diff options
Diffstat (limited to 'drivers/net/phy/mscc.c')
| -rw-r--r-- | drivers/net/phy/mscc.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c index 47fbab489287..d304fb4df23c 100644 --- a/drivers/net/phy/mscc.c +++ b/drivers/net/phy/mscc.c @@ -67,6 +67,7 @@ enum rgmii_rx_clock_delay { #define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */ #define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */ #define MSCC_PHY_PAGE_EXTENDED_2 0x0002 /* Extended reg - page 2 */ +#define MSCC_PHY_PAGE_TR 0x52b5 /* Token ring registers */ /* Extended Page 1 Registers */ #define MSCC_PHY_CU_MEDIA_CRC_VALID_CNT 18 @@ -100,6 +101,13 @@ enum rgmii_rx_clock_delay { #define SECURE_ON_ENABLE 0x8000 #define SECURE_ON_PASSWD_LEN_4 0x4000 +/* Token ring page Registers */ +#define MSCC_PHY_TR_CNTL 16 +#define TR_WRITE 0x8000 +#define TR_ADDR(x) (0x7fff & (x)) +#define MSCC_PHY_TR_LSB 17 +#define MSCC_PHY_TR_MSB 18 + /* Microsemi PHY ID's */ #define PHY_ID_VSC8530 0x00070560 #define PHY_ID_VSC8531 0x00070570 @@ -129,6 +137,11 @@ enum rgmii_rx_clock_delay { BIT(VSC8531_FORCE_LED_OFF) | \ BIT(VSC8531_FORCE_LED_ON)) +struct reg_val { + u16 reg; + u32 val; +}; + struct vsc85xx_hw_stat { const char *string; u8 reg; @@ -647,6 +660,54 @@ static int vsc85xx_set_tunable(struct phy_device *phydev, } } +/* mdiobus lock should be locked when using this function */ +static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val) +{ + __phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16); + __phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0)); + __phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr)); +} + +static int vsc85xx_eee_init_seq_set(struct phy_device *phydev) +{ + const struct reg_val init_eee[] = { + {0x0f82, 0x0012b00a}, + {0x1686, 0x00000004}, + {0x168c, 0x00d2c46f}, + {0x17a2, 0x00000620}, + {0x16a0, 0x00eeffdd}, + {0x16a6, 0x00071448}, + {0x16a4, 0x0013132f}, + {0x16a8, 0x00000000}, + {0x0ffc, 0x00c0a028}, + {0x0fe8, 0x0091b06c}, + {0x0fea, 0x00041600}, + {0x0f80, 0x00000af4}, + {0x0fec, 0x00901809}, + {0x0fee, 0x0000a6a1}, + {0x0ffe, 0x00b01007}, + {0x16b0, 0x00eeff00}, + {0x16b2, 0x00007000}, + {0x16b4, 0x00000814}, + }; + unsigned int i; + int oldpage; + + mutex_lock(&phydev->lock); + oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR); + if (oldpage < 0) + goto out_unlock; + + for (i = 0; i < ARRAY_SIZE(init_eee); i++) + vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val); + +out_unlock: + oldpage = phy_restore_page(phydev, oldpage, oldpage); + mutex_unlock(&phydev->lock); + + return oldpage; +} + static int vsc85xx_config_init(struct phy_device *phydev) { int rc, i; @@ -664,6 +725,10 @@ static int vsc85xx_config_init(struct phy_device *phydev) if (rc) return rc; + rc = vsc85xx_eee_init_seq_set(phydev); + if (rc) + return rc; + for (i = 0; i < vsc8531->nleds; i++) { rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]); if (rc) |