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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>
This commit is contained in:
Eilon Greenstein 2009-02-12 08:37:07 +00:00 committed by David S. Miller
parent 811a2f2d3b
commit c1b7399027
2 changed files with 33 additions and 6 deletions
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35
drivers/net/bnx2x_link.c
View File

@ -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);

4
drivers/net/bnx2x_reg.h
View File

@ -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 */