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[BNX2]: Enable DMA on 5709. 

Add missing code to enable DMA on 5709 A1.  The bit is a no-op on A0
and therefore can be set on all 5709 chips.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2007-06-04 21:23:06 -07:00 committed by David S. Miller
parent 641bdcd56c
commit 0aa38df7cd
2 changed files with 6 additions and 0 deletions
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5
drivers/net/bnx2.c
View File

@ -3815,6 +3815,11 @@ bnx2_init_chip(struct bnx2 *bp)
/* Initialize the receive filter. */
bnx2_set_rx_mode(bp->dev);
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
val = REG_RD(bp, BNX2_MISC_NEW_CORE_CTL);
val |= BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE;
REG_WR(bp, BNX2_MISC_NEW_CORE_CTL, val);
}
rc = bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT2 | BNX2_DRV_MSG_CODE_RESET,
0);

1
drivers/net/bnx2.h
View File

@ -1373,6 +1373,7 @@ struct l2_fhdr {
#define BNX2_MISC_NEW_CORE_CTL 0x000008c8
#define BNX2_MISC_NEW_CORE_CTL_LINK_HOLDOFF_SUCCESS (1L<<0)
#define BNX2_MISC_NEW_CORE_CTL_LINK_HOLDOFF_REQ (1L<<1)
#define BNX2_MISC_NEW_CORE_CTL_DMA_ENABLE (1L<<16)
#define BNX2_MISC_NEW_CORE_CTL_RESERVED_CMN (0x3fffL<<2)
#define BNX2_MISC_NEW_CORE_CTL_RESERVED_TC (0xffffL<<16)