diff options
Diffstat (limited to 'roms/u-boot/drivers/net/phy/mscc.c')
-rw-r--r-- | roms/u-boot/drivers/net/phy/mscc.c | 1586 |
1 files changed, 1586 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/mscc.c b/roms/u-boot/drivers/net/phy/mscc.c new file mode 100644 index 000000000..d1a643cf5 --- /dev/null +++ b/roms/u-boot/drivers/net/phy/mscc.c @@ -0,0 +1,1586 @@ +// SPDX-License-Identifier: MIT +/* + * Microsemi PHY drivers + * + * + * Copyright (c) 2016 Microsemi Corporation + * + * Author: John Haechten + * + */ + +#include <log.h> +#include <miiphy.h> +#include <bitfield.h> +#include <time.h> +#include <linux/bitops.h> +#include <linux/delay.h> + +/* Microsemi PHY ID's */ +#define PHY_ID_VSC8530 0x00070560 +#define PHY_ID_VSC8531 0x00070570 +#define PHY_ID_VSC8540 0x00070760 +#define PHY_ID_VSC8541 0x00070770 +#define PHY_ID_VSC8574 0x000704a0 +#define PHY_ID_VSC8584 0x000707c0 + +/* Microsemi VSC85xx PHY Register Pages */ +#define MSCC_EXT_PAGE_ACCESS 31 /* Page Access Register */ +#define MSCC_PHY_PAGE_STD 0x0000 /* Standard registers */ +#define MSCC_PHY_PAGE_EXT1 0x0001 /* Extended registers - page 1 */ +#define MSCC_PHY_PAGE_EXT2 0x0002 /* Extended registers - page 2 */ +#define MSCC_PHY_PAGE_EXT3 0x0003 /* Extended registers - page 3 */ +#define MSCC_PHY_PAGE_EXT4 0x0004 /* Extended registers - page 4 */ +#define MSCC_PHY_PAGE_GPIO 0x0010 /* GPIO registers */ +#define MSCC_PHY_PAGE_TEST 0x2A30 /* TEST Page registers */ +#define MSCC_PHY_PAGE_TR 0x52B5 /* Token Ring Page registers */ + +/* Std Page Register 18 */ +#define MSCC_PHY_BYPASS_CONTROL 18 +#define PARALLEL_DET_IGNORE_ADVERTISED BIT(3) + +/* Std Page Register 22 */ +#define MSCC_PHY_EXT_CNTL_STATUS 22 +#define SMI_BROADCAST_WR_EN BIT(0) + +/* Std Page Register 24 */ +#define MSCC_PHY_EXT_PHY_CNTL_2 24 + +/* Std Page Register 28 - PHY AUX Control/Status */ +#define MIIM_AUX_CNTRL_STAT_REG 28 +#define MIIM_AUX_CNTRL_STAT_ACTIPHY_TO (0x0004) +#define MIIM_AUX_CNTRL_STAT_F_DUPLEX (0x0020) +#define MIIM_AUX_CNTRL_STAT_SPEED_MASK (0x0018) +#define MIIM_AUX_CNTRL_STAT_SPEED_POS (3) +#define MIIM_AUX_CNTRL_STAT_SPEED_10M (0x0) +#define MIIM_AUX_CNTRL_STAT_SPEED_100M (0x1) +#define MIIM_AUX_CNTRL_STAT_SPEED_1000M (0x2) + +/* Std Page Register 23 - Extended PHY CTRL_1 */ +#define MSCC_PHY_EXT_PHY_CNTL_1_REG 23 +#define MAC_IF_SELECTION_MASK (0x1800) +#define MAC_IF_SELECTION_GMII (0) +#define MAC_IF_SELECTION_RMII (1) +#define MAC_IF_SELECTION_RGMII (2) +#define MAC_IF_SELECTION_POS (11) +#define MAC_IF_SELECTION_WIDTH (2) +#define VSC8584_MAC_IF_SELECTION_MASK BIT(12) +#define VSC8584_MAC_IF_SELECTION_SGMII 0 +#define VSC8584_MAC_IF_SELECTION_1000BASEX 1 +#define VSC8584_MAC_IF_SELECTION_POS 12 +#define MEDIA_OP_MODE_MASK GENMASK(10, 8) +#define MEDIA_OP_MODE_COPPER 0 +#define MEDIA_OP_MODE_SERDES 1 +#define MEDIA_OP_MODE_1000BASEX 2 +#define MEDIA_OP_MODE_100BASEFX 3 +#define MEDIA_OP_MODE_AMS_COPPER_SERDES 5 +#define MEDIA_OP_MODE_AMS_COPPER_1000BASEX 6 +#define MEDIA_OP_MODE_AMS_COPPER_100BASEFX 7 +#define MEDIA_OP_MODE_POS 8 + +/* Extended Page 1 Register 20E1 */ +#define MSCC_PHY_ACTIPHY_CNTL 20 +#define PHY_ADDR_REVERSED BIT(9) + +/* Extended Page 1 Register 23E1 */ + +#define MSCC_PHY_EXT_PHY_CNTL_4 23 +#define PHY_CNTL_4_ADDR_POS 11 + +/* Extended Page 1 Register 25E1 */ +#define MSCC_PHY_VERIPHY_CNTL_2 25 + +/* Extended Page 1 Register 26E1 */ +#define MSCC_PHY_VERIPHY_CNTL_3 26 + +/* Extended Page 2 Register 16E2 */ +#define MSCC_PHY_CU_PMD_TX_CNTL 16 + +/* Extended Page 2 Register 20E2 */ +#define MSCC_PHY_RGMII_CNTL_REG 20 +#define VSC_FAST_LINK_FAIL2_ENA_MASK (0x8000) +#define RX_CLK_OUT_MASK (0x0800) +#define RX_CLK_OUT_POS (11) +#define RX_CLK_OUT_WIDTH (1) +#define RX_CLK_OUT_NORMAL (0) +#define RX_CLK_OUT_DISABLE (1) +#define RGMII_RX_CLK_DELAY_POS (4) +#define RGMII_RX_CLK_DELAY_WIDTH (3) +#define RGMII_RX_CLK_DELAY_MASK (0x0070) +#define RGMII_TX_CLK_DELAY_POS (0) +#define RGMII_TX_CLK_DELAY_WIDTH (3) +#define RGMII_TX_CLK_DELAY_MASK (0x0007) + +/* Extended Page 2 Register 27E2 */ +#define MSCC_PHY_WOL_MAC_CONTROL 27 +#define EDGE_RATE_CNTL_POS (5) +#define EDGE_RATE_CNTL_WIDTH (3) +#define EDGE_RATE_CNTL_MASK (0x00E0) +#define RMII_CLK_OUT_ENABLE_POS (4) +#define RMII_CLK_OUT_ENABLE_WIDTH (1) +#define RMII_CLK_OUT_ENABLE_MASK (0x10) + +/* Extended Page 3 Register 22E3 */ +#define MSCC_PHY_SERDES_TX_CRC_ERR_CNT 22 + +/* Extended page GPIO register 00G */ +#define MSCC_DW8051_CNTL_STATUS 0 +#define MICRO_NSOFT_RESET BIT(15) +#define RUN_FROM_INT_ROM BIT(14) +#define AUTOINC_ADDR BIT(13) +#define PATCH_RAM_CLK BIT(12) +#define MICRO_PATCH_EN BIT(7) +#define DW8051_CLK_EN BIT(4) +#define MICRO_CLK_EN BIT(3) +#define MICRO_CLK_DIVIDE(x) ((x) >> 1) +#define MSCC_DW8051_VLD_MASK 0xf1ff + +/* Extended page GPIO register 09G */ +#define MSCC_TRAP_ROM_ADDR(x) ((x) * 2 + 1) +#define MSCC_TRAP_ROM_ADDR_SERDES_INIT 0x3eb7 + +/* Extended page GPIO register 10G */ +#define MSCC_PATCH_RAM_ADDR(x) (((x) + 1) * 2) +#define MSCC_PATCH_RAM_ADDR_SERDES_INIT 0x4012 + +/* Extended page GPIO register 11G */ +#define MSCC_INT_MEM_ADDR 11 + +/* Extended page GPIO register 12G */ +#define MSCC_INT_MEM_CNTL 12 +#define READ_SFR (BIT(14) | BIT(13)) +#define READ_PRAM BIT(14) +#define READ_ROM BIT(13) +#define READ_RAM (0x00 << 13) +#define INT_MEM_WRITE_EN BIT(12) +#define EN_PATCH_RAM_TRAP_ADDR(x) BIT((x) + 7) +#define INT_MEM_DATA_M GENMASK(7, 0) +#define INT_MEM_DATA(x) (INT_MEM_DATA_M & (x)) + +/* Extended page GPIO register 13G */ +#define MSCC_CLKOUT_CNTL 13 +#define CLKOUT_ENABLE BIT(15) +#define CLKOUT_FREQ_MASK GENMASK(14, 13) +#define CLKOUT_FREQ_25M (0x0 << 13) +#define CLKOUT_FREQ_50M (0x1 << 13) +#define CLKOUT_FREQ_125M (0x2 << 13) + +/* Extended page GPIO register 18G */ +#define MSCC_PHY_PROC_CMD 18 +#define PROC_CMD_NCOMPLETED BIT(15) +#define PROC_CMD_FAILED BIT(14) +#define PROC_CMD_SGMII_PORT(x) ((x) << 8) +#define PROC_CMD_FIBER_PORT(x) BIT(8 + (x) % 4) +#define PROC_CMD_QSGMII_PORT (BIT(11) | BIT(10)) +#define PROC_CMD_RST_CONF_PORT BIT(7) +#define PROC_CMD_RECONF_PORT (0 << 7) +#define PROC_CMD_READ_MOD_WRITE_PORT BIT(6) +#define PROC_CMD_WRITE BIT(6) +#define PROC_CMD_READ (0 << 6) +#define PROC_CMD_FIBER_DISABLE BIT(5) +#define PROC_CMD_FIBER_100BASE_FX BIT(4) +#define PROC_CMD_FIBER_1000BASE_X (0 << 4) +#define PROC_CMD_SGMII_MAC (BIT(5) | BIT(4)) +#define PROC_CMD_QSGMII_MAC BIT(5) +#define PROC_CMD_NO_MAC_CONF (0x00 << 4) +#define PROC_CMD_1588_DEFAULT_INIT BIT(4) +#define PROC_CMD_NOP GENMASK(3, 0) +#define PROC_CMD_PHY_INIT (BIT(3) | BIT(1)) +#define PROC_CMD_CRC16 BIT(3) +#define PROC_CMD_FIBER_MEDIA_CONF BIT(0) +#define PROC_CMD_MCB_ACCESS_MAC_CONF (0x0000 << 0) +#define PROC_CMD_NCOMPLETED_TIMEOUT_MS 500 + +/* Extended page GPIO register 19G */ +#define MSCC_PHY_MAC_CFG_FASTLINK 19 +#define MAC_CFG_MASK GENMASK(15, 14) +#define MAC_CFG_SGMII (0x00 << 14) +#define MAC_CFG_QSGMII BIT(14) + +/* Test Registers */ +#define MSCC_PHY_TEST_PAGE_5 5 + +#define MSCC_PHY_TEST_PAGE_8 8 +#define TR_CLK_DISABLE BIT(15) + +#define MSCC_PHY_TEST_PAGE_9 9 +#define MSCC_PHY_TEST_PAGE_20 20 +#define MSCC_PHY_TEST_PAGE_24 24 + +/* Token Ring Page 0x52B5 Registers */ +#define MSCC_PHY_REG_TR_ADDR_16 16 +#define MSCC_PHY_REG_TR_DATA_17 17 +#define MSCC_PHY_REG_TR_DATA_18 18 + +/* Token Ring - Read Value in */ +#define MSCC_PHY_TR_16_READ (0xA000) +/* Token Ring - Write Value out */ +#define MSCC_PHY_TR_16_WRITE (0x8000) + +/* Token Ring Registers */ +#define MSCC_PHY_TR_LINKDETCTRL_POS (3) +#define MSCC_PHY_TR_LINKDETCTRL_WIDTH (2) +#define MSCC_PHY_TR_LINKDETCTRL_VAL (3) +#define MSCC_PHY_TR_LINKDETCTRL_MASK (0x0018) +#define MSCC_PHY_TR_LINKDETCTRL_ADDR (0x07F8) + +#define MSCC_PHY_TR_VGATHRESH100_POS (0) +#define MSCC_PHY_TR_VGATHRESH100_WIDTH (7) +#define MSCC_PHY_TR_VGATHRESH100_VAL (0x0018) +#define MSCC_PHY_TR_VGATHRESH100_MASK (0x007f) +#define MSCC_PHY_TR_VGATHRESH100_ADDR (0x0FA4) + +#define MSCC_PHY_TR_VGAGAIN10_U_POS (0) +#define MSCC_PHY_TR_VGAGAIN10_U_WIDTH (1) +#define MSCC_PHY_TR_VGAGAIN10_U_MASK (0x0001) +#define MSCC_PHY_TR_VGAGAIN10_U_VAL (0) + +#define MSCC_PHY_TR_VGAGAIN10_L_POS (12) +#define MSCC_PHY_TR_VGAGAIN10_L_WIDTH (4) +#define MSCC_PHY_TR_VGAGAIN10_L_MASK (0xf000) +#define MSCC_PHY_TR_VGAGAIN10_L_VAL (0x0001) +#define MSCC_PHY_TR_VGAGAIN10_ADDR (0x0F92) + +/* General Timeout Values */ +#define MSCC_PHY_RESET_TIMEOUT (100) +#define MSCC_PHY_MICRO_TIMEOUT (500) + +#define VSC8584_REVB 0x0001 +#define MSCC_DEV_REV_MASK GENMASK(3, 0) + +#define MSCC_VSC8574_REVB_INT8051_FW_START_ADDR 0x4000 +#define MSCC_VSC8574_REVB_INT8051_FW_CRC 0x29e8 + +#define MSCC_VSC8584_REVB_INT8051_FW_START_ADDR 0xe800 +#define MSCC_VSC8584_REVB_INT8051_FW_CRC 0xfb48 + +/* RGMII/GMII Clock Delay (Skew) Options */ enum vsc_phy_rgmii_skew { + VSC_PHY_RGMII_DELAY_200_PS, + VSC_PHY_RGMII_DELAY_800_PS, + VSC_PHY_RGMII_DELAY_1100_PS, + VSC_PHY_RGMII_DELAY_1700_PS, + VSC_PHY_RGMII_DELAY_2000_PS, + VSC_PHY_RGMII_DELAY_2300_PS, + VSC_PHY_RGMII_DELAY_2600_PS, + VSC_PHY_RGMII_DELAY_3400_PS, +}; + +/* MAC i/f Clock Edge Rage Control (Slew), See Reg27E2 */ enum +vsc_phy_clk_slew { + VSC_PHY_CLK_SLEW_RATE_0, + VSC_PHY_CLK_SLEW_RATE_1, + VSC_PHY_CLK_SLEW_RATE_2, + VSC_PHY_CLK_SLEW_RATE_3, + VSC_PHY_CLK_SLEW_RATE_4, + VSC_PHY_CLK_SLEW_RATE_5, + VSC_PHY_CLK_SLEW_RATE_6, + VSC_PHY_CLK_SLEW_RATE_7, +}; + +struct vsc85xx_priv { + int (*config_pre)(struct phy_device *phydev); +}; + +static void vsc8584_csr_write(struct mii_dev *bus, int phy0, u16 addr, u32 val) +{ + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, + val >> 16); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17, + val & GENMASK(15, 0)); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + MSCC_PHY_TR_16_WRITE | addr); +} + +static int vsc8584_cmd(struct mii_dev *bus, int phy, u16 val) +{ + unsigned long deadline; + u16 reg_val; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_PROC_CMD, + PROC_CMD_NCOMPLETED | val); + + deadline = timer_get_us() + PROC_CMD_NCOMPLETED_TIMEOUT_MS * 1000; + do { + reg_val = bus->read(bus, phy, MDIO_DEVAD_NONE, + MSCC_PHY_PROC_CMD); + } while (timer_get_us() <= deadline && + (reg_val & PROC_CMD_NCOMPLETED) && + !(reg_val & PROC_CMD_FAILED)); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + if (reg_val & PROC_CMD_FAILED) + return -EIO; + if (reg_val & PROC_CMD_NCOMPLETED) + return -ETIMEDOUT; + + return 0; +} + +static int vsc8584_micro_deassert_reset(struct mii_dev *bus, int phy, + bool patch_en) +{ + u32 enable, release; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN; + release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN | + MICRO_CLK_EN; + + if (patch_en) { + enable |= MICRO_PATCH_EN; + release |= MICRO_PATCH_EN; + + /* Clear all patches */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, + READ_RAM); + } + + /* + * Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock + * override and addr. auto-incr; operate at 125 MHz + */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS, enable); + /* Release 8051 Micro SW reset */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS, release); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int vsc8584_micro_assert_reset(struct mii_dev *bus, int phy) +{ + int ret; + u16 reg; + + ret = vsc8584_cmd(bus, phy, PROC_CMD_NOP); + if (ret) + return ret; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL); + reg &= ~EN_PATCH_RAM_TRAP_ADDR(4); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, reg); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_TRAP_ROM_ADDR(4), 0x005b); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PATCH_RAM_ADDR(4), 0x005b); + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL); + reg |= EN_PATCH_RAM_TRAP_ADDR(4); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, reg); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_PROC_CMD, PROC_CMD_NOP); + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS); + reg &= ~MICRO_NSOFT_RESET; + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS, reg); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_PROC_CMD, + PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_SGMII_PORT(0) | + PROC_CMD_NO_MAC_CONF | PROC_CMD_READ); + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL); + reg &= ~EN_PATCH_RAM_TRAP_ADDR(4); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, reg); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static const u8 fw_patch_vsc8574[] = { + 0x46, 0x4a, 0x02, 0x43, 0x37, 0x02, 0x46, 0x26, 0x02, 0x46, 0x77, 0x02, + 0x45, 0x60, 0x02, 0x45, 0xaf, 0xed, 0xff, 0xe5, 0xfc, 0x54, 0x38, 0x64, + 0x20, 0x70, 0x08, 0x65, 0xff, 0x70, 0x04, 0xed, 0x44, 0x80, 0xff, 0x22, + 0x8f, 0x19, 0x7b, 0xbb, 0x7d, 0x0e, 0x7f, 0x04, 0x12, 0x3d, 0xd7, 0xef, + 0x4e, 0x60, 0x03, 0x02, 0x41, 0xf9, 0xe4, 0xf5, 0x1a, 0x74, 0x01, 0x7e, + 0x00, 0xa8, 0x1a, 0x08, 0x80, 0x05, 0xc3, 0x33, 0xce, 0x33, 0xce, 0xd8, + 0xf9, 0xff, 0xef, 0x55, 0x19, 0x70, 0x03, 0x02, 0x41, 0xed, 0x85, 0x1a, + 0xfb, 0x7b, 0xbb, 0xe4, 0xfd, 0xff, 0x12, 0x3d, 0xd7, 0xef, 0x4e, 0x60, + 0x03, 0x02, 0x41, 0xed, 0xe5, 0x1a, 0x54, 0x02, 0x75, 0x1d, 0x00, 0x25, + 0xe0, 0x25, 0xe0, 0xf5, 0x1c, 0xe4, 0x78, 0xc5, 0xf6, 0xd2, 0x0a, 0x12, + 0x41, 0xfa, 0x7b, 0xff, 0x7d, 0x12, 0x7f, 0x07, 0x12, 0x3d, 0xd7, 0xef, + 0x4e, 0x60, 0x03, 0x02, 0x41, 0xe7, 0xc2, 0x0a, 0x74, 0xc7, 0x25, 0x1a, + 0xf9, 0x74, 0xe7, 0x25, 0x1a, 0xf8, 0xe6, 0x27, 0xf5, 0x1b, 0xe5, 0x1d, + 0x24, 0x5b, 0x12, 0x45, 0xea, 0x12, 0x3e, 0xda, 0x7b, 0xfc, 0x7d, 0x11, + 0x7f, 0x07, 0x12, 0x3d, 0xd7, 0x78, 0xcc, 0xef, 0xf6, 0x78, 0xc1, 0xe6, + 0xfe, 0xef, 0xd3, 0x9e, 0x40, 0x06, 0x78, 0xcc, 0xe6, 0x78, 0xc1, 0xf6, + 0x12, 0x41, 0xfa, 0x7b, 0xec, 0x7d, 0x12, 0x7f, 0x07, 0x12, 0x3d, 0xd7, + 0x78, 0xcb, 0xef, 0xf6, 0xbf, 0x07, 0x06, 0x78, 0xc3, 0x76, 0x1a, 0x80, + 0x1f, 0x78, 0xc5, 0xe6, 0xff, 0x60, 0x0f, 0xc3, 0xe5, 0x1b, 0x9f, 0xff, + 0x78, 0xcb, 0xe6, 0x85, 0x1b, 0xf0, 0xa4, 0x2f, 0x80, 0x07, 0x78, 0xcb, + 0xe6, 0x85, 0x1b, 0xf0, 0xa4, 0x78, 0xc3, 0xf6, 0xe4, 0x78, 0xc2, 0xf6, + 0x78, 0xc2, 0xe6, 0xff, 0xc3, 0x08, 0x96, 0x40, 0x03, 0x02, 0x41, 0xd1, + 0xef, 0x54, 0x03, 0x60, 0x33, 0x14, 0x60, 0x46, 0x24, 0xfe, 0x60, 0x42, + 0x04, 0x70, 0x4b, 0xef, 0x24, 0x02, 0xff, 0xe4, 0x33, 0xfe, 0xef, 0x78, + 0x02, 0xce, 0xa2, 0xe7, 0x13, 0xce, 0x13, 0xd8, 0xf8, 0xff, 0xe5, 0x1d, + 0x24, 0x5c, 0xcd, 0xe5, 0x1c, 0x34, 0xf0, 0xcd, 0x2f, 0xff, 0xed, 0x3e, + 0xfe, 0x12, 0x46, 0x0d, 0x7d, 0x11, 0x80, 0x0b, 0x78, 0xc2, 0xe6, 0x70, + 0x04, 0x7d, 0x11, 0x80, 0x02, 0x7d, 0x12, 0x7f, 0x07, 0x12, 0x3e, 0x9a, + 0x8e, 0x1e, 0x8f, 0x1f, 0x80, 0x03, 0xe5, 0x1e, 0xff, 0x78, 0xc5, 0xe6, + 0x06, 0x24, 0xcd, 0xf8, 0xa6, 0x07, 0x78, 0xc2, 0x06, 0xe6, 0xb4, 0x1a, + 0x0a, 0xe5, 0x1d, 0x24, 0x5c, 0x12, 0x45, 0xea, 0x12, 0x3e, 0xda, 0x78, + 0xc5, 0xe6, 0x65, 0x1b, 0x70, 0x82, 0x75, 0xdb, 0x20, 0x75, 0xdb, 0x28, + 0x12, 0x46, 0x02, 0x12, 0x46, 0x02, 0xe5, 0x1a, 0x12, 0x45, 0xf5, 0xe5, + 0x1a, 0xc3, 0x13, 0x12, 0x45, 0xf5, 0x78, 0xc5, 0x16, 0xe6, 0x24, 0xcd, + 0xf8, 0xe6, 0xff, 0x7e, 0x08, 0x1e, 0xef, 0xa8, 0x06, 0x08, 0x80, 0x02, + 0xc3, 0x13, 0xd8, 0xfc, 0xfd, 0xc4, 0x33, 0x54, 0xe0, 0xf5, 0xdb, 0xef, + 0xa8, 0x06, 0x08, 0x80, 0x02, 0xc3, 0x13, 0xd8, 0xfc, 0xfd, 0xc4, 0x33, + 0x54, 0xe0, 0x44, 0x08, 0xf5, 0xdb, 0xee, 0x70, 0xd8, 0x78, 0xc5, 0xe6, + 0x70, 0xc8, 0x75, 0xdb, 0x10, 0x02, 0x40, 0xfd, 0x78, 0xc2, 0xe6, 0xc3, + 0x94, 0x17, 0x50, 0x0e, 0xe5, 0x1d, 0x24, 0x62, 0x12, 0x42, 0x08, 0xe5, + 0x1d, 0x24, 0x5c, 0x12, 0x42, 0x08, 0x20, 0x0a, 0x03, 0x02, 0x40, 0x76, + 0x05, 0x1a, 0xe5, 0x1a, 0xc3, 0x94, 0x04, 0x50, 0x03, 0x02, 0x40, 0x3a, + 0x22, 0xe5, 0x1d, 0x24, 0x5c, 0xff, 0xe5, 0x1c, 0x34, 0xf0, 0xfe, 0x12, + 0x46, 0x0d, 0x22, 0xff, 0xe5, 0x1c, 0x34, 0xf0, 0xfe, 0x12, 0x46, 0x0d, + 0x22, 0xe4, 0xf5, 0x19, 0x12, 0x46, 0x43, 0x20, 0xe7, 0x1e, 0x7b, 0xfe, + 0x12, 0x42, 0xf9, 0xef, 0xc4, 0x33, 0x33, 0x54, 0xc0, 0xff, 0xc0, 0x07, + 0x7b, 0x54, 0x12, 0x42, 0xf9, 0xd0, 0xe0, 0x4f, 0xff, 0x74, 0x2a, 0x25, + 0x19, 0xf8, 0xa6, 0x07, 0x12, 0x46, 0x43, 0x20, 0xe7, 0x03, 0x02, 0x42, + 0xdf, 0x54, 0x03, 0x64, 0x03, 0x70, 0x03, 0x02, 0x42, 0xcf, 0x7b, 0xcb, + 0x12, 0x43, 0x2c, 0x8f, 0xfb, 0x7b, 0x30, 0x7d, 0x03, 0xe4, 0xff, 0x12, + 0x3d, 0xd7, 0xc3, 0xef, 0x94, 0x02, 0xee, 0x94, 0x00, 0x50, 0x2a, 0x12, + 0x42, 0xec, 0xef, 0x4e, 0x70, 0x23, 0x12, 0x43, 0x04, 0x60, 0x0a, 0x12, + 0x43, 0x12, 0x70, 0x0c, 0x12, 0x43, 0x1f, 0x70, 0x07, 0x12, 0x46, 0x39, + 0x7b, 0x03, 0x80, 0x07, 0x12, 0x46, 0x39, 0x12, 0x46, 0x43, 0xfb, 0x7a, + 0x00, 0x7d, 0x54, 0x80, 0x3e, 0x12, 0x42, 0xec, 0xef, 0x4e, 0x70, 0x24, + 0x12, 0x43, 0x04, 0x60, 0x0a, 0x12, 0x43, 0x12, 0x70, 0x0f, 0x12, 0x43, + 0x1f, 0x70, 0x0a, 0x12, 0x46, 0x39, 0xe4, 0xfb, 0xfa, 0x7d, 0xee, 0x80, + 0x1e, 0x12, 0x46, 0x39, 0x7b, 0x01, 0x7a, 0x00, 0x7d, 0xee, 0x80, 0x13, + 0x12, 0x46, 0x39, 0x12, 0x46, 0x43, 0x54, 0x40, 0xfe, 0xc4, 0x13, 0x13, + 0x54, 0x03, 0xfb, 0x7a, 0x00, 0x7d, 0xee, 0x12, 0x38, 0xbd, 0x7b, 0xff, + 0x12, 0x43, 0x2c, 0xef, 0x4e, 0x70, 0x07, 0x74, 0x2a, 0x25, 0x19, 0xf8, + 0xe4, 0xf6, 0x05, 0x19, 0xe5, 0x19, 0xc3, 0x94, 0x02, 0x50, 0x03, 0x02, + 0x42, 0x15, 0x22, 0xe5, 0x19, 0x24, 0x17, 0xfd, 0x7b, 0x20, 0x7f, 0x04, + 0x12, 0x3d, 0xd7, 0x22, 0xe5, 0x19, 0x24, 0x17, 0xfd, 0x7f, 0x04, 0x12, + 0x3d, 0xd7, 0x22, 0x7b, 0x22, 0x7d, 0x18, 0x7f, 0x06, 0x12, 0x3d, 0xd7, + 0xef, 0x64, 0x01, 0x4e, 0x22, 0x7d, 0x1c, 0xe4, 0xff, 0x12, 0x3e, 0x9a, + 0xef, 0x54, 0x1b, 0x64, 0x0a, 0x22, 0x7b, 0xcc, 0x7d, 0x10, 0xff, 0x12, + 0x3d, 0xd7, 0xef, 0x64, 0x01, 0x4e, 0x22, 0xe5, 0x19, 0x24, 0x17, 0xfd, + 0x7f, 0x04, 0x12, 0x3d, 0xd7, 0x22, 0xd2, 0x08, 0x75, 0xfb, 0x03, 0xab, + 0x7e, 0xaa, 0x7d, 0x7d, 0x19, 0x7f, 0x03, 0x12, 0x3e, 0xda, 0xe5, 0x7e, + 0x54, 0x0f, 0x24, 0xf3, 0x60, 0x03, 0x02, 0x43, 0xe9, 0x12, 0x46, 0x5a, + 0x12, 0x46, 0x61, 0xd8, 0xfb, 0xff, 0x20, 0xe2, 0x35, 0x13, 0x92, 0x0c, + 0xef, 0xa2, 0xe1, 0x92, 0x0b, 0x30, 0x0c, 0x2a, 0xe4, 0xf5, 0x10, 0x7b, + 0xfe, 0x12, 0x43, 0xff, 0xef, 0xc4, 0x33, 0x33, 0x54, 0xc0, 0xff, 0xc0, + 0x07, 0x7b, 0x54, 0x12, 0x43, 0xff, 0xd0, 0xe0, 0x4f, 0xff, 0x74, 0x2a, + 0x25, 0x10, 0xf8, 0xa6, 0x07, 0x05, 0x10, 0xe5, 0x10, 0xc3, 0x94, 0x02, + 0x40, 0xd9, 0x12, 0x46, 0x5a, 0x12, 0x46, 0x61, 0xd8, 0xfb, 0x54, 0x05, + 0x64, 0x04, 0x70, 0x27, 0x78, 0xc4, 0xe6, 0x78, 0xc6, 0xf6, 0xe5, 0x7d, + 0xff, 0x33, 0x95, 0xe0, 0xef, 0x54, 0x0f, 0x78, 0xc4, 0xf6, 0x12, 0x44, + 0x0a, 0x20, 0x0c, 0x0c, 0x12, 0x46, 0x5a, 0x12, 0x46, 0x61, 0xd8, 0xfb, + 0x13, 0x92, 0x0d, 0x22, 0xc2, 0x0d, 0x22, 0x12, 0x46, 0x5a, 0x12, 0x46, + 0x61, 0xd8, 0xfb, 0x54, 0x05, 0x64, 0x05, 0x70, 0x1e, 0x78, 0xc4, 0x7d, + 0xb8, 0x12, 0x43, 0xf5, 0x78, 0xc1, 0x7d, 0x74, 0x12, 0x43, 0xf5, 0xe4, + 0x78, 0xc1, 0xf6, 0x22, 0x7b, 0x01, 0x7a, 0x00, 0x7d, 0xee, 0x7f, 0x92, + 0x12, 0x38, 0xbd, 0x22, 0xe6, 0xfb, 0x7a, 0x00, 0x7f, 0x92, 0x12, 0x38, + 0xbd, 0x22, 0xe5, 0x10, 0x24, 0x17, 0xfd, 0x7f, 0x04, 0x12, 0x3d, 0xd7, + 0x22, 0x78, 0xc1, 0xe6, 0xfb, 0x7a, 0x00, 0x7d, 0x74, 0x7f, 0x92, 0x12, + 0x38, 0xbd, 0xe4, 0x78, 0xc1, 0xf6, 0xf5, 0x11, 0x74, 0x01, 0x7e, 0x00, + 0xa8, 0x11, 0x08, 0x80, 0x05, 0xc3, 0x33, 0xce, 0x33, 0xce, 0xd8, 0xf9, + 0xff, 0x78, 0xc4, 0xe6, 0xfd, 0xef, 0x5d, 0x60, 0x44, 0x85, 0x11, 0xfb, + 0xe5, 0x11, 0x54, 0x02, 0x25, 0xe0, 0x25, 0xe0, 0xfe, 0xe4, 0x24, 0x5b, + 0xfb, 0xee, 0x12, 0x45, 0xed, 0x12, 0x3e, 0xda, 0x7b, 0x40, 0x7d, 0x11, + 0x7f, 0x07, 0x12, 0x3d, 0xd7, 0x74, 0xc7, 0x25, 0x11, 0xf8, 0xa6, 0x07, + 0x7b, 0x11, 0x7d, 0x12, 0x7f, 0x07, 0x12, 0x3d, 0xd7, 0xef, 0x4e, 0x60, + 0x09, 0x74, 0xe7, 0x25, 0x11, 0xf8, 0x76, 0x04, 0x80, 0x07, 0x74, 0xe7, + 0x25, 0x11, 0xf8, 0x76, 0x0a, 0x05, 0x11, 0xe5, 0x11, 0xc3, 0x94, 0x04, + 0x40, 0x9a, 0x78, 0xc6, 0xe6, 0x70, 0x15, 0x78, 0xc4, 0xe6, 0x60, 0x10, + 0x75, 0xd9, 0x38, 0x75, 0xdb, 0x10, 0x7d, 0xfe, 0x12, 0x44, 0xb8, 0x7d, + 0x76, 0x12, 0x44, 0xb8, 0x79, 0xc6, 0xe7, 0x78, 0xc4, 0x66, 0xff, 0x60, + 0x03, 0x12, 0x40, 0x25, 0x78, 0xc4, 0xe6, 0x70, 0x09, 0xfb, 0xfa, 0x7d, + 0xfe, 0x7f, 0x8e, 0x12, 0x38, 0xbd, 0x22, 0x7b, 0x01, 0x7a, 0x00, 0x7f, + 0x8e, 0x12, 0x38, 0xbd, 0x22, 0xe4, 0xf5, 0xfb, 0x7d, 0x1c, 0xe4, 0xff, + 0x12, 0x3e, 0x9a, 0xad, 0x07, 0xac, 0x06, 0xec, 0x54, 0xc0, 0xff, 0xed, + 0x54, 0x3f, 0x4f, 0xf5, 0x20, 0x30, 0x06, 0x2c, 0x30, 0x01, 0x08, 0xa2, + 0x04, 0x72, 0x03, 0x92, 0x07, 0x80, 0x21, 0x30, 0x04, 0x06, 0x7b, 0xcc, + 0x7d, 0x11, 0x80, 0x0d, 0x30, 0x03, 0x06, 0x7b, 0xcc, 0x7d, 0x10, 0x80, + 0x04, 0x7b, 0x66, 0x7d, 0x16, 0xe4, 0xff, 0x12, 0x3d, 0xd7, 0xee, 0x4f, + 0x24, 0xff, 0x92, 0x07, 0xaf, 0xfb, 0x74, 0x26, 0x2f, 0xf8, 0xe6, 0xff, + 0xa6, 0x20, 0x20, 0x07, 0x39, 0x8f, 0x20, 0x30, 0x07, 0x34, 0x30, 0x00, + 0x31, 0x20, 0x04, 0x2e, 0x20, 0x03, 0x2b, 0xe4, 0xf5, 0xff, 0x75, 0xfc, + 0xc2, 0xe5, 0xfc, 0x30, 0xe0, 0xfb, 0xaf, 0xfe, 0xef, 0x20, 0xe3, 0x1a, + 0xae, 0xfd, 0x44, 0x08, 0xf5, 0xfe, 0x75, 0xfc, 0x80, 0xe5, 0xfc, 0x30, + 0xe0, 0xfb, 0x8f, 0xfe, 0x8e, 0xfd, 0x75, 0xfc, 0x80, 0xe5, 0xfc, 0x30, + 0xe0, 0xfb, 0x05, 0xfb, 0xaf, 0xfb, 0xef, 0xc3, 0x94, 0x04, 0x50, 0x03, + 0x02, 0x44, 0xc5, 0xe4, 0xf5, 0xfb, 0x22, 0xe5, 0x7e, 0x54, 0x0f, 0x64, + 0x01, 0x70, 0x23, 0xe5, 0x7e, 0x30, 0xe4, 0x1e, 0x90, 0x47, 0xd0, 0xe0, + 0x44, 0x02, 0xf0, 0x54, 0xfb, 0xf0, 0x90, 0x47, 0xd4, 0xe0, 0x44, 0x04, + 0xf0, 0x7b, 0x03, 0x7d, 0x5b, 0x7f, 0x5d, 0x12, 0x36, 0x29, 0x7b, 0x0e, + 0x80, 0x1c, 0x90, 0x47, 0xd0, 0xe0, 0x54, 0xfd, 0xf0, 0x44, 0x04, 0xf0, + 0x90, 0x47, 0xd4, 0xe0, 0x54, 0xfb, 0xf0, 0x7b, 0x02, 0x7d, 0x5b, 0x7f, + 0x5d, 0x12, 0x36, 0x29, 0x7b, 0x06, 0x7d, 0x60, 0x7f, 0x63, 0x12, 0x36, + 0x29, 0x22, 0xe5, 0x7e, 0x30, 0xe5, 0x35, 0x30, 0xe4, 0x0b, 0x7b, 0x02, + 0x7d, 0x33, 0x7f, 0x35, 0x12, 0x36, 0x29, 0x80, 0x10, 0x7b, 0x01, 0x7d, + 0x33, 0x7f, 0x35, 0x12, 0x36, 0x29, 0x90, 0x47, 0xd2, 0xe0, 0x44, 0x04, + 0xf0, 0x90, 0x47, 0xd2, 0xe0, 0x54, 0xf7, 0xf0, 0x90, 0x47, 0xd1, 0xe0, + 0x44, 0x10, 0xf0, 0x7b, 0x05, 0x7d, 0x84, 0x7f, 0x86, 0x12, 0x36, 0x29, + 0x22, 0xfb, 0xe5, 0x1c, 0x34, 0xf0, 0xfa, 0x7d, 0x10, 0x7f, 0x07, 0x22, + 0x54, 0x01, 0xc4, 0x33, 0x54, 0xe0, 0xf5, 0xdb, 0x44, 0x08, 0xf5, 0xdb, + 0x22, 0xf5, 0xdb, 0x75, 0xdb, 0x08, 0xf5, 0xdb, 0x75, 0xdb, 0x08, 0x22, + 0xab, 0x07, 0xaa, 0x06, 0x7d, 0x10, 0x7f, 0x07, 0x12, 0x3e, 0xda, 0x7b, + 0xff, 0x7d, 0x10, 0x7f, 0x07, 0x12, 0x3d, 0xd7, 0xef, 0x4e, 0x60, 0xf3, + 0x22, 0x12, 0x44, 0xc2, 0x30, 0x0c, 0x03, 0x12, 0x42, 0x12, 0x78, 0xc4, + 0xe6, 0xff, 0x60, 0x03, 0x12, 0x40, 0x25, 0x22, 0xe5, 0x19, 0x24, 0x17, + 0x54, 0x1f, 0x44, 0x80, 0xff, 0x22, 0x74, 0x2a, 0x25, 0x19, 0xf8, 0xe6, + 0x22, 0x12, 0x46, 0x72, 0x12, 0x46, 0x68, 0x90, 0x47, 0xfa, 0xe0, 0x54, + 0xf8, 0x44, 0x02, 0xf0, 0x22, 0xe5, 0x7e, 0xae, 0x7d, 0x78, 0x04, 0x22, + 0xce, 0xa2, 0xe7, 0x13, 0xce, 0x13, 0x22, 0xe4, 0x78, 0xc4, 0xf6, 0xc2, + 0x0d, 0x78, 0xc1, 0xf6, 0x22, 0xc2, 0x0c, 0xc2, 0x0b, 0x22, 0x22, +}; + +static const u8 fw_patch_vsc8584[] = { + 0xe8, 0x59, 0x02, 0xe8, 0x12, 0x02, 0xe8, 0x42, 0x02, 0xe8, 0x5a, 0x02, + 0xe8, 0x5b, 0x02, 0xe8, 0x5c, 0xe5, 0x69, 0x54, 0x0f, 0x24, 0xf7, 0x60, + 0x27, 0x24, 0xfc, 0x60, 0x23, 0x24, 0x08, 0x70, 0x14, 0xe5, 0x69, 0xae, + 0x68, 0x78, 0x04, 0xce, 0xa2, 0xe7, 0x13, 0xce, 0x13, 0xd8, 0xf8, 0x7e, + 0x00, 0x54, 0x0f, 0x80, 0x00, 0x7b, 0x01, 0x7a, 0x00, 0x7d, 0xee, 0x7f, + 0x92, 0x12, 0x50, 0xee, 0x22, 0xe4, 0xf5, 0x10, 0x85, 0x10, 0xfb, 0x7d, + 0x1c, 0xe4, 0xff, 0x12, 0x59, 0xea, 0x05, 0x10, 0xe5, 0x10, 0xc3, 0x94, + 0x04, 0x40, 0xed, 0x22, 0x22, 0x22, 0x22, 0x22, +}; + +static int vsc8584_get_fw_crc(struct mii_dev *bus, int phy, u16 start, + u16 *crc, const u8 *fw_patch, int fw_size) +{ + int ret; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT1); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_VERIPHY_CNTL_2, start); + /* Add one byte to size for the one added by the patch_fw function */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_VERIPHY_CNTL_3, + fw_size + 1); + + ret = vsc8584_cmd(bus, phy, PROC_CMD_CRC16); + if (ret) + goto out; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT1); + + *crc = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_PHY_VERIPHY_CNTL_2); + +out: + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return ret; +} + +static int vsc8584_patch_fw(struct mii_dev *bus, int phy, const u8 *fw_patch, + int fw_size) +{ + int i, ret; + + ret = vsc8584_micro_assert_reset(bus, phy); + if (ret) { + pr_err("%s: failed to assert reset of micro\n", __func__); + return ret; + } + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + /* + * Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock + * Disable the 8051 Micro clock + */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS, + RUN_FROM_INT_ROM | AUTOINC_ADDR | PATCH_RAM_CLK | + MICRO_CLK_EN | MICRO_CLK_DIVIDE(2)); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, READ_PRAM | + INT_MEM_WRITE_EN | INT_MEM_DATA(2)); + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_ADDR, 0x0000); + + for (i = 0; i < fw_size; i++) + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, + READ_PRAM | INT_MEM_WRITE_EN | fw_patch[i]); + + /* Clear internal memory access */ + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, READ_RAM); + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static bool vsc8574_is_serdes_init(struct mii_dev *bus, int phy) +{ + u16 reg; + bool ret; + + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_TRAP_ROM_ADDR(1)); + if (reg != MSCC_TRAP_ROM_ADDR_SERDES_INIT) { + ret = false; + goto out; + } + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_PATCH_RAM_ADDR(1)); + if (reg != MSCC_PATCH_RAM_ADDR_SERDES_INIT) { + ret = false; + goto out; + } + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL); + if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) { + ret = false; + goto out; + } + + reg = bus->read(bus, phy, MDIO_DEVAD_NONE, MSCC_DW8051_CNTL_STATUS); + if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN | + MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) { + ret = false; + goto out; + } + + ret = true; + +out: + bus->write(bus, phy, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + return ret; +} + +static int vsc8574_config_pre_init(struct phy_device *phydev) +{ + struct mii_dev *bus = phydev->bus; + u16 crc, reg, phy0, addr; + bool serdes_init; + int ret; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT1); + addr = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_4); + addr >>= PHY_CNTL_4_ADDR_POS; + + reg = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_ACTIPHY_CNTL); + if (reg & PHY_ADDR_REVERSED) + phy0 = phydev->addr + addr; + else + phy0 = phydev->addr - addr; + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* all writes below are broadcasted to all PHYs in the same package */ + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS); + reg |= SMI_BROADCAST_WR_EN; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS, reg); + + /* + * The below register writes are tweaking analog and electrical + * configuration that were determined through characterization by PHY + * engineers. These don't mean anything more than "these are the best + * values". + */ + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TEST); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_20, 0x4320); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_24, 0x0c00); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_9, 0x18ca); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_5, 0x1b20); + + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8); + reg |= TR_CLK_DISABLE; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TR); + + vsc8584_csr_write(bus, phy0, 0x0fae, 0x000401bd); + vsc8584_csr_write(bus, phy0, 0x0fac, 0x000f000f); + vsc8584_csr_write(bus, phy0, 0x17a0, 0x00a0f147); + vsc8584_csr_write(bus, phy0, 0x0fe4, 0x00052f54); + vsc8584_csr_write(bus, phy0, 0x1792, 0x0027303d); + vsc8584_csr_write(bus, phy0, 0x07fe, 0x00000704); + vsc8584_csr_write(bus, phy0, 0x0fe0, 0x00060150); + vsc8584_csr_write(bus, phy0, 0x0f82, 0x0012b00a); + vsc8584_csr_write(bus, phy0, 0x0f80, 0x00000d74); + vsc8584_csr_write(bus, phy0, 0x02e0, 0x00000012); + vsc8584_csr_write(bus, phy0, 0x03a2, 0x00050208); + vsc8584_csr_write(bus, phy0, 0x03b2, 0x00009186); + vsc8584_csr_write(bus, phy0, 0x0fb0, 0x000e3700); + vsc8584_csr_write(bus, phy0, 0x1688, 0x00049f81); + vsc8584_csr_write(bus, phy0, 0x0fd2, 0x0000ffff); + vsc8584_csr_write(bus, phy0, 0x168a, 0x00039fa2); + vsc8584_csr_write(bus, phy0, 0x1690, 0x0020640b); + vsc8584_csr_write(bus, phy0, 0x0258, 0x00002220); + vsc8584_csr_write(bus, phy0, 0x025a, 0x00002a20); + vsc8584_csr_write(bus, phy0, 0x025c, 0x00003060); + vsc8584_csr_write(bus, phy0, 0x025e, 0x00003fa0); + vsc8584_csr_write(bus, phy0, 0x03a6, 0x0000e0f0); + vsc8584_csr_write(bus, phy0, 0x0f92, 0x00001489); + vsc8584_csr_write(bus, phy0, 0x16a2, 0x00007000); + vsc8584_csr_write(bus, phy0, 0x16a6, 0x00071448); + vsc8584_csr_write(bus, phy0, 0x16a0, 0x00eeffdd); + vsc8584_csr_write(bus, phy0, 0x0fe8, 0x0091b06c); + vsc8584_csr_write(bus, phy0, 0x0fea, 0x00041600); + vsc8584_csr_write(bus, phy0, 0x16b0, 0x00eeff00); + vsc8584_csr_write(bus, phy0, 0x16b2, 0x00007000); + vsc8584_csr_write(bus, phy0, 0x16b4, 0x00000814); + vsc8584_csr_write(bus, phy0, 0x0f90, 0x00688980); + vsc8584_csr_write(bus, phy0, 0x03a4, 0x0000d8f0); + vsc8584_csr_write(bus, phy0, 0x0fc0, 0x00000400); + vsc8584_csr_write(bus, phy0, 0x07fa, 0x0050100f); + vsc8584_csr_write(bus, phy0, 0x0796, 0x00000003); + vsc8584_csr_write(bus, phy0, 0x07f8, 0x00c3ff98); + vsc8584_csr_write(bus, phy0, 0x0fa4, 0x0018292a); + vsc8584_csr_write(bus, phy0, 0x168c, 0x00d2c46f); + vsc8584_csr_write(bus, phy0, 0x17a2, 0x00000620); + vsc8584_csr_write(bus, phy0, 0x16a4, 0x0013132f); + vsc8584_csr_write(bus, phy0, 0x16a8, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x0ffc, 0x00c0a028); + vsc8584_csr_write(bus, phy0, 0x0fec, 0x00901c09); + vsc8584_csr_write(bus, phy0, 0x0fee, 0x0004a6a1); + vsc8584_csr_write(bus, phy0, 0x0ffe, 0x00b01807); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TR); + + vsc8584_csr_write(bus, phy0, 0x0486, 0x0008a518); + vsc8584_csr_write(bus, phy0, 0x0488, 0x006dc696); + vsc8584_csr_write(bus, phy0, 0x048a, 0x00000912); + vsc8584_csr_write(bus, phy0, 0x048e, 0x00000db6); + vsc8584_csr_write(bus, phy0, 0x049c, 0x00596596); + vsc8584_csr_write(bus, phy0, 0x049e, 0x00000514); + vsc8584_csr_write(bus, phy0, 0x04a2, 0x00410280); + vsc8584_csr_write(bus, phy0, 0x04a4, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x04a6, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x04a8, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x04aa, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x04ae, 0x007df7dd); + vsc8584_csr_write(bus, phy0, 0x04b0, 0x006d95d4); + vsc8584_csr_write(bus, phy0, 0x04b2, 0x00492410); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TEST); + + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8); + reg &= ~TR_CLK_DISABLE; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* end of write broadcasting */ + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS); + reg &= ~SMI_BROADCAST_WR_EN; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS, reg); + + ret = vsc8584_get_fw_crc(bus, phy0, + MSCC_VSC8574_REVB_INT8051_FW_START_ADDR, &crc, + fw_patch_vsc8574, + ARRAY_SIZE(fw_patch_vsc8574)); + if (ret) + goto out; + + if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) { + serdes_init = vsc8574_is_serdes_init(bus, phy0); + + if (!serdes_init) { + ret = vsc8584_micro_assert_reset(bus, phy0); + if (ret) { + pr_err("failed to assert reset of micro\n"); + return ret; + } + } + } else { + pr_debug("FW CRC is not the expected one, patching FW\n"); + + serdes_init = false; + + if (vsc8584_patch_fw(bus, phy0, fw_patch_vsc8574, + ARRAY_SIZE(fw_patch_vsc8574))) + pr_warn("failed to patch FW, expect non-optimal device\n"); + } + + if (!serdes_init) { + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_TRAP_ROM_ADDR(1), + MSCC_TRAP_ROM_ADDR_SERDES_INIT); + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PATCH_RAM_ADDR(1), + MSCC_PATCH_RAM_ADDR_SERDES_INIT); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_INT_MEM_CNTL, + EN_PATCH_RAM_TRAP_ADDR(1)); + + vsc8584_micro_deassert_reset(bus, phy0, false); + + ret = vsc8584_get_fw_crc(bus, phy0, + MSCC_VSC8574_REVB_INT8051_FW_START_ADDR, + &crc, fw_patch_vsc8574, + ARRAY_SIZE(fw_patch_vsc8574)); + if (ret) + goto out; + + if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC) + pr_warn("FW CRC after patching is not the expected one, expect non-optimal device\n"); + } + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + ret = vsc8584_cmd(bus, phy0, PROC_CMD_1588_DEFAULT_INIT | + PROC_CMD_PHY_INIT); + +out: + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return ret; +} + +static int vsc8584_config_pre_init(struct phy_device *phydev) +{ + struct mii_dev *bus = phydev->bus; + u16 reg, crc, phy0, addr; + int ret; + + if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) { + pr_warn("VSC8584 revA not officially supported, skipping firmware patching. Use at your own risk.\n"); + return 0; + } + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT1); + addr = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_4); + addr >>= PHY_CNTL_4_ADDR_POS; + + reg = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_ACTIPHY_CNTL); + if (reg & PHY_ADDR_REVERSED) + phy0 = phydev->addr + addr; + else + phy0 = phydev->addr - addr; + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* all writes below are broadcasted to all PHYs in the same package */ + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS); + reg |= SMI_BROADCAST_WR_EN; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS, reg); + + /* + * The below register writes are tweaking analog and electrical + * configuration that were determined through characterization by PHY + * engineers. These don't mean anything more than "these are the best + * values". + */ + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_BYPASS_CONTROL); + reg |= PARALLEL_DET_IGNORE_ADVERTISED; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_BYPASS_CONTROL, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT3); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, + 0x2000); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TEST); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_5, 0x1f20); + + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8); + reg |= TR_CLK_DISABLE; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TR); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0xafa4); + + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18); + reg &= ~0x007f; + reg |= 0x0019; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, 0x8fa4); + + vsc8584_csr_write(bus, phy0, 0x07fa, 0x0050100f); + vsc8584_csr_write(bus, phy0, 0x1688, 0x00049f81); + vsc8584_csr_write(bus, phy0, 0x0f90, 0x00688980); + vsc8584_csr_write(bus, phy0, 0x03a4, 0x0000d8f0); + vsc8584_csr_write(bus, phy0, 0x0fc0, 0x00000400); + vsc8584_csr_write(bus, phy0, 0x0f82, 0x0012b002); + vsc8584_csr_write(bus, phy0, 0x1686, 0x00000004); + vsc8584_csr_write(bus, phy0, 0x168c, 0x00d2c46f); + vsc8584_csr_write(bus, phy0, 0x17a2, 0x00000620); + vsc8584_csr_write(bus, phy0, 0x16a0, 0x00eeffdd); + vsc8584_csr_write(bus, phy0, 0x16a6, 0x00071448); + vsc8584_csr_write(bus, phy0, 0x16a4, 0x0013132f); + vsc8584_csr_write(bus, phy0, 0x16a8, 0x00000000); + vsc8584_csr_write(bus, phy0, 0x0ffc, 0x00c0a028); + vsc8584_csr_write(bus, phy0, 0x0fe8, 0x0091b06c); + vsc8584_csr_write(bus, phy0, 0x0fea, 0x00041600); + vsc8584_csr_write(bus, phy0, 0x0f80, 0x00fffaff); + vsc8584_csr_write(bus, phy0, 0x0fec, 0x00901809); + vsc8584_csr_write(bus, phy0, 0x0ffe, 0x00b01007); + vsc8584_csr_write(bus, phy0, 0x16b0, 0x00eeff00); + vsc8584_csr_write(bus, phy0, 0x16b2, 0x00007000); + vsc8584_csr_write(bus, phy0, 0x16b4, 0x00000814); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TR); + + vsc8584_csr_write(bus, phy0, 0x0486, 0x0008a518); + vsc8584_csr_write(bus, phy0, 0x0488, 0x006dc696); + vsc8584_csr_write(bus, phy0, 0x048a, 0x00000912); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_TEST); + + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8); + reg &= ~TR_CLK_DISABLE; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_TEST_PAGE_8, reg); + + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* end of write broadcasting */ + reg = bus->read(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS); + reg &= ~SMI_BROADCAST_WR_EN; + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_PHY_EXT_CNTL_STATUS, reg); + + ret = vsc8584_get_fw_crc(bus, phy0, + MSCC_VSC8584_REVB_INT8051_FW_START_ADDR, &crc, + fw_patch_vsc8584, + ARRAY_SIZE(fw_patch_vsc8584)); + if (ret) + goto out; + + if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) { + debug("FW CRC is not the expected one, patching FW...\n"); + if (vsc8584_patch_fw(bus, phy0, fw_patch_vsc8584, + ARRAY_SIZE(fw_patch_vsc8584))) + pr_warn("failed to patch FW, expect non-optimal device\n"); + } + + vsc8584_micro_deassert_reset(bus, phy0, false); + + ret = vsc8584_get_fw_crc(bus, phy0, + MSCC_VSC8584_REVB_INT8051_FW_START_ADDR, &crc, + fw_patch_vsc8584, + ARRAY_SIZE(fw_patch_vsc8584)); + if (ret) + goto out; + + if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) + pr_warn("FW CRC after patching is not the expected one, expect non-optimal device\n"); + + ret = vsc8584_micro_assert_reset(bus, phy0); + if (ret) + goto out; + + vsc8584_micro_deassert_reset(bus, phy0, true); + +out: + bus->write(bus, phy0, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return ret; +} + +static int mscc_vsc8531_vsc8541_init_scripts(struct phy_device *phydev) +{ + u16 reg_val; + + /* Set to Access Token Ring Registers */ + phy_write(phydev, MDIO_DEVAD_NONE, + MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR); + + /* Update LinkDetectCtrl default to optimized values */ + /* Determined during Silicon Validation Testing */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_LINKDETCTRL_ADDR | MSCC_PHY_TR_16_READ)); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17); + reg_val = bitfield_replace(reg_val, MSCC_PHY_TR_LINKDETCTRL_POS, + MSCC_PHY_TR_LINKDETCTRL_WIDTH, + MSCC_PHY_TR_LINKDETCTRL_VAL); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_LINKDETCTRL_ADDR | MSCC_PHY_TR_16_WRITE)); + + /* Update VgaThresh100 defaults to optimized values */ + /* Determined during Silicon Validation Testing */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_VGATHRESH100_ADDR | MSCC_PHY_TR_16_READ)); + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18); + reg_val = bitfield_replace(reg_val, MSCC_PHY_TR_VGATHRESH100_POS, + MSCC_PHY_TR_VGATHRESH100_WIDTH, + MSCC_PHY_TR_VGATHRESH100_VAL); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_VGATHRESH100_ADDR | MSCC_PHY_TR_16_WRITE)); + + /* Update VgaGain10 defaults to optimized values */ + /* Determined during Silicon Validation Testing */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_VGAGAIN10_ADDR | MSCC_PHY_TR_16_READ)); + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18); + reg_val = bitfield_replace(reg_val, MSCC_PHY_TR_VGAGAIN10_U_POS, + MSCC_PHY_TR_VGAGAIN10_U_WIDTH, + MSCC_PHY_TR_VGAGAIN10_U_VAL); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_18, reg_val); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17); + reg_val = bitfield_replace(reg_val, MSCC_PHY_TR_VGAGAIN10_L_POS, + MSCC_PHY_TR_VGAGAIN10_L_WIDTH, + MSCC_PHY_TR_VGAGAIN10_L_VAL); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_DATA_17, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_REG_TR_ADDR_16, + (MSCC_PHY_TR_VGAGAIN10_ADDR | MSCC_PHY_TR_16_WRITE)); + + /* Set back to Access Standard Page Registers */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int mscc_parse_status(struct phy_device *phydev) +{ + u16 speed; + u16 mii_reg; + + mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_AUX_CNTRL_STAT_REG); + + if (mii_reg & MIIM_AUX_CNTRL_STAT_F_DUPLEX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + + speed = mii_reg & MIIM_AUX_CNTRL_STAT_SPEED_MASK; + speed = speed >> MIIM_AUX_CNTRL_STAT_SPEED_POS; + + switch (speed) { + case MIIM_AUX_CNTRL_STAT_SPEED_1000M: + phydev->speed = SPEED_1000; + break; + case MIIM_AUX_CNTRL_STAT_SPEED_100M: + phydev->speed = SPEED_100; + break; + case MIIM_AUX_CNTRL_STAT_SPEED_10M: + phydev->speed = SPEED_10; + break; + default: + phydev->speed = SPEED_10; + break; + } + + return 0; +} + +static int mscc_startup(struct phy_device *phydev) +{ + int retval; + + retval = genphy_update_link(phydev); + + if (retval) + return retval; + + return mscc_parse_status(phydev); +} + +static int mscc_phy_soft_reset(struct phy_device *phydev) +{ + int retval = 0; + u16 timeout = MSCC_PHY_RESET_TIMEOUT; + u16 reg_val = 0; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, (reg_val | BMCR_RESET)); + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + + while ((reg_val & BMCR_RESET) && (timeout > 0)) { + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + timeout--; + udelay(1000); /* 1 ms */ + } + + if (timeout == 0) { + printf("MSCC PHY Soft_Reset Error: mac i/f = 0x%x\n", + phydev->interface); + retval = -ETIME; + } + + return retval; +} + +static int vsc8531_vsc8541_mac_config(struct phy_device *phydev) +{ + u16 reg_val = 0; + u16 mac_if = 0; + u16 rx_clk_out = 0; + + /* For VSC8530/31 the only MAC modes are RMII/RGMII. */ + /* For VSC8540/41 the only MAC modes are (G)MII and RMII/RGMII. */ + /* Setup MAC Configuration */ + switch (phydev->interface) { + case PHY_INTERFACE_MODE_MII: + case PHY_INTERFACE_MODE_GMII: + /* Set Reg23.12:11=0 */ + mac_if = MAC_IF_SELECTION_GMII; + /* Set Reg20E2.11=1 */ + rx_clk_out = RX_CLK_OUT_DISABLE; + break; + + case PHY_INTERFACE_MODE_RMII: + /* Set Reg23.12:11=1 */ + mac_if = MAC_IF_SELECTION_RMII; + /* Set Reg20E2.11=0 */ + rx_clk_out = RX_CLK_OUT_NORMAL; + break; + + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + /* Set Reg23.12:11=2 */ + mac_if = MAC_IF_SELECTION_RGMII; + /* Set Reg20E2.11=0 */ + rx_clk_out = RX_CLK_OUT_NORMAL; + break; + + default: + printf("MSCC PHY - INVALID MAC i/f Config: mac i/f = 0x%x\n", + phydev->interface); + return -EINVAL; + } + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, + MSCC_PHY_EXT_PHY_CNTL_1_REG); + /* Set MAC i/f bits Reg23.12:11 */ + reg_val = bitfield_replace(reg_val, MAC_IF_SELECTION_POS, + MAC_IF_SELECTION_WIDTH, mac_if); + /* Update Reg23.12:11 */ + phy_write(phydev, MDIO_DEVAD_NONE, + MSCC_PHY_EXT_PHY_CNTL_1_REG, reg_val); + /* Setup ExtPg_2 Register Access */ + phy_write(phydev, MDIO_DEVAD_NONE, + MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXT2); + /* Read Reg20E2 */ + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, + MSCC_PHY_RGMII_CNTL_REG); + reg_val = bitfield_replace(reg_val, RX_CLK_OUT_POS, + RX_CLK_OUT_WIDTH, rx_clk_out); + /* Update Reg20E2.11 */ + phy_write(phydev, MDIO_DEVAD_NONE, + MSCC_PHY_RGMII_CNTL_REG, reg_val); + /* Before leaving - Change back to Std Page Register Access */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int vsc8531_vsc8541_clkout_config(struct phy_device *phydev) +{ + struct ofnode_phandle_args phandle_args; + u32 clkout_rate = 0; + u16 reg_val; + int retval; + + retval = dev_read_phandle_with_args(phydev->dev, "phy-handle", NULL, + 0, 0, &phandle_args); + if (!retval) + clkout_rate = ofnode_read_u32_default(phandle_args.node, + "vsc8531,clk-out-frequency", 0); + + switch (clkout_rate) { + case 0: + reg_val = 0; + break; + case 25000000: + reg_val = CLKOUT_FREQ_25M | CLKOUT_ENABLE; + break; + case 50000000: + reg_val = CLKOUT_FREQ_50M | CLKOUT_ENABLE; + break; + case 125000000: + reg_val = CLKOUT_FREQ_125M | CLKOUT_ENABLE; + break; + default: + printf("PHY 8530/31 invalid clkout rate %u\n", + clkout_rate); + return -EINVAL; + } + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_CLKOUT_CNTL, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int vsc8531_vsc8541_clk_skew_config(struct phy_device *phydev) +{ + enum vsc_phy_rgmii_skew rx_clk_skew = VSC_PHY_RGMII_DELAY_200_PS; + enum vsc_phy_rgmii_skew tx_clk_skew = VSC_PHY_RGMII_DELAY_200_PS; + u16 reg_val; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + rx_clk_skew = VSC_PHY_RGMII_DELAY_2000_PS; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID || + phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + tx_clk_skew = VSC_PHY_RGMII_DELAY_2000_PS; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG); + + /* Reg20E2 - Update RGMII RX_Clk Skews. */ + reg_val = bitfield_replace(reg_val, RGMII_RX_CLK_DELAY_POS, + RGMII_RX_CLK_DELAY_WIDTH, rx_clk_skew); + /* Reg20E2 - Update RGMII TX_Clk Skews. */ + reg_val = bitfield_replace(reg_val, RGMII_TX_CLK_DELAY_POS, + RGMII_TX_CLK_DELAY_WIDTH, tx_clk_skew); + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_RGMII_CNTL_REG, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + return 0; +} + +static int vsc8531_config(struct phy_device *phydev) +{ + int retval = -EINVAL; + u16 reg_val; + u16 rmii_clk_out; + enum vsc_phy_clk_slew edge_rate = VSC_PHY_CLK_SLEW_RATE_4; + + /* For VSC8530/31 and VSC8540/41 the init scripts are the same */ + mscc_vsc8531_vsc8541_init_scripts(phydev); + + /* For VSC8530/31 the only MAC modes are RMII/RGMII. */ + switch (phydev->interface) { + case PHY_INTERFACE_MODE_RMII: + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: + retval = vsc8531_vsc8541_mac_config(phydev); + if (retval != 0) + return retval; + + retval = mscc_phy_soft_reset(phydev); + if (retval != 0) + return retval; + break; + default: + printf("PHY 8530/31 MAC i/f Config Error: mac i/f = 0x%x\n", + phydev->interface); + return -EINVAL; + } + /* Default RMII Clk Output to 0=OFF/1=ON */ + rmii_clk_out = 0; + + retval = vsc8531_vsc8541_clk_skew_config(phydev); + if (retval != 0) + return retval; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL); + /* Reg27E2 - Update Clk Slew Rate. */ + reg_val = bitfield_replace(reg_val, EDGE_RATE_CNTL_POS, + EDGE_RATE_CNTL_WIDTH, edge_rate); + /* Reg27E2 - Update RMII Clk Out. */ + reg_val = bitfield_replace(reg_val, RMII_CLK_OUT_ENABLE_POS, + RMII_CLK_OUT_ENABLE_WIDTH, rmii_clk_out); + /* Update Reg27E2 */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* Configure the clk output */ + retval = vsc8531_vsc8541_clkout_config(phydev); + if (retval != 0) + return retval; + + return genphy_config_aneg(phydev); +} + +static int vsc8541_config(struct phy_device *phydev) +{ + int retval = -EINVAL; + u16 reg_val; + u16 rmii_clk_out; + enum vsc_phy_clk_slew edge_rate = VSC_PHY_CLK_SLEW_RATE_4; + + /* For VSC8530/31 and VSC8540/41 the init scripts are the same */ + mscc_vsc8531_vsc8541_init_scripts(phydev); + + /* For VSC8540/41 the only MAC modes are (G)MII and RMII/RGMII. */ + switch (phydev->interface) { + case PHY_INTERFACE_MODE_MII: + case PHY_INTERFACE_MODE_GMII: + case PHY_INTERFACE_MODE_RMII: + case PHY_INTERFACE_MODE_RGMII: + retval = vsc8531_vsc8541_mac_config(phydev); + if (retval != 0) + return retval; + + retval = mscc_phy_soft_reset(phydev); + if (retval != 0) + return retval; + break; + default: + printf("PHY 8541 MAC i/f config Error: mac i/f = 0x%x\n", + phydev->interface); + return -EINVAL; + } + /* Default RMII Clk Output to 0=OFF/1=ON */ + rmii_clk_out = 0; + + retval = vsc8531_vsc8541_clk_skew_config(phydev); + if (retval != 0) + return retval; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT2); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL); + /* Reg27E2 - Update Clk Slew Rate. */ + reg_val = bitfield_replace(reg_val, EDGE_RATE_CNTL_POS, + EDGE_RATE_CNTL_WIDTH, edge_rate); + /* Reg27E2 - Update RMII Clk Out. */ + reg_val = bitfield_replace(reg_val, RMII_CLK_OUT_ENABLE_POS, + RMII_CLK_OUT_ENABLE_WIDTH, rmii_clk_out); + /* Update Reg27E2 */ + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_WOL_MAC_CONTROL, reg_val); + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + + /* Configure the clk output */ + retval = vsc8531_vsc8541_clkout_config(phydev); + if (retval != 0) + return retval; + + return genphy_config_aneg(phydev); +} + +static int vsc8584_config_init(struct phy_device *phydev) +{ + struct vsc85xx_priv *priv = phydev->priv; + int ret; + u16 addr; + u16 reg_val; + u16 val; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_EXT1); + addr = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_4); + addr >>= PHY_CNTL_4_ADDR_POS; + + ret = priv->config_pre(phydev); + if (ret) + return ret; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_GPIO); + + if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) + val = MAC_CFG_QSGMII; + else + val = MAC_CFG_SGMII; + + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, MSCC_PHY_MAC_CFG_FASTLINK); + reg_val &= ~MAC_CFG_MASK; + reg_val |= val; + ret = phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_MAC_CFG_FASTLINK, + reg_val); + if (ret) + return ret; + + reg_val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT | + PROC_CMD_READ_MOD_WRITE_PORT; + if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) + reg_val |= PROC_CMD_QSGMII_MAC; + else + reg_val |= PROC_CMD_SGMII_MAC; + + ret = vsc8584_cmd(phydev->bus, phydev->addr, reg_val); + if (ret) + return ret; + + mdelay(10); + + /* Disable SerDes for 100Base-FX */ + ret = vsc8584_cmd(phydev->bus, phydev->addr, PROC_CMD_FIBER_MEDIA_CONF | + PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE | + PROC_CMD_READ_MOD_WRITE_PORT | + PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX); + if (ret) + return ret; + + /* Disable SerDes for 1000Base-X */ + ret = vsc8584_cmd(phydev->bus, phydev->addr, PROC_CMD_FIBER_MEDIA_CONF | + PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE | + PROC_CMD_READ_MOD_WRITE_PORT | + PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X); + if (ret) + return ret; + + phy_write(phydev, MDIO_DEVAD_NONE, MSCC_EXT_PAGE_ACCESS, + MSCC_PHY_PAGE_STD); + reg_val = phy_read(phydev, MDIO_DEVAD_NONE, + MSCC_PHY_EXT_PHY_CNTL_1_REG); + reg_val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK); + reg_val |= MEDIA_OP_MODE_COPPER | + (VSC8584_MAC_IF_SELECTION_SGMII << + VSC8584_MAC_IF_SELECTION_POS); + ret = phy_write(phydev, MDIO_DEVAD_NONE, MSCC_PHY_EXT_PHY_CNTL_1_REG, + reg_val); + + ret = mscc_phy_soft_reset(phydev); + if (ret != 0) + return ret; + + return genphy_config(phydev); +} + +static struct vsc85xx_priv vsc8574_priv = { + .config_pre = vsc8574_config_pre_init, +}; + +static int vsc8574_config(struct phy_device *phydev) +{ + phydev->priv = &vsc8574_priv; + + return vsc8584_config_init(phydev); +} + +static struct vsc85xx_priv vsc8584_priv = { + .config_pre = vsc8584_config_pre_init, +}; + +static int vsc8584_config(struct phy_device *phydev) +{ + phydev->priv = &vsc8584_priv; + + return vsc8584_config_init(phydev); +} + +static struct phy_driver VSC8530_driver = { + .name = "Microsemi VSC8530", + .uid = PHY_ID_VSC8530, + .mask = 0x000ffff0, + .features = PHY_BASIC_FEATURES, + .config = &vsc8531_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver VSC8531_driver = { + .name = "Microsemi VSC8531", + .uid = PHY_ID_VSC8531, + .mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config = &vsc8531_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver VSC8540_driver = { + .name = "Microsemi VSC8540", + .uid = PHY_ID_VSC8540, + .mask = 0x000ffff0, + .features = PHY_BASIC_FEATURES, + .config = &vsc8541_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver VSC8541_driver = { + .name = "Microsemi VSC8541", + .uid = PHY_ID_VSC8541, + .mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config = &vsc8541_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver VSC8574_driver = { + .name = "Microsemi VSC8574", + .uid = PHY_ID_VSC8574, + .mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config = &vsc8574_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +static struct phy_driver VSC8584_driver = { + .name = "Microsemi VSC8584", + .uid = PHY_ID_VSC8584, + .mask = 0x000ffff0, + .features = PHY_GBIT_FEATURES, + .config = &vsc8584_config, + .startup = &mscc_startup, + .shutdown = &genphy_shutdown, +}; + +int phy_mscc_init(void) +{ + phy_register(&VSC8530_driver); + phy_register(&VSC8531_driver); + phy_register(&VSC8540_driver); + phy_register(&VSC8541_driver); + phy_register(&VSC8574_driver); + phy_register(&VSC8584_driver); + + return 0; +} |