From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yuval Mintz" Subject: [net-next 02/11] bnx2x: half duplex support added for several boards Date: Wed, 15 Feb 2012 07:10:23 -0500 Message-ID: <1329307832-32454-3-git-send-email-yuvalmin@broadcom.com> References: <1329307832-32454-1-git-send-email-yuvalmin@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: eilong@broadcom.com, "Mintz Yuval" , "Yaniv Rosner" To: davem@davemloft.net, netdev@vger.kernel.org Return-path: Received: from mms1.broadcom.com ([216.31.210.17]:3823 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752544Ab2BOFQQ (ORCPT ); Wed, 15 Feb 2012 00:16:16 -0500 In-Reply-To: <1329307832-32454-1-git-send-email-yuvalmin@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Mintz Yuval From: Yaniv Rosner Several boards require an additional HW bit written in-order to enable half duplex. Signed-off-by: Yaniv Rosner Signed-off-by: Eilon Greenstein --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 3 +++ drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h | 1 + 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 2102ad5..e7b0baf 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -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); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index c95d9dc..2feaca5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -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) -- 1.7.9.rc2