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Commit e18c56b2 authored by Mintz Yuval's avatar Mintz Yuval Committed by David S. Miller
Browse files

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: default avatarYaniv Rosner <yaniv.rosner@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1355b704

drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h

+1 −0
Original line number Diff line number Diff line
@@ -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)