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bnx2x: Fix BCM8073/BCM8727 microcode loading 

Improve microcode loading verification before proceeding to next stage

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2011-01-18 04:33:36 +00:00 committed by David S. Miller
parent 1f48353a3c
commit 5c99274b01
1 changed files with 43 additions and 30 deletions
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73
drivers/net/bnx2x/bnx2x_link.c
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@ -3870,11 +3870,14 @@ static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
pause_result);
}
}
static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
static u8 bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
struct bnx2x_phy *phy,
u8 port)
{
u32 count = 0;
u16 fw_ver1, fw_msgout;
u8 rc = 0;
/* Boot port from external ROM */
/* EDC grst */
bnx2x_cl45_write(bp, phy,
@ -3904,14 +3907,45 @@ static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
MDIO_PMA_REG_GEN_CTRL,
MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
/* wait for 120ms for code download via SPI port */
msleep(120);
/* Delay 100ms per the PHY specifications */
msleep(100);
/* 8073 sometimes taking longer to download */
do {
count++;
if (count > 300) {
DP(NETIF_MSG_LINK,
"bnx2x_8073_8727_external_rom_boot port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
rc = -EINVAL;
break;
}
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
bnx2x_cl45_read(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
msleep(1);
} while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
((fw_msgout & 0xff) != 0x03 && (phy->type ==
PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
/* Clear ser_boot_ctl bit */
bnx2x_cl45_write(bp, phy,
MDIO_PMA_DEVAD,
MDIO_PMA_REG_MISC_CTRL1, 0x0000);
bnx2x_save_bcm_spirom_ver(bp, phy, port);
DP(NETIF_MSG_LINK,
"bnx2x_8073_8727_external_rom_boot port %x:"
"Download complete. fw version = 0x%x\n",
port, fw_ver1);
return rc;
}
static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp,
@ -7721,7 +7755,6 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
u16 fw_ver1;
if (CHIP_IS_E2(bp))
port_of_path = 0;
else
@ -7729,19 +7762,9 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path);
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
DP(NETIF_MSG_LINK,
"bnx2x_8073_common_init_phy port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path))
return -EINVAL;
}
/* Only set bit 10 = 1 (Tx power down) */
bnx2x_cl45_read(bp, phy_blk[port],
@ -7906,27 +7929,17 @@ static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
}
/* PART2 - Download firmware to both phys */
for (port = PORT_MAX - 1; port >= PORT_0; port--) {
u16 fw_ver1;
if (CHIP_IS_E2(bp))
port_of_path = 0;
else
port_of_path = port;
DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
phy_blk[port]->addr);
bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path);
bnx2x_cl45_read(bp, phy_blk[port],
MDIO_PMA_DEVAD,
MDIO_PMA_REG_ROM_VER1, &fw_ver1);
if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
DP(NETIF_MSG_LINK,
"bnx2x_8727_common_init_phy port %x:"
"Download failed. fw version = 0x%x\n",
port, fw_ver1);
if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
port_of_path))
return -EINVAL;
}
}
}
return 0;
}