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authorEilon Greenstein <eilong@broadcom.com>2009-02-12 08:37:07 +0000
committerDavid S. Miller <davem@davemloft.net>2009-02-15 23:31:36 -0800
commitc1b7399027254a45a4036c548c13eb97c7d0d8fa (patch)
treee4c6b5d2b9964174e003dcc51795ea519b8efb18 /drivers
parent811a2f2d3be9a39bd4e0930501fda8630857748d (diff)
bnx2x: Using the HW 5th lane
This 1G interface (on top of the 4 lanes 10G interface) requires additional setting to work in CL45 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')
-rw-r--r--drivers/net/bnx2x_link.c35
-rw-r--r--drivers/net/bnx2x_reg.h4
2 files changed, 33 insertions, 6 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index f4c699ecfb4..2463de8fe86 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -174,13 +174,34 @@
(_bank + (_addr & 0xf)), \
_val)
-static void bnx2x_set_phy_mdio(struct link_params *params)
+static void bnx2x_set_serdes_access(struct link_params *params)
{
struct bnx2x *bp = params->bp;
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
- params->port*0x18, 0);
- REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
- DEFAULT_PHY_DEV_ADDR);
+ u32 emac_base = (params->port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ /* Set Clause 22 */
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 1);
+ REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
+ udelay(500);
+ REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
+ udelay(500);
+ /* Set Clause 45 */
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 0);
+}
+static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags)
+{
+ struct bnx2x *bp = params->bp;
+ if (phy_flags & PHY_XGXS_FLAG) {
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
+ params->port*0x18, 0);
+ REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
+ DEFAULT_PHY_DEV_ADDR);
+ } else {
+ bnx2x_set_serdes_access(params);
+
+ REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
+ params->port*0x10,
+ DEFAULT_PHY_DEV_ADDR);
+ }
}
static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
@@ -520,7 +541,7 @@ static void bnx2x_phy_deassert(struct link_params *params, u8 phy_flags)
udelay(500);
REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET,
val);
- bnx2x_set_phy_mdio(params);
+ bnx2x_set_phy_mdio(params, phy_flags);
}
void bnx2x_link_status_update(struct link_params *params,
@@ -996,6 +1017,8 @@ static u8 bnx2x_reset_unicore(struct link_params *params)
(mii_control |
MDIO_COMBO_IEEO_MII_CONTROL_RESET));
+ bnx2x_set_serdes_access(params);
+
/* wait for the reset to self clear */
for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
udelay(5);
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index b6c924934a0..d3086e92470 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -1815,6 +1815,10 @@
#define NIG_REG_PRS_EOP_OUT_EN 0x10104
/* [RW 1] Input enable for RX parser request IF */
#define NIG_REG_PRS_REQ_IN_EN 0x100b8
+/* [RW 5] control to serdes - CL45 DEVAD */
+#define NIG_REG_SERDES0_CTRL_MD_DEVAD 0x10370
+/* [RW 1] control to serdes; 0 - clause 45; 1 - clause 22 */
+#define NIG_REG_SERDES0_CTRL_MD_ST 0x1036c
/* [RW 5] control to serdes - CL22 PHY_ADD and CL45 PRTAD */
#define NIG_REG_SERDES0_CTRL_PHY_ADDR 0x10374
/* [R 1] status from serdes0 that inputs to interrupt logic of link status */