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-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 03f3935fd8c2..b75c8eab095c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1783,6 +1783,29 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
rc = -EBUSY; /* other port in diagnostic mode */
LOAD_ERROR_EXIT(bp, load_error1);
}
+ if (load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP &&
+ load_code != FW_MSG_CODE_DRV_LOAD_COMMON) {
+ /* build FW version dword */
+ u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) +
+ (BCM_5710_FW_MINOR_VERSION << 8) +
+ (BCM_5710_FW_REVISION_VERSION << 16) +
+ (BCM_5710_FW_ENGINEERING_VERSION << 24);
+
+ /* read loaded FW from chip */
+ u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM);
+
+ DP(BNX2X_MSG_SP, "loaded fw %x, my fw %x",
+ loaded_fw, my_fw);
+
+ /* abort nic load if version mismatch */
+ if (my_fw != loaded_fw) {
+ BNX2X_ERR("bnx2x with FW %x already loaded, "
+ "which mismatches my %x FW. aborting",
+ loaded_fw, my_fw);
+ rc = -EBUSY;
+ LOAD_ERROR_EXIT(bp, load_error2);
+ }
+ }
} else {
int path = BP_PATH(bp);