| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <1234463827.1863.151.camel@lb-tlvb-eliezer>
Date: Thu, 12 Feb 2009 20:37:07 +0200
From: "Eilon Greenstein" <eilong@...adcom.com>
To: "David Miller" <davem@...emloft.net>
cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH 19/41]bnx2x: Using the HW 5th lane
Subject: [PATCH 19/41]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@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/bnx2x_link.c | 35 +++++++++++++++++++++++++++++------
drivers/net/bnx2x_reg.h | 4 ++++
2 files changed, 33 insertions(+), 6 deletions(-)
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c
index f4c699e..2463de8 100644
--- a/drivers/net/bnx2x_link.c
+++ b/drivers/net/bnx2x_link.c
@@ -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);
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index b6c9249..d3086e9 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -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 */
--
1.5.4.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists