diff options
| author | Vladislav Zolotarov | 2010-10-19 07:13:09 +0200 |
|---|---|---|
| committer | David S. Miller | 2010-10-19 17:37:37 +0200 |
| commit | f4a66897e77277335ae98ffeb1f4ebb9cf24ed6d (patch) | |
| tree | ff66c35e00394931b55716d945a8321c2bfcdbbe /drivers/net/bnx2x/bnx2x_main.c | |
| parent | bnx2x: fix possible deadlock in HC hw block (diff) | |
| download | kernel-qcow2-linux-f4a66897e77277335ae98ffeb1f4ebb9cf24ed6d.tar.gz kernel-qcow2-linux-f4a66897e77277335ae98ffeb1f4ebb9cf24ed6d.tar.xz kernel-qcow2-linux-f4a66897e77277335ae98ffeb1f4ebb9cf24ed6d.zip | |
bnx2x: prevent false parity error in MSI-X memory of HC block
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_main.c')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_main.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index 3f49b551ff05..f22e283cabef 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -5457,7 +5457,8 @@ static int bnx2x_init_hw_func(struct bnx2x *bp) struct bnx2x_ilt *ilt = BP_ILT(bp); u16 cdu_ilt_start; u32 addr, val; - int i; + u32 main_mem_base, main_mem_size, main_mem_prty_clr; + int i, main_mem_width; DP(BNX2X_MSG_MCP, "starting func init func %d\n", func); @@ -5706,6 +5707,31 @@ static int bnx2x_init_hw_func(struct bnx2x *bp) bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func); bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func); + if (CHIP_IS_E1x(bp)) { + main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/ + main_mem_base = HC_REG_MAIN_MEMORY + + BP_PORT(bp) * (main_mem_size * 4); + main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR; + main_mem_width = 8; + + val = REG_RD(bp, main_mem_prty_clr); + if (val) + DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC " + "block during " + "function init (0x%x)!\n", val); + + /* Clear "false" parity errors in MSI-X table */ + for (i = main_mem_base; + i < main_mem_base + main_mem_size * 4; + i += main_mem_width) { + bnx2x_read_dmae(bp, i, main_mem_width / 4); + bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), + i, main_mem_width / 4); + } + /* Clear HC parity attention */ + REG_RD(bp, main_mem_prty_clr); + } + bnx2x_phy_probe(&bp->link_params); return 0; |