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bnx2x: parity recovery flow enhancement 

Parity recovery was enhanced in order to handle a few more corner cases.

Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Barak Witkowski 2012-12-02 04:05:46 +00:00 committed by David S. Miller
parent d6d99a3f7e
commit c55e771b7e
1 changed files with 20 additions and 13 deletions
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33
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
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@ -8720,7 +8720,8 @@ static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
/* Get shmem offset */
shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
validity_offset = offsetof(struct shmem_region, validity_map[0]);
validity_offset =
offsetof(struct shmem_region, validity_map[BP_PORT(bp)]);
/* Clear validity map flags */
if (shmem > 0)
@ -8813,7 +8814,11 @@ static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CPU |
MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_CMN_CORE;
/* Don't reset the following blocks */
/* Don't reset the following blocks.
* Important: per port blocks (such as EMAC, BMAC, UMAC) can't be
* reset, as in 4 port device they might still be owned
* by the MCP (there is only one leader per path).
*/
not_reset_mask1 =
MISC_REGISTERS_RESET_REG_1_RST_HC |
MISC_REGISTERS_RESET_REG_1_RST_PXPV |
@ -8829,19 +8834,19 @@ static void bnx2x_process_kill_chip_reset(struct bnx2x *bp, bool global)
MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B |
MISC_REGISTERS_RESET_REG_2_RST_ATC |
MISC_REGISTERS_RESET_REG_2_PGLC;
MISC_REGISTERS_RESET_REG_2_PGLC |
MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
MISC_REGISTERS_RESET_REG_2_UMAC0 |
MISC_REGISTERS_RESET_REG_2_UMAC1;
/*
* Keep the following blocks in reset:
* - all xxMACs are handled by the bnx2x_link code.
*/
stay_reset2 =
MISC_REGISTERS_RESET_REG_2_RST_BMAC0 |
MISC_REGISTERS_RESET_REG_2_RST_BMAC1 |
MISC_REGISTERS_RESET_REG_2_RST_EMAC0 |
MISC_REGISTERS_RESET_REG_2_RST_EMAC1 |
MISC_REGISTERS_RESET_REG_2_UMAC0 |
MISC_REGISTERS_RESET_REG_2_UMAC1 |
MISC_REGISTERS_RESET_REG_2_XMAC |
MISC_REGISTERS_RESET_REG_2_XMAC_SOFT;
@ -8931,6 +8936,7 @@ static int bnx2x_process_kill(struct bnx2x *bp, bool global)
int cnt = 1000;
u32 val = 0;
u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
u32 tags_63_32 = 0;
/* Empty the Tetris buffer, wait for 1s */
@ -8940,10 +8946,14 @@ static int bnx2x_process_kill(struct bnx2x *bp, bool global)
port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
if (CHIP_IS_E3(bp))
tags_63_32 = REG_RD(bp, PGLUE_B_REG_TAGS_63_32);
if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
((port_is_idle_0 & 0x1) == 0x1) &&
((port_is_idle_1 & 0x1) == 0x1) &&
(pgl_exp_rom2 == 0xffffffff))
(pgl_exp_rom2 == 0xffffffff) &&
(!CHIP_IS_E3(bp) || (tags_63_32 == 0xffffffff)))
break;
usleep_range(1000, 1000);
} while (cnt-- > 0);
@ -9000,9 +9010,6 @@ static int bnx2x_process_kill(struct bnx2x *bp, bool global)
/* TBD: Add resetting the NO_MCP mode DB here */
/* PXP */
bnx2x_pxp_prep(bp);
/* Open the gates #2, #3 and #4 */
bnx2x_set_234_gates(bp, false);