aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c66
1 files changed, 41 insertions, 25 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 213769054391..4064c3e3dd49 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -124,10 +124,10 @@
#include "xgbe.h"
#include "xgbe-common.h"
-#define XGBE_PHY_PORT_SPEED_100 BIT(0)
-#define XGBE_PHY_PORT_SPEED_1000 BIT(1)
-#define XGBE_PHY_PORT_SPEED_2500 BIT(2)
-#define XGBE_PHY_PORT_SPEED_10000 BIT(3)
+#define XGBE_PHY_PORT_SPEED_100 BIT(1)
+#define XGBE_PHY_PORT_SPEED_1000 BIT(2)
+#define XGBE_PHY_PORT_SPEED_2500 BIT(3)
+#define XGBE_PHY_PORT_SPEED_10000 BIT(4)
#define XGBE_MUTEX_RELEASE 0x80000000
@@ -239,6 +239,7 @@ enum xgbe_sfp_speed {
#define XGBE_SFP_BASE_BR_1GBE_MAX 0x0d
#define XGBE_SFP_BASE_BR_10GBE_MIN 0x64
#define XGBE_SFP_BASE_BR_10GBE_MAX 0x68
+#define XGBE_MOLEX_SFP_BASE_BR_10GBE_MAX 0x78
#define XGBE_SFP_BASE_CU_CABLE_LEN 18
@@ -284,6 +285,8 @@ struct xgbe_sfp_eeprom {
#define XGBE_BEL_FUSE_VENDOR "BEL-FUSE "
#define XGBE_BEL_FUSE_PARTNO "1GBT-SFP06 "
+#define XGBE_MOLEX_VENDOR "Molex Inc. "
+
struct xgbe_sfp_ascii {
union {
char vendor[XGBE_SFP_BASE_VENDOR_NAME_LEN + 1];
@@ -834,7 +837,11 @@ static bool xgbe_phy_sfp_bit_rate(struct xgbe_sfp_eeprom *sfp_eeprom,
break;
case XGBE_SFP_SPEED_10000:
min = XGBE_SFP_BASE_BR_10GBE_MIN;
- max = XGBE_SFP_BASE_BR_10GBE_MAX;
+ if (memcmp(&sfp_eeprom->base[XGBE_SFP_BASE_VENDOR_NAME],
+ XGBE_MOLEX_VENDOR, XGBE_SFP_BASE_VENDOR_NAME_LEN) == 0)
+ max = XGBE_MOLEX_SFP_BASE_BR_10GBE_MAX;
+ else
+ max = XGBE_SFP_BASE_BR_10GBE_MAX;
break;
default:
return false;
@@ -1151,7 +1158,10 @@ static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata)
}
/* Determine the type of SFP */
- if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_SR)
+ if (phy_data->sfp_cable == XGBE_SFP_CABLE_PASSIVE &&
+ xgbe_phy_sfp_bit_rate(sfp_eeprom, XGBE_SFP_SPEED_10000))
+ phy_data->sfp_base = XGBE_SFP_BASE_10000_CR;
+ else if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_SR)
phy_data->sfp_base = XGBE_SFP_BASE_10000_SR;
else if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_LR)
phy_data->sfp_base = XGBE_SFP_BASE_10000_LR;
@@ -1167,9 +1177,6 @@ static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata)
phy_data->sfp_base = XGBE_SFP_BASE_1000_CX;
else if (sfp_base[XGBE_SFP_BASE_1GBE_CC] & XGBE_SFP_BASE_1GBE_CC_T)
phy_data->sfp_base = XGBE_SFP_BASE_1000_T;
- else if ((phy_data->sfp_cable == XGBE_SFP_CABLE_PASSIVE) &&
- xgbe_phy_sfp_bit_rate(sfp_eeprom, XGBE_SFP_SPEED_10000))
- phy_data->sfp_base = XGBE_SFP_BASE_10000_CR;
switch (phy_data->sfp_base) {
case XGBE_SFP_BASE_1000_T:
@@ -1979,6 +1986,10 @@ static void xgbe_phy_rx_reset(struct xgbe_prv_data *pdata)
static void xgbe_phy_pll_ctrl(struct xgbe_prv_data *pdata, bool enable)
{
+ /* PLL_CTRL feature needs to be enabled for fixed PHY modes (Non-Autoneg) only */
+ if (pdata->phy.autoneg != AUTONEG_DISABLE)
+ return;
+
XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_MISC_CTRL0,
XGBE_PMA_PLL_CTRL_MASK,
enable ? XGBE_PMA_PLL_CTRL_ENABLE
@@ -1989,7 +2000,7 @@ static void xgbe_phy_pll_ctrl(struct xgbe_prv_data *pdata, bool enable)
}
static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata,
- unsigned int cmd, unsigned int sub_cmd)
+ enum xgbe_mb_cmd cmd, enum xgbe_mb_subcmd sub_cmd)
{
unsigned int s0 = 0;
unsigned int wait;
@@ -2029,14 +2040,16 @@ static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata,
xgbe_phy_rx_reset(pdata);
reenable_pll:
- /* Enable PLL re-initialization */
- xgbe_phy_pll_ctrl(pdata, true);
+ /* Enable PLL re-initialization, not needed for PHY Power Off and RRC cmds */
+ if (cmd != XGBE_MB_CMD_POWER_OFF &&
+ cmd != XGBE_MB_CMD_RRC)
+ xgbe_phy_pll_ctrl(pdata, true);
}
static void xgbe_phy_rrc(struct xgbe_prv_data *pdata)
{
/* Receiver Reset Cycle */
- xgbe_phy_perform_ratechange(pdata, 5, 0);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_RRC, XGBE_MB_SUBCMD_NONE);
netif_dbg(pdata, link, pdata->netdev, "receiver reset complete\n");
}
@@ -2046,7 +2059,7 @@ static void xgbe_phy_power_off(struct xgbe_prv_data *pdata)
struct xgbe_phy_data *phy_data = pdata->phy_data;
/* Power off */
- xgbe_phy_perform_ratechange(pdata, 0, 0);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_POWER_OFF, XGBE_MB_SUBCMD_NONE);
phy_data->cur_mode = XGBE_MODE_UNKNOWN;
@@ -2061,14 +2074,17 @@ static void xgbe_phy_sfi_mode(struct xgbe_prv_data *pdata)
/* 10G/SFI */
if (phy_data->sfp_cable != XGBE_SFP_CABLE_PASSIVE) {
- xgbe_phy_perform_ratechange(pdata, 3, 0);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_10G_SFI, XGBE_MB_SUBCMD_ACTIVE);
} else {
if (phy_data->sfp_cable_len <= 1)
- xgbe_phy_perform_ratechange(pdata, 3, 1);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_10G_SFI,
+ XGBE_MB_SUBCMD_PASSIVE_1M);
else if (phy_data->sfp_cable_len <= 3)
- xgbe_phy_perform_ratechange(pdata, 3, 2);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_10G_SFI,
+ XGBE_MB_SUBCMD_PASSIVE_3M);
else
- xgbe_phy_perform_ratechange(pdata, 3, 3);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_10G_SFI,
+ XGBE_MB_SUBCMD_PASSIVE_OTHER);
}
phy_data->cur_mode = XGBE_MODE_SFI;
@@ -2083,7 +2099,7 @@ static void xgbe_phy_x_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 1G/X */
- xgbe_phy_perform_ratechange(pdata, 1, 3);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_1G, XGBE_MB_SUBCMD_1G_KX);
phy_data->cur_mode = XGBE_MODE_X;
@@ -2097,7 +2113,7 @@ static void xgbe_phy_sgmii_1000_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 1G/SGMII */
- xgbe_phy_perform_ratechange(pdata, 1, 2);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_1G, XGBE_MB_SUBCMD_1G_SGMII);
phy_data->cur_mode = XGBE_MODE_SGMII_1000;
@@ -2111,7 +2127,7 @@ static void xgbe_phy_sgmii_100_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 100M/SGMII */
- xgbe_phy_perform_ratechange(pdata, 1, 1);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_1G, XGBE_MB_SUBCMD_100MBITS);
phy_data->cur_mode = XGBE_MODE_SGMII_100;
@@ -2125,7 +2141,7 @@ static void xgbe_phy_kr_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 10G/KR */
- xgbe_phy_perform_ratechange(pdata, 4, 0);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_10G_KR, XGBE_MB_SUBCMD_NONE);
phy_data->cur_mode = XGBE_MODE_KR;
@@ -2139,7 +2155,7 @@ static void xgbe_phy_kx_2500_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 2.5G/KX */
- xgbe_phy_perform_ratechange(pdata, 2, 0);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_2_5G, XGBE_MB_SUBCMD_NONE);
phy_data->cur_mode = XGBE_MODE_KX_2500;
@@ -2153,7 +2169,7 @@ static void xgbe_phy_kx_1000_mode(struct xgbe_prv_data *pdata)
xgbe_phy_set_redrv_mode(pdata);
/* 1G/KX */
- xgbe_phy_perform_ratechange(pdata, 1, 3);
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_1G, XGBE_MB_SUBCMD_1G_KX);
phy_data->cur_mode = XGBE_MODE_KX_1000;
@@ -2640,7 +2656,7 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart)
}
/* No link, attempt a receiver reset cycle */
- if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) {
+ if (pdata->vdata->enable_rrc && phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) {
phy_data->rrc_count = 0;
xgbe_phy_rrc(pdata);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.