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bnx2x: FW (bootcode) interface fixes

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FW (bootcode) interface fixes
- Making sure that the device will not cause kernel panic of the
  bootcode is corrupted or missing
- Removing module debug parameter "nomcp" since no one should work
  without the bootcode (this is a left over from the chip bring up days)
- Instead of waiting fix amount of time for bootcode response, sample it
  every 10ms (usually the answer is ready after less than 10ms)

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2008-08-13 15:47:33 -07:00 committed by David S. Miller
parent d4766692e7
commit 19680c4850
1 changed files with 42 additions and 32 deletions
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38
drivers/net/bnx2x_main.c
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@ -76,23 +76,21 @@ MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
static int disable_tpa;
static int use_inta;
static int poll;
static int debug;
static int disable_tpa;
static int nomcp;
static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
static int use_multi;
module_param(disable_tpa, int, 0);
module_param(use_inta, int, 0);
module_param(poll, int, 0);
module_param(debug, int, 0);
module_param(disable_tpa, int, 0);
module_param(nomcp, int, 0);
MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
MODULE_PARM_DESC(poll, "use polling (for debug)");
MODULE_PARM_DESC(debug, "default debug msglevel");
MODULE_PARM_DESC(nomcp, "ignore management CPU");
#ifdef BNX2X_MULTI
module_param(use_multi, int, 0);
@ -1940,6 +1938,7 @@ static void bnx2x_link_report(struct bnx2x *bp)
static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
{
if (!BP_NOMCP(bp)) {
u8 rc;
/* Initialize link parameters structure variables */
@ -1955,22 +1954,31 @@ static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
bnx2x_calc_fc_adv(bp);
return rc;
}
BNX2X_ERR("Bootcode is missing -not initializing link\n");
return -EINVAL;
}
static void bnx2x_link_set(struct bnx2x *bp)
{
if (!BP_NOMCP(bp)) {
bnx2x_phy_hw_lock(bp);
bnx2x_phy_init(&bp->link_params, &bp->link_vars);
bnx2x_phy_hw_unlock(bp);
bnx2x_calc_fc_adv(bp);
} else
BNX2X_ERR("Bootcode is missing -not setting link\n");
}
static void bnx2x__link_reset(struct bnx2x *bp)
{
if (!BP_NOMCP(bp)) {
bnx2x_phy_hw_lock(bp);
bnx2x_link_reset(&bp->link_params, &bp->link_vars);
bnx2x_phy_hw_unlock(bp);
} else
BNX2X_ERR("Bootcode is missing -not resetting link\n");
}
static u8 bnx2x_link_test(struct bnx2x *bp)
@ -2374,7 +2382,7 @@ static int bnx2x_lock_alr(struct bnx2x *bp)
msleep(5);
}
if (!(val & (1L << 31))) {
BNX2X_ERR("Cannot acquire nvram interface\n");
BNX2X_ERR("Cannot acquire MCP access lock register\n");
rc = -EBUSY;
}
@ -5638,18 +5646,23 @@ static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
int func = BP_FUNC(bp);
u32 seq = ++bp->fw_seq;
u32 rc = 0;
u32 cnt = 1;
u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
do {
/* let the FW do it's magic ... */
msleep(100); /* TBD */
if (CHIP_REV_IS_SLOW(bp))
msleep(900);
msleep(delay);
rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", rc, seq);
/* Give the FW up to 2 second (200*10ms) */
} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
cnt*delay, rc, seq);
/* is this a reply to our command? */
if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
@ -7337,9 +7350,6 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
int func = BP_FUNC(bp);
int rc;
if (nomcp)
bp->flags |= NO_MCP_FLAG;
mutex_init(&bp->port.phy_mutex);
INIT_WORK(&bp->sp_task, bnx2x_sp_task);