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: Enable DMA on 5709.

PATCH Applied Michael Chan 2 participants 2 messages Jun 4, 2007 – Jun 5, 2007

Subsystems (2)
Networking Network drivers
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Michael Chan

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#0 lore raw

PATCH 3/5 : Enable DMA on 5709.

[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 <[email protected]>
drivers/net/bnx2.c +5 -0
index daa62d9..c03282c 100644
@@ -3810,6 +3810,11 @@ 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);
drivers/net/bnx2.h +1 -0
index bd6288d..49a5de2 100644
@@ -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)
maintainer Applied
#1 lore raw

From: "Michael Chan" <[email protected]>
Date: Mon, 04 Jun 2007 17:00:48 -0700

Quoted 6 lines

[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 <[email protected]>

Applied, thanks.