diff options
| author | Eilon Greenstein <eilong@broadcom.com> | 2009-02-12 08:37:07 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-15 23:31:36 -0800 |
| commit | c1b7399027254a45a4036c548c13eb97c7d0d8fa (patch) | |
| tree | e4c6b5d2b9964174e003dcc51795ea519b8efb18 | |
| parent | 811a2f2d3be9a39bd4e0930501fda8630857748d (diff) | |
| download | linux-c1b7399027254a45a4036c548c13eb97c7d0d8fa.tar.bz2 | |
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>
| -rw-r--r-- | drivers/net/bnx2x_link.c | 35 | ||||
| -rw-r--r-- | drivers/net/bnx2x_reg.h | 4 |
2 files changed, 33 insertions, 6 deletions
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index f4c699ecfb41..2463de8fe862 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 b6c924934a00..d3086e924709 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 */ |