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Date: Wed, 1 Sep 2010 22:51:25 +0300
From: "Yaniv Rosner" <yaniv.rosner@...adcom.com>
To: davem@...emloft.net
cc: netdev@...r.kernel.org, eilong@...adcom.com
Subject: [PATCH net-next 4/8] bnx2x: Change BCM848xx configuration
according to IEEE
Change BCM848xx behavior to fit IEEE such that setting 10Mb/100Mb will
use force speed, and setting 1Gb/10Gb will use auto-negotiation with the
specific speed advertised
Signed-off-by: Yaniv Rosner <yanivr@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/bnx2x/bnx2x_link.c | 288 +++++++++++++++++-----------------------
drivers/net/bnx2x/bnx2x_reg.h | 3 +-
2 files changed, 127 insertions(+), 164 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index cbacf8a..7a8df7a 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -4354,197 +4354,159 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
}
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
+ {
/* This phy uses the NIG latch mechanism since link
indication arrives through its LED4 and not via
its LASI signal, so we get steady signal
instead of clear on read */
+ u16 autoneg_val, an_1000_val, an_10_100_val;
bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
- 1 << NIG_LATCH_BC_ENABLE_MI_INT);
+ 1 << NIG_LATCH_BC_ENABLE_MI_INT);
bnx2x_cl45_write(bp, params->port,
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL, 0x0000);
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_PMA_DEVAD,
+ MDIO_PMA_REG_CTRL, 0x0000);
bnx2x_8481_set_led4(params, ext_phy_type, ext_phy_addr);
- if (params->req_line_speed == SPEED_AUTO_NEG) {
- u16 autoneg_val, an_1000_val, an_10_100_val;
- /* set 1000 speed advertisement */
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_1000T_CTRL,
- &an_1000_val);
-
- if (params->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) {
- an_1000_val |= (1<<8);
- if (params->req_duplex == DUPLEX_FULL)
- an_1000_val |= (1<<9);
- DP(NETIF_MSG_LINK, "Advertising 1G\n");
- } else
- an_1000_val &= ~((1<<8) | (1<<9));
-
- bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_1000T_CTRL,
- an_1000_val);
-
- /* set 100 speed advertisement */
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_AN_ADV,
- &an_10_100_val);
-
- if (params->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) {
- an_10_100_val |= (1<<7);
- if (params->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<8);
- DP(NETIF_MSG_LINK,
- "Advertising 100M\n");
- } else
- an_10_100_val &= ~((1<<7) | (1<<8));
-
- /* set 10 speed advertisement */
- if (params->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) {
- an_10_100_val |= (1<<5);
- if (params->req_duplex == DUPLEX_FULL)
- an_10_100_val |= (1<<6);
- DP(NETIF_MSG_LINK, "Advertising 10M\n");
- }
- else
- an_10_100_val &= ~((1<<5) | (1<<6));
-
- bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_AN_ADV,
- an_10_100_val);
-
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_CTRL,
- &autoneg_val);
-
- /* Disable forced speed */
- autoneg_val &= ~(1<<6|1<<13);
+ bnx2x_cl45_read(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_1000T_CTRL,
+ &an_1000_val);
+ bnx2x_ext_phy_set_pause(params, vars);
+ bnx2x_cl45_read(bp, params->port, ext_phy_type,
+ ext_phy_addr, MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_AN_ADV,
+ &an_10_100_val);
+ bnx2x_cl45_read(bp, params->port, ext_phy_type,
+ ext_phy_addr, MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_MII_CTRL,
+ &autoneg_val);
+ /* Disable forced speed */
+ autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) |
+ (1<<13));
+ an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
+
+ if (((params->req_line_speed == SPEED_AUTO_NEG) &&
+ (params->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
+ (params->req_line_speed == SPEED_1000)) {
+ an_1000_val |= (1<<8);
+ autoneg_val |= (1<<9 | 1<<12);
+ if (params->req_duplex == DUPLEX_FULL)
+ an_1000_val |= (1<<9);
+ DP(NETIF_MSG_LINK, "Advertising 1G\n");
+ } else
+ an_1000_val &= ~((1<<8) | (1<<9));
- /* Enable autoneg and restart autoneg
- for legacy speeds */
- autoneg_val |= (1<<9|1<<12);
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_1000T_CTRL,
+ an_1000_val);
+
+ /* set 10 speed advertisement */
+ if (((params->req_line_speed == SPEED_AUTO_NEG) &&
+ (params->speed_cap_mask &
+ (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
+ an_10_100_val |= (1<<7);
+ /*
+ * Enable autoneg and restart autoneg for
+ * legacy speeds
+ */
+ autoneg_val |= (1<<9 | 1<<12);
if (params->req_duplex == DUPLEX_FULL)
- autoneg_val |= (1<<8);
- else
- autoneg_val &= ~(1<<8);
+ an_10_100_val |= (1<<8);
+ DP(NETIF_MSG_LINK, "Advertising 100M\n");
+ }
+ /* set 10 speed advertisement */
+ if (((params->req_line_speed == SPEED_AUTO_NEG) &&
+ (params->speed_cap_mask &
+ (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
+ an_10_100_val |= (1<<5);
+ autoneg_val |= (1<<9 | 1<<12);
+ if (params->req_duplex == DUPLEX_FULL)
+ an_10_100_val |= (1<<6);
+ DP(NETIF_MSG_LINK, "Advertising 10M\n");
+ }
+ /* Only 10/100 are allowed to work in FORCE mode */
+ if (params->req_line_speed == SPEED_100) {
+ autoneg_val |= (1<<13);
+ /* Enabled AUTO-MDIX when autoneg is disabled */
bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_CTRL,
- autoneg_val);
-
- if (params->speed_cap_mask &
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
- DP(NETIF_MSG_LINK, "Advertising 10G\n");
- /* Restart autoneg for 10G*/
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_AUX_CTRL,
+ (1<<15 | 1<<9 | 7<<0));
+ DP(NETIF_MSG_LINK, "Setting 100M force\n");
+ }
+ if (params->req_line_speed == SPEED_10) {
+ /* Enabled AUTO-MDIX when autoneg is disabled */
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_AUX_CTRL,
+ (1<<15 | 1<<9 | 7<<0));
+ DP(NETIF_MSG_LINK, "Setting 10M force\n");
+ }
bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_CTRL, 0x3200);
- }
- } else {
- /* Force speed */
- u16 autoneg_ctrl, pma_ctrl;
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_CTRL,
- &autoneg_ctrl);
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_AN_ADV,
+ an_10_100_val);
- /* Disable autoneg */
- autoneg_ctrl &= ~(1<<12);
+ if (params->req_duplex == DUPLEX_FULL)
+ autoneg_val |= (1<<8);
- /* Set 1000 force */
- switch (params->req_line_speed) {
- case SPEED_10000:
- DP(NETIF_MSG_LINK,
- "Unable to set 10G force !\n");
- break;
- case SPEED_1000:
- bnx2x_cl45_read(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL,
- &pma_ctrl);
- autoneg_ctrl &= ~(1<<13);
- autoneg_ctrl |= (1<<6);
- pma_ctrl &= ~(1<<13);
- pma_ctrl |= (1<<6);
- DP(NETIF_MSG_LINK,
- "Setting 1000M force\n");
- bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_PMA_DEVAD,
- MDIO_PMA_REG_CTRL,
- pma_ctrl);
- break;
- case SPEED_100:
- autoneg_ctrl |= (1<<13);
- autoneg_ctrl &= ~(1<<6);
- DP(NETIF_MSG_LINK,
- "Setting 100M force\n");
- break;
- case SPEED_10:
- autoneg_ctrl &= ~(1<<13);
- autoneg_ctrl &= ~(1<<6);
- DP(NETIF_MSG_LINK,
- "Setting 10M force\n");
- break;
- }
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_LEGACY_MII_CTRL,
+ autoneg_val);
- /* Duplex mode */
- if (params->req_duplex == DUPLEX_FULL) {
- autoneg_ctrl |= (1<<8);
- DP(NETIF_MSG_LINK,
- "Setting full duplex\n");
- } else
- autoneg_ctrl &= ~(1<<8);
+ if (((params->req_line_speed == SPEED_AUTO_NEG) &&
+ (params->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
+ (params->req_line_speed == SPEED_10000)) {
+ DP(NETIF_MSG_LINK, "Advertising 10G\n");
+ /* Restart autoneg for 10G*/
- /* Update autoneg ctrl and pma ctrl */
bnx2x_cl45_write(bp, params->port,
- ext_phy_type,
- ext_phy_addr,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8481_LEGACY_MII_CTRL,
- autoneg_ctrl);
- }
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_CTRL,
+ 0x3200);
+
+ } else if (params->req_line_speed != SPEED_10 &&
+ params->req_line_speed != SPEED_100)
+ bnx2x_cl45_write(bp, params->port,
+ ext_phy_type,
+ ext_phy_addr,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
+ 1);
/* Save spirom version */
bnx2x_save_8481_spirom_version(bp, params->port,
ext_phy_addr,
params->shmem_base);
break;
+ }
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
DP(NETIF_MSG_LINK,
"XGXS PHY Failure detected 0x%x\n",
diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h
index c82e261..3989617 100644
--- a/drivers/net/bnx2x/bnx2x_reg.h
+++ b/drivers/net/bnx2x/bnx2x_reg.h
@@ -5212,12 +5212,13 @@ Theotherbitsarereservedandshouldbezero*/
#define MDIO_AN_REG_8073_2_5G 0x8329
#define MDIO_AN_REG_8727_MISC_CTRL 0x8309
-
+#define MDIO_AN_REG_8481_10GBASE_T_AN_CTRL 0x0020
#define MDIO_AN_REG_8481_LEGACY_MII_CTRL 0xffe0
#define MDIO_AN_REG_8481_LEGACY_AN_ADV 0xffe4
#define MDIO_AN_REG_8481_1000T_CTRL 0xffe9
#define MDIO_AN_REG_8481_EXPANSION_REG_RD_RW 0xfff5
#define MDIO_AN_REG_8481_EXPANSION_REG_ACCESS 0xfff7
+#define MDIO_AN_REG_8481_AUX_CTRL 0xfff8
#define MDIO_AN_REG_8481_LEGACY_SHADOW 0xfffc
#define IGU_FUNC_BASE 0x0400
--
1.7.1
--
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