| /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */ |
| /* |
| * Northstar Plus switch SerDes/SGMII PHY definitions |
| * |
| * Copyright (C) 2018 Florian Fainelli <f.fainelli@gmail.com> |
| */ |
| |
| #include <linux/phy.h> |
| #include <linux/types.h> |
| |
| /* 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 |
