Skip to content

Commit

Permalink
[BNX2]: Add 5709 reset and runtime code.
Browse files Browse the repository at this point in the history
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
  • Loading branch information
Michael Chan authored and David S. Miller committed Dec 3, 2006
1 parent 59b47d8 commit 234754d
Showing 1 changed file with 37 additions and 24 deletions.
61 changes: 37 additions & 24 deletions drivers/net/bnx2.c
Original file line number Diff line number Diff line change
Expand Up @@ -3247,31 +3247,44 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
* before we issue a reset. */
val = REG_RD(bp, BNX2_MISC_ID);

val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
REG_WR(bp, BNX2_MISC_COMMAND, BNX2_MISC_COMMAND_SW_RESET);
REG_RD(bp, BNX2_MISC_COMMAND);
udelay(5);

/* Chip reset. */
REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
val = BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;

if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
(CHIP_ID(bp) == CHIP_ID_5706_A1))
msleep(15);
pci_write_config_dword(bp->pdev, BNX2_PCICFG_MISC_CONFIG, val);

/* Reset takes approximate 30 usec */
for (i = 0; i < 10; i++) {
val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0) {
break;
} else {
val = BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
BNX2_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;

/* Chip reset. */
REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);

if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
(CHIP_ID(bp) == CHIP_ID_5706_A1)) {
current->state = TASK_UNINTERRUPTIBLE;
schedule_timeout(HZ / 50);
}
udelay(10);
}

if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
printk(KERN_ERR PFX "Chip reset did not complete\n");
return -EBUSY;
/* Reset takes approximate 30 usec */
for (i = 0; i < 10; i++) {
val = REG_RD(bp, BNX2_PCICFG_MISC_CONFIG);
if ((val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
break;
udelay(10);
}

if (val & (BNX2_PCICFG_MISC_CONFIG_CORE_RST_REQ |
BNX2_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
printk(KERN_ERR PFX "Chip reset did not complete\n");
return -EBUSY;
}
}

/* Make sure byte swapping is properly configured. */
Expand Down Expand Up @@ -3976,8 +3989,8 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
bp->tx_prod = NEXT_TX_BD(bp->tx_prod);
bp->tx_prod_bseq += pkt_size;

REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, bp->tx_prod);
REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
REG_WR16(bp, bp->tx_bidx_addr, bp->tx_prod);
REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);

udelay(100);

Expand Down Expand Up @@ -4529,8 +4542,8 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
prod = NEXT_TX_BD(prod);
bp->tx_prod_bseq += skb->len;

REG_WR16(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BIDX, prod);
REG_WR(bp, MB_TX_CID_ADDR + BNX2_L2CTX_TX_HOST_BSEQ, bp->tx_prod_bseq);
REG_WR16(bp, bp->tx_bidx_addr, prod);
REG_WR(bp, bp->tx_bseq_addr, bp->tx_prod_bseq);

mmiowb();

Expand Down

0 comments on commit 234754d

Please sign in to comment.