/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ /* * Northstar Plus switch SerDes/SGMII PHY definitions * * Copyright (C) 2018 Florian Fainelli */ #include #include /* Non-standard page used to access SerDes PHY registers on NorthStar Plus */ #define B53_SERDES_PAGE 0x16 #define B53_SERDES_BLKADDR 0x3e #define B53_SERDES_LANE 0x3c #define B53_SERDES_ID0 0x20 #define SERDES_ID0_MODEL_MASK 0x3f #define SERDES_ID0_REV_NUM_SHIFT 11 #define SERDES_ID0_REV_NUM_MASK 0x7 #define SERDES_ID0_REV_LETTER_SHIFT 14 #define B53_SERDES_MII_REG(x) (0x20 + (x) * 2) #define B53_SERDES_DIGITAL_CONTROL(x) (0x1e + (x) * 2) #define B53_SERDES_DIGITAL_STATUS 0x28 /* SERDES_DIGITAL_CONTROL1 */ #define FIBER_MODE_1000X BIT(0) #define TBI_INTERFACE BIT(1) #define SIGNAL_DETECT_EN BIT(2) #define INVERT_SIGNAL_DETECT BIT(3) #define AUTODET_EN BIT(4) #define SGMII_MASTER_MODE BIT(5) #define DISABLE_DLL_PWRDOWN BIT(6) #define CRC_CHECKER_DIS BIT(7) #define COMMA_DET_EN BIT(8) #define ZERO_COMMA_DET_EN BIT(9) #define REMOTE_LOOPBACK BIT(10) #define SEL_RX_PKTS_FOR_CNTR BIT(11) #define MASTER_MDIO_PHY_SEL BIT(13) #define DISABLE_SIGNAL_DETECT_FLT BIT(14) /* SERDES_DIGITAL_CONTROL2 */ #define EN_PARALLEL_DET BIT(0) #define DIS_FALSE_LINK BIT(1) #define FLT_FORCE_LINK BIT(2) #define EN_AUTONEG_ERR_TIMER BIT(3) #define DIS_REMOTE_FAULT_SENSING BIT(4) #define FORCE_XMIT_DATA BIT(5) #define AUTONEG_FAST_TIMERS BIT(6) #define DIS_CARRIER_EXTEND BIT(7) #define DIS_TRRR_GENERATION BIT(8) #define BYPASS_PCS_RX BIT(9) #define BYPASS_PCS_TX BIT(10) #define TEST_CNTR_EN BIT(11) #define TX_PACKET_SEQ_TEST BIT(12) #define TX_IDLE_JAM_SEQ_TEST BIT(13) #define CLR_BER_CNTR BIT(14) /* SERDES_DIGITAL_CONTROL3 */ #define TX_FIFO_RST BIT(0) #define FIFO_ELAST_TX_RX_SHIFT 1 #define FIFO_ELAST_TX_RX_5K 0 #define FIFO_ELAST_TX_RX_10K 1 #define FIFO_ELAST_TX_RX_13_5K 2 #define FIFO_ELAST_TX_RX_18_5K 3 #define BLOCK_TXEN_MODE BIT(9) #define JAM_FALSE_CARRIER_MODE BIT(10) #define EXT_PHY_CRS_MODE BIT(11) #define INVERT_EXT_PHY_CRS BIT(12) #define DISABLE_TX_CRS BIT(13) /* SERDES_DIGITAL_STATUS */ #define SGMII_MODE BIT(0) #define LINK_STATUS BIT(1) #define DUPLEX_STATUS BIT(2) #define SPEED_STATUS_SHIFT 3 #define SPEED_STATUS_10 0 #define SPEED_STATUS_100 1 #define SPEED_STATUS_1000 2 #define SPEED_STATUS_2500 3 #define SPEED_STATUS_MASK SPEED_STATUS_2500 #define PAUSE_RESOLUTION_TX_SIDE BIT(5) #define PAUSE_RESOLUTION_RX_SIDE BIT(6) #define LINK_STATUS_CHANGE BIT(7) #define EARLY_END_EXT_DET BIT(8) #define CARRIER_EXT_ERR_DET BIT(9) #define RX_ERR_DET BIT(10) #define TX_ERR_DET BIT(11) #define CRC_ERR_DET BIT(12) #define FALSE_CARRIER_ERR_DET BIT(13) #define RXFIFO_ERR_DET BIT(14) #define TXFIFO_ERR_DET BIT(15) /* Block offsets */ #define SERDES_DIGITAL_BLK 0x8300 #define SERDES_ID0 0x8310 #define SERDES_MII_BLK 0xffe0 #define SERDES_XGXSBLK0_BLOCKADDRESS 0xffd0 struct phylink_link_state; static inline u8 b53_serdes_map_lane(struct b53_device *dev, int port) { if (!dev->ops->serdes_map_lane) return B53_INVALID_LANE; return dev->ops->serdes_map_lane(dev, port); } int b53_serdes_get_link(struct b53_device *dev, int port); int b53_serdes_link_state(struct b53_device *dev, int port, struct phylink_link_state *state); void b53_serdes_config(struct b53_device *dev, int port, unsigned int mode, const struct phylink_link_state *state); void b53_serdes_an_restart(struct b53_device *dev, int port); void b53_serdes_link_set(struct b53_device *dev, int port, unsigned int mode, phy_interface_t interface, bool link_up); void b53_serdes_phylink_validate(struct b53_device *dev, int port, unsigned long *supported, struct phylink_link_state *state); #if IS_ENABLED(CONFIG_B53_SERDES) int b53_serdes_init(struct b53_device *dev, int port); #else static inline int b53_serdes_init(struct b53_device *dev, int port) { return -ENODEV; } #endif