[NIU]: Add Sun Neptune ethernet driver.

With cleanup suggestions and bugs spotted by Stephen Hemminger,
Ingo Oeser, Matheos Worku, and Oliver Hartkopp.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 11169 insertions, 0 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 0e48b294200..9c635a237a9 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2594,6 +2594,13 @@ config NETXEN_NIC
         help
           This enables the support for NetXen's Gigabit Ethernet card.
 
+config NIU
+        tristate "Sun Neptune 10Gbit Ethernet support"
+        depends on PCI
+        help
+          This enables support for cards based upon Sun's
+          Neptune chipset.
+
 config PASEMI_MAC
         tristate "PA Semi 1/10Gbit MAC"
         depends on PPC64 && PCI
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index eb5c655e26d..d2e0f35da42 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -241,3 +241,4 @@ obj-$(CONFIG_NETCONSOLE) += netconsole.o
 obj-$(CONFIG_FS_ENET) += fs_enet/
 
 obj-$(CONFIG_NETXEN_NIC) += netxen/
+obj-$(CONFIG_NIU) += niu.o
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
new file mode 100644
index 00000000000..43bfe7e6b6f
--- /dev/null
+++ b/drivers/net/niu.c
@@ -0,0 +1,7939 @@
+/* niu.c: Neptune ethernet driver.
+ *
+ * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <linux/mii.h>
+#include <linux/if_ether.h>
+#include <linux/if_vlan.h>
+#include <linux/ip.h>
+#include <linux/in.h>
+#include <linux/ipv6.h>
+#include <linux/log2.h>
+#include <linux/jiffies.h>
+#include <linux/crc32.h>
+
+#include <linux/io.h>
+
+#ifdef CONFIG_SPARC64
+#include <linux/of_device.h>
+#endif
+
+#include "niu.h"
+
+#define DRV_MODULE_NAME         "niu"
+#define PFX DRV_MODULE_NAME     ": "
+#define DRV_MODULE_VERSION      "0.5"
+#define DRV_MODULE_RELDATE      "October 5, 2007"
+
+static char version[] __devinitdata =
+        DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
+MODULE_DESCRIPTION("NIU ethernet driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+
+#ifndef DMA_44BIT_MASK
+#define DMA_44BIT_MASK  0x00000fffffffffffULL
+#endif
+
+#ifndef readq
+static u64 readq(void __iomem *reg)
+{
+        return (((u64)readl(reg + 0x4UL) << 32) |
+                (u64)readl(reg));
+}
+
+static void writeq(u64 val, void __iomem *reg)
+{
+        writel(val & 0xffffffff, reg);
+        writel(val >> 32, reg + 0x4UL);
+}
+#endif
+
+static struct pci_device_id niu_pci_tbl[] = {
+        {PCI_DEVICE(PCI_VENDOR_ID_SUN, 0xabcd)},
+        {}
+};
+
+MODULE_DEVICE_TABLE(pci, niu_pci_tbl);
+
+#define NIU_TX_TIMEOUT                  (5 * HZ)
+
+#define nr64(reg)               readq(np->regs + (reg))
+#define nw64(reg, val)          writeq((val), np->regs + (reg))
+
+#define nr64_mac(reg)           readq(np->mac_regs + (reg))
+#define nw64_mac(reg, val)      writeq((val), np->mac_regs + (reg))
+
+#define nr64_ipp(reg)           readq(np->regs + np->ipp_off + (reg))
+#define nw64_ipp(reg, val)      writeq((val), np->regs + np->ipp_off + (reg))
+
+#define nr64_pcs(reg)           readq(np->regs + np->pcs_off + (reg))
+#define nw64_pcs(reg, val)      writeq((val), np->regs + np->pcs_off + (reg))
+
+#define nr64_xpcs(reg)          readq(np->regs + np->xpcs_off + (reg))
+#define nw64_xpcs(reg, val)     writeq((val), np->regs + np->xpcs_off + (reg))
+
+#define NIU_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
+
+static int niu_debug;
+static int debug = -1;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "NIU debug level");
+
+#define niudbg(TYPE, f, a...) \
+do {    if ((np)->msg_enable & NETIF_MSG_##TYPE) \
+                printk(KERN_DEBUG PFX f, ## a); \
+} while (0)
+
+#define niuinfo(TYPE, f, a...) \
+do {    if ((np)->msg_enable & NETIF_MSG_##TYPE) \
+                printk(KERN_INFO PFX f, ## a); \
+} while (0)
+
+#define niuwarn(TYPE, f, a...) \
+do {    if ((np)->msg_enable & NETIF_MSG_##TYPE) \
+                printk(KERN_WARNING PFX f, ## a); \
+} while (0)
+
+#define niu_lock_parent(np, flags) \
+        spin_lock_irqsave(&np->parent->lock, flags)
+#define niu_unlock_parent(np, flags) \
+        spin_unlock_irqrestore(&np->parent->lock, flags)
+
+static int __niu_wait_bits_clear_mac(struct niu *np, unsigned long reg,
+                                     u64 bits, int limit, int delay)
+{
+        while (--limit >= 0) {
+                u64 val = nr64_mac(reg);
+
+                if (!(val & bits))
+                        break;
+                udelay(delay);
+        }
+        if (limit < 0)
+                return -ENODEV;
+        return 0;
+}
+
+static int __niu_set_and_wait_clear_mac(struct niu *np, unsigned long reg,
+                                        u64 bits, int limit, int delay,
+                                        const char *reg_name)
+{
+        int err;
+
+        nw64_mac(reg, bits);
+        err = __niu_wait_bits_clear_mac(np, reg, bits, limit, delay);
+        if (err)
+                dev_err(np->device, PFX "%s: bits (%llx) of register %s "
+                        "would not clear, val[%llx]\n",
+                        np->dev->name, (unsigned long long) bits, reg_name,
+                        (unsigned long long) nr64_mac(reg));
+        return err;
+}
+
+#define niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \
+({      BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \
+        __niu_set_and_wait_clear_mac(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \
+})
+
+static int __niu_wait_bits_clear_ipp(struct niu *np, unsigned long reg,
+                                     u64 bits, int limit, int delay)
+{
+        while (--limit >= 0) {
+                u64 val = nr64_ipp(reg);
+
+                if (!(val & bits))
+                        break;
+                udelay(delay);
+        }
+        if (limit < 0)
+                return -ENODEV;
+        return 0;
+}
+
+static int __niu_set_and_wait_clear_ipp(struct niu *np, unsigned long reg,
+                                        u64 bits, int limit, int delay,
+                                        const char *reg_name)
+{
+        int err;
+        u64 val;
+
+        val = nr64_ipp(reg);
+        val |= bits;
+        nw64_ipp(reg, val);
+
+        err = __niu_wait_bits_clear_ipp(np, reg, bits, limit, delay);
+        if (err)
+                dev_err(np->device, PFX "%s: bits (%llx) of register %s "
+                        "would not clear, val[%llx]\n",
+                        np->dev->name, (unsigned long long) bits, reg_name,
+                        (unsigned long long) nr64_ipp(reg));
+        return err;
+}
+
+#define niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \
+({      BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \
+        __niu_set_and_wait_clear_ipp(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \
+})
+
+static int __niu_wait_bits_clear(struct niu *np, unsigned long reg,
+                                 u64 bits, int limit, int delay)
+{
+        while (--limit >= 0) {
+                u64 val = nr64(reg);
+
+                if (!(val & bits))
+                        break;
+                udelay(delay);
+        }
+        if (limit < 0)
+                return -ENODEV;
+        return 0;
+}
+
+#define niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY) \
+({      BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \
+        __niu_wait_bits_clear(NP, REG, BITS, LIMIT, DELAY); \
+})
+
+static int __niu_set_and_wait_clear(struct niu *np, unsigned long reg,
+                                    u64 bits, int limit, int delay,
+                                    const char *reg_name)
+{
+        int err;
+
+        nw64(reg, bits);
+        err = __niu_wait_bits_clear(np, reg, bits, limit, delay);
+        if (err)
+                dev_err(np->device, PFX "%s: bits (%llx) of register %s "
+                        "would not clear, val[%llx]\n",
+                        np->dev->name, (unsigned long long) bits, reg_name,
+                        (unsigned long long) nr64(reg));
+        return err;
+}
+
+#define niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME) \
+({      BUILD_BUG_ON(LIMIT <= 0 || DELAY < 0); \
+        __niu_set_and_wait_clear(NP, REG, BITS, LIMIT, DELAY, REG_NAME); \
+})
+
+static void niu_ldg_rearm(struct niu *np, struct niu_ldg *lp, int on)
+{
+        u64 val = (u64) lp->timer;
+
+        if (on)
+                val |= LDG_IMGMT_ARM;
+
+        nw64(LDG_IMGMT(lp->ldg_num), val);
+}
+
+static int niu_ldn_irq_enable(struct niu *np, int ldn, int on)
+{
+        unsigned long mask_reg, bits;
+        u64 val;
+
+        if (ldn < 0 || ldn > LDN_MAX)
+                return -EINVAL;
+
+        if (ldn < 64) {
+                mask_reg = LD_IM0(ldn);
+                bits = LD_IM0_MASK;
+        } else {
+                mask_reg = LD_IM1(ldn - 64);
+                bits = LD_IM1_MASK;
+        }
+
+        val = nr64(mask_reg);
+        if (on)
+                val &= ~bits;
+        else
+                val |= bits;
+        nw64(mask_reg, val);
+
+        return 0;
+}
+
+static int niu_enable_ldn_in_ldg(struct niu *np, struct niu_ldg *lp, int on)
+{
+        struct niu_parent *parent = np->parent;
+        int i;
+
+        for (i = 0; i <= LDN_MAX; i++) {
+                int err;
+
+                if (parent->ldg_map[i] != lp->ldg_num)
+                        continue;
+
+                err = niu_ldn_irq_enable(np, i, on);
+                if (err)
+                        return err;
+        }
+        return 0;
+}
+
+static int niu_enable_interrupts(struct niu *np, int on)
+{
+        int i;
+
+        for (i = 0; i < np->num_ldg; i++) {
+                struct niu_ldg *lp = &np->ldg[i];
+                int err;
+
+                err = niu_enable_ldn_in_ldg(np, lp, on);
+                if (err)
+                        return err;
+        }
+        for (i = 0; i < np->num_ldg; i++)
+                niu_ldg_rearm(np, &np->ldg[i], on);
+
+        return 0;
+}
+
+static u32 phy_encode(u32 type, int port)
+{
+        return (type << (port * 2));
+}
+
+static u32 phy_decode(u32 val, int port)
+{
+        return (val >> (port * 2)) & PORT_TYPE_MASK;
+}
+
+static int mdio_wait(struct niu *np)
+{
+        int limit = 1000;
+        u64 val;
+
+        while (--limit > 0) {
+                val = nr64(MIF_FRAME_OUTPUT);
+                if ((val >> MIF_FRAME_OUTPUT_TA_SHIFT) & 0x1)
+                        return val & MIF_FRAME_OUTPUT_DATA;
+
+                udelay(10);
+        }
+
+        return -ENODEV;
+}
+
+static int mdio_read(struct niu *np, int port, int dev, int reg)
+{
+        int err;
+
+        nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg));
+        err = mdio_wait(np);
+        if (err < 0)
+                return err;
+
+        nw64(MIF_FRAME_OUTPUT, MDIO_READ_OP(port, dev));
+        return mdio_wait(np);
+}
+
+static int mdio_write(struct niu *np, int port, int dev, int reg, int data)
+{
+        int err;
+
+        nw64(MIF_FRAME_OUTPUT, MDIO_ADDR_OP(port, dev, reg));
+        err = mdio_wait(np);
+        if (err < 0)
+                return err;
+
+        nw64(MIF_FRAME_OUTPUT, MDIO_WRITE_OP(port, dev, data));
+        err = mdio_wait(np);
+        if (err < 0)
+                return err;
+
+        return 0;
+}
+
+static int mii_read(struct niu *np, int port, int reg)
+{
+        nw64(MIF_FRAME_OUTPUT, MII_READ_OP(port, reg));
+        return mdio_wait(np);
+}
+
+static int mii_write(struct niu *np, int port, int reg, int data)
+{
+        int err;
+
+        nw64(MIF_FRAME_OUTPUT, MII_WRITE_OP(port, reg, data));
+        err = mdio_wait(np);
+        if (err < 0)
+                return err;
+
+        return 0;
+}
+
+static int esr2_set_tx_cfg(struct niu *np, unsigned long channel, u32 val)
+{
+        int err;
+
+        err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR,
+                         ESR2_TI_PLL_TX_CFG_L(channel),
+                         val & 0xffff);
+        if (!err)
+                err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR,
+                                 ESR2_TI_PLL_TX_CFG_H(channel),
+                                 val >> 16);
+        return err;
+}
+
+static int esr2_set_rx_cfg(struct niu *np, unsigned long channel, u32 val)
+{
+        int err;
+
+        err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR,
+                         ESR2_TI_PLL_RX_CFG_L(channel),
+                         val & 0xffff);
+        if (!err)
+                err = mdio_write(np, np->port, NIU_ESR2_DEV_ADDR,
+                                 ESR2_TI_PLL_RX_CFG_H(channel),
+                                 val >> 16);
+        return err;
+}
+
+/* Mode is always 10G fiber.  */
+static int serdes_init_niu(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u32 tx_cfg, rx_cfg;
+        unsigned long i;
+
+        tx_cfg = (PLL_TX_CFG_ENTX | PLL_TX_CFG_SWING_1375MV);
+        rx_cfg = (PLL_RX_CFG_ENRX | PLL_RX_CFG_TERM_0P8VDDT |
+                  PLL_RX_CFG_ALIGN_ENA | PLL_RX_CFG_LOS_LTHRESH |
+                  PLL_RX_CFG_EQ_LP_ADAPTIVE);
+
+        if (lp->loopback_mode == LOOPBACK_PHY) {
+                u16 test_cfg = PLL_TEST_CFG_LOOPBACK_CML_DIS;
+
+                mdio_write(np, np->port, NIU_ESR2_DEV_ADDR,
+                           ESR2_TI_PLL_TEST_CFG_L, test_cfg);
+
+                tx_cfg |= PLL_TX_CFG_ENTEST;
+                rx_cfg |= PLL_RX_CFG_ENTEST;
+        }
+
+        /* Initialize all 4 lanes of the SERDES.  */
+        for (i = 0; i < 4; i++) {
+                int err = esr2_set_tx_cfg(np, i, tx_cfg);
+                if (err)
+                        return err;
+        }
+
+        for (i = 0; i < 4; i++) {
+                int err = esr2_set_rx_cfg(np, i, rx_cfg);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}
+
+static int esr_read_rxtx_ctrl(struct niu *np, unsigned long chan, u32 *val)
+{
+        int err;
+
+        err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR, ESR_RXTX_CTRL_L(chan));
+        if (err >= 0) {
+                *val = (err & 0xffff);
+                err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
+                                ESR_RXTX_CTRL_H(chan));
+                if (err >= 0)
+                        *val |= ((err & 0xffff) << 16);
+                err = 0;
+        }
+        return err;
+}
+
+static int esr_read_glue0(struct niu *np, unsigned long chan, u32 *val)
+{
+        int err;
+
+        err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
+                        ESR_GLUE_CTRL0_L(chan));
+        if (err >= 0) {
+                *val = (err & 0xffff);
+                err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
+                                ESR_GLUE_CTRL0_H(chan));
+                if (err >= 0) {
+                        *val |= ((err & 0xffff) << 16);
+                        err = 0;
+                }
+        }
+        return err;
+}
+
+static int esr_read_reset(struct niu *np, u32 *val)
+{
+        int err;
+
+        err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
+                        ESR_RXTX_RESET_CTRL_L);
+        if (err >= 0) {
+                *val = (err & 0xffff);
+                err = mdio_read(np, np->port, NIU_ESR_DEV_ADDR,
+                                ESR_RXTX_RESET_CTRL_H);
+                if (err >= 0) {
+                        *val |= ((err & 0xffff) << 16);
+                        err = 0;
+                }
+        }
+        return err;
+}
+
+static int esr_write_rxtx_ctrl(struct niu *np, unsigned long chan, u32 val)
+{
+        int err;
+
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                         ESR_RXTX_CTRL_L(chan), val & 0xffff);
+        if (!err)
+                err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                                 ESR_RXTX_CTRL_H(chan), (val >> 16));
+        return err;
+}
+
+static int esr_write_glue0(struct niu *np, unsigned long chan, u32 val)
+{
+        int err;
+
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                        ESR_GLUE_CTRL0_L(chan), val & 0xffff);
+        if (!err)
+                err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                                 ESR_GLUE_CTRL0_H(chan), (val >> 16));
+        return err;
+}
+
+static int esr_reset(struct niu *np)
+{
+        u32 reset;
+        int err;
+
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                         ESR_RXTX_RESET_CTRL_L, 0x0000);
+        if (err)
+                return err;
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                         ESR_RXTX_RESET_CTRL_H, 0xffff);
+        if (err)
+                return err;
+        udelay(200);
+
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                         ESR_RXTX_RESET_CTRL_L, 0xffff);
+        if (err)
+                return err;
+        udelay(200);
+
+        err = mdio_write(np, np->port, NIU_ESR_DEV_ADDR,
+                         ESR_RXTX_RESET_CTRL_H, 0x0000);
+        if (err)
+                return err;
+        udelay(200);
+
+        err = esr_read_reset(np, &reset);
+        if (err)
+                return err;
+        if (reset != 0) {
+                dev_err(np->device, PFX "Port %u ESR_RESET "
+                        "did not clear [%08x]\n",
+                        np->port, reset);
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int serdes_init_10g(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        unsigned long ctrl_reg, test_cfg_reg, i;
+        u64 ctrl_val, test_cfg_val, sig, mask, val;
+        int err;
+
+        switch (np->port) {
+        case 0:
+                ctrl_reg = ENET_SERDES_0_CTRL_CFG;
+                test_cfg_reg = ENET_SERDES_0_TEST_CFG;
+                break;
+        case 1:
+                ctrl_reg = ENET_SERDES_1_CTRL_CFG;
+                test_cfg_reg = ENET_SERDES_1_TEST_CFG;
+                break;
+
+        default:
+                return -EINVAL;
+        }
+        ctrl_val = (ENET_SERDES_CTRL_SDET_0 |
+                    ENET_SERDES_CTRL_SDET_1 |
+                    ENET_SERDES_CTRL_SDET_2 |
+                    ENET_SERDES_CTRL_SDET_3 |
+                    (0x5 << ENET_SERDES_CTRL_EMPH_0_SHIFT) |
+                    (0x5 << ENET_SERDES_CTRL_EMPH_1_SHIFT) |
+                    (0x5 << ENET_SERDES_CTRL_EMPH_2_SHIFT) |
+                    (0x5 << ENET_SERDES_CTRL_EMPH_3_SHIFT) |
+                    (0x1 << ENET_SERDES_CTRL_LADJ_0_SHIFT) |
+                    (0x1 << ENET_SERDES_CTRL_LADJ_1_SHIFT) |
+                    (0x1 << ENET_SERDES_CTRL_LADJ_2_SHIFT) |
+                    (0x1 << ENET_SERDES_CTRL_LADJ_3_SHIFT));
+        test_cfg_val = 0;
+
+        if (lp->loopback_mode == LOOPBACK_PHY) {
+                test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK <<
+                                  ENET_SERDES_TEST_MD_0_SHIFT) |
+                                 (ENET_TEST_MD_PAD_LOOPBACK <<
+                                  ENET_SERDES_TEST_MD_1_SHIFT) |
+                                 (ENET_TEST_MD_PAD_LOOPBACK <<
+                                  ENET_SERDES_TEST_MD_2_SHIFT) |
+                                 (ENET_TEST_MD_PAD_LOOPBACK <<
+                                  ENET_SERDES_TEST_MD_3_SHIFT));
+        }
+
+        nw64(ctrl_reg, ctrl_val);
+        nw64(test_cfg_reg, test_cfg_val);
+
+        /* Initialize all 4 lanes of the SERDES.  */
+        for (i = 0; i < 4; i++) {
+                u32 rxtx_ctrl, glue0;
+
+                err = esr_read_rxtx_ctrl(np, i, &rxtx_ctrl);
+                if (err)
+                        return err;
+                err = esr_read_glue0(np, i, &glue0);
+                if (err)
+                        return err;
+
+                rxtx_ctrl &= ~(ESR_RXTX_CTRL_VMUXLO);
+                rxtx_ctrl |= (ESR_RXTX_CTRL_ENSTRETCH |
+                              (2 << ESR_RXTX_CTRL_VMUXLO_SHIFT));
+
+                glue0 &= ~(ESR_GLUE_CTRL0_SRATE |
+                           ESR_GLUE_CTRL0_THCNT |
+                           ESR_GLUE_CTRL0_BLTIME);
+                glue0 |= (ESR_GLUE_CTRL0_RXLOSENAB |
+                          (0xf << ESR_GLUE_CTRL0_SRATE_SHIFT) |
+                          (0xff << ESR_GLUE_CTRL0_THCNT_SHIFT) |
+                          (BLTIME_300_CYCLES <<
+                           ESR_GLUE_CTRL0_BLTIME_SHIFT));
+
+                err = esr_write_rxtx_ctrl(np, i, rxtx_ctrl);
+                if (err)
+                        return err;
+                err = esr_write_glue0(np, i, glue0);
+                if (err)
+                        return err;
+        }
+
+        err = esr_reset(np);
+        if (err)
+                return err;
+
+        sig = nr64(ESR_INT_SIGNALS);
+        switch (np->port) {
+        case 0:
+                mask = ESR_INT_SIGNALS_P0_BITS;
+                val = (ESR_INT_SRDY0_P0 |
+                       ESR_INT_DET0_P0 |
+                       ESR_INT_XSRDY_P0 |
+                       ESR_INT_XDP_P0_CH3 |
+                       ESR_INT_XDP_P0_CH2 |
+                       ESR_INT_XDP_P0_CH1 |
+                       ESR_INT_XDP_P0_CH0);
+                break;
+
+        case 1:
+                mask = ESR_INT_SIGNALS_P1_BITS;
+                val = (ESR_INT_SRDY0_P1 |
+                       ESR_INT_DET0_P1 |
+                       ESR_INT_XSRDY_P1 |
+                       ESR_INT_XDP_P1_CH3 |
+                       ESR_INT_XDP_P1_CH2 |
+                       ESR_INT_XDP_P1_CH1 |
+                       ESR_INT_XDP_P1_CH0);
+                break;
+
+        default:
+                return -EINVAL;
+        }
+
+        if ((sig & mask) != val) {
+                dev_err(np->device, PFX "Port %u signal bits [%08x] are not "
+                        "[%08x]\n", np->port, (int) (sig & mask), (int) val);
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int serdes_init_1g(struct niu *np)
+{
+        u64 val;
+
+        val = nr64(ENET_SERDES_1_PLL_CFG);
+        val &= ~ENET_SERDES_PLL_FBDIV2;
+        switch (np->port) {
+        case 0:
+                val |= ENET_SERDES_PLL_HRATE0;
+                break;
+        case 1:
+                val |= ENET_SERDES_PLL_HRATE1;
+                break;
+        case 2:
+                val |= ENET_SERDES_PLL_HRATE2;
+                break;
+        case 3:
+                val |= ENET_SERDES_PLL_HRATE3;
+                break;
+        default:
+                return -EINVAL;
+        }
+        nw64(ENET_SERDES_1_PLL_CFG, val);
+
+        return 0;
+}
+
+static int bcm8704_reset(struct niu *np)
+{
+        int err, limit;
+
+        err = mdio_read(np, np->phy_addr,
+                        BCM8704_PHYXS_DEV_ADDR, MII_BMCR);
+        if (err < 0)
+                return err;
+        err |= BMCR_RESET;
+        err = mdio_write(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR,
+                         MII_BMCR, err);
+        if (err)
+                return err;
+
+        limit = 1000;
+        while (--limit >= 0) {
+                err = mdio_read(np, np->phy_addr,
+                                BCM8704_PHYXS_DEV_ADDR, MII_BMCR);
+                if (err < 0)
+                        return err;
+                if (!(err & BMCR_RESET))
+                        break;
+        }
+        if (limit < 0) {
+                dev_err(np->device, PFX "Port %u PHY will not reset "
+                        "(bmcr=%04x)\n", np->port, (err & 0xffff));
+                return -ENODEV;
+        }
+        return 0;
+}
+
+/* When written, certain PHY registers need to be read back twice
+ * in order for the bits to settle properly.
+ */
+static int bcm8704_user_dev3_readback(struct niu *np, int reg)
+{
+        int err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg);
+        if (err < 0)
+                return err;
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, reg);
+        if (err < 0)
+                return err;
+        return 0;
+}
+
+static int bcm8704_init_user_dev3(struct niu *np)
+{
+        int err;
+
+        err = mdio_write(np, np->phy_addr,
+                         BCM8704_USER_DEV3_ADDR, BCM8704_USER_CONTROL,
+                         (USER_CONTROL_OPTXRST_LVL |
+                          USER_CONTROL_OPBIASFLT_LVL |
+                          USER_CONTROL_OBTMPFLT_LVL |
+                          USER_CONTROL_OPPRFLT_LVL |
+                          USER_CONTROL_OPTXFLT_LVL |
+                          USER_CONTROL_OPRXLOS_LVL |
+                          USER_CONTROL_OPRXFLT_LVL |
+                          USER_CONTROL_OPTXON_LVL |
+                          (0x3f << USER_CONTROL_RES1_SHIFT)));
+        if (err)
+                return err;
+
+        err = mdio_write(np, np->phy_addr,
+                         BCM8704_USER_DEV3_ADDR, BCM8704_USER_PMD_TX_CONTROL,
+                         (USER_PMD_TX_CTL_XFP_CLKEN |
+                          (1 << USER_PMD_TX_CTL_TX_DAC_TXD_SH) |
+                          (2 << USER_PMD_TX_CTL_TX_DAC_TXCK_SH) |
+                          USER_PMD_TX_CTL_TSCK_LPWREN));
+        if (err)
+                return err;
+
+        err = bcm8704_user_dev3_readback(np, BCM8704_USER_CONTROL);
+        if (err)
+                return err;
+        err = bcm8704_user_dev3_readback(np, BCM8704_USER_PMD_TX_CONTROL);
+        if (err)
+                return err;
+
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                        BCM8704_USER_OPT_DIGITAL_CTRL);
+        if (err < 0)
+                return err;
+        err &= ~USER_ODIG_CTRL_GPIOS;
+        err |= (0x3 << USER_ODIG_CTRL_GPIOS_SHIFT);
+        err = mdio_write(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                         BCM8704_USER_OPT_DIGITAL_CTRL, err);
+        if (err)
+                return err;
+
+        mdelay(1000);
+
+        return 0;
+}
+
+static int xcvr_init_10g(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u16 analog_stat0, tx_alarm_status;
+        int err;
+        u64 val;
+
+        val = nr64_mac(XMAC_CONFIG);
+        val &= ~XMAC_CONFIG_LED_POLARITY;
+        val |= XMAC_CONFIG_FORCE_LED_ON;
+        nw64_mac(XMAC_CONFIG, val);
+
+        /* XXX shared resource, lock parent XXX */
+        val = nr64(MIF_CONFIG);
+        val |= MIF_CONFIG_INDIRECT_MODE;
+        nw64(MIF_CONFIG, val);
+
+        err = bcm8704_reset(np);
+        if (err)
+                return err;
+
+        err = bcm8704_init_user_dev3(np);
+        if (err)
+                return err;
+
+        err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR,
+                        MII_BMCR);
+        if (err < 0)
+                return err;
+        err &= ~BMCR_LOOPBACK;
+
+        if (lp->loopback_mode == LOOPBACK_MAC)
+                err |= BMCR_LOOPBACK;
+
+        err = mdio_write(np, np->phy_addr, BCM8704_PCS_DEV_ADDR,
+                         MII_BMCR, err);
+        if (err)
+                return err;
+
+#if 1
+        err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR,
+                        MII_STAT1000);
+        if (err < 0)
+                return err;
+        pr_info(PFX "Port %u PMA_PMD(MII_STAT1000) [%04x]\n",
+                np->port, err);
+
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR, 0x20);
+        if (err < 0)
+                return err;
+        pr_info(PFX "Port %u USER_DEV3(0x20) [%04x]\n",
+                np->port, err);
+
+        err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR,
+                        MII_NWAYTEST);
+        if (err < 0)
+                return err;
+        pr_info(PFX "Port %u PHYXS(MII_NWAYTEST) [%04x]\n",
+                np->port, err);
+#endif
+
+        /* XXX dig this out it might not be so useful XXX */
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                        BCM8704_USER_ANALOG_STATUS0);
+        if (err < 0)
+                return err;
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                        BCM8704_USER_ANALOG_STATUS0);
+        if (err < 0)
+                return err;
+        analog_stat0 = err;
+
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                        BCM8704_USER_TX_ALARM_STATUS);
+        if (err < 0)
+                return err;
+        err = mdio_read(np, np->phy_addr, BCM8704_USER_DEV3_ADDR,
+                        BCM8704_USER_TX_ALARM_STATUS);
+        if (err < 0)
+                return err;
+        tx_alarm_status = err;
+
+        if (analog_stat0 != 0x03fc) {
+                if ((analog_stat0 == 0x43bc) && (tx_alarm_status != 0)) {
+                        pr_info(PFX "Port %u cable not connected "
+                                "or bad cable.\n", np->port);
+                } else if (analog_stat0 == 0x639c) {
+                        pr_info(PFX "Port %u optical module is bad "
+                                "or missing.\n", np->port);
+                }
+        }
+
+        return 0;
+}
+
+static int mii_reset(struct niu *np)
+{
+        int limit, err;
+
+        err = mii_write(np, np->phy_addr, MII_BMCR, BMCR_RESET);
+        if (err)
+                return err;
+
+        limit = 1000;
+        while (--limit >= 0) {
+                udelay(500);
+                err = mii_read(np, np->phy_addr, MII_BMCR);
+                if (err < 0)
+                        return err;
+                if (!(err & BMCR_RESET))
+                        break;
+        }
+        if (limit < 0) {
+                dev_err(np->device, PFX "Port %u MII would not reset, "
+                        "bmcr[%04x]\n", np->port, err);
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int mii_init_common(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u16 bmcr, bmsr, adv, estat;
+        int err;
+
+        err = mii_reset(np);
+        if (err)
+                return err;
+
+        err = mii_read(np, np->phy_addr, MII_BMSR);
+        if (err < 0)
+                return err;
+        bmsr = err;
+
+        estat = 0;
+        if (bmsr & BMSR_ESTATEN) {
+                err = mii_read(np, np->phy_addr, MII_ESTATUS);
+                if (err < 0)
+                        return err;
+                estat = err;
+        }
+
+        bmcr = 0;
+        err = mii_write(np, np->phy_addr, MII_BMCR, bmcr);
+        if (err)
+                return err;
+
+        if (lp->loopback_mode == LOOPBACK_MAC) {
+                bmcr |= BMCR_LOOPBACK;
+                if (lp->active_speed == SPEED_1000)
+                        bmcr |= BMCR_SPEED1000;
+                if (lp->active_duplex == DUPLEX_FULL)
+                        bmcr |= BMCR_FULLDPLX;
+        }
+
+        if (lp->loopback_mode == LOOPBACK_PHY) {
+                u16 aux;
+
+                aux = (BCM5464R_AUX_CTL_EXT_LB |
+                       BCM5464R_AUX_CTL_WRITE_1);
+                err = mii_write(np, np->phy_addr, BCM5464R_AUX_CTL, aux);
+                if (err)
+                        return err;
+        }
+
+        /* XXX configurable XXX */
+        /* XXX for now don't advertise half-duplex or asym pause... XXX */
+        adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP;
+        if (bmsr & BMSR_10FULL)
+                adv |= ADVERTISE_10FULL;
+        if (bmsr & BMSR_100FULL)
+                adv |= ADVERTISE_100FULL;
+        err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv);
+        if (err)
+                return err;
+
+        if (bmsr & BMSR_ESTATEN) {
+                u16 ctrl1000 = 0;
+
+                if (estat & ESTATUS_1000_TFULL)
+                        ctrl1000 |= ADVERTISE_1000FULL;
+                err = mii_write(np, np->phy_addr, MII_CTRL1000, ctrl1000);
+                if (err)
+                        return err;
+        }
+        bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
+
+        err = mii_write(np, np->phy_addr, MII_BMCR, bmcr);
+        if (err)
+                return err;
+
+        err = mii_read(np, np->phy_addr, MII_BMCR);
+        if (err < 0)
+                return err;
+        err = mii_read(np, np->phy_addr, MII_BMSR);
+        if (err < 0)
+                return err;
+#if 0
+        pr_info(PFX "Port %u after MII init bmcr[%04x] bmsr[%04x]\n",
+                np->port, bmcr, bmsr);
+#endif
+
+        return 0;
+}
+
+static int xcvr_init_1g(struct niu *np)
+{
+        u64 val;
+
+        /* XXX shared resource, lock parent XXX */
+        val = nr64(MIF_CONFIG);
+        val &= ~MIF_CONFIG_INDIRECT_MODE;
+        nw64(MIF_CONFIG, val);
+
+        return mii_init_common(np);
+}
+
+static int niu_xcvr_init(struct niu *np)
+{
+        const struct niu_phy_ops *ops = np->phy_ops;
+        int err;
+
+        err = 0;
+        if (ops->xcvr_init)
+                err = ops->xcvr_init(np);
+
+        return err;
+}
+
+static int niu_serdes_init(struct niu *np)
+{
+        const struct niu_phy_ops *ops = np->phy_ops;
+        int err;
+
+        err = 0;
+        if (ops->serdes_init)
+                err = ops->serdes_init(np);
+
+        return err;
+}
+
+static void niu_init_xif(struct niu *);
+
+static int niu_link_status_common(struct niu *np, int link_up)
+{
+        struct niu_link_config *lp = &np->link_config;
+        struct net_device *dev = np->dev;
+        unsigned long flags;
+
+        if (!netif_carrier_ok(dev) && link_up) {
+                niuinfo(LINK, "%s: Link is up at %s, %s duplex\n",
+                       dev->name,
+                       (lp->active_speed == SPEED_10000 ?
+                        "10Gb/sec" :
+                        (lp->active_speed == SPEED_1000 ?
+                         "1Gb/sec" :
+                         (lp->active_speed == SPEED_100 ?
+                          "100Mbit/sec" : "10Mbit/sec"))),
+                       (lp->active_duplex == DUPLEX_FULL ?
+                        "full" : "half"));
+
+                spin_lock_irqsave(&np->lock, flags);
+                niu_init_xif(np);
+                spin_unlock_irqrestore(&np->lock, flags);
+
+                netif_carrier_on(dev);
+        } else if (netif_carrier_ok(dev) && !link_up) {
+                niuwarn(LINK, "%s: Link is down\n", dev->name);
+                netif_carrier_off(dev);
+        }
+
+        return 0;
+}
+
+static int link_status_10g(struct niu *np, int *link_up_p)
+{
+        unsigned long flags;
+        int err, link_up;
+
+        link_up = 0;
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        err = -EINVAL;
+        if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+                goto out;
+
+        err = mdio_read(np, np->phy_addr, BCM8704_PMA_PMD_DEV_ADDR,
+                        BCM8704_PMD_RCV_SIGDET);
+        if (err < 0)
+                goto out;
+        if (!(err & PMD_RCV_SIGDET_GLOBAL)) {
+                err = 0;
+                goto out;
+        }
+
+        err = mdio_read(np, np->phy_addr, BCM8704_PCS_DEV_ADDR,
+                        BCM8704_PCS_10G_R_STATUS);
+        if (err < 0)
+                goto out;
+        if (!(err & PCS_10G_R_STATUS_BLK_LOCK)) {
+                err = 0;
+                goto out;
+        }
+
+        err = mdio_read(np, np->phy_addr, BCM8704_PHYXS_DEV_ADDR,
+                        BCM8704_PHYXS_XGXS_LANE_STAT);
+        if (err < 0)
+                goto out;
+
+        if (err != (PHYXS_XGXS_LANE_STAT_ALINGED |
+                    PHYXS_XGXS_LANE_STAT_MAGIC |
+                    PHYXS_XGXS_LANE_STAT_LANE3 |
+                    PHYXS_XGXS_LANE_STAT_LANE2 |
+                    PHYXS_XGXS_LANE_STAT_LANE1 |
+                    PHYXS_XGXS_LANE_STAT_LANE0)) {
+                err = 0;
+                goto out;
+        }
+
+        link_up = 1;
+        np->link_config.active_speed = SPEED_10000;
+        np->link_config.active_duplex = DUPLEX_FULL;
+        err = 0;
+
+out:
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        *link_up_p = link_up;
+        return err;
+}
+
+static int link_status_1g(struct niu *np, int *link_up_p)
+{
+        u16 current_speed, bmsr;
+        unsigned long flags;
+        u8 current_duplex;
+        int err, link_up;
+
+        link_up = 0;
+        current_speed = SPEED_INVALID;
+        current_duplex = DUPLEX_INVALID;
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        err = -EINVAL;
+        if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+                goto out;
+
+        err = mii_read(np, np->phy_addr, MII_BMSR);
+        if (err < 0)
+                goto out;
+
+        bmsr = err;
+        if (bmsr & BMSR_LSTATUS) {
+                u16 adv, lpa, common, estat;
+
+                err = mii_read(np, np->phy_addr, MII_ADVERTISE);
+                if (err < 0)
+                        goto out;
+                adv = err;
+
+                err = mii_read(np, np->phy_addr, MII_LPA);
+                if (err < 0)
+                        goto out;
+                lpa = err;
+
+                common = adv & lpa;
+
+                err = mii_read(np, np->phy_addr, MII_ESTATUS);
+                if (err < 0)
+                        goto out;
+                estat = err;
+
+                link_up = 1;
+                if (estat & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF)) {
+                        current_speed = SPEED_1000;
+                        if (estat & ESTATUS_1000_TFULL)
+                                current_duplex = DUPLEX_FULL;
+                        else
+                                current_duplex = DUPLEX_HALF;
+                } else {
+                        if (common & ADVERTISE_100BASE4) {
+                                current_speed = SPEED_100;
+                                current_duplex = DUPLEX_HALF;
+                        } else if (common & ADVERTISE_100FULL) {
+                                current_speed = SPEED_100;
+                                current_duplex = DUPLEX_FULL;
+                        } else if (common & ADVERTISE_100HALF) {
+                                current_speed = SPEED_100;
+                                current_duplex = DUPLEX_HALF;
+                        } else if (common & ADVERTISE_10FULL) {
+                                current_speed = SPEED_10;
+                                current_duplex = DUPLEX_FULL;
+                        } else if (common & ADVERTISE_10HALF) {
+                                current_speed = SPEED_10;
+                                current_duplex = DUPLEX_HALF;
+                        } else
+                                link_up = 0;
+                }
+        }
+        err = 0;
+
+out:
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        *link_up_p = link_up;
+        return err;
+}
+
+static int niu_link_status(struct niu *np, int *link_up_p)
+{
+        const struct niu_phy_ops *ops = np->phy_ops;
+        int err;
+
+        err = 0;
+        if (ops->link_status)
+                err = ops->link_status(np, link_up_p);
+
+        return err;
+}
+
+static void niu_timer(unsigned long __opaque)
+{
+        struct niu *np = (struct niu *) __opaque;
+        unsigned long off;
+        int err, link_up;
+
+        err = niu_link_status(np, &link_up);
+        if (!err)
+                niu_link_status_common(np, link_up);
+
+        if (netif_carrier_ok(np->dev))
+                off = 5 * HZ;
+        else
+                off = 1 * HZ;
+        np->timer.expires = jiffies + off;
+
+        add_timer(&np->timer);
+}
+
+static const struct niu_phy_ops phy_ops_10g_fiber_niu = {
+        .serdes_init            = serdes_init_niu,
+        .xcvr_init              = xcvr_init_10g,
+        .link_status            = link_status_10g,
+};
+
+static const struct niu_phy_ops phy_ops_10g_fiber = {
+        .serdes_init            = serdes_init_10g,
+        .xcvr_init              = xcvr_init_10g,
+        .link_status            = link_status_10g,
+};
+
+static const struct niu_phy_ops phy_ops_10g_copper = {
+        .serdes_init            = serdes_init_10g,
+        .link_status            = link_status_10g, /* XXX */
+};
+
+static const struct niu_phy_ops phy_ops_1g_fiber = {
+        .serdes_init            = serdes_init_1g,
+        .xcvr_init              = xcvr_init_1g,
+        .link_status            = link_status_1g,
+};
+
+static const struct niu_phy_ops phy_ops_1g_copper = {
+        .xcvr_init              = xcvr_init_1g,
+        .link_status            = link_status_1g,
+};
+
+struct niu_phy_template {
+        const struct niu_phy_ops        *ops;
+        u32                             phy_addr_base;
+};
+
+static const struct niu_phy_template phy_template_niu = {
+        .ops            = &phy_ops_10g_fiber_niu,
+        .phy_addr_base  = 16,
+};
+
+static const struct niu_phy_template phy_template_10g_fiber = {
+        .ops            = &phy_ops_10g_fiber,
+        .phy_addr_base  = 8,
+};
+
+static const struct niu_phy_template phy_template_10g_copper = {
+        .ops            = &phy_ops_10g_copper,
+        .phy_addr_base  = 10,
+};
+
+static const struct niu_phy_template phy_template_1g_fiber = {
+        .ops            = &phy_ops_1g_fiber,
+        .phy_addr_base  = 0,
+};
+
+static const struct niu_phy_template phy_template_1g_copper = {
+        .ops            = &phy_ops_1g_copper,
+        .phy_addr_base  = 0,
+};
+
+static int niu_determine_phy_disposition(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        u8 plat_type = parent->plat_type;
+        const struct niu_phy_template *tp;
+        u32 phy_addr_off = 0;
+
+        if (plat_type == PLAT_TYPE_NIU) {
+                tp = &phy_template_niu;
+                phy_addr_off += np->port;
+        } else {
+                switch (np->flags & (NIU_FLAGS_10G | NIU_FLAGS_FIBER)) {
+                case 0:
+                        /* 1G copper */
+                        tp = &phy_template_1g_copper;
+                        if (plat_type == PLAT_TYPE_VF_P0)
+                                phy_addr_off = 10;
+                        else if (plat_type == PLAT_TYPE_VF_P1)
+                                phy_addr_off = 26;
+
+                        phy_addr_off += (np->port ^ 0x3);
+                        break;
+
+                case NIU_FLAGS_10G:
+                        /* 10G copper */
+                        tp = &phy_template_1g_copper;
+                        break;
+
+                case NIU_FLAGS_FIBER:
+                        /* 1G fiber */
+                        tp = &phy_template_1g_fiber;
+                        break;
+
+                case NIU_FLAGS_10G | NIU_FLAGS_FIBER:
+                        /* 10G fiber */
+                        tp = &phy_template_10g_fiber;
+                        if (plat_type == PLAT_TYPE_VF_P0 ||
+                            plat_type == PLAT_TYPE_VF_P1)
+                                phy_addr_off = 8;
+                        phy_addr_off += np->port;
+                        break;
+
+                default:
+                        return -EINVAL;
+                }
+        }
+
+        np->phy_ops = tp->ops;
+        np->phy_addr = tp->phy_addr_base + phy_addr_off;
+
+        return 0;
+}
+
+static int niu_init_link(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        int err, ignore;
+
+        if (parent->plat_type == PLAT_TYPE_NIU) {
+                err = niu_xcvr_init(np);
+                if (err)
+                        return err;
+                msleep(200);
+        }
+        err = niu_serdes_init(np);
+        if (err)
+                return err;
+        msleep(200);
+        err = niu_xcvr_init(np);
+        if (!err)
+                niu_link_status(np, &ignore);
+        return 0;
+}
+
+static void niu_set_primary_mac(struct niu *np, unsigned char *addr)
+{
+        u16 reg0 = addr[4] << 8 | addr[5];
+        u16 reg1 = addr[2] << 8 | addr[3];
+        u16 reg2 = addr[0] << 8 | addr[1];
+
+        if (np->flags & NIU_FLAGS_XMAC) {
+                nw64_mac(XMAC_ADDR0, reg0);
+                nw64_mac(XMAC_ADDR1, reg1);
+                nw64_mac(XMAC_ADDR2, reg2);
+        } else {
+                nw64_mac(BMAC_ADDR0, reg0);
+                nw64_mac(BMAC_ADDR1, reg1);
+                nw64_mac(BMAC_ADDR2, reg2);
+        }
+}
+
+static int niu_num_alt_addr(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                return XMAC_NUM_ALT_ADDR;
+        else
+                return BMAC_NUM_ALT_ADDR;
+}
+
+static int niu_set_alt_mac(struct niu *np, int index, unsigned char *addr)
+{
+        u16 reg0 = addr[4] << 8 | addr[5];
+        u16 reg1 = addr[2] << 8 | addr[3];
+        u16 reg2 = addr[0] << 8 | addr[1];
+
+        if (index >= niu_num_alt_addr(np))
+                return -EINVAL;
+
+        if (np->flags & NIU_FLAGS_XMAC) {
+                nw64_mac(XMAC_ALT_ADDR0(index), reg0);
+                nw64_mac(XMAC_ALT_ADDR1(index), reg1);
+                nw64_mac(XMAC_ALT_ADDR2(index), reg2);
+        } else {
+                nw64_mac(BMAC_ALT_ADDR0(index), reg0);
+                nw64_mac(BMAC_ALT_ADDR1(index), reg1);
+                nw64_mac(BMAC_ALT_ADDR2(index), reg2);
+        }
+
+        return 0;
+}
+
+static int niu_enable_alt_mac(struct niu *np, int index, int on)
+{
+        unsigned long reg;
+        u64 val, mask;
+
+        if (index >= niu_num_alt_addr(np))
+                return -EINVAL;
+
+        if (np->flags & NIU_FLAGS_XMAC)
+                reg = XMAC_ADDR_CMPEN;
+        else
+                reg = BMAC_ADDR_CMPEN;
+
+        mask = 1 << index;
+
+        val = nr64_mac(reg);
+        if (on)
+                val |= mask;
+        else
+                val &= ~mask;
+        nw64_mac(reg, val);
+
+        return 0;
+}
+
+static void __set_rdc_table_num_hw(struct niu *np, unsigned long reg,
+                                   int num, int mac_pref)
+{
+        u64 val = nr64_mac(reg);
+        val &= ~(HOST_INFO_MACRDCTBLN | HOST_INFO_MPR);
+        val |= num;
+        if (mac_pref)
+                val |= HOST_INFO_MPR;
+        nw64_mac(reg, val);
+}
+
+static int __set_rdc_table_num(struct niu *np,
+                               int xmac_index, int bmac_index,
+                               int rdc_table_num, int mac_pref)
+{
+        unsigned long reg;
+
+        if (rdc_table_num & ~HOST_INFO_MACRDCTBLN)
+                return -EINVAL;
+        if (np->flags & NIU_FLAGS_XMAC)
+                reg = XMAC_HOST_INFO(xmac_index);
+        else
+                reg = BMAC_HOST_INFO(bmac_index);
+        __set_rdc_table_num_hw(np, reg, rdc_table_num, mac_pref);
+        return 0;
+}
+
+static int niu_set_primary_mac_rdc_table(struct niu *np, int table_num,
+                                         int mac_pref)
+{
+        return __set_rdc_table_num(np, 17, 0, table_num, mac_pref);
+}
+
+static int niu_set_multicast_mac_rdc_table(struct niu *np, int table_num,
+                                           int mac_pref)
+{
+        return __set_rdc_table_num(np, 16, 8, table_num, mac_pref);
+}
+
+static int niu_set_alt_mac_rdc_table(struct niu *np, int idx,
+                                     int table_num, int mac_pref)
+{
+        if (idx >= niu_num_alt_addr(np))
+                return -EINVAL;
+        return __set_rdc_table_num(np, idx, idx + 1, table_num, mac_pref);
+}
+
+static u64 vlan_entry_set_parity(u64 reg_val)
+{
+        u64 port01_mask;
+        u64 port23_mask;
+
+        port01_mask = 0x00ff;
+        port23_mask = 0xff00;
+
+        if (hweight64(reg_val & port01_mask) & 1)
+                reg_val |= ENET_VLAN_TBL_PARITY0;
+        else
+                reg_val &= ~ENET_VLAN_TBL_PARITY0;
+
+        if (hweight64(reg_val & port23_mask) & 1)
+                reg_val |= ENET_VLAN_TBL_PARITY1;
+        else
+                reg_val &= ~ENET_VLAN_TBL_PARITY1;
+
+        return reg_val;
+}
+
+static void vlan_tbl_write(struct niu *np, unsigned long index,
+                           int port, int vpr, int rdc_table)
+{
+        u64 reg_val = nr64(ENET_VLAN_TBL(index));
+
+        reg_val &= ~((ENET_VLAN_TBL_VPR |
+                      ENET_VLAN_TBL_VLANRDCTBLN) <<
+                     ENET_VLAN_TBL_SHIFT(port));
+        if (vpr)
+                reg_val |= (ENET_VLAN_TBL_VPR <<
+                            ENET_VLAN_TBL_SHIFT(port));
+        reg_val |= (rdc_table << ENET_VLAN_TBL_SHIFT(port));
+
+        reg_val = vlan_entry_set_parity(reg_val);
+
+        nw64(ENET_VLAN_TBL(index), reg_val);
+}
+
+static void vlan_tbl_clear(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++)
+                nw64(ENET_VLAN_TBL(i), 0);
+}
+
+static int tcam_wait_bit(struct niu *np, u64 bit)
+{
+        int limit = 1000;
+
+        while (--limit > 0) {
+                if (nr64(TCAM_CTL) & bit)
+                        break;
+                udelay(1);
+        }
+        if (limit < 0)
+                return -ENODEV;
+
+        return 0;
+}
+
+static int tcam_flush(struct niu *np, int index)
+{
+        nw64(TCAM_KEY_0, 0x00);
+        nw64(TCAM_KEY_MASK_0, 0xff);
+        nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index));
+
+        return tcam_wait_bit(np, TCAM_CTL_STAT);
+}
+
+#if 0
+static int tcam_read(struct niu *np, int index,
+                     u64 *key, u64 *mask)
+{
+        int err;
+
+        nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_READ | index));
+        err = tcam_wait_bit(np, TCAM_CTL_STAT);
+        if (!err) {
+                key[0] = nr64(TCAM_KEY_0);
+                key[1] = nr64(TCAM_KEY_1);
+                key[2] = nr64(TCAM_KEY_2);
+                key[3] = nr64(TCAM_KEY_3);
+                mask[0] = nr64(TCAM_KEY_MASK_0);
+                mask[1] = nr64(TCAM_KEY_MASK_1);
+                mask[2] = nr64(TCAM_KEY_MASK_2);
+                mask[3] = nr64(TCAM_KEY_MASK_3);
+        }
+        return err;
+}
+#endif
+
+static int tcam_write(struct niu *np, int index,
+                      u64 *key, u64 *mask)
+{
+        nw64(TCAM_KEY_0, key[0]);
+        nw64(TCAM_KEY_1, key[1]);
+        nw64(TCAM_KEY_2, key[2]);
+        nw64(TCAM_KEY_3, key[3]);
+        nw64(TCAM_KEY_MASK_0, mask[0]);
+        nw64(TCAM_KEY_MASK_1, mask[1]);
+        nw64(TCAM_KEY_MASK_2, mask[2]);
+        nw64(TCAM_KEY_MASK_3, mask[3]);
+        nw64(TCAM_CTL, (TCAM_CTL_RWC_TCAM_WRITE | index));
+
+        return tcam_wait_bit(np, TCAM_CTL_STAT);
+}
+
+#if 0
+static int tcam_assoc_read(struct niu *np, int index, u64 *data)
+{
+        int err;
+
+        nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_READ | index));
+        err = tcam_wait_bit(np, TCAM_CTL_STAT);
+        if (!err)
+                *data = nr64(TCAM_KEY_1);
+
+        return err;
+}
+#endif
+
+static int tcam_assoc_write(struct niu *np, int index, u64 assoc_data)
+{
+        nw64(TCAM_KEY_1, assoc_data);
+        nw64(TCAM_CTL, (TCAM_CTL_RWC_RAM_WRITE | index));
+
+        return tcam_wait_bit(np, TCAM_CTL_STAT);
+}
+
+static void tcam_enable(struct niu *np, int on)
+{
+        u64 val = nr64(FFLP_CFG_1);
+
+        if (on)
+                val &= ~FFLP_CFG_1_TCAM_DIS;
+        else
+                val |= FFLP_CFG_1_TCAM_DIS;
+        nw64(FFLP_CFG_1, val);
+}
+
+static void tcam_set_lat_and_ratio(struct niu *np, u64 latency, u64 ratio)
+{
+        u64 val = nr64(FFLP_CFG_1);
+
+        val &= ~(FFLP_CFG_1_FFLPINITDONE |
+                 FFLP_CFG_1_CAMLAT |
+                 FFLP_CFG_1_CAMRATIO);
+        val |= (latency << FFLP_CFG_1_CAMLAT_SHIFT);
+        val |= (ratio << FFLP_CFG_1_CAMRATIO_SHIFT);
+        nw64(FFLP_CFG_1, val);
+
+        val = nr64(FFLP_CFG_1);
+        val |= FFLP_CFG_1_FFLPINITDONE;
+        nw64(FFLP_CFG_1, val);
+}
+
+static int tcam_user_eth_class_enable(struct niu *np, unsigned long class,
+                                      int on)
+{
+        unsigned long reg;
+        u64 val;
+
+        if (class < CLASS_CODE_ETHERTYPE1 ||
+            class > CLASS_CODE_ETHERTYPE2)
+                return -EINVAL;
+
+        reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1);
+        val = nr64(reg);
+        if (on)
+                val |= L2_CLS_VLD;
+        else
+                val &= ~L2_CLS_VLD;
+        nw64(reg, val);
+
+        return 0;
+}
+
+#if 0
+static int tcam_user_eth_class_set(struct niu *np, unsigned long class,
+                                   u64 ether_type)
+{
+        unsigned long reg;
+        u64 val;
+
+        if (class < CLASS_CODE_ETHERTYPE1 ||
+            class > CLASS_CODE_ETHERTYPE2 ||
+            (ether_type & ~(u64)0xffff) != 0)
+                return -EINVAL;
+
+        reg = L2_CLS(class - CLASS_CODE_ETHERTYPE1);
+        val = nr64(reg);
+        val &= ~L2_CLS_ETYPE;
+        val |= (ether_type << L2_CLS_ETYPE_SHIFT);
+        nw64(reg, val);
+
+        return 0;
+}
+#endif
+
+static int tcam_user_ip_class_enable(struct niu *np, unsigned long class,
+                                     int on)
+{
+        unsigned long reg;
+        u64 val;
+
+        if (class < CLASS_CODE_USER_PROG1 ||
+            class > CLASS_CODE_USER_PROG4)
+                return -EINVAL;
+
+        reg = L3_CLS(class - CLASS_CODE_USER_PROG1);
+        val = nr64(reg);
+        if (on)
+                val |= L3_CLS_VALID;
+        else
+                val &= ~L3_CLS_VALID;
+        nw64(reg, val);
+
+        return 0;
+}
+
+#if 0
+static int tcam_user_ip_class_set(struct niu *np, unsigned long class,
+                                  int ipv6, u64 protocol_id,
+                                  u64 tos_mask, u64 tos_val)
+{
+        unsigned long reg;
+        u64 val;
+
+        if (class < CLASS_CODE_USER_PROG1 ||
+            class > CLASS_CODE_USER_PROG4 ||
+            (protocol_id & ~(u64)0xff) != 0 ||
+            (tos_mask & ~(u64)0xff) != 0 ||
+            (tos_val & ~(u64)0xff) != 0)
+                return -EINVAL;
+
+        reg = L3_CLS(class - CLASS_CODE_USER_PROG1);
+        val = nr64(reg);
+        val &= ~(L3_CLS_IPVER | L3_CLS_PID |
+                 L3_CLS_TOSMASK | L3_CLS_TOS);
+        if (ipv6)
+                val |= L3_CLS_IPVER;
+        val |= (protocol_id << L3_CLS_PID_SHIFT);
+        val |= (tos_mask << L3_CLS_TOSMASK_SHIFT);
+        val |= (tos_val << L3_CLS_TOS_SHIFT);
+        nw64(reg, val);
+
+        return 0;
+}
+#endif
+
+static int tcam_early_init(struct niu *np)
+{
+        unsigned long i;
+        int err;
+
+        tcam_enable(np, 0);
+        tcam_set_lat_and_ratio(np,
+                               DEFAULT_TCAM_LATENCY,
+                               DEFAULT_TCAM_ACCESS_RATIO);
+        for (i = CLASS_CODE_ETHERTYPE1; i <= CLASS_CODE_ETHERTYPE2; i++) {
+                err = tcam_user_eth_class_enable(np, i, 0);
+                if (err)
+                        return err;
+        }
+        for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_USER_PROG4; i++) {
+                err = tcam_user_ip_class_enable(np, i, 0);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}
+
+static int tcam_flush_all(struct niu *np)
+{
+        unsigned long i;
+
+        for (i = 0; i < np->parent->tcam_num_entries; i++) {
+                int err = tcam_flush(np, i);
+                if (err)
+                        return err;
+        }
+        return 0;
+}
+
+static u64 hash_addr_regval(unsigned long index, unsigned long num_entries)
+{
+        return ((u64)index | (num_entries == 1 ?
+                              HASH_TBL_ADDR_AUTOINC : 0));
+}
+
+#if 0
+static int hash_read(struct niu *np, unsigned long partition,
+                     unsigned long index, unsigned long num_entries,
+                     u64 *data)
+{
+        u64 val = hash_addr_regval(index, num_entries);
+        unsigned long i;
+
+        if (partition >= FCRAM_NUM_PARTITIONS ||
+            index + num_entries > FCRAM_SIZE)
+                return -EINVAL;
+
+        nw64(HASH_TBL_ADDR(partition), val);
+        for (i = 0; i < num_entries; i++)
+                data[i] = nr64(HASH_TBL_DATA(partition));
+
+        return 0;
+}
+#endif
+
+static int hash_write(struct niu *np, unsigned long partition,
+                      unsigned long index, unsigned long num_entries,
+                      u64 *data)
+{
+        u64 val = hash_addr_regval(index, num_entries);
+        unsigned long i;
+
+        if (partition >= FCRAM_NUM_PARTITIONS ||
+            index + (num_entries * 8) > FCRAM_SIZE)
+                return -EINVAL;
+
+        nw64(HASH_TBL_ADDR(partition), val);
+        for (i = 0; i < num_entries; i++)
+                nw64(HASH_TBL_DATA(partition), data[i]);
+
+        return 0;
+}
+
+static void fflp_reset(struct niu *np)
+{
+        u64 val;
+
+        nw64(FFLP_CFG_1, FFLP_CFG_1_PIO_FIO_RST);
+        udelay(10);
+        nw64(FFLP_CFG_1, 0);
+
+        val = FFLP_CFG_1_FCRAMOUTDR_NORMAL | FFLP_CFG_1_FFLPINITDONE;
+        nw64(FFLP_CFG_1, val);
+}
+
+static void fflp_set_timings(struct niu *np)
+{
+        u64 val = nr64(FFLP_CFG_1);
+
+        val &= ~FFLP_CFG_1_FFLPINITDONE;
+        val |= (DEFAULT_FCRAMRATIO << FFLP_CFG_1_FCRAMRATIO_SHIFT);
+        nw64(FFLP_CFG_1, val);
+
+        val = nr64(FFLP_CFG_1);
+        val |= FFLP_CFG_1_FFLPINITDONE;
+        nw64(FFLP_CFG_1, val);
+
+        val = nr64(FCRAM_REF_TMR);
+        val &= ~(FCRAM_REF_TMR_MAX | FCRAM_REF_TMR_MIN);
+        val |= (DEFAULT_FCRAM_REFRESH_MAX << FCRAM_REF_TMR_MAX_SHIFT);
+        val |= (DEFAULT_FCRAM_REFRESH_MIN << FCRAM_REF_TMR_MIN_SHIFT);
+        nw64(FCRAM_REF_TMR, val);
+}
+
+static int fflp_set_partition(struct niu *np, u64 partition,
+                              u64 mask, u64 base, int enable)
+{
+        unsigned long reg;
+        u64 val;
+
+        if (partition >= FCRAM_NUM_PARTITIONS ||
+            (mask & ~(u64)0x1f) != 0 ||
+            (base & ~(u64)0x1f) != 0)
+                return -EINVAL;
+
+        reg = FLW_PRT_SEL(partition);
+
+        val = nr64(reg);
+        val &= ~(FLW_PRT_SEL_EXT | FLW_PRT_SEL_MASK | FLW_PRT_SEL_BASE);
+        val |= (mask << FLW_PRT_SEL_MASK_SHIFT);
+        val |= (base << FLW_PRT_SEL_BASE_SHIFT);
+        if (enable)
+                val |= FLW_PRT_SEL_EXT;
+        nw64(reg, val);
+
+        return 0;
+}
+
+static int fflp_disable_all_partitions(struct niu *np)
+{
+        unsigned long i;
+
+        for (i = 0; i < FCRAM_NUM_PARTITIONS; i++) {
+                int err = fflp_set_partition(np, 0, 0, 0, 0);
+                if (err)
+                        return err;
+        }
+        return 0;
+}
+
+static void fflp_llcsnap_enable(struct niu *np, int on)
+{
+        u64 val = nr64(FFLP_CFG_1);
+
+        if (on)
+                val |= FFLP_CFG_1_LLCSNAP;
+        else
+                val &= ~FFLP_CFG_1_LLCSNAP;
+        nw64(FFLP_CFG_1, val);
+}
+
+static void fflp_errors_enable(struct niu *np, int on)
+{
+        u64 val = nr64(FFLP_CFG_1);
+
+        if (on)
+                val &= ~FFLP_CFG_1_ERRORDIS;
+        else
+                val |= FFLP_CFG_1_ERRORDIS;
+        nw64(FFLP_CFG_1, val);
+}
+
+static int fflp_hash_clear(struct niu *np)
+{
+        struct fcram_hash_ipv4 ent;
+        unsigned long i;
+
+        /* IPV4 hash entry with valid bit clear, rest is don't care.  */
+        memset(&ent, 0, sizeof(ent));
+        ent.header = HASH_HEADER_EXT;
+
+        for (i = 0; i < FCRAM_SIZE; i += sizeof(ent)) {
+                int err = hash_write(np, 0, i, 1, (u64 *) &ent);
+                if (err)
+                        return err;
+        }
+        return 0;
+}
+
+static int fflp_early_init(struct niu *np)
+{
+        struct niu_parent *parent;
+        unsigned long flags;
+        int err;
+
+        niu_lock_parent(np, flags);
+
+        parent = np->parent;
+        err = 0;
+        if (!(parent->flags & PARENT_FLGS_CLS_HWINIT)) {
+                niudbg(PROBE, "fflp_early_init: Initting hw on port %u\n",
+                       np->port);
+                if (np->parent->plat_type != PLAT_TYPE_NIU) {
+                        fflp_reset(np);
+                        fflp_set_timings(np);
+                        err = fflp_disable_all_partitions(np);
+                        if (err) {
+                                niudbg(PROBE, "fflp_disable_all_partitions "
+                                       "failed, err=%d\n", err);
+                                goto out;
+                        }
+                }
+
+                err = tcam_early_init(np);
+                if (err) {
+                        niudbg(PROBE, "tcam_early_init failed, err=%d\n",
+                               err);
+                        goto out;
+                }
+                fflp_llcsnap_enable(np, 1);
+                fflp_errors_enable(np, 0);
+                nw64(H1POLY, 0);
+                nw64(H2POLY, 0);
+
+                err = tcam_flush_all(np);
+                if (err) {
+                        niudbg(PROBE, "tcam_flush_all failed, err=%d\n",
+                               err);
+                        goto out;
+                }
+                if (np->parent->plat_type != PLAT_TYPE_NIU) {
+                        err = fflp_hash_clear(np);
+                        if (err) {
+                                niudbg(PROBE, "fflp_hash_clear failed, "
+                                       "err=%d\n", err);
+                                goto out;
+                        }
+                }
+
+                vlan_tbl_clear(np);
+
+                niudbg(PROBE, "fflp_early_init: Success\n");
+                parent->flags |= PARENT_FLGS_CLS_HWINIT;
+        }
+out:
+        niu_unlock_parent(np, flags);
+        return err;
+}
+
+static int niu_set_flow_key(struct niu *np, unsigned long class_code, u64 key)
+{
+        if (class_code < CLASS_CODE_USER_PROG1 ||
+            class_code > CLASS_CODE_SCTP_IPV6)
+                return -EINVAL;
+
+        nw64(FLOW_KEY(class_code - CLASS_CODE_USER_PROG1), key);
+        return 0;
+}
+
+static int niu_set_tcam_key(struct niu *np, unsigned long class_code, u64 key)
+{
+        if (class_code < CLASS_CODE_USER_PROG1 ||
+            class_code > CLASS_CODE_SCTP_IPV6)
+                return -EINVAL;
+
+        nw64(TCAM_KEY(class_code - CLASS_CODE_USER_PROG1), key);
+        return 0;
+}
+
+static void niu_rx_skb_append(struct sk_buff *skb, struct page *page,
+                              u32 offset, u32 size)
+{
+        int i = skb_shinfo(skb)->nr_frags;
+        skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+        frag->page = page;
+        frag->page_offset = offset;
+        frag->size = size;
+
+        skb->len += size;
+        skb->data_len += size;
+        skb->truesize += size;
+
+        skb_shinfo(skb)->nr_frags = i + 1;
+}
+
+static unsigned int niu_hash_rxaddr(struct rx_ring_info *rp, u64 a)
+{
+        a >>= PAGE_SHIFT;
+        a ^= (a >> ilog2(MAX_RBR_RING_SIZE));
+
+        return (a & (MAX_RBR_RING_SIZE - 1));
+}
+
+static struct page *niu_find_rxpage(struct rx_ring_info *rp, u64 addr,
+                                    struct page ***link)
+{
+        unsigned int h = niu_hash_rxaddr(rp, addr);
+        struct page *p, **pp;
+
+        addr &= PAGE_MASK;
+        pp = &rp->rxhash[h];
+        for (; (p = *pp) != NULL; pp = (struct page **) &p->mapping) {
+                if (p->index == addr) {
+                        *link = pp;
+                        break;
+                }
+        }
+
+        return p;
+}
+
+static void niu_hash_page(struct rx_ring_info *rp, struct page *page, u64 base)
+{
+        unsigned int h = niu_hash_rxaddr(rp, base);
+
+        page->index = base;
+        page->mapping = (struct address_space *) rp->rxhash[h];
+        rp->rxhash[h] = page;
+}
+
+static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
+                            gfp_t mask, int start_index)
+{
+        struct page *page;
+        u64 addr;
+        int i;
+
+        page = alloc_page(mask);
+        if (!page)
+                return -ENOMEM;
+
+        addr = np->ops->map_page(np->device, page, 0,
+                                 PAGE_SIZE, DMA_FROM_DEVICE);
+
+        niu_hash_page(rp, page, addr);
+        if (rp->rbr_blocks_per_page > 1)
+                atomic_add(rp->rbr_blocks_per_page - 1,
+                           &compound_head(page)->_count);
+
+        for (i = 0; i < rp->rbr_blocks_per_page; i++) {
+                __le32 *rbr = &rp->rbr[start_index + i];
+
+                *rbr = cpu_to_le32(addr >> RBR_DESCR_ADDR_SHIFT);
+                addr += rp->rbr_block_size;
+        }
+
+        return 0;
+}
+
+static void niu_rbr_refill(struct niu *np, struct rx_ring_info *rp, gfp_t mask)
+{
+        int index = rp->rbr_index;
+
+        rp->rbr_pending++;
+        if ((rp->rbr_pending % rp->rbr_blocks_per_page) == 0) {
+                int err = niu_rbr_add_page(np, rp, mask, index);
+
+                if (unlikely(err)) {
+                        rp->rbr_pending--;
+                        return;
+                }
+
+                rp->rbr_index += rp->rbr_blocks_per_page;
+                BUG_ON(rp->rbr_index > rp->rbr_table_size);
+                if (rp->rbr_index == rp->rbr_table_size)
+                        rp->rbr_index = 0;
+
+                if (rp->rbr_pending >= rp->rbr_kick_thresh) {
+                        nw64(RBR_KICK(rp->rx_channel), rp->rbr_pending);
+                        rp->rbr_pending = 0;
+                }
+        }
+}
+
+static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp)
+{
+        unsigned int index = rp->rcr_index;
+        int num_rcr = 0;
+
+        rp->rx_dropped++;
+        while (1) {
+                struct page *page, **link;
+                u64 addr, val;
+                u32 rcr_size;
+
+                num_rcr++;
+
+                val = le64_to_cpup(&rp->rcr[index]);
+                addr = (val & RCR_ENTRY_PKT_BUF_ADDR) <<
+                        RCR_ENTRY_PKT_BUF_ADDR_SHIFT;
+                page = niu_find_rxpage(rp, addr, &link);
+
+                rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >>
+                                         RCR_ENTRY_PKTBUFSZ_SHIFT];
+                if ((page->index + PAGE_SIZE) - rcr_size == addr) {
+                        *link = (struct page *) page->mapping;
+                        np->ops->unmap_page(np->device, page->index,
+                                            PAGE_SIZE, DMA_FROM_DEVICE);
+                        page->index = 0;
+                        page->mapping = NULL;
+                        __free_page(page);
+                        rp->rbr_refill_pending++;
+                }
+
+                index = NEXT_RCR(rp, index);
+                if (!(val & RCR_ENTRY_MULTI))
+                        break;
+
+        }
+        rp->rcr_index = index;
+
+        return num_rcr;
+}
+
+static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp)
+{
+        unsigned int index = rp->rcr_index;
+        struct sk_buff *skb;
+        int len, num_rcr;
+
+        skb = netdev_alloc_skb(np->dev, RX_SKB_ALLOC_SIZE);
+        if (unlikely(!skb))
+                return niu_rx_pkt_ignore(np, rp);
+
+        num_rcr = 0;
+        while (1) {
+                struct page *page, **link;
+                u32 rcr_size, append_size;
+                u64 addr, val, off;
+
+                num_rcr++;
+
+                val = le64_to_cpup(&rp->rcr[index]);
+
+                len = (val & RCR_ENTRY_L2_LEN) >>
+                        RCR_ENTRY_L2_LEN_SHIFT;
+                len -= ETH_FCS_LEN;
+
+                addr = (val & RCR_ENTRY_PKT_BUF_ADDR) <<
+                        RCR_ENTRY_PKT_BUF_ADDR_SHIFT;
+                page = niu_find_rxpage(rp, addr, &link);
+
+                rcr_size = rp->rbr_sizes[(val & RCR_ENTRY_PKTBUFSZ) >>
+                                         RCR_ENTRY_PKTBUFSZ_SHIFT];
+
+                off = addr & ~PAGE_MASK;
+                append_size = rcr_size;
+                if (num_rcr == 1) {
+                        int ptype;
+
+                        off += 2;
+                        append_size -= 2;
+
+                        ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT);
+                        if ((ptype == RCR_PKT_TYPE_TCP ||
+                             ptype == RCR_PKT_TYPE_UDP) &&
+                            !(val & (RCR_ENTRY_NOPORT |
+                                     RCR_ENTRY_ERROR)))
+                                skb->ip_summed = CHECKSUM_UNNECESSARY;
+                        else
+                                skb->ip_summed = CHECKSUM_NONE;
+                }
+                if (!(val & RCR_ENTRY_MULTI))
+                        append_size = len - skb->len;
+
+                niu_rx_skb_append(skb, page, off, append_size);
+                if ((page->index + rp->rbr_block_size) - rcr_size == addr) {
+                        *link = (struct page *) page->mapping;
+                        np->ops->unmap_page(np->device, page->index,
+                                            PAGE_SIZE, DMA_FROM_DEVICE);
+                        page->index = 0;
+                        page->mapping = NULL;
+                        rp->rbr_refill_pending++;
+                } else
+                        get_page(page);
+
+                index = NEXT_RCR(rp, index);
+                if (!(val & RCR_ENTRY_MULTI))
+                        break;
+
+        }
+        rp->rcr_index = index;
+
+        skb_reserve(skb, NET_IP_ALIGN);
+        __pskb_pull_tail(skb, min(len, NIU_RXPULL_MAX));
+
+        rp->rx_packets++;
+        rp->rx_bytes += skb->len;
+
+        skb->protocol = eth_type_trans(skb, np->dev);
+        netif_receive_skb(skb);
+
+        return num_rcr;
+}
+
+static int niu_rbr_fill(struct niu *np, struct rx_ring_info *rp, gfp_t mask)
+{
+        int blocks_per_page = rp->rbr_blocks_per_page;
+        int err, index = rp->rbr_index;
+
+        err = 0;
+        while (index < (rp->rbr_table_size - blocks_per_page)) {
+                err = niu_rbr_add_page(np, rp, mask, index);
+                if (err)
+                        break;
+
+                index += blocks_per_page;
+        }
+
+        rp->rbr_index = index;
+        return err;
+}
+
+static void niu_rbr_free(struct niu *np, struct rx_ring_info *rp)
+{
+        int i;
+
+        for (i = 0; i < MAX_RBR_RING_SIZE; i++) {
+                struct page *page;
+
+                page = rp->rxhash[i];
+                while (page) {
+                        struct page *next = (struct page *) page->mapping;
+                        u64 base = page->index;
+
+                        np->ops->unmap_page(np->device, base, PAGE_SIZE,
+                                            DMA_FROM_DEVICE);
+                        page->index = 0;
+                        page->mapping = NULL;
+
+                        __free_page(page);
+
+                        page = next;
+                }
+        }
+
+        for (i = 0; i < rp->rbr_table_size; i++)
+                rp->rbr[i] = cpu_to_le32(0);
+        rp->rbr_index = 0;
+}
+
+static int release_tx_packet(struct niu *np, struct tx_ring_info *rp, int idx)
+{
+        struct tx_buff_info *tb = &rp->tx_buffs[idx];
+        struct sk_buff *skb = tb->skb;
+        struct tx_pkt_hdr *tp;
+        u64 tx_flags;
+        int i, len;
+
+        tp = (struct tx_pkt_hdr *) skb->data;
+        tx_flags = le64_to_cpup(&tp->flags);
+
+        rp->tx_packets++;
+        rp->tx_bytes += (((tx_flags & TXHDR_LEN) >> TXHDR_LEN_SHIFT) -
+                         ((tx_flags & TXHDR_PAD) / 2));
+
+        len = skb_headlen(skb);
+        np->ops->unmap_single(np->device, tb->mapping,
+                              len, DMA_TO_DEVICE);
+
+        if (le64_to_cpu(rp->descr[idx]) & TX_DESC_MARK)
+                rp->mark_pending--;
+
+        tb->skb = NULL;
+        do {
+                idx = NEXT_TX(rp, idx);
+                len -= MAX_TX_DESC_LEN;
+        } while (len > 0);
+
+        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+                tb = &rp->tx_buffs[idx];
+                BUG_ON(tb->skb != NULL);
+                np->ops->unmap_page(np->device, tb->mapping,
+                                    skb_shinfo(skb)->frags[i].size,
+                                    DMA_TO_DEVICE);
+                idx = NEXT_TX(rp, idx);
+        }
+
+        dev_kfree_skb(skb);
+
+        return idx;
+}
+
+#define NIU_TX_WAKEUP_THRESH(rp)                ((rp)->pending / 4)
+
+static void niu_tx_work(struct niu *np, struct tx_ring_info *rp)
+{
+        u16 pkt_cnt, tmp;
+        int cons;
+        u64 cs;
+
+        cs = rp->tx_cs;
+        if (unlikely(!(cs & (TX_CS_MK | TX_CS_MMK))))
+                goto out;
+
+        tmp = pkt_cnt = (cs & TX_CS_PKT_CNT) >> TX_CS_PKT_CNT_SHIFT;
+        pkt_cnt = (pkt_cnt - rp->last_pkt_cnt) &
+                (TX_CS_PKT_CNT >> TX_CS_PKT_CNT_SHIFT);
+
+        rp->last_pkt_cnt = tmp;
+
+        cons = rp->cons;
+
+        niudbg(TX_DONE, "%s: niu_tx_work() pkt_cnt[%u] cons[%d]\n",
+               np->dev->name, pkt_cnt, cons);
+
+        while (pkt_cnt--)
+                cons = release_tx_packet(np, rp, cons);
+
+        rp->cons = cons;
+        smp_mb();
+
+out:
+        if (unlikely(netif_queue_stopped(np->dev) &&
+                     (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))) {
+                netif_tx_lock(np->dev);
+                if (netif_queue_stopped(np->dev) &&
+                    (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp)))
+                        netif_wake_queue(np->dev);
+                netif_tx_unlock(np->dev);
+        }
+}
+
+static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget)
+{
+        int qlen, rcr_done = 0, work_done = 0;
+        struct rxdma_mailbox *mbox = rp->mbox;
+        u64 stat;
+
+#if 1
+        stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel));
+        qlen = nr64(RCRSTAT_A(rp->rx_channel)) & RCRSTAT_A_QLEN;
+#else
+        stat = le64_to_cpup(&mbox->rx_dma_ctl_stat);
+        qlen = (le64_to_cpup(&mbox->rcrstat_a) & RCRSTAT_A_QLEN);
+#endif
+        mbox->rx_dma_ctl_stat = 0;
+        mbox->rcrstat_a = 0;
+
+        niudbg(RX_STATUS, "%s: niu_rx_work(chan[%d]), stat[%llx] qlen=%d\n",
+               np->dev->name, rp->rx_channel, (unsigned long long) stat, qlen);
+
+        rcr_done = work_done = 0;
+        qlen = min(qlen, budget);
+        while (work_done < qlen) {
+                rcr_done += niu_process_rx_pkt(np, rp);
+                work_done++;
+        }
+
+        if (rp->rbr_refill_pending >= rp->rbr_kick_thresh) {
+                unsigned int i;
+
+                for (i = 0; i < rp->rbr_refill_pending; i++)
+                        niu_rbr_refill(np, rp, GFP_ATOMIC);
+                rp->rbr_refill_pending = 0;
+        }
+
+        stat = (RX_DMA_CTL_STAT_MEX |
+                ((u64)work_done << RX_DMA_CTL_STAT_PKTREAD_SHIFT) |
+                ((u64)rcr_done << RX_DMA_CTL_STAT_PTRREAD_SHIFT));
+
+        nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat);
+
+        return work_done;
+}
+
+static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget)
+{
+        u64 v0 = lp->v0;
+        u32 tx_vec = (v0 >> 32);
+        u32 rx_vec = (v0 & 0xffffffff);
+        int i, work_done = 0;
+
+        niudbg(INTR, "%s: niu_poll_core() v0[%016llx]\n",
+               np->dev->name, (unsigned long long) v0);
+
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+                if (tx_vec & (1 << rp->tx_channel))
+                        niu_tx_work(np, rp);
+                nw64(LD_IM0(LDN_TXDMA(rp->tx_channel)), 0);
+        }
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                if (rx_vec & (1 << rp->rx_channel)) {
+                        int this_work_done;
+
+                        this_work_done = niu_rx_work(np, rp,
+                                                     budget);
+
+                        budget -= this_work_done;
+                        work_done += this_work_done;
+                }
+                nw64(LD_IM0(LDN_RXDMA(rp->rx_channel)), 0);
+        }
+
+        return work_done;
+}
+
+static int niu_poll(struct napi_struct *napi, int budget)
+{
+        struct niu_ldg *lp = container_of(napi, struct niu_ldg, napi);
+        struct niu *np = lp->np;
+        int work_done;
+
+        work_done = niu_poll_core(np, lp, budget);
+
+        if (work_done < budget) {
+                netif_rx_complete(np->dev, napi);
+                niu_ldg_rearm(np, lp, 1);
+        }
+        return work_done;
+}
+
+static void niu_log_rxchan_errors(struct niu *np, struct rx_ring_info *rp,
+                                  u64 stat)
+{
+        dev_err(np->device, PFX "%s: RX channel %u errors ( ",
+                np->dev->name, rp->rx_channel);
+
+        if (stat & RX_DMA_CTL_STAT_RBR_TMOUT)
+                printk("RBR_TMOUT ");
+        if (stat & RX_DMA_CTL_STAT_RSP_CNT_ERR)
+                printk("RSP_CNT ");
+        if (stat & RX_DMA_CTL_STAT_BYTE_EN_BUS)
+                printk("BYTE_EN_BUS ");
+        if (stat & RX_DMA_CTL_STAT_RSP_DAT_ERR)
+                printk("RSP_DAT ");
+        if (stat & RX_DMA_CTL_STAT_RCR_ACK_ERR)
+                printk("RCR_ACK ");
+        if (stat & RX_DMA_CTL_STAT_RCR_SHA_PAR)
+                printk("RCR_SHA_PAR ");
+        if (stat & RX_DMA_CTL_STAT_RBR_PRE_PAR)
+                printk("RBR_PRE_PAR ");
+        if (stat & RX_DMA_CTL_STAT_CONFIG_ERR)
+                printk("CONFIG ");
+        if (stat & RX_DMA_CTL_STAT_RCRINCON)
+                printk("RCRINCON ");
+        if (stat & RX_DMA_CTL_STAT_RCRFULL)
+                printk("RCRFULL ");
+        if (stat & RX_DMA_CTL_STAT_RBRFULL)
+                printk("RBRFULL ");
+        if (stat & RX_DMA_CTL_STAT_RBRLOGPAGE)
+                printk("RBRLOGPAGE ");
+        if (stat & RX_DMA_CTL_STAT_CFIGLOGPAGE)
+                printk("CFIGLOGPAGE ");
+        if (stat & RX_DMA_CTL_STAT_DC_FIFO_ERR)
+                printk("DC_FIDO ");
+
+        printk(")\n");
+}
+
+static int niu_rx_error(struct niu *np, struct rx_ring_info *rp)
+{
+        u64 stat = nr64(RX_DMA_CTL_STAT(rp->rx_channel));
+        int err = 0;
+
+        dev_err(np->device, PFX "%s: RX channel %u error, stat[%llx]\n",
+                np->dev->name, rp->rx_channel, (unsigned long long) stat);
+
+        niu_log_rxchan_errors(np, rp, stat);
+
+        if (stat & (RX_DMA_CTL_STAT_CHAN_FATAL |
+                    RX_DMA_CTL_STAT_PORT_FATAL))
+                err = -EINVAL;
+
+        nw64(RX_DMA_CTL_STAT(rp->rx_channel),
+             stat & RX_DMA_CTL_WRITE_CLEAR_ERRS);
+
+        return err;
+}
+
+static void niu_log_txchan_errors(struct niu *np, struct tx_ring_info *rp,
+                                  u64 cs)
+{
+        dev_err(np->device, PFX "%s: TX channel %u errors ( ",
+                np->dev->name, rp->tx_channel);
+
+        if (cs & TX_CS_MBOX_ERR)
+                printk("MBOX ");
+        if (cs & TX_CS_PKT_SIZE_ERR)
+                printk("PKT_SIZE ");
+        if (cs & TX_CS_TX_RING_OFLOW)
+                printk("TX_RING_OFLOW ");
+        if (cs & TX_CS_PREF_BUF_PAR_ERR)
+                printk("PREF_BUF_PAR ");
+        if (cs & TX_CS_NACK_PREF)
+                printk("NACK_PREF ");
+        if (cs & TX_CS_NACK_PKT_RD)
+                printk("NACK_PKT_RD ");
+        if (cs & TX_CS_CONF_PART_ERR)
+                printk("CONF_PART ");
+        if (cs & TX_CS_PKT_PRT_ERR)
+                printk("PKT_PTR ");
+
+        printk(")\n");
+}
+
+static int niu_tx_error(struct niu *np, struct tx_ring_info *rp)
+{
+        u64 cs, logh, logl;
+
+        cs = nr64(TX_CS(rp->tx_channel));
+        logh = nr64(TX_RNG_ERR_LOGH(rp->tx_channel));
+        logl = nr64(TX_RNG_ERR_LOGL(rp->tx_channel));
+
+        dev_err(np->device, PFX "%s: TX channel %u error, "
+                "cs[%llx] logh[%llx] logl[%llx]\n",
+                np->dev->name, rp->tx_channel,
+                (unsigned long long) cs,
+                (unsigned long long) logh,
+                (unsigned long long) logl);
+
+        niu_log_txchan_errors(np, rp, cs);
+
+        return -ENODEV;
+}
+
+static int niu_mif_interrupt(struct niu *np)
+{
+        u64 mif_status = nr64(MIF_STATUS);
+        int phy_mdint = 0;
+
+        if (np->flags & NIU_FLAGS_XMAC) {
+                u64 xrxmac_stat = nr64_mac(XRXMAC_STATUS);
+
+                if (xrxmac_stat & XRXMAC_STATUS_PHY_MDINT)
+                        phy_mdint = 1;
+        }
+
+        dev_err(np->device, PFX "%s: MIF interrupt, "
+                "stat[%llx] phy_mdint(%d)\n",
+                np->dev->name, (unsigned long long) mif_status, phy_mdint);
+
+        return -ENODEV;
+}
+
+static void niu_xmac_interrupt(struct niu *np)
+{
+        struct niu_xmac_stats *mp = &np->mac_stats.xmac;
+        u64 val;
+
+        val = nr64_mac(XTXMAC_STATUS);
+        if (val & XTXMAC_STATUS_FRAME_CNT_EXP)
+                mp->tx_frames += TXMAC_FRM_CNT_COUNT;
+        if (val & XTXMAC_STATUS_BYTE_CNT_EXP)
+                mp->tx_bytes += TXMAC_BYTE_CNT_COUNT;
+        if (val & XTXMAC_STATUS_TXFIFO_XFR_ERR)
+                mp->tx_fifo_errors++;
+        if (val & XTXMAC_STATUS_TXMAC_OFLOW)
+                mp->tx_overflow_errors++;
+        if (val & XTXMAC_STATUS_MAX_PSIZE_ERR)
+                mp->tx_max_pkt_size_errors++;
+        if (val & XTXMAC_STATUS_TXMAC_UFLOW)
+                mp->tx_underflow_errors++;
+
+        val = nr64_mac(XRXMAC_STATUS);
+        if (val & XRXMAC_STATUS_LCL_FLT_STATUS)
+                mp->rx_local_faults++;
+        if (val & XRXMAC_STATUS_RFLT_DET)
+                mp->rx_remote_faults++;
+        if (val & XRXMAC_STATUS_LFLT_CNT_EXP)
+                mp->rx_link_faults += LINK_FAULT_CNT_COUNT;
+        if (val & XRXMAC_STATUS_ALIGNERR_CNT_EXP)
+                mp->rx_align_errors += RXMAC_ALIGN_ERR_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXFRAG_CNT_EXP)
+                mp->rx_frags += RXMAC_FRAG_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXMULTF_CNT_EXP)
+                mp->rx_mcasts += RXMAC_MC_FRM_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP)
+                mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXBCAST_CNT_EXP)
+                mp->rx_bcasts += RXMAC_BC_FRM_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST1_CNT_EXP)
+                mp->rx_hist_cnt1 += RXMAC_HIST_CNT1_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST2_CNT_EXP)
+                mp->rx_hist_cnt2 += RXMAC_HIST_CNT2_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST3_CNT_EXP)
+                mp->rx_hist_cnt3 += RXMAC_HIST_CNT3_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST4_CNT_EXP)
+                mp->rx_hist_cnt4 += RXMAC_HIST_CNT4_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST5_CNT_EXP)
+                mp->rx_hist_cnt5 += RXMAC_HIST_CNT5_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST6_CNT_EXP)
+                mp->rx_hist_cnt6 += RXMAC_HIST_CNT6_COUNT;
+        if (val & XRXMAC_STATUS_RXHIST7_CNT_EXP)
+                mp->rx_hist_cnt7 += RXMAC_HIST_CNT7_COUNT;
+        if (val & XRXMAC_STAT_MSK_RXOCTET_CNT_EXP)
+                mp->rx_octets += RXMAC_BT_CNT_COUNT;
+        if (val & XRXMAC_STATUS_CVIOLERR_CNT_EXP)
+                mp->rx_code_violations += RXMAC_CD_VIO_CNT_COUNT;
+        if (val & XRXMAC_STATUS_LENERR_CNT_EXP)
+                mp->rx_len_errors += RXMAC_MPSZER_CNT_COUNT;
+        if (val & XRXMAC_STATUS_CRCERR_CNT_EXP)
+                mp->rx_crc_errors += RXMAC_CRC_ER_CNT_COUNT;
+        if (val & XRXMAC_STATUS_RXUFLOW)
+                mp->rx_underflows++;
+        if (val & XRXMAC_STATUS_RXOFLOW)
+                mp->rx_overflows++;
+
+        val = nr64_mac(XMAC_FC_STAT);
+        if (val & XMAC_FC_STAT_TX_MAC_NPAUSE)
+                mp->pause_off_state++;
+        if (val & XMAC_FC_STAT_TX_MAC_PAUSE)
+                mp->pause_on_state++;
+        if (val & XMAC_FC_STAT_RX_MAC_RPAUSE)
+                mp->pause_received++;
+}
+
+static void niu_bmac_interrupt(struct niu *np)
+{
+        struct niu_bmac_stats *mp = &np->mac_stats.bmac;
+        u64 val;
+
+        val = nr64_mac(BTXMAC_STATUS);
+        if (val & BTXMAC_STATUS_UNDERRUN)
+                mp->tx_underflow_errors++;
+        if (val & BTXMAC_STATUS_MAX_PKT_ERR)
+                mp->tx_max_pkt_size_errors++;
+        if (val & BTXMAC_STATUS_BYTE_CNT_EXP)
+                mp->tx_bytes += BTXMAC_BYTE_CNT_COUNT;
+        if (val & BTXMAC_STATUS_FRAME_CNT_EXP)
+                mp->tx_frames += BTXMAC_FRM_CNT_COUNT;
+
+        val = nr64_mac(BRXMAC_STATUS);
+        if (val & BRXMAC_STATUS_OVERFLOW)
+                mp->rx_overflows++;
+        if (val & BRXMAC_STATUS_FRAME_CNT_EXP)
+                mp->rx_frames += BRXMAC_FRAME_CNT_COUNT;
+        if (val & BRXMAC_STATUS_ALIGN_ERR_EXP)
+                mp->rx_align_errors += BRXMAC_ALIGN_ERR_CNT_COUNT;
+        if (val & BRXMAC_STATUS_CRC_ERR_EXP)
+                mp->rx_crc_errors += BRXMAC_ALIGN_ERR_CNT_COUNT;
+        if (val & BRXMAC_STATUS_LEN_ERR_EXP)
+                mp->rx_len_errors += BRXMAC_CODE_VIOL_ERR_CNT_COUNT;
+
+        val = nr64_mac(BMAC_CTRL_STATUS);
+        if (val & BMAC_CTRL_STATUS_NOPAUSE)
+                mp->pause_off_state++;
+        if (val & BMAC_CTRL_STATUS_PAUSE)
+                mp->pause_on_state++;
+        if (val & BMAC_CTRL_STATUS_PAUSE_RECV)
+                mp->pause_received++;
+}
+
+static int niu_mac_interrupt(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_xmac_interrupt(np);
+        else
+                niu_bmac_interrupt(np);
+
+        return 0;
+}
+
+static void niu_log_device_error(struct niu *np, u64 stat)
+{
+        dev_err(np->device, PFX "%s: Core device errors ( ",
+                np->dev->name);
+
+        if (stat & SYS_ERR_MASK_META2)
+                printk("META2 ");
+        if (stat & SYS_ERR_MASK_META1)
+                printk("META1 ");
+        if (stat & SYS_ERR_MASK_PEU)
+                printk("PEU ");
+        if (stat & SYS_ERR_MASK_TXC)
+                printk("TXC ");
+        if (stat & SYS_ERR_MASK_RDMC)
+                printk("RDMC ");
+        if (stat & SYS_ERR_MASK_TDMC)
+                printk("TDMC ");
+        if (stat & SYS_ERR_MASK_ZCP)
+                printk("ZCP ");
+        if (stat & SYS_ERR_MASK_FFLP)
+                printk("FFLP ");
+        if (stat & SYS_ERR_MASK_IPP)
+                printk("IPP ");
+        if (stat & SYS_ERR_MASK_MAC)
+                printk("MAC ");
+        if (stat & SYS_ERR_MASK_SMX)
+                printk("SMX ");
+
+        printk(")\n");
+}
+
+static int niu_device_error(struct niu *np)
+{
+        u64 stat = nr64(SYS_ERR_STAT);
+
+        dev_err(np->device, PFX "%s: Core device error, stat[%llx]\n",
+                np->dev->name, (unsigned long long) stat);
+
+        niu_log_device_error(np, stat);
+
+        return -ENODEV;
+}
+
+static int niu_slowpath_interrupt(struct niu *np, struct niu_ldg *lp)
+{
+        u64 v0 = lp->v0;
+        u64 v1 = lp->v1;
+        u64 v2 = lp->v2;
+        int i, err = 0;
+
+        if (v1 & 0x00000000ffffffffULL) {
+                u32 rx_vec = (v1 & 0xffffffff);
+
+                for (i = 0; i < np->num_rx_rings; i++) {
+                        struct rx_ring_info *rp = &np->rx_rings[i];
+
+                        if (rx_vec & (1 << rp->rx_channel)) {
+                                int r = niu_rx_error(np, rp);
+                                if (r)
+                                        err = r;
+                        }
+                }
+        }
+        if (v1 & 0x7fffffff00000000ULL) {
+                u32 tx_vec = (v1 >> 32) & 0x7fffffff;
+
+                for (i = 0; i < np->num_tx_rings; i++) {
+                        struct tx_ring_info *rp = &np->tx_rings[i];
+
+                        if (tx_vec & (1 << rp->tx_channel)) {
+                                int r = niu_tx_error(np, rp);
+                                if (r)
+                                        err = r;
+                        }
+                }
+        }
+        if ((v0 | v1) & 0x8000000000000000ULL) {
+                int r = niu_mif_interrupt(np);
+                if (r)
+                        err = r;
+        }
+        if (v2) {
+                if (v2 & 0x01ef) {
+                        int r = niu_mac_interrupt(np);
+                        if (r)
+                                err = r;
+                }
+                if (v2 & 0x0210) {
+                        int r = niu_device_error(np);
+                        if (r)
+                                err = r;
+                }
+        }
+
+        if (err)
+                niu_enable_interrupts(np, 0);
+
+        return -EINVAL;
+}
+
+static void niu_rxchan_intr(struct niu *np, struct rx_ring_info *rp,
+                            int ldn)
+{
+        struct rxdma_mailbox *mbox = rp->mbox;
+        u64 stat_write, stat = le64_to_cpup(&mbox->rx_dma_ctl_stat);
+
+        stat_write = (RX_DMA_CTL_STAT_RCRTHRES |
+                      RX_DMA_CTL_STAT_RCRTO);
+        nw64(RX_DMA_CTL_STAT(rp->rx_channel), stat_write);
+
+        niudbg(INTR, "%s: rxchan_intr stat[%llx]\n",
+               np->dev->name, (unsigned long long) stat);
+}
+
+static void niu_txchan_intr(struct niu *np, struct tx_ring_info *rp,
+                            int ldn)
+{
+        rp->tx_cs = nr64(TX_CS(rp->tx_channel));
+
+        niudbg(INTR, "%s: txchan_intr cs[%llx]\n",
+               np->dev->name, (unsigned long long) rp->tx_cs);
+}
+
+static void __niu_fastpath_interrupt(struct niu *np, int ldg, u64 v0)
+{
+        struct niu_parent *parent = np->parent;
+        u32 rx_vec, tx_vec;
+        int i;
+
+        tx_vec = (v0 >> 32);
+        rx_vec = (v0 & 0xffffffff);
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+                int ldn = LDN_RXDMA(rp->rx_channel);
+
+                if (parent->ldg_map[ldn] != ldg)
+                        continue;
+
+                nw64(LD_IM0(ldn), LD_IM0_MASK);
+                if (rx_vec & (1 << rp->rx_channel))
+                        niu_rxchan_intr(np, rp, ldn);
+        }
+
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+                int ldn = LDN_TXDMA(rp->tx_channel);
+
+                if (parent->ldg_map[ldn] != ldg)
+                        continue;
+
+                nw64(LD_IM0(ldn), LD_IM0_MASK);
+                if (tx_vec & (1 << rp->tx_channel))
+                        niu_txchan_intr(np, rp, ldn);
+        }
+}
+
+static void niu_schedule_napi(struct niu *np, struct niu_ldg *lp,
+                              u64 v0, u64 v1, u64 v2)
+{
+        if (likely(netif_rx_schedule_prep(np->dev, &lp->napi))) {
+                lp->v0 = v0;
+                lp->v1 = v1;
+                lp->v2 = v2;
+                __niu_fastpath_interrupt(np, lp->ldg_num, v0);
+                __netif_rx_schedule(np->dev, &lp->napi);
+        }
+}
+
+static irqreturn_t niu_interrupt(int irq, void *dev_id)
+{
+        struct niu_ldg *lp = dev_id;
+        struct niu *np = lp->np;
+        int ldg = lp->ldg_num;
+        unsigned long flags;
+        u64 v0, v1, v2;
+
+        if (netif_msg_intr(np))
+                printk(KERN_DEBUG PFX "niu_interrupt() ldg[%p](%d) ",
+                       lp, ldg);
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        v0 = nr64(LDSV0(ldg));
+        v1 = nr64(LDSV1(ldg));
+        v2 = nr64(LDSV2(ldg));
+
+        if (netif_msg_intr(np))
+                printk("v0[%llx] v1[%llx] v2[%llx]\n",
+                       (unsigned long long) v0,
+                       (unsigned long long) v1,
+                       (unsigned long long) v2);
+
+        if (unlikely(!v0 && !v1 && !v2)) {
+                spin_unlock_irqrestore(&np->lock, flags);
+                return IRQ_NONE;
+        }
+
+        if (unlikely((v0 & ((u64)1 << LDN_MIF)) || v1 || v2)) {
+                int err = niu_slowpath_interrupt(np, lp);
+                if (err)
+                        goto out;
+        }
+        if (likely(v0 & ~((u64)1 << LDN_MIF)))
+                niu_schedule_napi(np, lp, v0, v1, v2);
+        else
+                niu_ldg_rearm(np, lp, 1);
+out:
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        return IRQ_HANDLED;
+}
+
+static void niu_free_rx_ring_info(struct niu *np, struct rx_ring_info *rp)
+{
+        if (rp->mbox) {
+                np->ops->free_coherent(np->device,
+                                       sizeof(struct rxdma_mailbox),
+                                       rp->mbox, rp->mbox_dma);
+                rp->mbox = NULL;
+        }
+        if (rp->rcr) {
+                np->ops->free_coherent(np->device,
+                                       MAX_RCR_RING_SIZE * sizeof(__le64),
+                                       rp->rcr, rp->rcr_dma);
+                rp->rcr = NULL;
+                rp->rcr_table_size = 0;
+                rp->rcr_index = 0;
+        }
+        if (rp->rbr) {
+                niu_rbr_free(np, rp);
+
+                np->ops->free_coherent(np->device,
+                                       MAX_RBR_RING_SIZE * sizeof(__le32),
+                                       rp->rbr, rp->rbr_dma);
+                rp->rbr = NULL;
+                rp->rbr_table_size = 0;
+                rp->rbr_index = 0;
+        }
+        kfree(rp->rxhash);
+        rp->rxhash = NULL;
+}
+
+static void niu_free_tx_ring_info(struct niu *np, struct tx_ring_info *rp)
+{
+        if (rp->mbox) {
+                np->ops->free_coherent(np->device,
+                                       sizeof(struct txdma_mailbox),
+                                       rp->mbox, rp->mbox_dma);
+                rp->mbox = NULL;
+        }
+        if (rp->descr) {
+                int i;
+
+                for (i = 0; i < MAX_TX_RING_SIZE; i++) {
+                        if (rp->tx_buffs[i].skb)
+                                (void) release_tx_packet(np, rp, i);
+                }
+
+                np->ops->free_coherent(np->device,
+                                       MAX_TX_RING_SIZE * sizeof(__le64),
+                                       rp->descr, rp->descr_dma);
+                rp->descr = NULL;
+                rp->pending = 0;
+                rp->prod = 0;
+                rp->cons = 0;
+                rp->wrap_bit = 0;
+        }
+}
+
+static void niu_free_channels(struct niu *np)
+{
+        int i;
+
+        if (np->rx_rings) {
+                for (i = 0; i < np->num_rx_rings; i++) {
+                        struct rx_ring_info *rp = &np->rx_rings[i];
+
+                        niu_free_rx_ring_info(np, rp);
+                }
+                kfree(np->rx_rings);
+                np->rx_rings = NULL;
+                np->num_rx_rings = 0;
+        }
+
+        if (np->tx_rings) {
+                for (i = 0; i < np->num_tx_rings; i++) {
+                        struct tx_ring_info *rp = &np->tx_rings[i];
+
+                        niu_free_tx_ring_info(np, rp);
+                }
+                kfree(np->tx_rings);
+                np->tx_rings = NULL;
+                np->num_tx_rings = 0;
+        }
+}
+
+static int niu_alloc_rx_ring_info(struct niu *np,
+                                  struct rx_ring_info *rp)
+{
+        BUILD_BUG_ON(sizeof(struct rxdma_mailbox) != 64);
+
+        rp->rxhash = kzalloc(MAX_RBR_RING_SIZE * sizeof(struct page *),
+                             GFP_KERNEL);
+        if (!rp->rxhash)
+                return -ENOMEM;
+
+        rp->mbox = np->ops->alloc_coherent(np->device,
+                                           sizeof(struct rxdma_mailbox),
+                                           &rp->mbox_dma, GFP_KERNEL);
+        if (!rp->mbox)
+                return -ENOMEM;
+        if ((unsigned long)rp->mbox & (64UL - 1)) {
+                dev_err(np->device, PFX "%s: Coherent alloc gives misaligned "
+                        "RXDMA mailbox %p\n", np->dev->name, rp->mbox);
+                return -EINVAL;
+        }
+
+        rp->rcr = np->ops->alloc_coherent(np->device,
+                                          MAX_RCR_RING_SIZE * sizeof(__le64),
+                                          &rp->rcr_dma, GFP_KERNEL);
+        if (!rp->rcr)
+                return -ENOMEM;
+        if ((unsigned long)rp->rcr & (64UL - 1)) {
+                dev_err(np->device, PFX "%s: Coherent alloc gives misaligned "
+                        "RXDMA RCR table %p\n", np->dev->name, rp->rcr);
+                return -EINVAL;
+        }
+        rp->rcr_table_size = MAX_RCR_RING_SIZE;
+        rp->rcr_index = 0;
+
+        rp->rbr = np->ops->alloc_coherent(np->device,
+                                          MAX_RBR_RING_SIZE * sizeof(__le32),
+                                          &rp->rbr_dma, GFP_KERNEL);
+        if (!rp->rbr)
+                return -ENOMEM;
+        if ((unsigned long)rp->rbr & (64UL - 1)) {
+                dev_err(np->device, PFX "%s: Coherent alloc gives misaligned "
+                        "RXDMA RBR table %p\n", np->dev->name, rp->rbr);
+                return -EINVAL;
+        }
+        rp->rbr_table_size = MAX_RBR_RING_SIZE;
+        rp->rbr_index = 0;
+        rp->rbr_pending = 0;
+
+        return 0;
+}
+
+static void niu_set_max_burst(struct niu *np, struct tx_ring_info *rp)
+{
+        int mtu = np->dev->mtu;
+
+        /* These values are recommended by the HW designers for fair
+         * utilization of DRR amongst the rings.
+         */
+        rp->max_burst = mtu + 32;
+        if (rp->max_burst > 4096)
+                rp->max_burst = 4096;
+}
+
+static int niu_alloc_tx_ring_info(struct niu *np,
+                                  struct tx_ring_info *rp)
+{
+        BUILD_BUG_ON(sizeof(struct txdma_mailbox) != 64);
+
+        rp->mbox = np->ops->alloc_coherent(np->device,
+                                           sizeof(struct txdma_mailbox),
+                                           &rp->mbox_dma, GFP_KERNEL);
+        if (!rp->mbox)
+                return -ENOMEM;
+        if ((unsigned long)rp->mbox & (64UL - 1)) {
+                dev_err(np->device, PFX "%s: Coherent alloc gives misaligned "
+                        "TXDMA mailbox %p\n", np->dev->name, rp->mbox);
+                return -EINVAL;
+        }
+
+        rp->descr = np->ops->alloc_coherent(np->device,
+                                            MAX_TX_RING_SIZE * sizeof(__le64),
+                                            &rp->descr_dma, GFP_KERNEL);
+        if (!rp->descr)
+                return -ENOMEM;
+        if ((unsigned long)rp->descr & (64UL - 1)) {
+                dev_err(np->device, PFX "%s: Coherent alloc gives misaligned "
+                        "TXDMA descr table %p\n", np->dev->name, rp->descr);
+                return -EINVAL;
+        }
+
+        rp->pending = MAX_TX_RING_SIZE;
+        rp->prod = 0;
+        rp->cons = 0;
+        rp->wrap_bit = 0;
+
+        /* XXX make these configurable... XXX */
+        rp->mark_freq = rp->pending / 4;
+
+        niu_set_max_burst(np, rp);
+
+        return 0;
+}
+
+static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp)
+{
+        u16 bs;
+
+        switch (PAGE_SIZE) {
+        case 4 * 1024:
+        case 8 * 1024:
+        case 16 * 1024:
+        case 32 * 1024:
+                rp->rbr_block_size = PAGE_SIZE;
+                rp->rbr_blocks_per_page = 1;
+                break;
+
+        default:
+                if (PAGE_SIZE % (32 * 1024) == 0)
+                        bs = 32 * 1024;
+                else if (PAGE_SIZE % (16 * 1024) == 0)
+                        bs = 16 * 1024;
+                else if (PAGE_SIZE % (8 * 1024) == 0)
+                        bs = 8 * 1024;
+                else if (PAGE_SIZE % (4 * 1024) == 0)
+                        bs = 4 * 1024;
+                else
+                        BUG();
+                rp->rbr_block_size = bs;
+                rp->rbr_blocks_per_page = PAGE_SIZE / bs;
+        }
+
+        rp->rbr_sizes[0] = 256;
+        rp->rbr_sizes[1] = 1024;
+        if (np->dev->mtu > ETH_DATA_LEN) {
+                switch (PAGE_SIZE) {
+                case 4 * 1024:
+                        rp->rbr_sizes[2] = 4096;
+                        break;
+
+                default:
+                        rp->rbr_sizes[2] = 8192;
+                        break;
+                }
+        } else {
+                rp->rbr_sizes[2] = 2048;
+        }
+        rp->rbr_sizes[3] = rp->rbr_block_size;
+}
+
+static int niu_alloc_channels(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        int first_rx_channel, first_tx_channel;
+        int i, port, err;
+
+        port = np->port;
+        first_rx_channel = first_tx_channel = 0;
+        for (i = 0; i < port; i++) {
+                first_rx_channel += parent->rxchan_per_port[i];
+                first_tx_channel += parent->txchan_per_port[i];
+        }
+
+        np->num_rx_rings = parent->rxchan_per_port[port];
+        np->num_tx_rings = parent->txchan_per_port[port];
+
+        np->rx_rings = kzalloc(np->num_rx_rings * sizeof(struct rx_ring_info),
+                               GFP_KERNEL);
+        err = -ENOMEM;
+        if (!np->rx_rings)
+                goto out_err;
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                rp->np = np;
+                rp->rx_channel = first_rx_channel + i;
+
+                err = niu_alloc_rx_ring_info(np, rp);
+                if (err)
+                        goto out_err;
+
+                niu_size_rbr(np, rp);
+
+                /* XXX better defaults, configurable, etc... XXX */
+                rp->nonsyn_window = 64;
+                rp->nonsyn_threshold = rp->rcr_table_size - 64;
+                rp->syn_window = 64;
+                rp->syn_threshold = rp->rcr_table_size - 64;
+                rp->rcr_pkt_threshold = 16;
+                rp->rcr_timeout = 8;
+                rp->rbr_kick_thresh = RBR_REFILL_MIN;
+                if (rp->rbr_kick_thresh < rp->rbr_blocks_per_page)
+                        rp->rbr_kick_thresh = rp->rbr_blocks_per_page;
+
+                err = niu_rbr_fill(np, rp, GFP_KERNEL);
+                if (err)
+                        return err;
+        }
+
+        np->tx_rings = kzalloc(np->num_tx_rings * sizeof(struct tx_ring_info),
+                               GFP_KERNEL);
+        err = -ENOMEM;
+        if (!np->tx_rings)
+                goto out_err;
+
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                rp->np = np;
+                rp->tx_channel = first_tx_channel + i;
+
+                err = niu_alloc_tx_ring_info(np, rp);
+                if (err)
+                        goto out_err;
+        }
+
+        return 0;
+
+out_err:
+        niu_free_channels(np);
+        return err;
+}
+
+static int niu_tx_cs_sng_poll(struct niu *np, int channel)
+{
+        int limit = 1000;
+
+        while (--limit > 0) {
+                u64 val = nr64(TX_CS(channel));
+                if (val & TX_CS_SNG_STATE)
+                        return 0;
+        }
+        return -ENODEV;
+}
+
+static int niu_tx_channel_stop(struct niu *np, int channel)
+{
+        u64 val = nr64(TX_CS(channel));
+
+        val |= TX_CS_STOP_N_GO;
+        nw64(TX_CS(channel), val);
+
+        return niu_tx_cs_sng_poll(np, channel);
+}
+
+static int niu_tx_cs_reset_poll(struct niu *np, int channel)
+{
+        int limit = 1000;
+
+        while (--limit > 0) {
+                u64 val = nr64(TX_CS(channel));
+                if (!(val & TX_CS_RST))
+                        return 0;
+        }
+        return -ENODEV;
+}
+
+static int niu_tx_channel_reset(struct niu *np, int channel)
+{
+        u64 val = nr64(TX_CS(channel));
+        int err;
+
+        val |= TX_CS_RST;
+        nw64(TX_CS(channel), val);
+
+        err = niu_tx_cs_reset_poll(np, channel);
+        if (!err)
+                nw64(TX_RING_KICK(channel), 0);
+
+        return err;
+}
+
+static int niu_tx_channel_lpage_init(struct niu *np, int channel)
+{
+        u64 val;
+
+        nw64(TX_LOG_MASK1(channel), 0);
+        nw64(TX_LOG_VAL1(channel), 0);
+        nw64(TX_LOG_MASK2(channel), 0);
+        nw64(TX_LOG_VAL2(channel), 0);
+        nw64(TX_LOG_PAGE_RELO1(channel), 0);
+        nw64(TX_LOG_PAGE_RELO2(channel), 0);
+        nw64(TX_LOG_PAGE_HDL(channel), 0);
+
+        val  = (u64)np->port << TX_LOG_PAGE_VLD_FUNC_SHIFT;
+        val |= (TX_LOG_PAGE_VLD_PAGE0 | TX_LOG_PAGE_VLD_PAGE1);
+        nw64(TX_LOG_PAGE_VLD(channel), val);
+
+        /* XXX TXDMA 32bit mode? XXX */
+
+        return 0;
+}
+
+static void niu_txc_enable_port(struct niu *np, int on)
+{
+        unsigned long flags;
+        u64 val, mask;
+
+        niu_lock_parent(np, flags);
+        val = nr64(TXC_CONTROL);
+        mask = (u64)1 << np->port;
+        if (on) {
+                val |= TXC_CONTROL_ENABLE | mask;
+        } else {
+                val &= ~mask;
+                if ((val & ~TXC_CONTROL_ENABLE) == 0)
+                        val &= ~TXC_CONTROL_ENABLE;
+        }
+        nw64(TXC_CONTROL, val);
+        niu_unlock_parent(np, flags);
+}
+
+static void niu_txc_set_imask(struct niu *np, u64 imask)
+{
+        unsigned long flags;
+        u64 val;
+
+        niu_lock_parent(np, flags);
+        val = nr64(TXC_INT_MASK);
+        val &= ~TXC_INT_MASK_VAL(np->port);
+        val |= (imask << TXC_INT_MASK_VAL_SHIFT(np->port));
+        niu_unlock_parent(np, flags);
+}
+
+static void niu_txc_port_dma_enable(struct niu *np, int on)
+{
+        u64 val = 0;
+
+        if (on) {
+                int i;
+
+                for (i = 0; i < np->num_tx_rings; i++)
+                        val |= (1 << np->tx_rings[i].tx_channel);
+        }
+        nw64(TXC_PORT_DMA(np->port), val);
+}
+
+static int niu_init_one_tx_channel(struct niu *np, struct tx_ring_info *rp)
+{
+        int err, channel = rp->tx_channel;
+        u64 val, ring_len;
+
+        err = niu_tx_channel_stop(np, channel);
+        if (err)
+                return err;
+
+        err = niu_tx_channel_reset(np, channel);
+        if (err)
+                return err;
+
+        err = niu_tx_channel_lpage_init(np, channel);
+        if (err)
+                return err;
+
+        nw64(TXC_DMA_MAX(channel), rp->max_burst);
+        nw64(TX_ENT_MSK(channel), 0);
+
+        if (rp->descr_dma & ~(TX_RNG_CFIG_STADDR_BASE |
+                              TX_RNG_CFIG_STADDR)) {
+                dev_err(np->device, PFX "%s: TX ring channel %d "
+                        "DMA addr (%llx) is not aligned.\n",
+                        np->dev->name, channel,
+                        (unsigned long long) rp->descr_dma);
+                return -EINVAL;
+        }
+
+        /* The length field in TX_RNG_CFIG is measured in 64-byte
+         * blocks.  rp->pending is the number of TX descriptors in
+         * our ring, 8 bytes each, thus we divide by 8 bytes more
+         * to get the proper value the chip wants.
+         */
+        ring_len = (rp->pending / 8);
+
+        val = ((ring_len << TX_RNG_CFIG_LEN_SHIFT) |
+               rp->descr_dma);
+        nw64(TX_RNG_CFIG(channel), val);
+
+        if (((rp->mbox_dma >> 32) & ~TXDMA_MBH_MBADDR) ||
+            ((u32)rp->mbox_dma & ~TXDMA_MBL_MBADDR)) {
+                dev_err(np->device, PFX "%s: TX ring channel %d "
+                        "MBOX addr (%llx) is has illegal bits.\n",
+                        np->dev->name, channel,
+                        (unsigned long long) rp->mbox_dma);
+                return -EINVAL;
+        }
+        nw64(TXDMA_MBH(channel), rp->mbox_dma >> 32);
+        nw64(TXDMA_MBL(channel), rp->mbox_dma & TXDMA_MBL_MBADDR);
+
+        nw64(TX_CS(channel), 0);
+
+        rp->last_pkt_cnt = 0;
+
+        return 0;
+}
+
+static void niu_init_rdc_groups(struct niu *np)
+{
+        struct niu_rdc_tables *tp = &np->parent->rdc_group_cfg[np->port];
+        int i, first_table_num = tp->first_table_num;
+
+        for (i = 0; i < tp->num_tables; i++) {
+                struct rdc_table *tbl = &tp->tables[i];
+                int this_table = first_table_num + i;
+                int slot;
+
+                for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++)
+                        nw64(RDC_TBL(this_table, slot),
+                             tbl->rxdma_channel[slot]);
+        }
+
+        nw64(DEF_RDC(np->port), np->parent->rdc_default[np->port]);
+}
+
+static void niu_init_drr_weight(struct niu *np)
+{
+        int type = phy_decode(np->parent->port_phy, np->port);
+        u64 val;
+
+        switch (type) {
+        case PORT_TYPE_10G:
+                val = PT_DRR_WEIGHT_DEFAULT_10G;
+                break;
+
+        case PORT_TYPE_1G:
+        default:
+                val = PT_DRR_WEIGHT_DEFAULT_1G;
+                break;
+        }
+        nw64(PT_DRR_WT(np->port), val);
+}
+
+static int niu_init_hostinfo(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port];
+        int i, err, num_alt = niu_num_alt_addr(np);
+        int first_rdc_table = tp->first_table_num;
+
+        err = niu_set_primary_mac_rdc_table(np, first_rdc_table, 1);
+        if (err)
+                return err;
+
+        err = niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1);
+        if (err)
+                return err;
+
+        for (i = 0; i < num_alt; i++) {
+                err = niu_set_alt_mac_rdc_table(np, i, first_rdc_table, 1);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}
+
+static int niu_rx_channel_reset(struct niu *np, int channel)
+{
+        return niu_set_and_wait_clear(np, RXDMA_CFIG1(channel),
+                                      RXDMA_CFIG1_RST, 1000, 10,
+                                      "RXDMA_CFIG1");
+}
+
+static int niu_rx_channel_lpage_init(struct niu *np, int channel)
+{
+        u64 val;
+
+        nw64(RX_LOG_MASK1(channel), 0);
+        nw64(RX_LOG_VAL1(channel), 0);
+        nw64(RX_LOG_MASK2(channel), 0);
+        nw64(RX_LOG_VAL2(channel), 0);
+        nw64(RX_LOG_PAGE_RELO1(channel), 0);
+        nw64(RX_LOG_PAGE_RELO2(channel), 0);
+        nw64(RX_LOG_PAGE_HDL(channel), 0);
+
+        val  = (u64)np->port << RX_LOG_PAGE_VLD_FUNC_SHIFT;
+        val |= (RX_LOG_PAGE_VLD_PAGE0 | RX_LOG_PAGE_VLD_PAGE1);
+        nw64(RX_LOG_PAGE_VLD(channel), val);
+
+        return 0;
+}
+
+static void niu_rx_channel_wred_init(struct niu *np, struct rx_ring_info *rp)
+{
+        u64 val;
+
+        val = (((u64)rp->nonsyn_window << RDC_RED_PARA_WIN_SHIFT) |
+               ((u64)rp->nonsyn_threshold << RDC_RED_PARA_THRE_SHIFT) |
+               ((u64)rp->syn_window << RDC_RED_PARA_WIN_SYN_SHIFT) |
+               ((u64)rp->syn_threshold << RDC_RED_PARA_THRE_SYN_SHIFT));
+        nw64(RDC_RED_PARA(rp->rx_channel), val);
+}
+
+static int niu_compute_rbr_cfig_b(struct rx_ring_info *rp, u64 *ret)
+{
+        u64 val = 0;
+
+        switch (rp->rbr_block_size) {
+        case 4 * 1024:
+                val |= (RBR_BLKSIZE_4K << RBR_CFIG_B_BLKSIZE_SHIFT);
+                break;
+        case 8 * 1024:
+                val |= (RBR_BLKSIZE_8K << RBR_CFIG_B_BLKSIZE_SHIFT);
+                break;
+        case 16 * 1024:
+                val |= (RBR_BLKSIZE_16K << RBR_CFIG_B_BLKSIZE_SHIFT);
+                break;
+        case 32 * 1024:
+                val |= (RBR_BLKSIZE_32K << RBR_CFIG_B_BLKSIZE_SHIFT);
+                break;
+        default:
+                return -EINVAL;
+        }
+        val |= RBR_CFIG_B_VLD2;
+        switch (rp->rbr_sizes[2]) {
+        case 2 * 1024:
+                val |= (RBR_BUFSZ2_2K << RBR_CFIG_B_BUFSZ2_SHIFT);
+                break;
+        case 4 * 1024:
+                val |= (RBR_BUFSZ2_4K << RBR_CFIG_B_BUFSZ2_SHIFT);
+                break;
+        case 8 * 1024:
+                val |= (RBR_BUFSZ2_8K << RBR_CFIG_B_BUFSZ2_SHIFT);
+                break;
+        case 16 * 1024:
+                val |= (RBR_BUFSZ2_16K << RBR_CFIG_B_BUFSZ2_SHIFT);
+                break;
+
+        default:
+                return -EINVAL;
+        }
+        val |= RBR_CFIG_B_VLD1;
+        switch (rp->rbr_sizes[1]) {
+        case 1 * 1024:
+                val |= (RBR_BUFSZ1_1K << RBR_CFIG_B_BUFSZ1_SHIFT);
+                break;
+        case 2 * 1024:
+                val |= (RBR_BUFSZ1_2K << RBR_CFIG_B_BUFSZ1_SHIFT);
+                break;
+        case 4 * 1024:
+                val |= (RBR_BUFSZ1_4K << RBR_CFIG_B_BUFSZ1_SHIFT);
+                break;
+        case 8 * 1024:
+                val |= (RBR_BUFSZ1_8K << RBR_CFIG_B_BUFSZ1_SHIFT);
+                break;
+
+        default:
+                return -EINVAL;
+        }
+        val |= RBR_CFIG_B_VLD0;
+        switch (rp->rbr_sizes[0]) {
+        case 256:
+                val |= (RBR_BUFSZ0_256 << RBR_CFIG_B_BUFSZ0_SHIFT);
+                break;
+        case 512:
+                val |= (RBR_BUFSZ0_512 << RBR_CFIG_B_BUFSZ0_SHIFT);
+                break;
+        case 1 * 1024:
+                val |= (RBR_BUFSZ0_1K << RBR_CFIG_B_BUFSZ0_SHIFT);
+                break;
+        case 2 * 1024:
+                val |= (RBR_BUFSZ0_2K << RBR_CFIG_B_BUFSZ0_SHIFT);
+                break;
+
+        default:
+                return -EINVAL;
+        }
+
+        *ret = val;
+        return 0;
+}
+
+static int niu_enable_rx_channel(struct niu *np, int channel, int on)
+{
+        u64 val = nr64(RXDMA_CFIG1(channel));
+        int limit;
+
+        if (on)
+                val |= RXDMA_CFIG1_EN;
+        else
+                val &= ~RXDMA_CFIG1_EN;
+        nw64(RXDMA_CFIG1(channel), val);
+
+        limit = 1000;
+        while (--limit > 0) {
+                if (nr64(RXDMA_CFIG1(channel)) & RXDMA_CFIG1_QST)
+                        break;
+                udelay(10);
+        }
+        if (limit <= 0)
+                return -ENODEV;
+        return 0;
+}
+
+static int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp)
+{
+        int err, channel = rp->rx_channel;
+        u64 val;
+
+        err = niu_rx_channel_reset(np, channel);
+        if (err)
+                return err;
+
+        err = niu_rx_channel_lpage_init(np, channel);
+        if (err)
+                return err;
+
+        niu_rx_channel_wred_init(np, rp);
+
+        nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_RBR_EMPTY);
+        nw64(RX_DMA_CTL_STAT(channel),
+             (RX_DMA_CTL_STAT_MEX |
+              RX_DMA_CTL_STAT_RCRTHRES |
+              RX_DMA_CTL_STAT_RCRTO |
+              RX_DMA_CTL_STAT_RBR_EMPTY));
+        nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32);
+        nw64(RXDMA_CFIG2(channel), (rp->mbox_dma & 0x00000000ffffffc0));
+        nw64(RBR_CFIG_A(channel),
+             ((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) |
+             (rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR)));
+        err = niu_compute_rbr_cfig_b(rp, &val);
+        if (err)
+                return err;
+        nw64(RBR_CFIG_B(channel), val);
+        nw64(RCRCFIG_A(channel),
+             ((u64)rp->rcr_table_size << RCRCFIG_A_LEN_SHIFT) |
+             (rp->rcr_dma & (RCRCFIG_A_STADDR_BASE | RCRCFIG_A_STADDR)));
+        nw64(RCRCFIG_B(channel),
+             ((u64)rp->rcr_pkt_threshold << RCRCFIG_B_PTHRES_SHIFT) |
+             RCRCFIG_B_ENTOUT |
+             ((u64)rp->rcr_timeout << RCRCFIG_B_TIMEOUT_SHIFT));
+
+        err = niu_enable_rx_channel(np, channel, 1);
+        if (err)
+                return err;
+
+        nw64(RBR_KICK(channel), rp->rbr_index);
+
+        val = nr64(RX_DMA_CTL_STAT(channel));
+        val |= RX_DMA_CTL_STAT_RBR_EMPTY;
+        nw64(RX_DMA_CTL_STAT(channel), val);
+
+        return 0;
+}
+
+static int niu_init_rx_channels(struct niu *np)
+{
+        unsigned long flags;
+        u64 seed = jiffies_64;
+        int err, i;
+
+        niu_lock_parent(np, flags);
+        nw64(RX_DMA_CK_DIV, np->parent->rxdma_clock_divider);
+        nw64(RED_RAN_INIT, RED_RAN_INIT_OPMODE | (seed & RED_RAN_INIT_VAL));
+        niu_unlock_parent(np, flags);
+
+        /* XXX RXDMA 32bit mode? XXX */
+
+        niu_init_rdc_groups(np);
+        niu_init_drr_weight(np);
+
+        err = niu_init_hostinfo(np);
+        if (err)
+                return err;
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                err = niu_init_one_rx_channel(np, rp);
+                if (err)
+                        return err;
+        }
+
+        return 0;
+}
+
+static int niu_set_ip_frag_rule(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        struct niu_classifier *cp = &np->clas;
+        struct niu_tcam_entry *tp;
+        int index, err;
+
+        /* XXX fix this allocation scheme XXX */
+        index = cp->tcam_index;
+        tp = &parent->tcam[index];
+
+        /* Note that the noport bit is the same in both ipv4 and
+         * ipv6 format TCAM entries.
+         */
+        memset(tp, 0, sizeof(*tp));
+        tp->key[1] = TCAM_V4KEY1_NOPORT;
+        tp->key_mask[1] = TCAM_V4KEY1_NOPORT;
+        tp->assoc_data = (TCAM_ASSOCDATA_TRES_USE_OFFSET |
+                          ((u64)0 << TCAM_ASSOCDATA_OFFSET_SHIFT));
+        err = tcam_write(np, index, tp->key, tp->key_mask);
+        if (err)
+                return err;
+        err = tcam_assoc_write(np, index, tp->assoc_data);
+        if (err)
+                return err;
+
+        return 0;
+}
+
+static int niu_init_classifier_hw(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        struct niu_classifier *cp = &np->clas;
+        int i, err;
+
+        nw64(H1POLY, cp->h1_init);
+        nw64(H2POLY, cp->h2_init);
+
+        err = niu_init_hostinfo(np);
+        if (err)
+                return err;
+
+        for (i = 0; i < ENET_VLAN_TBL_NUM_ENTRIES; i++) {
+                struct niu_vlan_rdc *vp = &cp->vlan_mappings[i];
+
+                vlan_tbl_write(np, i, np->port,
+                               vp->vlan_pref, vp->rdc_num);
+        }
+
+        for (i = 0; i < cp->num_alt_mac_mappings; i++) {
+                struct niu_altmac_rdc *ap = &cp->alt_mac_mappings[i];
+
+                err = niu_set_alt_mac_rdc_table(np, ap->alt_mac_num,
+                                                ap->rdc_num, ap->mac_pref);
+                if (err)
+                        return err;
+        }
+
+        for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) {
+                int index = i - CLASS_CODE_USER_PROG1;
+
+                err = niu_set_tcam_key(np, i, parent->tcam_key[index]);
+                if (err)
+                        return err;
+                err = niu_set_flow_key(np, i, parent->flow_key[index]);
+                if (err)
+                        return err;
+        }
+
+        err = niu_set_ip_frag_rule(np);
+        if (err)
+                return err;
+
+        tcam_enable(np, 1);
+
+        return 0;
+}
+
+static int niu_zcp_write(struct niu *np, int index, u64 *data)
+{
+        nw64(ZCP_RAM_DATA0, data[0]);
+        nw64(ZCP_RAM_DATA1, data[1]);
+        nw64(ZCP_RAM_DATA2, data[2]);
+        nw64(ZCP_RAM_DATA3, data[3]);
+        nw64(ZCP_RAM_DATA4, data[4]);
+        nw64(ZCP_RAM_BE, ZCP_RAM_BE_VAL);
+        nw64(ZCP_RAM_ACC,
+             (ZCP_RAM_ACC_WRITE |
+              (0 << ZCP_RAM_ACC_ZFCID_SHIFT) |
+              (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT)));
+
+        return niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY,
+                                   1000, 100);
+}
+
+static int niu_zcp_read(struct niu *np, int index, u64 *data)
+{
+        int err;
+
+        err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY,
+                                  1000, 100);
+        if (err) {
+                dev_err(np->device, PFX "%s: ZCP read busy won't clear, "
+                        "ZCP_RAM_ACC[%llx]\n", np->dev->name,
+                        (unsigned long long) nr64(ZCP_RAM_ACC));
+                return err;
+        }
+
+        nw64(ZCP_RAM_ACC,
+             (ZCP_RAM_ACC_READ |
+              (0 << ZCP_RAM_ACC_ZFCID_SHIFT) |
+              (ZCP_RAM_SEL_CFIFO(np->port) << ZCP_RAM_ACC_RAM_SEL_SHIFT)));
+
+        err = niu_wait_bits_clear(np, ZCP_RAM_ACC, ZCP_RAM_ACC_BUSY,
+                                  1000, 100);
+        if (err) {
+                dev_err(np->device, PFX "%s: ZCP read busy2 won't clear, "
+                        "ZCP_RAM_ACC[%llx]\n", np->dev->name,
+                        (unsigned long long) nr64(ZCP_RAM_ACC));
+                return err;
+        }
+
+        data[0] = nr64(ZCP_RAM_DATA0);
+        data[1] = nr64(ZCP_RAM_DATA1);
+        data[2] = nr64(ZCP_RAM_DATA2);
+        data[3] = nr64(ZCP_RAM_DATA3);
+        data[4] = nr64(ZCP_RAM_DATA4);
+
+        return 0;
+}
+
+static void niu_zcp_cfifo_reset(struct niu *np)
+{
+        u64 val = nr64(RESET_CFIFO);
+
+        val |= RESET_CFIFO_RST(np->port);
+        nw64(RESET_CFIFO, val);
+        udelay(10);
+
+        val &= ~RESET_CFIFO_RST(np->port);
+        nw64(RESET_CFIFO, val);
+}
+
+static int niu_init_zcp(struct niu *np)
+{
+        u64 data[5], rbuf[5];
+        int i, max, err;
+
+        if (np->parent->plat_type != PLAT_TYPE_NIU) {
+                if (np->port == 0 || np->port == 1)
+                        max = ATLAS_P0_P1_CFIFO_ENTRIES;
+                else
+                        max = ATLAS_P2_P3_CFIFO_ENTRIES;
+        } else
+                max = NIU_CFIFO_ENTRIES;
+
+        data[0] = 0;
+        data[1] = 0;
+        data[2] = 0;
+        data[3] = 0;
+        data[4] = 0;
+
+        for (i = 0; i < max; i++) {
+                err = niu_zcp_write(np, i, data);
+                if (err)
+                        return err;
+                err = niu_zcp_read(np, i, rbuf);
+                if (err)
+                        return err;
+        }
+
+        niu_zcp_cfifo_reset(np);
+        nw64(CFIFO_ECC(np->port), 0);
+        nw64(ZCP_INT_STAT, ZCP_INT_STAT_ALL);
+        (void) nr64(ZCP_INT_STAT);
+        nw64(ZCP_INT_MASK, ZCP_INT_MASK_ALL);
+
+        return 0;
+}
+
+static void niu_ipp_write(struct niu *np, int index, u64 *data)
+{
+        u64 val = nr64_ipp(IPP_CFIG);
+
+        nw64_ipp(IPP_CFIG, val | IPP_CFIG_DFIFO_PIO_W);
+        nw64_ipp(IPP_DFIFO_WR_PTR, index);
+        nw64_ipp(IPP_DFIFO_WR0, data[0]);
+        nw64_ipp(IPP_DFIFO_WR1, data[1]);
+        nw64_ipp(IPP_DFIFO_WR2, data[2]);
+        nw64_ipp(IPP_DFIFO_WR3, data[3]);
+        nw64_ipp(IPP_DFIFO_WR4, data[4]);
+        nw64_ipp(IPP_CFIG, val & ~IPP_CFIG_DFIFO_PIO_W);
+}
+
+static void niu_ipp_read(struct niu *np, int index, u64 *data)
+{
+        nw64_ipp(IPP_DFIFO_RD_PTR, index);
+        data[0] = nr64_ipp(IPP_DFIFO_RD0);
+        data[1] = nr64_ipp(IPP_DFIFO_RD1);
+        data[2] = nr64_ipp(IPP_DFIFO_RD2);
+        data[3] = nr64_ipp(IPP_DFIFO_RD3);
+        data[4] = nr64_ipp(IPP_DFIFO_RD4);
+}
+
+static int niu_ipp_reset(struct niu *np)
+{
+        return niu_set_and_wait_clear_ipp(np, IPP_CFIG, IPP_CFIG_SOFT_RST,
+                                          1000, 100, "IPP_CFIG");
+}
+
+static int niu_init_ipp(struct niu *np)
+{
+        u64 data[5], rbuf[5], val;
+        int i, max, err;
+
+        if (np->parent->plat_type != PLAT_TYPE_NIU) {
+                if (np->port == 0 || np->port == 1)
+                        max = ATLAS_P0_P1_DFIFO_ENTRIES;
+                else
+                        max = ATLAS_P2_P3_DFIFO_ENTRIES;
+        } else
+                max = NIU_DFIFO_ENTRIES;
+
+        data[0] = 0;
+        data[1] = 0;
+        data[2] = 0;
+        data[3] = 0;
+        data[4] = 0;
+
+        for (i = 0; i < max; i++) {
+                niu_ipp_write(np, i, data);
+                niu_ipp_read(np, i, rbuf);
+        }
+
+        (void) nr64_ipp(IPP_INT_STAT);
+        (void) nr64_ipp(IPP_INT_STAT);
+
+        err = niu_ipp_reset(np);
+        if (err)
+                return err;
+
+        (void) nr64_ipp(IPP_PKT_DIS);
+        (void) nr64_ipp(IPP_BAD_CS_CNT);
+        (void) nr64_ipp(IPP_ECC);
+
+        (void) nr64_ipp(IPP_INT_STAT);
+
+        nw64_ipp(IPP_MSK, ~IPP_MSK_ALL);
+
+        val = nr64_ipp(IPP_CFIG);
+        val &= ~IPP_CFIG_IP_MAX_PKT;
+        val |= (IPP_CFIG_IPP_ENABLE |
+                IPP_CFIG_DFIFO_ECC_EN |
+                IPP_CFIG_DROP_BAD_CRC |
+                IPP_CFIG_CKSUM_EN |
+                (0x1ffff << IPP_CFIG_IP_MAX_PKT_SHIFT));
+        nw64_ipp(IPP_CFIG, val);
+
+        return 0;
+}
+
+static void niu_init_xif_xmac(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u64 val;
+
+        val = nr64_mac(XMAC_CONFIG);
+
+        if ((np->flags & NIU_FLAGS_10G) != 0 &&
+            (np->flags & NIU_FLAGS_FIBER) != 0) {
+                if (netif_carrier_ok(np->dev)) {
+                        val |= XMAC_CONFIG_LED_POLARITY;
+                        val &= ~XMAC_CONFIG_FORCE_LED_ON;
+                } else {
+                        val |= XMAC_CONFIG_FORCE_LED_ON;
+                        val &= ~XMAC_CONFIG_LED_POLARITY;
+                }
+        }
+
+        val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC;
+
+        val |= XMAC_CONFIG_TX_OUTPUT_EN;
+
+        if (lp->loopback_mode == LOOPBACK_MAC) {
+                val &= ~XMAC_CONFIG_SEL_POR_CLK_SRC;
+                val |= XMAC_CONFIG_LOOPBACK;
+        } else {
+                val &= ~XMAC_CONFIG_LOOPBACK;
+        }
+
+        if (np->flags & NIU_FLAGS_10G) {
+                val &= ~XMAC_CONFIG_LFS_DISABLE;
+        } else {
+                val |= XMAC_CONFIG_LFS_DISABLE;
+                if (!(np->flags & NIU_FLAGS_FIBER))
+                        val |= XMAC_CONFIG_1G_PCS_BYPASS;
+                else
+                        val &= ~XMAC_CONFIG_1G_PCS_BYPASS;
+        }
+
+        val &= ~XMAC_CONFIG_10G_XPCS_BYPASS;
+
+        if (lp->active_speed == SPEED_100)
+                val |= XMAC_CONFIG_SEL_CLK_25MHZ;
+        else
+                val &= ~XMAC_CONFIG_SEL_CLK_25MHZ;
+
+        nw64_mac(XMAC_CONFIG, val);
+
+        val = nr64_mac(XMAC_CONFIG);
+        val &= ~XMAC_CONFIG_MODE_MASK;
+        if (np->flags & NIU_FLAGS_10G) {
+                val |= XMAC_CONFIG_MODE_XGMII;
+        } else {
+                if (lp->active_speed == SPEED_100)
+                        val |= XMAC_CONFIG_MODE_MII;
+                else
+                        val |= XMAC_CONFIG_MODE_GMII;
+        }
+
+        nw64_mac(XMAC_CONFIG, val);
+}
+
+static void niu_init_xif_bmac(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u64 val;
+
+        val = BMAC_XIF_CONFIG_TX_OUTPUT_EN;
+
+        if (lp->loopback_mode == LOOPBACK_MAC)
+                val |= BMAC_XIF_CONFIG_MII_LOOPBACK;
+        else
+                val &= ~BMAC_XIF_CONFIG_MII_LOOPBACK;
+
+        if (lp->active_speed == SPEED_1000)
+                val |= BMAC_XIF_CONFIG_GMII_MODE;
+        else
+                val &= ~BMAC_XIF_CONFIG_GMII_MODE;
+
+        val &= ~(BMAC_XIF_CONFIG_LINK_LED |
+                 BMAC_XIF_CONFIG_LED_POLARITY);
+
+        if (!(np->flags & NIU_FLAGS_10G) &&
+            !(np->flags & NIU_FLAGS_FIBER) &&
+            lp->active_speed == SPEED_100)
+                val |= BMAC_XIF_CONFIG_25MHZ_CLOCK;
+        else
+                val &= ~BMAC_XIF_CONFIG_25MHZ_CLOCK;
+
+        nw64_mac(BMAC_XIF_CONFIG, val);
+}
+
+static void niu_init_xif(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_init_xif_xmac(np);
+        else
+                niu_init_xif_bmac(np);
+}
+
+static void niu_pcs_mii_reset(struct niu *np)
+{
+        u64 val = nr64_pcs(PCS_MII_CTL);
+        val |= PCS_MII_CTL_RST;
+        nw64_pcs(PCS_MII_CTL, val);
+}
+
+static void niu_xpcs_reset(struct niu *np)
+{
+        u64 val = nr64_xpcs(XPCS_CONTROL1);
+        val |= XPCS_CONTROL1_RESET;
+        nw64_xpcs(XPCS_CONTROL1, val);
+}
+
+static int niu_init_pcs(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+        u64 val;
+
+        switch (np->flags & (NIU_FLAGS_10G | NIU_FLAGS_FIBER)) {
+        case NIU_FLAGS_FIBER:
+                /* 1G fiber */
+                nw64_pcs(PCS_CONF, PCS_CONF_MASK | PCS_CONF_ENABLE);
+                nw64_pcs(PCS_DPATH_MODE, 0);
+                niu_pcs_mii_reset(np);
+                break;
+
+        case NIU_FLAGS_10G:
+        case NIU_FLAGS_10G | NIU_FLAGS_FIBER:
+                if (!(np->flags & NIU_FLAGS_XMAC))
+                        return -EINVAL;
+
+                /* 10G copper or fiber */
+                val = nr64_mac(XMAC_CONFIG);
+                val &= ~XMAC_CONFIG_10G_XPCS_BYPASS;
+                nw64_mac(XMAC_CONFIG, val);
+
+                niu_xpcs_reset(np);
+
+                val = nr64_xpcs(XPCS_CONTROL1);
+                if (lp->loopback_mode == LOOPBACK_PHY)
+                        val |= XPCS_CONTROL1_LOOPBACK;
+                else
+                        val &= ~XPCS_CONTROL1_LOOPBACK;
+                nw64_xpcs(XPCS_CONTROL1, val);
+
+                nw64_xpcs(XPCS_DESKEW_ERR_CNT, 0);
+                (void) nr64_xpcs(XPCS_SYMERR_CNT01);
+                (void) nr64_xpcs(XPCS_SYMERR_CNT23);
+                break;
+
+        case 0:
+                /* 1G copper */
+                nw64_pcs(PCS_DPATH_MODE, PCS_DPATH_MODE_MII);
+                niu_pcs_mii_reset(np);
+                break;
+
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static int niu_reset_tx_xmac(struct niu *np)
+{
+        return niu_set_and_wait_clear_mac(np, XTXMAC_SW_RST,
+                                          (XTXMAC_SW_RST_REG_RS |
+                                           XTXMAC_SW_RST_SOFT_RST),
+                                          1000, 100, "XTXMAC_SW_RST");
+}
+
+static int niu_reset_tx_bmac(struct niu *np)
+{
+        int limit;
+
+        nw64_mac(BTXMAC_SW_RST, BTXMAC_SW_RST_RESET);
+        limit = 1000;
+        while (--limit >= 0) {
+                if (!(nr64_mac(BTXMAC_SW_RST) & BTXMAC_SW_RST_RESET))
+                        break;
+                udelay(100);
+        }
+        if (limit < 0) {
+                dev_err(np->device, PFX "Port %u TX BMAC would not reset, "
+                        "BTXMAC_SW_RST[%llx]\n",
+                        np->port,
+                        (unsigned long long) nr64_mac(BTXMAC_SW_RST));
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int niu_reset_tx_mac(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                return niu_reset_tx_xmac(np);
+        else
+                return niu_reset_tx_bmac(np);
+}
+
+static void niu_init_tx_xmac(struct niu *np, u64 min, u64 max)
+{
+        u64 val;
+
+        val = nr64_mac(XMAC_MIN);
+        val &= ~(XMAC_MIN_TX_MIN_PKT_SIZE |
+                 XMAC_MIN_RX_MIN_PKT_SIZE);
+        val |= (min << XMAC_MIN_RX_MIN_PKT_SIZE_SHFT);
+        val |= (min << XMAC_MIN_TX_MIN_PKT_SIZE_SHFT);
+        nw64_mac(XMAC_MIN, val);
+
+        nw64_mac(XMAC_MAX, max);
+
+        nw64_mac(XTXMAC_STAT_MSK, ~(u64)0);
+
+        val = nr64_mac(XMAC_IPG);
+        if (np->flags & NIU_FLAGS_10G) {
+                val &= ~XMAC_IPG_IPG_XGMII;
+                val |= (IPG_12_15_XGMII << XMAC_IPG_IPG_XGMII_SHIFT);
+        } else {
+                val &= ~XMAC_IPG_IPG_MII_GMII;
+                val |= (IPG_12_MII_GMII << XMAC_IPG_IPG_MII_GMII_SHIFT);
+        }
+        nw64_mac(XMAC_IPG, val);
+
+        val = nr64_mac(XMAC_CONFIG);
+        val &= ~(XMAC_CONFIG_ALWAYS_NO_CRC |
+                 XMAC_CONFIG_STRETCH_MODE |
+                 XMAC_CONFIG_VAR_MIN_IPG_EN |
+                 XMAC_CONFIG_TX_ENABLE);
+        nw64_mac(XMAC_CONFIG, val);
+
+        nw64_mac(TXMAC_FRM_CNT, 0);
+        nw64_mac(TXMAC_BYTE_CNT, 0);
+}
+
+static void niu_init_tx_bmac(struct niu *np, u64 min, u64 max)
+{
+        u64 val;
+
+        nw64_mac(BMAC_MIN_FRAME, min);
+        nw64_mac(BMAC_MAX_FRAME, max);
+
+        nw64_mac(BTXMAC_STATUS_MASK, ~(u64)0);
+        nw64_mac(BMAC_CTRL_TYPE, 0x8808);
+        nw64_mac(BMAC_PREAMBLE_SIZE, 7);
+
+        val = nr64_mac(BTXMAC_CONFIG);
+        val &= ~(BTXMAC_CONFIG_FCS_DISABLE |
+                 BTXMAC_CONFIG_ENABLE);
+        nw64_mac(BTXMAC_CONFIG, val);
+}
+
+static void niu_init_tx_mac(struct niu *np)
+{
+        u64 min, max;
+
+        min = 64;
+        if (np->dev->mtu > ETH_DATA_LEN)
+                max = 9216;
+        else
+                max = 1522;
+
+        /* The XMAC_MIN register only accepts values for TX min which
+         * have the low 3 bits cleared.
+         */
+        BUILD_BUG_ON(min & 0x7);
+
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_init_tx_xmac(np, min, max);
+        else
+                niu_init_tx_bmac(np, min, max);
+}
+
+static int niu_reset_rx_xmac(struct niu *np)
+{
+        int limit;
+
+        nw64_mac(XRXMAC_SW_RST,
+                 XRXMAC_SW_RST_REG_RS | XRXMAC_SW_RST_SOFT_RST);
+        limit = 1000;
+        while (--limit >= 0) {
+                if (!(nr64_mac(XRXMAC_SW_RST) & (XRXMAC_SW_RST_REG_RS |
+                                                 XRXMAC_SW_RST_SOFT_RST)))
+                    break;
+                udelay(100);
+        }
+        if (limit < 0) {
+                dev_err(np->device, PFX "Port %u RX XMAC would not reset, "
+                        "XRXMAC_SW_RST[%llx]\n",
+                        np->port,
+                        (unsigned long long) nr64_mac(XRXMAC_SW_RST));
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int niu_reset_rx_bmac(struct niu *np)
+{
+        int limit;
+
+        nw64_mac(BRXMAC_SW_RST, BRXMAC_SW_RST_RESET);
+        limit = 1000;
+        while (--limit >= 0) {
+                if (!(nr64_mac(BRXMAC_SW_RST) & BRXMAC_SW_RST_RESET))
+                        break;
+                udelay(100);
+        }
+        if (limit < 0) {
+                dev_err(np->device, PFX "Port %u RX BMAC would not reset, "
+                        "BRXMAC_SW_RST[%llx]\n",
+                        np->port,
+                        (unsigned long long) nr64_mac(BRXMAC_SW_RST));
+                return -ENODEV;
+        }
+
+        return 0;
+}
+
+static int niu_reset_rx_mac(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                return niu_reset_rx_xmac(np);
+        else
+                return niu_reset_rx_bmac(np);
+}
+
+static void niu_init_rx_xmac(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port];
+        int first_rdc_table = tp->first_table_num;
+        unsigned long i;
+        u64 val;
+
+        nw64_mac(XMAC_ADD_FILT0, 0);
+        nw64_mac(XMAC_ADD_FILT1, 0);
+        nw64_mac(XMAC_ADD_FILT2, 0);
+        nw64_mac(XMAC_ADD_FILT12_MASK, 0);
+        nw64_mac(XMAC_ADD_FILT00_MASK, 0);
+        for (i = 0; i < MAC_NUM_HASH; i++)
+                nw64_mac(XMAC_HASH_TBL(i), 0);
+        nw64_mac(XRXMAC_STAT_MSK, ~(u64)0);
+        niu_set_primary_mac_rdc_table(np, first_rdc_table, 1);
+        niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1);
+
+        val = nr64_mac(XMAC_CONFIG);
+        val &= ~(XMAC_CONFIG_RX_MAC_ENABLE |
+                 XMAC_CONFIG_PROMISCUOUS |
+                 XMAC_CONFIG_PROMISC_GROUP |
+                 XMAC_CONFIG_ERR_CHK_DIS |
+                 XMAC_CONFIG_RX_CRC_CHK_DIS |
+                 XMAC_CONFIG_RESERVED_MULTICAST |
+                 XMAC_CONFIG_RX_CODEV_CHK_DIS |
+                 XMAC_CONFIG_ADDR_FILTER_EN |
+                 XMAC_CONFIG_RCV_PAUSE_ENABLE |
+                 XMAC_CONFIG_STRIP_CRC |
+                 XMAC_CONFIG_PASS_FLOW_CTRL |
+                 XMAC_CONFIG_MAC2IPP_PKT_CNT_EN);
+        val |= (XMAC_CONFIG_HASH_FILTER_EN);
+        nw64_mac(XMAC_CONFIG, val);
+
+        nw64_mac(RXMAC_BT_CNT, 0);
+        nw64_mac(RXMAC_BC_FRM_CNT, 0);
+        nw64_mac(RXMAC_MC_FRM_CNT, 0);
+        nw64_mac(RXMAC_FRAG_CNT, 0);
+        nw64_mac(RXMAC_HIST_CNT1, 0);
+        nw64_mac(RXMAC_HIST_CNT2, 0);
+        nw64_mac(RXMAC_HIST_CNT3, 0);
+        nw64_mac(RXMAC_HIST_CNT4, 0);
+        nw64_mac(RXMAC_HIST_CNT5, 0);
+        nw64_mac(RXMAC_HIST_CNT6, 0);
+        nw64_mac(RXMAC_HIST_CNT7, 0);
+        nw64_mac(RXMAC_MPSZER_CNT, 0);
+        nw64_mac(RXMAC_CRC_ER_CNT, 0);
+        nw64_mac(RXMAC_CD_VIO_CNT, 0);
+        nw64_mac(LINK_FAULT_CNT, 0);
+}
+
+static void niu_init_rx_bmac(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        struct niu_rdc_tables *tp = &parent->rdc_group_cfg[np->port];
+        int first_rdc_table = tp->first_table_num;
+        unsigned long i;
+        u64 val;
+
+        nw64_mac(BMAC_ADD_FILT0, 0);
+        nw64_mac(BMAC_ADD_FILT1, 0);
+        nw64_mac(BMAC_ADD_FILT2, 0);
+        nw64_mac(BMAC_ADD_FILT12_MASK, 0);
+        nw64_mac(BMAC_ADD_FILT00_MASK, 0);
+        for (i = 0; i < MAC_NUM_HASH; i++)
+                nw64_mac(BMAC_HASH_TBL(i), 0);
+        niu_set_primary_mac_rdc_table(np, first_rdc_table, 1);
+        niu_set_multicast_mac_rdc_table(np, first_rdc_table, 1);
+        nw64_mac(BRXMAC_STATUS_MASK, ~(u64)0);
+
+        val = nr64_mac(BRXMAC_CONFIG);
+        val &= ~(BRXMAC_CONFIG_ENABLE |
+                 BRXMAC_CONFIG_STRIP_PAD |
+                 BRXMAC_CONFIG_STRIP_FCS |
+                 BRXMAC_CONFIG_PROMISC |
+                 BRXMAC_CONFIG_PROMISC_GRP |
+                 BRXMAC_CONFIG_ADDR_FILT_EN |
+                 BRXMAC_CONFIG_DISCARD_DIS);
+        val |= (BRXMAC_CONFIG_HASH_FILT_EN);
+        nw64_mac(BRXMAC_CONFIG, val);
+
+        val = nr64_mac(BMAC_ADDR_CMPEN);
+        val |= BMAC_ADDR_CMPEN_EN0;
+        nw64_mac(BMAC_ADDR_CMPEN, val);
+}
+
+static void niu_init_rx_mac(struct niu *np)
+{
+        niu_set_primary_mac(np, np->dev->dev_addr);
+
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_init_rx_xmac(np);
+        else
+                niu_init_rx_bmac(np);
+}
+
+static void niu_enable_tx_xmac(struct niu *np, int on)
+{
+        u64 val = nr64_mac(XMAC_CONFIG);
+
+        if (on)
+                val |= XMAC_CONFIG_TX_ENABLE;
+        else
+                val &= ~XMAC_CONFIG_TX_ENABLE;
+        nw64_mac(XMAC_CONFIG, val);
+}
+
+static void niu_enable_tx_bmac(struct niu *np, int on)
+{
+        u64 val = nr64_mac(BTXMAC_CONFIG);
+
+        if (on)
+                val |= BTXMAC_CONFIG_ENABLE;
+        else
+                val &= ~BTXMAC_CONFIG_ENABLE;
+        nw64_mac(BTXMAC_CONFIG, val);
+}
+
+static void niu_enable_tx_mac(struct niu *np, int on)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_enable_tx_xmac(np, on);
+        else
+                niu_enable_tx_bmac(np, on);
+}
+
+static void niu_enable_rx_xmac(struct niu *np, int on)
+{
+        u64 val = nr64_mac(XMAC_CONFIG);
+
+        val &= ~(XMAC_CONFIG_HASH_FILTER_EN |
+                 XMAC_CONFIG_PROMISCUOUS);
+
+        if (np->flags & NIU_FLAGS_MCAST)
+                val |= XMAC_CONFIG_HASH_FILTER_EN;
+        if (np->flags & NIU_FLAGS_PROMISC)
+                val |= XMAC_CONFIG_PROMISCUOUS;
+
+        if (on)
+                val |= XMAC_CONFIG_RX_MAC_ENABLE;
+        else
+                val &= ~XMAC_CONFIG_RX_MAC_ENABLE;
+        nw64_mac(XMAC_CONFIG, val);
+}
+
+static void niu_enable_rx_bmac(struct niu *np, int on)
+{
+        u64 val = nr64_mac(BRXMAC_CONFIG);
+
+        val &= ~(BRXMAC_CONFIG_HASH_FILT_EN |
+                 BRXMAC_CONFIG_PROMISC);
+
+        if (np->flags & NIU_FLAGS_MCAST)
+                val |= BRXMAC_CONFIG_HASH_FILT_EN;
+        if (np->flags & NIU_FLAGS_PROMISC)
+                val |= BRXMAC_CONFIG_PROMISC;
+
+        if (on)
+                val |= BRXMAC_CONFIG_ENABLE;
+        else
+                val &= ~BRXMAC_CONFIG_ENABLE;
+        nw64_mac(BRXMAC_CONFIG, val);
+}
+
+static void niu_enable_rx_mac(struct niu *np, int on)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_enable_rx_xmac(np, on);
+        else
+                niu_enable_rx_bmac(np, on);
+}
+
+static int niu_init_mac(struct niu *np)
+{
+        int err;
+
+        niu_init_xif(np);
+        err = niu_init_pcs(np);
+        if (err)
+                return err;
+
+        err = niu_reset_tx_mac(np);
+        if (err)
+                return err;
+        niu_init_tx_mac(np);
+        err = niu_reset_rx_mac(np);
+        if (err)
+                return err;
+        niu_init_rx_mac(np);
+
+        /* This looks hookey but the RX MAC reset we just did will
+         * undo some of the state we setup in niu_init_tx_mac() so we
+         * have to call it again.  In particular, the RX MAC reset will
+         * set the XMAC_MAX register back to it's default value.
+         */
+        niu_init_tx_mac(np);
+        niu_enable_tx_mac(np, 1);
+
+        niu_enable_rx_mac(np, 1);
+
+        return 0;
+}
+
+static void niu_stop_one_tx_channel(struct niu *np, struct tx_ring_info *rp)
+{
+        (void) niu_tx_channel_stop(np, rp->tx_channel);
+}
+
+static void niu_stop_tx_channels(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                niu_stop_one_tx_channel(np, rp);
+        }
+}
+
+static void niu_reset_one_tx_channel(struct niu *np, struct tx_ring_info *rp)
+{
+        (void) niu_tx_channel_reset(np, rp->tx_channel);
+}
+
+static void niu_reset_tx_channels(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                niu_reset_one_tx_channel(np, rp);
+        }
+}
+
+static void niu_stop_one_rx_channel(struct niu *np, struct rx_ring_info *rp)
+{
+        (void) niu_enable_rx_channel(np, rp->rx_channel, 0);
+}
+
+static void niu_stop_rx_channels(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                niu_stop_one_rx_channel(np, rp);
+        }
+}
+
+static void niu_reset_one_rx_channel(struct niu *np, struct rx_ring_info *rp)
+{
+        int channel = rp->rx_channel;
+
+        (void) niu_rx_channel_reset(np, channel);
+        nw64(RX_DMA_ENT_MSK(channel), RX_DMA_ENT_MSK_ALL);
+        nw64(RX_DMA_CTL_STAT(channel), 0);
+        (void) niu_enable_rx_channel(np, channel, 0);
+}
+
+static void niu_reset_rx_channels(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                niu_reset_one_rx_channel(np, rp);
+        }
+}
+
+static void niu_disable_ipp(struct niu *np)
+{
+        u64 rd, wr, val;
+        int limit;
+
+        rd = nr64_ipp(IPP_DFIFO_RD_PTR);
+        wr = nr64_ipp(IPP_DFIFO_WR_PTR);
+        limit = 100;
+        while (--limit >= 0 && (rd != wr)) {
+                rd = nr64_ipp(IPP_DFIFO_RD_PTR);
+                wr = nr64_ipp(IPP_DFIFO_WR_PTR);
+        }
+        if (limit < 0 &&
+            (rd != 0 && wr != 1)) {
+                dev_err(np->device, PFX "%s: IPP would not quiesce, "
+                        "rd_ptr[%llx] wr_ptr[%llx]\n",
+                        np->dev->name,
+                        (unsigned long long) nr64_ipp(IPP_DFIFO_RD_PTR),
+                        (unsigned long long) nr64_ipp(IPP_DFIFO_WR_PTR));
+        }
+
+        val = nr64_ipp(IPP_CFIG);
+        val &= ~(IPP_CFIG_IPP_ENABLE |
+                 IPP_CFIG_DFIFO_ECC_EN |
+                 IPP_CFIG_DROP_BAD_CRC |
+                 IPP_CFIG_CKSUM_EN);
+        nw64_ipp(IPP_CFIG, val);
+
+        (void) niu_ipp_reset(np);
+}
+
+static int niu_init_hw(struct niu *np)
+{
+        int i, err;
+
+        niudbg(IFUP, "%s: Initialize TXC\n", np->dev->name);
+        niu_txc_enable_port(np, 1);
+        niu_txc_port_dma_enable(np, 1);
+        niu_txc_set_imask(np, 0);
+
+        niudbg(IFUP, "%s: Initialize TX channels\n", np->dev->name);
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                err = niu_init_one_tx_channel(np, rp);
+                if (err)
+                        return err;
+        }
+
+        niudbg(IFUP, "%s: Initialize RX channels\n", np->dev->name);
+        err = niu_init_rx_channels(np);
+        if (err)
+                goto out_uninit_tx_channels;
+
+        niudbg(IFUP, "%s: Initialize classifier\n", np->dev->name);
+        err = niu_init_classifier_hw(np);
+        if (err)
+                goto out_uninit_rx_channels;
+
+        niudbg(IFUP, "%s: Initialize ZCP\n", np->dev->name);
+        err = niu_init_zcp(np);
+        if (err)
+                goto out_uninit_rx_channels;
+
+        niudbg(IFUP, "%s: Initialize IPP\n", np->dev->name);
+        err = niu_init_ipp(np);
+        if (err)
+                goto out_uninit_rx_channels;
+
+        niudbg(IFUP, "%s: Initialize MAC\n", np->dev->name);
+        err = niu_init_mac(np);
+        if (err)
+                goto out_uninit_ipp;
+
+        return 0;
+
+out_uninit_ipp:
+        niudbg(IFUP, "%s: Uninit IPP\n", np->dev->name);
+        niu_disable_ipp(np);
+
+out_uninit_rx_channels:
+        niudbg(IFUP, "%s: Uninit RX channels\n", np->dev->name);
+        niu_stop_rx_channels(np);
+        niu_reset_rx_channels(np);
+
+out_uninit_tx_channels:
+        niudbg(IFUP, "%s: Uninit TX channels\n", np->dev->name);
+        niu_stop_tx_channels(np);
+        niu_reset_tx_channels(np);
+
+        return err;
+}
+
+static void niu_stop_hw(struct niu *np)
+{
+        niudbg(IFDOWN, "%s: Disable interrupts\n", np->dev->name);
+        niu_enable_interrupts(np, 0);
+
+        niudbg(IFDOWN, "%s: Disable RX MAC\n", np->dev->name);
+        niu_enable_rx_mac(np, 0);
+
+        niudbg(IFDOWN, "%s: Disable IPP\n", np->dev->name);
+        niu_disable_ipp(np);
+
+        niudbg(IFDOWN, "%s: Stop TX channels\n", np->dev->name);
+        niu_stop_tx_channels(np);
+
+        niudbg(IFDOWN, "%s: Stop RX channels\n", np->dev->name);
+        niu_stop_rx_channels(np);
+
+        niudbg(IFDOWN, "%s: Reset TX channels\n", np->dev->name);
+        niu_reset_tx_channels(np);
+
+        niudbg(IFDOWN, "%s: Reset RX channels\n", np->dev->name);
+        niu_reset_rx_channels(np);
+}
+
+static int niu_request_irq(struct niu *np)
+{
+        int i, j, err;
+
+        err = 0;
+        for (i = 0; i < np->num_ldg; i++) {
+                struct niu_ldg *lp = &np->ldg[i];
+
+                err = request_irq(lp->irq, niu_interrupt,
+                                  IRQF_SHARED | IRQF_SAMPLE_RANDOM,
+                                  np->dev->name, lp);
+                if (err)
+                        goto out_free_irqs;
+
+        }
+
+        return 0;
+
+out_free_irqs:
+        for (j = 0; j < i; j++) {
+                struct niu_ldg *lp = &np->ldg[j];
+
+                free_irq(lp->irq, lp);
+        }
+        return err;
+}
+
+static void niu_free_irq(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_ldg; i++) {
+                struct niu_ldg *lp = &np->ldg[i];
+
+                free_irq(lp->irq, lp);
+        }
+}
+
+static void niu_enable_napi(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_ldg; i++)
+                napi_enable(&np->ldg[i].napi);
+}
+
+static void niu_disable_napi(struct niu *np)
+{
+        int i;
+
+        for (i = 0; i < np->num_ldg; i++)
+                napi_disable(&np->ldg[i].napi);
+}
+
+static int niu_open(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+        int err;
+
+        netif_carrier_off(dev);
+
+        err = niu_alloc_channels(np);
+        if (err)
+                goto out_err;
+
+        err = niu_enable_interrupts(np, 0);
+        if (err)
+                goto out_free_channels;
+
+        err = niu_request_irq(np);
+        if (err)
+                goto out_free_channels;
+
+        niu_enable_napi(np);
+
+        spin_lock_irq(&np->lock);
+
+        err = niu_init_hw(np);
+        if (!err) {
+                init_timer(&np->timer);
+                np->timer.expires = jiffies + HZ;
+                np->timer.data = (unsigned long) np;
+                np->timer.function = niu_timer;
+
+                err = niu_enable_interrupts(np, 1);
+                if (err)
+                        niu_stop_hw(np);
+        }
+
+        spin_unlock_irq(&np->lock);
+
+        if (err) {
+                niu_disable_napi(np);
+                goto out_free_irq;
+        }
+
+        netif_start_queue(dev);
+
+        if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+                netif_carrier_on(dev);
+
+        add_timer(&np->timer);
+
+        return 0;
+
+out_free_irq:
+        niu_free_irq(np);
+
+out_free_channels:
+        niu_free_channels(np);
+
+out_err:
+        return err;
+}
+
+static void niu_full_shutdown(struct niu *np, struct net_device *dev)
+{
+        cancel_work_sync(&np->reset_task);
+
+        niu_disable_napi(np);
+        netif_stop_queue(dev);
+
+        del_timer_sync(&np->timer);
+
+        spin_lock_irq(&np->lock);
+
+        niu_stop_hw(np);
+
+        spin_unlock_irq(&np->lock);
+}
+
+static int niu_close(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+
+        niu_full_shutdown(np, dev);
+
+        niu_free_irq(np);
+
+        niu_free_channels(np);
+
+        return 0;
+}
+
+static void niu_sync_xmac_stats(struct niu *np)
+{
+        struct niu_xmac_stats *mp = &np->mac_stats.xmac;
+
+        mp->tx_frames += nr64_mac(TXMAC_FRM_CNT);
+        mp->tx_bytes += nr64_mac(TXMAC_BYTE_CNT);
+
+        mp->rx_link_faults += nr64_mac(LINK_FAULT_CNT);
+        mp->rx_align_errors += nr64_mac(RXMAC_ALIGN_ERR_CNT);
+        mp->rx_frags += nr64_mac(RXMAC_FRAG_CNT);
+        mp->rx_mcasts += nr64_mac(RXMAC_MC_FRM_CNT);
+        mp->rx_bcasts += nr64_mac(RXMAC_BC_FRM_CNT);
+        mp->rx_hist_cnt1 += nr64_mac(RXMAC_HIST_CNT1);
+        mp->rx_hist_cnt2 += nr64_mac(RXMAC_HIST_CNT2);
+        mp->rx_hist_cnt3 += nr64_mac(RXMAC_HIST_CNT3);
+        mp->rx_hist_cnt4 += nr64_mac(RXMAC_HIST_CNT4);
+        mp->rx_hist_cnt5 += nr64_mac(RXMAC_HIST_CNT5);
+        mp->rx_hist_cnt6 += nr64_mac(RXMAC_HIST_CNT6);
+        mp->rx_hist_cnt7 += nr64_mac(RXMAC_HIST_CNT7);
+        mp->rx_octets += nr64_mac(RXMAC_BT_CNT);
+        mp->rx_code_violations += nr64_mac(RXMAC_CD_VIO_CNT);
+        mp->rx_len_errors += nr64_mac(RXMAC_MPSZER_CNT);
+        mp->rx_crc_errors += nr64_mac(RXMAC_CRC_ER_CNT);
+}
+
+static void niu_sync_bmac_stats(struct niu *np)
+{
+        struct niu_bmac_stats *mp = &np->mac_stats.bmac;
+
+        mp->tx_bytes += nr64_mac(BTXMAC_BYTE_CNT);
+        mp->tx_frames += nr64_mac(BTXMAC_FRM_CNT);
+
+        mp->rx_frames += nr64_mac(BRXMAC_FRAME_CNT);
+        mp->rx_align_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT);
+        mp->rx_crc_errors += nr64_mac(BRXMAC_ALIGN_ERR_CNT);
+        mp->rx_len_errors += nr64_mac(BRXMAC_CODE_VIOL_ERR_CNT);
+}
+
+static void niu_sync_mac_stats(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_sync_xmac_stats(np);
+        else
+                niu_sync_bmac_stats(np);
+}
+
+static void niu_get_rx_stats(struct niu *np)
+{
+        unsigned long pkts, dropped, errors, bytes;
+        int i;
+
+        pkts = dropped = errors = bytes = 0;
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                pkts += rp->rx_packets;
+                bytes += rp->rx_bytes;
+                dropped += rp->rx_dropped;
+                errors += rp->rx_errors;
+        }
+        np->net_stats.rx_packets = pkts;
+        np->net_stats.rx_bytes = bytes;
+        np->net_stats.rx_dropped = dropped;
+        np->net_stats.rx_errors = errors;
+}
+
+static void niu_get_tx_stats(struct niu *np)
+{
+        unsigned long pkts, errors, bytes;
+        int i;
+
+        pkts = errors = bytes = 0;
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                pkts += rp->tx_packets;
+                bytes += rp->tx_bytes;
+                errors += rp->tx_errors;
+        }
+        np->net_stats.tx_packets = pkts;
+        np->net_stats.tx_bytes = bytes;
+        np->net_stats.tx_errors = errors;
+}
+
+static struct net_device_stats *niu_get_stats(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+
+        niu_get_rx_stats(np);
+        niu_get_tx_stats(np);
+
+        return &np->net_stats;
+}
+
+static void niu_load_hash_xmac(struct niu *np, u16 *hash)
+{
+        int i;
+
+        for (i = 0; i < 16; i++)
+                nw64_mac(XMAC_HASH_TBL(i), hash[i]);
+}
+
+static void niu_load_hash_bmac(struct niu *np, u16 *hash)
+{
+        int i;
+
+        for (i = 0; i < 16; i++)
+                nw64_mac(BMAC_HASH_TBL(i), hash[i]);
+}
+
+static void niu_load_hash(struct niu *np, u16 *hash)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                niu_load_hash_xmac(np, hash);
+        else
+                niu_load_hash_bmac(np, hash);
+}
+
+static void niu_set_rx_mode(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+        int i, alt_cnt, err;
+        struct dev_addr_list *addr;
+        unsigned long flags;
+        u16 hash[16] = { 0, };
+
+        spin_lock_irqsave(&np->lock, flags);
+        niu_enable_rx_mac(np, 0);
+
+        np->flags &= ~(NIU_FLAGS_MCAST | NIU_FLAGS_PROMISC);
+        if (dev->flags & IFF_PROMISC)
+                np->flags |= NIU_FLAGS_PROMISC;
+        if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 0))
+                np->flags |= NIU_FLAGS_MCAST;
+
+        alt_cnt = dev->uc_count;
+        if (alt_cnt > niu_num_alt_addr(np)) {
+                alt_cnt = 0;
+                np->flags |= NIU_FLAGS_PROMISC;
+        }
+
+        if (alt_cnt) {
+                int index = 0;
+
+                for (addr = dev->uc_list; addr; addr = addr->next) {
+                        err = niu_set_alt_mac(np, index,
+                                              addr->da_addr);
+                        if (err)
+                                printk(KERN_WARNING PFX "%s: Error %d "
+                                       "adding alt mac %d\n",
+                                       dev->name, err, index);
+                        err = niu_enable_alt_mac(np, index, 1);
+                        if (err)
+                                printk(KERN_WARNING PFX "%s: Error %d "
+                                       "enabling alt mac %d\n",
+                                       dev->name, err, index);
+
+                        index++;
+                }
+        } else {
+                for (i = 0; i < niu_num_alt_addr(np); i++) {
+                        err = niu_enable_alt_mac(np, i, 0);
+                        if (err)
+                                printk(KERN_WARNING PFX "%s: Error %d "
+                                       "disabling alt mac %d\n",
+                                       dev->name, err, i);
+                }
+        }
+        if (dev->flags & IFF_ALLMULTI) {
+                for (i = 0; i < 16; i++)
+                        hash[i] = 0xffff;
+        } else if (dev->mc_count > 0) {
+                for (addr = dev->mc_list; addr; addr = addr->next) {
+                        u32 crc = ether_crc_le(ETH_ALEN, addr->da_addr);
+
+                        crc >>= 24;
+                        hash[crc >> 4] |= (1 << (15 - (crc & 0xf)));
+                }
+        }
+
+        if (np->flags & NIU_FLAGS_MCAST)
+                niu_load_hash(np, hash);
+
+        niu_enable_rx_mac(np, 1);
+        spin_unlock_irqrestore(&np->lock, flags);
+}
+
+static int niu_set_mac_addr(struct net_device *dev, void *p)
+{
+        struct niu *np = netdev_priv(dev);
+        struct sockaddr *addr = p;
+        unsigned long flags;
+
+        if (!is_valid_ether_addr(addr->sa_data))
+                return -EINVAL;
+
+        memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
+        if (!netif_running(dev))
+                return 0;
+
+        spin_lock_irqsave(&np->lock, flags);
+        niu_enable_rx_mac(np, 0);
+        niu_set_primary_mac(np, dev->dev_addr);
+        niu_enable_rx_mac(np, 1);
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        return 0;
+}
+
+static int niu_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+        return -EOPNOTSUPP;
+}
+
+static void niu_netif_stop(struct niu *np)
+{
+        np->dev->trans_start = jiffies; /* prevent tx timeout */
+
+        niu_disable_napi(np);
+
+        netif_tx_disable(np->dev);
+}
+
+static void niu_netif_start(struct niu *np)
+{
+        /* NOTE: unconditional netif_wake_queue is only appropriate
+         * so long as all callers are assured to have free tx slots
+         * (such as after niu_init_hw).
+         */
+        netif_wake_queue(np->dev);
+
+        niu_enable_napi(np);
+
+        niu_enable_interrupts(np, 1);
+}
+
+static void niu_reset_task(struct work_struct *work)
+{
+        struct niu *np = container_of(work, struct niu, reset_task);
+        unsigned long flags;
+        int err;
+
+        spin_lock_irqsave(&np->lock, flags);
+        if (!netif_running(np->dev)) {
+                spin_unlock_irqrestore(&np->lock, flags);
+                return;
+        }
+
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        del_timer_sync(&np->timer);
+
+        niu_netif_stop(np);
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        niu_stop_hw(np);
+
+        err = niu_init_hw(np);
+        if (!err) {
+                np->timer.expires = jiffies + HZ;
+                add_timer(&np->timer);
+                niu_netif_start(np);
+        }
+
+        spin_unlock_irqrestore(&np->lock, flags);
+}
+
+static void niu_tx_timeout(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+
+        dev_err(np->device, PFX "%s: Transmit timed out, resetting\n",
+                dev->name);
+
+        schedule_work(&np->reset_task);
+}
+
+static void niu_set_txd(struct tx_ring_info *rp, int index,
+                        u64 mapping, u64 len, u64 mark,
+                        u64 n_frags)
+{
+        __le64 *desc = &rp->descr[index];
+
+        *desc = cpu_to_le64(mark |
+                            (n_frags << TX_DESC_NUM_PTR_SHIFT) |
+                            (len << TX_DESC_TR_LEN_SHIFT) |
+                            (mapping & TX_DESC_SAD));
+}
+
+static u64 niu_compute_tx_flags(struct sk_buff *skb, struct ethhdr *ehdr,
+                                u64 pad_bytes, u64 len)
+{
+        u16 eth_proto, eth_proto_inner;
+        u64 csum_bits, l3off, ihl, ret;
+        u8 ip_proto;
+        int ipv6;
+
+        eth_proto = be16_to_cpu(ehdr->h_proto);
+        eth_proto_inner = eth_proto;
+        if (eth_proto == ETH_P_8021Q) {
+                struct vlan_ethhdr *vp = (struct vlan_ethhdr *) ehdr;
+                __be16 val = vp->h_vlan_encapsulated_proto;
+
+                eth_proto_inner = be16_to_cpu(val);
+        }
+
+        ipv6 = ihl = 0;
+        switch (skb->protocol) {
+        case __constant_htons(ETH_P_IP):
+                ip_proto = ip_hdr(skb)->protocol;
+                ihl = ip_hdr(skb)->ihl;
+                break;
+        case __constant_htons(ETH_P_IPV6):
+                ip_proto = ipv6_hdr(skb)->nexthdr;
+                ihl = (40 >> 2);
+                ipv6 = 1;
+                break;
+        default:
+                ip_proto = ihl = 0;
+                break;
+        }
+
+        csum_bits = TXHDR_CSUM_NONE;
+        if (skb->ip_summed == CHECKSUM_PARTIAL) {
+                u64 start, stuff;
+
+                csum_bits = (ip_proto == IPPROTO_TCP ?
+                             TXHDR_CSUM_TCP :
+                             (ip_proto == IPPROTO_UDP ?
+                              TXHDR_CSUM_UDP : TXHDR_CSUM_SCTP));
+
+                start = skb_transport_offset(skb) -
+                        (pad_bytes + sizeof(struct tx_pkt_hdr));
+                stuff = start + skb->csum_offset;
+
+                csum_bits |= (start / 2) << TXHDR_L4START_SHIFT;
+                csum_bits |= (stuff / 2) << TXHDR_L4STUFF_SHIFT;
+        }
+
+        l3off = skb_network_offset(skb) -
+                (pad_bytes + sizeof(struct tx_pkt_hdr));
+
+        ret = (((pad_bytes / 2) << TXHDR_PAD_SHIFT) |
+               (len << TXHDR_LEN_SHIFT) |
+               ((l3off / 2) << TXHDR_L3START_SHIFT) |
+               (ihl << TXHDR_IHL_SHIFT) |
+               ((eth_proto_inner < 1536) ? TXHDR_LLC : 0) |
+               ((eth_proto == ETH_P_8021Q) ? TXHDR_VLAN : 0) |
+               (ipv6 ? TXHDR_IP_VER : 0) |
+               csum_bits);
+
+        return ret;
+}
+
+static struct tx_ring_info *tx_ring_select(struct niu *np, struct sk_buff *skb)
+{
+        return &np->tx_rings[0];
+}
+
+static int niu_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+        unsigned long align, headroom;
+        struct tx_ring_info *rp;
+        struct tx_pkt_hdr *tp;
+        unsigned int len, nfg;
+        struct ethhdr *ehdr;
+        int prod, i, tlen;
+        u64 mapping, mrk;
+
+        rp = tx_ring_select(np, skb);
+
+        if (niu_tx_avail(rp) <= (skb_shinfo(skb)->nr_frags + 1)) {
+                netif_stop_queue(dev);
+                dev_err(np->device, PFX "%s: BUG! Tx ring full when "
+                        "queue awake!\n", dev->name);
+                rp->tx_errors++;
+                return NETDEV_TX_BUSY;
+        }
+
+        if (skb->len < ETH_ZLEN) {
+                unsigned int pad_bytes = ETH_ZLEN - skb->len;
+
+                if (skb_pad(skb, pad_bytes))
+                        goto out;
+                skb_put(skb, pad_bytes);
+        }
+
+        len = sizeof(struct tx_pkt_hdr) + 15;
+        if (skb_headroom(skb) < len) {
+                struct sk_buff *skb_new;
+
+                skb_new = skb_realloc_headroom(skb, len);
+                if (!skb_new) {
+                        rp->tx_errors++;
+                        goto out_drop;
+                }
+                kfree_skb(skb);
+                skb = skb_new;
+        }
+
+        align = ((unsigned long) skb->data & (16 - 1));
+        headroom = align + sizeof(struct tx_pkt_hdr);
+
+        ehdr = (struct ethhdr *) skb->data;
+        tp = (struct tx_pkt_hdr *) skb_push(skb, headroom);
+
+        len = skb->len - sizeof(struct tx_pkt_hdr);
+        tp->flags = cpu_to_le64(niu_compute_tx_flags(skb, ehdr, align, len));
+        tp->resv = 0;
+
+        len = skb_headlen(skb);
+        mapping = np->ops->map_single(np->device, skb->data,
+                                      len, DMA_TO_DEVICE);
+
+        prod = rp->prod;
+
+        rp->tx_buffs[prod].skb = skb;
+        rp->tx_buffs[prod].mapping = mapping;
+
+        mrk = TX_DESC_SOP;
+        if (++rp->mark_counter == rp->mark_freq) {
+                rp->mark_counter = 0;
+                mrk |= TX_DESC_MARK;
+                rp->mark_pending++;
+        }
+
+        tlen = len;
+        nfg = skb_shinfo(skb)->nr_frags;
+        while (tlen > 0) {
+                tlen -= MAX_TX_DESC_LEN;
+                nfg++;
+        }
+
+        while (len > 0) {
+                unsigned int this_len = len;
+
+                if (this_len > MAX_TX_DESC_LEN)
+                        this_len = MAX_TX_DESC_LEN;
+
+                niu_set_txd(rp, prod, mapping, this_len, mrk, nfg);
+                mrk = nfg = 0;
+
+                prod = NEXT_TX(rp, prod);
+                mapping += this_len;
+                len -= this_len;
+        }
+
+        for (i = 0; i <  skb_shinfo(skb)->nr_frags; i++) {
+                skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+                len = frag->size;
+                mapping = np->ops->map_page(np->device, frag->page,
+                                            frag->page_offset, len,
+                                            DMA_TO_DEVICE);
+
+                rp->tx_buffs[prod].skb = NULL;
+                rp->tx_buffs[prod].mapping = mapping;
+
+                niu_set_txd(rp, prod, mapping, len, 0, 0);
+
+                prod = NEXT_TX(rp, prod);
+        }
+
+        if (prod < rp->prod)
+                rp->wrap_bit ^= TX_RING_KICK_WRAP;
+        rp->prod = prod;
+
+        nw64(TX_RING_KICK(rp->tx_channel), rp->wrap_bit | (prod << 3));
+
+        if (unlikely(niu_tx_avail(rp) <= (MAX_SKB_FRAGS + 1))) {
+                netif_stop_queue(dev);
+                if (niu_tx_avail(rp) > NIU_TX_WAKEUP_THRESH(rp))
+                        netif_wake_queue(dev);
+        }
+
+        dev->trans_start = jiffies;
+
+out:
+        return NETDEV_TX_OK;
+
+out_drop:
+        rp->tx_errors++;
+        kfree_skb(skb);
+        goto out;
+}
+
+static int niu_change_mtu(struct net_device *dev, int new_mtu)
+{
+        struct niu *np = netdev_priv(dev);
+        int err, orig_jumbo, new_jumbo;
+
+        if (new_mtu < 68 || new_mtu > NIU_MAX_MTU)
+                return -EINVAL;
+
+        orig_jumbo = (dev->mtu > ETH_DATA_LEN);
+        new_jumbo = (new_mtu > ETH_DATA_LEN);
+
+        dev->mtu = new_mtu;
+
+        if (!netif_running(dev) ||
+            (orig_jumbo == new_jumbo))
+                return 0;
+
+        niu_full_shutdown(np, dev);
+
+        niu_free_channels(np);
+
+        niu_enable_napi(np);
+
+        err = niu_alloc_channels(np);
+        if (err)
+                return err;
+
+        spin_lock_irq(&np->lock);
+
+        err = niu_init_hw(np);
+        if (!err) {
+                init_timer(&np->timer);
+                np->timer.expires = jiffies + HZ;
+                np->timer.data = (unsigned long) np;
+                np->timer.function = niu_timer;
+
+                err = niu_enable_interrupts(np, 1);
+                if (err)
+                        niu_stop_hw(np);
+        }
+
+        spin_unlock_irq(&np->lock);
+
+        if (!err) {
+                netif_start_queue(dev);
+                if (np->link_config.loopback_mode != LOOPBACK_DISABLED)
+                        netif_carrier_on(dev);
+
+                add_timer(&np->timer);
+        }
+
+        return err;
+}
+
+static void niu_get_drvinfo(struct net_device *dev,
+                            struct ethtool_drvinfo *info)
+{
+        struct niu *np = netdev_priv(dev);
+        struct niu_vpd *vpd = &np->vpd;
+
+        strcpy(info->driver, DRV_MODULE_NAME);
+        strcpy(info->version, DRV_MODULE_VERSION);
+        sprintf(info->fw_version, "%d.%d",
+                vpd->fcode_major, vpd->fcode_minor);
+        if (np->parent->plat_type != PLAT_TYPE_NIU)
+                strcpy(info->bus_info, pci_name(np->pdev));
+}
+
+static int niu_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+        struct niu *np = netdev_priv(dev);
+        struct niu_link_config *lp;
+
+        lp = &np->link_config;
+
+        memset(cmd, 0, sizeof(*cmd));
+        cmd->phy_address = np->phy_addr;
+        cmd->supported = lp->supported;
+        cmd->advertising = lp->advertising;
+        cmd->autoneg = lp->autoneg;
+        cmd->speed = lp->active_speed;
+        cmd->duplex = lp->active_duplex;
+
+        return 0;
+}
+
+static int niu_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+        return -EINVAL;
+}
+
+static u32 niu_get_msglevel(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+        return np->msg_enable;
+}
+
+static void niu_set_msglevel(struct net_device *dev, u32 value)
+{
+        struct niu *np = netdev_priv(dev);
+        np->msg_enable = value;
+}
+
+static int niu_get_eeprom_len(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+
+        return np->eeprom_len;
+}
+
+static int niu_get_eeprom(struct net_device *dev,
+                          struct ethtool_eeprom *eeprom, u8 *data)
+{
+        struct niu *np = netdev_priv(dev);
+        u32 offset, len, val;
+
+        offset = eeprom->offset;
+        len = eeprom->len;
+
+        if (offset + len < offset)
+                return -EINVAL;
+        if (offset >= np->eeprom_len)
+                return -EINVAL;
+        if (offset + len > np->eeprom_len)
+                len = eeprom->len = np->eeprom_len - offset;
+
+        if (offset & 3) {
+                u32 b_offset, b_count;
+
+                b_offset = offset & 3;
+                b_count = 4 - b_offset;
+                if (b_count > len)
+                        b_count = len;
+
+                val = nr64(ESPC_NCR((offset - b_offset) / 4));
+                memcpy(data, ((char *)&val) + b_offset, b_count);
+                data += b_count;
+                len -= b_count;
+                offset += b_count;
+        }
+        while (len >= 4) {
+                val = nr64(ESPC_NCR(offset / 4));
+                memcpy(data, &val, 4);
+                data += 4;
+                len -= 4;
+                offset += 4;
+        }
+        if (len) {
+                val = nr64(ESPC_NCR(offset / 4));
+                memcpy(data, &val, len);
+        }
+        return 0;
+}
+
+static const struct {
+        const char string[ETH_GSTRING_LEN];
+} niu_xmac_stat_keys[] = {
+        { "tx_frames" },
+        { "tx_bytes" },
+        { "tx_fifo_errors" },
+        { "tx_overflow_errors" },
+        { "tx_max_pkt_size_errors" },
+        { "tx_underflow_errors" },
+        { "rx_local_faults" },
+        { "rx_remote_faults" },
+        { "rx_link_faults" },
+        { "rx_align_errors" },
+        { "rx_frags" },
+        { "rx_mcasts" },
+        { "rx_bcasts" },
+        { "rx_hist_cnt1" },
+        { "rx_hist_cnt2" },
+        { "rx_hist_cnt3" },
+        { "rx_hist_cnt4" },
+        { "rx_hist_cnt5" },
+        { "rx_hist_cnt6" },
+        { "rx_hist_cnt7" },
+        { "rx_octets" },
+        { "rx_code_violations" },
+        { "rx_len_errors" },
+        { "rx_crc_errors" },
+        { "rx_underflows" },
+        { "rx_overflows" },
+        { "pause_off_state" },
+        { "pause_on_state" },
+        { "pause_received" },
+};
+
+#define NUM_XMAC_STAT_KEYS      ARRAY_SIZE(niu_xmac_stat_keys)
+
+static const struct {
+        const char string[ETH_GSTRING_LEN];
+} niu_bmac_stat_keys[] = {
+        { "tx_underflow_errors" },
+        { "tx_max_pkt_size_errors" },
+        { "tx_bytes" },
+        { "tx_frames" },
+        { "rx_overflows" },
+        { "rx_frames" },
+        { "rx_align_errors" },
+        { "rx_crc_errors" },
+        { "rx_len_errors" },
+        { "pause_off_state" },
+        { "pause_on_state" },
+        { "pause_received" },
+};
+
+#define NUM_BMAC_STAT_KEYS      ARRAY_SIZE(niu_bmac_stat_keys)
+
+static const struct {
+        const char string[ETH_GSTRING_LEN];
+} niu_rxchan_stat_keys[] = {
+        { "rx_channel" },
+        { "rx_packets" },
+        { "rx_bytes" },
+        { "rx_dropped" },
+        { "rx_errors" },
+};
+
+#define NUM_RXCHAN_STAT_KEYS    ARRAY_SIZE(niu_rxchan_stat_keys)
+
+static const struct {
+        const char string[ETH_GSTRING_LEN];
+} niu_txchan_stat_keys[] = {
+        { "tx_channel" },
+        { "tx_packets" },
+        { "tx_bytes" },
+        { "tx_errors" },
+};
+
+#define NUM_TXCHAN_STAT_KEYS    ARRAY_SIZE(niu_txchan_stat_keys)
+
+static void niu_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+        struct niu *np = netdev_priv(dev);
+        int i;
+
+        if (stringset != ETH_SS_STATS)
+                return;
+
+        if (np->flags & NIU_FLAGS_XMAC) {
+                memcpy(data, niu_xmac_stat_keys,
+                       sizeof(niu_xmac_stat_keys));
+                data += sizeof(niu_xmac_stat_keys);
+        } else {
+                memcpy(data, niu_bmac_stat_keys,
+                       sizeof(niu_bmac_stat_keys));
+                data += sizeof(niu_bmac_stat_keys);
+        }
+        for (i = 0; i < np->num_rx_rings; i++) {
+                memcpy(data, niu_rxchan_stat_keys,
+                       sizeof(niu_rxchan_stat_keys));
+                data += sizeof(niu_rxchan_stat_keys);
+        }
+        for (i = 0; i < np->num_tx_rings; i++) {
+                memcpy(data, niu_txchan_stat_keys,
+                       sizeof(niu_txchan_stat_keys));
+                data += sizeof(niu_txchan_stat_keys);
+        }
+}
+
+static int niu_get_stats_count(struct net_device *dev)
+{
+        struct niu *np = netdev_priv(dev);
+
+        return ((np->flags & NIU_FLAGS_XMAC ?
+                 NUM_XMAC_STAT_KEYS :
+                 NUM_BMAC_STAT_KEYS) +
+                (np->num_rx_rings * NUM_RXCHAN_STAT_KEYS) +
+                (np->num_tx_rings * NUM_TXCHAN_STAT_KEYS));
+}
+
+static void niu_get_ethtool_stats(struct net_device *dev,
+                                  struct ethtool_stats *stats, u64 *data)
+{
+        struct niu *np = netdev_priv(dev);
+        int i;
+
+        niu_sync_mac_stats(np);
+        if (np->flags & NIU_FLAGS_XMAC) {
+                memcpy(data, &np->mac_stats.xmac,
+                       sizeof(struct niu_xmac_stats));
+                data += (sizeof(struct niu_xmac_stats) / sizeof(u64));
+        } else {
+                memcpy(data, &np->mac_stats.bmac,
+                       sizeof(struct niu_bmac_stats));
+                data += (sizeof(struct niu_bmac_stats) / sizeof(u64));
+        }
+        for (i = 0; i < np->num_rx_rings; i++) {
+                struct rx_ring_info *rp = &np->rx_rings[i];
+
+                data[0] = rp->rx_channel;
+                data[1] = rp->rx_packets;
+                data[2] = rp->rx_bytes;
+                data[3] = rp->rx_dropped;
+                data[4] = rp->rx_errors;
+                data += 5;
+        }
+        for (i = 0; i < np->num_tx_rings; i++) {
+                struct tx_ring_info *rp = &np->tx_rings[i];
+
+                data[0] = rp->tx_channel;
+                data[1] = rp->tx_packets;
+                data[2] = rp->tx_bytes;
+                data[3] = rp->tx_errors;
+                data += 4;
+        }
+}
+
+static u64 niu_led_state_save(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                return nr64_mac(XMAC_CONFIG);
+        else
+                return nr64_mac(BMAC_XIF_CONFIG);
+}
+
+static void niu_led_state_restore(struct niu *np, u64 val)
+{
+        if (np->flags & NIU_FLAGS_XMAC)
+                nw64_mac(XMAC_CONFIG, val);
+        else
+                nw64_mac(BMAC_XIF_CONFIG, val);
+}
+
+static void niu_force_led(struct niu *np, int on)
+{
+        u64 val, reg, bit;
+
+        if (np->flags & NIU_FLAGS_XMAC) {
+                reg = XMAC_CONFIG;
+                bit = XMAC_CONFIG_FORCE_LED_ON;
+        } else {
+                reg = BMAC_XIF_CONFIG;
+                bit = BMAC_XIF_CONFIG_LINK_LED;
+        }
+
+        val = nr64_mac(reg);
+        if (on)
+                val |= bit;
+        else
+                val &= ~bit;
+        nw64_mac(reg, val);
+}
+
+static int niu_phys_id(struct net_device *dev, u32 data)
+{
+        struct niu *np = netdev_priv(dev);
+        u64 orig_led_state;
+        int i;
+
+        if (!netif_running(dev))
+                return -EAGAIN;
+
+        if (data == 0)
+                data = 2;
+
+        orig_led_state = niu_led_state_save(np);
+        for (i = 0; i < (data * 2); i++) {
+                int on = ((i % 2) == 0);
+
+                niu_force_led(np, on);
+
+                if (msleep_interruptible(500))
+                        break;
+        }
+        niu_led_state_restore(np, orig_led_state);
+
+        return 0;
+}
+
+static const struct ethtool_ops niu_ethtool_ops = {
+        .get_drvinfo            = niu_get_drvinfo,
+        .get_link               = ethtool_op_get_link,
+        .get_msglevel           = niu_get_msglevel,
+        .set_msglevel           = niu_set_msglevel,
+        .get_eeprom_len         = niu_get_eeprom_len,
+        .get_eeprom             = niu_get_eeprom,
+        .get_settings           = niu_get_settings,
+        .set_settings           = niu_set_settings,
+        .get_strings            = niu_get_strings,
+        .get_stats_count        = niu_get_stats_count,
+        .get_ethtool_stats      = niu_get_ethtool_stats,
+        .phys_id                = niu_phys_id,
+};
+
+static int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent,
+                              int ldg, int ldn)
+{
+        if (ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX)
+                return -EINVAL;
+        if (ldn < 0 || ldn > LDN_MAX)
+                return -EINVAL;
+
+        parent->ldg_map[ldn] = ldg;
+
+        if (np->parent->plat_type == PLAT_TYPE_NIU) {
+                /* On N2 NIU, the ldn-->ldg assignments are setup and fixed by
+                 * the firmware, and we're not supposed to change them.
+                 * Validate the mapping, because if it's wrong we probably
+                 * won't get any interrupts and that's painful to debug.
+                 */
+                if (nr64(LDG_NUM(ldn)) != ldg) {
+                        dev_err(np->device, PFX "Port %u, mis-matched "
+                                "LDG assignment "
+                                "for ldn %d, should be %d is %llu\n",
+                                np->port, ldn, ldg,
+                                (unsigned long long) nr64(LDG_NUM(ldn)));
+                        return -EINVAL;
+                }
+        } else
+                nw64(LDG_NUM(ldn), ldg);
+
+        return 0;
+}
+
+static int niu_set_ldg_timer_res(struct niu *np, int res)
+{
+        if (res < 0 || res > LDG_TIMER_RES_VAL)
+                return -EINVAL;
+
+
+        nw64(LDG_TIMER_RES, res);
+
+        return 0;
+}
+
+static int niu_set_ldg_sid(struct niu *np, int ldg, int func, int vector)
+{
+        if ((ldg < NIU_LDG_MIN || ldg > NIU_LDG_MAX) ||
+            (func < 0 || func > 3) ||
+            (vector < 0 || vector > 0x1f))
+                return -EINVAL;
+
+        nw64(SID(ldg), (func << SID_FUNC_SHIFT) | vector);
+
+        return 0;
+}
+
+static int __devinit niu_pci_eeprom_read(struct niu *np, u32 addr)
+{
+        u64 frame, frame_base = (ESPC_PIO_STAT_READ_START |
+                                 (addr << ESPC_PIO_STAT_ADDR_SHIFT));
+        int limit;
+
+        if (addr > (ESPC_PIO_STAT_ADDR >> ESPC_PIO_STAT_ADDR_SHIFT))
+                return -EINVAL;
+
+        frame = frame_base;
+        nw64(ESPC_PIO_STAT, frame);
+        limit = 64;
+        do {
+                udelay(5);
+                frame = nr64(ESPC_PIO_STAT);
+                if (frame & ESPC_PIO_STAT_READ_END)
+                        break;
+        } while (limit--);
+        if (!(frame & ESPC_PIO_STAT_READ_END)) {
+                dev_err(np->device, PFX "EEPROM read timeout frame[%llx]\n",
+                        (unsigned long long) frame);
+                return -ENODEV;
+        }
+
+        frame = frame_base;
+        nw64(ESPC_PIO_STAT, frame);
+        limit = 64;
+        do {
+                udelay(5);
+                frame = nr64(ESPC_PIO_STAT);
+                if (frame & ESPC_PIO_STAT_READ_END)
+                        break;
+        } while (limit--);
+        if (!(frame & ESPC_PIO_STAT_READ_END)) {
+                dev_err(np->device, PFX "EEPROM read timeout frame[%llx]\n",
+                        (unsigned long long) frame);
+                return -ENODEV;
+        }
+
+        frame = nr64(ESPC_PIO_STAT);
+        return (frame & ESPC_PIO_STAT_DATA) >> ESPC_PIO_STAT_DATA_SHIFT;
+}
+
+static int __devinit niu_pci_eeprom_read16(struct niu *np, u32 off)
+{
+        int err = niu_pci_eeprom_read(np, off);
+        u16 val;
+
+        if (err < 0)
+                return err;
+        val = (err << 8);
+        err = niu_pci_eeprom_read(np, off + 1);
+        if (err < 0)
+                return err;
+        val |= (err & 0xff);
+
+        return val;
+}
+
+static int __devinit niu_pci_eeprom_read16_swp(struct niu *np, u32 off)
+{
+        int err = niu_pci_eeprom_read(np, off);
+        u16 val;
+
+        if (err < 0)
+                return err;
+
+        val = (err & 0xff);
+        err = niu_pci_eeprom_read(np, off + 1);
+        if (err < 0)
+                return err;
+
+        val |= (err & 0xff) << 8;
+
+        return val;
+}
+
+static int __devinit niu_pci_vpd_get_propname(struct niu *np,
+                                              u32 off,
+                                              char *namebuf,
+                                              int namebuf_len)
+{
+        int i;
+
+        for (i = 0; i < namebuf_len; i++) {
+                int err = niu_pci_eeprom_read(np, off + i);
+                if (err < 0)
+                        return err;
+                *namebuf++ = err;
+                if (!err)
+                        break;
+        }
+        if (i >= namebuf_len)
+                return -EINVAL;
+
+        return i + 1;
+}
+
+static void __devinit niu_vpd_parse_version(struct niu *np)
+{
+        struct niu_vpd *vpd = &np->vpd;
+        int len = strlen(vpd->version) + 1;
+        const char *s = vpd->version;
+        int i;
+
+        for (i = 0; i < len - 5; i++) {
+                if (!strncmp(s + i, "FCode ", 5))
+                        break;
+        }
+        if (i >= len - 5)
+                return;
+
+        s += i + 5;
+        sscanf(s, "%d.%d", &vpd->fcode_major, &vpd->fcode_minor);
+
+        niudbg(PROBE, "VPD_SCAN: FCODE major(%d) minor(%d)\n",
+               vpd->fcode_major, vpd->fcode_minor);
+        if (vpd->fcode_major > NIU_VPD_MIN_MAJOR ||
+            (vpd->fcode_major == NIU_VPD_MIN_MAJOR &&
+             vpd->fcode_minor >= NIU_VPD_MIN_MINOR))
+                np->flags |= NIU_FLAGS_VPD_VALID;
+}
+
+/* ESPC_PIO_EN_ENABLE must be set */
+static int __devinit niu_pci_vpd_scan_props(struct niu *np,
+                                            u32 start, u32 end)
+{
+        unsigned int found_mask = 0;
+#define FOUND_MASK_MODEL        0x00000001
+#define FOUND_MASK_BMODEL       0x00000002
+#define FOUND_MASK_VERS         0x00000004
+#define FOUND_MASK_MAC          0x00000008
+#define FOUND_MASK_NMAC         0x00000010
+#define FOUND_MASK_PHY          0x00000020
+#define FOUND_MASK_ALL          0x0000003f
+
+        niudbg(PROBE, "VPD_SCAN: start[%x] end[%x]\n",
+               start, end);
+        while (start < end) {
+                int len, err, instance, type, prop_len;
+                char namebuf[64];
+                u8 *prop_buf;
+                int max_len;
+
+                if (found_mask == FOUND_MASK_ALL) {
+                        niu_vpd_parse_version(np);
+                        return 1;
+                }
+
+                err = niu_pci_eeprom_read(np, start + 2);
+                if (err < 0)
+                        return err;
+                len = err;
+                start += 3;
+
+                instance = niu_pci_eeprom_read(np, start);
+                type = niu_pci_eeprom_read(np, start + 3);
+                prop_len = niu_pci_eeprom_read(np, start + 4);
+                err = niu_pci_vpd_get_propname(np, start + 5, namebuf, 64);
+                if (err < 0)
+                        return err;
+
+                prop_buf = NULL;
+                max_len = 0;
+                if (!strcmp(namebuf, "model")) {
+                        prop_buf = np->vpd.model;
+                        max_len = NIU_VPD_MODEL_MAX;
+                        found_mask |= FOUND_MASK_MODEL;
+                } else if (!strcmp(namebuf, "board-model")) {
+                        prop_buf = np->vpd.board_model;
+                        max_len = NIU_VPD_BD_MODEL_MAX;
+                        found_mask |= FOUND_MASK_BMODEL;
+                } else if (!strcmp(namebuf, "version")) {
+                        prop_buf = np->vpd.version;
+                        max_len = NIU_VPD_VERSION_MAX;
+                        found_mask |= FOUND_MASK_VERS;
+                } else if (!strcmp(namebuf, "local-mac-address")) {
+                        prop_buf = np->vpd.local_mac;
+                        max_len = ETH_ALEN;
+                        found_mask |= FOUND_MASK_MAC;
+                } else if (!strcmp(namebuf, "num-mac-addresses")) {
+                        prop_buf = &np->vpd.mac_num;
+                        max_len = 1;
+                        found_mask |= FOUND_MASK_NMAC;
+                } else if (!strcmp(namebuf, "phy-type")) {
+                        prop_buf = np->vpd.phy_type;
+                        max_len = NIU_VPD_PHY_TYPE_MAX;
+                        found_mask |= FOUND_MASK_PHY;
+                }
+
+                if (max_len && prop_len > max_len) {
+                        dev_err(np->device, PFX "Property '%s' length (%d) is "
+                                "too long.\n", namebuf, prop_len);
+                        return -EINVAL;
+                }
+
+                if (prop_buf) {
+                        u32 off = start + 5 + err;
+                        int i;
+
+                        niudbg(PROBE, "VPD_SCAN: Reading in property [%s] "
+                               "len[%d]\n", namebuf, prop_len);
+                        for (i = 0; i < prop_len; i++)
+                                *prop_buf++ = niu_pci_eeprom_read(np, off + i);
+                }
+
+                start += len;
+        }
+
+        return 0;
+}
+
+/* ESPC_PIO_EN_ENABLE must be set */
+static void __devinit niu_pci_vpd_fetch(struct niu *np, u32 start)
+{
+        u32 offset;
+        int err;
+
+        err = niu_pci_eeprom_read16_swp(np, start + 1);
+        if (err < 0)
+                return;
+
+        offset = err + 3;
+
+        while (start + offset < ESPC_EEPROM_SIZE) {
+                u32 here = start + offset;
+                u32 end;
+
+                err = niu_pci_eeprom_read(np, here);
+                if (err != 0x90)
+                        return;
+
+                err = niu_pci_eeprom_read16_swp(np, here + 1);
+                if (err < 0)
+                        return;
+
+                here = start + offset + 3;
+                end = start + offset + err;
+
+                offset += err;
+
+                err = niu_pci_vpd_scan_props(np, here, end);
+                if (err < 0 || err == 1)
+                        return;
+        }
+}
+
+/* ESPC_PIO_EN_ENABLE must be set */
+static u32 __devinit niu_pci_vpd_offset(struct niu *np)
+{
+        u32 start = 0, end = ESPC_EEPROM_SIZE, ret;
+        int err;
+
+        while (start < end) {
+                ret = start;
+
+                /* ROM header signature?  */
+                err = niu_pci_eeprom_read16(np, start +  0);
+                if (err != 0x55aa)
+                        return 0;
+
+                /* Apply offset to PCI data structure.  */
+                err = niu_pci_eeprom_read16(np, start + 23);
+                if (err < 0)
+                        return 0;
+                start += err;
+
+                /* Check for "PCIR" signature.  */
+                err = niu_pci_eeprom_read16(np, start +  0);
+                if (err != 0x5043)
+                        return 0;
+                err = niu_pci_eeprom_read16(np, start +  2);
+                if (err != 0x4952)
+                        return 0;
+
+                /* Check for OBP image type.  */
+                err = niu_pci_eeprom_read(np, start + 20);
+                if (err < 0)
+                        return 0;
+                if (err != 0x01) {
+                        err = niu_pci_eeprom_read(np, ret + 2);
+                        if (err < 0)
+                                return 0;
+
+                        start = ret + (err * 512);
+                        continue;
+                }
+
+                err = niu_pci_eeprom_read16_swp(np, start + 8);
+                if (err < 0)
+                        return err;
+                ret += err;
+
+                err = niu_pci_eeprom_read(np, ret + 0);
+                if (err != 0x82)
+                        return 0;
+
+                return ret;
+        }
+
+        return 0;
+}
+
+static int __devinit niu_phy_type_prop_decode(struct niu *np,
+                                              const char *phy_prop)
+{
+        if (!strcmp(phy_prop, "mif")) {
+                /* 1G copper, MII */
+                np->flags &= ~(NIU_FLAGS_FIBER |
+                               NIU_FLAGS_10G);
+                np->mac_xcvr = MAC_XCVR_MII;
+        } else if (!strcmp(phy_prop, "xgf")) {
+                /* 10G fiber, XPCS */
+                np->flags |= (NIU_FLAGS_10G |
+                              NIU_FLAGS_FIBER);
+                np->mac_xcvr = MAC_XCVR_XPCS;
+        } else if (!strcmp(phy_prop, "pcs")) {
+                /* 1G fiber, PCS */
+                np->flags &= ~NIU_FLAGS_10G;
+                np->flags |= NIU_FLAGS_FIBER;
+                np->mac_xcvr = MAC_XCVR_PCS;
+        } else if (!strcmp(phy_prop, "xgc")) {
+                /* 10G copper, XPCS */
+                np->flags |= NIU_FLAGS_10G;
+                np->flags &= ~NIU_FLAGS_FIBER;
+                np->mac_xcvr = MAC_XCVR_XPCS;
+        } else {
+                return -EINVAL;
+        }
+        return 0;
+}
+
+static void __devinit niu_pci_vpd_validate(struct niu *np)
+{
+        struct net_device *dev = np->dev;
+        struct niu_vpd *vpd = &np->vpd;
+        u8 val8;
+
+        if (!is_valid_ether_addr(&vpd->local_mac[0])) {
+                dev_err(np->device, PFX "VPD MAC invalid, "
+                        "falling back to SPROM.\n");
+
+                np->flags &= ~NIU_FLAGS_VPD_VALID;
+                return;
+        }
+
+        if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) {
+                dev_err(np->device, PFX "Illegal phy string [%s].\n",
+                        np->vpd.phy_type);
+                dev_err(np->device, PFX "Falling back to SPROM.\n");
+                np->flags &= ~NIU_FLAGS_VPD_VALID;
+                return;
+        }
+
+        memcpy(dev->perm_addr, vpd->local_mac, ETH_ALEN);
+
+        val8 = dev->perm_addr[5];
+        dev->perm_addr[5] += np->port;
+        if (dev->perm_addr[5] < val8)
+                dev->perm_addr[4]++;
+
+        memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len);
+}
+
+static int __devinit niu_pci_probe_sprom(struct niu *np)
+{
+        struct net_device *dev = np->dev;
+        int len, i;
+        u64 val, sum;
+        u8 val8;
+
+        val = (nr64(ESPC_VER_IMGSZ) & ESPC_VER_IMGSZ_IMGSZ);
+        val >>= ESPC_VER_IMGSZ_IMGSZ_SHIFT;
+        len = val / 4;
+
+        np->eeprom_len = len;
+
+        niudbg(PROBE, "SPROM: Image size %llu\n", (unsigned long long) val);
+
+        sum = 0;
+        for (i = 0; i < len; i++) {
+                val = nr64(ESPC_NCR(i));
+                sum += (val >>  0) & 0xff;
+                sum += (val >>  8) & 0xff;
+                sum += (val >> 16) & 0xff;
+                sum += (val >> 24) & 0xff;
+        }
+        niudbg(PROBE, "SPROM: Checksum %x\n", (int)(sum & 0xff));
+        if ((sum & 0xff) != 0xab) {
+                dev_err(np->device, PFX "Bad SPROM checksum "
+                        "(%x, should be 0xab)\n", (int) (sum & 0xff));
+                return -EINVAL;
+        }
+
+        val = nr64(ESPC_PHY_TYPE);
+        switch (np->port) {
+        case 0:
+                val = (val & ESPC_PHY_TYPE_PORT0) >>
+                        ESPC_PHY_TYPE_PORT0_SHIFT;
+                break;
+        case 1:
+                val = (val & ESPC_PHY_TYPE_PORT1) >>
+                        ESPC_PHY_TYPE_PORT1_SHIFT;
+                break;
+        case 2:
+                val = (val & ESPC_PHY_TYPE_PORT2) >>
+                        ESPC_PHY_TYPE_PORT2_SHIFT;
+                break;
+        case 3:
+                val = (val & ESPC_PHY_TYPE_PORT3) >>
+                        ESPC_PHY_TYPE_PORT3_SHIFT;
+                break;
+        default:
+                dev_err(np->device, PFX "Bogus port number %u\n",
+                        np->port);
+                return -EINVAL;
+        }
+        niudbg(PROBE, "SPROM: PHY type %llx\n", (unsigned long long) val);
+
+        switch (val) {
+        case ESPC_PHY_TYPE_1G_COPPER:
+                /* 1G copper, MII */
+                np->flags &= ~(NIU_FLAGS_FIBER |
+                               NIU_FLAGS_10G);
+                np->mac_xcvr = MAC_XCVR_MII;
+                break;
+
+        case ESPC_PHY_TYPE_1G_FIBER:
+                /* 1G fiber, PCS */
+                np->flags &= ~NIU_FLAGS_10G;
+                np->flags |= NIU_FLAGS_FIBER;
+                np->mac_xcvr = MAC_XCVR_PCS;
+                break;
+
+        case ESPC_PHY_TYPE_10G_COPPER:
+                /* 10G copper, XPCS */
+                np->flags |= NIU_FLAGS_10G;
+                np->flags &= ~NIU_FLAGS_FIBER;
+                np->mac_xcvr = MAC_XCVR_XPCS;
+                break;
+
+        case ESPC_PHY_TYPE_10G_FIBER:
+                /* 10G fiber, XPCS */
+                np->flags |= (NIU_FLAGS_10G |
+                              NIU_FLAGS_FIBER);
+                np->mac_xcvr = MAC_XCVR_XPCS;
+                break;
+
+        default:
+                dev_err(np->device, PFX "Bogus SPROM phy type %llu\n",
+                        (unsigned long long) val);
+                return -EINVAL;
+        }
+
+        val = nr64(ESPC_MAC_ADDR0);
+        niudbg(PROBE, "SPROM: MAC_ADDR0[%08llx]\n",
+               (unsigned long long) val);
+        dev->perm_addr[0] = (val >>  0) & 0xff;
+        dev->perm_addr[1] = (val >>  8) & 0xff;
+        dev->perm_addr[2] = (val >> 16) & 0xff;
+        dev->perm_addr[3] = (val >> 24) & 0xff;
+
+        val = nr64(ESPC_MAC_ADDR1);
+        niudbg(PROBE, "SPROM: MAC_ADDR1[%08llx]\n",
+               (unsigned long long) val);
+        dev->perm_addr[4] = (val >>  0) & 0xff;
+        dev->perm_addr[5] = (val >>  8) & 0xff;
+
+        if (!is_valid_ether_addr(&dev->perm_addr[0])) {
+                dev_err(np->device, PFX "SPROM MAC address invalid\n");
+                dev_err(np->device, PFX "[ \n");
+                for (i = 0; i < 6; i++)
+                        printk("%02x ", dev->perm_addr[i]);
+                printk("]\n");
+                return -EINVAL;
+        }
+
+        val8 = dev->perm_addr[5];
+        dev->perm_addr[5] += np->port;
+        if (dev->perm_addr[5] < val8)
+                dev->perm_addr[4]++;
+
+        memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len);
+
+        val = nr64(ESPC_MOD_STR_LEN);
+        niudbg(PROBE, "SPROM: MOD_STR_LEN[%llu]\n",
+               (unsigned long long) val);
+        if (val > 8 * 4)
+                return -EINVAL;
+
+        for (i = 0; i < val; i += 4) {
+                u64 tmp = nr64(ESPC_NCR(5 + (i / 4)));
+
+                np->vpd.model[i + 3] = (tmp >>  0) & 0xff;
+                np->vpd.model[i + 2] = (tmp >>  8) & 0xff;
+                np->vpd.model[i + 1] = (tmp >> 16) & 0xff;
+                np->vpd.model[i + 0] = (tmp >> 24) & 0xff;
+        }
+        np->vpd.model[val] = '\0';
+
+        val = nr64(ESPC_BD_MOD_STR_LEN);
+        niudbg(PROBE, "SPROM: BD_MOD_STR_LEN[%llu]\n",
+               (unsigned long long) val);
+        if (val > 4 * 4)
+                return -EINVAL;
+
+        for (i = 0; i < val; i += 4) {
+                u64 tmp = nr64(ESPC_NCR(14 + (i / 4)));
+
+                np->vpd.board_model[i + 3] = (tmp >>  0) & 0xff;
+                np->vpd.board_model[i + 2] = (tmp >>  8) & 0xff;
+                np->vpd.board_model[i + 1] = (tmp >> 16) & 0xff;
+                np->vpd.board_model[i + 0] = (tmp >> 24) & 0xff;
+        }
+        np->vpd.board_model[val] = '\0';
+
+        np->vpd.mac_num =
+                nr64(ESPC_NUM_PORTS_MACS) & ESPC_NUM_PORTS_MACS_VAL;
+        niudbg(PROBE, "SPROM: NUM_PORTS_MACS[%d]\n",
+               np->vpd.mac_num);
+
+        return 0;
+}
+
+static int __devinit niu_get_and_validate_port(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+
+        if (np->port <= 1)
+                np->flags |= NIU_FLAGS_XMAC;
+
+        if (!parent->num_ports) {
+                if (parent->plat_type == PLAT_TYPE_NIU) {
+                        parent->num_ports = 2;
+                } else {
+                        parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) &
+                                ESPC_NUM_PORTS_MACS_VAL;
+
+                        if (!parent->num_ports)
+                                parent->num_ports = 4;
+                }
+        }
+
+        niudbg(PROBE, "niu_get_and_validate_port: port[%d] num_ports[%d]\n",
+               np->port, parent->num_ports);
+        if (np->port >= parent->num_ports)
+                return -ENODEV;
+
+        return 0;
+}
+
+static int __devinit phy_record(struct niu_parent *parent,
+                                struct phy_probe_info *p,
+                                int dev_id_1, int dev_id_2, u8 phy_port,
+                                int type)
+{
+        u32 id = (dev_id_1 << 16) | dev_id_2;
+        u8 idx;
+
+        if (dev_id_1 < 0 || dev_id_2 < 0)
+                return 0;
+        if (type == PHY_TYPE_PMA_PMD || type == PHY_TYPE_PCS) {
+                if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM8704)
+                        return 0;
+        } else {
+                if ((id & NIU_PHY_ID_MASK) != NIU_PHY_ID_BCM5464R)
+                        return 0;
+        }
+
+        pr_info("niu%d: Found PHY %08x type %s at phy_port %u\n",
+                parent->index, id,
+                (type == PHY_TYPE_PMA_PMD ?
+                 "PMA/PMD" :
+                 (type == PHY_TYPE_PCS ?
+                  "PCS" : "MII")),
+                phy_port);
+
+        if (p->cur[type] >= NIU_MAX_PORTS) {
+                printk(KERN_ERR PFX "Too many PHY ports.\n");
+                return -EINVAL;
+        }
+        idx = p->cur[type];
+        p->phy_id[type][idx] = id;
+        p->phy_port[type][idx] = phy_port;
+        p->cur[type] = idx + 1;
+        return 0;
+}
+
+static int __devinit port_has_10g(struct phy_probe_info *p, int port)
+{
+        int i;
+
+        for (i = 0; i < p->cur[PHY_TYPE_PMA_PMD]; i++) {
+                if (p->phy_port[PHY_TYPE_PMA_PMD][i] == port)
+                        return 1;
+        }
+        for (i = 0; i < p->cur[PHY_TYPE_PCS]; i++) {
+                if (p->phy_port[PHY_TYPE_PCS][i] == port)
+                        return 1;
+        }
+
+        return 0;
+}
+
+static int __devinit count_10g_ports(struct phy_probe_info *p, int *lowest)
+{
+        int port, cnt;
+
+        cnt = 0;
+        *lowest = 32;
+        for (port = 8; port < 32; port++) {
+                if (port_has_10g(p, port)) {
+                        if (!cnt)
+                                *lowest = port;
+                        cnt++;
+                }
+        }
+
+        return cnt;
+}
+
+static int __devinit count_1g_ports(struct phy_probe_info *p, int *lowest)
+{
+        *lowest = 32;
+        if (p->cur[PHY_TYPE_MII])
+                *lowest = p->phy_port[PHY_TYPE_MII][0];
+
+        return p->cur[PHY_TYPE_MII];
+}
+
+static void __devinit niu_n2_divide_channels(struct niu_parent *parent)
+{
+        int num_ports = parent->num_ports;
+        int i;
+
+        for (i = 0; i < num_ports; i++) {
+                parent->rxchan_per_port[i] = (16 / num_ports);
+                parent->txchan_per_port[i] = (16 / num_ports);
+
+                pr_info(PFX "niu%d: Port %u [%u RX chans] "
+                        "[%u TX chans]\n",
+                        parent->index, i,
+                        parent->rxchan_per_port[i],
+                        parent->txchan_per_port[i]);
+        }
+}
+
+static void __devinit niu_divide_channels(struct niu_parent *parent,
+                                          int num_10g, int num_1g)
+{
+        int num_ports = parent->num_ports;
+        int rx_chans_per_10g, rx_chans_per_1g;
+        int tx_chans_per_10g, tx_chans_per_1g;
+        int i, tot_rx, tot_tx;
+
+        if (!num_10g || !num_1g) {
+                rx_chans_per_10g = rx_chans_per_1g =
+                        (NIU_NUM_RXCHAN / num_ports);
+                tx_chans_per_10g = tx_chans_per_1g =
+                        (NIU_NUM_TXCHAN / num_ports);
+        } else {
+                rx_chans_per_1g = NIU_NUM_RXCHAN / 8;
+                rx_chans_per_10g = (NIU_NUM_RXCHAN -
+                                    (rx_chans_per_1g * num_1g)) /
+                        num_10g;
+
+                tx_chans_per_1g = NIU_NUM_TXCHAN / 6;
+                tx_chans_per_10g = (NIU_NUM_TXCHAN -
+                                    (tx_chans_per_1g * num_1g)) /
+                        num_10g;
+        }
+
+        tot_rx = tot_tx = 0;
+        for (i = 0; i < num_ports; i++) {
+                int type = phy_decode(parent->port_phy, i);
+
+                if (type == PORT_TYPE_10G) {
+                        parent->rxchan_per_port[i] = rx_chans_per_10g;
+                        parent->txchan_per_port[i] = tx_chans_per_10g;
+                } else {
+                        parent->rxchan_per_port[i] = rx_chans_per_1g;
+                        parent->txchan_per_port[i] = tx_chans_per_1g;
+                }
+                pr_info(PFX "niu%d: Port %u [%u RX chans] "
+                        "[%u TX chans]\n",
+                        parent->index, i,
+                        parent->rxchan_per_port[i],
+                        parent->txchan_per_port[i]);
+                tot_rx += parent->rxchan_per_port[i];
+                tot_tx += parent->txchan_per_port[i];
+        }
+
+        if (tot_rx > NIU_NUM_RXCHAN) {
+                printk(KERN_ERR PFX "niu%d: Too many RX channels (%d), "
+                       "resetting to one per port.\n",
+                       parent->index, tot_rx);
+                for (i = 0; i < num_ports; i++)
+                        parent->rxchan_per_port[i] = 1;
+        }
+        if (tot_tx > NIU_NUM_TXCHAN) {
+                printk(KERN_ERR PFX "niu%d: Too many TX channels (%d), "
+                       "resetting to one per port.\n",
+                       parent->index, tot_tx);
+                for (i = 0; i < num_ports; i++)
+                        parent->txchan_per_port[i] = 1;
+        }
+        if (tot_rx < NIU_NUM_RXCHAN || tot_tx < NIU_NUM_TXCHAN) {
+                printk(KERN_WARNING PFX "niu%d: Driver bug, wasted channels, "
+                       "RX[%d] TX[%d]\n",
+                       parent->index, tot_rx, tot_tx);
+        }
+}
+
+static void __devinit niu_divide_rdc_groups(struct niu_parent *parent,
+                                            int num_10g, int num_1g)
+{
+        int i, num_ports = parent->num_ports;
+        int rdc_group, rdc_groups_per_port;
+        int rdc_channel_base;
+
+        rdc_group = 0;
+        rdc_groups_per_port = NIU_NUM_RDC_TABLES / num_ports;
+
+        rdc_channel_base = 0;
+
+        for (i = 0; i < num_ports; i++) {
+                struct niu_rdc_tables *tp = &parent->rdc_group_cfg[i];
+                int grp, num_channels = parent->rxchan_per_port[i];
+                int this_channel_offset;
+
+                tp->first_table_num = rdc_group;
+                tp->num_tables = rdc_groups_per_port;
+                this_channel_offset = 0;
+                for (grp = 0; grp < tp->num_tables; grp++) {
+                        struct rdc_table *rt = &tp->tables[grp];
+                        int slot;
+
+                        pr_info(PFX "niu%d: Port %d RDC tbl(%d) [ ",
+                                parent->index, i, tp->first_table_num + grp);
+                        for (slot = 0; slot < NIU_RDC_TABLE_SLOTS; slot++) {
+                                rt->rxdma_channel[slot] =
+                                        rdc_channel_base + this_channel_offset;
+
+                                printk("%d ", rt->rxdma_channel[slot]);
+
+                                if (++this_channel_offset == num_channels)
+                                        this_channel_offset = 0;
+                        }
+                        printk("]\n");
+                }
+
+                parent->rdc_default[i] = rdc_channel_base;
+
+                rdc_channel_base += num_channels;
+                rdc_group += rdc_groups_per_port;
+        }
+}
+
+static int __devinit fill_phy_probe_info(struct niu *np,
+                                         struct niu_parent *parent,
+                                         struct phy_probe_info *info)
+{
+        unsigned long flags;
+        int port, err;
+
+        memset(info, 0, sizeof(*info));
+
+        /* Port 0 to 7 are reserved for onboard Serdes, probe the rest.  */
+        niu_lock_parent(np, flags);
+        err = 0;
+        for (port = 8; port < 32; port++) {
+                int dev_id_1, dev_id_2;
+
+                dev_id_1 = mdio_read(np, port,
+                                     NIU_PMA_PMD_DEV_ADDR, MII_PHYSID1);
+                dev_id_2 = mdio_read(np, port,
+                                     NIU_PMA_PMD_DEV_ADDR, MII_PHYSID2);
+                err = phy_record(parent, info, dev_id_1, dev_id_2, port,
+                                 PHY_TYPE_PMA_PMD);
+                if (err)
+                        break;
+                dev_id_1 = mdio_read(np, port,
+                                     NIU_PCS_DEV_ADDR, MII_PHYSID1);
+                dev_id_2 = mdio_read(np, port,
+                                     NIU_PCS_DEV_ADDR, MII_PHYSID2);
+                err = phy_record(parent, info, dev_id_1, dev_id_2, port,
+                                 PHY_TYPE_PCS);
+                if (err)
+                        break;
+                dev_id_1 = mii_read(np, port, MII_PHYSID1);
+                dev_id_2 = mii_read(np, port, MII_PHYSID2);
+                err = phy_record(parent, info, dev_id_1, dev_id_2, port,
+                                 PHY_TYPE_MII);
+                if (err)
+                        break;
+        }
+        niu_unlock_parent(np, flags);
+
+        return err;
+}
+
+static int __devinit walk_phys(struct niu *np, struct niu_parent *parent)
+{
+        struct phy_probe_info *info = &parent->phy_probe_info;
+        int lowest_10g, lowest_1g;
+        int num_10g, num_1g;
+        u32 val;
+        int err;
+
+        err = fill_phy_probe_info(np, parent, info);
+        if (err)
+                return err;
+
+        num_10g = count_10g_ports(info, &lowest_10g);
+        num_1g = count_1g_ports(info, &lowest_1g);
+
+        switch ((num_10g << 4) | num_1g) {
+        case 0x24:
+                if (lowest_1g == 10)
+                        parent->plat_type = PLAT_TYPE_VF_P0;
+                else if (lowest_1g == 26)
+                        parent->plat_type = PLAT_TYPE_VF_P1;
+                else
+                        goto unknown_vg_1g_port;
+
+                /* fallthru */
+        case 0x22:
+                val = (phy_encode(PORT_TYPE_10G, 0) |
+                       phy_encode(PORT_TYPE_10G, 1) |
+                       phy_encode(PORT_TYPE_1G, 2) |
+                       phy_encode(PORT_TYPE_1G, 3));
+                break;
+
+        case 0x20:
+                val = (phy_encode(PORT_TYPE_10G, 0) |
+                       phy_encode(PORT_TYPE_10G, 1));
+                break;
+
+        case 0x10:
+                val = phy_encode(PORT_TYPE_10G, np->port);
+                break;
+
+        case 0x14:
+                if (lowest_1g == 10)
+                        parent->plat_type = PLAT_TYPE_VF_P0;
+                else if (lowest_1g == 26)
+                        parent->plat_type = PLAT_TYPE_VF_P1;
+                else
+                        goto unknown_vg_1g_port;
+
+                /* fallthru */
+        case 0x13:
+                if ((lowest_10g & 0x7) == 0)
+                        val = (phy_encode(PORT_TYPE_10G, 0) |
+                               phy_encode(PORT_TYPE_1G, 1) |
+                               phy_encode(PORT_TYPE_1G, 2) |
+                               phy_encode(PORT_TYPE_1G, 3));
+                else
+                        val = (phy_encode(PORT_TYPE_1G, 0) |
+                               phy_encode(PORT_TYPE_10G, 1) |
+                               phy_encode(PORT_TYPE_1G, 2) |
+                               phy_encode(PORT_TYPE_1G, 3));
+                break;
+
+        case 0x04:
+                if (lowest_1g == 10)
+                        parent->plat_type = PLAT_TYPE_VF_P0;
+                else if (lowest_1g == 26)
+                        parent->plat_type = PLAT_TYPE_VF_P1;
+                else
+                        goto unknown_vg_1g_port;
+
+                val = (phy_encode(PORT_TYPE_1G, 0) |
+                       phy_encode(PORT_TYPE_1G, 1) |
+                       phy_encode(PORT_TYPE_1G, 2) |
+                       phy_encode(PORT_TYPE_1G, 3));
+                break;
+
+        default:
+                printk(KERN_ERR PFX "Unsupported port config "
+                       "10G[%d] 1G[%d]\n",
+                       num_10g, num_1g);
+                return -EINVAL;
+        }
+
+        parent->port_phy = val;
+
+        if (parent->plat_type == PLAT_TYPE_NIU)
+                niu_n2_divide_channels(parent);
+        else
+                niu_divide_channels(parent, num_10g, num_1g);
+
+        niu_divide_rdc_groups(parent, num_10g, num_1g);
+
+        return 0;
+
+unknown_vg_1g_port:
+        printk(KERN_ERR PFX "Cannot identify platform type, 1gport=%d\n",
+               lowest_1g);
+        return -EINVAL;
+}
+
+static int __devinit niu_probe_ports(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        int err, i;
+
+        niudbg(PROBE, "niu_probe_ports(): port_phy[%08x]\n",
+               parent->port_phy);
+
+        if (parent->port_phy == PORT_PHY_UNKNOWN) {
+                err = walk_phys(np, parent);
+                if (err)
+                        return err;
+
+                niu_set_ldg_timer_res(np, 2);
+                for (i = 0; i <= LDN_MAX; i++)
+                        niu_ldn_irq_enable(np, i, 0);
+        }
+
+        if (parent->port_phy == PORT_PHY_INVALID)
+                return -EINVAL;
+
+        return 0;
+}
+
+static int __devinit niu_classifier_swstate_init(struct niu *np)
+{
+        struct niu_classifier *cp = &np->clas;
+
+        niudbg(PROBE, "niu_classifier_swstate_init: num_tcam(%d)\n",
+               np->parent->tcam_num_entries);
+
+        cp->tcam_index = (u16) np->port;
+        cp->h1_init = 0xffffffff;
+        cp->h2_init = 0xffff;
+
+        return fflp_early_init(np);
+}
+
+static void __devinit niu_link_config_init(struct niu *np)
+{
+        struct niu_link_config *lp = &np->link_config;
+
+        lp->advertising = (ADVERTISED_10baseT_Half |
+                           ADVERTISED_10baseT_Full |
+                           ADVERTISED_100baseT_Half |
+                           ADVERTISED_100baseT_Full |
+                           ADVERTISED_1000baseT_Half |
+                           ADVERTISED_1000baseT_Full |
+                           ADVERTISED_10000baseT_Full |
+                           ADVERTISED_Autoneg);
+        lp->speed = lp->active_speed = SPEED_INVALID;
+        lp->duplex = lp->active_duplex = DUPLEX_INVALID;
+#if 0
+        lp->loopback_mode = LOOPBACK_MAC;
+        lp->active_speed = SPEED_10000;
+        lp->active_duplex = DUPLEX_FULL;
+#else
+        lp->loopback_mode = LOOPBACK_DISABLED;
+#endif
+}
+
+static int __devinit niu_init_mac_ipp_pcs_base(struct niu *np)
+{
+        switch (np->port) {
+        case 0:
+                np->mac_regs = np->regs + XMAC_PORT0_OFF;
+                np->ipp_off  = 0x00000;
+                np->pcs_off  = 0x04000;
+                np->xpcs_off = 0x02000;
+                break;
+
+        case 1:
+                np->mac_regs = np->regs + XMAC_PORT1_OFF;
+                np->ipp_off  = 0x08000;
+                np->pcs_off  = 0x0a000;
+                np->xpcs_off = 0x08000;
+                break;
+
+        case 2:
+                np->mac_regs = np->regs + BMAC_PORT2_OFF;
+                np->ipp_off  = 0x04000;
+                np->pcs_off  = 0x0e000;
+                np->xpcs_off = ~0UL;
+                break;
+
+        case 3:
+                np->mac_regs = np->regs + BMAC_PORT3_OFF;
+                np->ipp_off  = 0x0c000;
+                np->pcs_off  = 0x12000;
+                np->xpcs_off = ~0UL;
+                break;
+
+        default:
+                dev_err(np->device, PFX "Port %u is invalid, cannot "
+                        "compute MAC block offset.\n", np->port);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static void __devinit niu_try_msix(struct niu *np, u8 *ldg_num_map)
+{
+        struct msix_entry msi_vec[NIU_NUM_LDG];
+        struct niu_parent *parent = np->parent;
+        struct pci_dev *pdev = np->pdev;
+        int i, num_irqs, err;
+        u8 first_ldg;
+
+        first_ldg = (NIU_NUM_LDG / parent->num_ports) * np->port;
+        for (i = 0; i < (NIU_NUM_LDG / parent->num_ports); i++)
+                ldg_num_map[i] = first_ldg + i;
+
+        num_irqs = (parent->rxchan_per_port[np->port] +
+                    parent->txchan_per_port[np->port] +
+                    (np->port == 0 ? 3 : 1));
+        BUG_ON(num_irqs > (NIU_NUM_LDG / parent->num_ports));
+
+retry:
+        for (i = 0; i < num_irqs; i++) {
+                msi_vec[i].vector = 0;
+                msi_vec[i].entry = i;
+        }
+
+        err = pci_enable_msix(pdev, msi_vec, num_irqs);
+        if (err < 0) {
+                np->flags &= ~NIU_FLAGS_MSIX;
+                return;
+        }
+        if (err > 0) {
+                num_irqs = err;
+                goto retry;
+        }
+
+        np->flags |= NIU_FLAGS_MSIX;
+        for (i = 0; i < num_irqs; i++)
+                np->ldg[i].irq = msi_vec[i].vector;
+        np->num_ldg = num_irqs;
+}
+
+static int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map)
+{
+#ifdef CONFIG_SPARC64
+        struct of_device *op = np->op;
+        const u32 *int_prop;
+        int i;
+
+        int_prop = of_get_property(op->node, "interrupts", NULL);
+        if (!int_prop)
+                return -ENODEV;
+
+        for (i = 0; i < op->num_irqs; i++) {
+                ldg_num_map[i] = int_prop[i];
+                np->ldg[i].irq = op->irqs[i];
+        }
+
+        np->num_ldg = op->num_irqs;
+
+        return 0;
+#else
+        return -EINVAL;
+#endif
+}
+
+static int __devinit niu_ldg_init(struct niu *np)
+{
+        struct niu_parent *parent = np->parent;
+        u8 ldg_num_map[NIU_NUM_LDG];
+        int first_chan, num_chan;
+        int i, err, ldg_rotor;
+        u8 port;
+
+        np->num_ldg = 1;
+        np->ldg[0].irq = np->dev->irq;
+        if (parent->plat_type == PLAT_TYPE_NIU) {
+                err = niu_n2_irq_init(np, ldg_num_map);
+                if (err)
+                        return err;
+        } else
+                niu_try_msix(np, ldg_num_map);
+
+        port = np->port;
+        for (i = 0; i < np->num_ldg; i++) {
+                struct niu_ldg *lp = &np->ldg[i];
+
+                netif_napi_add(np->dev, &lp->napi, niu_poll, 64);
+
+                lp->np = np;
+                lp->ldg_num = ldg_num_map[i];
+                lp->timer = 2; /* XXX */
+
+                /* On N2 NIU the firmware has setup the SID mappings so they go
+                 * to the correct values that will route the LDG to the proper
+                 * interrupt in the NCU interrupt table.
+                 */
+                if (np->parent->plat_type != PLAT_TYPE_NIU) {
+                        err = niu_set_ldg_sid(np, lp->ldg_num, port, i);
+                        if (err)
+                                return err;
+                }
+        }
+
+        /* We adopt the LDG assignment ordering used by the N2 NIU
+         * 'interrupt' properties because that simplifies a lot of
+         * things.  This ordering is:
+         *
+         *      MAC
+         *      MIF     (if port zero)
+         *      SYSERR  (if port zero)
+         *      RX channels
+         *      TX channels
+         */
+
+        ldg_rotor = 0;
+
+        err = niu_ldg_assign_ldn(np, parent, ldg_num_map[ldg_rotor],
+                                  LDN_MAC(port));
+        if (err)
+                return err;
+
+        ldg_rotor++;
+        if (ldg_rotor == np->num_ldg)
+                ldg_rotor = 0;
+
+        if (port == 0) {
+                err = niu_ldg_assign_ldn(np, parent,
+                                         ldg_num_map[ldg_rotor],
+                                         LDN_MIF);
+                if (err)
+                        return err;
+
+                ldg_rotor++;
+                if (ldg_rotor == np->num_ldg)
+                        ldg_rotor = 0;
+
+                err = niu_ldg_assign_ldn(np, parent,
+                                         ldg_num_map[ldg_rotor],
+                                         LDN_DEVICE_ERROR);
+                if (err)
+                        return err;
+
+                ldg_rotor++;
+                if (ldg_rotor == np->num_ldg)
+                        ldg_rotor = 0;
+
+        }
+
+        first_chan = 0;
+        for (i = 0; i < port; i++)
+                first_chan += parent->rxchan_per_port[port];
+        num_chan = parent->rxchan_per_port[port];
+
+        for (i = first_chan; i < (first_chan + num_chan); i++) {
+                err = niu_ldg_assign_ldn(np, parent,
+                                         ldg_num_map[ldg_rotor],
+                                         LDN_RXDMA(i));
+                if (err)
+                        return err;
+                ldg_rotor++;
+                if (ldg_rotor == np->num_ldg)
+                        ldg_rotor = 0;
+        }
+
+        first_chan = 0;
+        for (i = 0; i < port; i++)
+                first_chan += parent->txchan_per_port[port];
+        num_chan = parent->txchan_per_port[port];
+        for (i = first_chan; i < (first_chan + num_chan); i++) {
+                err = niu_ldg_assign_ldn(np, parent,
+                                         ldg_num_map[ldg_rotor],
+                                         LDN_TXDMA(i));
+                if (err)
+                        return err;
+                ldg_rotor++;
+                if (ldg_rotor == np->num_ldg)
+                        ldg_rotor = 0;
+        }
+
+        return 0;
+}
+
+static void __devexit niu_ldg_free(struct niu *np)
+{
+        if (np->flags & NIU_FLAGS_MSIX)
+                pci_disable_msix(np->pdev);
+}
+
+static int __devinit niu_get_of_props(struct niu *np)
+{
+#ifdef CONFIG_SPARC64
+        struct net_device *dev = np->dev;
+        struct device_node *dp;
+        const char *phy_type;
+        const u8 *mac_addr;
+        int prop_len;
+
+        if (np->parent->plat_type == PLAT_TYPE_NIU)
+                dp = np->op->node;
+        else
+                dp = pci_device_to_OF_node(np->pdev);
+
+        phy_type = of_get_property(dp, "phy-type", &prop_len);
+        if (!phy_type) {
+                dev_err(np->device, PFX "%s: OF node lacks "
+                        "phy-type property\n",
+                        dp->full_name);
+                return -EINVAL;
+        }
+
+        if (!strcmp(phy_type, "none"))
+                return -ENODEV;
+
+        strcpy(np->vpd.phy_type, phy_type);
+
+        if (niu_phy_type_prop_decode(np, np->vpd.phy_type)) {
+                dev_err(np->device, PFX "%s: Illegal phy string [%s].\n",
+                        dp->full_name, np->vpd.phy_type);
+                return -EINVAL;
+        }
+
+        mac_addr = of_get_property(dp, "local-mac-address", &prop_len);
+        if (!mac_addr) {
+                dev_err(np->device, PFX "%s: OF node lacks "
+                        "local-mac-address property\n",
+                        dp->full_name);
+                return -EINVAL;
+        }
+        if (prop_len != dev->addr_len) {
+                dev_err(np->device, PFX "%s: OF MAC address prop len (%d) "
+                        "is wrong.\n",
+                        dp->full_name, prop_len);
+        }
+        memcpy(dev->perm_addr, mac_addr, dev->addr_len);
+        if (!is_valid_ether_addr(&dev->perm_addr[0])) {
+                int i;
+
+                dev_err(np->device, PFX "%s: OF MAC address is invalid\n",
+                        dp->full_name);
+                dev_err(np->device, PFX "%s: [ \n",
+                        dp->full_name);
+                for (i = 0; i < 6; i++)
+                        printk("%02x ", dev->perm_addr[i]);
+                printk("]\n");
+                return -EINVAL;
+        }
+
+        memcpy(dev->dev_addr, dev->perm_addr, dev->addr_len);
+
+        return 0;
+#else
+        return -EINVAL;
+#endif
+}
+
+static int __devinit niu_get_invariants(struct niu *np)
+{
+        int err, have_props;
+        u32 offset;
+
+        err = niu_get_of_props(np);
+        if (err == -ENODEV)
+                return err;
+
+        have_props = !err;
+
+        err = niu_get_and_validate_port(np);
+        if (err)
+                return err;
+
+        err = niu_init_mac_ipp_pcs_base(np);
+        if (err)
+                return err;
+
+        if (!have_props) {
+                if (np->parent->plat_type == PLAT_TYPE_NIU)
+                        return -EINVAL;
+
+                nw64(ESPC_PIO_EN, ESPC_PIO_EN_ENABLE);
+                offset = niu_pci_vpd_offset(np);
+                niudbg(PROBE, "niu_get_invariants: VPD offset [%08x]\n",
+                       offset);
+                if (offset)
+                        niu_pci_vpd_fetch(np, offset);
+                nw64(ESPC_PIO_EN, 0);
+
+                if (np->flags & NIU_FLAGS_VPD_VALID)
+                        niu_pci_vpd_validate(np);
+
+                if (!(np->flags & NIU_FLAGS_VPD_VALID)) {
+                        err = niu_pci_probe_sprom(np);
+                        if (err)
+                                return err;
+                }
+        }
+
+        err = niu_probe_ports(np);
+        if (err)
+                return err;
+
+        niu_ldg_init(np);
+
+        niu_classifier_swstate_init(np);
+        niu_link_config_init(np);
+
+        err = niu_determine_phy_disposition(np);
+        if (!err)
+                err = niu_init_link(np);
+
+        return err;
+}
+
+static LIST_HEAD(niu_parent_list);
+static DEFINE_MUTEX(niu_parent_lock);
+static int niu_parent_index;
+
+static ssize_t show_port_phy(struct device *dev,
+                             struct device_attribute *attr, char *buf)
+{
+        struct platform_device *plat_dev = to_platform_device(dev);
+        struct niu_parent *p = plat_dev->dev.platform_data;
+        u32 port_phy = p->port_phy;
+        char *orig_buf = buf;
+        int i;
+
+        if (port_phy == PORT_PHY_UNKNOWN ||
+            port_phy == PORT_PHY_INVALID)
+                return 0;
+
+        for (i = 0; i < p->num_ports; i++) {
+                const char *type_str;
+                int type;
+
+                type = phy_decode(port_phy, i);
+                if (type == PORT_TYPE_10G)
+                        type_str = "10G";
+                else
+                        type_str = "1G";
+                buf += sprintf(buf,
+                               (i == 0) ? "%s" : " %s",
+                               type_str);
+        }
+        buf += sprintf(buf, "\n");
+        return buf - orig_buf;
+}
+
+static ssize_t show_plat_type(struct device *dev,
+                              struct device_attribute *attr, char *buf)
+{
+        struct platform_device *plat_dev = to_platform_device(dev);
+        struct niu_parent *p = plat_dev->dev.platform_data;
+        const char *type_str;
+
+        switch (p->plat_type) {
+        case PLAT_TYPE_ATLAS:
+                type_str = "atlas";
+                break;
+        case PLAT_TYPE_NIU:
+                type_str = "niu";
+                break;
+        case PLAT_TYPE_VF_P0:
+                type_str = "vf_p0";
+                break;
+        case PLAT_TYPE_VF_P1:
+                type_str = "vf_p1";
+                break;
+        default:
+                type_str = "unknown";
+                break;
+        }
+
+        return sprintf(buf, "%s\n", type_str);
+}
+
+static ssize_t __show_chan_per_port(struct device *dev,
+                                    struct device_attribute *attr, char *buf,
+                                    int rx)
+{
+        struct platform_device *plat_dev = to_platform_device(dev);
+        struct niu_parent *p = plat_dev->dev.platform_data;
+        char *orig_buf = buf;
+        u8 *arr;
+        int i;
+
+        arr = (rx ? p->rxchan_per_port : p->txchan_per_port);
+
+        for (i = 0; i < p->num_ports; i++) {
+                buf += sprintf(buf,
+                               (i == 0) ? "%d" : " %d",
+                               arr[i]);
+        }
+        buf += sprintf(buf, "\n");
+
+        return buf - orig_buf;
+}
+
+static ssize_t show_rxchan_per_port(struct device *dev,
+                                    struct device_attribute *attr, char *buf)
+{
+        return __show_chan_per_port(dev, attr, buf, 1);
+}
+
+static ssize_t show_txchan_per_port(struct device *dev,
+                                    struct device_attribute *attr, char *buf)
+{
+        return __show_chan_per_port(dev, attr, buf, 1);
+}
+
+static ssize_t show_num_ports(struct device *dev,
+                              struct device_attribute *attr, char *buf)
+{
+        struct platform_device *plat_dev = to_platform_device(dev);
+        struct niu_parent *p = plat_dev->dev.platform_data;
+
+        return sprintf(buf, "%d\n", p->num_ports);
+}
+
+static struct device_attribute niu_parent_attributes[] = {
+        __ATTR(port_phy, S_IRUGO, show_port_phy, NULL),
+        __ATTR(plat_type, S_IRUGO, show_plat_type, NULL),
+        __ATTR(rxchan_per_port, S_IRUGO, show_rxchan_per_port, NULL),
+        __ATTR(txchan_per_port, S_IRUGO, show_txchan_per_port, NULL),
+        __ATTR(num_ports, S_IRUGO, show_num_ports, NULL),
+        {}
+};
+
+static struct niu_parent * __devinit niu_new_parent(struct niu *np,
+                                                    union niu_parent_id *id,
+                                                    u8 ptype)
+{
+        struct platform_device *plat_dev;
+        struct niu_parent *p;
+        int i;
+
+        niudbg(PROBE, "niu_new_parent: Creating new parent.\n");
+
+        plat_dev = platform_device_register_simple("niu", niu_parent_index,
+                                                   NULL, 0);
+        if (!plat_dev)
+                return NULL;
+
+        for (i = 0; attr_name(niu_parent_attributes[i]); i++) {
+                int err = device_create_file(&plat_dev->dev,
+                                             &niu_parent_attributes[i]);
+                if (err)
+                        goto fail_unregister;
+        }
+
+        p = kzalloc(sizeof(*p), GFP_KERNEL);
+        if (!p)
+                goto fail_unregister;
+
+        p->index = niu_parent_index++;
+
+        plat_dev->dev.platform_data = p;
+        p->plat_dev = plat_dev;
+
+        memcpy(&p->id, id, sizeof(*id));
+        p->plat_type = ptype;
+        INIT_LIST_HEAD(&p->list);
+        atomic_set(&p->refcnt, 0);
+        list_add(&p->list, &niu_parent_list);
+        spin_lock_init(&p->lock);
+
+        p->rxdma_clock_divider = 7500;
+
+        p->tcam_num_entries = NIU_PCI_TCAM_ENTRIES;
+        if (p->plat_type == PLAT_TYPE_NIU)
+                p->tcam_num_entries = NIU_NONPCI_TCAM_ENTRIES;
+
+        for (i = CLASS_CODE_USER_PROG1; i <= CLASS_CODE_SCTP_IPV6; i++) {
+                int index = i - CLASS_CODE_USER_PROG1;
+
+                p->tcam_key[index] = TCAM_KEY_TSEL;
+                p->flow_key[index] = (FLOW_KEY_IPSA |
+                                      FLOW_KEY_IPDA |
+                                      FLOW_KEY_PROTO |
+                                      (FLOW_KEY_L4_BYTE12 <<
+                                       FLOW_KEY_L4_0_SHIFT) |
+                                      (FLOW_KEY_L4_BYTE12 <<
+                                       FLOW_KEY_L4_1_SHIFT));
+        }
+
+        for (i = 0; i < LDN_MAX + 1; i++)
+                p->ldg_map[i] = LDG_INVALID;
+
+        return p;
+
+fail_unregister:
+        platform_device_unregister(plat_dev);
+        return NULL;
+}
+
+static struct niu_parent * __devinit niu_get_parent(struct niu *np,
+                                                    union niu_parent_id *id,
+                                                    u8 ptype)
+{
+        struct niu_parent *p, *tmp;
+        int port = np->port;
+
+        niudbg(PROBE, "niu_get_parent: platform_type[%u] port[%u]\n",
+               ptype, port);
+
+        mutex_lock(&niu_parent_lock);
+        p = NULL;
+        list_for_each_entry(tmp, &niu_parent_list, list) {
+                if (!memcmp(id, &tmp->id, sizeof(*id))) {
+                        p = tmp;
+                        break;
+                }
+        }
+        if (!p)
+                p = niu_new_parent(np, id, ptype);
+
+        if (p) {
+                char port_name[6];
+                int err;
+
+                sprintf(port_name, "port%d", port);
+                err = sysfs_create_link(&p->plat_dev->dev.kobj,
+                                        &np->device->kobj,
+                                        port_name);
+                if (!err) {
+                        p->ports[port] = np;
+                        atomic_inc(&p->refcnt);
+                }
+        }
+        mutex_unlock(&niu_parent_lock);
+
+        return p;
+}
+
+static void niu_put_parent(struct niu *np)
+{
+        struct niu_parent *p = np->parent;
+        u8 port = np->port;
+        char port_name[6];
+
+        BUG_ON(!p || p->ports[port] != np);
+
+        niudbg(PROBE, "niu_put_parent: port[%u]\n", port);
+
+        sprintf(port_name, "port%d", port);
+
+        mutex_lock(&niu_parent_lock);
+
+        sysfs_remove_link(&p->plat_dev->dev.kobj, port_name);
+
+        p->ports[port] = NULL;
+        np->parent = NULL;
+
+        if (atomic_dec_and_test(&p->refcnt)) {
+                list_del(&p->list);
+                platform_device_unregister(p->plat_dev);
+        }
+
+        mutex_unlock(&niu_parent_lock);
+}
+
+static void *niu_pci_alloc_coherent(struct device *dev, size_t size,
+                                    u64 *handle, gfp_t flag)
+{
+        dma_addr_t dh;
+        void *ret;
+
+        ret = dma_alloc_coherent(dev, size, &dh, flag);
+        if (ret)
+                *handle = dh;
+        return ret;
+}
+
+static void niu_pci_free_coherent(struct device *dev, size_t size,
+                                  void *cpu_addr, u64 handle)
+{
+        dma_free_coherent(dev, size, cpu_addr, handle);
+}
+
+static u64 niu_pci_map_page(struct device *dev, struct page *page,
+                            unsigned long offset, size_t size,
+                            enum dma_data_direction direction)
+{
+        return dma_map_page(dev, page, offset, size, direction);
+}
+
+static void niu_pci_unmap_page(struct device *dev, u64 dma_address,
+                               size_t size, enum dma_data_direction direction)
+{
+        return dma_unmap_page(dev, dma_address, size, direction);
+}
+
+static u64 niu_pci_map_single(struct device *dev, void *cpu_addr,
+                              size_t size,
+                              enum dma_data_direction direction)
+{
+        return dma_map_single(dev, cpu_addr, size, direction);
+}
+
+static void niu_pci_unmap_single(struct device *dev, u64 dma_address,
+                                 size_t size,
+                                 enum dma_data_direction direction)
+{
+        dma_unmap_single(dev, dma_address, size, direction);
+}
+
+static const struct niu_ops niu_pci_ops = {
+        .alloc_coherent = niu_pci_alloc_coherent,
+        .free_coherent  = niu_pci_free_coherent,
+        .map_page       = niu_pci_map_page,
+        .unmap_page     = niu_pci_unmap_page,
+        .map_single     = niu_pci_map_single,
+        .unmap_single   = niu_pci_unmap_single,
+};
+
+static void __devinit niu_driver_version(void)
+{
+        static int niu_version_printed;
+
+        if (niu_version_printed++ == 0)
+                pr_info("%s", version);
+}
+
+static struct net_device * __devinit niu_alloc_and_init(
+        struct device *gen_dev, struct pci_dev *pdev,
+        struct of_device *op, const struct niu_ops *ops,
+        u8 port)
+{
+        struct net_device *dev = alloc_etherdev(sizeof(struct niu));
+        struct niu *np;
+
+        if (!dev) {
+                dev_err(gen_dev, PFX "Etherdev alloc failed, aborting.\n");
+                return NULL;
+        }
+
+        SET_NETDEV_DEV(dev, gen_dev);
+
+        np = netdev_priv(dev);
+        np->dev = dev;
+        np->pdev = pdev;
+        np->op = op;
+        np->device = gen_dev;
+        np->ops = ops;
+
+        np->msg_enable = niu_debug;
+
+        spin_lock_init(&np->lock);
+        INIT_WORK(&np->reset_task, niu_reset_task);
+
+        np->port = port;
+
+        return dev;
+}
+
+static void __devinit niu_assign_netdev_ops(struct net_device *dev)
+{
+        dev->open = niu_open;
+        dev->stop = niu_close;
+        dev->get_stats = niu_get_stats;
+        dev->set_multicast_list = niu_set_rx_mode;
+        dev->set_mac_address = niu_set_mac_addr;
+        dev->do_ioctl = niu_ioctl;
+        dev->tx_timeout = niu_tx_timeout;
+        dev->hard_start_xmit = niu_start_xmit;
+        dev->ethtool_ops = &niu_ethtool_ops;
+        dev->watchdog_timeo = NIU_TX_TIMEOUT;
+        dev->change_mtu = niu_change_mtu;
+}
+
+static void __devinit niu_device_announce(struct niu *np)
+{
+        struct net_device *dev = np->dev;
+        int i;
+
+        pr_info("%s: NIU Ethernet ", dev->name);
+        for (i = 0; i < 6; i++)
+                printk("%2.2x%c", dev->dev_addr[i],
+                       i == 5 ? '\n' : ':');
+
+        pr_info("%s: Port type[%s] mode[%s:%s] XCVR[%s] phy[%s]\n",
+                dev->name,
+                (np->flags & NIU_FLAGS_XMAC ? "XMAC" : "BMAC"),
+                (np->flags & NIU_FLAGS_10G ? "10G" : "1G"),
+                (np->flags & NIU_FLAGS_FIBER ? "FIBER" : "COPPER"),
+                (np->mac_xcvr == MAC_XCVR_MII ? "MII" :
+                 (np->mac_xcvr == MAC_XCVR_PCS ? "PCS" : "XPCS")),
+                np->vpd.phy_type);
+}
+
+static int __devinit niu_pci_init_one(struct pci_dev *pdev,
+                                      const struct pci_device_id *ent)
+{
+        unsigned long niureg_base, niureg_len;
+        union niu_parent_id parent_id;
+        struct net_device *dev;
+        struct niu *np;
+        int err, pos;
+        u64 dma_mask;
+        u16 val16;
+
+        niu_driver_version();
+
+        err = pci_enable_device(pdev);
+        if (err) {
+                dev_err(&pdev->dev, PFX "Cannot enable PCI device, "
+                        "aborting.\n");
+                return err;
+        }
+
+        if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
+            !(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
+                dev_err(&pdev->dev, PFX "Cannot find proper PCI device "
+                        "base addresses, aborting.\n");
+                err = -ENODEV;
+                goto err_out_disable_pdev;
+        }
+
+        err = pci_request_regions(pdev, DRV_MODULE_NAME);
+        if (err) {
+                dev_err(&pdev->dev, PFX "Cannot obtain PCI resources, "
+                        "aborting.\n");
+                goto err_out_disable_pdev;
+        }
+
+        pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+        if (pos <= 0) {
+                dev_err(&pdev->dev, PFX "Cannot find PCI Express capability, "
+                        "aborting.\n");
+                goto err_out_free_res;
+        }
+
+        dev = niu_alloc_and_init(&pdev->dev, pdev, NULL,
+                                 &niu_pci_ops, PCI_FUNC(pdev->devfn));
+        if (!dev) {
+                err = -ENOMEM;
+                goto err_out_free_res;
+        }
+        np = netdev_priv(dev);
+
+        memset(&parent_id, 0, sizeof(parent_id));
+        parent_id.pci.domain = pci_domain_nr(pdev->bus);
+        parent_id.pci.bus = pdev->bus->number;
+        parent_id.pci.device = PCI_SLOT(pdev->devfn);
+
+        np->parent = niu_get_parent(np, &parent_id,
+                                    PLAT_TYPE_ATLAS);
+        if (!np->parent) {
+                err = -ENOMEM;
+                goto err_out_free_dev;
+        }
+
+        pci_read_config_word(pdev, pos + PCI_EXP_DEVCTL, &val16);
+        val16 &= ~PCI_EXP_DEVCTL_NOSNOOP_EN;
+        val16 |= (PCI_EXP_DEVCTL_CERE |
+                  PCI_EXP_DEVCTL_NFERE |
+                  PCI_EXP_DEVCTL_FERE |
+                  PCI_EXP_DEVCTL_URRE |
+                  PCI_EXP_DEVCTL_RELAX_EN);
+        pci_write_config_word(pdev, pos + PCI_EXP_DEVCTL, val16);
+
+        dma_mask = DMA_44BIT_MASK;
+        err = pci_set_dma_mask(pdev, dma_mask);
+        if (!err) {
+                dev->features |= NETIF_F_HIGHDMA;
+                err = pci_set_consistent_dma_mask(pdev, dma_mask);
+                if (err) {
+                        dev_err(&pdev->dev, PFX "Unable to obtain 44 bit "
+                                "DMA for consistent allocations, "
+                                "aborting.\n");
+                        goto err_out_release_parent;
+                }
+        }
+        if (err || dma_mask == DMA_32BIT_MASK) {
+                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+                if (err) {
+                        dev_err(&pdev->dev, PFX "No usable DMA configuration, "
+                                "aborting.\n");
+                        goto err_out_release_parent;
+                }
+        }
+
+        dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM);
+
+        niureg_base = pci_resource_start(pdev, 0);
+        niureg_len = pci_resource_len(pdev, 0);
+
+        np->regs = ioremap_nocache(niureg_base, niureg_len);
+        if (!np->regs) {
+                dev_err(&pdev->dev, PFX "Cannot map device registers, "
+                        "aborting.\n");
+                err = -ENOMEM;
+                goto err_out_release_parent;
+        }
+
+        pci_set_master(pdev);
+        pci_save_state(pdev);
+
+        dev->irq = pdev->irq;
+
+        niu_assign_netdev_ops(dev);
+
+        err = niu_get_invariants(np);
+        if (err) {
+                if (err != -ENODEV)
+                        dev_err(&pdev->dev, PFX "Problem fetching invariants "
+                                "of chip, aborting.\n");
+                goto err_out_iounmap;
+        }
+
+        err = register_netdev(dev);
+        if (err) {
+                dev_err(&pdev->dev, PFX "Cannot register net device, "
+                        "aborting.\n");
+                goto err_out_iounmap;
+        }
+
+        pci_set_drvdata(pdev, dev);
+
+        niu_device_announce(np);
+
+        return 0;
+
+err_out_iounmap:
+        if (np->regs) {
+                iounmap(np->regs);
+                np->regs = NULL;
+        }
+
+err_out_release_parent:
+        niu_put_parent(np);
+
+err_out_free_dev:
+        free_netdev(dev);
+
+err_out_free_res:
+        pci_release_regions(pdev);
+
+err_out_disable_pdev:
+        pci_disable_device(pdev);
+        pci_set_drvdata(pdev, NULL);
+
+        return err;
+}
+
+static void __devexit niu_pci_remove_one(struct pci_dev *pdev)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+
+        if (dev) {
+                struct niu *np = netdev_priv(dev);
+
+                unregister_netdev(dev);
+                if (np->regs) {
+                        iounmap(np->regs);
+                        np->regs = NULL;
+                }
+
+                niu_ldg_free(np);
+
+                niu_put_parent(np);
+
+                free_netdev(dev);
+                pci_release_regions(pdev);
+                pci_disable_device(pdev);
+                pci_set_drvdata(pdev, NULL);
+        }
+}
+
+static int niu_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+        struct niu *np = netdev_priv(dev);
+        unsigned long flags;
+
+        if (!netif_running(dev))
+                return 0;
+
+        flush_scheduled_work();
+        niu_netif_stop(np);
+
+        del_timer_sync(&np->timer);
+
+        spin_lock_irqsave(&np->lock, flags);
+        niu_enable_interrupts(np, 0);
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        netif_device_detach(dev);
+
+        spin_lock_irqsave(&np->lock, flags);
+        niu_stop_hw(np);
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        pci_save_state(pdev);
+
+        return 0;
+}
+
+static int niu_resume(struct pci_dev *pdev)
+{
+        struct net_device *dev = pci_get_drvdata(pdev);
+        struct niu *np = netdev_priv(dev);
+        unsigned long flags;
+        int err;
+
+        if (!netif_running(dev))
+                return 0;
+
+        pci_restore_state(pdev);
+
+        netif_device_attach(dev);
+
+        spin_lock_irqsave(&np->lock, flags);
+
+        err = niu_init_hw(np);
+        if (!err) {
+                np->timer.expires = jiffies + HZ;
+                add_timer(&np->timer);
+                niu_netif_start(np);
+        }
+
+        spin_unlock_irqrestore(&np->lock, flags);
+
+        return err;
+}
+
+static struct pci_driver niu_pci_driver = {
+        .name           = DRV_MODULE_NAME,
+        .id_table       = niu_pci_tbl,
+        .probe          = niu_pci_init_one,
+        .remove         = __devexit_p(niu_pci_remove_one),
+        .suspend        = niu_suspend,
+        .resume         = niu_resume,
+};
+
+#ifdef CONFIG_SPARC64
+static void *niu_phys_alloc_coherent(struct device *dev, size_t size,
+                                     u64 *dma_addr, gfp_t flag)
+{
+        unsigned long order = get_order(size);
+        unsigned long page = __get_free_pages(flag, order);
+
+        if (page == 0UL)
+                return NULL;
+        memset((char *)page, 0, PAGE_SIZE << order);
+        *dma_addr = __pa(page);
+
+        return (void *) page;
+}
+
+static void niu_phys_free_coherent(struct device *dev, size_t size,
+                                   void *cpu_addr, u64 handle)
+{
+        unsigned long order = get_order(size);
+
+        free_pages((unsigned long) cpu_addr, order);
+}
+
+static u64 niu_phys_map_page(struct device *dev, struct page *page,
+                             unsigned long offset, size_t size,
+                             enum dma_data_direction direction)
+{
+        return page_to_phys(page) + offset;
+}
+
+static void niu_phys_unmap_page(struct device *dev, u64 dma_address,
+                                size_t size, enum dma_data_direction direction)
+{
+        /* Nothing to do.  */
+}
+
+static u64 niu_phys_map_single(struct device *dev, void *cpu_addr,
+                               size_t size,
+                               enum dma_data_direction direction)
+{
+        return __pa(cpu_addr);
+}
+
+static void niu_phys_unmap_single(struct device *dev, u64 dma_address,
+                                  size_t size,
+                                  enum dma_data_direction direction)
+{
+        /* Nothing to do.  */
+}
+
+static const struct niu_ops niu_phys_ops = {
+        .alloc_coherent = niu_phys_alloc_coherent,
+        .free_coherent  = niu_phys_free_coherent,
+        .map_page       = niu_phys_map_page,
+        .unmap_page     = niu_phys_unmap_page,
+        .map_single     = niu_phys_map_single,
+        .unmap_single   = niu_phys_unmap_single,
+};
+
+static unsigned long res_size(struct resource *r)
+{
+        return r->end - r->start + 1UL;
+}
+
+static int __devinit niu_of_probe(struct of_device *op,
+                                  const struct of_device_id *match)
+{
+        union niu_parent_id parent_id;
+        struct net_device *dev;
+        struct niu *np;
+        const u32 *reg;
+        int err;
+
+        niu_driver_version();
+
+        reg = of_get_property(op->node, "reg", NULL);
+        if (!reg) {
+                dev_err(&op->dev, PFX "%s: No 'reg' property, aborting.\n",
+                        op->node->full_name);
+                return -ENODEV;
+        }
+
+        dev = niu_alloc_and_init(&op->dev, NULL, op,
+                                 &niu_phys_ops, reg[0] & 0x1);
+        if (!dev) {
+                err = -ENOMEM;
+                goto err_out;
+        }
+        np = netdev_priv(dev);
+
+        memset(&parent_id, 0, sizeof(parent_id));
+        parent_id.of = of_get_parent(op->node);
+
+        np->parent = niu_get_parent(np, &parent_id,
+                                    PLAT_TYPE_NIU);
+        if (!np->parent) {
+                err = -ENOMEM;
+                goto err_out_free_dev;
+        }
+
+        dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM);
+
+        np->regs = of_ioremap(&op->resource[1], 0,
+                              res_size(&op->resource[1]),
+                              "niu regs");
+        if (!np->regs) {
+                dev_err(&op->dev, PFX "Cannot map device registers, "
+                        "aborting.\n");
+                err = -ENOMEM;
+                goto err_out_release_parent;
+        }
+
+        np->vir_regs_1 = of_ioremap(&op->resource[2], 0,
+                                    res_size(&op->resource[2]),
+                                    "niu vregs-1");
+        if (!np->vir_regs_1) {
+                dev_err(&op->dev, PFX "Cannot map device vir registers 1, "
+                        "aborting.\n");
+                err = -ENOMEM;
+                goto err_out_iounmap;
+        }
+
+        np->vir_regs_2 = of_ioremap(&op->resource[3], 0,
+                                    res_size(&op->resource[3]),
+                                    "niu vregs-2");
+        if (!np->vir_regs_2) {
+                dev_err(&op->dev, PFX "Cannot map device vir registers 2, "
+                        "aborting.\n");
+                err = -ENOMEM;
+                goto err_out_iounmap;
+        }
+
+        niu_assign_netdev_ops(dev);
+
+        err = niu_get_invariants(np);
+        if (err) {
+                if (err != -ENODEV)
+                        dev_err(&op->dev, PFX "Problem fetching invariants "
+                                "of chip, aborting.\n");
+                goto err_out_iounmap;
+        }
+
+        err = register_netdev(dev);
+        if (err) {
+                dev_err(&op->dev, PFX "Cannot register net device, "
+                        "aborting.\n");
+                goto err_out_iounmap;
+        }
+
+        dev_set_drvdata(&op->dev, dev);
+
+        niu_device_announce(np);
+
+        return 0;
+
+err_out_iounmap:
+        if (np->vir_regs_1) {
+                of_iounmap(&op->resource[2], np->vir_regs_1,
+                           res_size(&op->resource[2]));
+                np->vir_regs_1 = NULL;
+        }
+
+        if (np->vir_regs_2) {
+                of_iounmap(&op->resource[3], np->vir_regs_2,
+                           res_size(&op->resource[3]));
+                np->vir_regs_2 = NULL;
+        }
+
+        if (np->regs) {
+                of_iounmap(&op->resource[1], np->regs,
+                           res_size(&op->resource[1]));
+                np->regs = NULL;
+        }
+
+err_out_release_parent:
+        niu_put_parent(np);
+
+err_out_free_dev:
+        free_netdev(dev);
+
+err_out:
+        return err;
+}
+
+static int __devexit niu_of_remove(struct of_device *op)
+{
+        struct net_device *dev = dev_get_drvdata(&op->dev);
+
+        if (dev) {
+                struct niu *np = netdev_priv(dev);
+
+                unregister_netdev(dev);
+
+                if (np->vir_regs_1) {
+                        of_iounmap(&op->resource[2], np->vir_regs_1,
+                                   res_size(&op->resource[2]));
+                        np->vir_regs_1 = NULL;
+                }
+
+                if (np->vir_regs_2) {
+                        of_iounmap(&op->resource[3], np->vir_regs_2,
+                                   res_size(&op->resource[3]));
+                        np->vir_regs_2 = NULL;
+                }
+
+                if (np->regs) {
+                        of_iounmap(&op->resource[1], np->regs,
+                                   res_size(&op->resource[1]));
+                        np->regs = NULL;
+                }
+
+                niu_ldg_free(np);
+
+                niu_put_parent(np);
+
+                free_netdev(dev);
+                dev_set_drvdata(&op->dev, NULL);
+        }
+        return 0;
+}
+
+static struct of_device_id niu_match[] = {
+        {
+                .name = "network",
+                .compatible = "SUNW,niusl",
+        },
+        {},
+};
+MODULE_DEVICE_TABLE(of, niu_match);
+
+static struct of_platform_driver niu_of_driver = {
+        .name           = "niu",
+        .match_table    = niu_match,
+        .probe          = niu_of_probe,
+        .remove         = __devexit_p(niu_of_remove),
+};
+
+#endif /* CONFIG_SPARC64 */
+
+static int __init niu_init(void)
+{
+        int err = 0;
+
+        BUILD_BUG_ON((PAGE_SIZE < 4 * 1024) ||
+                     ((PAGE_SIZE > 32 * 1024) &&
+                      ((PAGE_SIZE % (32 * 1024)) != 0 &&
+                       (PAGE_SIZE % (16 * 1024)) != 0 &&
+                       (PAGE_SIZE % (8 * 1024)) != 0 &&
+                       (PAGE_SIZE % (4 * 1024)) != 0)));
+
+        niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT);
+
+#ifdef CONFIG_SPARC64
+        err = of_register_driver(&niu_of_driver, &of_bus_type);
+#endif
+
+        if (!err) {
+                err = pci_register_driver(&niu_pci_driver);
+#ifdef CONFIG_SPARC64
+                if (err)
+                        of_unregister_driver(&niu_of_driver);
+#endif
+        }
+
+        return err;
+}
+
+static void __exit niu_exit(void)
+{
+        pci_unregister_driver(&niu_pci_driver);
+#ifdef CONFIG_SPARC64
+        of_unregister_driver(&niu_of_driver);
+#endif
+}
+
+module_init(niu_init);
+module_exit(niu_exit);
diff --git a/drivers/net/niu.h b/drivers/net/niu.h
new file mode 100644
index 00000000000..10e3f111b6d
--- /dev/null
+++ b/drivers/net/niu.h
@@ -0,0 +1,3222 @@
+/* niu.h: Definitions for Neptune ethernet driver.
+ *
+ * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
+ */
+
+#ifndef _NIU_H
+#define _NIU_H
+
+#define PIO                     0x000000UL
+#define FZC_PIO                 0x080000UL
+#define FZC_MAC                 0x180000UL
+#define FZC_IPP                 0x280000UL
+#define FFLP                    0x300000UL
+#define FZC_FFLP                0x380000UL
+#define PIO_VADDR               0x400000UL
+#define ZCP                     0x500000UL
+#define FZC_ZCP                 0x580000UL
+#define DMC                     0x600000UL
+#define FZC_DMC                 0x680000UL
+#define TXC                     0x700000UL
+#define FZC_TXC                 0x780000UL
+#define PIO_LDSV                0x800000UL
+#define PIO_PIO_LDGIM           0x900000UL
+#define PIO_IMASK0              0xa00000UL
+#define PIO_IMASK1              0xb00000UL
+#define FZC_PROM                0xc80000UL
+#define FZC_PIM                 0xd80000UL
+
+#define LDSV0(LDG)              (PIO_LDSV + 0x00000UL + (LDG) * 0x2000UL)
+#define LDSV1(LDG)              (PIO_LDSV + 0x00008UL + (LDG) * 0x2000UL)
+#define LDSV2(LDG)              (PIO_LDSV + 0x00010UL + (LDG) * 0x2000UL)
+
+#define LDG_IMGMT(LDG)          (PIO_LDSV + 0x00018UL + (LDG) * 0x2000UL)
+#define  LDG_IMGMT_ARM          0x0000000080000000ULL
+#define  LDG_IMGMT_TIMER        0x000000000000003fULL
+
+#define LD_IM0(IDX)             (PIO_IMASK0 + 0x00000UL + (IDX) * 0x2000UL)
+#define  LD_IM0_MASK            0x0000000000000003ULL
+
+#define LD_IM1(IDX)             (PIO_IMASK1 + 0x00000UL + (IDX) * 0x2000UL)
+#define  LD_IM1_MASK            0x0000000000000003ULL
+
+#define LDG_TIMER_RES           (FZC_PIO + 0x00008UL)
+#define  LDG_TIMER_RES_VAL      0x00000000000fffffULL
+
+#define DIRTY_TID_CTL           (FZC_PIO + 0x00010UL)
+#define  DIRTY_TID_CTL_NPTHRED  0x00000000003f0000ULL
+#define  DIRTY_TID_CTL_RDTHRED  0x00000000000003f0ULL
+#define  DIRTY_TID_CTL_DTIDCLR  0x0000000000000002ULL
+#define  DIRTY_TID_CTL_DTIDENAB 0x0000000000000001ULL
+
+#define DIRTY_TID_STAT          (FZC_PIO + 0x00018UL)
+#define  DIRTY_TID_STAT_NPWSTAT 0x0000000000003f00ULL
+#define  DIRTY_TID_STAT_RDSTAT  0x000000000000003fULL
+
+#define RST_CTL                 (FZC_PIO + 0x00038UL)
+#define  RST_CTL_MAC_RST3       0x0000000000400000ULL
+#define  RST_CTL_MAC_RST2       0x0000000000200000ULL
+#define  RST_CTL_MAC_RST1       0x0000000000100000ULL
+#define  RST_CTL_MAC_RST0       0x0000000000080000ULL
+#define  RST_CTL_ACK_TO_EN      0x0000000000000800ULL
+#define  RST_CTL_ACK_TO_VAL     0x00000000000007feULL
+
+#define SMX_CFIG_DAT            (FZC_PIO + 0x00040UL)
+#define  SMX_CFIG_DAT_RAS_DET   0x0000000080000000ULL
+#define  SMX_CFIG_DAT_RAS_INJ   0x0000000040000000ULL
+#define  SMX_CFIG_DAT_XACT_TO   0x000000000fffffffULL
+
+#define SMX_INT_STAT            (FZC_PIO + 0x00048UL)
+#define  SMX_INT_STAT_STAT      0x00000000ffffffffULL
+
+#define SMX_CTL                 (FZC_PIO + 0x00050UL)
+#define  SMX_CTL_CTL            0x00000000ffffffffULL
+
+#define SMX_DBG_VEC             (FZC_PIO + 0x00058UL)
+#define  SMX_DBG_VEC_VEC        0x00000000ffffffffULL
+
+#define PIO_DBG_SEL             (FZC_PIO + 0x00060UL)
+#define  PIO_DBG_SEL_SEL        0x000000000000003fULL
+
+#define PIO_TRAIN_VEC           (FZC_PIO + 0x00068UL)
+#define  PIO_TRAIN_VEC_VEC      0x00000000ffffffffULL
+
+#define PIO_ARB_CTL             (FZC_PIO + 0x00070UL)
+#define  PIO_ARB_CTL_CTL        0x00000000ffffffffULL
+
+#define PIO_ARB_DBG_VEC         (FZC_PIO + 0x00078UL)
+#define  PIO_ARB_DBG_VEC_VEC    0x00000000ffffffffULL
+
+#define SYS_ERR_MASK            (FZC_PIO + 0x00090UL)
+#define  SYS_ERR_MASK_META2     0x0000000000000400ULL
+#define  SYS_ERR_MASK_META1     0x0000000000000200ULL
+#define  SYS_ERR_MASK_PEU       0x0000000000000100ULL
+#define  SYS_ERR_MASK_TXC       0x0000000000000080ULL
+#define  SYS_ERR_MASK_RDMC      0x0000000000000040ULL
+#define  SYS_ERR_MASK_TDMC      0x0000000000000020ULL
+#define  SYS_ERR_MASK_ZCP       0x0000000000000010ULL
+#define  SYS_ERR_MASK_FFLP      0x0000000000000008ULL
+#define  SYS_ERR_MASK_IPP       0x0000000000000004ULL
+#define  SYS_ERR_MASK_MAC       0x0000000000000002ULL
+#define  SYS_ERR_MASK_SMX       0x0000000000000001ULL
+
+#define SYS_ERR_STAT                    (FZC_PIO + 0x00098UL)
+#define  SYS_ERR_STAT_META2             0x0000000000000400ULL
+#define  SYS_ERR_STAT_META1             0x0000000000000200ULL
+#define  SYS_ERR_STAT_PEU               0x0000000000000100ULL
+#define  SYS_ERR_STAT_TXC               0x0000000000000080ULL
+#define  SYS_ERR_STAT_RDMC              0x0000000000000040ULL
+#define  SYS_ERR_STAT_TDMC              0x0000000000000020ULL
+#define  SYS_ERR_STAT_ZCP               0x0000000000000010ULL
+#define  SYS_ERR_STAT_FFLP              0x0000000000000008ULL
+#define  SYS_ERR_STAT_IPP               0x0000000000000004ULL
+#define  SYS_ERR_STAT_MAC               0x0000000000000002ULL
+#define  SYS_ERR_STAT_SMX               0x0000000000000001ULL
+
+#define SID(LDG)                        (FZC_PIO + 0x10200UL + (LDG) * 8UL)
+#define  SID_FUNC                       0x0000000000000060ULL
+#define  SID_FUNC_SHIFT                 5
+#define  SID_VECTOR                     0x000000000000001fULL
+#define  SID_VECTOR_SHIFT               0
+
+#define LDG_NUM(LDN)                    (FZC_PIO + 0x20000UL + (LDN) * 8UL)
+
+#define XMAC_PORT0_OFF                  (FZC_MAC + 0x000000)
+#define XMAC_PORT1_OFF                  (FZC_MAC + 0x006000)
+#define BMAC_PORT2_OFF                  (FZC_MAC + 0x00c000)
+#define BMAC_PORT3_OFF                  (FZC_MAC + 0x010000)
+
+/* XMAC registers, offset from np->mac_regs  */
+
+#define XTXMAC_SW_RST                   0x00000UL
+#define  XTXMAC_SW_RST_REG_RS           0x0000000000000002ULL
+#define  XTXMAC_SW_RST_SOFT_RST         0x0000000000000001ULL
+
+#define XRXMAC_SW_RST                   0x00008UL
+#define  XRXMAC_SW_RST_REG_RS           0x0000000000000002ULL
+#define  XRXMAC_SW_RST_SOFT_RST         0x0000000000000001ULL
+
+#define XTXMAC_STATUS                   0x00020UL
+#define  XTXMAC_STATUS_FRAME_CNT_EXP    0x0000000000000800ULL
+#define  XTXMAC_STATUS_BYTE_CNT_EXP     0x0000000000000400ULL
+#define  XTXMAC_STATUS_TXFIFO_XFR_ERR   0x0000000000000010ULL
+#define  XTXMAC_STATUS_TXMAC_OFLOW      0x0000000000000008ULL
+#define  XTXMAC_STATUS_MAX_PSIZE_ERR    0x0000000000000004ULL
+#define  XTXMAC_STATUS_TXMAC_UFLOW      0x0000000000000002ULL
+#define  XTXMAC_STATUS_FRAME_XMITED     0x0000000000000001ULL
+
+#define XRXMAC_STATUS                   0x00028UL
+#define  XRXMAC_STATUS_RXHIST7_CNT_EXP  0x0000000000100000ULL
+#define  XRXMAC_STATUS_LCL_FLT_STATUS   0x0000000000080000ULL
+#define  XRXMAC_STATUS_RFLT_DET         0x0000000000040000ULL
+#define  XRXMAC_STATUS_LFLT_CNT_EXP     0x0000000000020000ULL
+#define  XRXMAC_STATUS_PHY_MDINT        0x0000000000010000ULL
+#define  XRXMAC_STATUS_ALIGNERR_CNT_EXP 0x0000000000010000ULL
+#define  XRXMAC_STATUS_RXFRAG_CNT_EXP   0x0000000000008000ULL
+#define  XRXMAC_STATUS_RXMULTF_CNT_EXP  0x0000000000004000ULL
+#define  XRXMAC_STATUS_RXBCAST_CNT_EXP  0x0000000000002000ULL
+#define  XRXMAC_STATUS_RXHIST6_CNT_EXP  0x0000000000001000ULL
+#define  XRXMAC_STATUS_RXHIST5_CNT_EXP  0x0000000000000800ULL
+#define  XRXMAC_STATUS_RXHIST4_CNT_EXP  0x0000000000000400ULL
+#define  XRXMAC_STATUS_RXHIST3_CNT_EXP  0x0000000000000200ULL
+#define  XRXMAC_STATUS_RXHIST2_CNT_EXP  0x0000000000000100ULL
+#define  XRXMAC_STATUS_RXHIST1_CNT_EXP  0x0000000000000080ULL
+#define  XRXMAC_STATUS_RXOCTET_CNT_EXP  0x0000000000000040ULL
+#define  XRXMAC_STATUS_CVIOLERR_CNT_EXP 0x0000000000000020ULL
+#define  XRXMAC_STATUS_LENERR_CNT_EXP   0x0000000000000010ULL
+#define  XRXMAC_STATUS_CRCERR_CNT_EXP   0x0000000000000008ULL
+#define  XRXMAC_STATUS_RXUFLOW          0x0000000000000004ULL
+#define  XRXMAC_STATUS_RXOFLOW          0x0000000000000002ULL
+#define  XRXMAC_STATUS_FRAME_RCVD       0x0000000000000001ULL
+
+#define XMAC_FC_STAT                    0x00030UL
+#define  XMAC_FC_STAT_RX_RCV_PAUSE_TIME 0x00000000ffff0000ULL
+#define  XMAC_FC_STAT_TX_MAC_NPAUSE     0x0000000000000004ULL
+#define  XMAC_FC_STAT_TX_MAC_PAUSE      0x0000000000000002ULL
+#define  XMAC_FC_STAT_RX_MAC_RPAUSE     0x0000000000000001ULL
+
+#define XTXMAC_STAT_MSK                 0x00040UL
+#define  XTXMAC_STAT_MSK_FRAME_CNT_EXP  0x0000000000000800ULL
+#define  XTXMAC_STAT_MSK_BYTE_CNT_EXP   0x0000000000000400ULL
+#define  XTXMAC_STAT_MSK_TXFIFO_XFR_ERR 0x0000000000000010ULL
+#define  XTXMAC_STAT_MSK_TXMAC_OFLOW    0x0000000000000008ULL
+#define  XTXMAC_STAT_MSK_MAX_PSIZE_ERR  0x0000000000000004ULL
+#define  XTXMAC_STAT_MSK_TXMAC_UFLOW    0x0000000000000002ULL
+#define  XTXMAC_STAT_MSK_FRAME_XMITED   0x0000000000000001ULL
+
+#define XRXMAC_STAT_MSK                         0x00048UL
+#define  XRXMAC_STAT_MSK_LCL_FLT_STAT_MSK       0x0000000000080000ULL
+#define  XRXMAC_STAT_MSK_RFLT_DET               0x0000000000040000ULL
+#define  XRXMAC_STAT_MSK_LFLT_CNT_EXP           0x0000000000020000ULL
+#define  XRXMAC_STAT_MSK_PHY_MDINT              0x0000000000010000ULL
+#define  XRXMAC_STAT_MSK_RXFRAG_CNT_EXP         0x0000000000008000ULL
+#define  XRXMAC_STAT_MSK_RXMULTF_CNT_EXP        0x0000000000004000ULL
+#define  XRXMAC_STAT_MSK_RXBCAST_CNT_EXP        0x0000000000002000ULL
+#define  XRXMAC_STAT_MSK_RXHIST6_CNT_EXP        0x0000000000001000ULL
+#define  XRXMAC_STAT_MSK_RXHIST5_CNT_EXP        0x0000000000000800ULL
+#define  XRXMAC_STAT_MSK_RXHIST4_CNT_EXP        0x0000000000000400ULL
+#define  XRXMAC_STAT_MSK_RXHIST3_CNT_EXP        0x0000000000000200ULL
+#define  XRXMAC_STAT_MSK_RXHIST2_CNT_EXP        0x0000000000000100ULL
+#define  XRXMAC_STAT_MSK_RXHIST1_CNT_EXP        0x0000000000000080ULL
+#define  XRXMAC_STAT_MSK_RXOCTET_CNT_EXP        0x0000000000000040ULL
+#define  XRXMAC_STAT_MSK_CVIOLERR_CNT_EXP       0x0000000000000020ULL
+#define  XRXMAC_STAT_MSK_LENERR_CNT_EXP         0x0000000000000010ULL
+#define  XRXMAC_STAT_MSK_CRCERR_CNT_EXP         0x0000000000000008ULL
+#define  XRXMAC_STAT_MSK_RXUFLOW_CNT_EXP        0x0000000000000004ULL
+#define  XRXMAC_STAT_MSK_RXOFLOW_CNT_EXP        0x0000000000000002ULL
+#define  XRXMAC_STAT_MSK_FRAME_RCVD             0x0000000000000001ULL
+
+#define XMAC_FC_MSK                     0x00050UL
+#define  XMAC_FC_MSK_TX_MAC_NPAUSE      0x0000000000000004ULL
+#define  XMAC_FC_MSK_TX_MAC_PAUSE       0x0000000000000002ULL
+#define  XMAC_FC_MSK_RX_MAC_RPAUSE      0x0000000000000001ULL
+
+#define XMAC_CONFIG                     0x00060UL
+#define  XMAC_CONFIG_SEL_CLK_25MHZ      0x0000000080000000ULL
+#define  XMAC_CONFIG_1G_PCS_BYPASS      0x0000000040000000ULL
+#define  XMAC_CONFIG_10G_XPCS_BYPASS    0x0000000020000000ULL
+#define  XMAC_CONFIG_MODE_MASK          0x0000000018000000ULL
+#define  XMAC_CONFIG_MODE_XGMII         0x0000000000000000ULL
+#define  XMAC_CONFIG_MODE_GMII          0x0000000008000000ULL
+#define  XMAC_CONFIG_MODE_MII           0x0000000010000000ULL
+#define  XMAC_CONFIG_LFS_DISABLE        0x0000000004000000ULL
+#define  XMAC_CONFIG_LOOPBACK           0x0000000002000000ULL
+#define  XMAC_CONFIG_TX_OUTPUT_EN       0x0000000001000000ULL
+#define  XMAC_CONFIG_SEL_POR_CLK_SRC    0x0000000000800000ULL
+#define  XMAC_CONFIG_LED_POLARITY       0x0000000000400000ULL
+#define  XMAC_CONFIG_FORCE_LED_ON       0x0000000000200000ULL
+#define  XMAC_CONFIG_PASS_FLOW_CTRL     0x0000000000100000ULL
+#define  XMAC_CONFIG_RCV_PAUSE_ENABLE   0x0000000000080000ULL
+#define  XMAC_CONFIG_MAC2IPP_PKT_CNT_EN 0x0000000000040000ULL
+#define  XMAC_CONFIG_STRIP_CRC          0x0000000000020000ULL
+#define  XMAC_CONFIG_ADDR_FILTER_EN     0x0000000000010000ULL
+#define  XMAC_CONFIG_HASH_FILTER_EN     0x0000000000008000ULL
+#define  XMAC_CONFIG_RX_CODEV_CHK_DIS   0x0000000000004000ULL
+#define  XMAC_CONFIG_RESERVED_MULTICAST 0x0000000000002000ULL
+#define  XMAC_CONFIG_RX_CRC_CHK_DIS     0x0000000000001000ULL
+#define  XMAC_CONFIG_ERR_CHK_DIS        0x0000000000000800ULL
+#define  XMAC_CONFIG_PROMISC_GROUP      0x0000000000000400ULL
+#define  XMAC_CONFIG_PROMISCUOUS        0x0000000000000200ULL
+#define  XMAC_CONFIG_RX_MAC_ENABLE      0x0000000000000100ULL
+#define  XMAC_CONFIG_WARNING_MSG_EN     0x0000000000000080ULL
+#define  XMAC_CONFIG_ALWAYS_NO_CRC      0x0000000000000008ULL
+#define  XMAC_CONFIG_VAR_MIN_IPG_EN     0x0000000000000004ULL
+#define  XMAC_CONFIG_STRETCH_MODE       0x0000000000000002ULL
+#define  XMAC_CONFIG_TX_ENABLE          0x0000000000000001ULL
+
+#define XMAC_IPG                        0x00080UL
+#define  XMAC_IPG_STRETCH_CONST         0x0000000000e00000ULL
+#define  XMAC_IPG_STRETCH_CONST_SHIFT   21
+#define  XMAC_IPG_STRETCH_RATIO         0x00000000001f0000ULL
+#define  XMAC_IPG_STRETCH_RATIO_SHIFT   16
+#define  XMAC_IPG_IPG_MII_GMII          0x000000000000ff00ULL
+#define  XMAC_IPG_IPG_MII_GMII_SHIFT    8
+#define  XMAC_IPG_IPG_XGMII             0x0000000000000007ULL
+#define  XMAC_IPG_IPG_XGMII_SHIFT       0
+
+#define IPG_12_15_XGMII                 3
+#define IPG_16_19_XGMII                 4
+#define IPG_20_23_XGMII                 5
+#define IPG_12_MII_GMII                 10
+#define IPG_13_MII_GMII                 11
+#define IPG_14_MII_GMII                 12
+#define IPG_15_MII_GMII                 13
+#define IPG_16_MII_GMII                 14
+
+#define XMAC_MIN                        0x00088UL
+#define  XMAC_MIN_RX_MIN_PKT_SIZE       0x000000003ff00000ULL
+#define  XMAC_MIN_RX_MIN_PKT_SIZE_SHFT  20
+#define  XMAC_MIN_SLOT_TIME             0x000000000003fc00ULL
+#define  XMAC_MIN_SLOT_TIME_SHFT        10
+#define  XMAC_MIN_TX_MIN_PKT_SIZE       0x00000000000003ffULL
+#define  XMAC_MIN_TX_MIN_PKT_SIZE_SHFT  0
+
+#define XMAC_MAX                        0x00090UL
+#define  XMAC_MAX_FRAME_SIZE            0x0000000000003fffULL
+#define  XMAC_MAX_FRAME_SIZE_SHFT       0
+
+#define XMAC_ADDR0                      0x000a0UL
+#define  XMAC_ADDR0_ADDR0               0x000000000000ffffULL
+
+#define XMAC_ADDR1                      0x000a8UL
+#define  XMAC_ADDR1_ADDR1               0x000000000000ffffULL
+
+#define XMAC_ADDR2                      0x000b0UL 
+#define  XMAC_ADDR2_ADDR2               0x000000000000ffffULL
+
+#define XMAC_ADDR_CMPEN                 0x00208UL
+#define  XMAC_ADDR_CMPEN_EN15           0x0000000000008000ULL
+#define  XMAC_ADDR_CMPEN_EN14           0x0000000000004000ULL
+#define  XMAC_ADDR_CMPEN_EN13           0x0000000000002000ULL
+#define  XMAC_ADDR_CMPEN_EN12           0x0000000000001000ULL
+#define  XMAC_ADDR_CMPEN_EN11           0x0000000000000800ULL
+#define  XMAC_ADDR_CMPEN_EN10           0x0000000000000400ULL
+#define  XMAC_ADDR_CMPEN_EN9            0x0000000000000200ULL
+#define  XMAC_ADDR_CMPEN_EN8            0x0000000000000100ULL
+#define  XMAC_ADDR_CMPEN_EN7            0x0000000000000080ULL
+#define  XMAC_ADDR_CMPEN_EN6            0x0000000000000040ULL
+#define  XMAC_ADDR_CMPEN_EN5            0x0000000000000020ULL
+#define  XMAC_ADDR_CMPEN_EN4            0x0000000000000010ULL
+#define  XMAC_ADDR_CMPEN_EN3            0x0000000000000008ULL
+#define  XMAC_ADDR_CMPEN_EN2            0x0000000000000004ULL
+#define  XMAC_ADDR_CMPEN_EN1            0x0000000000000002ULL
+#define  XMAC_ADDR_CMPEN_EN0            0x0000000000000001ULL
+
+#define XMAC_NUM_ALT_ADDR               16
+
+#define XMAC_ALT_ADDR0(NUM)             (0x00218UL + (NUM)*0x18UL)
+#define  XMAC_ALT_ADDR0_ADDR0           0x000000000000ffffULL
+
+#define XMAC_ALT_ADDR1(NUM)             (0x00220UL + (NUM)*0x18UL)
+#define  XMAC_ALT_ADDR1_ADDR1           0x000000000000ffffULL
+
+#define XMAC_ALT_ADDR2(NUM)             (0x00228UL + (NUM)*0x18UL)
+#define  XMAC_ALT_ADDR2_ADDR2           0x000000000000ffffULL
+
+#define XMAC_ADD_FILT0                  0x00818UL
+#define  XMAC_ADD_FILT0_FILT0           0x000000000000ffffULL
+
+#define XMAC_ADD_FILT1                  0x00820UL
+#define  XMAC_ADD_FILT1_FILT1           0x000000000000ffffULL
+
+#define XMAC_ADD_FILT2                  0x00828UL
+#define  XMAC_ADD_FILT2_FILT2           0x000000000000ffffULL
+
+#define XMAC_ADD_FILT12_MASK            0x00830UL
+#define  XMAC_ADD_FILT12_MASK_VAL       0x00000000000000ffULL
+
+#define XMAC_ADD_FILT00_MASK            0x00838UL
+#define  XMAC_ADD_FILT00_MASK_VAL       0x000000000000ffffULL
+
+#define XMAC_HASH_TBL(NUM)              (0x00840UL + (NUM) * 0x8UL)
+#define XMAC_HASH_TBL_VAL               0x000000000000ffffULL
+
+#define XMAC_NUM_HOST_INFO              20
+
+#define XMAC_HOST_INFO(NUM)             (0x00900UL + (NUM) * 0x8UL)
+
+#define XMAC_PA_DATA0                   0x00b80UL
+#define XMAC_PA_DATA0_VAL               0x00000000ffffffffULL
+
+#define XMAC_PA_DATA1                   0x00b88UL
+#define XMAC_PA_DATA1_VAL               0x00000000ffffffffULL
+
+#define XMAC_DEBUG_SEL                  0x00b90UL
+#define  XMAC_DEBUG_SEL_XMAC            0x0000000000000078ULL
+#define  XMAC_DEBUG_SEL_MAC             0x0000000000000007ULL
+
+#define XMAC_TRAIN_VEC                  0x00b98UL
+#define  XMAC_TRAIN_VEC_VAL             0x00000000ffffffffULL
+
+#define RXMAC_BT_CNT                    0x00100UL
+#define  RXMAC_BT_CNT_COUNT             0x00000000ffffffffULL
+
+#define RXMAC_BC_FRM_CNT                0x00108UL
+#define  RXMAC_BC_FRM_CNT_COUNT         0x00000000001fffffULL
+
+#define RXMAC_MC_FRM_CNT                0x00110UL
+#define  RXMAC_MC_FRM_CNT_COUNT         0x00000000001fffffULL
+
+#define RXMAC_FRAG_CNT                  0x00118UL
+#define  RXMAC_FRAG_CNT_COUNT           0x00000000001fffffULL
+
+#define RXMAC_HIST_CNT1                 0x00120UL
+#define  RXMAC_HIST_CNT1_COUNT          0x00000000001fffffULL
+
+#define RXMAC_HIST_CNT2                 0x00128UL
+#define  RXMAC_HIST_CNT2_COUNT          0x00000000001fffffULL
+
+#define RXMAC_HIST_CNT3                 0x00130UL
+#define  RXMAC_HIST_CNT3_COUNT          0x00000000000fffffULL
+
+#define RXMAC_HIST_CNT4                 0x00138UL
+#define  RXMAC_HIST_CNT4_COUNT          0x000000000007ffffULL
+
+#define RXMAC_HIST_CNT5                 0x00140UL
+#define  RXMAC_HIST_CNT5_COUNT          0x000000000003ffffULL
+
+#define RXMAC_HIST_CNT6                 0x00148UL
+#define  RXMAC_HIST_CNT6_COUNT          0x000000000000ffffULL
+
+#define RXMAC_MPSZER_CNT                0x00150UL
+#define  RXMAC_MPSZER_CNT_COUNT         0x00000000000000ffULL
+
+#define RXMAC_CRC_ER_CNT                0x00158UL
+#define  RXMAC_CRC_ER_CNT_COUNT         0x00000000000000ffULL
+
+#define RXMAC_CD_VIO_CNT                0x00160UL
+#define  RXMAC_CD_VIO_CNT_COUNT         0x00000000000000ffULL
+
+#define RXMAC_ALIGN_ERR_CNT             0x00168UL
+#define  RXMAC_ALIGN_ERR_CNT_COUNT      0x00000000000000ffULL
+
+#define TXMAC_FRM_CNT                   0x00170UL
+#define  TXMAC_FRM_CNT_COUNT            0x00000000ffffffffULL
+
+#define TXMAC_BYTE_CNT                  0x00178UL
+#define  TXMAC_BYTE_CNT_COUNT           0x00000000ffffffffULL
+
+#define LINK_FAULT_CNT                  0x00180UL
+#define  LINK_FAULT_CNT_COUNT           0x00000000000000ffULL
+
+#define RXMAC_HIST_CNT7                 0x00188UL
+#define  RXMAC_HIST_CNT7_COUNT          0x0000000007ffffffULL
+
+#define XMAC_SM_REG                     0x001a8UL
+#define  XMAC_SM_REG_STATE              0x00000000ffffffffULL
+
+#define XMAC_INTER1                     0x001b0UL
+#define  XMAC_INTERN1_SIGNALS1          0x00000000ffffffffULL
+
+#define XMAC_INTER2                     0x001b8UL
+#define  XMAC_INTERN2_SIGNALS2          0x00000000ffffffffULL
+
+/* BMAC registers, offset from np->mac_regs  */
+
+#define BTXMAC_SW_RST                   0x00000UL
+#define  BTXMAC_SW_RST_RESET            0x0000000000000001ULL
+
+#define BRXMAC_SW_RST                   0x00008UL
+#define  BRXMAC_SW_RST_RESET            0x0000000000000001ULL
+
+#define BMAC_SEND_PAUSE                 0x00010UL
+#define  BMAC_SEND_PAUSE_SEND           0x0000000000010000ULL
+#define  BMAC_SEND_PAUSE_TIME           0x000000000000ffffULL
+
+#define BTXMAC_STATUS                   0x00020UL
+#define  BTXMAC_STATUS_XMIT             0x0000000000000001ULL
+#define  BTXMAC_STATUS_UNDERRUN         0x0000000000000002ULL
+#define  BTXMAC_STATUS_MAX_PKT_ERR      0x0000000000000004ULL
+#define  BTXMAC_STATUS_BYTE_CNT_EXP     0x0000000000000400ULL
+#define  BTXMAC_STATUS_FRAME_CNT_EXP    0x0000000000000800ULL
+
+#define BRXMAC_STATUS                   0x00028UL
+#define  BRXMAC_STATUS_RX_PKT           0x0000000000000001ULL
+#define  BRXMAC_STATUS_OVERFLOW         0x0000000000000002ULL
+#define  BRXMAC_STATUS_FRAME_CNT_EXP    0x0000000000000004ULL
+#define  BRXMAC_STATUS_ALIGN_ERR_EXP    0x0000000000000008ULL
+#define  BRXMAC_STATUS_CRC_ERR_EXP      0x0000000000000010ULL
+#define  BRXMAC_STATUS_LEN_ERR_EXP      0x0000000000000020ULL
+
+#define BMAC_CTRL_STATUS                0x00030UL
+#define  BMAC_CTRL_STATUS_PAUSE_RECV    0x0000000000000001ULL
+#define  BMAC_CTRL_STATUS_PAUSE         0x0000000000000002ULL
+#define  BMAC_CTRL_STATUS_NOPAUSE       0x0000000000000004ULL
+#define  BMAC_CTRL_STATUS_TIME          0x00000000ffff0000ULL
+#define  BMAC_CTRL_STATUS_TIME_SHIFT    16
+
+#define BTXMAC_STATUS_MASK              0x00040UL
+#define BRXMAC_STATUS_MASK              0x00048UL
+#define BMAC_CTRL_STATUS_MASK           0x00050UL
+
+#define BTXMAC_CONFIG                   0x00060UL
+#define  BTXMAC_CONFIG_ENABLE           0x0000000000000001ULL
+#define  BTXMAC_CONFIG_FCS_DISABLE      0x0000000000000002ULL
+
+#define BRXMAC_CONFIG                   0x00068UL
+#define  BRXMAC_CONFIG_DISCARD_DIS      0x0000000000000080ULL
+#define  BRXMAC_CONFIG_ADDR_FILT_EN     0x0000000000000040ULL
+#define  BRXMAC_CONFIG_HASH_FILT_EN     0x0000000000000020ULL
+#define  BRXMAC_CONFIG_PROMISC_GRP      0x0000000000000010ULL
+#define  BRXMAC_CONFIG_PROMISC          0x0000000000000008ULL
+#define  BRXMAC_CONFIG_STRIP_FCS        0x0000000000000004ULL
+#define  BRXMAC_CONFIG_STRIP_PAD        0x0000000000000002ULL
+#define  BRXMAC_CONFIG_ENABLE           0x0000000000000001ULL
+
+#define BMAC_CTRL_CONFIG                0x00070UL
+#define  BMAC_CTRL_CONFIG_TX_PAUSE_EN   0x0000000000000001ULL
+#define  BMAC_CTRL_CONFIG_RX_PAUSE_EN   0x0000000000000002ULL
+#define  BMAC_CTRL_CONFIG_PASS_CTRL     0x0000000000000004ULL
+
+#define BMAC_XIF_CONFIG                 0x00078UL
+#define  BMAC_XIF_CONFIG_TX_OUTPUT_EN   0x0000000000000001ULL
+#define  BMAC_XIF_CONFIG_MII_LOOPBACK   0x0000000000000002ULL
+#define  BMAC_XIF_CONFIG_GMII_MODE      0x0000000000000008ULL
+#define  BMAC_XIF_CONFIG_LINK_LED       0x0000000000000020ULL
+#define  BMAC_XIF_CONFIG_LED_POLARITY   0x0000000000000040ULL
+#define  BMAC_XIF_CONFIG_25MHZ_CLOCK    0x0000000000000080ULL
+
+#define BMAC_MIN_FRAME                  0x000a0UL
+#define  BMAC_MIN_FRAME_VAL             0x00000000000003ffULL
+
+#define BMAC_MAX_FRAME                  0x000a8UL
+#define  BMAC_MAX_FRAME_MAX_BURST       0x000000003fff0000ULL
+#define  BMAC_MAX_FRAME_MAX_BURST_SHIFT 16
+#define  BMAC_MAX_FRAME_MAX_FRAME       0x0000000000003fffULL
+#define  BMAC_MAX_FRAME_MAX_FRAME_SHIFT 0
+
+#define BMAC_PREAMBLE_SIZE              0x000b0UL
+#define  BMAC_PREAMBLE_SIZE_VAL         0x00000000000003ffULL
+
+#define BMAC_CTRL_TYPE                  0x000c8UL
+
+#define BMAC_ADDR0                      0x00100UL
+#define  BMAC_ADDR0_ADDR0               0x000000000000ffffULL
+
+#define BMAC_ADDR1                      0x00108UL
+#define  BMAC_ADDR1_ADDR1               0x000000000000ffffULL
+
+#define BMAC_ADDR2                      0x00110UL
+#define  BMAC_ADDR2_ADDR2               0x000000000000ffffULL
+
+#define BMAC_NUM_ALT_ADDR               7
+
+#define BMAC_ALT_ADDR0(NUM)             (0x00118UL + (NUM)*0x18UL)
+#define  BMAC_ALT_ADDR0_ADDR0           0x000000000000ffffULL
+
+#define BMAC_ALT_ADDR1(NUM)             (0x00120UL + (NUM)*0x18UL)
+#define  BMAC_ALT_ADDR1_ADDR1           0x000000000000ffffULL
+
+#define BMAC_ALT_ADDR2(NUM)             (0x00128UL + (NUM)*0x18UL)
+#define  BMAC_ALT_ADDR2_ADDR2           0x000000000000ffffULL
+
+#define BMAC_FC_ADDR0                   0x00268UL
+#define  BMAC_FC_ADDR0_ADDR0            0x000000000000ffffULL
+
+#define BMAC_FC_ADDR1                   0x00270UL
+#define  BMAC_FC_ADDR1_ADDR1            0x000000000000ffffULL
+
+#define BMAC_FC_ADDR2                   0x00278UL
+#define  BMAC_FC_ADDR2_ADDR2            0x000000000000ffffULL
+
+#define BMAC_ADD_FILT0                  0x00298UL
+#define  BMAC_ADD_FILT0_FILT0           0x000000000000ffffULL
+
+#define BMAC_ADD_FILT1                  0x002a0UL
+#define  BMAC_ADD_FILT1_FILT1           0x000000000000ffffULL
+
+#define BMAC_ADD_FILT2                  0x002a8UL
+#define  BMAC_ADD_FILT2_FILT2           0x000000000000ffffULL
+
+#define BMAC_ADD_FILT12_MASK            0x002b0UL
+#define  BMAC_ADD_FILT12_MASK_VAL       0x00000000000000ffULL
+
+#define BMAC_ADD_FILT00_MASK            0x002b8UL
+#define  BMAC_ADD_FILT00_MASK_VAL       0x000000000000ffffULL
+
+#define BMAC_HASH_TBL(NUM)              (0x002c0UL + (NUM) * 0x8UL)
+#define BMAC_HASH_TBL_VAL               0x000000000000ffffULL
+
+#define BRXMAC_FRAME_CNT                0x00370
+#define  BRXMAC_FRAME_CNT_COUNT         0x000000000000ffffULL
+
+#define BRXMAC_MAX_LEN_ERR_CNT          0x00378
+
+#define BRXMAC_ALIGN_ERR_CNT            0x00380
+#define  BRXMAC_ALIGN_ERR_CNT_COUNT     0x000000000000ffffULL
+
+#define BRXMAC_CRC_ERR_CNT              0x00388
+#define  BRXMAC_ALIGN_ERR_CNT_COUNT     0x000000000000ffffULL
+
+#define BRXMAC_CODE_VIOL_ERR_CNT        0x00390
+#define  BRXMAC_CODE_VIOL_ERR_CNT_COUNT 0x000000000000ffffULL
+
+#define BMAC_STATE_MACHINE              0x003a0
+
+#define BMAC_ADDR_CMPEN                 0x003f8UL
+#define  BMAC_ADDR_CMPEN_EN15           0x0000000000008000ULL
+#define  BMAC_ADDR_CMPEN_EN14           0x0000000000004000ULL
+#define  BMAC_ADDR_CMPEN_EN13           0x0000000000002000ULL
+#define  BMAC_ADDR_CMPEN_EN12           0x0000000000001000ULL
+#define  BMAC_ADDR_CMPEN_EN11           0x0000000000000800ULL
+#define  BMAC_ADDR_CMPEN_EN10           0x0000000000000400ULL
+#define  BMAC_ADDR_CMPEN_EN9            0x0000000000000200ULL
+#define  BMAC_ADDR_CMPEN_EN8            0x0000000000000100ULL
+#define  BMAC_ADDR_CMPEN_EN7            0x0000000000000080ULL
+#define  BMAC_ADDR_CMPEN_EN6            0x0000000000000040ULL
+#define  BMAC_ADDR_CMPEN_EN5            0x0000000000000020ULL
+#define  BMAC_ADDR_CMPEN_EN4            0x0000000000000010ULL
+#define  BMAC_ADDR_CMPEN_EN3            0x0000000000000008ULL
+#define  BMAC_ADDR_CMPEN_EN2            0x0000000000000004ULL
+#define  BMAC_ADDR_CMPEN_EN1            0x0000000000000002ULL
+#define  BMAC_ADDR_CMPEN_EN0            0x0000000000000001ULL
+
+#define BMAC_NUM_HOST_INFO              9
+
+#define BMAC_HOST_INFO(NUM)             (0x00400UL + (NUM) * 0x8UL)
+
+#define BTXMAC_BYTE_CNT                 0x00448UL
+#define  BTXMAC_BYTE_CNT_COUNT          0x00000000ffffffffULL
+
+#define BTXMAC_FRM_CNT                  0x00450UL
+#define  BTXMAC_FRM_CNT_COUNT           0x00000000ffffffffULL
+
+#define BRXMAC_BYTE_CNT                 0x00458UL
+#define  BRXMAC_BYTE_CNT_COUNT          0x00000000ffffffffULL
+
+#define HOST_INFO_MPR                   0x0000000000000100ULL
+#define HOST_INFO_MACRDCTBLN            0x0000000000000007ULL
+
+/* XPCS registers, offset from np->regs + np->xpcs_off  */
+
+#define XPCS_CONTROL1                   (FZC_MAC + 0x00000UL)
+#define  XPCS_CONTROL1_RESET            0x0000000000008000ULL
+#define  XPCS_CONTROL1_LOOPBACK         0x0000000000004000ULL
+#define  XPCS_CONTROL1_SPEED_SELECT3    0x0000000000002000ULL
+#define  XPCS_CONTROL1_CSR_LOW_PWR      0x0000000000000800ULL
+#define  XPCS_CONTROL1_CSR_SPEED1       0x0000000000000040ULL
+#define  XPCS_CONTROL1_CSR_SPEED0       0x000000000000003cULL
+
+#define XPCS_STATUS1                    (FZC_MAC + 0x00008UL)
+#define  XPCS_STATUS1_CSR_FAULT         0x0000000000000080ULL
+#define  XPCS_STATUS1_CSR_RXLNK_STAT    0x0000000000000004ULL
+#define  XPCS_STATUS1_CSR_LPWR_ABLE     0x0000000000000002ULL
+
+#define XPCS_DEVICE_IDENTIFIER          (FZC_MAC + 0x00010UL)
+#define  XPCS_DEVICE_IDENTIFIER_VAL     0x00000000ffffffffULL
+
+#define XPCS_SPEED_ABILITY              (FZC_MAC + 0x00018UL)
+#define  XPCS_SPEED_ABILITY_10GIG       0x0000000000000001ULL
+
+#define XPCS_DEV_IN_PKG                 (FZC_MAC + 0x00020UL)
+#define  XPCS_DEV_IN_PKG_CSR_VEND2      0x0000000080000000ULL
+#define  XPCS_DEV_IN_PKG_CSR_VEND1      0x0000000040000000ULL
+#define  XPCS_DEV_IN_PKG_DTE_XS         0x0000000000000020ULL
+#define  XPCS_DEV_IN_PKG_PHY_XS         0x0000000000000010ULL
+#define  XPCS_DEV_IN_PKG_PCS            0x0000000000000008ULL
+#define  XPCS_DEV_IN_PKG_WIS            0x0000000000000004ULL
+#define  XPCS_DEV_IN_PKG_PMD_PMA        0x0000000000000002ULL
+#define  XPCS_DEV_IN_PKG_CLS22          0x0000000000000001ULL
+
+#define XPCS_CONTROL2                   (FZC_MAC + 0x00028UL)
+#define  XPCS_CONTROL2_CSR_PSC_SEL      0x0000000000000003ULL
+
+#define XPCS_STATUS2                    (FZC_MAC + 0x00030UL)
+#define  XPCS_STATUS2_CSR_DEV_PRES      0x000000000000c000ULL
+#define  XPCS_STATUS2_CSR_TX_FAULT      0x0000000000000800ULL
+#define  XPCS_STATUS2_CSR_RCV_FAULT     0x0000000000000400ULL
+#define  XPCS_STATUS2_TEN_GBASE_W       0x0000000000000004ULL
+#define  XPCS_STATUS2_TEN_GBASE_X       0x0000000000000002ULL
+#define  XPCS_STATUS2_TEN_GBASE_R       0x0000000000000001ULL
+
+#define XPCS_PKG_ID                     (FZC_MAC + 0x00038UL)
+#define  XPCS_PKG_ID_VAL                0x00000000ffffffffULL
+
+#define XPCS_STATUS(IDX)                (FZC_MAC + 0x00040UL)
+#define  XPCS_STATUS_CSR_LANE_ALIGN     0x0000000000001000ULL
+#define  XPCS_STATUS_CSR_PATTEST_CAP    0x0000000000000800ULL
+#define  XPCS_STATUS_CSR_LANE3_SYNC     0x0000000000000008ULL
+#define  XPCS_STATUS_CSR_LANE2_SYNC     0x0000000000000004ULL
+#define  XPCS_STATUS_CSR_LANE1_SYNC     0x0000000000000002ULL
+#define  XPCS_STATUS_CSR_LANE0_SYNC     0x0000000000000001ULL
+
+#define XPCS_TEST_CONTROL               (FZC_MAC + 0x00048UL)
+#define  XPCS_TEST_CONTROL_TXTST_EN     0x0000000000000004ULL
+#define  XPCS_TEST_CONTROL_TPAT_SEL     0x0000000000000003ULL
+
+#define XPCS_CFG_VENDOR1                (FZC_MAC + 0x00050UL)
+#define  XPCS_CFG_VENDOR1_DBG_IOTST     0x0000000000000080ULL
+#define  XPCS_CFG_VENDOR1_DBG_SEL       0x0000000000000078ULL
+#define  XPCS_CFG_VENDOR1_BYPASS_DET    0x0000000000000004ULL
+#define  XPCS_CFG_VENDOR1_TXBUF_EN      0x0000000000000002ULL
+#define  XPCS_CFG_VENDOR1_XPCS_EN       0x0000000000000001ULL
+
+#define XPCS_DIAG_VENDOR2               (FZC_MAC + 0x00058UL)
+#define  XPCS_DIAG_VENDOR2_SSM_LANE3    0x0000000001e00000ULL
+#define  XPCS_DIAG_VENDOR2_SSM_LANE2    0x00000000001e0000ULL
+#define  XPCS_DIAG_VENDOR2_SSM_LANE1    0x000000000001e000ULL
+#define  XPCS_DIAG_VENDOR2_SSM_LANE0    0x0000000000001e00ULL
+#define  XPCS_DIAG_VENDOR2_EBUF_SM      0x00000000000001feULL
+#define  XPCS_DIAG_VENDOR2_RCV_SM       0x0000000000000001ULL
+
+#define XPCS_MASK1                      (FZC_MAC + 0x00060UL)
+#define  XPCS_MASK1_FAULT_MASK          0x0000000000000080ULL
+#define  XPCS_MASK1_RXALIGN_STAT_MSK    0x0000000000000004ULL
+
+#define XPCS_PKT_COUNT                  (FZC_MAC + 0x00068UL)
+#define  XPCS_PKT_COUNT_TX              0x00000000ffff0000ULL
+#define  XPCS_PKT_COUNT_RX              0x000000000000ffffULL
+
+#define XPCS_TX_SM                      (FZC_MAC + 0x00070UL)
+#define  XPCS_TX_SM_VAL                 0x000000000000000fULL
+
+#define XPCS_DESKEW_ERR_CNT             (FZC_MAC + 0x00078UL)
+#define  XPCS_DESKEW_ERR_CNT_VAL        0x00000000000000ffULL
+
+#define XPCS_SYMERR_CNT01               (FZC_MAC + 0x00080UL)
+#define  XPCS_SYMERR_CNT01_LANE1        0x00000000ffff0000ULL
+#define  XPCS_SYMERR_CNT01_LANE0        0x000000000000ffffULL
+
+#define XPCS_SYMERR_CNT23               (FZC_MAC + 0x00088UL)
+#define  XPCS_SYMERR_CNT23_LANE3        0x00000000ffff0000ULL
+#define  XPCS_SYMERR_CNT23_LANE2        0x000000000000ffffULL
+
+#define XPCS_TRAINING_VECTOR            (FZC_MAC + 0x00090UL)
+#define  XPCS_TRAINING_VECTOR_VAL       0x00000000ffffffffULL
+
+/* PCS registers, offset from np->regs + np->pcs_off  */
+
+#define PCS_MII_CTL                     (FZC_MAC + 0x00000UL)
+#define  PCS_MII_CTL_RST                0x0000000000008000ULL
+#define  PCS_MII_CTL_10_100_SPEED       0x0000000000002000ULL
+#define  PCS_MII_AUTONEG_EN             0x0000000000001000ULL
+#define  PCS_MII_PWR_DOWN               0x0000000000000800ULL
+#define  PCS_MII_ISOLATE                0x0000000000000400ULL
+#define  PCS_MII_AUTONEG_RESTART        0x0000000000000200ULL
+#define  PCS_MII_DUPLEX                 0x0000000000000100ULL
+#define  PCS_MII_COLL_TEST              0x0000000000000080ULL
+#define  PCS_MII_1000MB_SPEED           0x0000000000000040ULL
+
+#define PCS_MII_STAT                    (FZC_MAC + 0x00008UL)
+#define  PCS_MII_STAT_EXT_STATUS        0x0000000000000100ULL
+#define  PCS_MII_STAT_AUTONEG_DONE      0x0000000000000020ULL
+#define  PCS_MII_STAT_REMOTE_FAULT      0x0000000000000010ULL
+#define  PCS_MII_STAT_AUTONEG_ABLE      0x0000000000000008ULL
+#define  PCS_MII_STAT_LINK_STATUS       0x0000000000000004ULL
+#define  PCS_MII_STAT_JABBER_DET        0x0000000000000002ULL
+#define  PCS_MII_STAT_EXT_CAP           0x0000000000000001ULL
+
+#define PCS_MII_ADV                     (FZC_MAC + 0x00010UL)
+#define  PCS_MII_ADV_NEXT_PAGE          0x0000000000008000ULL
+#define  PCS_MII_ADV_ACK                0x0000000000004000ULL
+#define  PCS_MII_ADV_REMOTE_FAULT       0x0000000000003000ULL
+#define  PCS_MII_ADV_ASM_DIR            0x0000000000000100ULL
+#define  PCS_MII_ADV_PAUSE              0x0000000000000080ULL
+#define  PCS_MII_ADV_HALF_DUPLEX        0x0000000000000040ULL
+#define  PCS_MII_ADV_FULL_DUPLEX        0x0000000000000020ULL
+
+#define PCS_MII_PARTNER                 (FZC_MAC + 0x00018UL)
+#define  PCS_MII_PARTNER_NEXT_PAGE      0x0000000000008000ULL
+#define  PCS_MII_PARTNER_ACK            0x0000000000004000ULL
+#define  PCS_MII_PARTNER_REMOTE_FAULT   0x0000000000002000ULL
+#define  PCS_MII_PARTNER_PAUSE          0x0000000000000180ULL
+#define  PCS_MII_PARTNER_HALF_DUPLEX    0x0000000000000040ULL
+#define  PCS_MII_PARTNER_FULL_DUPLEX    0x0000000000000020ULL
+
+#define PCS_CONF                        (FZC_MAC + 0x00020UL)
+#define  PCS_CONF_MASK                  0x0000000000000040ULL
+#define  PCS_CONF_10MS_TMR_OVERRIDE     0x0000000000000020ULL
+#define  PCS_CONF_JITTER_STUDY          0x0000000000000018ULL
+#define  PCS_CONF_SIGDET_ACTIVE_LOW     0x0000000000000004ULL
+#define  PCS_CONF_SIGDET_OVERRIDE       0x0000000000000002ULL
+#define  PCS_CONF_ENABLE                0x0000000000000001ULL
+
+#define PCS_STATE                       (FZC_MAC + 0x00028UL)
+#define  PCS_STATE_D_PARTNER_FAIL       0x0000000020000000ULL
+#define  PCS_STATE_D_WAIT_C_CODES_ACK   0x0000000010000000ULL
+#define  PCS_STATE_D_SYNC_LOSS          0x0000000008000000ULL
+#define  PCS_STATE_D_NO_GOOD_C_CODES    0x0000000004000000ULL
+#define  PCS_STATE_D_SERDES             0x0000000002000000ULL
+#define  PCS_STATE_D_BREAKLINK_C_CODES  0x0000000001000000ULL
+#define  PCS_STATE_L_SIGDET             0x0000000000400000ULL
+#define  PCS_STATE_L_SYNC_LOSS          0x0000000000200000ULL
+#define  PCS_STATE_L_C_CODES            0x0000000000100000ULL
+#define  PCS_STATE_LINK_CFG_STATE       0x000000000001e000ULL
+#define  PCS_STATE_SEQ_DET_STATE        0x0000000000001800ULL
+#define  PCS_STATE_WORD_SYNC_STATE      0x0000000000000700ULL
+#define  PCS_STATE_NO_IDLE              0x000000000000000fULL
+
+#define PCS_INTERRUPT                   (FZC_MAC + 0x00030UL)
+#define  PCS_INTERRUPT_LSTATUS          0x0000000000000004ULL
+
+#define PCS_DPATH_MODE                  (FZC_MAC + 0x000a0UL)
+#define  PCS_DPATH_MODE_PCS             0x0000000000000000ULL
+#define  PCS_DPATH_MODE_MII             0x0000000000000002ULL
+#define  PCS_DPATH_MODE_LINKUP_F_ENAB   0x0000000000000001ULL
+
+#define PCS_PKT_CNT                     (FZC_MAC + 0x000c0UL)
+#define  PCS_PKT_CNT_RX                 0x0000000007ff0000ULL
+#define  PCS_PKT_CNT_TX                 0x00000000000007ffULL
+
+#define MIF_BB_MDC                      (FZC_MAC + 0x16000UL)
+#define  MIF_BB_MDC_CLK                 0x0000000000000001ULL
+
+#define MIF_BB_MDO                      (FZC_MAC + 0x16008UL)
+#define  MIF_BB_MDO_DAT                 0x0000000000000001ULL
+
+#define MIF_BB_MDO_EN                   (FZC_MAC + 0x16010UL)
+#define  MIF_BB_MDO_EN_VAL              0x0000000000000001ULL
+
+#define MIF_FRAME_OUTPUT                (FZC_MAC + 0x16018UL)
+#define  MIF_FRAME_OUTPUT_ST            0x00000000c0000000ULL
+#define  MIF_FRAME_OUTPUT_ST_SHIFT      30
+#define  MIF_FRAME_OUTPUT_OP_ADDR       0x0000000000000000ULL
+#define  MIF_FRAME_OUTPUT_OP_WRITE      0x0000000010000000ULL
+#define  MIF_FRAME_OUTPUT_OP_READ_INC   0x0000000020000000ULL
+#define  MIF_FRAME_OUTPUT_OP_READ       0x0000000030000000ULL
+#define  MIF_FRAME_OUTPUT_OP_SHIFT      28
+#define  MIF_FRAME_OUTPUT_PORT          0x000000000f800000ULL
+#define  MIF_FRAME_OUTPUT_PORT_SHIFT    23
+#define  MIF_FRAME_OUTPUT_REG           0x00000000007c0000ULL
+#define  MIF_FRAME_OUTPUT_REG_SHIFT     18
+#define  MIF_FRAME_OUTPUT_TA            0x0000000000030000ULL
+#define  MIF_FRAME_OUTPUT_TA_SHIFT      16
+#define  MIF_FRAME_OUTPUT_DATA          0x000000000000ffffULL
+#define  MIF_FRAME_OUTPUT_DATA_SHIFT    0
+
+#define MDIO_ADDR_OP(port, dev, reg) \
+        ((0 << MIF_FRAME_OUTPUT_ST_SHIFT) | \
+         MIF_FRAME_OUTPUT_OP_ADDR | \
+         (port << MIF_FRAME_OUTPUT_PORT_SHIFT) | \
+         (dev << MIF_FRAME_OUTPUT_REG_SHIFT) | \
+         (0x2 << MIF_FRAME_OUTPUT_TA_SHIFT) | \
+         (reg << MIF_FRAME_OUTPUT_DATA_SHIFT))
+
+#define MDIO_READ_OP(port, dev) \
+        ((0 << MIF_FRAME_OUTPUT_ST_SHIFT) | \
+         MIF_FRAME_OUTPUT_OP_READ | \
+         (port << MIF_FRAME_OUTPUT_PORT_SHIFT) | \
+         (dev << MIF_FRAME_OUTPUT_REG_SHIFT) | \
+         (0x2 << MIF_FRAME_OUTPUT_TA_SHIFT))
+
+#define MDIO_WRITE_OP(port, dev, data) \
+        ((0 << MIF_FRAME_OUTPUT_ST_SHIFT) | \
+         MIF_FRAME_OUTPUT_OP_WRITE | \
+         (port << MIF_FRAME_OUTPUT_PORT_SHIFT) | \
+         (dev << MIF_FRAME_OUTPUT_REG_SHIFT) | \
+         (0x2 << MIF_FRAME_OUTPUT_TA_SHIFT) | \
+         (data << MIF_FRAME_OUTPUT_DATA_SHIFT))
+
+#define MII_READ_OP(port, reg) \
+        ((1 << MIF_FRAME_OUTPUT_ST_SHIFT) | \
+         (2 << MIF_FRAME_OUTPUT_OP_SHIFT) | \
+         (port << MIF_FRAME_OUTPUT_PORT_SHIFT) | \
+         (reg << MIF_FRAME_OUTPUT_REG_SHIFT) | \
+         (0x2 << MIF_FRAME_OUTPUT_TA_SHIFT))
+
+#define MII_WRITE_OP(port, reg, data) \
+        ((1 << MIF_FRAME_OUTPUT_ST_SHIFT) | \
+         (1 << MIF_FRAME_OUTPUT_OP_SHIFT) | \
+         (port << MIF_FRAME_OUTPUT_PORT_SHIFT) | \
+         (reg << MIF_FRAME_OUTPUT_REG_SHIFT) | \
+         (0x2 << MIF_FRAME_OUTPUT_TA_SHIFT) | \
+         (data << MIF_FRAME_OUTPUT_DATA_SHIFT))
+
+#define MIF_CONFIG                      (FZC_MAC + 0x16020UL)
+#define  MIF_CONFIG_ATCA_GE             0x0000000000010000ULL
+#define  MIF_CONFIG_INDIRECT_MODE       0x0000000000008000ULL
+#define  MIF_CONFIG_POLL_PRT_PHYADDR    0x0000000000003c00ULL
+#define  MIF_CONFIG_POLL_DEV_REG_ADDR   0x00000000000003e0ULL
+#define  MIF_CONFIG_BB_MODE             0x0000000000000010ULL
+#define  MIF_CONFIG_POLL_EN             0x0000000000000008ULL
+#define  MIF_CONFIG_BB_SER_SEL          0x0000000000000006ULL
+#define  MIF_CONFIG_MANUAL_MODE         0x0000000000000001ULL
+
+#define MIF_POLL_STATUS                 (FZC_MAC + 0x16028UL)
+#define  MIF_POLL_STATUS_DATA           0x00000000ffff0000ULL
+#define  MIF_POLL_STATUS_STAT           0x000000000000ffffULL
+
+#define MIF_POLL_MASK                   (FZC_MAC + 0x16030UL)
+#define  MIF_POLL_MASK_VAL              0x000000000000ffffULL
+
+#define MIF_SM                          (FZC_MAC + 0x16038UL)
+#define  MIF_SM_PORT_ADDR               0x00000000001f0000ULL
+#define  MIF_SM_MDI_1                   0x0000000000004000ULL
+#define  MIF_SM_MDI_0                   0x0000000000002400ULL
+#define  MIF_SM_MDCLK                   0x0000000000001000ULL
+#define  MIF_SM_MDO_EN                  0x0000000000000800ULL
+#define  MIF_SM_MDO                     0x0000000000000400ULL
+#define  MIF_SM_MDI                     0x0000000000000200ULL
+#define  MIF_SM_CTL                     0x00000000000001c0ULL
+#define  MIF_SM_EX                      0x000000000000003fULL
+
+#define MIF_STATUS                      (FZC_MAC + 0x16040UL)
+#define  MIF_STATUS_MDINT1              0x0000000000000020ULL
+#define  MIF_STATUS_MDINT0              0x0000000000000010ULL
+
+#define MIF_MASK                        (FZC_MAC + 0x16048UL)
+#define  MIF_MASK_MDINT1                0x0000000000000020ULL
+#define  MIF_MASK_MDINT0                0x0000000000000010ULL
+#define  MIF_MASK_PEU_ERR               0x0000000000000008ULL
+#define  MIF_MASK_YC                    0x0000000000000004ULL
+#define  MIF_MASK_XGE_ERR0              0x0000000000000002ULL
+#define  MIF_MASK_MIF_INIT_DONE         0x0000000000000001ULL
+
+#define ENET_SERDES_RESET               (FZC_MAC + 0x14000UL)
+#define  ENET_SERDES_RESET_1            0x0000000000000002ULL
+#define  ENET_SERDES_RESET_0            0x0000000000000001ULL
+
+#define ENET_SERDES_CFG                 (FZC_MAC + 0x14008UL)
+#define  ENET_SERDES_BE_LOOPBACK        0x0000000000000002ULL
+#define  ENET_SERDES_CFG_FORCE_RDY      0x0000000000000001ULL
+
+#define ENET_SERDES_0_PLL_CFG           (FZC_MAC + 0x14010UL)
+#define  ENET_SERDES_PLL_FBDIV0         0x0000000000000001ULL
+#define  ENET_SERDES_PLL_FBDIV1         0x0000000000000002ULL
+#define  ENET_SERDES_PLL_FBDIV2         0x0000000000000004ULL
+#define  ENET_SERDES_PLL_HRATE0         0x0000000000000008ULL
+#define  ENET_SERDES_PLL_HRATE1         0x0000000000000010ULL
+#define  ENET_SERDES_PLL_HRATE2         0x0000000000000020ULL
+#define  ENET_SERDES_PLL_HRATE3         0x0000000000000040ULL
+
+#define ENET_SERDES_0_CTRL_CFG          (FZC_MAC + 0x14018UL)
+#define  ENET_SERDES_CTRL_SDET_0        0x0000000000000001ULL
+#define  ENET_SERDES_CTRL_SDET_1        0x0000000000000002ULL
+#define  ENET_SERDES_CTRL_SDET_2        0x0000000000000004ULL
+#define  ENET_SERDES_CTRL_SDET_3        0x0000000000000008ULL
+#define  ENET_SERDES_CTRL_EMPH_0        0x0000000000000070ULL
+#define  ENET_SERDES_CTRL_EMPH_0_SHIFT  4
+#define  ENET_SERDES_CTRL_EMPH_1        0x0000000000000380ULL
+#define  ENET_SERDES_CTRL_EMPH_1_SHIFT  7
+#define  ENET_SERDES_CTRL_EMPH_2        0x0000000000001c00ULL
+#define  ENET_SERDES_CTRL_EMPH_2_SHIFT  10
+#define  ENET_SERDES_CTRL_EMPH_3        0x000000000000e000ULL
+#define  ENET_SERDES_CTRL_EMPH_3_SHIFT  13
+#define  ENET_SERDES_CTRL_LADJ_0        0x0000000000070000ULL
+#define  ENET_SERDES_CTRL_LADJ_0_SHIFT  16
+#define  ENET_SERDES_CTRL_LADJ_1        0x0000000000380000ULL
+#define  ENET_SERDES_CTRL_LADJ_1_SHIFT  19
+#define  ENET_SERDES_CTRL_LADJ_2        0x0000000001c00000ULL
+#define  ENET_SERDES_CTRL_LADJ_2_SHIFT  22
+#define  ENET_SERDES_CTRL_LADJ_3        0x000000000e000000ULL
+#define  ENET_SERDES_CTRL_LADJ_3_SHIFT  25
+#define  ENET_SERDES_CTRL_RXITERM_0     0x0000000010000000ULL
+#define  ENET_SERDES_CTRL_RXITERM_1     0x0000000020000000ULL
+#define  ENET_SERDES_CTRL_RXITERM_2     0x0000000040000000ULL
+#define  ENET_SERDES_CTRL_RXITERM_3     0x0000000080000000ULL
+
+#define ENET_SERDES_0_TEST_CFG          (FZC_MAC + 0x14020UL)
+#define  ENET_SERDES_TEST_MD_0          0x0000000000000003ULL
+#define  ENET_SERDES_TEST_MD_0_SHIFT    0
+#define  ENET_SERDES_TEST_MD_1          0x000000000000000cULL
+#define  ENET_SERDES_TEST_MD_1_SHIFT    2
+#define  ENET_SERDES_TEST_MD_2          0x0000000000000030ULL
+#define  ENET_SERDES_TEST_MD_2_SHIFT    4
+#define  ENET_SERDES_TEST_MD_3          0x00000000000000c0ULL
+#define  ENET_SERDES_TEST_MD_3_SHIFT    6
+
+#define ENET_TEST_MD_NO_LOOPBACK        0x0
+#define ENET_TEST_MD_EWRAP              0x1
+#define ENET_TEST_MD_PAD_LOOPBACK       0x2
+#define ENET_TEST_MD_REV_LOOPBACK       0x3
+
+#define ENET_SERDES_1_PLL_CFG           (FZC_MAC + 0x14028UL)
+#define ENET_SERDES_1_CTRL_CFG          (FZC_MAC + 0x14030UL)
+#define ENET_SERDES_1_TEST_CFG          (FZC_MAC + 0x14038UL)
+
+#define ENET_RGMII_CFG_REG              (FZC_MAC + 0x14040UL)
+
+#define ESR_INT_SIGNALS                 (FZC_MAC + 0x14800UL)
+#define  ESR_INT_SIGNALS_ALL            0x00000000ffffffffULL
+#define  ESR_INT_SIGNALS_P0_BITS        0x0000000033e0000fULL
+#define  ESR_INT_SIGNALS_P1_BITS        0x000000000c1f00f0ULL
+#define  ESR_INT_SRDY0_P0               0x0000000020000000ULL
+#define  ESR_INT_DET0_P0                0x0000000010000000ULL
+#define  ESR_INT_SRDY0_P1               0x0000000008000000ULL
+#define  ESR_INT_DET0_P1                0x0000000004000000ULL
+#define  ESR_INT_XSRDY_P0               0x0000000002000000ULL
+#define  ESR_INT_XDP_P0_CH3             0x0000000001000000ULL
+#define  ESR_INT_XDP_P0_CH2             0x0000000000800000ULL
+#define  ESR_INT_XDP_P0_CH1             0x0000000000400000ULL
+#define  ESR_INT_XDP_P0_CH0             0x0000000000200000ULL
+#define  ESR_INT_XSRDY_P1               0x0000000000100000ULL
+#define  ESR_INT_XDP_P1_CH3             0x0000000000080000ULL
+#define  ESR_INT_XDP_P1_CH2             0x0000000000040000ULL
+#define  ESR_INT_XDP_P1_CH1             0x0000000000020000ULL
+#define  ESR_INT_XDP_P1_CH0             0x0000000000010000ULL
+#define  ESR_INT_SLOSS_P1_CH3           0x0000000000000080ULL
+#define  ESR_INT_SLOSS_P1_CH2           0x0000000000000040ULL
+#define  ESR_INT_SLOSS_P1_CH1           0x0000000000000020ULL
+#define  ESR_INT_SLOSS_P1_CH0           0x0000000000000010ULL
+#define  ESR_INT_SLOSS_P0_CH3           0x0000000000000008ULL
+#define  ESR_INT_SLOSS_P0_CH2           0x0000000000000004ULL
+#define  ESR_INT_SLOSS_P0_CH1           0x0000000000000002ULL
+#define  ESR_INT_SLOSS_P0_CH0           0x0000000000000001ULL
+
+#define ESR_DEBUG_SEL                   (FZC_MAC + 0x14808UL)
+#define  ESR_DEBUG_SEL_VAL              0x000000000000003fULL
+
+/* SerDes registers behind MIF */
+#define NIU_ESR_DEV_ADDR                0x1e
+#define ESR_BASE                        0x0000
+
+#define ESR_RXTX_COMM_CTRL_L            (ESR_BASE + 0x0000)
+#define ESR_RXTX_COMM_CTRL_H            (ESR_BASE + 0x0001)
+
+#define ESR_RXTX_RESET_CTRL_L           (ESR_BASE + 0x0002)
+#define ESR_RXTX_RESET_CTRL_H           (ESR_BASE + 0x0003)
+
+#define ESR_RX_POWER_CTRL_L             (ESR_BASE + 0x0004)
+#define ESR_RX_POWER_CTRL_H             (ESR_BASE + 0x0005)
+
+#define ESR_TX_POWER_CTRL_L             (ESR_BASE + 0x0006)
+#define ESR_TX_POWER_CTRL_H             (ESR_BASE + 0x0007)
+
+#define ESR_MISC_POWER_CTRL_L           (ESR_BASE + 0x0008)
+#define ESR_MISC_POWER_CTRL_H           (ESR_BASE + 0x0009)
+
+#define ESR_RXTX_CTRL_L(CHAN)           (ESR_BASE + 0x0080 + (CHAN) * 0x10)
+#define ESR_RXTX_CTRL_H(CHAN)           (ESR_BASE + 0x0081 + (CHAN) * 0x10)
+#define  ESR_RXTX_CTRL_BIASCNTL         0x80000000
+#define  ESR_RXTX_CTRL_RESV1            0x7c000000
+#define  ESR_RXTX_CTRL_TDENFIFO         0x02000000
+#define  ESR_RXTX_CTRL_TDWS20           0x01000000
+#define  ESR_RXTX_CTRL_VMUXLO           0x00c00000
+#define  ESR_RXTX_CTRL_VMUXLO_SHIFT     22
+#define  ESR_RXTX_CTRL_VPULSELO         0x00300000
+#define  ESR_RXTX_CTRL_VPULSELO_SHIFT   20
+#define  ESR_RXTX_CTRL_RESV2            0x000f0000
+#define  ESR_RXTX_CTRL_RESV3            0x0000c000
+#define  ESR_RXTX_CTRL_RXPRESWIN        0x00003000
+#define  ESR_RXTX_CTRL_RXPRESWIN_SHIFT  12
+#define  ESR_RXTX_CTRL_RESV4            0x00000800
+#define  ESR_RXTX_CTRL_RISEFALL         0x00000700
+#define  ESR_RXTX_CTRL_RISEFALL_SHIFT   8
+#define  ESR_RXTX_CTRL_RESV5            0x000000fe
+#define  ESR_RXTX_CTRL_ENSTRETCH        0x00000001
+
+#define ESR_RXTX_TUNING_L(CHAN)         (ESR_BASE + 0x0082 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING_H(CHAN)         (ESR_BASE + 0x0083 + (CHAN) * 0x10)
+
+#define ESR_RX_SYNCCHAR_L(CHAN)         (ESR_BASE + 0x0084 + (CHAN) * 0x10)
+#define ESR_RX_SYNCCHAR_H(CHAN)         (ESR_BASE + 0x0085 + (CHAN) * 0x10)
+
+#define ESR_RXTX_TEST_L(CHAN)           (ESR_BASE + 0x0086 + (CHAN) * 0x10)
+#define ESR_RXTX_TEST_H(CHAN)           (ESR_BASE + 0x0087 + (CHAN) * 0x10)
+
+#define ESR_GLUE_CTRL0_L(CHAN)          (ESR_BASE + 0x0088 + (CHAN) * 0x10)
+#define ESR_GLUE_CTRL0_H(CHAN)          (ESR_BASE + 0x0089 + (CHAN) * 0x10)
+#define  ESR_GLUE_CTRL0_RESV1           0xf8000000
+#define  ESR_GLUE_CTRL0_BLTIME          0x07000000
+#define  ESR_GLUE_CTRL0_BLTIME_SHIFT    24
+#define  ESR_GLUE_CTRL0_RESV2           0x00ff0000
+#define  ESR_GLUE_CTRL0_RXLOS_TEST      0x00008000
+#define  ESR_GLUE_CTRL0_RESV3           0x00004000
+#define  ESR_GLUE_CTRL0_RXLOSENAB       0x00002000
+#define  ESR_GLUE_CTRL0_FASTRESYNC      0x00001000
+#define  ESR_GLUE_CTRL0_SRATE           0x00000f00
+#define  ESR_GLUE_CTRL0_SRATE_SHIFT     8
+#define  ESR_GLUE_CTRL0_THCNT           0x000000ff
+#define  ESR_GLUE_CTRL0_THCNT_SHIFT     0
+
+#define BLTIME_64_CYCLES                0
+#define BLTIME_128_CYCLES               1
+#define BLTIME_256_CYCLES               2
+#define BLTIME_300_CYCLES               3
+#define BLTIME_384_CYCLES               4
+#define BLTIME_512_CYCLES               5
+#define BLTIME_1024_CYCLES              6
+#define BLTIME_2048_CYCLES              7
+
+#define ESR_GLUE_CTRL1_L(CHAN)          (ESR_BASE + 0x008a + (CHAN) * 0x10)
+#define ESR_GLUE_CTRL1_H(CHAN)          (ESR_BASE + 0x008b + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING1_L(CHAN)        (ESR_BASE + 0x00c2 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING1_H(CHAN)        (ESR_BASE + 0x00c2 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING2_L(CHAN)        (ESR_BASE + 0x0102 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING2_H(CHAN)        (ESR_BASE + 0x0102 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING3_L(CHAN)        (ESR_BASE + 0x0142 + (CHAN) * 0x10)
+#define ESR_RXTX_TUNING3_H(CHAN)        (ESR_BASE + 0x0142 + (CHAN) * 0x10)
+
+#define NIU_ESR2_DEV_ADDR               0x1e
+#define ESR2_BASE                       0x8000
+
+#define ESR2_TI_PLL_CFG_L               (ESR2_BASE + 0x000)
+#define ESR2_TI_PLL_CFG_H               (ESR2_BASE + 0x001)
+#define  PLL_CFG_STD                    0x00000c00
+#define  PLL_CFG_STD_SHIFT              10
+#define  PLL_CFG_LD                     0x00000300
+#define  PLL_CFG_LD_SHIFT               8
+#define  PLL_CFG_MPY                    0x0000001e
+#define  PLL_CFG_MPY_SHIFT              1
+#define  PLL_CFG_ENPLL                  0x00000001
+
+#define ESR2_TI_PLL_STS_L               (ESR2_BASE + 0x002)
+#define ESR2_TI_PLL_STS_H               (ESR2_BASE + 0x003)
+#define  PLL_STS_LOCK                   0x00000001
+
+#define ESR2_TI_PLL_TEST_CFG_L          (ESR2_BASE + 0x004)
+#define ESR2_TI_PLL_TEST_CFG_H          (ESR2_BASE + 0x005)
+#define  PLL_TEST_INVPATT               0x00004000
+#define  PLL_TEST_RATE                  0x00003000
+#define  PLL_TEST_RATE_SHIFT            12
+#define  PLL_TEST_CFG_ENBSAC            0x00000400
+#define  PLL_TEST_CFG_ENBSRX            0x00000200
+#define  PLL_TEST_CFG_ENBSTX            0x00000100
+#define  PLL_TEST_CFG_LOOPBACK_PAD      0x00000040
+#define  PLL_TEST_CFG_LOOPBACK_CML_DIS  0x00000080
+#define  PLL_TEST_CFG_LOOPBACK_CML_EN   0x000000c0
+#define  PLL_TEST_CFG_CLKBYP            0x00000030
+#define  PLL_TEST_CFG_CLKBYP_SHIFT      4
+#define  PLL_TEST_CFG_EN_RXPATT         0x00000008
+#define  PLL_TEST_CFG_EN_TXPATT         0x00000004
+#define  PLL_TEST_CFG_TPATT             0x00000003
+#define  PLL_TEST_CFG_TPATT_SHIFT       0
+
+#define ESR2_TI_PLL_TX_CFG_L(CHAN)      (ESR2_BASE + 0x100 + (CHAN) * 4)
+#define ESR2_TI_PLL_TX_CFG_H(CHAN)      (ESR2_BASE + 0x101 + (CHAN) * 4)
+#define  PLL_TX_CFG_RDTCT               0x00600000
+#define  PLL_TX_CFG_RDTCT_SHIFT         21
+#define  PLL_TX_CFG_ENIDL               0x00100000
+#define  PLL_TX_CFG_BSTX                0x00020000
+#define  PLL_TX_CFG_ENFTP               0x00010000
+#define  PLL_TX_CFG_DE                  0x0000f000
+#define  PLL_TX_CFG_DE_SHIFT            12
+#define  PLL_TX_CFG_SWING_125MV         0x00000000
+#define  PLL_TX_CFG_SWING_250MV         0x00000200
+#define  PLL_TX_CFG_SWING_500MV         0x00000400
+#define  PLL_TX_CFG_SWING_625MV         0x00000600
+#define  PLL_TX_CFG_SWING_750MV         0x00000800
+#define  PLL_TX_CFG_SWING_1000MV        0x00000a00
+#define  PLL_TX_CFG_SWING_1250MV        0x00000c00
+#define  PLL_TX_CFG_SWING_1375MV        0x00000e00
+#define  PLL_TX_CFG_CM                  0x00000100
+#define  PLL_TX_CFG_INVPAIR             0x00000080
+#define  PLL_TX_CFG_RATE                0x00000060
+#define  PLL_TX_CFG_RATE_SHIFT          5
+#define  PLL_TX_CFG_BUSWIDTH            0x0000001c
+#define  PLL_TX_CFG_BUSWIDTH_SHIFT      2
+#define  PLL_TX_CFG_ENTEST              0x00000002
+#define  PLL_TX_CFG_ENTX                0x00000001
+
+#define ESR2_TI_PLL_TX_STS_L(CHAN)      (ESR2_BASE + 0x102 + (CHAN) * 4)
+#define ESR2_TI_PLL_TX_STS_H(CHAN)      (ESR2_BASE + 0x103 + (CHAN) * 4)
+#define  PLL_TX_STS_RDTCTIP             0x00000002
+#define  PLL_TX_STS_TESTFAIL            0x00000001
+
+#define ESR2_TI_PLL_RX_CFG_L(CHAN)      (ESR2_BASE + 0x120 + (CHAN) * 4)
+#define ESR2_TI_PLL_RX_CFG_H(CHAN)      (ESR2_BASE + 0x121 + (CHAN) * 4)
+#define  PLL_RX_CFG_BSINRXN             0x02000000
+#define  PLL_RX_CFG_BSINRXP             0x01000000
+#define  PLL_RX_CFG_EQ_MAX_LF           0x00000000
+#define  PLL_RX_CFG_EQ_LP_ADAPTIVE      0x00080000
+#define  PLL_RX_CFG_EQ_LP_1084MHZ       0x00400000
+#define  PLL_RX_CFG_EQ_LP_805MHZ        0x00480000
+#define  PLL_RX_CFG_EQ_LP_573MHZ        0x00500000
+#define  PLL_RX_CFG_EQ_LP_402MHZ        0x00580000
+#define  PLL_RX_CFG_EQ_LP_304MHZ        0x00600000
+#define  PLL_RX_CFG_EQ_LP_216MHZ        0x00680000
+#define  PLL_RX_CFG_EQ_LP_156MHZ        0x00700000
+#define  PLL_RX_CFG_EQ_LP_135MHZ        0x00780000
+#define  PLL_RX_CFG_EQ_SHIFT            19
+#define  PLL_RX_CFG_CDR                 0x00070000
+#define  PLL_RX_CFG_CDR_SHIFT           16
+#define  PLL_RX_CFG_LOS_DIS             0x00000000
+#define  PLL_RX_CFG_LOS_HTHRESH         0x00004000
+#define  PLL_RX_CFG_LOS_LTHRESH         0x00008000
+#define  PLL_RX_CFG_ALIGN_DIS           0x00000000
+#define  PLL_RX_CFG_ALIGN_ENA           0x00001000
+#define  PLL_RX_CFG_ALIGN_JOG           0x00002000
+#define  PLL_RX_CFG_TERM_VDDT           0x00000000
+#define  PLL_RX_CFG_TERM_0P8VDDT        0x00000100
+#define  PLL_RX_CFG_TERM_FLOAT          0x00000300
+#define  PLL_RX_CFG_INVPAIR             0x00000080
+#define  PLL_RX_CFG_RATE                0x00000060
+#define  PLL_RX_CFG_RATE_SHIFT          5
+#define  PLL_RX_CFG_BUSWIDTH            0x0000001c
+#define  PLL_RX_CFG_BUSWIDTH_SHIFT      2
+#define  PLL_RX_CFG_ENTEST              0x00000002
+#define  PLL_RX_CFG_ENRX                0x00000001
+
+#define ESR2_TI_PLL_RX_STS_L(CHAN)      (ESR2_BASE + 0x122 + (CHAN) * 4)
+#define ESR2_TI_PLL_RX_STS_H(CHAN)      (ESR2_BASE + 0x123 + (CHAN) * 4)
+#define  PLL_RX_STS_CRCIDTCT            0x00000200
+#define  PLL_RX_STS_CWDTCT              0x00000100
+#define  PLL_RX_STS_BSRXN               0x00000020
+#define  PLL_RX_STS_BSRXP               0x00000010
+#define  PLL_RX_STS_LOSDTCT             0x00000008
+#define  PLL_RX_STS_ODDCG               0x00000004
+#define  PLL_RX_STS_SYNC                0x00000002
+#define  PLL_RX_STS_TESTFAIL            0x00000001
+
+#define ENET_VLAN_TBL(IDX)              (FZC_FFLP + 0x00000UL + (IDX) * 8UL)
+#define  ENET_VLAN_TBL_PARITY1          0x0000000000020000ULL
+#define  ENET_VLAN_TBL_PARITY0          0x0000000000010000ULL
+#define  ENET_VLAN_TBL_VPR              0x0000000000000008ULL
+#define  ENET_VLAN_TBL_VLANRDCTBLN      0x0000000000000007ULL
+#define  ENET_VLAN_TBL_SHIFT(PORT)      ((PORT) * 4)
+
+#define ENET_VLAN_TBL_NUM_ENTRIES       4096
+
+#define FFLP_VLAN_PAR_ERR               (FZC_FFLP + 0x0800UL)
+#define  FFLP_VLAN_PAR_ERR_ERR          0x0000000080000000ULL
+#define  FFLP_VLAN_PAR_ERR_M_ERR        0x0000000040000000ULL
+#define  FFLP_VLAN_PAR_ERR_ADDR         0x000000003ffc0000ULL
+#define  FFLP_VLAN_PAR_ERR_DATA         0x000000000003ffffULL
+
+#define L2_CLS(IDX)                     (FZC_FFLP + 0x20000UL + (IDX) * 8UL)
+#define  L2_CLS_VLD                     0x0000000000010000ULL
+#define  L2_CLS_ETYPE                   0x000000000000ffffULL
+#define  L2_CLS_ETYPE_SHIFT             0
+
+#define L3_CLS(IDX)                     (FZC_FFLP + 0x20010UL + (IDX) * 8UL)
+#define  L3_CLS_VALID                   0x0000000002000000ULL
+#define  L3_CLS_IPVER                   0x0000000001000000ULL
+#define  L3_CLS_PID                     0x0000000000ff0000ULL
+#define  L3_CLS_PID_SHIFT               16
+#define  L3_CLS_TOSMASK                 0x000000000000ff00ULL
+#define  L3_CLS_TOSMASK_SHIFT           8
+#define  L3_CLS_TOS                     0x00000000000000ffULL
+#define  L3_CLS_TOS_SHIFT               0
+
+#define TCAM_KEY(IDX)                   (FZC_FFLP + 0x20030UL + (IDX) * 8UL)
+#define  TCAM_KEY_DISC                  0x0000000000000008ULL
+#define  TCAM_KEY_TSEL                  0x0000000000000004ULL
+#define  TCAM_KEY_IPADDR                0x0000000000000001ULL
+
+#define TCAM_KEY_0                      (FZC_FFLP + 0x20090UL)
+#define  TCAM_KEY_0_KEY                 0x00000000000000ffULL /* bits 192-199 */
+
+#define TCAM_KEY_1                      (FZC_FFLP + 0x20098UL)
+#define  TCAM_KEY_1_KEY                 0xffffffffffffffffULL /* bits 128-191 */
+
+#define TCAM_KEY_2                      (FZC_FFLP + 0x200a0UL)
+#define  TCAM_KEY_2_KEY                 0xffffffffffffffffULL /* bits 64-127 */
+
+#define TCAM_KEY_3                      (FZC_FFLP + 0x200a8UL)
+#define  TCAM_KEY_3_KEY                 0xffffffffffffffffULL /* bits 0-63 */
+
+#define TCAM_KEY_MASK_0                 (FZC_FFLP + 0x200b0UL)
+#define  TCAM_KEY_MASK_0_KEY_SEL        0x00000000000000ffULL /* bits 192-199 */
+
+#define TCAM_KEY_MASK_1                 (FZC_FFLP + 0x200b8UL)
+#define  TCAM_KEY_MASK_1_KEY_SEL        0xffffffffffffffffULL /* bits 128-191 */
+
+#define TCAM_KEY_MASK_2                 (FZC_FFLP + 0x200c0UL)
+#define  TCAM_KEY_MASK_2_KEY_SEL        0xffffffffffffffffULL /* bits 64-127 */
+
+#define TCAM_KEY_MASK_3                 (FZC_FFLP + 0x200c8UL)
+#define  TCAM_KEY_MASK_3_KEY_SEL        0xffffffffffffffffULL /* bits 0-63 */
+
+#define TCAM_CTL                        (FZC_FFLP + 0x200d0UL)
+#define  TCAM_CTL_RWC                   0x00000000001c0000ULL
+#define  TCAM_CTL_RWC_TCAM_WRITE        0x0000000000000000ULL
+#define  TCAM_CTL_RWC_TCAM_READ         0x0000000000040000ULL
+#define  TCAM_CTL_RWC_TCAM_COMPARE      0x0000000000080000ULL
+#define  TCAM_CTL_RWC_RAM_WRITE         0x0000000000100000ULL
+#define  TCAM_CTL_RWC_RAM_READ          0x0000000000140000ULL
+#define  TCAM_CTL_STAT                  0x0000000000020000ULL
+#define  TCAM_CTL_MATCH                 0x0000000000010000ULL
+#define  TCAM_CTL_LOC                   0x00000000000003ffULL
+
+#define TCAM_ERR                        (FZC_FFLP + 0x200d8UL)
+#define  TCAM_ERR_ERR                   0x0000000080000000ULL
+#define  TCAM_ERR_P_ECC                 0x0000000040000000ULL
+#define  TCAM_ERR_MULT                  0x0000000020000000ULL
+#define  TCAM_ERR_ADDR                  0x0000000000ff0000ULL
+#define  TCAM_ERR_SYNDROME              0x000000000000ffffULL
+
+#define HASH_LOOKUP_ERR_LOG1            (FZC_FFLP + 0x200e0UL)
+#define  HASH_LOOKUP_ERR_LOG1_ERR       0x0000000000000008ULL
+#define  HASH_LOOKUP_ERR_LOG1_MULT_LK   0x0000000000000004ULL
+#define  HASH_LOOKUP_ERR_LOG1_CU        0x0000000000000002ULL
+#define  HASH_LOOKUP_ERR_LOG1_MULT_BIT  0x0000000000000001ULL
+
+#define HASH_LOOKUP_ERR_LOG2            (FZC_FFLP + 0x200e8UL)
+#define  HASH_LOOKUP_ERR_LOG2_H1        0x000000007ffff800ULL
+#define  HASH_LOOKUP_ERR_LOG2_SUBAREA   0x0000000000000700ULL
+#define  HASH_LOOKUP_ERR_LOG2_SYNDROME  0x00000000000000ffULL
+
+#define FFLP_CFG_1                      (FZC_FFLP + 0x20100UL)
+#define  FFLP_CFG_1_TCAM_DIS            0x0000000004000000ULL
+#define  FFLP_CFG_1_PIO_DBG_SEL         0x0000000003800000ULL
+#define  FFLP_CFG_1_PIO_FIO_RST         0x0000000000400000ULL
+#define  FFLP_CFG_1_PIO_FIO_LAT         0x0000000000300000ULL
+#define  FFLP_CFG_1_CAMLAT              0x00000000000f0000ULL
+#define  FFLP_CFG_1_CAMLAT_SHIFT        16
+#define  FFLP_CFG_1_CAMRATIO            0x000000000000f000ULL
+#define  FFLP_CFG_1_CAMRATIO_SHIFT      12
+#define  FFLP_CFG_1_FCRAMRATIO          0x0000000000000f00ULL
+#define  FFLP_CFG_1_FCRAMRATIO_SHIFT    8
+#define  FFLP_CFG_1_FCRAMOUTDR_MASK     0x00000000000000f0ULL
+#define  FFLP_CFG_1_FCRAMOUTDR_NORMAL   0x0000000000000000ULL
+#define  FFLP_CFG_1_FCRAMOUTDR_STRONG   0x0000000000000050ULL
+#define  FFLP_CFG_1_FCRAMOUTDR_WEAK     0x00000000000000a0ULL
+#define  FFLP_CFG_1_FCRAMQS             0x0000000000000008ULL
+#define  FFLP_CFG_1_ERRORDIS            0x0000000000000004ULL
+#define  FFLP_CFG_1_FFLPINITDONE        0x0000000000000002ULL
+#define  FFLP_CFG_1_LLCSNAP             0x0000000000000001ULL
+
+#define DEFAULT_FCRAMRATIO              10
+
+#define DEFAULT_TCAM_LATENCY            4
+#define DEFAULT_TCAM_ACCESS_RATIO       10
+
+#define TCP_CFLAG_MSK                   (FZC_FFLP + 0x20108UL)
+#define  TCP_CFLAG_MSK_MASK             0x0000000000000fffULL
+
+#define FCRAM_REF_TMR                   (FZC_FFLP + 0x20110UL)
+#define  FCRAM_REF_TMR_MAX              0x00000000ffff0000ULL
+#define  FCRAM_REF_TMR_MAX_SHIFT        16
+#define  FCRAM_REF_TMR_MIN              0x000000000000ffffULL
+#define  FCRAM_REF_TMR_MIN_SHIFT        0
+
+#define DEFAULT_FCRAM_REFRESH_MAX       512
+#define DEFAULT_FCRAM_REFRESH_MIN       512
+
+#define FCRAM_FIO_ADDR                  (FZC_FFLP + 0x20118UL)
+#define  FCRAM_FIO_ADDR_ADDR            0x00000000000000ffULL
+
+#define FCRAM_FIO_DAT                   (FZC_FFLP + 0x20120UL)
+#define  FCRAM_FIO_DAT_DATA             0x000000000000ffffULL
+
+#define FCRAM_ERR_TST0                  (FZC_FFLP + 0x20128UL)
+#define  FCRAM_ERR_TST0_SYND            0x00000000000000ffULL
+
+#define FCRAM_ERR_TST1                  (FZC_FFLP + 0x20130UL)
+#define  FCRAM_ERR_TST1_DAT             0x00000000ffffffffULL
+
+#define FCRAM_ERR_TST2                  (FZC_FFLP + 0x20138UL)
+#define  FCRAM_ERR_TST2_DAT             0x00000000ffffffffULL
+
+#define FFLP_ERR_MASK                   (FZC_FFLP + 0x20140UL)
+#define  FFLP_ERR_MASK_HSH_TBL_DAT      0x00000000000007f8ULL
+#define  FFLP_ERR_MASK_HSH_TBL_LKUP     0x0000000000000004ULL
+#define  FFLP_ERR_MASK_TCAM             0x0000000000000002ULL
+#define  FFLP_ERR_MASK_VLAN             0x0000000000000001ULL
+
+#define FFLP_DBG_TRAIN_VCT              (FZC_FFLP + 0x20148UL)
+#define  FFLP_DBG_TRAIN_VCT_VECTOR      0x00000000ffffffffULL
+
+#define FCRAM_PHY_RD_LAT                (FZC_FFLP + 0x20150UL)
+#define  FCRAM_PHY_RD_LAT_LAT           0x00000000000000ffULL
+
+/* Ethernet TCAM format */
+#define TCAM_ETHKEY0_RESV1              0xffffffffffffff00ULL
+#define TCAM_ETHKEY0_CLASS_CODE         0x00000000000000f8ULL
+#define TCAM_ETHKEY0_CLASS_CODE_SHIFT   3
+#define TCAM_ETHKEY0_RESV2              0x0000000000000007ULL
+#define TCAM_ETHKEY1_FRAME_BYTE0_7(NUM) (0xff << ((7 - NUM) * 8))
+#define TCAM_ETHKEY2_FRAME_BYTE8        0xff00000000000000ULL
+#define TCAM_ETHKEY2_FRAME_BYTE8_SHIFT  56
+#define TCAM_ETHKEY2_FRAME_BYTE9        0x00ff000000000000ULL
+#define TCAM_ETHKEY2_FRAME_BYTE9_SHIFT  48
+#define TCAM_ETHKEY2_FRAME_BYTE10       0x0000ff0000000000ULL
+#define TCAM_ETHKEY2_FRAME_BYTE10_SHIFT 40
+#define TCAM_ETHKEY2_FRAME_RESV         0x000000ffffffffffULL
+#define TCAM_ETHKEY3_FRAME_RESV         0xffffffffffffffffULL
+
+/* IPV4 TCAM format */
+#define TCAM_V4KEY0_RESV1               0xffffffffffffff00ULL
+#define TCAM_V4KEY0_CLASS_CODE          0x00000000000000f8ULL
+#define TCAM_V4KEY0_CLASS_CODE_SHIFT    3
+#define TCAM_V4KEY0_RESV2               0x0000000000000007ULL
+#define TCAM_V4KEY1_L2RDCNUM            0xf800000000000000ULL
+#define TCAM_V4KEY1_L2RDCNUM_SHIFT      59
+#define TCAM_V4KEY1_NOPORT              0x0400000000000000ULL
+#define TCAM_V4KEY1_RESV                0x03ffffffffffffffULL
+#define TCAM_V4KEY2_RESV                0xffff000000000000ULL
+#define TCAM_V4KEY2_TOS                 0x0000ff0000000000ULL
+#define TCAM_V4KEY2_TOS_SHIFT           40
+#define TCAM_V4KEY2_PROTO               0x000000ff00000000ULL
+#define TCAM_V4KEY2_PROTO_SHIFT         32
+#define TCAM_V4KEY2_PORT_SPI            0x00000000ffffffffULL
+#define TCAM_V4KEY2_PORT_SPI_SHIFT      0
+#define TCAM_V4KEY3_SADDR               0xffffffff00000000ULL
+#define TCAM_V4KEY3_SADDR_SHIFT         32
+#define TCAM_V4KEY3_DADDR               0x00000000ffffffffULL
+#define TCAM_V4KEY3_DADDR_SHIFT         0
+
+/* IPV6 TCAM format */
+#define TCAM_V6KEY0_RESV1               0xffffffffffffff00ULL
+#define TCAM_V6KEY0_CLASS_CODE          0x00000000000000f8ULL
+#define TCAM_V6KEY0_CLASS_CODE_SHIFT    3
+#define TCAM_V6KEY0_RESV2               0x0000000000000007ULL
+#define TCAM_V6KEY1_L2RDCNUM            0xf800000000000000ULL
+#define TCAM_V6KEY1_L2RDCNUM_SHIFT      59
+#define TCAM_V6KEY1_NOPORT              0x0400000000000000ULL
+#define TCAM_V6KEY1_RESV                0x03ff000000000000ULL
+#define TCAM_V6KEY1_TOS                 0x0000ff0000000000ULL
+#define TCAM_V6KEY1_TOS_SHIFT           40
+#define TCAM_V6KEY1_NEXT_HDR            0x000000ff00000000ULL
+#define TCAM_V6KEY1_NEXT_HDR_SHIFT      32
+#define TCAM_V6KEY1_PORT_SPI            0x00000000ffffffffULL
+#define TCAM_V6KEY1_PORT_SPI_SHIFT      0
+#define TCAM_V6KEY2_ADDR_HIGH           0xffffffffffffffffULL
+#define TCAM_V6KEY3_ADDR_LOW            0xffffffffffffffffULL
+
+#define TCAM_ASSOCDATA_SYNDROME         0x000003fffc000000ULL
+#define TCAM_ASSOCDATA_SYNDROME_SHIFT   26
+#define TCAM_ASSOCDATA_ZFID             0x0000000003ffc000ULL
+#define TCAM_ASSOCDATA_ZFID_SHIFT       14
+#define TCAM_ASSOCDATA_V4_ECC_OK        0x0000000000002000ULL
+#define TCAM_ASSOCDATA_DISC             0x0000000000001000ULL
+#define TCAM_ASSOCDATA_TRES_MASK        0x0000000000000c00ULL
+#define TCAM_ASSOCDATA_TRES_USE_L2RDC   0x0000000000000000ULL
+#define TCAM_ASSOCDATA_TRES_USE_OFFSET  0x0000000000000400ULL
+#define TCAM_ASSOCDATA_TRES_OVR_RDC     0x0000000000000800ULL
+#define TCAM_ASSOCDATA_TRES_OVR_RDC_OFF 0x0000000000000c00ULL
+#define TCAM_ASSOCDATA_RDCTBL           0x0000000000000380ULL
+#define TCAM_ASSOCDATA_RDCTBL_SHIFT     7
+#define TCAM_ASSOCDATA_OFFSET           0x000000000000007cULL
+#define TCAM_ASSOCDATA_OFFSET_SHIFT     2
+#define TCAM_ASSOCDATA_ZFVLD            0x0000000000000002ULL
+#define TCAM_ASSOCDATA_AGE              0x0000000000000001ULL
+
+#define FLOW_KEY(IDX)                   (FZC_FFLP + 0x40000UL + (IDX) * 8UL)
+#define  FLOW_KEY_PORT                  0x0000000000000200ULL
+#define  FLOW_KEY_L2DA                  0x0000000000000100ULL
+#define  FLOW_KEY_VLAN                  0x0000000000000080ULL
+#define  FLOW_KEY_IPSA                  0x0000000000000040ULL
+#define  FLOW_KEY_IPDA                  0x0000000000000020ULL
+#define  FLOW_KEY_PROTO                 0x0000000000000010ULL
+#define  FLOW_KEY_L4_0                  0x000000000000000cULL
+#define  FLOW_KEY_L4_0_SHIFT            2
+#define  FLOW_KEY_L4_1                  0x0000000000000003ULL
+#define  FLOW_KEY_L4_1_SHIFT            0
+
+#define  FLOW_KEY_L4_NONE               0x0
+#define  FLOW_KEY_L4_RESV               0x1
+#define  FLOW_KEY_L4_BYTE12             0x2
+#define  FLOW_KEY_L4_BYTE56             0x3
+
+#define H1POLY                          (FZC_FFLP + 0x40060UL)
+#define  H1POLY_INITVAL                 0x00000000ffffffffULL
+
+#define H2POLY                          (FZC_FFLP + 0x40068UL)
+#define  H2POLY_INITVAL                 0x000000000000ffffULL
+
+#define FLW_PRT_SEL(IDX)                (FZC_FFLP + 0x40070UL + (IDX) * 8UL)
+#define  FLW_PRT_SEL_EXT                0x0000000000010000ULL
+#define  FLW_PRT_SEL_MASK               0x0000000000001f00ULL
+#define  FLW_PRT_SEL_MASK_SHIFT         8
+#define  FLW_PRT_SEL_BASE               0x000000000000001fULL
+#define  FLW_PRT_SEL_BASE_SHIFT         0
+
+#define HASH_TBL_ADDR(IDX)              (FFLP + 0x00000UL + (IDX) * 8192UL)
+#define  HASH_TBL_ADDR_AUTOINC          0x0000000000800000ULL
+#define  HASH_TBL_ADDR_ADDR             0x00000000007fffffULL
+
+#define HASH_TBL_DATA(IDX)              (FFLP + 0x00008UL + (IDX) * 8192UL)
+#define  HASH_TBL_DATA_DATA             0xffffffffffffffffULL
+
+/* FCRAM hash table entries are up to 8 64-bit words in size.
+ * The layout of each entry is determined by the settings in the
+ * first word, which is the header.
+ *
+ * The indexing is controllable per partition (there is one partition
+ * per RDC group, thus a total of eight) using the BASE and MASK fields
+ * of FLW_PRT_SEL above.
+ */
+#define FCRAM_SIZE                      0x800000
+#define FCRAM_NUM_PARTITIONS            8
+
+/* Generic HASH entry header, used for all non-optimized formats.  */
+#define HASH_HEADER_FMT                 0x8000000000000000ULL
+#define HASH_HEADER_EXT                 0x4000000000000000ULL
+#define HASH_HEADER_VALID               0x2000000000000000ULL
+#define HASH_HEADER_RESVD               0x1000000000000000ULL
+#define HASH_HEADER_L2_DADDR            0x0ffffffffffff000ULL
+#define HASH_HEADER_L2_DADDR_SHIFT      12
+#define HASH_HEADER_VLAN                0x0000000000000fffULL
+#define HASH_HEADER_VLAN_SHIFT          0
+
+/* Optimized format, just a header with a special layout defined below.
+ * Set FMT and EXT both to zero to indicate this layout is being used.
+ */
+#define HASH_OPT_HEADER_FMT             0x8000000000000000ULL
+#define HASH_OPT_HEADER_EXT             0x4000000000000000ULL
+#define HASH_OPT_HEADER_VALID           0x2000000000000000ULL
+#define HASH_OPT_HEADER_RDCOFF          0x1f00000000000000ULL
+#define HASH_OPT_HEADER_RDCOFF_SHIFT    56
+#define HASH_OPT_HEADER_HASH2           0x00ffff0000000000ULL
+#define HASH_OPT_HEADER_HASH2_SHIFT     40
+#define HASH_OPT_HEADER_RESVD           0x000000ff00000000ULL
+#define HASH_OPT_HEADER_USERINFO        0x00000000ffffffffULL
+#define HASH_OPT_HEADER_USERINFO_SHIFT  0
+
+/* Port and protocol word used for ipv4 and ipv6 layouts.  */
+#define HASH_PORT_DPORT                 0xffff000000000000ULL
+#define HASH_PORT_DPORT_SHIFT           48
+#define HASH_PORT_SPORT                 0x0000ffff00000000ULL
+#define HASH_PORT_SPORT_SHIFT           32
+#define HASH_PORT_PROTO                 0x00000000ff000000ULL
+#define HASH_PORT_PROTO_SHIFT           24
+#define HASH_PORT_PORT_OFF              0x0000000000c00000ULL
+#define HASH_PORT_PORT_OFF_SHIFT        22
+#define HASH_PORT_PORT_RESV             0x00000000003fffffULL
+
+/* Action word used for ipv4 and ipv6 layouts.  */
+#define HASH_ACTION_RESV1               0xe000000000000000ULL
+#define HASH_ACTION_RDCOFF              0x1f00000000000000ULL
+#define HASH_ACTION_RDCOFF_SHIFT        56
+#define HASH_ACTION_ZFVALID             0x0080000000000000ULL
+#define HASH_ACTION_RESV2               0x0070000000000000ULL
+#define HASH_ACTION_ZFID                0x000fff0000000000ULL
+#define HASH_ACTION_ZFID_SHIFT          40
+#define HASH_ACTION_RESV3               0x000000ff00000000ULL
+#define HASH_ACTION_USERINFO            0x00000000ffffffffULL
+#define HASH_ACTION_USERINFO_SHIFT      0
+
+/* IPV4 address word.  Addresses are in network endian. */
+#define HASH_IP4ADDR_SADDR              0xffffffff00000000ULL
+#define HASH_IP4ADDR_SADDR_SHIFT        32
+#define HASH_IP4ADDR_DADDR              0x00000000ffffffffULL
+#define HASH_IP4ADDR_DADDR_SHIFT        0
+
+/* IPV6 address layout is 4 words, first two are saddr, next two
+ * are daddr.  Addresses are in network endian.
+ */
+
+struct fcram_hash_opt {
+        u64     header;
+};
+
+/* EXT=1, FMT=0 */
+struct fcram_hash_ipv4 {
+        u64     header;
+        u64     addrs;
+        u64     ports;
+        u64     action;
+};
+
+/* EXT=1, FMT=1 */
+struct fcram_hash_ipv6 {
+        u64     header;
+        u64     addrs[4];
+        u64     ports;
+        u64     action;
+};
+
+#define HASH_TBL_DATA_LOG(IDX)          (FFLP + 0x00010UL + (IDX) * 8192UL)
+#define  HASH_TBL_DATA_LOG_ERR          0x0000000080000000ULL
+#define  HASH_TBL_DATA_LOG_ADDR         0x000000007fffff00ULL
+#define  HASH_TBL_DATA_LOG_SYNDROME     0x00000000000000ffULL
+
+#define RX_DMA_CK_DIV                   (FZC_DMC + 0x00000UL)
+#define  RX_DMA_CK_DIV_CNT              0x000000000000ffffULL
+
+#define DEF_RDC(IDX)                    (FZC_DMC + 0x00008UL + (IDX) * 0x8UL)
+#define  DEF_RDC_VAL                    0x000000000000001fULL
+
+#define PT_DRR_WT(IDX)                  (FZC_DMC + 0x00028UL + (IDX) * 0x8UL)
+#define  PT_DRR_WT_VAL                  0x000000000000ffffULL
+
+#define PT_DRR_WEIGHT_DEFAULT_10G       0x0400
+#define PT_DRR_WEIGHT_DEFAULT_1G        0x0066
+
+#define PT_USE(IDX)                     (FZC_DMC + 0x00048UL + (IDX) * 0x8UL)
+#define  PT_USE_CNT                     0x00000000000fffffULL
+
+#define RED_RAN_INIT                    (FZC_DMC + 0x00068UL)
+#define  RED_RAN_INIT_OPMODE            0x0000000000010000ULL
+#define  RED_RAN_INIT_VAL               0x000000000000ffffULL
+
+#define RX_ADDR_MD                      (FZC_DMC + 0x00070UL)
+#define  RX_ADDR_MD_DBG_PT_MUX_SEL      0x000000000000000cULL
+#define  RX_ADDR_MD_RAM_ACC             0x0000000000000002ULL
+#define  RX_ADDR_MD_MODE32              0x0000000000000001ULL
+
+#define RDMC_PRE_PAR_ERR                (FZC_DMC + 0x00078UL)
+#define  RDMC_PRE_PAR_ERR_ERR           0x0000000000008000ULL
+#define  RDMC_PRE_PAR_ERR_MERR          0x0000000000004000ULL
+#define  RDMC_PRE_PAR_ERR_ADDR          0x00000000000000ffULL
+
+#define RDMC_SHA_PAR_ERR                (FZC_DMC + 0x00080UL)
+#define  RDMC_SHA_PAR_ERR_ERR           0x0000000000008000ULL
+#define  RDMC_SHA_PAR_ERR_MERR          0x0000000000004000ULL
+#define  RDMC_SHA_PAR_ERR_ADDR          0x00000000000000ffULL
+
+#define RDMC_MEM_ADDR                   (FZC_DMC + 0x00088UL)
+#define  RDMC_MEM_ADDR_PRE_SHAD         0x0000000000000100ULL
+#define  RDMC_MEM_ADDR_ADDR             0x00000000000000ffULL
+
+#define RDMC_MEM_DAT0                   (FZC_DMC + 0x00090UL)
+#define  RDMC_MEM_DAT0_DATA             0x00000000ffffffffULL /* bits 31:0 */
+
+#define RDMC_MEM_DAT1                   (FZC_DMC + 0x00098UL)
+#define  RDMC_MEM_DAT1_DATA             0x00000000ffffffffULL /* bits 63:32 */
+
+#define RDMC_MEM_DAT2                   (FZC_DMC + 0x000a0UL)
+#define  RDMC_MEM_DAT2_DATA             0x00000000ffffffffULL /* bits 95:64 */
+
+#define RDMC_MEM_DAT3                   (FZC_DMC + 0x000a8UL)
+#define  RDMC_MEM_DAT3_DATA             0x00000000ffffffffULL /* bits 127:96 */
+
+#define RDMC_MEM_DAT4                   (FZC_DMC + 0x000b0UL)
+#define  RDMC_MEM_DAT4_DATA             0x00000000000fffffULL /* bits 147:128 */
+
+#define RX_CTL_DAT_FIFO_STAT                    (FZC_DMC + 0x000b8UL)
+#define  RX_CTL_DAT_FIFO_STAT_ID_MISMATCH       0x0000000000000100ULL
+#define  RX_CTL_DAT_FIFO_STAT_ZCP_EOP_ERR       0x00000000000000f0ULL
+#define  RX_CTL_DAT_FIFO_STAT_IPP_EOP_ERR       0x000000000000000fULL
+
+#define RX_CTL_DAT_FIFO_MASK                    (FZC_DMC + 0x000c0UL)
+#define  RX_CTL_DAT_FIFO_MASK_ID_MISMATCH       0x0000000000000100ULL
+#define  RX_CTL_DAT_FIFO_MASK_ZCP_EOP_ERR       0x00000000000000f0ULL
+#define  RX_CTL_DAT_FIFO_MASK_IPP_EOP_ERR       0x000000000000000fULL
+
+#define RDMC_TRAINING_VECTOR                    (FZC_DMC + 0x000c8UL)
+#define  RDMC_TRAINING_VECTOR_TRAINING_VECTOR   0x00000000ffffffffULL
+
+#define RX_CTL_DAT_FIFO_STAT_DBG                (FZC_DMC + 0x000d0UL)
+#define  RX_CTL_DAT_FIFO_STAT_DBG_ID_MISMATCH   0x0000000000000100ULL
+#define  RX_CTL_DAT_FIFO_STAT_DBG_ZCP_EOP_ERR   0x00000000000000f0ULL
+#define  RX_CTL_DAT_FIFO_STAT_DBG_IPP_EOP_ERR   0x000000000000000fULL
+
+#define RDC_TBL(TBL,SLOT)               (FZC_ZCP + 0x10000UL + \
+                                         (TBL) * (8UL * 16UL) + \
+                                         (SLOT) * 8UL)
+#define  RDC_TBL_RDC                    0x000000000000000fULL
+
+#define RX_LOG_PAGE_VLD(IDX)            (FZC_DMC + 0x20000UL + (IDX) * 0x40UL)
+#define  RX_LOG_PAGE_VLD_FUNC           0x000000000000000cULL
+#define  RX_LOG_PAGE_VLD_FUNC_SHIFT     2
+#define  RX_LOG_PAGE_VLD_PAGE1          0x0000000000000002ULL
+#define  RX_LOG_PAGE_VLD_PAGE0          0x0000000000000001ULL
+
+#define RX_LOG_MASK1(IDX)               (FZC_DMC + 0x20008UL + (IDX) * 0x40UL)
+#define  RX_LOG_MASK1_MASK              0x00000000ffffffffULL
+
+#define RX_LOG_VAL1(IDX)                (FZC_DMC + 0x20010UL + (IDX) * 0x40UL)
+#define  RX_LOG_VAL1_VALUE              0x00000000ffffffffULL
+
+#define RX_LOG_MASK2(IDX)               (FZC_DMC + 0x20018UL + (IDX) * 0x40UL)
+#define  RX_LOG_MASK2_MASK              0x00000000ffffffffULL
+
+#define RX_LOG_VAL2(IDX)                (FZC_DMC + 0x20020UL + (IDX) * 0x40UL)
+#define  RX_LOG_VAL2_VALUE              0x00000000ffffffffULL
+
+#define RX_LOG_PAGE_RELO1(IDX)          (FZC_DMC + 0x20028UL + (IDX) * 0x40UL)
+#define  RX_LOG_PAGE_RELO1_RELO         0x00000000ffffffffULL
+
+#define RX_LOG_PAGE_RELO2(IDX)          (FZC_DMC + 0x20030UL + (IDX) * 0x40UL)
+#define  RX_LOG_PAGE_RELO2_RELO         0x00000000ffffffffULL
+
+#define RX_LOG_PAGE_HDL(IDX)            (FZC_DMC + 0x20038UL + (IDX) * 0x40UL)
+#define  RX_LOG_PAGE_HDL_HANDLE         0x00000000000fffffULL
+
+#define TX_LOG_PAGE_VLD(IDX)            (FZC_DMC + 0x40000UL + (IDX) * 0x200UL)
+#define  TX_LOG_PAGE_VLD_FUNC           0x000000000000000cULL
+#define  TX_LOG_PAGE_VLD_FUNC_SHIFT     2
+#define  TX_LOG_PAGE_VLD_PAGE1          0x0000000000000002ULL
+#define  TX_LOG_PAGE_VLD_PAGE0          0x0000000000000001ULL
+
+#define TX_LOG_MASK1(IDX)               (FZC_DMC + 0x40008UL + (IDX) * 0x200UL)
+#define  TX_LOG_MASK1_MASK              0x00000000ffffffffULL
+
+#define TX_LOG_VAL1(IDX)                (FZC_DMC + 0x40010UL + (IDX) * 0x200UL)
+#define  TX_LOG_VAL1_VALUE              0x00000000ffffffffULL
+
+#define TX_LOG_MASK2(IDX)               (FZC_DMC + 0x40018UL + (IDX) * 0x200UL)
+#define  TX_LOG_MASK2_MASK              0x00000000ffffffffULL
+
+#define TX_LOG_VAL2(IDX)                (FZC_DMC + 0x40020UL + (IDX) * 0x200UL)
+#define  TX_LOG_VAL2_VALUE              0x00000000ffffffffULL
+
+#define TX_LOG_PAGE_RELO1(IDX)          (FZC_DMC + 0x40028UL + (IDX) * 0x200UL)
+#define  TX_LOG_PAGE_RELO1_RELO         0x00000000ffffffffULL
+
+#define TX_LOG_PAGE_RELO2(IDX)          (FZC_DMC + 0x40030UL + (IDX) * 0x200UL)
+#define  TX_LOG_PAGE_RELO2_RELO         0x00000000ffffffffULL
+
+#define TX_LOG_PAGE_HDL(IDX)            (FZC_DMC + 0x40038UL + (IDX) * 0x200UL)
+#define  TX_LOG_PAGE_HDL_HANDLE         0x00000000000fffffULL
+
+#define TX_ADDR_MD                      (FZC_DMC + 0x45000UL)
+#define  TX_ADDR_MD_MODE32              0x0000000000000001ULL
+
+#define RDC_RED_PARA(IDX)               (FZC_DMC + 0x30000UL + (IDX) * 0x40UL)
+#define  RDC_RED_PARA_THRE_SYN          0x00000000fff00000ULL
+#define  RDC_RED_PARA_THRE_SYN_SHIFT    20
+#define  RDC_RED_PARA_WIN_SYN           0x00000000000f0000ULL
+#define  RDC_RED_PARA_WIN_SYN_SHIFT     16
+#define  RDC_RED_PARA_THRE              0x000000000000fff0ULL
+#define  RDC_RED_PARA_THRE_SHIFT        4
+#define  RDC_RED_PARA_WIN               0x000000000000000fULL
+#define  RDC_RED_PARA_WIN_SHIFT         0
+
+#define RED_DIS_CNT(IDX)                (FZC_DMC + 0x30008UL + (IDX) * 0x40UL)
+#define  RED_DIS_CNT_OFLOW              0x0000000000010000ULL
+#define  RED_DIS_CNT_COUNT              0x000000000000ffffULL
+
+#define IPP_CFIG                        (FZC_IPP + 0x00000UL)
+#define  IPP_CFIG_SOFT_RST              0x0000000080000000ULL
+#define  IPP_CFIG_IP_MAX_PKT            0x0000000001ffff00ULL
+#define  IPP_CFIG_IP_MAX_PKT_SHIFT      8
+#define  IPP_CFIG_FFLP_CS_PIO_W         0x0000000000000080ULL
+#define  IPP_CFIG_PFIFO_PIO_W           0x0000000000000040ULL
+#define  IPP_CFIG_DFIFO_PIO_W           0x0000000000000020ULL
+#define  IPP_CFIG_CKSUM_EN              0x0000000000000010ULL
+#define  IPP_CFIG_DROP_BAD_CRC          0x0000000000000008ULL
+#define  IPP_CFIG_DFIFO_ECC_EN          0x0000000000000004ULL
+#define  IPP_CFIG_DEBUG_BUS_OUT_EN      0x0000000000000002ULL
+#define  IPP_CFIG_IPP_ENABLE            0x0000000000000001ULL
+
+#define IPP_PKT_DIS                     (FZC_IPP + 0x00020UL)
+#define  IPP_PKT_DIS_COUNT              0x0000000000003fffULL
+
+#define IPP_BAD_CS_CNT                  (FZC_IPP + 0x00028UL)
+#define  IPP_BAD_CS_CNT_COUNT           0x0000000000003fffULL
+
+#define IPP_ECC                         (FZC_IPP + 0x00030UL)
+#define  IPP_ECC_COUNT                  0x00000000000000ffULL
+
+#define IPP_INT_STAT                    (FZC_IPP + 0x00040UL)
+#define  IPP_INT_STAT_SOP_MISS          0x0000000080000000ULL
+#define  IPP_INT_STAT_EOP_MISS          0x0000000040000000ULL
+#define  IPP_INT_STAT_DFIFO_UE          0x0000000030000000ULL
+#define  IPP_INT_STAT_DFIFO_CE          0x000000000c000000ULL
+#define  IPP_INT_STAT_DFIFO_ECC         0x0000000003000000ULL
+#define  IPP_INT_STAT_DFIFO_ECC_IDX     0x00000000007ff000ULL
+#define  IPP_INT_STAT_PFIFO_PERR        0x0000000000000800ULL
+#define  IPP_INT_STAT_ECC_ERR_MAX       0x0000000000000400ULL
+#define  IPP_INT_STAT_PFIFO_ERR_IDX     0x00000000000003f0ULL
+#define  IPP_INT_STAT_PFIFO_OVER        0x0000000000000008ULL
+#define  IPP_INT_STAT_PFIFO_UND         0x0000000000000004ULL
+#define  IPP_INT_STAT_BAD_CS_MX         0x0000000000000002ULL
+#define  IPP_INT_STAT_PKT_DIS_MX        0x0000000000000001ULL
+#define  IPP_INT_STAT_ALL               0x00000000ff7fffffULL
+
+#define IPP_MSK                         (FZC_IPP + 0x00048UL)
+#define  IPP_MSK_ECC_ERR_MX             0x0000000000000080ULL
+#define  IPP_MSK_DFIFO_EOP_SOP          0x0000000000000040ULL
+#define  IPP_MSK_DFIFO_UC               0x0000000000000020ULL
+#define  IPP_MSK_PFIFO_PAR              0x0000000000000010ULL
+#define  IPP_MSK_PFIFO_OVER             0x0000000000000008ULL
+#define  IPP_MSK_PFIFO_UND              0x0000000000000004ULL
+#define  IPP_MSK_BAD_CS                 0x0000000000000002ULL
+#define  IPP_MSK_PKT_DIS_CNT            0x0000000000000001ULL
+#define  IPP_MSK_ALL                    0x00000000000000ffULL
+
+#define IPP_PFIFO_RD0                   (FZC_IPP + 0x00060UL)
+#define  IPP_PFIFO_RD0_DATA             0x00000000ffffffffULL /* bits 31:0 */
+
+#define IPP_PFIFO_RD1                   (FZC_IPP + 0x00068UL)
+#define  IPP_PFIFO_RD1_DATA             0x00000000ffffffffULL /* bits 63:32 */
+
+#define IPP_PFIFO_RD2                   (FZC_IPP + 0x00070UL)
+#define  IPP_PFIFO_RD2_DATA             0x00000000ffffffffULL /* bits 95:64 */
+
+#define IPP_PFIFO_RD3                   (FZC_IPP + 0x00078UL)
+#define  IPP_PFIFO_RD3_DATA             0x00000000ffffffffULL /* bits 127:96 */
+
+#define IPP_PFIFO_RD4                   (FZC_IPP + 0x00080UL)
+#define  IPP_PFIFO_RD4_DATA             0x00000000ffffffffULL /* bits 145:128 */
+
+#define IPP_PFIFO_WR0                   (FZC_IPP + 0x00088UL)
+#define  IPP_PFIFO_WR0_DATA             0x00000000ffffffffULL /* bits 31:0 */
+
+#define IPP_PFIFO_WR1                   (FZC_IPP + 0x00090UL)
+#define  IPP_PFIFO_WR1_DATA             0x00000000ffffffffULL /* bits 63:32 */
+
+#define IPP_PFIFO_WR2                   (FZC_IPP + 0x00098UL)
+#define  IPP_PFIFO_WR2_DATA             0x00000000ffffffffULL /* bits 95:64 */
+
+#define IPP_PFIFO_WR3                   (FZC_IPP + 0x000a0UL)
+#define  IPP_PFIFO_WR3_DATA             0x00000000ffffffffULL /* bits 127:96 */
+
+#define IPP_PFIFO_WR4                   (FZC_IPP + 0x000a8UL)
+#define  IPP_PFIFO_WR4_DATA             0x00000000ffffffffULL /* bits 145:128 */
+
+#define IPP_PFIFO_RD_PTR                (FZC_IPP + 0x000b0UL)
+#define  IPP_PFIFO_RD_PTR_PTR           0x000000000000003fULL
+
+#define IPP_PFIFO_WR_PTR                (FZC_IPP + 0x000b8UL)
+#define  IPP_PFIFO_WR_PTR_PTR           0x000000000000007fULL
+
+#define IPP_DFIFO_RD0                   (FZC_IPP + 0x000c0UL)
+#define  IPP_DFIFO_RD0_DATA             0x00000000ffffffffULL /* bits 31:0 */
+
+#define IPP_DFIFO_RD1                   (FZC_IPP + 0x000c8UL)
+#define  IPP_DFIFO_RD1_DATA             0x00000000ffffffffULL /* bits 63:32 */
+
+#define IPP_DFIFO_RD2                   (FZC_IPP + 0x000d0UL)
+#define  IPP_DFIFO_RD2_DATA             0x00000000ffffffffULL /* bits 95:64 */
+
+#define IPP_DFIFO_RD3                   (FZC_IPP + 0x000d8UL)
+#define  IPP_DFIFO_RD3_DATA             0x00000000ffffffffULL /* bits 127:96 */
+
+#define IPP_DFIFO_RD4                   (FZC_IPP + 0x000e0UL)
+#define  IPP_DFIFO_RD4_DATA             0x00000000ffffffffULL /* bits 145:128 */
+
+#define IPP_DFIFO_WR0                   (FZC_IPP + 0x000e8UL)
+#define  IPP_DFIFO_WR0_DATA             0x00000000ffffffffULL /* bits 31:0 */
+
+#define IPP_DFIFO_WR1                   (FZC_IPP + 0x000f0UL)
+#define  IPP_DFIFO_WR1_DATA             0x00000000ffffffffULL /* bits 63:32 */
+
+#define IPP_DFIFO_WR2                   (FZC_IPP + 0x000f8UL)
+#define  IPP_DFIFO_WR2_DATA             0x00000000ffffffffULL /* bits 95:64 */
+
+#define IPP_DFIFO_WR3                   (FZC_IPP + 0x00100UL)
+#define  IPP_DFIFO_WR3_DATA             0x00000000ffffffffULL /* bits 127:96 */
+
+#define IPP_DFIFO_WR4                   (FZC_IPP + 0x00108UL)
+#define  IPP_DFIFO_WR4_DATA             0x00000000ffffffffULL /* bits 145:128 */
+
+#define IPP_DFIFO_RD_PTR                (FZC_IPP + 0x00110UL)
+#define  IPP_DFIFO_RD_PTR_PTR           0x0000000000000fffULL
+
+#define IPP_DFIFO_WR_PTR                (FZC_IPP + 0x00118UL)
+#define  IPP_DFIFO_WR_PTR_PTR           0x0000000000000fffULL
+
+#define IPP_SM                          (FZC_IPP + 0x00120UL)
+#define  IPP_SM_SM                      0x00000000ffffffffULL
+
+#define IPP_CS_STAT                     (FZC_IPP + 0x00128UL)
+#define  IPP_CS_STAT_BCYC_CNT           0x00000000ff000000ULL
+#define  IPP_CS_STAT_IP_LEN             0x0000000000fff000ULL
+#define  IPP_CS_STAT_CS_FAIL            0x0000000000000800ULL
+#define  IPP_CS_STAT_TERM               0x0000000000000400ULL
+#define  IPP_CS_STAT_BAD_NUM            0x0000000000000200ULL
+#define  IPP_CS_STAT_CS_STATE           0x00000000000001ffULL
+
+#define IPP_FFLP_CS_INFO                (FZC_IPP + 0x00130UL)
+#define  IPP_FFLP_CS_INFO_PKT_ID        0x0000000000003c00ULL
+#define  IPP_FFLP_CS_INFO_L4_PROTO      0x0000000000000300ULL
+#define  IPP_FFLP_CS_INFO_V4_HD_LEN     0x00000000000000f0ULL
+#define  IPP_FFLP_CS_INFO_L3_VER        0x000000000000000cULL
+#define  IPP_FFLP_CS_INFO_L2_OP         0x0000000000000003ULL
+
+#define IPP_DBG_SEL                     (FZC_IPP + 0x00138UL)
+#define  IPP_DBG_SEL_SEL                0x000000000000000fULL
+
+#define IPP_DFIFO_ECC_SYND              (FZC_IPP + 0x00140UL)
+#define  IPP_DFIFO_ECC_SYND_SYND        0x000000000000ffffULL
+
+#define IPP_DFIFO_EOP_RD_PTR            (FZC_IPP + 0x00148UL)
+#define  IPP_DFIFO_EOP_RD_PTR_PTR       0x0000000000000fffULL
+
+#define IPP_ECC_CTL                     (FZC_IPP + 0x00150UL)
+#define  IPP_ECC_CTL_DIS_DBL            0x0000000080000000ULL
+#define  IPP_ECC_CTL_COR_DBL            0x0000000000020000ULL
+#define  IPP_ECC_CTL_COR_SNG            0x0000000000010000ULL
+#define  IPP_ECC_CTL_COR_ALL            0x0000000000000400ULL
+#define  IPP_ECC_CTL_COR_1              0x0000000000000100ULL
+#define  IPP_ECC_CTL_COR_LST            0x0000000000000004ULL
+#define  IPP_ECC_CTL_COR_SND            0x0000000000000002ULL
+#define  IPP_ECC_CTL_COR_FSR            0x0000000000000001ULL
+
+#define NIU_DFIFO_ENTRIES               1024
+#define ATLAS_P0_P1_DFIFO_ENTRIES       2048
+#define ATLAS_P2_P3_DFIFO_ENTRIES       1024
+
+#define ZCP_CFIG                        (FZC_ZCP + 0x00000UL)
+#define  ZCP_CFIG_ZCP_32BIT_MODE        0x0000000001000000ULL
+#define  ZCP_CFIG_ZCP_DEBUG_SEL         0x0000000000ff0000ULL
+#define  ZCP_CFIG_DMA_TH                0x000000000000ffe0ULL
+#define  ZCP_CFIG_ECC_CHK_DIS           0x0000000000000010ULL
+#define  ZCP_CFIG_PAR_CHK_DIS           0x0000000000000008ULL
+#define  ZCP_CFIG_DIS_BUFF_RSP_IF       0x0000000000000004ULL
+#define  ZCP_CFIG_DIS_BUFF_REQ_IF       0x0000000000000002ULL
+#define  ZCP_CFIG_ZC_ENABLE             0x0000000000000001ULL
+
+#define ZCP_INT_STAT                    (FZC_ZCP + 0x00008UL)
+#define  ZCP_INT_STAT_RRFIFO_UNDERRUN   0x0000000000008000ULL
+#define  ZCP_INT_STAT_RRFIFO_OVERRUN    0x0000000000004000ULL
+#define  ZCP_INT_STAT_RSPFIFO_UNCOR_ERR 0x0000000000001000ULL
+#define  ZCP_INT_STAT_BUFFER_OVERFLOW   0x0000000000000800ULL
+#define  ZCP_INT_STAT_STAT_TBL_PERR     0x0000000000000400ULL
+#define  ZCP_INT_STAT_DYN_TBL_PERR      0x0000000000000200ULL
+#define  ZCP_INT_STAT_BUF_TBL_PERR      0x0000000000000100ULL
+#define  ZCP_INT_STAT_TT_PROGRAM_ERR    0x0000000000000080ULL
+#define  ZCP_INT_STAT_RSP_TT_INDEX_ERR  0x0000000000000040ULL
+#define  ZCP_INT_STAT_SLV_TT_INDEX_ERR  0x0000000000000020ULL
+#define  ZCP_INT_STAT_ZCP_TT_INDEX_ERR  0x0000000000000010ULL
+#define  ZCP_INT_STAT_CFIFO_ECC3        0x0000000000000008ULL
+#define  ZCP_INT_STAT_CFIFO_ECC2        0x0000000000000004ULL
+#define  ZCP_INT_STAT_CFIFO_ECC1        0x0000000000000002ULL
+#define  ZCP_INT_STAT_CFIFO_ECC0        0x0000000000000001ULL
+#define  ZCP_INT_STAT_ALL               0x000000000000ffffULL
+
+#define ZCP_INT_MASK                    (FZC_ZCP + 0x00010UL)
+#define  ZCP_INT_MASK_RRFIFO_UNDERRUN   0x0000000000008000ULL
+#define  ZCP_INT_MASK_RRFIFO_OVERRUN    0x0000000000004000ULL
+#define  ZCP_INT_MASK_LOJ               0x0000000000002000ULL
+#define  ZCP_INT_MASK_RSPFIFO_UNCOR_ERR 0x0000000000001000ULL
+#define  ZCP_INT_MASK_BUFFER_OVERFLOW   0x0000000000000800ULL
+#define  ZCP_INT_MASK_STAT_TBL_PERR     0x0000000000000400ULL
+#define  ZCP_INT_MASK_DYN_TBL_PERR      0x0000000000000200ULL
+#define  ZCP_INT_MASK_BUF_TBL_PERR      0x0000000000000100ULL
+#define  ZCP_INT_MASK_TT_PROGRAM_ERR    0x0000000000000080ULL
+#define  ZCP_INT_MASK_RSP_TT_INDEX_ERR  0x0000000000000040ULL
+#define  ZCP_INT_MASK_SLV_TT_INDEX_ERR  0x0000000000000020ULL
+#define  ZCP_INT_MASK_ZCP_TT_INDEX_ERR  0x0000000000000010ULL
+#define  ZCP_INT_MASK_CFIFO_ECC3        0x0000000000000008ULL
+#define  ZCP_INT_MASK_CFIFO_ECC2        0x0000000000000004ULL
+#define  ZCP_INT_MASK_CFIFO_ECC1        0x0000000000000002ULL
+#define  ZCP_INT_MASK_CFIFO_ECC0        0x0000000000000001ULL
+#define  ZCP_INT_MASK_ALL               0x000000000000ffffULL
+
+#define BAM4BUF                         (FZC_ZCP + 0x00018UL)
+#define  BAM4BUF_LOJ                    0x0000000080000000ULL
+#define  BAM4BUF_EN_CK                  0x0000000040000000ULL
+#define  BAM4BUF_IDX_END0               0x000000003ff00000ULL
+#define  BAM4BUF_IDX_ST0                0x00000000000ffc00ULL
+#define  BAM4BUF_OFFSET0                0x00000000000003ffULL
+
+#define BAM8BUF                         (FZC_ZCP + 0x00020UL)
+#define  BAM8BUF_LOJ                    0x0000000080000000ULL
+#define  BAM8BUF_EN_CK                  0x0000000040000000ULL
+#define  BAM8BUF_IDX_END1               0x000000003ff00000ULL
+#define  BAM8BUF_IDX_ST1                0x00000000000ffc00ULL
+#define  BAM8BUF_OFFSET1                0x00000000000003ffULL
+
+#define BAM16BUF                        (FZC_ZCP + 0x00028UL)
+#define  BAM16BUF_LOJ                   0x0000000080000000ULL
+#define  BAM16BUF_EN_CK                 0x0000000040000000ULL
+#define  BAM16BUF_IDX_END2              0x000000003ff00000ULL
+#define  BAM16BUF_IDX_ST2               0x00000000000ffc00ULL
+#define  BAM16BUF_OFFSET2               0x00000000000003ffULL
+
+#define BAM32BUF                        (FZC_ZCP + 0x00030UL)
+#define  BAM32BUF_LOJ                   0x0000000080000000ULL
+#define  BAM32BUF_EN_CK                 0x0000000040000000ULL
+#define  BAM32BUF_IDX_END3              0x000000003ff00000ULL
+#define  BAM32BUF_IDX_ST3               0x00000000000ffc00ULL
+#define  BAM32BUF_OFFSET3               0x00000000000003ffULL
+
+#define DST4BUF                         (FZC_ZCP + 0x00038UL)
+#define  DST4BUF_DS_OFFSET0             0x00000000000003ffULL
+
+#define DST8BUF                         (FZC_ZCP + 0x00040UL)
+#define  DST8BUF_DS_OFFSET1             0x00000000000003ffULL
+
+#define DST16BUF                        (FZC_ZCP + 0x00048UL)
+#define  DST16BUF_DS_OFFSET2            0x00000000000003ffULL
+
+#define DST32BUF                        (FZC_ZCP + 0x00050UL)
+#define  DST32BUF_DS_OFFSET3            0x00000000000003ffULL
+
+#define ZCP_RAM_DATA0                   (FZC_ZCP + 0x00058UL)
+#define  ZCP_RAM_DATA0_DAT0             0x00000000ffffffffULL
+
+#define ZCP_RAM_DATA1                   (FZC_ZCP + 0x00060UL)
+#define  ZCP_RAM_DAT10_DAT1             0x00000000ffffffffULL
+
+#define ZCP_RAM_DATA2                   (FZC_ZCP + 0x00068UL)
+#define  ZCP_RAM_DATA2_DAT2             0x00000000ffffffffULL
+
+#define ZCP_RAM_DATA3                   (FZC_ZCP + 0x00070UL)
+#define  ZCP_RAM_DATA3_DAT3             0x00000000ffffffffULL
+
+#define ZCP_RAM_DATA4                   (FZC_ZCP + 0x00078UL)
+#define  ZCP_RAM_DATA4_DAT4             0x00000000000000ffULL
+
+#define ZCP_RAM_BE                      (FZC_ZCP + 0x00080UL)
+#define  ZCP_RAM_BE_VAL                 0x000000000001ffffULL
+
+#define ZCP_RAM_ACC                     (FZC_ZCP + 0x00088UL)
+#define  ZCP_RAM_ACC_BUSY               0x0000000080000000ULL
+#define  ZCP_RAM_ACC_READ               0x0000000040000000ULL
+#define  ZCP_RAM_ACC_WRITE              0x0000000000000000ULL
+#define  ZCP_RAM_ACC_LOJ                0x0000000020000000ULL
+#define  ZCP_RAM_ACC_ZFCID              0x000000001ffe0000ULL
+#define  ZCP_RAM_ACC_ZFCID_SHIFT        17
+#define  ZCP_RAM_ACC_RAM_SEL            0x000000000001f000ULL
+#define  ZCP_RAM_ACC_RAM_SEL_SHIFT      12
+#define  ZCP_RAM_ACC_CFIFOADDR          0x0000000000000fffULL
+#define  ZCP_RAM_ACC_CFIFOADDR_SHIFT    0
+
+#define ZCP_RAM_SEL_BAM(INDEX)          (0x00 + (INDEX))
+#define ZCP_RAM_SEL_TT_STATIC           0x08
+#define ZCP_RAM_SEL_TT_DYNAMIC          0x09
+#define ZCP_RAM_SEL_CFIFO(PORT)         (0x10 + (PORT))
+
+#define NIU_CFIFO_ENTRIES               1024
+#define ATLAS_P0_P1_CFIFO_ENTRIES       2048
+#define ATLAS_P2_P3_CFIFO_ENTRIES       1024
+
+#define CHK_BIT_DATA                    (FZC_ZCP + 0x00090UL)
+#define  CHK_BIT_DATA_DATA              0x000000000000ffffULL
+
+#define RESET_CFIFO                     (FZC_ZCP + 0x00098UL)
+#define  RESET_CFIFO_RST(PORT)          (0x1 << (PORT))
+
+#define CFIFO_ECC(PORT)                 (FZC_ZCP + 0x000a0UL + (PORT) * 8UL)
+#define  CFIFO_ECC_DIS_DBLBIT_ERR       0x0000000080000000ULL
+#define  CFIFO_ECC_DBLBIT_ERR           0x0000000000020000ULL
+#define  CFIFO_ECC_SINGLEBIT_ERR        0x0000000000010000ULL
+#define  CFIFO_ECC_ALL_PKT              0x0000000000000400ULL
+#define  CFIFO_ECC_LAST_LINE            0x0000000000000004ULL
+#define  CFIFO_ECC_2ND_LINE             0x0000000000000002ULL
+#define  CFIFO_ECC_1ST_LINE             0x0000000000000001ULL
+
+#define ZCP_TRAINING_VECTOR             (FZC_ZCP + 0x000c0UL)
+#define  ZCP_TRAINING_VECTOR_VECTOR     0x00000000ffffffffULL
+
+#define ZCP_STATE_MACHINE               (FZC_ZCP + 0x000c8UL)
+#define  ZCP_STATE_MACHINE_SM           0x00000000ffffffffULL
+
+/* Same bits as ZCP_INT_STAT */
+#define ZCP_INT_STAT_TEST               (FZC_ZCP + 0x00108UL)
+
+#define RXDMA_CFIG1(IDX)                (DMC + 0x00000UL + (IDX) * 0x200UL)
+#define  RXDMA_CFIG1_EN                 0x0000000080000000ULL
+#define  RXDMA_CFIG1_RST                0x0000000040000000ULL
+#define  RXDMA_CFIG1_QST                0x0000000020000000ULL
+#define  RXDMA_CFIG1_MBADDR_H           0x0000000000000fffULL /* mboxaddr 43:32 */
+
+#define RXDMA_CFIG2(IDX)                (DMC + 0x00008UL + (IDX) * 0x200UL)
+#define  RXDMA_CFIG2_MBADDR_L           0x00000000ffffffc0ULL /* mboxaddr 31:6 */
+#define  RXDMA_CFIG2_OFFSET             0x0000000000000006ULL
+#define  RXDMA_CFIG2_OFFSET_SHIFT       1
+#define  RXDMA_CFIG2_FULL_HDR           0x0000000000000001ULL
+
+#define RBR_CFIG_A(IDX)                 (DMC + 0x00010UL + (IDX) * 0x200UL)
+#define  RBR_CFIG_A_LEN                 0xffff000000000000ULL
+#define  RBR_CFIG_A_LEN_SHIFT           48
+#define  RBR_CFIG_A_STADDR_BASE         0x00000ffffffc0000ULL
+#define  RBR_CFIG_A_STADDR              0x000000000003ffc0ULL
+
+#define RBR_CFIG_B(IDX)                 (DMC + 0x00018UL + (IDX) * 0x200UL)
+#define  RBR_CFIG_B_BLKSIZE             0x0000000003000000ULL
+#define  RBR_CFIG_B_BLKSIZE_SHIFT       24
+#define  RBR_CFIG_B_VLD2                0x0000000000800000ULL
+#define  RBR_CFIG_B_BUFSZ2              0x0000000000030000ULL
+#define  RBR_CFIG_B_BUFSZ2_SHIFT        16
+#define  RBR_CFIG_B_VLD1                0x0000000000008000ULL
+#define  RBR_CFIG_B_BUFSZ1              0x0000000000000300ULL
+#define  RBR_CFIG_B_BUFSZ1_SHIFT        8
+#define  RBR_CFIG_B_VLD0                0x0000000000000080ULL
+#define  RBR_CFIG_B_BUFSZ0              0x0000000000000003ULL
+#define  RBR_CFIG_B_BUFSZ0_SHIFT        0
+
+#define RBR_BLKSIZE_4K                  0x0
+#define RBR_BLKSIZE_8K                  0x1
+#define RBR_BLKSIZE_16K                 0x2
+#define RBR_BLKSIZE_32K                 0x3
+#define RBR_BUFSZ2_2K                   0x0
+#define RBR_BUFSZ2_4K                   0x1
+#define RBR_BUFSZ2_8K                   0x2
+#define RBR_BUFSZ2_16K                  0x3
+#define RBR_BUFSZ1_1K                   0x0
+#define RBR_BUFSZ1_2K                   0x1
+#define RBR_BUFSZ1_4K                   0x2
+#define RBR_BUFSZ1_8K                   0x3
+#define RBR_BUFSZ0_256                  0x0
+#define RBR_BUFSZ0_512                  0x1
+#define RBR_BUFSZ0_1K                   0x2
+#define RBR_BUFSZ0_2K                   0x3
+
+#define RBR_KICK(IDX)                   (DMC + 0x00020UL + (IDX) * 0x200UL)
+#define  RBR_KICK_BKADD                 0x000000000000ffffULL
+
+#define RBR_STAT(IDX)                   (DMC + 0x00028UL + (IDX) * 0x200UL)
+#define  RBR_STAT_QLEN                  0x000000000000ffffULL
+
+#define RBR_HDH(IDX)                    (DMC + 0x00030UL + (IDX) * 0x200UL)
+#define  RBR_HDH_HEAD_H                 0x0000000000000fffULL
+
+#define RBR_HDL(IDX)                    (DMC + 0x00038UL + (IDX) * 0x200UL)
+#define  RBR_HDL_HEAD_L                 0x00000000fffffffcULL
+
+#define RCRCFIG_A(IDX)                  (DMC + 0x00040UL + (IDX) * 0x200UL)
+#define  RCRCFIG_A_LEN                  0xffff000000000000ULL
+#define  RCRCFIG_A_LEN_SHIFT            48
+#define  RCRCFIG_A_STADDR_BASE          0x00000ffffff80000ULL
+#define  RCRCFIG_A_STADDR               0x000000000007ffc0ULL
+
+#define RCRCFIG_B(IDX)                  (DMC + 0x00048UL + (IDX) * 0x200UL)
+#define  RCRCFIG_B_PTHRES               0x00000000ffff0000ULL
+#define  RCRCFIG_B_PTHRES_SHIFT         16
+#define  RCRCFIG_B_ENTOUT               0x0000000000008000ULL
+#define  RCRCFIG_B_TIMEOUT              0x000000000000003fULL
+#define  RCRCFIG_B_TIMEOUT_SHIFT        0
+
+#define RCRSTAT_A(IDX)                  (DMC + 0x00050UL + (IDX) * 0x200UL)
+#define  RCRSTAT_A_QLEN                 0x000000000000ffffULL
+
+#define RCRSTAT_B(IDX)                  (DMC + 0x00058UL + (IDX) * 0x200UL)
+#define  RCRSTAT_B_TIPTR_H              0x0000000000000fffULL
+
+#define RCRSTAT_C(IDX)                  (DMC + 0x00060UL + (IDX) * 0x200UL)
+#define  RCRSTAT_C_TIPTR_L              0x00000000fffffff8ULL
+
+#define RX_DMA_CTL_STAT(IDX)            (DMC + 0x00070UL + (IDX) * 0x200UL)
+#define  RX_DMA_CTL_STAT_RBR_TMOUT      0x0020000000000000ULL
+#define  RX_DMA_CTL_STAT_RSP_CNT_ERR    0x0010000000000000ULL
+#define  RX_DMA_CTL_STAT_BYTE_EN_BUS    0x0008000000000000ULL
+#define  RX_DMA_CTL_STAT_RSP_DAT_ERR    0x0004000000000000ULL
+#define  RX_DMA_CTL_STAT_RCR_ACK_ERR    0x0002000000000000ULL
+#define  RX_DMA_CTL_STAT_DC_FIFO_ERR    0x0001000000000000ULL
+#define  RX_DMA_CTL_STAT_MEX            0x0000800000000000ULL
+#define  RX_DMA_CTL_STAT_RCRTHRES       0x0000400000000000ULL
+#define  RX_DMA_CTL_STAT_RCRTO          0x0000200000000000ULL
+#define  RX_DMA_CTL_STAT_RCR_SHA_PAR    0x0000100000000000ULL
+#define  RX_DMA_CTL_STAT_RBR_PRE_PAR    0x0000080000000000ULL
+#define  RX_DMA_CTL_STAT_PORT_DROP_PKT  0x0000040000000000ULL
+#define  RX_DMA_CTL_STAT_WRED_DROP      0x0000020000000000ULL
+#define  RX_DMA_CTL_STAT_RBR_PRE_EMTY   0x0000010000000000ULL
+#define  RX_DMA_CTL_STAT_RCRSHADOW_FULL 0x0000008000000000ULL
+#define  RX_DMA_CTL_STAT_CONFIG_ERR     0x0000004000000000ULL
+#define  RX_DMA_CTL_STAT_RCRINCON       0x0000002000000000ULL
+#define  RX_DMA_CTL_STAT_RCRFULL        0x0000001000000000ULL
+#define  RX_DMA_CTL_STAT_RBR_EMPTY      0x0000000800000000ULL
+#define  RX_DMA_CTL_STAT_RBRFULL        0x0000000400000000ULL
+#define  RX_DMA_CTL_STAT_RBRLOGPAGE     0x0000000200000000ULL
+#define  RX_DMA_CTL_STAT_CFIGLOGPAGE    0x0000000100000000ULL
+#define  RX_DMA_CTL_STAT_PTRREAD        0x00000000ffff0000ULL
+#define  RX_DMA_CTL_STAT_PTRREAD_SHIFT  16
+#define  RX_DMA_CTL_STAT_PKTREAD        0x000000000000ffffULL
+#define  RX_DMA_CTL_STAT_PKTREAD_SHIFT  0
+
+#define  RX_DMA_CTL_STAT_CHAN_FATAL     (RX_DMA_CTL_STAT_RBR_TMOUT | \
+                                         RX_DMA_CTL_STAT_RSP_CNT_ERR | \
+                                         RX_DMA_CTL_STAT_BYTE_EN_BUS | \
+                                         RX_DMA_CTL_STAT_RSP_DAT_ERR | \
+                                         RX_DMA_CTL_STAT_RCR_ACK_ERR | \
+                                         RX_DMA_CTL_STAT_RCR_SHA_PAR | \
+                                         RX_DMA_CTL_STAT_RBR_PRE_PAR | \
+                                         RX_DMA_CTL_STAT_CONFIG_ERR | \
+                                         RX_DMA_CTL_STAT_RCRINCON | \
+                                         RX_DMA_CTL_STAT_RCRFULL | \
+                                         RX_DMA_CTL_STAT_RBRFULL | \
+                                         RX_DMA_CTL_STAT_RBRLOGPAGE | \
+                                         RX_DMA_CTL_STAT_CFIGLOGPAGE)
+
+#define RX_DMA_CTL_STAT_PORT_FATAL      (RX_DMA_CTL_STAT_DC_FIFO_ERR)
+
+#define RX_DMA_CTL_WRITE_CLEAR_ERRS     (RX_DMA_CTL_STAT_RBR_EMPTY | \
+                                         RX_DMA_CTL_STAT_RCRSHADOW_FULL | \
+                                         RX_DMA_CTL_STAT_RBR_PRE_EMTY | \
+                                         RX_DMA_CTL_STAT_WRED_DROP | \
+                                         RX_DMA_CTL_STAT_PORT_DROP_PKT | \
+                                         RX_DMA_CTL_STAT_RCRTO | \
+                                         RX_DMA_CTL_STAT_RCRTHRES | \
+                                         RX_DMA_CTL_STAT_DC_FIFO_ERR)
+
+#define RCR_FLSH(IDX)                   (DMC + 0x00078UL + (IDX) * 0x200UL)
+#define  RCR_FLSH_FLSH                  0x0000000000000001ULL
+
+#define RXMISC(IDX)                     (DMC + 0x00090UL + (IDX) * 0x200UL)
+#define  RXMISC_OFLOW                   0x0000000000010000ULL
+#define  RXMISC_COUNT                   0x000000000000ffffULL
+
+#define RX_DMA_CTL_STAT_DBG(IDX)        (DMC + 0x00098UL + (IDX) * 0x200UL)
+#define  RX_DMA_CTL_STAT_DBG_RBR_TMOUT          0x0020000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RSP_CNT_ERR        0x0010000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_BYTE_EN_BUS        0x0008000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RSP_DAT_ERR        0x0004000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCR_ACK_ERR        0x0002000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_DC_FIFO_ERR        0x0001000000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_MEX                0x0000800000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCRTHRES           0x0000400000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCRTO              0x0000200000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCR_SHA_PAR        0x0000100000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RBR_PRE_PAR        0x0000080000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_PORT_DROP_PKT      0x0000040000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_WRED_DROP          0x0000020000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RBR_PRE_EMTY       0x0000010000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCRSHADOW_FULL     0x0000008000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_CONFIG_ERR         0x0000004000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCRINCON           0x0000002000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RCRFULL            0x0000001000000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RBR_EMPTY          0x0000000800000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RBRFULL            0x0000000400000000ULL
+#define  RX_DMA_CTL_STAT_DBG_RBRLOGPAGE         0x0000000200000000ULL
+#define  RX_DMA_CTL_STAT_DBG_CFIGLOGPAGE        0x0000000100000000ULL
+#define  RX_DMA_CTL_STAT_DBG_PTRREAD            0x00000000ffff0000ULL
+#define  RX_DMA_CTL_STAT_DBG_PKTREAD            0x000000000000ffffULL
+
+#define RX_DMA_ENT_MSK(IDX)             (DMC + 0x00068UL + (IDX) * 0x200UL)
+#define  RX_DMA_ENT_MSK_RBR_TMOUT       0x0000000000200000ULL
+#define  RX_DMA_ENT_MSK_RSP_CNT_ERR     0x0000000000100000ULL
+#define  RX_DMA_ENT_MSK_BYTE_EN_BUS     0x0000000000080000ULL
+#define  RX_DMA_ENT_MSK_RSP_DAT_ERR     0x0000000000040000ULL
+#define  RX_DMA_ENT_MSK_RCR_ACK_ERR     0x0000000000020000ULL
+#define  RX_DMA_ENT_MSK_DC_FIFO_ERR     0x0000000000010000ULL
+#define  RX_DMA_ENT_MSK_RCRTHRES        0x0000000000004000ULL
+#define  RX_DMA_ENT_MSK_RCRTO           0x0000000000002000ULL
+#define  RX_DMA_ENT_MSK_RCR_SHA_PAR     0x0000000000001000ULL
+#define  RX_DMA_ENT_MSK_RBR_PRE_PAR     0x0000000000000800ULL
+#define  RX_DMA_ENT_MSK_PORT_DROP_PKT   0x0000000000000400ULL
+#define  RX_DMA_ENT_MSK_WRED_DROP       0x0000000000000200ULL
+#define  RX_DMA_ENT_MSK_RBR_PRE_EMTY    0x0000000000000100ULL
+#define  RX_DMA_ENT_MSK_RCR_SHADOW_FULL 0x0000000000000080ULL
+#define  RX_DMA_ENT_MSK_CONFIG_ERR      0x0000000000000040ULL
+#define  RX_DMA_ENT_MSK_RCRINCON        0x0000000000000020ULL
+#define  RX_DMA_ENT_MSK_RCRFULL         0x0000000000000010ULL
+#define  RX_DMA_ENT_MSK_RBR_EMPTY       0x0000000000000008ULL
+#define  RX_DMA_ENT_MSK_RBRFULL         0x0000000000000004ULL
+#define  RX_DMA_ENT_MSK_RBRLOGPAGE      0x0000000000000002ULL
+#define  RX_DMA_ENT_MSK_CFIGLOGPAGE     0x0000000000000001ULL
+#define  RX_DMA_ENT_MSK_ALL             0x00000000003f7fffULL
+
+#define TX_RNG_CFIG(IDX)                (DMC + 0x40000UL + (IDX) * 0x200UL)
+#define  TX_RNG_CFIG_LEN                0x1fff000000000000ULL
+#define  TX_RNG_CFIG_LEN_SHIFT          48
+#define  TX_RNG_CFIG_STADDR_BASE        0x00000ffffff80000ULL
+#define  TX_RNG_CFIG_STADDR             0x000000000007ffc0ULL
+
+#define TX_RING_HDL(IDX)                (DMC + 0x40010UL + (IDX) * 0x200UL)
+#define  TX_RING_HDL_WRAP               0x0000000000080000ULL
+#define  TX_RING_HDL_HEAD               0x000000000007fff8ULL
+#define  TX_RING_HDL_HEAD_SHIFT         3
+
+#define TX_RING_KICK(IDX)               (DMC + 0x40018UL + (IDX) * 0x200UL)
+#define  TX_RING_KICK_WRAP              0x0000000000080000ULL
+#define  TX_RING_KICK_TAIL              0x000000000007fff8ULL
+
+#define TX_ENT_MSK(IDX)                 (DMC + 0x40020UL + (IDX) * 0x200UL)
+#define  TX_ENT_MSK_MK                  0x0000000000008000ULL
+#define  TX_ENT_MSK_MBOX_ERR            0x0000000000000080ULL
+#define  TX_ENT_MSK_PKT_SIZE_ERR        0x0000000000000040ULL
+#define  TX_ENT_MSK_TX_RING_OFLOW       0x0000000000000020ULL
+#define  TX_ENT_MSK_PREF_BUF_ECC_ERR    0x0000000000000010ULL
+#define  TX_ENT_MSK_NACK_PREF           0x0000000000000008ULL
+#define  TX_ENT_MSK_NACK_PKT_RD         0x0000000000000004ULL
+#define  TX_ENT_MSK_CONF_PART_ERR       0x0000000000000002ULL
+#define  TX_ENT_MSK_PKT_PRT_ERR         0x0000000000000001ULL
+
+#define TX_CS(IDX)                      (DMC + 0x40028UL + (IDX)*0x200UL)
+#define  TX_CS_PKT_CNT                  0x0fff000000000000ULL
+#define  TX_CS_PKT_CNT_SHIFT            48
+#define  TX_CS_LASTMARK                 0x00000fff00000000ULL
+#define  TX_CS_LASTMARK_SHIFT           32
+#define  TX_CS_RST                      0x0000000080000000ULL
+#define  TX_CS_RST_STATE                0x0000000040000000ULL
+#define  TX_CS_MB                       0x0000000020000000ULL
+#define  TX_CS_STOP_N_GO                0x0000000010000000ULL
+#define  TX_CS_SNG_STATE                0x0000000008000000ULL
+#define  TX_CS_MK                       0x0000000000008000ULL
+#define  TX_CS_MMK                      0x0000000000004000ULL
+#define  TX_CS_MBOX_ERR                 0x0000000000000080ULL
+#define  TX_CS_PKT_SIZE_ERR             0x0000000000000040ULL
+#define  TX_CS_TX_RING_OFLOW            0x0000000000000020ULL
+#define  TX_CS_PREF_BUF_PAR_ERR         0x0000000000000010ULL
+#define  TX_CS_NACK_PREF                0x0000000000000008ULL
+#define  TX_CS_NACK_PKT_RD              0x0000000000000004ULL
+#define  TX_CS_CONF_PART_ERR            0x0000000000000002ULL
+#define  TX_CS_PKT_PRT_ERR              0x0000000000000001ULL
+
+#define TXDMA_MBH(IDX)                  (DMC + 0x40030UL + (IDX) * 0x200UL)
+#define  TXDMA_MBH_MBADDR               0x0000000000000fffULL
+
+#define TXDMA_MBL(IDX)                  (DMC + 0x40038UL + (IDX) * 0x200UL)
+#define  TXDMA_MBL_MBADDR               0x00000000ffffffc0ULL
+
+#define TX_DMA_PRE_ST(IDX)              (DMC + 0x40040UL + (IDX) * 0x200UL)
+#define  TX_DMA_PRE_ST_SHADOW_HD        0x000000000007ffffULL
+
+#define TX_RNG_ERR_LOGH(IDX)            (DMC + 0x40048UL + (IDX) * 0x200UL)
+#define  TX_RNG_ERR_LOGH_ERR            0x0000000080000000ULL
+#define  TX_RNG_ERR_LOGH_MERR           0x0000000040000000ULL
+#define  TX_RNG_ERR_LOGH_ERRCODE        0x0000000038000000ULL
+#define  TX_RNG_ERR_LOGH_ERRADDR        0x0000000000000fffULL
+
+#define TX_RNG_ERR_LOGL(IDX)            (DMC + 0x40050UL + (IDX) * 0x200UL)
+#define  TX_RNG_ERR_LOGL_ERRADDR        0x00000000ffffffffULL
+
+#define TDMC_INTR_DBG(IDX)              (DMC + 0x40060UL + (IDX) * 0x200UL)
+#define  TDMC_INTR_DBG_MK               0x0000000000008000ULL
+#define  TDMC_INTR_DBG_MBOX_ERR         0x0000000000000080ULL
+#define  TDMC_INTR_DBG_PKT_SIZE_ERR     0x0000000000000040ULL
+#define  TDMC_INTR_DBG_TX_RING_OFLOW    0x0000000000000020ULL
+#define  TDMC_INTR_DBG_PREF_BUF_PAR_ERR 0x0000000000000010ULL
+#define  TDMC_INTR_DBG_NACK_PREF        0x0000000000000008ULL
+#define  TDMC_INTR_DBG_NACK_PKT_RD      0x0000000000000004ULL
+#define  TDMC_INTR_DBG_CONF_PART_ERR    0x0000000000000002ULL
+#define  TDMC_INTR_DBG_PKT_PART_ERR     0x0000000000000001ULL
+
+#define TX_CS_DBG(IDX)                  (DMC + 0x40068UL + (IDX) * 0x200UL)
+#define  TX_CS_DBG_PKT_CNT              0x0fff000000000000ULL
+
+#define TDMC_INJ_PAR_ERR(IDX)           (DMC + 0x45040UL + (IDX) * 0x200UL)
+#define  TDMC_INJ_PAR_ERR_VAL           0x000000000000ffffULL
+
+#define TDMC_DBG_SEL(IDX)               (DMC + 0x45080UL + (IDX) * 0x200UL)
+#define  TDMC_DBG_SEL_DBG_SEL           0x000000000000003fULL
+
+#define TDMC_TRAINING_VECTOR(IDX)       (DMC + 0x45088UL + (IDX) * 0x200UL)
+#define  TDMC_TRAINING_VECTOR_VEC       0x00000000ffffffffULL
+
+#define TXC_DMA_MAX(CHAN)               (FZC_TXC + 0x00000UL + (CHAN)*0x1000UL)
+#define TXC_DMA_MAX_LEN(CHAN)           (FZC_TXC + 0x00008UL + (CHAN)*0x1000UL)
+
+#define TXC_CONTROL                     (FZC_TXC + 0x20000UL)
+#define  TXC_CONTROL_ENABLE             0x0000000000000010ULL
+#define  TXC_CONTROL_PORT_ENABLE(X)     (1 << (X))
+
+#define TXC_TRAINING_VEC                (FZC_TXC + 0x20008UL)
+#define  TXC_TRAINING_VEC_MASK          0x00000000ffffffffULL
+
+#define TXC_DEBUG                       (FZC_TXC + 0x20010UL)
+#define  TXC_DEBUG_SELECT               0x000000000000003fULL
+
+#define TXC_MAX_REORDER                 (FZC_TXC + 0x20018UL)
+#define  TXC_MAX_REORDER_PORT3          0x000000000f000000ULL
+#define  TXC_MAX_REORDER_PORT2          0x00000000000f0000ULL
+#define  TXC_MAX_REORDER_PORT1          0x0000000000000f00ULL
+#define  TXC_MAX_REORDER_PORT0          0x000000000000000fULL
+
+#define TXC_PORT_CTL(PORT)              (FZC_TXC + 0x20020UL + (PORT)*0x100UL)
+#define  TXC_PORT_CTL_CLR_ALL_STAT      0x0000000000000001ULL
+
+#define TXC_PKT_STUFFED(PORT)           (FZC_TXC + 0x20030UL + (PORT)*0x100UL)
+#define  TXC_PKT_STUFFED_PP_REORDER     0x00000000ffff0000ULL
+#define  TXC_PKT_STUFFED_PP_PACKETASSY  0x000000000000ffffULL
+
+#define TXC_PKT_XMIT(PORT)              (FZC_TXC + 0x20038UL + (PORT)*0x100UL)
+#define  TXC_PKT_XMIT_BYTES             0x00000000ffff0000ULL
+#define  TXC_PKT_XMIT_PKTS              0x000000000000ffffULL
+
+#define TXC_ROECC_CTL(PORT)             (FZC_TXC + 0x20040UL + (PORT)*0x100UL)
+#define  TXC_ROECC_CTL_DISABLE_UE       0x0000000080000000ULL
+#define  TXC_ROECC_CTL_DBL_BIT_ERR      0x0000000000020000ULL
+#define  TXC_ROECC_CTL_SNGL_BIT_ERR     0x0000000000010000ULL
+#define  TXC_ROECC_CTL_ALL_PKTS         0x0000000000000400ULL
+#define  TXC_ROECC_CTL_ALT_PKTS         0x0000000000000200ULL
+#define  TXC_ROECC_CTL_ONE_PKT_ONLY     0x0000000000000100ULL
+#define  TXC_ROECC_CTL_LST_PKT_LINE     0x0000000000000004ULL
+#define  TXC_ROECC_CTL_2ND_PKT_LINE     0x0000000000000002ULL
+#define  TXC_ROECC_CTL_1ST_PKT_LINE     0x0000000000000001ULL
+
+#define TXC_ROECC_ST(PORT)              (FZC_TXC + 0x20048UL + (PORT)*0x100UL)
+#define  TXC_ROECC_CLR_ST               0x0000000080000000ULL
+#define  TXC_ROECC_CE                   0x0000000000020000ULL
+#define  TXC_ROECC_UE                   0x0000000000010000ULL
+#define  TXC_ROECC_ST_ECC_ADDR          0x00000000000003ffULL
+
+#define TXC_RO_DATA0(PORT)              (FZC_TXC + 0x20050UL + (PORT)*0x100UL)
+#define  TXC_RO_DATA0_DATA0             0x00000000ffffffffULL /* bits 31:0 */
+
+#define TXC_RO_DATA1(PORT)              (FZC_TXC + 0x20058UL + (PORT)*0x100UL)
+#define  TXC_RO_DATA1_DATA1             0x00000000ffffffffULL /* bits 63:32 */
+
+#define TXC_RO_DATA2(PORT)              (FZC_TXC + 0x20060UL + (PORT)*0x100UL)
+#define  TXC_RO_DATA2_DATA2             0x00000000ffffffffULL /* bits 95:64 */
+
+#define TXC_RO_DATA3(PORT)              (FZC_TXC + 0x20068UL + (PORT)*0x100UL)
+#define  TXC_RO_DATA3_DATA3             0x00000000ffffffffULL /* bits 127:96 */
+
+#define TXC_RO_DATA4(PORT)              (FZC_TXC + 0x20070UL + (PORT)*0x100UL)
+#define  TXC_RO_DATA4_DATA4             0x0000000000ffffffULL /* bits 151:128 */
+
+#define TXC_SFECC_CTL(PORT)             (FZC_TXC + 0x20078UL + (PORT)*0x100UL)
+#define  TXC_SFECC_CTL_DISABLE_UE       0x0000000080000000ULL
+#define  TXC_SFECC_CTL_DBL_BIT_ERR      0x0000000000020000ULL
+#define  TXC_SFECC_CTL_SNGL_BIT_ERR     0x0000000000010000ULL
+#define  TXC_SFECC_CTL_ALL_PKTS         0x0000000000000400ULL
+#define  TXC_SFECC_CTL_ALT_PKTS         0x0000000000000200ULL
+#define  TXC_SFECC_CTL_ONE_PKT_ONLY     0x0000000000000100ULL
+#define  TXC_SFECC_CTL_LST_PKT_LINE     0x0000000000000004ULL
+#define  TXC_SFECC_CTL_2ND_PKT_LINE     0x0000000000000002ULL
+#define  TXC_SFECC_CTL_1ST_PKT_LINE     0x0000000000000001ULL
+
+#define TXC_SFECC_ST(PORT)              (FZC_TXC + 0x20080UL + (PORT)*0x100UL)
+#define  TXC_SFECC_ST_CLR_ST            0x0000000080000000ULL
+#define  TXC_SFECC_ST_CE                0x0000000000020000ULL
+#define  TXC_SFECC_ST_UE                0x0000000000010000ULL
+#define  TXC_SFECC_ST_ECC_ADDR          0x00000000000003ffULL
+
+#define TXC_SF_DATA0(PORT)              (FZC_TXC + 0x20088UL + (PORT)*0x100UL)
+#define  TXC_SF_DATA0_DATA0             0x00000000ffffffffULL /* bits 31:0 */
+
+#define TXC_SF_DATA1(PORT)              (FZC_TXC + 0x20090UL + (PORT)*0x100UL)
+#define  TXC_SF_DATA1_DATA1             0x00000000ffffffffULL /* bits 63:32 */
+
+#define TXC_SF_DATA2(PORT)              (FZC_TXC + 0x20098UL + (PORT)*0x100UL)
+#define  TXC_SF_DATA2_DATA2             0x00000000ffffffffULL /* bits 95:64 */
+
+#define TXC_SF_DATA3(PORT)              (FZC_TXC + 0x200a0UL + (PORT)*0x100UL)
+#define  TXC_SF_DATA3_DATA3             0x00000000ffffffffULL /* bits 127:96 */
+
+#define TXC_SF_DATA4(PORT)              (FZC_TXC + 0x200a8UL + (PORT)*0x100UL)
+#define  TXC_SF_DATA4_DATA4             0x0000000000ffffffULL /* bits 151:128 */
+
+#define TXC_RO_TIDS(PORT)               (FZC_TXC + 0x200b0UL + (PORT)*0x100UL)
+#define  TXC_RO_TIDS_IN_USE             0x00000000ffffffffULL
+
+#define TXC_RO_STATE0(PORT)             (FZC_TXC + 0x200b8UL + (PORT)*0x100UL)
+#define  TXC_RO_STATE0_DUPLICATE_TID    0x00000000ffffffffULL
+
+#define TXC_RO_STATE1(PORT)             (FZC_TXC + 0x200c0UL + (PORT)*0x100UL)
+#define  TXC_RO_STATE1_UNUSED_TID       0x00000000ffffffffULL
+
+#define TXC_RO_STATE2(PORT)             (FZC_TXC + 0x200c8UL + (PORT)*0x100UL)
+#define  TXC_RO_STATE2_TRANS_TIMEOUT    0x00000000ffffffffULL
+
+#define TXC_RO_STATE3(PORT)             (FZC_TXC + 0x200d0UL + (PORT)*0x100UL)
+#define  TXC_RO_STATE3_ENAB_SPC_WMARK   0x0000000080000000ULL
+#define  TXC_RO_STATE3_RO_SPC_WMARK     0x000000007fe00000ULL
+#define  TXC_RO_STATE3_ROFIFO_SPC_AVAIL 0x00000000001ff800ULL
+#define  TXC_RO_STATE3_ENAB_RO_WMARK    0x0000000000000100ULL
+#define  TXC_RO_STATE3_HIGH_RO_USED     0x00000000000000f0ULL
+#define  TXC_RO_STATE3_NUM_RO_USED      0x000000000000000fULL
+
+#define TXC_RO_CTL(PORT)                (FZC_TXC + 0x200d8UL + (PORT)*0x100UL)
+#define  TXC_RO_CTL_CLR_FAIL_STATE      0x0000000080000000ULL
+#define  TXC_RO_CTL_RO_ADDR             0x000000000f000000ULL
+#define  TXC_RO_CTL_ADDR_FAILED         0x0000000000400000ULL
+#define  TXC_RO_CTL_DMA_FAILED          0x0000000000200000ULL
+#define  TXC_RO_CTL_LEN_FAILED          0x0000000000100000ULL
+#define  TXC_RO_CTL_CAPT_ADDR_FAILED    0x0000000000040000ULL
+#define  TXC_RO_CTL_CAPT_DMA_FAILED     0x0000000000020000ULL
+#define  TXC_RO_CTL_CAPT_LEN_FAILED     0x0000000000010000ULL
+#define  TXC_RO_CTL_RO_STATE_RD_DONE    0x0000000000000080ULL
+#define  TXC_RO_CTL_RO_STATE_WR_DONE    0x0000000000000040ULL
+#define  TXC_RO_CTL_RO_STATE_RD         0x0000000000000020ULL
+#define  TXC_RO_CTL_RO_STATE_WR         0x0000000000000010ULL
+#define  TXC_RO_CTL_RO_STATE_ADDR       0x000000000000000fULL
+
+#define TXC_RO_ST_DATA0(PORT)           (FZC_TXC + 0x200e0UL + (PORT)*0x100UL)
+#define  TXC_RO_ST_DATA0_DATA0          0x00000000ffffffffULL
+
+#define TXC_RO_ST_DATA1(PORT)           (FZC_TXC + 0x200e8UL + (PORT)*0x100UL)
+#define  TXC_RO_ST_DATA1_DATA1          0x00000000ffffffffULL
+
+#define TXC_RO_ST_DATA2(PORT)           (FZC_TXC + 0x200f0UL + (PORT)*0x100UL)
+#define  TXC_RO_ST_DATA2_DATA2          0x00000000ffffffffULL
+
+#define TXC_RO_ST_DATA3(PORT)           (FZC_TXC + 0x200f8UL + (PORT)*0x100UL)
+#define  TXC_RO_ST_DATA3_DATA3          0x00000000ffffffffULL
+
+#define TXC_PORT_PACKET_REQ(PORT)       (FZC_TXC + 0x20100UL + (PORT)*0x100UL)
+#define  TXC_PORT_PACKET_REQ_GATHER_REQ 0x00000000f0000000ULL
+#define  TXC_PORT_PACKET_REQ_PKT_REQ    0x000000000fff0000ULL
+#define  TXC_PORT_PACKET_REQ_PERR_ABRT  0x000000000000ffffULL
+
+        /* bits are same as TXC_INT_STAT */
+#define TXC_INT_STAT_DBG                (FZC_TXC + 0x20420UL)
+
+#define TXC_INT_STAT                    (FZC_TXC + 0x20428UL)
+#define  TXC_INT_STAT_VAL_SHIFT(PORT)   ((PORT) * 8)
+#define  TXC_INT_STAT_VAL(PORT)         (0x3f << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_SF_CE(PORT)       (0x01 << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_SF_UE(PORT)       (0x02 << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_RO_CE(PORT)       (0x04 << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_RO_UE(PORT)       (0x08 << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_REORDER_ERR(PORT) (0x10 << TXC_INT_STAT_VAL_SHIFT(PORT))
+#define  TXC_INT_STAT_PKTASM_DEAD(PORT) (0x20 << TXC_INT_STAT_VAL_SHIFT(PORT))
+
+#define TXC_INT_MASK                    (FZC_TXC + 0x20430UL)
+#define  TXC_INT_MASK_VAL_SHIFT(PORT)   ((PORT) * 8)
+#define  TXC_INT_MASK_VAL(PORT)         (0x3f << TXC_INT_STAT_VAL_SHIFT(PORT))
+
+#define TXC_INT_MASK_SF_CE              0x01
+#define TXC_INT_MASK_SF_UE              0x02
+#define TXC_INT_MASK_RO_CE              0x04
+#define TXC_INT_MASK_RO_UE              0x08
+#define TXC_INT_MASK_REORDER_ERR        0x10
+#define TXC_INT_MASK_PKTASM_DEAD        0x20
+#define TXC_INT_MASK_ALL                0x3f
+
+#define TXC_PORT_DMA(IDX)               (FZC_TXC + 0x20028UL + (IDX)*0x100UL)
+
+#define ESPC_PIO_EN                     (FZC_PROM + 0x40000UL)
+#define  ESPC_PIO_EN_ENABLE             0x0000000000000001ULL
+
+#define ESPC_PIO_STAT                   (FZC_PROM + 0x40008UL)
+#define  ESPC_PIO_STAT_READ_START       0x0000000080000000ULL
+#define  ESPC_PIO_STAT_READ_END         0x0000000040000000ULL
+#define  ESPC_PIO_STAT_WRITE_INIT       0x0000000020000000ULL
+#define  ESPC_PIO_STAT_WRITE_END        0x0000000010000000ULL
+#define  ESPC_PIO_STAT_ADDR             0x0000000003ffff00ULL
+#define  ESPC_PIO_STAT_ADDR_SHIFT       8
+#define  ESPC_PIO_STAT_DATA             0x00000000000000ffULL
+#define  ESPC_PIO_STAT_DATA_SHIFT       0
+
+#define ESPC_NCR(IDX)                   (FZC_PROM + 0x40020UL + (IDX)*0x8UL)
+#define  ESPC_NCR_VAL                   0x00000000ffffffffULL
+
+#define ESPC_MAC_ADDR0                  ESPC_NCR(0)
+#define ESPC_MAC_ADDR1                  ESPC_NCR(1)
+#define ESPC_NUM_PORTS_MACS             ESPC_NCR(2)
+#define  ESPC_NUM_PORTS_MACS_VAL        0x00000000000000ffULL
+#define ESPC_MOD_STR_LEN                ESPC_NCR(4)
+#define ESPC_MOD_STR_1                  ESPC_NCR(5)
+#define ESPC_MOD_STR_2                  ESPC_NCR(6)
+#define ESPC_MOD_STR_3                  ESPC_NCR(7)
+#define ESPC_MOD_STR_4                  ESPC_NCR(8)
+#define ESPC_MOD_STR_5                  ESPC_NCR(9)
+#define ESPC_MOD_STR_6                  ESPC_NCR(10)
+#define ESPC_MOD_STR_7                  ESPC_NCR(11)
+#define ESPC_MOD_STR_8                  ESPC_NCR(12)
+#define ESPC_BD_MOD_STR_LEN             ESPC_NCR(13)
+#define ESPC_BD_MOD_STR_1               ESPC_NCR(14)
+#define ESPC_BD_MOD_STR_2               ESPC_NCR(15)
+#define ESPC_BD_MOD_STR_3               ESPC_NCR(16)
+#define ESPC_BD_MOD_STR_4               ESPC_NCR(17)
+
+#define ESPC_PHY_TYPE                   ESPC_NCR(18)
+#define  ESPC_PHY_TYPE_PORT0            0x00000000ff000000ULL
+#define  ESPC_PHY_TYPE_PORT0_SHIFT      24
+#define  ESPC_PHY_TYPE_PORT1            0x0000000000ff0000ULL
+#define  ESPC_PHY_TYPE_PORT1_SHIFT      16
+#define  ESPC_PHY_TYPE_PORT2            0x000000000000ff00ULL
+#define  ESPC_PHY_TYPE_PORT2_SHIFT      8
+#define  ESPC_PHY_TYPE_PORT3            0x00000000000000ffULL
+#define  ESPC_PHY_TYPE_PORT3_SHIFT      0
+
+#define  ESPC_PHY_TYPE_1G_COPPER        3
+#define  ESPC_PHY_TYPE_1G_FIBER         2
+#define  ESPC_PHY_TYPE_10G_COPPER       1
+#define  ESPC_PHY_TYPE_10G_FIBER        0
+
+#define ESPC_MAX_FM_SZ                  ESPC_NCR(19)
+
+#define ESPC_INTR_NUM                   ESPC_NCR(20)
+#define  ESPC_INTR_NUM_PORT0            0x00000000ff000000ULL
+#define  ESPC_INTR_NUM_PORT1            0x0000000000ff0000ULL
+#define  ESPC_INTR_NUM_PORT2            0x000000000000ff00ULL
+#define  ESPC_INTR_NUM_PORT3            0x00000000000000ffULL
+
+#define ESPC_VER_IMGSZ                  ESPC_NCR(21)
+#define  ESPC_VER_IMGSZ_IMGSZ           0x00000000ffff0000ULL
+#define  ESPC_VER_IMGSZ_IMGSZ_SHIFT     16
+#define  ESPC_VER_IMGSZ_VER             0x000000000000ffffULL
+#define  ESPC_VER_IMGSZ_VER_SHIFT       0
+
+#define ESPC_CHKSUM                     ESPC_NCR(22)
+#define  ESPC_CHKSUM_SUM                0x00000000000000ffULL
+
+#define ESPC_EEPROM_SIZE                0x100000
+
+#define CLASS_CODE_UNRECOG              0x00
+#define CLASS_CODE_DUMMY1               0x01
+#define CLASS_CODE_ETHERTYPE1           0x02
+#define CLASS_CODE_ETHERTYPE2           0x03
+#define CLASS_CODE_USER_PROG1           0x04
+#define CLASS_CODE_USER_PROG2           0x05
+#define CLASS_CODE_USER_PROG3           0x06
+#define CLASS_CODE_USER_PROG4           0x07
+#define CLASS_CODE_TCP_IPV4             0x08
+#define CLASS_CODE_UDP_IPV4             0x09
+#define CLASS_CODE_AH_ESP_IPV4          0x0a
+#define CLASS_CODE_SCTP_IPV4            0x0b
+#define CLASS_CODE_TCP_IPV6             0x0c
+#define CLASS_CODE_UDP_IPV6             0x0d
+#define CLASS_CODE_AH_ESP_IPV6          0x0e
+#define CLASS_CODE_SCTP_IPV6            0x0f
+#define CLASS_CODE_ARP                  0x10
+#define CLASS_CODE_RARP                 0x11
+#define CLASS_CODE_DUMMY2               0x12
+#define CLASS_CODE_DUMMY3               0x13
+#define CLASS_CODE_DUMMY4               0x14
+#define CLASS_CODE_DUMMY5               0x15
+#define CLASS_CODE_DUMMY6               0x16
+#define CLASS_CODE_DUMMY7               0x17
+#define CLASS_CODE_DUMMY8               0x18
+#define CLASS_CODE_DUMMY9               0x19
+#define CLASS_CODE_DUMMY10              0x1a
+#define CLASS_CODE_DUMMY11              0x1b
+#define CLASS_CODE_DUMMY12              0x1c
+#define CLASS_CODE_DUMMY13              0x1d
+#define CLASS_CODE_DUMMY14              0x1e
+#define CLASS_CODE_DUMMY15              0x1f
+
+/* Logical devices and device groups */
+#define LDN_RXDMA(CHAN)                 (0 + (CHAN))
+#define LDN_RESV1(OFF)                  (16 + (OFF))
+#define LDN_TXDMA(CHAN)                 (32 + (CHAN))
+#define LDN_RESV2(OFF)                  (56 + (OFF))
+#define LDN_MIF                         63
+#define LDN_MAC(PORT)                   (64 + (PORT))
+#define LDN_DEVICE_ERROR                68
+#define LDN_MAX                         LDN_DEVICE_ERROR
+
+#define NIU_LDG_MIN                     0
+#define NIU_LDG_MAX                     63
+#define NIU_NUM_LDG                     64
+#define LDG_INVALID                     0xff
+
+/* PHY stuff */
+#define NIU_PMA_PMD_DEV_ADDR            1
+#define NIU_PCS_DEV_ADDR                3
+
+#define NIU_PHY_ID_MASK                 0xfffff0f0
+#define NIU_PHY_ID_BCM8704              0x00206030
+#define NIU_PHY_ID_BCM5464R             0x002060b0
+
+#define BCM8704_PMA_PMD_DEV_ADDR        1
+#define BCM8704_PCS_DEV_ADDR            2
+#define BCM8704_USER_DEV3_ADDR          3
+#define BCM8704_PHYXS_DEV_ADDR          4
+#define BCM8704_USER_DEV4_ADDR          4
+
+#define BCM8704_PMD_RCV_SIGDET          0x000a
+#define  PMD_RCV_SIGDET_LANE3           0x0010
+#define  PMD_RCV_SIGDET_LANE2           0x0008
+#define  PMD_RCV_SIGDET_LANE1           0x0004
+#define  PMD_RCV_SIGDET_LANE0           0x0002
+#define  PMD_RCV_SIGDET_GLOBAL          0x0001
+
+#define BCM8704_PCS_10G_R_STATUS        0x0020
+#define  PCS_10G_R_STATUS_LINKSTAT      0x1000
+#define  PCS_10G_R_STATUS_PRBS31_ABLE   0x0004
+#define  PCS_10G_R_STATUS_HI_BER        0x0002
+#define  PCS_10G_R_STATUS_BLK_LOCK      0x0001
+
+#define BCM8704_USER_CONTROL            0xc800
+#define  USER_CONTROL_OPTXENB_LVL       0x8000
+#define  USER_CONTROL_OPTXRST_LVL       0x4000
+#define  USER_CONTROL_OPBIASFLT_LVL     0x2000
+#define  USER_CONTROL_OBTMPFLT_LVL      0x1000
+#define  USER_CONTROL_OPPRFLT_LVL       0x0800
+#define  USER_CONTROL_OPTXFLT_LVL       0x0400
+#define  USER_CONTROL_OPRXLOS_LVL       0x0200
+#define  USER_CONTROL_OPRXFLT_LVL       0x0100
+#define  USER_CONTROL_OPTXON_LVL        0x0080
+#define  USER_CONTROL_RES1              0x007f
+#define  USER_CONTROL_RES1_SHIFT        0
+
+#define BCM8704_USER_ANALOG_CLK         0xc801
+#define BCM8704_USER_PMD_RX_CONTROL     0xc802
+
+#define BCM8704_USER_PMD_TX_CONTROL     0xc803
+#define  USER_PMD_TX_CTL_RES1           0xfe00
+#define  USER_PMD_TX_CTL_XFP_CLKEN      0x0100
+#define  USER_PMD_TX_CTL_TX_DAC_TXD     0x00c0
+#define  USER_PMD_TX_CTL_TX_DAC_TXD_SH  6
+#define  USER_PMD_TX_CTL_TX_DAC_TXCK    0x0030
+#define  USER_PMD_TX_CTL_TX_DAC_TXCK_SH 4
+#define  USER_PMD_TX_CTL_TSD_LPWREN     0x0008
+#define  USER_PMD_TX_CTL_TSCK_LPWREN    0x0004
+#define  USER_PMD_TX_CTL_CMU_LPWREN     0x0002
+#define  USER_PMD_TX_CTL_SFIFORST       0x0001
+
+#define BCM8704_USER_ANALOG_STATUS0     0xc804
+#define BCM8704_USER_OPT_DIGITAL_CTRL   0xc808
+#define BCM8704_USER_TX_ALARM_STATUS    0x9004
+
+#define  USER_ODIG_CTRL_FMODE           0x8000
+#define  USER_ODIG_CTRL_TX_PDOWN        0x4000
+#define  USER_ODIG_CTRL_RX_PDOWN        0x2000
+#define  USER_ODIG_CTRL_EFILT_EN        0x1000
+#define  USER_ODIG_CTRL_OPT_RST         0x0800
+#define  USER_ODIG_CTRL_PCS_TIB         0x0400
+#define  USER_ODIG_CTRL_PCS_RI          0x0200
+#define  USER_ODIG_CTRL_RESV1           0x0180
+#define  USER_ODIG_CTRL_GPIOS           0x0060
+#define  USER_ODIG_CTRL_GPIOS_SHIFT     5
+#define  USER_ODIG_CTRL_RESV2           0x0010
+#define  USER_ODIG_CTRL_LB_ERR_DIS      0x0008
+#define  USER_ODIG_CTRL_RESV3           0x0006
+#define  USER_ODIG_CTRL_TXONOFF_PD_DIS  0x0001
+
+#define BCM8704_PHYXS_XGXS_LANE_STAT    0x0018
+#define  PHYXS_XGXS_LANE_STAT_ALINGED   0x1000
+#define  PHYXS_XGXS_LANE_STAT_PATTEST   0x0800
+#define  PHYXS_XGXS_LANE_STAT_MAGIC     0x0400
+#define  PHYXS_XGXS_LANE_STAT_LANE3     0x0008
+#define  PHYXS_XGXS_LANE_STAT_LANE2     0x0004
+#define  PHYXS_XGXS_LANE_STAT_LANE1     0x0002
+#define  PHYXS_XGXS_LANE_STAT_LANE0     0x0001
+
+#define BCM5464R_AUX_CTL                24
+#define  BCM5464R_AUX_CTL_EXT_LB        0x8000
+#define  BCM5464R_AUX_CTL_EXT_PLEN      0x4000
+#define  BCM5464R_AUX_CTL_ER1000        0x3000
+#define  BCM5464R_AUX_CTL_ER1000_SHIFT  12
+#define  BCM5464R_AUX_CTL_RESV1         0x0800
+#define  BCM5464R_AUX_CTL_WRITE_1       0x0400
+#define  BCM5464R_AUX_CTL_RESV2         0x0300
+#define  BCM5464R_AUX_CTL_PRESP_DIS     0x0080
+#define  BCM5464R_AUX_CTL_RESV3         0x0040
+#define  BCM5464R_AUX_CTL_ER100         0x0030
+#define  BCM5464R_AUX_CTL_ER100_SHIFT   4
+#define  BCM5464R_AUX_CTL_DIAG_MODE     0x0008
+#define  BCM5464R_AUX_CTL_SR_SEL        0x0007
+#define  BCM5464R_AUX_CTL_SR_SEL_SHIFT  0
+
+#define  BCM5464R_CTRL1000_AS_MASTER            0x0800
+#define  BCM5464R_CTRL1000_ENABLE_AS_MASTER     0x1000
+
+#define RCR_ENTRY_MULTI                 0x8000000000000000ULL
+#define RCR_ENTRY_PKT_TYPE              0x6000000000000000ULL
+#define RCR_ENTRY_PKT_TYPE_SHIFT        61
+#define RCR_ENTRY_ZERO_COPY             0x1000000000000000ULL
+#define RCR_ENTRY_NOPORT                0x0800000000000000ULL
+#define RCR_ENTRY_PROMISC               0x0400000000000000ULL
+#define RCR_ENTRY_ERROR                 0x0380000000000000ULL
+#define RCR_ENTRY_DCF_ERR               0x0040000000000000ULL
+#define RCR_ENTRY_L2_LEN                0x003fff0000000000ULL
+#define RCR_ENTRY_L2_LEN_SHIFT          40
+#define RCR_ENTRY_PKTBUFSZ              0x000000c000000000ULL
+#define RCR_ENTRY_PKTBUFSZ_SHIFT        38
+#define RCR_ENTRY_PKT_BUF_ADDR          0x0000003fffffffffULL /* bits 43:6 */
+#define RCR_ENTRY_PKT_BUF_ADDR_SHIFT    6
+
+#define RCR_PKT_TYPE_OTHER              0x0
+#define RCR_PKT_TYPE_TCP                0x1
+#define RCR_PKT_TYPE_UDP                0x2
+#define RCR_PKT_TYPE_SCTP               0x3
+
+#define NIU_RXPULL_MAX                  ETH_HLEN
+
+struct rx_pkt_hdr0 {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+        u8      inputport:2,
+                maccheck:1,
+                class:4;
+        u8      vlan:1,
+                llcsnap:1,
+                noport:1,
+                badip:1,
+                tcamhit:1,
+                tres:2,
+                tzfvld:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+        u8      class:4,
+                maccheck:1,
+                inputport:2;
+        u8      tzfvld:1,
+                tres:2,
+                tcamhit:1,
+                badip:1,
+                noport:1,
+                llcsnap:1,
+                vlan:1;
+#endif
+};
+
+struct rx_pkt_hdr1 {
+        u8      hwrsvd1;
+        u8      tcammatch;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+        u8      hwrsvd2:2,
+                hashit:1,
+                exact:1,
+                hzfvld:1,
+                hashsidx:3;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+        u8      hashsidx:3,
+                hzfvld:1,
+                exact:1,
+                hashit:1,
+                hwrsvd2:2;
+#endif
+        u8      zcrsvd;
+
+        /* Bits 11:8 of zero copy flow ID.  */
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+        u8      hwrsvd3:4, zflowid0:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+        u8      zflowid0:4, hwrsvd3:4;
+#endif
+
+        /* Bits 7:0 of zero copy flow ID.  */
+        u8      zflowid1;
+
+        /* Bits 15:8 of hash value, H2.  */
+        u8      hashval2_0;
+
+        /* Bits 7:0 of hash value, H2.  */
+        u8      hashval2_1;
+
+        /* Bits 19:16 of hash value, H1.  */
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+        u8      hwrsvd4:4, hashval1_0:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+        u8      hashval1_0:4, hwrsvd4:4;
+#endif
+
+        /* Bits 15:8 of hash value, H1.  */
+        u8      hashval1_1;
+
+        /* Bits 7:0 of hash value, H1.  */
+        u8      hashval1_2;
+
+        u8      usrdata_0;      /* Bits 39:32 of user data.  */
+        u8      usrdata_1;      /* Bits 31:24 of user data.  */
+        u8      usrdata_2;      /* Bits 23:16 of user data.  */
+        u8      usrdata_3;      /* Bits 15:8 of user data.  */
+        u8      usrdata_4;      /* Bits 7:0 of user data.  */
+};
+
+struct tx_dma_mbox {
+        u64     tx_dma_pre_st;
+        u64     tx_cs;
+        u64     tx_ring_kick;
+        u64     tx_ring_hdl;
+        u64     resv1;
+        u32     tx_rng_err_logl;
+        u32     tx_rng_err_logh;
+        u64     resv2;
+        u64     resv3;
+};
+
+struct tx_pkt_hdr {
+        __le64  flags;
+#define TXHDR_PAD               0x0000000000000007ULL
+#define  TXHDR_PAD_SHIFT        0
+#define TXHDR_LEN               0x000000003fff0000ULL
+#define  TXHDR_LEN_SHIFT        16
+#define TXHDR_L4STUFF           0x0000003f00000000ULL
+#define  TXHDR_L4STUFF_SHIFT    32
+#define TXHDR_L4START           0x00003f0000000000ULL
+#define  TXHDR_L4START_SHIFT    40
+#define TXHDR_L3START           0x000f000000000000ULL
+#define  TXHDR_L3START_SHIFT    48
+#define TXHDR_IHL               0x00f0000000000000ULL
+#define  TXHDR_IHL_SHIFT        52
+#define TXHDR_VLAN              0x0100000000000000ULL
+#define TXHDR_LLC               0x0200000000000000ULL
+#define TXHDR_IP_VER            0x2000000000000000ULL
+#define TXHDR_CSUM_NONE         0x0000000000000000ULL
+#define TXHDR_CSUM_TCP          0x4000000000000000ULL
+#define TXHDR_CSUM_UDP          0x8000000000000000ULL
+#define TXHDR_CSUM_SCTP         0xc000000000000000ULL
+        __le64  resv;
+};
+
+#define TX_DESC_SOP             0x8000000000000000ULL
+#define TX_DESC_MARK            0x4000000000000000ULL
+#define TX_DESC_NUM_PTR         0x3c00000000000000ULL
+#define TX_DESC_NUM_PTR_SHIFT   58
+#define TX_DESC_TR_LEN          0x01fff00000000000ULL
+#define TX_DESC_TR_LEN_SHIFT    44
+#define TX_DESC_SAD             0x00000fffffffffffULL
+#define TX_DESC_SAD_SHIFT       0
+
+struct tx_buff_info {
+        struct sk_buff *skb;
+        u64 mapping;
+};
+
+struct txdma_mailbox {
+        __le64  tx_dma_pre_st;
+        __le64  tx_cs;
+        __le64  tx_ring_kick;
+        __le64  tx_ring_hdl;
+        __le64  resv1;
+        __le32  tx_rng_err_logl;
+        __le32  tx_rng_err_logh;
+        __le64  resv2[2];
+} __attribute__((aligned(64)));
+
+#define MAX_TX_RING_SIZE        256
+#define MAX_TX_DESC_LEN         4076
+
+struct tx_ring_info {
+        struct tx_buff_info     tx_buffs[MAX_TX_RING_SIZE];
+        struct niu              *np;
+        u64                     tx_cs;
+        int                     pending;
+        int                     prod;
+        int                     cons;
+        int                     wrap_bit;
+        u16                     last_pkt_cnt;
+        u16                     tx_channel;
+        u16                     mark_counter;
+        u16                     mark_freq;
+        u16                     mark_pending;
+        u16                     __pad;
+        struct txdma_mailbox    *mbox;
+        __le64                  *descr;
+
+        u64                     tx_packets;
+        u64                     tx_bytes;
+        u64                     tx_errors;
+
+        u64                     mbox_dma;
+        u64                     descr_dma;
+        int                     max_burst;
+};
+
+#define NEXT_TX(tp, index) \
+        (((index) + 1) < (tp)->pending ? ((index) + 1) : 0)
+
+static inline u32 niu_tx_avail(struct tx_ring_info *tp)
+{
+        return (tp->pending -
+                ((tp->prod - tp->cons) & (MAX_TX_RING_SIZE - 1)));
+}
+
+struct rxdma_mailbox {
+        __le64  rx_dma_ctl_stat;
+        __le64  rbr_stat;
+        __le32  rbr_hdl;
+        __le32  rbr_hdh;
+        __le64  resv1;
+        __le32  rcrstat_c;
+        __le32  rcrstat_b;
+        __le64  rcrstat_a;
+        __le64  resv2[2];
+} __attribute__((aligned(64)));
+
+#define MAX_RBR_RING_SIZE       128
+#define MAX_RCR_RING_SIZE       (MAX_RBR_RING_SIZE * 2)
+
+#define RBR_REFILL_MIN          16
+
+#define RX_SKB_ALLOC_SIZE       128 + NET_IP_ALIGN
+
+struct rx_ring_info {
+        struct niu              *np;
+        int                     rx_channel;
+        u16                     rbr_block_size;
+        u16                     rbr_blocks_per_page;
+        u16                     rbr_sizes[4];
+        unsigned int            rcr_index;
+        unsigned int            rcr_table_size;
+        unsigned int            rbr_index;
+        unsigned int            rbr_pending;
+        unsigned int            rbr_refill_pending;
+        unsigned int            rbr_kick_thresh;
+        unsigned int            rbr_table_size;
+        struct page             **rxhash;
+        struct rxdma_mailbox    *mbox;
+        __le64                  *rcr;
+        __le32                  *rbr;
+#define RBR_DESCR_ADDR_SHIFT    12
+
+        u64                     rx_packets;
+        u64                     rx_bytes;
+        u64                     rx_dropped;
+        u64                     rx_errors;
+
+        u64                     mbox_dma;
+        u64                     rcr_dma;
+        u64                     rbr_dma;
+
+        /* WRED */
+        int                     nonsyn_window;
+        int                     nonsyn_threshold;
+        int                     syn_window;
+        int                     syn_threshold;
+
+        /* interrupt mitigation */
+        int                     rcr_pkt_threshold;
+        int                     rcr_timeout;
+};
+
+#define NEXT_RCR(rp, index) \
+        (((index) + 1) < (rp)->rcr_table_size ? ((index) + 1) : 0)
+#define NEXT_RBR(rp, index) \
+        (((index) + 1) < (rp)->rbr_table_size ? ((index) + 1) : 0)
+
+#define NIU_MAX_PORTS           4
+#define NIU_NUM_RXCHAN          16
+#define NIU_NUM_TXCHAN          24
+#define MAC_NUM_HASH            16
+
+#define NIU_MAX_MTU             9216
+
+#define NIU_VPD_MIN_MAJOR       3
+#define NIU_VPD_MIN_MINOR       4
+
+#define NIU_VPD_MODEL_MAX       32
+#define NIU_VPD_BD_MODEL_MAX    16
+#define NIU_VPD_VERSION_MAX     64
+#define NIU_VPD_PHY_TYPE_MAX    8
+
+struct niu_vpd {
+        char                    model[NIU_VPD_MODEL_MAX];
+        char                    board_model[NIU_VPD_BD_MODEL_MAX];
+        char                    version[NIU_VPD_VERSION_MAX];
+        char                    phy_type[NIU_VPD_PHY_TYPE_MAX];
+        u8                      mac_num;
+        u8                      __pad;
+        u8                      local_mac[6];
+        int                     fcode_major;
+        int                     fcode_minor;
+};
+
+struct niu_altmac_rdc {
+        u8                      alt_mac_num;
+        u8                      rdc_num;
+        u8                      mac_pref;
+};
+
+struct niu_vlan_rdc {
+        u8                      rdc_num;
+        u8                      vlan_pref;
+};
+
+struct niu_classifier {
+        struct niu_altmac_rdc   alt_mac_mappings[16];
+        struct niu_vlan_rdc     vlan_mappings[ENET_VLAN_TBL_NUM_ENTRIES];
+
+        u16                     tcam_index;
+        u16                     num_alt_mac_mappings;
+
+        u32                     h1_init;
+        u16                     h2_init;
+};
+
+#define NIU_NUM_RDC_TABLES      8
+#define NIU_RDC_TABLE_SLOTS     16
+
+struct rdc_table {
+        u8                      rxdma_channel[NIU_RDC_TABLE_SLOTS];
+};
+
+struct niu_rdc_tables {
+        struct rdc_table        tables[NIU_NUM_RDC_TABLES];
+        int                     first_table_num;
+        int                     num_tables;
+};
+
+#define PHY_TYPE_PMA_PMD        0
+#define PHY_TYPE_PCS            1
+#define PHY_TYPE_MII            2
+#define PHY_TYPE_MAX            3
+
+struct phy_probe_info {
+        u32     phy_id[PHY_TYPE_MAX][NIU_MAX_PORTS];
+        u8      phy_port[PHY_TYPE_MAX][NIU_MAX_PORTS];
+        u8      cur[PHY_TYPE_MAX];
+
+        struct device_attribute phy_port_attrs[PHY_TYPE_MAX * NIU_MAX_PORTS];
+        struct device_attribute phy_type_attrs[PHY_TYPE_MAX * NIU_MAX_PORTS];
+        struct device_attribute phy_id_attrs[PHY_TYPE_MAX * NIU_MAX_PORTS];
+};
+
+struct niu_tcam_entry {
+        u64                     key[4];
+        u64                     key_mask[4];
+        u64                     assoc_data;
+};
+
+struct device_node;
+union niu_parent_id {
+        struct {
+                int             domain;
+                int             bus;
+                int             device;
+        } pci;
+        struct device_node      *of;
+};
+
+struct niu;
+struct niu_parent {
+        struct platform_device  *plat_dev;
+        int                     index;
+
+        union niu_parent_id     id;
+
+        struct niu              *ports[NIU_MAX_PORTS];
+
+        atomic_t                refcnt;
+        struct list_head        list;
+
+        spinlock_t              lock;
+
+        u32                     flags;
+#define PARENT_FLGS_CLS_HWINIT  0x00000001
+
+        u32                     port_phy;
+#define PORT_PHY_UNKNOWN        0x00000000
+#define PORT_PHY_INVALID        0xffffffff
+#define PORT_TYPE_10G           0x01
+#define PORT_TYPE_1G            0x02
+#define PORT_TYPE_MASK          0x03
+
+        u8                      rxchan_per_port[NIU_MAX_PORTS];
+        u8                      txchan_per_port[NIU_MAX_PORTS];
+
+        struct niu_rdc_tables   rdc_group_cfg[NIU_MAX_PORTS];
+        u8                      rdc_default[NIU_MAX_PORTS];
+
+        u8                      ldg_map[LDN_MAX + 1];
+
+        u8                      plat_type;
+#define PLAT_TYPE_INVALID       0x00
+#define PLAT_TYPE_ATLAS         0x01
+#define PLAT_TYPE_NIU           0x02
+#define PLAT_TYPE_VF_P0         0x03
+#define PLAT_TYPE_VF_P1         0x04
+
+        u8                      num_ports;
+
+        u16                     tcam_num_entries;
+#define NIU_PCI_TCAM_ENTRIES    256
+#define NIU_NONPCI_TCAM_ENTRIES 128
+#define NIU_TCAM_ENTRIES_MAX    256
+
+        int                     rxdma_clock_divider;
+
+        struct phy_probe_info   phy_probe_info;
+
+        struct niu_tcam_entry   tcam[NIU_TCAM_ENTRIES_MAX];
+        u64                     l2_cls[2];
+        u64                     l3_cls[4];
+        u64                     tcam_key[12];
+        u64                     flow_key[12];
+};
+
+struct niu_ops {
+        void *(*alloc_coherent)(struct device *dev, size_t size,
+                                u64 *handle, gfp_t flag);
+        void (*free_coherent)(struct device *dev, size_t size,
+                              void *cpu_addr, u64 handle);
+        u64 (*map_page)(struct device *dev, struct page *page,
+                        unsigned long offset, size_t size,
+                        enum dma_data_direction direction);
+        void (*unmap_page)(struct device *dev, u64 dma_address,
+                           size_t size, enum dma_data_direction direction);
+        u64 (*map_single)(struct device *dev, void *cpu_addr,
+                          size_t size,
+                          enum dma_data_direction direction);
+        void (*unmap_single)(struct device *dev, u64 dma_address,
+                             size_t size, enum dma_data_direction direction);
+};
+
+struct niu_link_config {
+        /* Describes what we're trying to get. */
+        u32                             advertising;
+        u32                             supported;
+        u16                             speed;
+        u8                              duplex;
+        u8                              autoneg;
+
+        /* Describes what we actually have. */
+        u16                             active_speed;
+        u8                              active_duplex;
+#define SPEED_INVALID           0xffff
+#define DUPLEX_INVALID          0xff
+#define AUTONEG_INVALID         0xff
+
+        u8                              loopback_mode;
+#define LOOPBACK_DISABLED       0x00
+#define LOOPBACK_PHY            0x01
+#define LOOPBACK_MAC            0x02
+};
+
+struct niu_ldg {
+        struct napi_struct      napi;
+        struct niu      *np;
+        u8              ldg_num;
+        u8              timer;
+        u64             v0, v1, v2;
+        unsigned int    irq;
+};
+
+struct niu_xmac_stats {
+        u64     tx_frames;
+        u64     tx_bytes;
+        u64     tx_fifo_errors;
+        u64     tx_overflow_errors;
+        u64     tx_max_pkt_size_errors;
+        u64     tx_underflow_errors;
+
+        u64     rx_local_faults;
+        u64     rx_remote_faults;
+        u64     rx_link_faults;
+        u64     rx_align_errors;
+        u64     rx_frags;
+        u64     rx_mcasts;
+        u64     rx_bcasts;
+        u64     rx_hist_cnt1;
+        u64     rx_hist_cnt2;
+        u64     rx_hist_cnt3;
+        u64     rx_hist_cnt4;
+        u64     rx_hist_cnt5;
+        u64     rx_hist_cnt6;
+        u64     rx_hist_cnt7;
+        u64     rx_octets;
+        u64     rx_code_violations;
+        u64     rx_len_errors;
+        u64     rx_crc_errors;
+        u64     rx_underflows;
+        u64     rx_overflows;
+
+        u64     pause_off_state;
+        u64     pause_on_state;
+        u64     pause_received;
+};
+
+struct niu_bmac_stats {
+        u64     tx_underflow_errors;
+        u64     tx_max_pkt_size_errors;
+        u64     tx_bytes;
+        u64     tx_frames;
+
+        u64     rx_overflows;
+        u64     rx_frames;
+        u64     rx_align_errors;
+        u64     rx_crc_errors;
+        u64     rx_len_errors;
+
+        u64     pause_off_state;
+        u64     pause_on_state;
+        u64     pause_received;
+};
+
+union niu_mac_stats {
+        struct niu_xmac_stats   xmac;
+        struct niu_bmac_stats   bmac;
+};
+
+struct niu_phy_ops {
+        int (*serdes_init)(struct niu *np);
+        int (*xcvr_init)(struct niu *np);
+        int (*link_status)(struct niu *np, int *);
+};
+
+struct of_device;
+struct niu {
+        void __iomem                    *regs;
+        struct net_device               *dev;
+        struct pci_dev                  *pdev;
+        struct device                   *device;
+        struct niu_parent               *parent;
+
+        u32                             flags;
+#define NIU_FLAGS_MSIX                  0x00400000 /* MSI-X in use */
+#define NIU_FLAGS_MCAST                 0x00200000 /* multicast filter enabled */
+#define NIU_FLAGS_PROMISC               0x00100000 /* PROMISC enabled */
+#define NIU_FLAGS_VPD_VALID             0x00080000 /* VPD has valid version */
+#define NIU_FLAGS_10G                   0x00040000 /* 0=1G 1=10G */
+#define NIU_FLAGS_FIBER                 0x00020000 /* 0=COPPER 1=FIBER */
+#define NIU_FLAGS_XMAC                  0x00010000 /* 0=BMAC 1=XMAC */
+
+        u32                             msg_enable;
+
+        /* Protects hw programming, and ring state.  */
+        spinlock_t                      lock;
+
+        const struct niu_ops            *ops;
+        struct net_device_stats         net_stats;
+        union niu_mac_stats             mac_stats;
+
+        struct rx_ring_info             *rx_rings;
+        struct tx_ring_info             *tx_rings;
+        int                             num_rx_rings;
+        int                             num_tx_rings;
+
+        struct niu_ldg                  ldg[NIU_NUM_LDG];
+        int                             num_ldg;
+
+        void __iomem                    *mac_regs;
+        unsigned long                   ipp_off;
+        unsigned long                   pcs_off;
+        unsigned long                   xpcs_off;
+
+        struct timer_list               timer;
+        const struct niu_phy_ops        *phy_ops;
+        int                             phy_addr;
+
+        struct niu_link_config          link_config;
+
+        struct work_struct              reset_task;
+
+        u8                              port;
+        u8                              mac_xcvr;
+#define MAC_XCVR_MII                    1
+#define MAC_XCVR_PCS                    2
+#define MAC_XCVR_XPCS                   3
+
+        struct niu_classifier           clas;
+
+        struct niu_vpd                  vpd;
+        u32                             eeprom_len;
+
+        struct of_device                *op;
+        void __iomem                    *vir_regs_1;
+        void __iomem                    *vir_regs_2;
+};
+
+#endif /* _NIU_H */