summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
diff options
context:
space:
mode:
authorYaniv Rosner <yanivr@broadcom.com>2011-11-28 04:49:47 +0400
committerDavid S. Miller <davem@davemloft.net>2011-11-29 04:02:23 +0400
commitb76070b4058c318dde17a495b2e2d83c456f5fa9 (patch)
treeca3c8aa58c861251c7c0feb72f85233b0c6ac372 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
parent870516e1733a36021ea3dd303c71adf3ce2c84d3 (diff)
downloadlinux-b76070b4058c318dde17a495b2e2d83c456f5fa9.tar.xz
bnx2x: Warpcore HW reset following fan failure
Put Warpcore in low power mode in case of fan failure to reduce heat. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index de03730ae560..7eabcee71c14 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -8216,7 +8216,15 @@ static void bnx2x_warpcore_power_module(struct link_params *params,
static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
struct link_params *params)
{
+ struct bnx2x *bp = params->bp;
bnx2x_warpcore_power_module(params, phy, 0);
+ /* Put Warpcore in low power mode */
+ REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
+
+ /* Put LCPLL in low power mode */
+ REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
+ REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
+ REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
}
static void bnx2x_power_sfp_module(struct link_params *params,