tg3: Wait for boot code to finish after power on

[pandora-kernel.git] / drivers / net / ethernet / broadcom / tg3.c

diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 59a5909..1bc927a 100644 (file)
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -1620,6 +1620,9 @@ static int tg3_poll_fw(struct tg3 *tp)
        int i;
        u32 val;
 
+       if (tg3_flag(tp, NO_FWARE_REPORTED))
+               return 0;
+
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
                /* Wait up to 20ms for init done. */
                for (i = 0; i < 200; i++) {
@@ -9188,6 +9191,13 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
  */
 static int tg3_init_hw(struct tg3 *tp, int reset_phy)
 {
+       /* Chip may have been just powered on. If so, the boot code may still
+        * be running initialization. Wait for it to finish to avoid races in
+        * accessing the hardware.
+        */
+       tg3_enable_register_access(tp);
+       tg3_poll_fw(tp);
+
        tg3_switch_clocks(tp);
 
        tw32(TG3PCI_MEM_WIN_BASE_ADDR, 0);