From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yaniv Rosner" Subject: [PATCH net 04/10] bnx2x: Fix BCM578xx-B0 MDIO access Date: Wed, 3 Aug 2011 11:59:32 +0300 Message-ID: <1312361972.21665.94.camel@lb-tlvb-dmitry.il.broadcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: eilong@broadcom.com, netdev@vger.kernel.org To: davem@davemloft.net Return-path: Received: from mms3.broadcom.com ([216.31.210.19]:2501 "EHLO MMS3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753201Ab1HCI7t (ORCPT ); Wed, 3 Aug 2011 04:59:49 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Fix MDIO access to Warpcore on new chip version of 578xx. Signed-off-by: Yaniv Rosner Signed-off-by: Eilon Greenstein --- drivers/net/bnx2x/bnx2x_link.c | 16 ++++++++++++++-- drivers/net/bnx2x/bnx2x_link.h | 1 + drivers/net/bnx2x/bnx2x_reg.h | 4 +++- 3 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index 8e68e15..45255bd 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -2953,7 +2953,9 @@ static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, u32 val; u16 i; int rc = 0; - + if (phy->flags & FLAGS_MDC_MDIO_WA_B0) + bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, + EMAC_MDIO_STATUS_10MB); /* address */ val = ((phy->addr << 21) | (devad << 16) | reg | EMAC_MDIO_COMM_COMMAND_ADDRESS | @@ -3007,6 +3009,9 @@ static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy, } } + if (phy->flags & FLAGS_MDC_MDIO_WA_B0) + bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, + EMAC_MDIO_STATUS_10MB); return rc; } @@ -3016,6 +3021,9 @@ static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, u32 tmp; u8 i; int rc = 0; + if (phy->flags & FLAGS_MDC_MDIO_WA_B0) + bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, + EMAC_MDIO_STATUS_10MB); /* address */ @@ -3069,7 +3077,9 @@ static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy, bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val); } } - + if (phy->flags & FLAGS_MDC_MDIO_WA_B0) + bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS, + EMAC_MDIO_STATUS_10MB); return rc; } @@ -11118,6 +11128,8 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, */ if (CHIP_REV(bp) == CHIP_REV_Ax) phy->flags |= FLAGS_MDC_MDIO_WA; + else + phy->flags |= FLAGS_MDC_MDIO_WA_B0; } else { switch (switch_cfg) { case SWITCH_CFG_1G: diff --git a/drivers/net/bnx2x/bnx2x_link.h b/drivers/net/bnx2x/bnx2x_link.h index 7ee6b51..c12db6d 100644 --- a/drivers/net/bnx2x/bnx2x_link.h +++ b/drivers/net/bnx2x/bnx2x_link.h @@ -145,6 +145,7 @@ struct bnx2x_phy { #define FLAGS_SFP_NOT_APPROVED (1<<7) #define FLAGS_MDC_MDIO_WA (1<<8) #define FLAGS_DUMMY_READ (1<<9) +#define FLAGS_MDC_MDIO_WA_B0 (1<<10) #define FLAGS_TX_ERROR_CHECK (1<<12) /* preemphasis values for the rx side */ diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index d84642a..27b5ecb 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -5624,8 +5624,9 @@ #define EMAC_MDIO_COMM_START_BUSY (1L<<29) #define EMAC_MDIO_MODE_AUTO_POLL (1L<<4) #define EMAC_MDIO_MODE_CLAUSE_45 (1L<<31) -#define EMAC_MDIO_MODE_CLOCK_CNT (0x3fL<<16) +#define EMAC_MDIO_MODE_CLOCK_CNT (0x3ffL<<16) #define EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT 16 +#define EMAC_MDIO_STATUS_10MB (1L<<1) #define EMAC_MODE_25G_MODE (1L<<5) #define EMAC_MODE_HALF_DUPLEX (1L<<1) #define EMAC_MODE_PORT_GMII (2L<<2) @@ -5636,6 +5637,7 @@ #define EMAC_REG_EMAC_MAC_MATCH 0x10 #define EMAC_REG_EMAC_MDIO_COMM 0xac #define EMAC_REG_EMAC_MDIO_MODE 0xb4 +#define EMAC_REG_EMAC_MDIO_STATUS 0xb0 #define EMAC_REG_EMAC_MODE 0x0 #define EMAC_REG_EMAC_RX_MODE 0xc8 #define EMAC_REG_EMAC_RX_MTU_SIZE 0x9c -- 1.7.1