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bnx2x: Reset HW before use

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To avoid complications, make sure that the HW is in reset (as it should be)
before trying to take it out of reset. In normal flows, the HW is indeed in rest
so this should have no effect

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eilon Greenstein 2009-01-22 03:37:31 +00:00 committed by David S. Miller
parent 637f883739
commit 81f75bbf67
1 changed files with 9 additions and 8 deletions
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17
drivers/net/bnx2x_main.c
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@ -5148,12 +5148,21 @@ static void enable_blocks_attention(struct bnx2x *bp)
}
static void bnx2x_reset_common(struct bnx2x *bp)
{
/* reset_common */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
0xd3ffff7f);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}
static int bnx2x_init_common(struct bnx2x *bp)
{
u32 val, i;
DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
bnx2x_reset_common(bp);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
@ -6640,14 +6649,6 @@ static void bnx2x_reset_port(struct bnx2x *bp)
/* TODO: Close Doorbell port? */
}
static void bnx2x_reset_common(struct bnx2x *bp)
{
/* reset_common */
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
0xd3ffff7f);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}
static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
{
DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",