/* 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_PLL5G_CFG2 0x08 #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 PHY_S6G_CFG2_FSM_DIS 1 #define PHY_S6G_CFG2_FSM_CLK_BP 23 #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 VSC8502_RGMII_RX_CLK_DISABLE 0x0800 #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 */ enum csr_target { MACRO_CTRL = 0x07, }; #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_ */