| /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ |
| /* |
| * Driver for Microsemi VSC85xx PHYs |
| * |
| * Copyright (c) 2016 Microsemi Corporation |
| */ |
| |
| #ifndef _MSCC_PHY_H_ |
| #define _MSCC_PHY_H_ |
| |
| #if IS_ENABLED(CONFIG_MACSEC) |
| #include "mscc_macsec.h" |
| #endif |
| |
| enum rgmii_clock_delay { |
| RGMII_CLK_DELAY_0_2_NS = 0, |
| RGMII_CLK_DELAY_0_8_NS = 1, |
| RGMII_CLK_DELAY_1_1_NS = 2, |
| RGMII_CLK_DELAY_1_7_NS = 3, |
| RGMII_CLK_DELAY_2_0_NS = 4, |
| RGMII_CLK_DELAY_2_3_NS = 5, |
| RGMII_CLK_DELAY_2_6_NS = 6, |
| RGMII_CLK_DELAY_3_4_NS = 7 |
| }; |
| |
| /* Microsemi VSC85xx PHY registers */ |
| /* IEEE 802. Std Registers */ |
| #define MSCC_PHY_BYPASS_CONTROL 18 |
| #define DISABLE_HP_AUTO_MDIX_MASK 0x0080 |
| #define DISABLE_PAIR_SWAP_CORR_MASK 0x0020 |
| #define DISABLE_POLARITY_CORR_MASK 0x0010 |
| #define PARALLEL_DET_IGNORE_ADVERTISED 0x0008 |
| |
| #define MSCC_PHY_EXT_CNTL_STATUS 22 |
| #define SMI_BROADCAST_WR_EN 0x0001 |
| |
| #define MSCC_PHY_ERR_RX_CNT 19 |
| #define MSCC_PHY_ERR_FALSE_CARRIER_CNT 20 |
| #define MSCC_PHY_ERR_LINK_DISCONNECT_CNT 21 |
| #define ERR_CNT_MASK GENMASK(7, 0) |
| |
| #define MSCC_PHY_EXT_PHY_CNTL_1 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 VSC8584_MAC_IF_SELECTION_MASK 0x1000 |
| #define VSC8584_MAC_IF_SELECTION_SGMII 0 |
| #define VSC8584_MAC_IF_SELECTION_1000BASEX 1 |
| #define VSC8584_MAC_IF_SELECTION_POS 12 |
| #define FAR_END_LOOPBACK_MODE_MASK 0x0008 |
| #define MEDIA_OP_MODE_MASK 0x0700 |
| #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 |
| |
| #define MSCC_PHY_EXT_PHY_CNTL_2 24 |
| |
| #define MII_VSC85XX_INT_MASK 25 |
| #define MII_VSC85XX_INT_MASK_MDINT BIT(15) |
| #define MII_VSC85XX_INT_MASK_LINK_CHG BIT(13) |
| #define MII_VSC85XX_INT_MASK_WOL BIT(6) |
| #define MII_VSC85XX_INT_MASK_EXT BIT(5) |
| #define MII_VSC85XX_INT_STATUS 26 |
| |
| #define MII_VSC85XX_INT_MASK_MASK (MII_VSC85XX_INT_MASK_MDINT | \ |
| MII_VSC85XX_INT_MASK_LINK_CHG | \ |
| MII_VSC85XX_INT_MASK_EXT) |
| |
| #define MSCC_PHY_WOL_MAC_CONTROL 27 |
| #define EDGE_RATE_CNTL_POS 5 |
| #define EDGE_RATE_CNTL_MASK 0x00E0 |
| |
| #define MSCC_PHY_DEV_AUX_CNTL 28 |
| #define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000 |
| |
| #define MSCC_PHY_LED_MODE_SEL 29 |
| #define LED_MODE_SEL_POS(x) ((x) * 4) |
| #define LED_MODE_SEL_MASK(x) (GENMASK(3, 0) << LED_MODE_SEL_POS(x)) |
| #define LED_MODE_SEL(x, mode) (((mode) << LED_MODE_SEL_POS(x)) & LED_MODE_SEL_MASK(x)) |
| |
| #define MSCC_EXT_PAGE_CSR_CNTL_17 17 |
| #define MSCC_EXT_PAGE_CSR_CNTL_18 18 |
| |
| #define MSCC_EXT_PAGE_CSR_CNTL_19 19 |
| #define MSCC_PHY_CSR_CNTL_19_REG_ADDR(x) (x) |
| #define MSCC_PHY_CSR_CNTL_19_TARGET(x) ((x) << 12) |
| #define MSCC_PHY_CSR_CNTL_19_READ BIT(14) |
| #define MSCC_PHY_CSR_CNTL_19_CMD BIT(15) |
| |
| #define MSCC_EXT_PAGE_CSR_CNTL_20 20 |
| #define MSCC_PHY_CSR_CNTL_20_TARGET(x) (x) |
| |
| #define PHY_MCB_TARGET 0x07 |
| #define PHY_MCB_S6G_WRITE BIT(31) |
| #define PHY_MCB_S6G_READ BIT(30) |
| |
| #define PHY_S6G_PLL5G_CFG0 0x06 |
| #define PHY_S6G_LCPLL_CFG 0x11 |
| #define PHY_S6G_PLL_CFG 0x2b |
| #define PHY_S6G_COMMON_CFG 0x2c |
| #define PHY_S6G_GPC_CFG 0x2e |
| #define PHY_S6G_MISC_CFG 0x3b |
| #define PHY_MCB_S6G_CFG 0x3f |
| #define PHY_S6G_DFT_CFG2 0x3e |
| #define PHY_S6G_PLL_STATUS 0x31 |
| #define PHY_S6G_IB_STATUS0 0x2f |
| |
| #define PHY_S6G_SYS_RST_POS 31 |
| #define PHY_S6G_ENA_LANE_POS 18 |
| #define PHY_S6G_ENA_LOOP_POS 8 |
| #define PHY_S6G_QRATE_POS 6 |
| #define PHY_S6G_IF_MODE_POS 4 |
| #define PHY_S6G_PLL_ENA_OFFS_POS 21 |
| #define PHY_S6G_PLL_FSM_CTRL_DATA_POS 8 |
| #define PHY_S6G_PLL_FSM_ENA_POS 7 |
| |
| #define MSCC_EXT_PAGE_ACCESS 31 |
| #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_EXTENDED_3 0x0003 /* Extended reg - page 3 */ |
| #define MSCC_PHY_PAGE_EXTENDED_4 0x0004 /* Extended reg - page 4 */ |
| #define MSCC_PHY_PAGE_CSR_CNTL MSCC_PHY_PAGE_EXTENDED_4 |
| #define MSCC_PHY_PAGE_MACSEC MSCC_PHY_PAGE_EXTENDED_4 |
| /* Extended reg - GPIO; this is a bank of registers that are shared for all PHYs |
| * in the same package. |
| */ |
| #define MSCC_PHY_PAGE_EXTENDED_GPIO 0x0010 /* Extended reg - GPIO */ |
| #define MSCC_PHY_PAGE_1588 0x1588 /* PTP (1588) */ |
| #define MSCC_PHY_PAGE_TEST 0x2a30 /* Test reg */ |
| #define MSCC_PHY_PAGE_TR 0x52b5 /* Token ring registers */ |
| |
| /* Extended Page 1 Registers */ |
| #define MSCC_PHY_CU_MEDIA_CRC_VALID_CNT 18 |
| #define VALID_CRC_CNT_CRC_MASK GENMASK(13, 0) |
| |
| #define MSCC_PHY_EXT_MODE_CNTL 19 |
| #define FORCE_MDI_CROSSOVER_MASK 0x000C |
| #define FORCE_MDI_CROSSOVER_MDIX 0x000C |
| #define FORCE_MDI_CROSSOVER_MDI 0x0008 |
| |
| #define MSCC_PHY_ACTIPHY_CNTL 20 |
| #define PHY_ADDR_REVERSED 0x0200 |
| #define DOWNSHIFT_CNTL_MASK 0x001C |
| #define DOWNSHIFT_EN 0x0010 |
| #define DOWNSHIFT_CNTL_POS 2 |
| |
| #define MSCC_PHY_EXT_PHY_CNTL_4 23 |
| #define PHY_CNTL_4_ADDR_POS 11 |
| |
| #define MSCC_PHY_VERIPHY_CNTL_2 25 |
| |
| #define MSCC_PHY_VERIPHY_CNTL_3 26 |
| |
| /* Extended Page 2 Registers */ |
| #define MSCC_PHY_CU_PMD_TX_CNTL 16 |
| |
| /* RGMII setting controls at address 18E2, for VSC8572 and similar */ |
| #define VSC8572_RGMII_CNTL 18 |
| #define VSC8572_RGMII_RX_DELAY_MASK 0x000E |
| #define VSC8572_RGMII_TX_DELAY_MASK 0x0070 |
| |
| /* RGMII controls at address 20E2, for VSC8502 and similar */ |
| #define VSC8502_RGMII_CNTL 20 |
| #define VSC8502_RGMII_RX_DELAY_MASK 0x0070 |
| #define VSC8502_RGMII_TX_DELAY_MASK 0x0007 |
| |
| #define MSCC_PHY_WOL_LOWER_MAC_ADDR 21 |
| #define MSCC_PHY_WOL_MID_MAC_ADDR 22 |
| #define MSCC_PHY_WOL_UPPER_MAC_ADDR 23 |
| #define MSCC_PHY_WOL_LOWER_PASSWD 24 |
| #define MSCC_PHY_WOL_MID_PASSWD 25 |
| #define MSCC_PHY_WOL_UPPER_PASSWD 26 |
| |
| #define MSCC_PHY_WOL_MAC_CONTROL 27 |
| #define SECURE_ON_ENABLE 0x8000 |
| #define SECURE_ON_PASSWD_LEN_4 0x4000 |
| |
| #define MSCC_PHY_EXTENDED_INT 28 |
| #define MSCC_PHY_EXTENDED_INT_MS_EGR BIT(9) |
| |
| /* Extended Page 3 Registers */ |
| #define MSCC_PHY_SERDES_TX_VALID_CNT 21 |
| #define MSCC_PHY_SERDES_TX_CRC_ERR_CNT 22 |
| #define MSCC_PHY_SERDES_RX_VALID_CNT 28 |
| #define MSCC_PHY_SERDES_RX_CRC_ERR_CNT 29 |
| |
| /* Extended page GPIO Registers */ |
| #define MSCC_DW8051_CNTL_STATUS 0 |
| #define MICRO_NSOFT_RESET 0x8000 |
| #define RUN_FROM_INT_ROM 0x4000 |
| #define AUTOINC_ADDR 0x2000 |
| #define PATCH_RAM_CLK 0x1000 |
| #define MICRO_PATCH_EN 0x0080 |
| #define DW8051_CLK_EN 0x0010 |
| #define MICRO_CLK_EN 0x0008 |
| #define MICRO_CLK_DIVIDE(x) ((x) >> 1) |
| #define MSCC_DW8051_VLD_MASK 0xf1ff |
| |
| /* x Address in range 1-4 */ |
| #define MSCC_TRAP_ROM_ADDR(x) ((x) * 2 + 1) |
| #define MSCC_PATCH_RAM_ADDR(x) (((x) + 1) * 2) |
| #define MSCC_INT_MEM_ADDR 11 |
| |
| #define MSCC_INT_MEM_CNTL 12 |
| #define READ_SFR 0x6000 |
| #define READ_PRAM 0x4000 |
| #define READ_ROM 0x2000 |
| #define READ_RAM 0x0000 |
| #define INT_MEM_WRITE_EN 0x1000 |
| #define EN_PATCH_RAM_TRAP_ADDR(x) (0x0100 << ((x) - 1)) |
| #define INT_MEM_DATA_M 0x00ff |
| #define INT_MEM_DATA(x) (INT_MEM_DATA_M & (x)) |
| |
| #define MSCC_PHY_PROC_CMD 18 |
| #define PROC_CMD_NCOMPLETED 0x8000 |
| #define PROC_CMD_FAILED 0x4000 |
| #define PROC_CMD_SGMII_PORT(x) ((x) << 8) |
| #define PROC_CMD_FIBER_PORT(x) (0x0100 << (x) % 4) |
| #define PROC_CMD_QSGMII_PORT 0x0c00 |
| #define PROC_CMD_RST_CONF_PORT 0x0080 |
| #define PROC_CMD_RECONF_PORT 0x0000 |
| #define PROC_CMD_READ_MOD_WRITE_PORT 0x0040 |
| #define PROC_CMD_WRITE 0x0040 |
| #define PROC_CMD_READ 0x0000 |
| #define PROC_CMD_FIBER_DISABLE 0x0020 |
| #define PROC_CMD_FIBER_100BASE_FX 0x0010 |
| #define PROC_CMD_FIBER_1000BASE_X 0x0000 |
| #define PROC_CMD_SGMII_MAC 0x0030 |
| #define PROC_CMD_QSGMII_MAC 0x0020 |
| #define PROC_CMD_NO_MAC_CONF 0x0000 |
| #define PROC_CMD_1588_DEFAULT_INIT 0x0010 |
| #define PROC_CMD_NOP 0x000f |
| #define PROC_CMD_PHY_INIT 0x000a |
| #define PROC_CMD_CRC16 0x0008 |
| #define PROC_CMD_FIBER_MEDIA_CONF 0x0001 |
| #define PROC_CMD_MCB_ACCESS_MAC_CONF 0x0000 |
| #define PROC_CMD_NCOMPLETED_TIMEOUT_MS 500 |
| |
| #define MSCC_PHY_MAC_CFG_FASTLINK 19 |
| #define MAC_CFG_MASK 0xc000 |
| #define MAC_CFG_SGMII 0x0000 |
| #define MAC_CFG_QSGMII 0x4000 |
| #define MAC_CFG_RGMII 0x8000 |
| |
| /* Test page Registers */ |
| #define MSCC_PHY_TEST_PAGE_5 5 |
| #define MSCC_PHY_TEST_PAGE_8 8 |
| #define TR_CLK_DISABLE 0x8000 |
| #define MSCC_PHY_TEST_PAGE_9 9 |
| #define MSCC_PHY_TEST_PAGE_20 20 |
| #define MSCC_PHY_TEST_PAGE_24 24 |
| |
| /* 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 |
| * Code assumes lowest nibble is 0 |
| */ |
| #define PHY_ID_VSC8502 0x00070630 |
| #define PHY_ID_VSC8504 0x000704c0 |
| #define PHY_ID_VSC8514 0x00070670 |
| #define PHY_ID_VSC8530 0x00070560 |
| #define PHY_ID_VSC8531 0x00070570 |
| #define PHY_ID_VSC8540 0x00070760 |
| #define PHY_ID_VSC8541 0x00070770 |
| #define PHY_ID_VSC8552 0x000704e0 |
| #define PHY_ID_VSC856X 0x000707e0 |
| #define PHY_ID_VSC8572 0x000704d0 |
| #define PHY_ID_VSC8574 0x000704a0 |
| #define PHY_ID_VSC8575 0x000707d0 |
| #define PHY_ID_VSC8582 0x000707b0 |
| #define PHY_ID_VSC8584 0x000707c0 |
| |
| #define MSCC_VDDMAC_1500 1500 |
| #define MSCC_VDDMAC_1800 1800 |
| #define MSCC_VDDMAC_2500 2500 |
| #define MSCC_VDDMAC_3300 3300 |
| |
| #define DOWNSHIFT_COUNT_MAX 5 |
| |
| #define MAX_LEDS 4 |
| |
| #define VSC8584_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \ |
| BIT(VSC8531_LINK_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_100_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_ACTIVITY) | \ |
| BIT(VSC8531_LINK_100_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_100_ACTIVITY) | \ |
| BIT(VSC8584_LINK_100FX_1000X_ACTIVITY) | \ |
| BIT(VSC8531_DUPLEX_COLLISION) | \ |
| BIT(VSC8531_COLLISION) | \ |
| BIT(VSC8531_ACTIVITY) | \ |
| BIT(VSC8584_100FX_1000X_ACTIVITY) | \ |
| BIT(VSC8531_AUTONEG_FAULT) | \ |
| BIT(VSC8531_SERIAL_MODE) | \ |
| BIT(VSC8531_FORCE_LED_OFF) | \ |
| BIT(VSC8531_FORCE_LED_ON)) |
| |
| #define VSC85XX_SUPP_LED_MODES (BIT(VSC8531_LINK_ACTIVITY) | \ |
| BIT(VSC8531_LINK_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_100_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_ACTIVITY) | \ |
| BIT(VSC8531_LINK_100_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_1000_ACTIVITY) | \ |
| BIT(VSC8531_LINK_10_100_ACTIVITY) | \ |
| BIT(VSC8531_DUPLEX_COLLISION) | \ |
| BIT(VSC8531_COLLISION) | \ |
| BIT(VSC8531_ACTIVITY) | \ |
| BIT(VSC8531_AUTONEG_FAULT) | \ |
| BIT(VSC8531_SERIAL_MODE) | \ |
| BIT(VSC8531_FORCE_LED_OFF) | \ |
| BIT(VSC8531_FORCE_LED_ON)) |
| |
| #define MSCC_VSC8584_REVB_INT8051_FW "microchip/mscc_vsc8584_revb_int8051_fb48.bin" |
| #define MSCC_VSC8584_REVB_INT8051_FW_START_ADDR 0xe800 |
| #define MSCC_VSC8584_REVB_INT8051_FW_CRC 0xfb48 |
| |
| #define MSCC_VSC8574_REVB_INT8051_FW "microchip/mscc_vsc8574_revb_int8051_29e8.bin" |
| #define MSCC_VSC8574_REVB_INT8051_FW_START_ADDR 0x4000 |
| #define MSCC_VSC8574_REVB_INT8051_FW_CRC 0x29e8 |
| |
| #define VSC8584_REVB 0x0001 |
| #define MSCC_DEV_REV_MASK GENMASK(3, 0) |
| |
| struct reg_val { |
| u16 reg; |
| u32 val; |
| }; |
| |
| struct vsc85xx_hw_stat { |
| const char *string; |
| u8 reg; |
| u16 page; |
| u16 mask; |
| }; |
| |
| struct vsc8531_private { |
| int rate_magic; |
| u16 supp_led_modes; |
| u32 leds_mode[MAX_LEDS]; |
| u8 nleds; |
| const struct vsc85xx_hw_stat *hw_stats; |
| u64 *stats; |
| int nstats; |
| /* PHY address within the package. */ |
| u8 addr; |
| /* For multiple port PHYs; the MDIO address of the base PHY in the |
| * package. |
| */ |
| unsigned int base_addr; |
| |
| #if IS_ENABLED(CONFIG_MACSEC) |
| /* MACsec fields: |
| * - One SecY per device (enforced at the s/w implementation level) |
| * - macsec_flows: list of h/w flows |
| * - ingr_flows: bitmap of ingress flows |
| * - egr_flows: bitmap of egress flows |
| */ |
| struct macsec_secy *secy; |
| struct list_head macsec_flows; |
| unsigned long ingr_flows; |
| unsigned long egr_flows; |
| #endif |
| |
| struct mii_timestamper mii_ts; |
| |
| bool input_clk_init; |
| struct vsc85xx_ptp *ptp; |
| /* LOAD/SAVE GPIO pin, used for retrieving or setting time to the PHC. */ |
| struct gpio_desc *load_save; |
| |
| /* For multiple port PHYs; the MDIO address of the base PHY in the |
| * pair of two PHYs that share a 1588 engine. PHY0 and PHY2 are coupled. |
| * PHY1 and PHY3 as well. PHY0 and PHY1 are base PHYs for their |
| * respective pair. |
| */ |
| unsigned int ts_base_addr; |
| u8 ts_base_phy; |
| |
| /* ts_lock: used for per-PHY timestamping operations. |
| * phc_lock: used for per-PHY PHC opertations. |
| */ |
| struct mutex ts_lock; |
| struct mutex phc_lock; |
| }; |
| |
| /* Shared structure between the PHYs of the same package. |
| * gpio_lock: used for PHC operations. Common for all PHYs as the load/save GPIO |
| * is shared. |
| */ |
| struct vsc85xx_shared_private { |
| struct mutex gpio_lock; |
| }; |
| |
| #if IS_ENABLED(CONFIG_OF_MDIO) |
| struct vsc8531_edge_rate_table { |
| u32 vddmac; |
| u32 slowdown[8]; |
| }; |
| #endif /* CONFIG_OF_MDIO */ |
| |
| #if IS_ENABLED(CONFIG_MACSEC) |
| int vsc8584_macsec_init(struct phy_device *phydev); |
| void vsc8584_handle_macsec_interrupt(struct phy_device *phydev); |
| void vsc8584_config_macsec_intr(struct phy_device *phydev); |
| #else |
| static inline int vsc8584_macsec_init(struct phy_device *phydev) |
| { |
| return 0; |
| } |
| static inline void vsc8584_handle_macsec_interrupt(struct phy_device *phydev) |
| { |
| } |
| static inline void vsc8584_config_macsec_intr(struct phy_device *phydev) |
| { |
| } |
| #endif |
| |
| #if IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING) |
| void vsc85xx_link_change_notify(struct phy_device *phydev); |
| void vsc8584_config_ts_intr(struct phy_device *phydev); |
| int vsc8584_ptp_init(struct phy_device *phydev); |
| int vsc8584_ptp_probe_once(struct phy_device *phydev); |
| int vsc8584_ptp_probe(struct phy_device *phydev); |
| irqreturn_t vsc8584_handle_ts_interrupt(struct phy_device *phydev); |
| #else |
| static inline void vsc85xx_link_change_notify(struct phy_device *phydev) |
| { |
| } |
| static inline void vsc8584_config_ts_intr(struct phy_device *phydev) |
| { |
| } |
| static inline int vsc8584_ptp_init(struct phy_device *phydev) |
| { |
| return 0; |
| } |
| static inline int vsc8584_ptp_probe_once(struct phy_device *phydev) |
| { |
| return 0; |
| } |
| static inline int vsc8584_ptp_probe(struct phy_device *phydev) |
| { |
| return 0; |
| } |
| static inline irqreturn_t vsc8584_handle_ts_interrupt(struct phy_device *phydev) |
| { |
| return IRQ_NONE; |
| } |
| #endif |
| |
| #endif /* _MSCC_PHY_H_ */ |
