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-rw-r--r--drivers/net/phy/bcm-phy-lib.c52
-rw-r--r--drivers/net/phy/bcm-phy-lib.h20
-rw-r--r--drivers/net/phy/bcm7xxx.c75
3 files changed, 76 insertions, 71 deletions
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
index a75642051b8b..e0d3310957ff 100644
--- a/drivers/net/phy/bcm-phy-lib.c
+++ b/drivers/net/phy/bcm-phy-lib.c
@@ -371,6 +371,58 @@ void bcm_phy_get_stats(struct phy_device *phydev, u64 *shadow,
}
EXPORT_SYMBOL_GPL(bcm_phy_get_stats);
+void bcm_phy_r_rc_cal_reset(struct phy_device *phydev)
+{
+ /* Reset R_CAL/RC_CAL Engine */
+ bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0010);
+
+ /* Disable Reset R_AL/RC_CAL Engine */
+ bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0000);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_r_rc_cal_reset);
+
+int bcm_phy_28nm_a0b0_afe_config_init(struct phy_device *phydev)
+{
+ /* Increase VCO range to prevent unlocking problem of PLL at low
+ * temp
+ */
+ bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
+
+ /* Change Ki to 011 */
+ bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
+
+ /* Disable loading of TVCO buffer to bandgap, set bandgap trim
+ * to 111
+ */
+ bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
+
+ /* Adjust bias current trim by -3 */
+ bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b);
+
+ /* Switch to CORE_BASE1E */
+ phy_write(phydev, MII_BRCM_CORE_BASE1E, 0xd);
+
+ bcm_phy_r_rc_cal_reset(phydev);
+
+ /* write AFE_RXCONFIG_0 */
+ bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
+
+ /* write AFE_RXCONFIG_1 */
+ bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
+
+ /* write AFE_RX_LP_COUNTER */
+ bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
+
+ /* write AFE_HPF_TRIM_OTHERS */
+ bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
+
+ /* write AFTE_TX_CONFIG */
+ bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_28nm_a0b0_afe_config_init);
+
MODULE_DESCRIPTION("Broadcom PHY Library");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Broadcom Corporation");
diff --git a/drivers/net/phy/bcm-phy-lib.h b/drivers/net/phy/bcm-phy-lib.h
index 17faaefcfd60..5ecacb4e64f0 100644
--- a/drivers/net/phy/bcm-phy-lib.h
+++ b/drivers/net/phy/bcm-phy-lib.h
@@ -9,6 +9,24 @@
#include <linux/brcmphy.h>
#include <linux/phy.h>
+/* 28nm only register definitions */
+#define MISC_ADDR(base, channel) base, channel
+
+#define DSP_TAP10 MISC_ADDR(0x0a, 0)
+#define PLL_PLLCTRL_1 MISC_ADDR(0x32, 1)
+#define PLL_PLLCTRL_2 MISC_ADDR(0x32, 2)
+#define PLL_PLLCTRL_4 MISC_ADDR(0x33, 0)
+
+#define AFE_RXCONFIG_0 MISC_ADDR(0x38, 0)
+#define AFE_RXCONFIG_1 MISC_ADDR(0x38, 1)
+#define AFE_RXCONFIG_2 MISC_ADDR(0x38, 2)
+#define AFE_RX_LP_COUNTER MISC_ADDR(0x38, 3)
+#define AFE_TX_CONFIG MISC_ADDR(0x39, 0)
+#define AFE_VDCA_ICTRL_0 MISC_ADDR(0x39, 1)
+#define AFE_VDAC_OTHERS_0 MISC_ADDR(0x39, 3)
+#define AFE_HPF_TRIM_OTHERS MISC_ADDR(0x3a, 0)
+
+
int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
int bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
@@ -45,5 +63,7 @@ int bcm_phy_get_sset_count(struct phy_device *phydev);
void bcm_phy_get_strings(struct phy_device *phydev, u8 *data);
void bcm_phy_get_stats(struct phy_device *phydev, u64 *shadow,
struct ethtool_stats *stats, u64 *data);
+void bcm_phy_r_rc_cal_reset(struct phy_device *phydev);
+int bcm_phy_28nm_a0b0_afe_config_init(struct phy_device *phydev);
#endif /* _LINUX_BCM_PHY_LIB_H */
diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c
index b8415f8fae14..dddeffa23aa1 100644
--- a/drivers/net/phy/bcm7xxx.c
+++ b/drivers/net/phy/bcm7xxx.c
@@ -37,77 +37,10 @@
#define MII_BCM7XXX_SHD_3_TL4 0x23
#define MII_BCM7XXX_TL4_RST_MSK (BIT(2) | BIT(1))
-/* 28nm only register definitions */
-#define MISC_ADDR(base, channel) base, channel
-
-#define DSP_TAP10 MISC_ADDR(0x0a, 0)
-#define PLL_PLLCTRL_1 MISC_ADDR(0x32, 1)
-#define PLL_PLLCTRL_2 MISC_ADDR(0x32, 2)
-#define PLL_PLLCTRL_4 MISC_ADDR(0x33, 0)
-
-#define AFE_RXCONFIG_0 MISC_ADDR(0x38, 0)
-#define AFE_RXCONFIG_1 MISC_ADDR(0x38, 1)
-#define AFE_RXCONFIG_2 MISC_ADDR(0x38, 2)
-#define AFE_RX_LP_COUNTER MISC_ADDR(0x38, 3)
-#define AFE_TX_CONFIG MISC_ADDR(0x39, 0)
-#define AFE_VDCA_ICTRL_0 MISC_ADDR(0x39, 1)
-#define AFE_VDAC_OTHERS_0 MISC_ADDR(0x39, 3)
-#define AFE_HPF_TRIM_OTHERS MISC_ADDR(0x3a, 0)
-
struct bcm7xxx_phy_priv {
u64 *stats;
};
-static void r_rc_cal_reset(struct phy_device *phydev)
-{
- /* Reset R_CAL/RC_CAL Engine */
- bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0010);
-
- /* Disable Reset R_AL/RC_CAL Engine */
- bcm_phy_write_exp_sel(phydev, 0x00b0, 0x0000);
-}
-
-static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
-{
- /* Increase VCO range to prevent unlocking problem of PLL at low
- * temp
- */
- bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);
-
- /* Change Ki to 011 */
- bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);
-
- /* Disable loading of TVCO buffer to bandgap, set bandgap trim
- * to 111
- */
- bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);
-
- /* Adjust bias current trim by -3 */
- bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b);
-
- /* Switch to CORE_BASE1E */
- phy_write(phydev, MII_BRCM_CORE_BASE1E, 0xd);
-
- r_rc_cal_reset(phydev);
-
- /* write AFE_RXCONFIG_0 */
- bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);
-
- /* write AFE_RXCONFIG_1 */
- bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);
-
- /* write AFE_RX_LP_COUNTER */
- bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);
-
- /* write AFE_HPF_TRIM_OTHERS */
- bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);
-
- /* write AFTE_TX_CONFIG */
- bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);
-
- return 0;
-}
-
static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
{
/* AFE_RXCONFIG_0 */
@@ -143,7 +76,7 @@ static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
/* Reset R_CAL/RC_CAL engine */
- r_rc_cal_reset(phydev);
+ bcm_phy_r_rc_cal_reset(phydev);
return 0;
}
@@ -171,7 +104,7 @@ static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);
/* Reset R_CAL/RC_CAL engine */
- r_rc_cal_reset(phydev);
+ bcm_phy_r_rc_cal_reset(phydev);
return 0;
}
@@ -196,7 +129,7 @@ static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev)
/* Enable ffe zero detection for Vitesse interoperability */
bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015);
- r_rc_cal_reset(phydev);
+ bcm_phy_r_rc_cal_reset(phydev);
return 0;
}
@@ -227,7 +160,7 @@ static int bcm7xxx_28nm_config_init(struct phy_device *phydev)
switch (rev) {
case 0xa0:
case 0xb0:
- ret = bcm7xxx_28nm_b0_afe_config_init(phydev);
+ ret = bcm_phy_28nm_a0b0_afe_config_init(phydev);
break;
case 0xd0:
ret = bcm7xxx_28nm_d0_afe_config_init(phydev);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.