netxen: firmware download support

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 238 insertions, 74 deletions

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index f4dd9acb6877..b7261823189d 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -712,6 +712,15 @@ typedef enum {
         NETXEN_FIXED_START = 0x3F0000   /* backup of crbinit */
 } netxen_flash_map_t;
 
+#define NX_FW_VERSION_OFFSET    (NETXEN_USER_START+0x408)
+#define NX_FW_SIZE_OFFSET       (NETXEN_USER_START+0x40c)
+#define NX_BIOS_VERSION_OFFSET  (NETXEN_USER_START+0x83c)
+#define NX_FW_MAGIC_OFFSET      (NETXEN_BRDCFG_START+0x128)
+#define NX_FW_MIN_SIZE          (0x3fffff)
+#define NX_P2_MN_ROMIMAGE       "nxromimg.bin"
+#define NX_P3_CT_ROMIMAGE       "nx3fwct.bin"
+#define NX_P3_MN_ROMIMAGE       "nx3fwmn.bin"
+
 #define NETXEN_USER_START_OLD NETXEN_PXE_START  /* for backward compatibility */
 
 #define NETXEN_FLASH_START              (NETXEN_CRBINIT_START)
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index e80f9e3e5973..269a1f706889 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -858,6 +858,9 @@ enum {
 #define NETXEN_PORT_MODE_ADDR           (NETXEN_CAM_RAM(0x24))
 #define NETXEN_WOL_PORT_MODE            (NETXEN_CAM_RAM(0x198))
 
+#define NX_PEG_TUNE_MN_PRESENT          0x1
+#define NX_PEG_TUNE_CAPABILITY          (NETXEN_CAM_RAM(0x02c))
+
 #define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL                (0x14)
 
 #define ISR_MSI_INT_TRIGGER(FUNC) (NETXEN_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index b2f67b98c934..aef39e7a5e29 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -35,7 +35,7 @@
 #include "netxen_nic_hw.h"
 #include "netxen_nic_phan_reg.h"
 
-
+#include <linux/firmware.h>
 #include <net/ip.h>
 
 #define MASK(n) ((1ULL<<(n))-1)
@@ -951,24 +951,69 @@ netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
                 (ulong)adapter->ahw.pci_base0;
 }
 
-int netxen_load_firmware(struct netxen_adapter *adapter)
+static int
+netxen_do_load_firmware(struct netxen_adapter *adapter, const char *fwname,
+                const struct firmware *fw)
 {
-        int i;
-        u32 data, size = 0;
-        u32 flashaddr = NETXEN_BOOTLD_START;
+        u64 *ptr64;
+        u32 i, flashaddr, size;
+        struct pci_dev *pdev = adapter->pdev;
 
-        size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4;
+        if (fw)
+                dev_info(&pdev->dev, "loading firmware from file %s\n", fwname);
+        else
+                dev_info(&pdev->dev, "loading firmware from flash\n");
 
         if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
                 adapter->pci_write_normalize(adapter,
                                 NETXEN_ROMUSB_GLB_CAS_RST, 1);
 
-        for (i = 0; i < size; i++) {
-                if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
-                        return -EIO;
+        if (fw) {
+                __le64 data;
+
+                size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8;
+
+                ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START];
+                flashaddr = NETXEN_BOOTLD_START;
+
+                for (i = 0; i < size; i++) {
+                        data = cpu_to_le64(ptr64[i]);
+                        adapter->pci_mem_write(adapter, flashaddr, &data, 8);
+                        flashaddr += 8;
+                }
+
+                size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET];
+                size = (__force u32)cpu_to_le32(size) / 8;
+
+                ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START];
+                flashaddr = NETXEN_IMAGE_START;
+
+                for (i = 0; i < size; i++) {
+                        data = cpu_to_le64(ptr64[i]);
+
+                        if (adapter->pci_mem_write(adapter,
+                                                flashaddr, &data, 8))
+                                return -EIO;
+
+                        flashaddr += 8;
+                }
+        } else {
+                u32 data;
+
+                size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4;
+                flashaddr = NETXEN_BOOTLD_START;
 
-                adapter->pci_mem_write(adapter, flashaddr, &data, 4);
-                flashaddr += 4;
+                for (i = 0; i < size; i++) {
+                        if (netxen_rom_fast_read(adapter,
+                                        flashaddr, (int *)&data) != 0)
+                                return -EIO;
+
+                        if (adapter->pci_mem_write(adapter,
+                                                flashaddr, &data, 4))
+                                return -EIO;
+
+                        flashaddr += 4;
+                }
         }
         msleep(1);
 
@@ -985,6 +1030,114 @@ int netxen_load_firmware(struct netxen_adapter *adapter)
         return 0;
 }
 
+static int
+netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname,
+                const struct firmware *fw)
+{
+        __le32 val;
+        u32 major, minor, build, ver, min_ver, bios;
+        struct pci_dev *pdev = adapter->pdev;
+
+        if (fw->size < NX_FW_MIN_SIZE)
+                return -EINVAL;
+
+        val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]);
+        if ((__force u32)val != NETXEN_BDINFO_MAGIC)
+                return -EINVAL;
+
+        val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]);
+        major = (__force u32)val & 0xff;
+        minor = ((__force u32)val >> 8) & 0xff;
+        build = (__force u32)val >> 16;
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                min_ver = NETXEN_VERSION_CODE(4, 0, 216);
+        else
+                min_ver = NETXEN_VERSION_CODE(3, 4, 216);
+
+        ver = NETXEN_VERSION_CODE(major, minor, build);
+
+        if ((major > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) {
+                dev_err(&pdev->dev,
+                                "%s: firmware version %d.%d.%d unsupported\n",
+                                fwname, major, minor, build);
+                return -EINVAL;
+        }
+
+        val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
+        netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
+        if ((__force u32)val != bios) {
+                dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
+                                fwname);
+                return -EINVAL;
+        }
+
+        netxen_nic_reg_write(adapter, NETXEN_CAM_RAM(0x1fc),
+                        NETXEN_BDINFO_MAGIC);
+        return 0;
+}
+
+int netxen_load_firmware(struct netxen_adapter *adapter)
+{
+        u32 capability, flashed_ver;
+        const struct firmware *fw;
+        char *fw_name = NULL;
+        struct pci_dev *pdev = adapter->pdev;
+        int rc = 0;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+                fw_name = NX_P2_MN_ROMIMAGE;
+                goto request_fw;
+        }
+
+        capability = 0;
+
+        netxen_rom_fast_read(adapter,
+                        NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
+        if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) {
+                adapter->hw_read_wx(adapter,
+                                NX_PEG_TUNE_CAPABILITY, &capability, 4);
+                if (capability & NX_PEG_TUNE_MN_PRESENT) {
+                        fw_name = NX_P3_MN_ROMIMAGE;
+                        goto request_fw;
+                }
+        }
+
+request_ct:
+        fw_name = NX_P3_CT_ROMIMAGE;
+
+request_fw:
+        rc = request_firmware(&fw, fw_name, &pdev->dev);
+        if (rc != 0) {
+                if (fw_name == NX_P3_MN_ROMIMAGE) {
+                        msleep(1);
+                        goto request_ct;
+                }
+
+                fw = NULL;
+                goto load_fw;
+        }
+
+        rc = netxen_validate_firmware(adapter, fw_name, fw);
+        if (rc != 0) {
+                release_firmware(fw);
+
+                if (fw_name == NX_P3_MN_ROMIMAGE) {
+                        msleep(1);
+                        goto request_ct;
+                }
+
+                fw = NULL;
+        }
+
+load_fw:
+        rc = netxen_do_load_firmware(adapter, fw_name, fw);
+
+        if (fw)
+                release_firmware(fw);
+        return rc;
+}
+
 int
 netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
                 ulong off, void *data, int len)
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 2648e9026726..9d6e68fe0c94 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -457,18 +457,65 @@ static const struct net_device_ops netxen_netdev_ops = {
 #endif
 };
 
-/*
- * netxen_nic_probe()
- *
- * The Linux system will invoke this after identifying the vendor ID and
- * device Id in the pci_tbl supported by this module.
- *
- * A quad port card has one operational PCI config space, (function 0),
- * which is used to access all four ports.
- *
- * This routine will initialize the adapter, and setup the global parameters
- * along with the port's specific structure.
- */
+static int
+netxen_start_firmware(struct netxen_adapter *adapter)
+{
+        int val, err, first_boot;
+        struct pci_dev *pdev = adapter->pdev;
+
+        first_boot = adapter->pci_read_normalize(adapter,
+                        NETXEN_CAM_RAM(0x1fc));
+
+        err = netxen_check_hw_init(adapter, first_boot);
+        if (err) {
+                dev_err(&pdev->dev, "error in init HW init sequence\n");
+                return err;
+        }
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                netxen_set_port_mode(adapter);
+
+        if (first_boot != 0x55555555) {
+                adapter->pci_write_normalize(adapter,
+                                        CRB_CMDPEG_STATE, 0);
+                netxen_pinit_from_rom(adapter, 0);
+                msleep(1);
+        }
+        netxen_load_firmware(adapter);
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+
+                /* Initialize multicast addr pool owners */
+                val = 0x7654;
+                if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+                        val |= 0x0f000000;
+                netxen_crb_writelit_adapter(adapter,
+                                NETXEN_MAC_ADDR_CNTL_REG, val);
+
+        }
+
+        err = netxen_initialize_adapter_offload(adapter);
+        if (err)
+                return err;
+
+        /*
+         * Tell the hardware our version number.
+         */
+        val = (_NETXEN_NIC_LINUX_MAJOR << 16)
+                | ((_NETXEN_NIC_LINUX_MINOR << 8))
+                | (_NETXEN_NIC_LINUX_SUBVERSION);
+        adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, val);
+
+        /* Handshake with the card before we register the devices. */
+        err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+        if (err) {
+                netxen_free_adapter_offload(adapter);
+                return err;
+        }
+
+        return 0;
+}
+
 static int __devinit
 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -484,7 +531,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         u8 __iomem *db_ptr = NULL;
         unsigned long mem_base, mem_len, db_base, db_len = 0, pci_len0 = 0;
         int i = 0, err;
-        int first_driver, first_boot;
+        int first_driver;
         u32 val;
         int pci_func_id = PCI_FUNC(pdev->devfn);
         struct netxen_legacy_intr_set *legacy_intrp;
@@ -736,56 +783,10 @@ skip_doorbell:
         }
 
         if (first_driver) {
-                first_boot = adapter->pci_read_normalize(adapter,
-                                NETXEN_CAM_RAM(0x1fc));
-
-                err = netxen_check_hw_init(adapter, first_boot);
-                if (err) {
-                        printk(KERN_ERR "%s: error in init HW init sequence\n",
-                                        netxen_nic_driver_name);
-                        goto err_out_iounmap;
-                }
-
-                if (NX_IS_REVISION_P3(revision_id))
-                        netxen_set_port_mode(adapter);
-
-                if (first_boot != 0x55555555) {
-                        adapter->pci_write_normalize(adapter,
-                                                CRB_CMDPEG_STATE, 0);
-                        netxen_pinit_from_rom(adapter, 0);
-                        msleep(1);
-                }
-                netxen_load_firmware(adapter);
-
-                if (NX_IS_REVISION_P2(revision_id)) {
-
-                        /* Initialize multicast addr pool owners */
-                        val = 0x7654;
-                        if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
-                                val |= 0x0f000000;
-                        netxen_crb_writelit_adapter(adapter,
-                                        NETXEN_MAC_ADDR_CNTL_REG, val);
-
-                }
-
-                err = netxen_initialize_adapter_offload(adapter);
+                err = netxen_start_firmware(adapter);
                 if (err)
                         goto err_out_iounmap;
-
-                /*
-                 * Tell the hardware our version number.
-                 */
-                i = (_NETXEN_NIC_LINUX_MAJOR << 16)
-                        | ((_NETXEN_NIC_LINUX_MINOR << 8))
-                        | (_NETXEN_NIC_LINUX_SUBVERSION);
-                adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
-
-                /* Handshake with the card before we register the devices. */
-                err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
-                if (err)
-                        goto err_out_free_offload;
-
-        }       /* first_driver */
+        }
 
         netxen_nic_flash_print(adapter);
 
@@ -890,14 +891,12 @@ err_out_disable_msi:
         if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
                 pci_disable_msi(pdev);
 
-err_out_free_offload:
         if (first_driver)
                 netxen_free_adapter_offload(adapter);
 
 err_out_iounmap:
         if (db_ptr)
                 iounmap(db_ptr);
-
         if (mem_ptr0)
                 iounmap(mem_ptr0);
         if (mem_ptr1)