From 0aa38df7cd5b6c5b89f5146f4a2286434bc4a8f3 Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Mon, 4 Jun 2007 21:23:06 -0700
Subject: [PATCH] [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>
---
drivers/net/bnx2.c | 5 +++++
drivers/net/bnx2.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 9eba7a2635ad..3b7ca2a455b4 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -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);
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index bd6288d6350f..49a5de253b17 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -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)
--
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