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bnx2x: half duplex support added for several boards 

From: Yaniv Rosner <yaniv.rosner@broadcom.com>

Several boards require an additional HW bit written in-order to enable
half duplex.

Signed-off-by: Yaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mintz Yuval 2012-02-15 02:10:23 +00:00 committed by David S. Miller
parent 1355b704b9
commit e18c56b2e9
2 changed files with 4 additions and 0 deletions
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3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
View File

@ -1612,6 +1612,9 @@ static void bnx2x_umac_enable(struct link_params *params,
if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
if (vars->duplex == DUPLEX_HALF)
val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
udelay(50);

1
drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
View File

@ -4812,6 +4812,7 @@
The fields are: [4:0] - tail pointer; 10:5] - Link List size; 15:11] -
header pointer. */
#define UCM_REG_XX_TABLE 0xe0300
#define UMAC_COMMAND_CONFIG_REG_HD_ENA (0x1<<10)
#define UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE (0x1<<28)
#define UMAC_COMMAND_CONFIG_REG_LOOP_ENA (0x1<<15)
#define UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK (0x1<<24)