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tg3: Assign correct tx margin for 5719 

Commit d309a46e42, entitled
"tg3: 5719: Prevent tx data corruption", was supposed to contain the tx
margin adjustment but it looks like it somehow was omitted.  This patch
fixes the problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2010-11-24 08:31:46 +00:00 committed by David S. Miller
parent 5093eedc8b
commit b75cc0e4c1
2 changed files with 6 additions and 0 deletions
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4
drivers/net/tg3.c
View File

@ -8206,6 +8206,10 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy)
GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57780 ||
(tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) {
val = tr32(TG3_RDMA_RSRVCTRL_REG);
if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) {
val &= ~TG3_RDMA_RSRVCTRL_TXMRGN_MASK;
val |= TG3_RDMA_RSRVCTRL_TXMRGN_320B;
}
tw32(TG3_RDMA_RSRVCTRL_REG,
val | TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX);
}

2
drivers/net/tg3.h
View File

@ -1327,6 +1327,8 @@
#define TG3_RDMA_RSRVCTRL_REG 0x00004900
#define TG3_RDMA_RSRVCTRL_FIFO_OFLW_FIX 0x00000004
#define TG3_RDMA_RSRVCTRL_TXMRGN_320B 0x28000000
#define TG3_RDMA_RSRVCTRL_TXMRGN_MASK 0xffe00000
/* 0x4904 --> 0x4910 unused */
#define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910