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Date: Sun, 29 Mar 2015 10:04:59 +0300
From: Yuval Mintz <Yuval.Mintz@...gic.com>
To: <davem@...emloft.net>, <netdev@...r.kernel.org>
CC: <Ariel.Elior@...gic.com>, Yaniv Rosner <Yaniv.Rosner@...gic.com>,
Yuval Mintz <Yuval.Mintz@...gic.com>
Subject: [PATCH net-next 1/3] bnx2x: Configure IFir et al. according to nvram
From: Yaniv Rosner <Yaniv.Rosner@...gic.com>
Enable controlling Post2, coeff, IPreDriver and IFir according to NVRAM setup.
Signed-off-by: Yaniv Rosner <Yaniv.Rosner@...gic.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...gic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@...gic.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h | 11 +++++
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 57 +++++++++++++++++-------
drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h | 2 +
3 files changed, 55 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
index 583591d..06df560 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
@@ -521,6 +521,17 @@ struct port_hw_cfg { /* port 0: 0x12c port 1: 0x2bc */
*/
#define PORT_HW_CFG_TX_DRV_BROADCAST_MASK 0x000F0000
#define PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT 16
+ /* Set non-default values for TXFIR in SFP mode. */
+ #define PORT_HW_CFG_TX_DRV_IFIR_MASK 0x00F00000
+ #define PORT_HW_CFG_TX_DRV_IFIR_SHIFT 20
+
+ /* Set non-default values for IPREDRIVER in SFP mode. */
+ #define PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK 0x0F000000
+ #define PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT 24
+
+ /* Set non-default values for POST2 in SFP mode. */
+ #define PORT_HW_CFG_TX_DRV_POST2_MASK 0xF0000000
+ #define PORT_HW_CFG_TX_DRV_POST2_SHIFT 28
u32 reserved0[5]; /* 0x17c */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index b7c77b2..a5b1743 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -195,6 +195,10 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
#define MAX_PACKET_SIZE (9700)
#define MAX_KR_LINK_RETRY 4
+#define DEFAULT_TX_DRV_BRDCT 2
+#define DEFAULT_TX_DRV_IFIR 0
+#define DEFAULT_TX_DRV_POST2 3
+#define DEFAULT_TX_DRV_IPRE_DRIVER 6
/**********************************************************/
/* INTERFACE */
@@ -3595,10 +3599,11 @@ static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
* init configuration, and set/clear SGMII flag. Internal
* phy init is done purely in phy_init stage.
*/
-#define WC_TX_DRIVER(post2, idriver, ipre) \
+#define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
(idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
- (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
+ (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
+ (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
#define WC_TX_FIR(post, main, pre) \
((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
@@ -3765,12 +3770,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
lane = bnx2x_get_warpcore_lane(phy, params);
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
- WC_TX_DRIVER(0x02, 0x06, 0x09));
+ WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
/* Configure the next lane if dual mode */
if (phy->flags & FLAGS_WC_DUAL_MODE)
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
- WC_TX_DRIVER(0x02, 0x06, 0x09));
+ WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
0x03f0);
@@ -3933,6 +3938,7 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
struct bnx2x *bp = params->bp;
u16 misc1_val, tap_val, tx_driver_val, lane, val;
u32 cfg_tap_val, tx_drv_brdct, tx_equal;
+ u32 ifir_val, ipost2_val, ipre_driver_val;
/* Hold rxSeqStart */
bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
@@ -3978,7 +3984,7 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
if (is_xfi) {
misc1_val |= 0x5;
tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
- tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
+ tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
} else {
cfg_tap_val = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
@@ -3987,10 +3993,6 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
- tx_drv_brdct = (cfg_tap_val &
- PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
- PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
-
misc1_val |= 0x9;
/* TAP values are controlled by nvram, if value there isn't 0 */
@@ -3999,11 +4001,36 @@ static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
else
tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
- if (tx_drv_brdct)
- tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
- 0x06);
- else
- tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
+ ifir_val = DEFAULT_TX_DRV_IFIR;
+ ipost2_val = DEFAULT_TX_DRV_POST2;
+ ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
+ tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
+
+ /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
+ * configuration.
+ */
+ if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
+ PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
+ PORT_HW_CFG_TX_DRV_POST2_MASK)) {
+ ifir_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
+ PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
+ ipre_driver_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
+ >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
+ ipost2_val = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_POST2_MASK) >>
+ PORT_HW_CFG_TX_DRV_POST2_SHIFT;
+ }
+
+ if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
+ tx_drv_brdct = (cfg_tap_val &
+ PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
+ PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
+ }
+
+ tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
+ ipre_driver_val, ifir_val);
}
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
@@ -4144,7 +4171,7 @@ static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
MDIO_WC_REG_TX_FIR_TAP_ENABLE));
bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
- WC_TX_DRIVER(0x02, 0x02, 0x02));
+ WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
}
static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index 0770e4b..49d5110 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -7341,6 +7341,8 @@ Theotherbitsarereservedandshouldbezero*/
#define MDIO_WC_REG_TX2_ANA_CTRL0 0x8081
#define MDIO_WC_REG_TX3_ANA_CTRL0 0x8091
#define MDIO_WC_REG_TX0_TX_DRIVER 0x8067
+#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET 0x01
+#define MDIO_WC_REG_TX0_TX_DRIVER_IFIR_MASK 0x000e
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET 0x04
#define MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_MASK 0x00f0
#define MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET 0x08
--
1.9.3
--
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