[TG3]: Add 5761 support

This patch adds rest of the miscellaneous code required to support the
5761.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 85 insertions, 15 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5b6c1b286e92..65aeca8e5147 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -200,6 +200,8 @@ static struct pci_device_id tg3_pci_tbl[] = {
         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
         {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
+        {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
+        {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
         {PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9MXX)},
         {PCI_DEVICE(PCI_VENDOR_ID_ALTIMA, PCI_DEVICE_ID_ALTIMA_AC1000)},
@@ -5087,7 +5089,8 @@ static int tg3_chip_reset(struct tg3 *tp)
         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
-            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                 tw32(GRC_FASTBOOT_PC, 0);
 
         /*
@@ -6363,7 +6366,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         if (err)
                 return err;
 
-        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784) {
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
+            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) {
                 /* This value is determined during the probe time DMA
                  * engine test, tg3_test_dma.
                  */
@@ -6769,7 +6773,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         /* Enable host coalescing bug fix */
         if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) ||
             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787) ||
-            (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784))
+            (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784) ||
+            (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761))
                 val |= (1 << 29);
 
         tw32_f(WDMAC_MODE, val);
@@ -6797,7 +6802,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         tw32(RCVDCC_MODE, RCVDCC_MODE_ENABLE | RCVDCC_MODE_ATTN_ENABLE);
         if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
                 tw32(MBFREE_MODE, MBFREE_MODE_ENABLE);
-        tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
+
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
+                tw32(SNDDATAC_MODE,
+                     SNDDATAC_MODE_ENABLE | SNDDATAC_MODE_CDELAY);
+        else
+                tw32(SNDDATAC_MODE, SNDDATAC_MODE_ENABLE);
+
         tw32(SNDBDC_MODE, SNDBDC_MODE_ENABLE | SNDBDC_MODE_ATTN_ENABLE);
         tw32(RCVBDI_MODE, RCVBDI_MODE_ENABLE | RCVBDI_MODE_RCB_ATTN_ENAB);
         tw32(RCVDBDI_MODE, RCVDBDI_MODE_ENABLE | RCVDBDI_MODE_INV_RING_SZ);
@@ -6824,7 +6835,8 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
         udelay(100);
 
         tp->rx_mode = RX_MODE_ENABLE;
-        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755)
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                 tp->rx_mode |= RX_MODE_IPV6_CSUM_ENABLE;
 
         tw32_f(MAC_RX_MODE, tp->rx_mode);
@@ -8368,10 +8380,12 @@ static int tg3_set_tso(struct net_device *dev, u32 value)
         }
         if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
             (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)) {
-                if (value)
+                if (value) {
                         dev->features |= NETIF_F_TSO6;
-                else
-                        dev->features &= ~NETIF_F_TSO6;
+                        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
+                                dev->features |= NETIF_F_TSO_ECN;
+                } else
+                        dev->features &= ~(NETIF_F_TSO6 | NETIF_F_TSO_ECN);
         }
         return ethtool_op_set_tso(dev, value);
 }
@@ -8550,7 +8564,8 @@ static int tg3_set_tx_csum(struct net_device *dev, u32 data)
 
         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
-            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                 ethtool_op_set_tx_ipv6_csum(dev, data);
         else
                 ethtool_op_set_tx_csum(dev, data);
@@ -9047,7 +9062,8 @@ static int tg3_test_memory(struct tg3 *tp)
         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
-                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                         mem_tbl = mem_tbl_5755;
                 else if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
                         mem_tbl = mem_tbl_5906;
@@ -9244,6 +9260,7 @@ out:
 static int tg3_test_loopback(struct tg3 *tp)
 {
         int err = 0;
+        u32 cpmuctrl = 0;
 
         if (!netif_running(tp->dev))
                 return TG3_LOOPBACK_FAILED;
@@ -9252,8 +9269,40 @@ static int tg3_test_loopback(struct tg3 *tp)
         if (err)
                 return TG3_LOOPBACK_FAILED;
 
+        if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
+                int i;
+                u32 status;
+
+                tw32(TG3_CPMU_MUTEX_REQ, CPMU_MUTEX_REQ_DRIVER);
+
+                /* Wait for up to 40 microseconds to acquire lock. */
+                for (i = 0; i < 4; i++) {
+                        status = tr32(TG3_CPMU_MUTEX_GNT);
+                        if (status == CPMU_MUTEX_GNT_DRIVER)
+                                break;
+                        udelay(10);
+                }
+
+                if (status != CPMU_MUTEX_GNT_DRIVER)
+                        return TG3_LOOPBACK_FAILED;
+
+                cpmuctrl = tr32(TG3_CPMU_CTRL);
+
+                /* Turn off power management based on link speed. */
+                tw32(TG3_CPMU_CTRL,
+                     cpmuctrl & ~CPMU_CTRL_LINK_SPEED_MODE);
+        }
+
         if (tg3_run_loopback(tp, TG3_MAC_LOOPBACK))
                 err |= TG3_MAC_LOOPBACK_FAILED;
+
+        if (tp->tg3_flags & TG3_FLAG_CPMU_PRESENT) {
+                tw32(TG3_CPMU_CTRL, cpmuctrl);
+
+                /* Release the mutex */
+                tw32(TG3_CPMU_MUTEX_GNT, CPMU_MUTEX_GNT_DRIVER);
+        }
+
         if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
                 if (tg3_run_loopback(tp, TG3_PHY_LOOPBACK))
                         err |= TG3_PHY_LOOPBACK_FAILED;
@@ -10192,6 +10241,7 @@ static int tg3_nvram_write_block_buffered(struct tg3 *tp, u32 offset, u32 len,
                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755) &&
                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787) &&
                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784) &&
+                    (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761) &&
                     (tp->nvram_jedecnum == JEDEC_ST) &&
                     (nvram_cmd & NVRAM_CMD_FIRST)) {
 
@@ -10941,6 +10991,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906 ||
             (tp->tg3_flags2 & TG3_FLG2_5780_CLASS))
                 tp->tg3_flags2 |= TG3_FLG2_5750_PLUS;
@@ -10961,6 +11012,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
                         tp->tg3_flags2 |= TG3_FLG2_HW_TSO_2;
                         tp->tg3_flags2 |= TG3_FLG2_1SHOT_MSI;
@@ -10979,6 +11031,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5755 &&
             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5787 &&
             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5784 &&
+            GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5761 &&
             GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906)
                 tp->tg3_flags2 |= TG3_FLG2_JUMBO_CAPABLE;
 
@@ -11164,7 +11217,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                                        pci_state_reg);
         }
 
-        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
+        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                 tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT;
 
         /* Set up tp->grc_local_ctrl before calling tg3_set_power_state().
@@ -11234,7 +11288,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS) {
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
-                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784) {
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761) {
                         if (tp->pdev->device != PCI_DEVICE_ID_TIGON3_5756 &&
                             tp->pdev->device != PCI_DEVICE_ID_TIGON3_5722)
                                 tp->tg3_flags2 |= TG3_FLG2_PHY_JITTER_BUG;
@@ -11378,6 +11433,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+            GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761 ||
             GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
                 tp->dev->hard_start_xmit = tg3_start_xmit;
         else
@@ -12002,6 +12058,7 @@ static char * __devinit tg3_phy_string(struct tg3 *tp)
         case PHY_ID_BCM5784:    return "5784";
         case PHY_ID_BCM5756:    return "5722/5756";
         case PHY_ID_BCM5906:    return "5906";
+        case PHY_ID_BCM5761:    return "5761";
         case PHY_ID_BCM8002:    return "8002/serdes";
         case 0:                 return "serdes";
         default:                return "unknown";
@@ -12304,6 +12361,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 if ((tp->tg3_flags2 & TG3_FLG2_HW_TSO_2) &&
                     (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5906))
                         dev->features |= NETIF_F_TSO6;
+                if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
+                        dev->features |= NETIF_F_TSO_ECN;
         }
 
 
@@ -12345,7 +12404,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 ||
                     GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5787 ||
-                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784)
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
+                    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5761)
                         dev->features |= NETIF_F_IPV6_CSUM;
 
                 tp->tg3_flags |= TG3_FLAG_RX_CHECKSUMS;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 632c2f084c52..d1f5fa394ea7 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -666,6 +666,7 @@
 #define SNDDATAC_MODE                   0x00001000
 #define  SNDDATAC_MODE_RESET             0x00000001
 #define  SNDDATAC_MODE_ENABLE            0x00000002
+#define  SNDDATAC_MODE_CDELAY            0x00000010
 /* 0x1004 --> 0x1400 unused */
 
 /* Send BD ring selector */
@@ -854,7 +855,14 @@
 #define TG3_CPMU_CTRL                   0x00003600
 #define  CPMU_CTRL_LINK_IDLE_MODE        0x00000200
 #define  CPMU_CTRL_LINK_AWARE_MODE       0x00000400
-/* 0x3604 --> 0x3800 unused */
+#define  CPMU_CTRL_LINK_SPEED_MODE       0x00004000
+/* 0x3604 --> 0x365c unused */
+
+#define TG3_CPMU_MUTEX_REQ              0x0000365c
+#define  CPMU_MUTEX_REQ_DRIVER           0x00001000
+#define TG3_CPMU_MUTEX_GNT              0x00003660
+#define  CPMU_MUTEX_GNT_DRIVER           0x00001000
+/* 0x3664 --> 0x3800 unused */
 
 /* Mbuf cluster free registers */
 #define MBFREE_MODE                     0x00003800
@@ -2394,6 +2402,7 @@ struct tg3 {
 #define PHY_ID_BCM5787                  0xbc050ce0
 #define PHY_ID_BCM5756                  0xbc050ed0
 #define PHY_ID_BCM5784                  0xbc050fa0
+#define PHY_ID_BCM5761                  0xbc050fd0
 #define PHY_ID_BCM5906                  0xdc00ac40
 #define PHY_ID_BCM8002                  0x60010140
 #define PHY_ID_INVALID                  0xffffffff
@@ -2423,7 +2432,8 @@ struct tg3 {
          (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5714 || \
          (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
          (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
-         (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM8002)
+         (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \
+         (X) == PHY_ID_BCM8002)
 
         struct tg3_hw_stats             *hw_stats;
         dma_addr_t                      stats_mapping;