[TG3]: Add firmware version info

Add fw_version information to ethtool -i.

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

2 files changed, 57 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 602326b78ef9..0a4e7b74c1fc 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7666,6 +7666,7 @@ static void tg3_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info
   
         strcpy(info->driver, DRV_MODULE_NAME);
         strcpy(info->version, DRV_MODULE_VERSION);
+        strcpy(info->fw_version, tp->fw_ver);
         strcpy(info->bus_info, pci_name(tp->pdev));
 }
   
@@ -9069,6 +9070,20 @@ static u32 tg3_nvram_phys_addr(struct tg3 *tp, u32 addr)
         return addr;
 }
 
+static u32 tg3_nvram_logical_addr(struct tg3 *tp, u32 addr)
+{
+        if ((tp->tg3_flags & TG3_FLAG_NVRAM) &&
+            (tp->tg3_flags & TG3_FLAG_NVRAM_BUFFERED) &&
+            (tp->tg3_flags2 & TG3_FLG2_FLASH) &&
+            (tp->nvram_jedecnum == JEDEC_ATMEL))
+
+                addr = ((addr >> ATMEL_AT45DB0X1B_PAGE_POS) *
+                        tp->nvram_pagesize) +
+                       (addr & ((1 << ATMEL_AT45DB0X1B_PAGE_POS) - 1));
+
+        return addr;
+}
+
 static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
 {
         int ret;
@@ -9780,6 +9795,46 @@ out_not_found:
         strcpy(tp->board_part_number, "none");
 }
 
+static void __devinit tg3_read_fw_ver(struct tg3 *tp)
+{
+        u32 val, offset, start;
+
+        if (tg3_nvram_read_swab(tp, 0, &val))
+                return;
+
+        if (val != TG3_EEPROM_MAGIC)
+                return;
+
+        if (tg3_nvram_read_swab(tp, 0xc, &offset) ||
+            tg3_nvram_read_swab(tp, 0x4, &start))
+                return;
+
+        offset = tg3_nvram_logical_addr(tp, offset);
+        if (tg3_nvram_read_swab(tp, offset, &val))
+                return;
+
+        if ((val & 0xfc000000) == 0x0c000000) {
+                u32 ver_offset, addr;
+                int i;
+
+                if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
+                    tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+                        return;
+
+                if (val != 0)
+                        return;
+
+                addr = offset + ver_offset - start;
+                for (i = 0; i < 16; i += 4) {
+                        if (tg3_nvram_read(tp, addr + i, &val))
+                                return;
+
+                        val = cpu_to_le32(val);
+                        memcpy(tp->fw_ver + i, &val, 4);
+                }
+        }
+}
+
 #ifdef CONFIG_SPARC64
 static int __devinit tg3_is_sun_570X(struct tg3 *tp)
 {
@@ -10301,6 +10356,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         }
 
         tg3_read_partno(tp);
+        tg3_read_fw_ver(tp);
 
         if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {
                 tp->tg3_flags &= ~TG3_FLAG_USE_MI_INTERRUPT;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6b05d5786cd7..baa34c4721db 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2271,6 +2271,7 @@ struct tg3 {
         u32                             led_ctrl;
 
         char                            board_part_number[24];
+        char                            fw_ver[16];
         u32                             nic_sram_data_cfg;
         u32                             pci_clock_ctrl;
         struct pci_dev                  *pdev_peer;