diff options
Diffstat (limited to 'drivers/net/phy/nxp-c45-tja11xx.c')
-rw-r--r-- | drivers/net/phy/nxp-c45-tja11xx.c | 1136 |
1 files changed, 863 insertions, 273 deletions
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 029875a59ff8..7ab080ff02df 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -18,24 +18,37 @@ #include <linux/net_tstamp.h> #define PHY_ID_TJA_1103 0x001BB010 - -#define PMAPMD_B100T1_PMAPMD_CTL 0x0834 -#define B100T1_PMAPMD_CONFIG_EN BIT(15) -#define B100T1_PMAPMD_MASTER BIT(14) -#define MASTER_MODE (B100T1_PMAPMD_CONFIG_EN | \ - B100T1_PMAPMD_MASTER) -#define SLAVE_MODE (B100T1_PMAPMD_CONFIG_EN) +#define PHY_ID_TJA_1120 0x001BB031 #define VEND1_DEVICE_CONTROL 0x0040 #define DEVICE_CONTROL_RESET BIT(15) #define DEVICE_CONTROL_CONFIG_GLOBAL_EN BIT(14) #define DEVICE_CONTROL_CONFIG_ALL_EN BIT(13) +#define VEND1_DEVICE_CONFIG 0x0048 + +#define TJA1120_VEND1_EXT_TS_MODE 0x1012 + +#define TJA1120_GLOBAL_INFRA_IRQ_ACK 0x2C08 +#define TJA1120_GLOBAL_INFRA_IRQ_EN 0x2C0A +#define TJA1120_GLOBAL_INFRA_IRQ_STATUS 0x2C0C +#define TJA1120_DEV_BOOT_DONE BIT(1) + +#define TJA1120_VEND1_PTP_TRIG_DATA_S 0x1070 + +#define TJA1120_EGRESS_TS_DATA_S 0x9060 +#define TJA1120_EGRESS_TS_END 0x9067 +#define TJA1120_TS_VALID BIT(0) +#define TJA1120_MORE_TS BIT(15) + #define VEND1_PHY_IRQ_ACK 0x80A0 #define VEND1_PHY_IRQ_EN 0x80A1 #define VEND1_PHY_IRQ_STATUS 0x80A2 #define PHY_IRQ_LINK_EVENT BIT(1) +#define VEND1_ALWAYS_ACCESSIBLE 0x801F +#define FUSA_PASS BIT(4) + #define VEND1_PHY_CONTROL 0x8100 #define PHY_CONFIG_EN BIT(14) #define PHY_START_OP BIT(0) @@ -43,15 +56,16 @@ #define VEND1_PHY_CONFIG 0x8108 #define PHY_CONFIG_AUTO BIT(0) +#define TJA1120_EPHY_RESETS 0x810A +#define EPHY_PCS_RESET BIT(3) + #define VEND1_SIGNAL_QUALITY 0x8320 #define SQI_VALID BIT(14) #define SQI_MASK GENMASK(2, 0) #define MAX_SQI SQI_MASK -#define VEND1_CABLE_TEST 0x8330 #define CABLE_TEST_ENABLE BIT(15) #define CABLE_TEST_START BIT(14) -#define CABLE_TEST_VALID BIT(13) #define CABLE_TEST_OK 0x00 #define CABLE_TEST_SHORTED 0x01 #define CABLE_TEST_OPEN 0x02 @@ -63,6 +77,12 @@ #define VEND1_PORT_ABILITIES 0x8046 #define PTP_ABILITY BIT(3) +#define VEND1_PORT_FUNC_IRQ_EN 0x807A +#define PTP_IRQS BIT(3) + +#define VEND1_PTP_IRQ_ACK 0x9008 +#define EGR_TS_IRQ BIT(1) + #define VEND1_PORT_INFRA_CONTROL 0xAC00 #define PORT_INFRA_CONTROL_EN BIT(14) @@ -85,12 +105,17 @@ #define MII_BASIC_CONFIG_RMII 0x5 #define MII_BASIC_CONFIG_MII 0x4 +#define VEND1_SYMBOL_ERROR_CNT_XTD 0x8351 +#define EXTENDED_CNT_EN BIT(15) +#define VEND1_MONITOR_STATUS 0xAC80 +#define MONITOR_RESET BIT(15) +#define VEND1_MONITOR_CONFIG 0xAC86 +#define LOST_FRAMES_CNT_EN BIT(9) +#define ALL_FRAMES_CNT_EN BIT(8) + #define VEND1_SYMBOL_ERROR_COUNTER 0x8350 #define VEND1_LINK_DROP_COUNTER 0x8352 #define VEND1_LINK_LOSSES_AND_FAILURES 0x8353 -#define VEND1_R_GOOD_FRAME_CNT 0xA950 -#define VEND1_R_BAD_FRAME_CNT 0xA952 -#define VEND1_R_RXER_FRAME_CNT 0xA954 #define VEND1_RX_PREAMBLE_COUNT 0xAFCE #define VEND1_TX_PREAMBLE_COUNT 0xAFCF #define VEND1_RX_IPG_LENGTH 0xAFD0 @@ -99,81 +124,43 @@ #define VEND1_PTP_CONFIG 0x1102 #define EXT_TRG_EDGE BIT(1) -#define PPS_OUT_POL BIT(2) -#define PPS_OUT_EN BIT(3) -#define VEND1_LTC_LOAD_CTRL 0x1105 -#define READ_LTC BIT(2) -#define LOAD_LTC BIT(0) +#define TJA1120_SYNC_TRIG_FILTER 0x1010 +#define PTP_TRIG_RISE_TS BIT(3) +#define PTP_TRIG_FALLING_TS BIT(2) -#define VEND1_LTC_WR_NSEC_0 0x1106 -#define VEND1_LTC_WR_NSEC_1 0x1107 -#define VEND1_LTC_WR_SEC_0 0x1108 -#define VEND1_LTC_WR_SEC_1 0x1109 - -#define VEND1_LTC_RD_NSEC_0 0x110A -#define VEND1_LTC_RD_NSEC_1 0x110B -#define VEND1_LTC_RD_SEC_0 0x110C -#define VEND1_LTC_RD_SEC_1 0x110D - -#define VEND1_RATE_ADJ_SUBNS_0 0x110F -#define VEND1_RATE_ADJ_SUBNS_1 0x1110 #define CLK_RATE_ADJ_LD BIT(15) #define CLK_RATE_ADJ_DIR BIT(14) -#define VEND1_HW_LTC_LOCK_CTRL 0x1115 -#define HW_LTC_LOCK_EN BIT(0) - -#define VEND1_PTP_IRQ_EN 0x1131 -#define VEND1_PTP_IRQ_STATUS 0x1132 -#define PTP_IRQ_EGR_TS BIT(0) - #define VEND1_RX_TS_INSRT_CTRL 0x114D -#define RX_TS_INSRT_MODE2 0x02 +#define TJA1103_RX_TS_INSRT_MODE2 0x02 + +#define TJA1120_RX_TS_INSRT_CTRL 0x9012 +#define TJA1120_RX_TS_INSRT_EN BIT(15) +#define TJA1120_TS_INSRT_MODE BIT(4) #define VEND1_EGR_RING_DATA_0 0x114E -#define VEND1_EGR_RING_DATA_1_SEQ_ID 0x114F -#define VEND1_EGR_RING_DATA_2_NSEC_15_0 0x1150 -#define VEND1_EGR_RING_DATA_3 0x1151 #define VEND1_EGR_RING_CTRL 0x1154 -#define VEND1_EXT_TRG_TS_DATA_0 0x1121 -#define VEND1_EXT_TRG_TS_DATA_1 0x1122 -#define VEND1_EXT_TRG_TS_DATA_2 0x1123 -#define VEND1_EXT_TRG_TS_DATA_3 0x1124 -#define VEND1_EXT_TRG_TS_DATA_4 0x1125 -#define VEND1_EXT_TRG_TS_CTRL 0x1126 - -#define RING_DATA_0_DOMAIN_NUMBER GENMASK(7, 0) -#define RING_DATA_0_MSG_TYPE GENMASK(11, 8) -#define RING_DATA_0_SEC_4_2 GENMASK(14, 2) #define RING_DATA_0_TS_VALID BIT(15) -#define RING_DATA_3_NSEC_29_16 GENMASK(13, 0) -#define RING_DATA_3_SEC_1_0 GENMASK(15, 14) -#define RING_DATA_5_SEC_16_5 GENMASK(15, 4) #define RING_DONE BIT(0) #define TS_SEC_MASK GENMASK(1, 0) #define VEND1_PORT_FUNC_ENABLES 0x8048 #define PTP_ENABLE BIT(3) +#define PHY_TEST_ENABLE BIT(0) #define VEND1_PORT_PTP_CONTROL 0x9000 #define PORT_PTP_CONTROL_BYPASS BIT(11) -#define VEND1_PTP_CLK_PERIOD 0x1104 #define PTP_CLK_PERIOD_100BT1 15ULL +#define PTP_CLK_PERIOD_1000BT1 8ULL -#define VEND1_EVENT_MSG_FILT 0x1148 #define EVENT_MSG_FILT_ALL 0x0F #define EVENT_MSG_FILT_NONE 0x00 -#define VEND1_TX_PIPE_DLY_NS 0x1149 -#define VEND1_TX_PIPEDLY_SUBNS 0x114A -#define VEND1_RX_PIPE_DLY_NS 0x114B -#define VEND1_RX_PIPEDLY_SUBNS 0x114C - #define VEND1_GPIO_FUNC_CONFIG_BASE 0x2C40 #define GPIO_FUNC_EN BIT(15) #define GPIO_FUNC_PTP BIT(6) @@ -191,16 +178,33 @@ #define MAX_ID_PS 2260U #define DEFAULT_ID_PS 2000U -#define PPM_TO_SUBNS_INC(ppb) div_u64(GENMASK_ULL(31, 0) * (ppb) * \ - PTP_CLK_PERIOD_100BT1, NSEC_PER_SEC) +#define PPM_TO_SUBNS_INC(ppb, ptp_clk_period) div_u64(GENMASK_ULL(31, 0) * \ + (ppb) * (ptp_clk_period), NSEC_PER_SEC) #define NXP_C45_SKB_CB(skb) ((struct nxp_c45_skb_cb *)(skb)->cb) +struct nxp_c45_phy; + struct nxp_c45_skb_cb { struct ptp_header *header; unsigned int type; }; +#define NXP_C45_REG_FIELD(_reg, _devad, _offset, _size) \ + ((struct nxp_c45_reg_field) { \ + .reg = _reg, \ + .devad = _devad, \ + .offset = _offset, \ + .size = _size, \ + }) + +struct nxp_c45_reg_field { + u16 reg; + u8 devad; + u8 offset; + u8 size; +}; + struct nxp_c45_hwts { u32 nsec; u32 sec; @@ -209,7 +213,76 @@ struct nxp_c45_hwts { u8 msg_type; }; +struct nxp_c45_regmap { + /* PTP config regs. */ + u16 vend1_ptp_clk_period; + u16 vend1_event_msg_filt; + + /* LTC bits and regs. */ + struct nxp_c45_reg_field ltc_read; + struct nxp_c45_reg_field ltc_write; + struct nxp_c45_reg_field ltc_lock_ctrl; + u16 vend1_ltc_wr_nsec_0; + u16 vend1_ltc_wr_nsec_1; + u16 vend1_ltc_wr_sec_0; + u16 vend1_ltc_wr_sec_1; + u16 vend1_ltc_rd_nsec_0; + u16 vend1_ltc_rd_nsec_1; + u16 vend1_ltc_rd_sec_0; + u16 vend1_ltc_rd_sec_1; + u16 vend1_rate_adj_subns_0; + u16 vend1_rate_adj_subns_1; + + /* External trigger reg fields. */ + struct nxp_c45_reg_field irq_egr_ts_en; + struct nxp_c45_reg_field irq_egr_ts_status; + struct nxp_c45_reg_field domain_number; + struct nxp_c45_reg_field msg_type; + struct nxp_c45_reg_field sequence_id; + struct nxp_c45_reg_field sec_1_0; + struct nxp_c45_reg_field sec_4_2; + struct nxp_c45_reg_field nsec_15_0; + struct nxp_c45_reg_field nsec_29_16; + + /* PPS and EXT Trigger bits and regs. */ + struct nxp_c45_reg_field pps_enable; + struct nxp_c45_reg_field pps_polarity; + u16 vend1_ext_trg_data_0; + u16 vend1_ext_trg_data_1; + u16 vend1_ext_trg_data_2; + u16 vend1_ext_trg_data_3; + u16 vend1_ext_trg_ctrl; + + /* Cable test reg fields. */ + u16 cable_test; + struct nxp_c45_reg_field cable_test_valid; + struct nxp_c45_reg_field cable_test_result; +}; + +struct nxp_c45_phy_stats { + const char *name; + const struct nxp_c45_reg_field counter; +}; + +struct nxp_c45_phy_data { + const struct nxp_c45_regmap *regmap; + const struct nxp_c45_phy_stats *stats; + int n_stats; + u8 ptp_clk_period; + bool ext_ts_both_edges; + bool ack_ptp_irq; + void (*counters_enable)(struct phy_device *phydev); + bool (*get_egressts)(struct nxp_c45_phy *priv, + struct nxp_c45_hwts *hwts); + bool (*get_extts)(struct nxp_c45_phy *priv, struct timespec64 *extts); + void (*ptp_init)(struct phy_device *phydev); + void (*ptp_enable)(struct phy_device *phydev, bool enable); + void (*nmi_handler)(struct phy_device *phydev, + irqreturn_t *irq_status); +}; + struct nxp_c45_phy { + const struct nxp_c45_phy_data *phy_data; struct phy_device *phydev; struct mii_timestamper mii_ts; struct ptp_clock *ptp_clock; @@ -227,13 +300,86 @@ struct nxp_c45_phy { bool extts; }; -struct nxp_c45_phy_stats { - const char *name; - u8 mmd; - u16 reg; - u8 off; - u16 mask; -}; +static const +struct nxp_c45_phy_data *nxp_c45_get_data(struct phy_device *phydev) +{ + return phydev->drv->driver_data; +} + +static const +struct nxp_c45_regmap *nxp_c45_get_regmap(struct phy_device *phydev) +{ + const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev); + + return phy_data->regmap; +} + +static int nxp_c45_read_reg_field(struct phy_device *phydev, + const struct nxp_c45_reg_field *reg_field) +{ + u16 mask; + int ret; + + if (reg_field->size == 0) { + phydev_err(phydev, "Trying to read a reg field of size 0.\n"); + return -EINVAL; + } + + ret = phy_read_mmd(phydev, reg_field->devad, reg_field->reg); + if (ret < 0) + return ret; + + mask = reg_field->size == 1 ? BIT(reg_field->offset) : + GENMASK(reg_field->offset + reg_field->size - 1, + reg_field->offset); + ret &= mask; + ret >>= reg_field->offset; + + return ret; +} + +static int nxp_c45_write_reg_field(struct phy_device *phydev, + const struct nxp_c45_reg_field *reg_field, + u16 val) +{ + u16 mask; + u16 set; + + if (reg_field->size == 0) { + phydev_err(phydev, "Trying to write a reg field of size 0.\n"); + return -EINVAL; + } + + mask = reg_field->size == 1 ? BIT(reg_field->offset) : + GENMASK(reg_field->offset + reg_field->size - 1, + reg_field->offset); + set = val << reg_field->offset; + + return phy_modify_mmd_changed(phydev, reg_field->devad, + reg_field->reg, mask, set); +} + +static int nxp_c45_set_reg_field(struct phy_device *phydev, + const struct nxp_c45_reg_field *reg_field) +{ + if (reg_field->size != 1) { + phydev_err(phydev, "Trying to set a reg field of size different than 1.\n"); + return -EINVAL; + } + + return nxp_c45_write_reg_field(phydev, reg_field, 1); +} + +static int nxp_c45_clear_reg_field(struct phy_device *phydev, + const struct nxp_c45_reg_field *reg_field) +{ + if (reg_field->size != 1) { + phydev_err(phydev, "Trying to set a reg field of size different than 1.\n"); + return -EINVAL; + } + + return nxp_c45_write_reg_field(phydev, reg_field, 0); +} static bool nxp_c45_poll_txts(struct phy_device *phydev) { @@ -245,17 +391,17 @@ static int _nxp_c45_ptp_gettimex64(struct ptp_clock_info *ptp, struct ptp_system_timestamp *sts) { struct nxp_c45_phy *priv = container_of(ptp, struct nxp_c45_phy, caps); + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_LOAD_CTRL, - READ_LTC); + nxp_c45_set_reg_field(priv->phydev, ®map->ltc_read); ts->tv_nsec = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_LTC_RD_NSEC_0); + regmap->vend1_ltc_rd_nsec_0); ts->tv_nsec |= phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_LTC_RD_NSEC_1) << 16; + regmap->vend1_ltc_rd_nsec_1) << 16; ts->tv_sec = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_LTC_RD_SEC_0); + regmap->vend1_ltc_rd_sec_0); ts->tv_sec |= phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_LTC_RD_SEC_1) << 16; + regmap->vend1_ltc_rd_sec_1) << 16; return 0; } @@ -277,17 +423,17 @@ static int _nxp_c45_ptp_settime64(struct ptp_clock_info *ptp, const struct timespec64 *ts) { struct nxp_c45_phy *priv = container_of(ptp, struct nxp_c45_phy, caps); + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_WR_NSEC_0, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, regmap->vend1_ltc_wr_nsec_0, ts->tv_nsec); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_WR_NSEC_1, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, regmap->vend1_ltc_wr_nsec_1, ts->tv_nsec >> 16); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_WR_SEC_0, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, regmap->vend1_ltc_wr_sec_0, ts->tv_sec); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_WR_SEC_1, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, regmap->vend1_ltc_wr_sec_1, ts->tv_sec >> 16); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_LTC_LOAD_CTRL, - LOAD_LTC); + nxp_c45_set_reg_field(priv->phydev, ®map->ltc_write); return 0; } @@ -307,6 +453,8 @@ static int nxp_c45_ptp_settime64(struct ptp_clock_info *ptp, static int nxp_c45_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) { struct nxp_c45_phy *priv = container_of(ptp, struct nxp_c45_phy, caps); + const struct nxp_c45_phy_data *data = nxp_c45_get_data(priv->phydev); + const struct nxp_c45_regmap *regmap = data->regmap; s32 ppb = scaled_ppm_to_ppb(scaled_ppm); u64 subns_inc_val; bool inc; @@ -315,16 +463,18 @@ static int nxp_c45_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm) inc = ppb >= 0; ppb = abs(ppb); - subns_inc_val = PPM_TO_SUBNS_INC(ppb); + subns_inc_val = PPM_TO_SUBNS_INC(ppb, data->ptp_clk_period); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_RATE_ADJ_SUBNS_0, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, + regmap->vend1_rate_adj_subns_0, subns_inc_val); subns_inc_val >>= 16; subns_inc_val |= CLK_RATE_ADJ_LD; if (inc) subns_inc_val |= CLK_RATE_ADJ_DIR; - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_RATE_ADJ_SUBNS_1, + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, + regmap->vend1_rate_adj_subns_1, subns_inc_val); mutex_unlock(&priv->ptp_lock); @@ -365,19 +515,88 @@ static bool nxp_c45_match_ts(struct ptp_header *header, header->domain_number == hwts->domain_number; } -static void nxp_c45_get_extts(struct nxp_c45_phy *priv, +static bool nxp_c45_get_extts(struct nxp_c45_phy *priv, struct timespec64 *extts) { + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); + extts->tv_nsec = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EXT_TRG_TS_DATA_0); + regmap->vend1_ext_trg_data_0); extts->tv_nsec |= phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EXT_TRG_TS_DATA_1) << 16; + regmap->vend1_ext_trg_data_1) << 16; extts->tv_sec = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EXT_TRG_TS_DATA_2); + regmap->vend1_ext_trg_data_2); extts->tv_sec |= phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EXT_TRG_TS_DATA_3) << 16; - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EXT_TRG_TS_CTRL, - RING_DONE); + regmap->vend1_ext_trg_data_3) << 16; + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, + regmap->vend1_ext_trg_ctrl, RING_DONE); + + return true; +} + +static bool tja1120_extts_is_valid(struct phy_device *phydev) +{ + bool valid; + int reg; + + reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_VEND1_PTP_TRIG_DATA_S); + valid = !!(reg & TJA1120_TS_VALID); + + return valid; +} + +static bool tja1120_get_extts(struct nxp_c45_phy *priv, + struct timespec64 *extts) +{ + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); + struct phy_device *phydev = priv->phydev; + bool more_ts; + bool valid; + u16 reg; + + reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, + regmap->vend1_ext_trg_ctrl); + more_ts = !!(reg & TJA1120_MORE_TS); + + valid = tja1120_extts_is_valid(phydev); + if (!valid) { + if (!more_ts) + goto tja1120_get_extts_out; + + /* Bug workaround for TJA1120 engineering samples: move the new + * timestamp from the FIFO to the buffer. + */ + phy_write_mmd(phydev, MDIO_MMD_VEND1, + regmap->vend1_ext_trg_ctrl, RING_DONE); + valid = tja1120_extts_is_valid(phydev); + if (!valid) + goto tja1120_get_extts_out; + } + + nxp_c45_get_extts(priv, extts); +tja1120_get_extts_out: + return valid; +} + +static void nxp_c45_read_egress_ts(struct nxp_c45_phy *priv, + struct nxp_c45_hwts *hwts) +{ + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); + struct phy_device *phydev = priv->phydev; + + hwts->domain_number = + nxp_c45_read_reg_field(phydev, ®map->domain_number); + hwts->msg_type = + nxp_c45_read_reg_field(phydev, ®map->msg_type); + hwts->sequence_id = + nxp_c45_read_reg_field(phydev, ®map->sequence_id); + hwts->nsec = + nxp_c45_read_reg_field(phydev, ®map->nsec_15_0); + hwts->nsec |= + nxp_c45_read_reg_field(phydev, ®map->nsec_29_16) << 16; + hwts->sec = nxp_c45_read_reg_field(phydev, ®map->sec_1_0); + hwts->sec |= nxp_c45_read_reg_field(phydev, ®map->sec_4_2) << 2; } static bool nxp_c45_get_hwtxts(struct nxp_c45_phy *priv, @@ -394,22 +613,56 @@ static bool nxp_c45_get_hwtxts(struct nxp_c45_phy *priv, if (!valid) goto nxp_c45_get_hwtxts_out; - hwts->domain_number = reg; - hwts->msg_type = (reg & RING_DATA_0_MSG_TYPE) >> 8; - hwts->sec = (reg & RING_DATA_0_SEC_4_2) >> 10; - hwts->sequence_id = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EGR_RING_DATA_1_SEQ_ID); - hwts->nsec = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_EGR_RING_DATA_2_NSEC_15_0); - reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EGR_RING_DATA_3); - hwts->nsec |= (reg & RING_DATA_3_NSEC_29_16) << 16; - hwts->sec |= (reg & RING_DATA_3_SEC_1_0) >> 14; - + nxp_c45_read_egress_ts(priv, hwts); nxp_c45_get_hwtxts_out: mutex_unlock(&priv->ptp_lock); return valid; } +static bool tja1120_egress_ts_is_valid(struct phy_device *phydev) +{ + bool valid; + u16 reg; + + reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_DATA_S); + valid = !!(reg & TJA1120_TS_VALID); + + return valid; +} + +static bool tja1120_get_hwtxts(struct nxp_c45_phy *priv, + struct nxp_c45_hwts *hwts) +{ + struct phy_device *phydev = priv->phydev; + bool more_ts; + bool valid; + u16 reg; + + mutex_lock(&priv->ptp_lock); + reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_END); + more_ts = !!(reg & TJA1120_MORE_TS); + valid = tja1120_egress_ts_is_valid(phydev); + if (!valid) { + if (!more_ts) + goto tja1120_get_hwtxts_out; + + /* Bug workaround for TJA1120 engineering samples: move the + * new timestamp from the FIFO to the buffer. + */ + phy_write_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_EGRESS_TS_END, TJA1120_TS_VALID); + valid = tja1120_egress_ts_is_valid(phydev); + if (!valid) + goto tja1120_get_hwtxts_out; + } + nxp_c45_read_egress_ts(priv, hwts); + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_DATA_S, + TJA1120_TS_VALID); +tja1120_get_hwtxts_out: + mutex_unlock(&priv->ptp_lock); + return valid; +} + static void nxp_c45_process_txts(struct nxp_c45_phy *priv, struct nxp_c45_hwts *txts) { @@ -448,6 +701,7 @@ static void nxp_c45_process_txts(struct nxp_c45_phy *priv, static long nxp_c45_do_aux_work(struct ptp_clock_info *ptp) { struct nxp_c45_phy *priv = container_of(ptp, struct nxp_c45_phy, caps); + const struct nxp_c45_phy_data *data = nxp_c45_get_data(priv->phydev); bool poll_txts = nxp_c45_poll_txts(priv->phydev); struct skb_shared_hwtstamps *shhwtstamps_rx; struct ptp_clock_event event; @@ -455,12 +709,12 @@ static long nxp_c45_do_aux_work(struct ptp_clock_info *ptp) bool reschedule = false; struct timespec64 ts; struct sk_buff *skb; - bool txts_valid; + bool ts_valid; u32 ts_raw; while (!skb_queue_empty_lockless(&priv->tx_queue) && poll_txts) { - txts_valid = nxp_c45_get_hwtxts(priv, &hwts); - if (unlikely(!txts_valid)) { + ts_valid = data->get_egressts(priv, &hwts); + if (unlikely(!ts_valid)) { /* Still more skbs in the queue */ reschedule = true; break; @@ -482,8 +736,8 @@ static long nxp_c45_do_aux_work(struct ptp_clock_info *ptp) } if (priv->extts) { - nxp_c45_get_extts(priv, &ts); - if (timespec64_compare(&ts, &priv->extts_ts) != 0) { + ts_valid = data->get_extts(priv, &ts); + if (ts_valid && timespec64_compare(&ts, &priv->extts_ts) != 0) { priv->extts_ts = ts; event.index = priv->extts_index; event.type = PTP_CLOCK_EXTTS; @@ -508,6 +762,7 @@ static void nxp_c45_gpio_config(struct nxp_c45_phy *priv, static int nxp_c45_perout_enable(struct nxp_c45_phy *priv, struct ptp_perout_request *perout, int on) { + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(priv->phydev); struct phy_device *phydev = priv->phydev; int pin; @@ -519,10 +774,10 @@ static int nxp_c45_perout_enable(struct nxp_c45_phy *priv, return pin; if (!on) { - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PTP_CONFIG, - PPS_OUT_EN); - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PTP_CONFIG, - PPS_OUT_POL); + nxp_c45_clear_reg_field(priv->phydev, + ®map->pps_enable); + nxp_c45_clear_reg_field(priv->phydev, + ®map->pps_polarity); nxp_c45_gpio_config(priv, pin, GPIO_DISABLE); @@ -551,23 +806,62 @@ static int nxp_c45_perout_enable(struct nxp_c45_phy *priv, } if (perout->phase.nsec == 0) - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, - VEND1_PTP_CONFIG, PPS_OUT_POL); + nxp_c45_clear_reg_field(priv->phydev, + ®map->pps_polarity); else - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, - VEND1_PTP_CONFIG, PPS_OUT_POL); + nxp_c45_set_reg_field(priv->phydev, + ®map->pps_polarity); } nxp_c45_gpio_config(priv, pin, GPIO_PPS_OUT_CFG); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PTP_CONFIG, PPS_OUT_EN); + nxp_c45_set_reg_field(priv->phydev, ®map->pps_enable); return 0; } +static void nxp_c45_set_rising_or_falling(struct phy_device *phydev, + struct ptp_extts_request *extts) +{ + if (extts->flags & PTP_RISING_EDGE) + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PTP_CONFIG, EXT_TRG_EDGE); + + if (extts->flags & PTP_FALLING_EDGE) + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PTP_CONFIG, EXT_TRG_EDGE); +} + +static void nxp_c45_set_rising_and_falling(struct phy_device *phydev, + struct ptp_extts_request *extts) +{ + /* PTP_EXTTS_REQUEST may have only the PTP_ENABLE_FEATURE flag set. In + * this case external ts will be enabled on rising edge. + */ + if (extts->flags & PTP_RISING_EDGE || + extts->flags == PTP_ENABLE_FEATURE) + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_SYNC_TRIG_FILTER, + PTP_TRIG_RISE_TS); + else + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_SYNC_TRIG_FILTER, + PTP_TRIG_RISE_TS); + + if (extts->flags & PTP_FALLING_EDGE) + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_SYNC_TRIG_FILTER, + PTP_TRIG_FALLING_TS); + else + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_SYNC_TRIG_FILTER, + PTP_TRIG_FALLING_TS); +} + static int nxp_c45_extts_enable(struct nxp_c45_phy *priv, struct ptp_extts_request *extts, int on) { + const struct nxp_c45_phy_data *data = nxp_c45_get_data(priv->phydev); int pin; if (extts->flags & ~(PTP_ENABLE_FEATURE | @@ -578,7 +872,8 @@ static int nxp_c45_extts_enable(struct nxp_c45_phy *priv, /* Sampling on both edges is not supported */ if ((extts->flags & PTP_RISING_EDGE) && - (extts->flags & PTP_FALLING_EDGE)) + (extts->flags & PTP_FALLING_EDGE) && + !data->ext_ts_both_edges) return -EOPNOTSUPP; pin = ptp_find_pin(priv->ptp_clock, PTP_PF_EXTTS, extts->index); @@ -592,13 +887,10 @@ static int nxp_c45_extts_enable(struct nxp_c45_phy *priv, return 0; } - if (extts->flags & PTP_RISING_EDGE) - phy_clear_bits_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_PTP_CONFIG, EXT_TRG_EDGE); - - if (extts->flags & PTP_FALLING_EDGE) - phy_set_bits_mmd(priv->phydev, MDIO_MMD_VEND1, - VEND1_PTP_CONFIG, EXT_TRG_EDGE); + if (data->ext_ts_both_edges) + nxp_c45_set_rising_and_falling(priv->phydev, extts); + else + nxp_c45_set_rising_or_falling(priv->phydev, extts); nxp_c45_gpio_config(priv, pin, GPIO_EXTTS_OUT_CFG); priv->extts = true; @@ -735,6 +1027,7 @@ static int nxp_c45_hwtstamp(struct mii_timestamper *mii_ts, struct nxp_c45_phy *priv = container_of(mii_ts, struct nxp_c45_phy, mii_ts); struct phy_device *phydev = priv->phydev; + const struct nxp_c45_phy_data *data; struct hwtstamp_config cfg; if (copy_from_user(&cfg, ifreq->ifr_data, sizeof(cfg))) @@ -743,6 +1036,7 @@ static int nxp_c45_hwtstamp(struct mii_timestamper *mii_ts, if (cfg.tx_type < 0 || cfg.tx_type > HWTSTAMP_TX_ON) return -ERANGE; + data = nxp_c45_get_data(phydev); priv->hwts_tx = cfg.tx_type; switch (cfg.rx_filter) { @@ -760,27 +1054,24 @@ static int nxp_c45_hwtstamp(struct mii_timestamper *mii_ts, } if (priv->hwts_rx || priv->hwts_tx) { - phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_EVENT_MSG_FILT, + phy_write_mmd(phydev, MDIO_MMD_VEND1, + data->regmap->vend1_event_msg_filt, EVENT_MSG_FILT_ALL); - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, - VEND1_PORT_PTP_CONTROL, - PORT_PTP_CONTROL_BYPASS); + data->ptp_enable(phydev, true); } else { - phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_EVENT_MSG_FILT, + phy_write_mmd(phydev, MDIO_MMD_VEND1, + data->regmap->vend1_event_msg_filt, EVENT_MSG_FILT_NONE); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PORT_PTP_CONTROL, - PORT_PTP_CONTROL_BYPASS); + data->ptp_enable(phydev, false); } if (nxp_c45_poll_txts(priv->phydev)) goto nxp_c45_no_ptp_irq; if (priv->hwts_tx) - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, - VEND1_PTP_IRQ_EN, PTP_IRQ_EGR_TS); + nxp_c45_set_reg_field(phydev, &data->regmap->irq_egr_ts_en); else - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, - VEND1_PTP_IRQ_EN, PTP_IRQ_EGR_TS); + nxp_c45_clear_reg_field(phydev, &data->regmap->irq_egr_ts_en); nxp_c45_no_ptp_irq: return copy_to_user(ifreq->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; @@ -805,63 +1096,100 @@ static int nxp_c45_ts_info(struct mii_timestamper *mii_ts, return 0; } -static const struct nxp_c45_phy_stats nxp_c45_hw_stats[] = { - { "phy_symbol_error_cnt", MDIO_MMD_VEND1, - VEND1_SYMBOL_ERROR_COUNTER, 0, GENMASK(15, 0) }, - { "phy_link_status_drop_cnt", MDIO_MMD_VEND1, - VEND1_LINK_DROP_COUNTER, 8, GENMASK(13, 8) }, - { "phy_link_availability_drop_cnt", MDIO_MMD_VEND1, - VEND1_LINK_DROP_COUNTER, 0, GENMASK(5, 0) }, - { "phy_link_loss_cnt", MDIO_MMD_VEND1, - VEND1_LINK_LOSSES_AND_FAILURES, 10, GENMASK(15, 10) }, - { "phy_link_failure_cnt", MDIO_MMD_VEND1, - VEND1_LINK_LOSSES_AND_FAILURES, 0, GENMASK(9, 0) }, - { "r_good_frame_cnt", MDIO_MMD_VEND1, - VEND1_R_GOOD_FRAME_CNT, 0, GENMASK(15, 0) }, - { "r_bad_frame_cnt", MDIO_MMD_VEND1, - VEND1_R_BAD_FRAME_CNT, 0, GENMASK(15, 0) }, - { "r_rxer_frame_cnt", MDIO_MMD_VEND1, - VEND1_R_RXER_FRAME_CNT, 0, GENMASK(15, 0) }, - { "rx_preamble_count", MDIO_MMD_VEND1, - VEND1_RX_PREAMBLE_COUNT, 0, GENMASK(5, 0) }, - { "tx_preamble_count", MDIO_MMD_VEND1, - VEND1_TX_PREAMBLE_COUNT, 0, GENMASK(5, 0) }, - { "rx_ipg_length", MDIO_MMD_VEND1, - VEND1_RX_IPG_LENGTH, 0, GENMASK(8, 0) }, - { "tx_ipg_length", MDIO_MMD_VEND1, - VEND1_TX_IPG_LENGTH, 0, GENMASK(8, 0) }, +static const struct nxp_c45_phy_stats common_hw_stats[] = { + { "phy_link_status_drop_cnt", + NXP_C45_REG_FIELD(0x8352, MDIO_MMD_VEND1, 8, 6), }, + { "phy_link_availability_drop_cnt", + NXP_C45_REG_FIELD(0x8352, MDIO_MMD_VEND1, 0, 6), }, + { "phy_link_loss_cnt", + NXP_C45_REG_FIELD(0x8353, MDIO_MMD_VEND1, 10, 6), }, + { "phy_link_failure_cnt", + NXP_C45_REG_FIELD(0x8353, MDIO_MMD_VEND1, 0, 10), }, + { "phy_symbol_error_cnt", + NXP_C45_REG_FIELD(0x8350, MDIO_MMD_VEND1, 0, 16) }, +}; + +static const struct nxp_c45_phy_stats tja1103_hw_stats[] = { + { "rx_preamble_count", + NXP_C45_REG_FIELD(0xAFCE, MDIO_MMD_VEND1, 0, 6), }, + { "tx_preamble_count", + NXP_C45_REG_FIELD(0xAFCF, MDIO_MMD_VEND1, 0, 6), }, + { "rx_ipg_length", + NXP_C45_REG_FIELD(0xAFD0, MDIO_MMD_VEND1, 0, 9), }, + { "tx_ipg_length", + NXP_C45_REG_FIELD(0xAFD1, MDIO_MMD_VEND1, 0, 9), }, +}; + +static const struct nxp_c45_phy_stats tja1120_hw_stats[] = { + { "phy_symbol_error_cnt_ext", + NXP_C45_REG_FIELD(0x8351, MDIO_MMD_VEND1, 0, 14) }, + { "tx_frames_xtd", + NXP_C45_REG_FIELD(0xACA1, MDIO_MMD_VEND1, 0, 8), }, + { "tx_frames", + NXP_C45_REG_FIELD(0xACA0, MDIO_MMD_VEND1, 0, 16), }, + { "rx_frames_xtd", + NXP_C45_REG_FIELD(0xACA3, MDIO_MMD_VEND1, 0, 8), }, + { "rx_frames", + NXP_C45_REG_FIELD(0xACA2, MDIO_MMD_VEND1, 0, 16), }, + { "tx_lost_frames_xtd", + NXP_C45_REG_FIELD(0xACA5, MDIO_MMD_VEND1, 0, 8), }, + { "tx_lost_frames", + NXP_C45_REG_FIELD(0xACA4, MDIO_MMD_VEND1, 0, 16), }, + { "rx_lost_frames_xtd", + NXP_C45_REG_FIELD(0xACA7, MDIO_MMD_VEND1, 0, 8), }, + { "rx_lost_frames", + NXP_C45_REG_FIELD(0xACA6, MDIO_MMD_VEND1, 0, 16), }, }; static int nxp_c45_get_sset_count(struct phy_device *phydev) { - return ARRAY_SIZE(nxp_c45_hw_stats); + const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev); + + return ARRAY_SIZE(common_hw_stats) + (phy_data ? phy_data->n_stats : 0); } static void nxp_c45_get_strings(struct phy_device *phydev, u8 *data) { + const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev); + size_t count = nxp_c45_get_sset_count(phydev); + size_t idx; size_t i; - for (i = 0; i < ARRAY_SIZE(nxp_c45_hw_stats); i++) { - strncpy(data + i * ETH_GSTRING_LEN, - nxp_c45_hw_stats[i].name, ETH_GSTRING_LEN); + for (i = 0; i < count; i++) { + if (i < ARRAY_SIZE(common_hw_stats)) { + strscpy(data + i * ETH_GSTRING_LEN, + common_hw_stats[i].name, ETH_GSTRING_LEN); + continue; + } + idx = i - ARRAY_SIZE(common_hw_stats); + strscpy(data + i * ETH_GSTRING_LEN, + phy_data->stats[idx].name, ETH_GSTRING_LEN); } } static void nxp_c45_get_stats(struct phy_device *phydev, struct ethtool_stats *stats, u64 *data) { + const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev); + size_t count = nxp_c45_get_sset_count(phydev); + const struct nxp_c45_reg_field *reg_field; + size_t idx; size_t i; int ret; - for (i = 0; i < ARRAY_SIZE(nxp_c45_hw_stats); i++) { - ret = phy_read_mmd(phydev, nxp_c45_hw_stats[i].mmd, - nxp_c45_hw_stats[i].reg); - if (ret < 0) { - data[i] = U64_MAX; + for (i = 0; i < count; i++) { + if (i < ARRAY_SIZE(common_hw_stats)) { + reg_field = &common_hw_stats[i].counter; } else { - data[i] = ret & nxp_c45_hw_stats[i].mask; - data[i] >>= nxp_c45_hw_stats[i].off; + idx = i - ARRAY_SIZE(common_hw_stats); + reg_field = &phy_data->stats[idx].counter; } + + ret = nxp_c45_read_reg_field(phydev, reg_field); + if (ret < 0) + data[i] = U64_MAX; + else + data[i] = ret; } } @@ -898,8 +1226,40 @@ static int nxp_c45_config_intr(struct phy_device *phydev) VEND1_PHY_IRQ_EN, PHY_IRQ_LINK_EVENT); } +static int tja1103_config_intr(struct phy_device *phydev) +{ + int ret; + + /* We can't disable the FUSA IRQ for TJA1103, but we can clean it up. */ + ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_ALWAYS_ACCESSIBLE, + FUSA_PASS); + if (ret) + return ret; + + return nxp_c45_config_intr(phydev); +} + +static int tja1120_config_intr(struct phy_device *phydev) +{ + int ret; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_EN, + TJA1120_DEV_BOOT_DONE); + else + ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_EN, + TJA1120_DEV_BOOT_DONE); + if (ret) + return ret; + + return nxp_c45_config_intr(phydev); +} + static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) { + const struct nxp_c45_phy_data *data = nxp_c45_get_data(phydev); struct nxp_c45_phy *priv = phydev->priv; irqreturn_t ret = IRQ_NONE; struct nxp_c45_hwts hwts; @@ -913,18 +1273,23 @@ static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) ret = IRQ_HANDLED; } - /* There is no need for ACK. - * The irq signal will be asserted until the EGR TS FIFO will be - * emptied. - */ - irq = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_PTP_IRQ_STATUS); - if (irq & PTP_IRQ_EGR_TS) { - while (nxp_c45_get_hwtxts(priv, &hwts)) + irq = nxp_c45_read_reg_field(phydev, &data->regmap->irq_egr_ts_status); + if (irq) { + /* If ack_ptp_irq is false, the IRQ bit is self-clear and will + * be cleared when the EGR TS FIFO is empty. Otherwise, the + * IRQ bit should be cleared before reading the timestamp, + */ + if (data->ack_ptp_irq) + phy_write_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PTP_IRQ_ACK, EGR_TS_IRQ); + while (data->get_egressts(priv, &hwts)) nxp_c45_process_txts(priv, &hwts); ret = IRQ_HANDLED; } + data->nmi_handler(phydev, &ret); + return ret; } @@ -945,24 +1310,30 @@ static int nxp_c45_soft_reset(struct phy_device *phydev) static int nxp_c45_cable_test_start(struct phy_device *phydev) { - return phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_CABLE_TEST, - CABLE_TEST_ENABLE | CABLE_TEST_START); + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(phydev); + + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_FUNC_ENABLES, PHY_TEST_ENABLE); + return phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, regmap->cable_test, + CABLE_TEST_ENABLE | CABLE_TEST_START); } static int nxp_c45_cable_test_get_status(struct phy_device *phydev, bool *finished) { + const struct nxp_c45_regmap *regmap = nxp_c45_get_regmap(phydev); int ret; u8 cable_test_result; - ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, VEND1_CABLE_TEST); - if (!(ret & CABLE_TEST_VALID)) { + ret = nxp_c45_read_reg_field(phydev, ®map->cable_test_valid); + if (!ret) { *finished = false; return 0; } *finished = true; - cable_test_result = ret & GENMASK(2, 0); + cable_test_result = nxp_c45_read_reg_field(phydev, + ®map->cable_test_result); switch (cable_test_result) { case CABLE_TEST_OK: @@ -982,78 +1353,14 @@ static int nxp_c45_cable_test_get_status(struct phy_device *phydev, ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC); } - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_CABLE_TEST, + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, regmap->cable_test, CABLE_TEST_ENABLE); + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_FUNC_ENABLES, PHY_TEST_ENABLE); return nxp_c45_start_op(phydev); } -static int nxp_c45_setup_master_slave(struct phy_device *phydev) -{ - switch (phydev->master_slave_set) { - case MASTER_SLAVE_CFG_MASTER_FORCE: - case MASTER_SLAVE_CFG_MASTER_PREFERRED: - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_B100T1_PMAPMD_CTL, - MASTER_MODE); - break; - case MASTER_SLAVE_CFG_SLAVE_PREFERRED: - case MASTER_SLAVE_CFG_SLAVE_FORCE: - phy_write_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_B100T1_PMAPMD_CTL, - SLAVE_MODE); - break; - case MASTER_SLAVE_CFG_UNKNOWN: - case MASTER_SLAVE_CFG_UNSUPPORTED: - return 0; - default: - phydev_warn(phydev, "Unsupported Master/Slave mode\n"); - return -EOPNOTSUPP; - } - - return 0; -} - -static int nxp_c45_read_master_slave(struct phy_device *phydev) -{ - int reg; - - phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN; - phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN; - - reg = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, PMAPMD_B100T1_PMAPMD_CTL); - if (reg < 0) - return reg; - - if (reg & B100T1_PMAPMD_MASTER) { - phydev->master_slave_get = MASTER_SLAVE_CFG_MASTER_FORCE; - phydev->master_slave_state = MASTER_SLAVE_STATE_MASTER; - } else { - phydev->master_slave_get = MASTER_SLAVE_CFG_SLAVE_FORCE; - phydev->master_slave_state = MASTER_SLAVE_STATE_SLAVE; - } - - return 0; -} - -static int nxp_c45_config_aneg(struct phy_device *phydev) -{ - return nxp_c45_setup_master_slave(phydev); -} - -static int nxp_c45_read_status(struct phy_device *phydev) -{ - int ret; - - ret = genphy_c45_read_status(phydev); - if (ret) - return ret; - - ret = nxp_c45_read_master_slave(phydev); - if (ret) - return ret; - - return 0; -} - static int nxp_c45_get_sqi(struct phy_device *phydev) { int reg; @@ -1067,6 +1374,19 @@ static int nxp_c45_get_sqi(struct phy_device *phydev) return reg; } +static void tja1120_link_change_notify(struct phy_device *phydev) +{ + /* Bug workaround for TJA1120 enegineering samples: fix egress + * timestamps lost after link recovery. + */ + if (phydev->state == PHY_NOLINK) { + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_EPHY_RESETS, EPHY_PCS_RESET); + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_EPHY_RESETS, EPHY_PCS_RESET); + } +} + static int nxp_c45_get_sqi_max(struct phy_device *phydev) { return MAX_SQI; @@ -1087,6 +1407,28 @@ static int nxp_c45_check_delay(struct phy_device *phydev, u32 delay) return 0; } +static void nxp_c45_counters_enable(struct phy_device *phydev) +{ + const struct nxp_c45_phy_data *data = nxp_c45_get_data(phydev); + + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_LINK_DROP_COUNTER, + COUNTER_EN); + + data->counters_enable(phydev); +} + +static void nxp_c45_ptp_init(struct phy_device *phydev) +{ + const struct nxp_c45_phy_data *data = nxp_c45_get_data(phydev); + + phy_write_mmd(phydev, MDIO_MMD_VEND1, + data->regmap->vend1_ptp_clk_period, + data->ptp_clk_period); + nxp_c45_clear_reg_field(phydev, &data->regmap->ltc_lock_ctrl); + + data->ptp_init(phydev); +} + static u64 nxp_c45_get_phase_shift(u64 phase_offset_raw) { /* The delay in degree phase is 73.8 + phase_offset_raw * 0.9. @@ -1264,35 +1606,26 @@ static int nxp_c45_config_init(struct phy_device *phydev) phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PHY_CONFIG, PHY_CONFIG_AUTO); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_LINK_DROP_COUNTER, - COUNTER_EN); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_PREAMBLE_COUNT, - COUNTER_EN); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_TX_PREAMBLE_COUNT, - COUNTER_EN); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_IPG_LENGTH, - COUNTER_EN); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_TX_IPG_LENGTH, - COUNTER_EN); - ret = nxp_c45_set_phy_mode(phydev); if (ret) return ret; phydev->autoneg = AUTONEG_DISABLE; - phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_PTP_CLK_PERIOD, - PTP_CLK_PERIOD_100BT1); - phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_HW_LTC_LOCK_CTRL, - HW_LTC_LOCK_EN); - phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_TS_INSRT_CTRL, - RX_TS_INSRT_MODE2); - phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PORT_FUNC_ENABLES, - PTP_ENABLE); + nxp_c45_counters_enable(phydev); + nxp_c45_ptp_init(phydev); return nxp_c45_start_op(phydev); } +static int nxp_c45_get_features(struct phy_device *phydev) +{ + linkmode_set_bit(ETHTOOL_LINK_MODE_TP_BIT, phydev->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_MII_BIT, phydev->supported); + + return genphy_c45_pma_read_abilities(phydev); +} + static int nxp_c45_probe(struct phy_device *phydev) { struct nxp_c45_phy *priv; @@ -1348,18 +1681,274 @@ static void nxp_c45_remove(struct phy_device *phydev) skb_queue_purge(&priv->rx_queue); } +static void tja1103_counters_enable(struct phy_device *phydev) +{ + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_PREAMBLE_COUNT, + COUNTER_EN); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_TX_PREAMBLE_COUNT, + COUNTER_EN); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_IPG_LENGTH, + COUNTER_EN); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_TX_IPG_LENGTH, + COUNTER_EN); +} + +static void tja1103_ptp_init(struct phy_device *phydev) +{ + phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_RX_TS_INSRT_CTRL, + TJA1103_RX_TS_INSRT_MODE2); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_PORT_FUNC_ENABLES, + PTP_ENABLE); +} + +static void tja1103_ptp_enable(struct phy_device *phydev, bool enable) +{ + if (enable) + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_PTP_CONTROL, + PORT_PTP_CONTROL_BYPASS); + else + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_PTP_CONTROL, + PORT_PTP_CONTROL_BYPASS); +} + +static void tja1103_nmi_handler(struct phy_device *phydev, + irqreturn_t *irq_status) +{ + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, + VEND1_ALWAYS_ACCESSIBLE); + if (ret & FUSA_PASS) { + phy_write_mmd(phydev, MDIO_MMD_VEND1, + VEND1_ALWAYS_ACCESSIBLE, + FUSA_PASS); + *irq_status = IRQ_HANDLED; + } +} + +static const struct nxp_c45_regmap tja1103_regmap = { + .vend1_ptp_clk_period = 0x1104, + .vend1_event_msg_filt = 0x1148, + .pps_enable = + NXP_C45_REG_FIELD(0x1102, MDIO_MMD_VEND1, 3, 1), + .pps_polarity = + NXP_C45_REG_FIELD(0x1102, MDIO_MMD_VEND1, 2, 1), + .ltc_lock_ctrl = + NXP_C45_REG_FIELD(0x1115, MDIO_MMD_VEND1, 0, 1), + .ltc_read = + NXP_C45_REG_FIELD(0x1105, MDIO_MMD_VEND1, 2, 1), + .ltc_write = + NXP_C45_REG_FIELD(0x1105, MDIO_MMD_VEND1, 0, 1), + .vend1_ltc_wr_nsec_0 = 0x1106, + .vend1_ltc_wr_nsec_1 = 0x1107, + .vend1_ltc_wr_sec_0 = 0x1108, + .vend1_ltc_wr_sec_1 = 0x1109, + .vend1_ltc_rd_nsec_0 = 0x110A, + .vend1_ltc_rd_nsec_1 = 0x110B, + .vend1_ltc_rd_sec_0 = 0x110C, + .vend1_ltc_rd_sec_1 = 0x110D, + .vend1_rate_adj_subns_0 = 0x110F, + .vend1_rate_adj_subns_1 = 0x1110, + .irq_egr_ts_en = + NXP_C45_REG_FIELD(0x1131, MDIO_MMD_VEND1, 0, 1), + .irq_egr_ts_status = + NXP_C45_REG_FIELD(0x1132, MDIO_MMD_VEND1, 0, 1), + .domain_number = + NXP_C45_REG_FIELD(0x114E, MDIO_MMD_VEND1, 0, 8), + .msg_type = + NXP_C45_REG_FIELD(0x114E, MDIO_MMD_VEND1, 8, 4), + .sequence_id = + NXP_C45_REG_FIELD(0x114F, MDIO_MMD_VEND1, 0, 16), + .sec_1_0 = + NXP_C45_REG_FIELD(0x1151, MDIO_MMD_VEND1, 14, 2), + .sec_4_2 = + NXP_C45_REG_FIELD(0x114E, MDIO_MMD_VEND1, 12, 3), + .nsec_15_0 = + NXP_C45_REG_FIELD(0x1150, MDIO_MMD_VEND1, 0, 16), + .nsec_29_16 = + NXP_C45_REG_FIELD(0x1151, MDIO_MMD_VEND1, 0, 14), + .vend1_ext_trg_data_0 = 0x1121, + .vend1_ext_trg_data_1 = 0x1122, + .vend1_ext_trg_data_2 = 0x1123, + .vend1_ext_trg_data_3 = 0x1124, + .vend1_ext_trg_ctrl = 0x1126, + .cable_test = 0x8330, + .cable_test_valid = + NXP_C45_REG_FIELD(0x8330, MDIO_MMD_VEND1, 13, 1), + .cable_test_result = + NXP_C45_REG_FIELD(0x8330, MDIO_MMD_VEND1, 0, 3), +}; + +static const struct nxp_c45_phy_data tja1103_phy_data = { + .regmap = &tja1103_regmap, + .stats = tja1103_hw_stats, + .n_stats = ARRAY_SIZE(tja1103_hw_stats), + .ptp_clk_period = PTP_CLK_PERIOD_100BT1, + .ext_ts_both_edges = false, + .ack_ptp_irq = false, + .counters_enable = tja1103_counters_enable, + .get_egressts = nxp_c45_get_hwtxts, + .get_extts = nxp_c45_get_extts, + .ptp_init = tja1103_ptp_init, + .ptp_enable = tja1103_ptp_enable, + .nmi_handler = tja1103_nmi_handler, +}; + +static void tja1120_counters_enable(struct phy_device *phydev) +{ + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_SYMBOL_ERROR_CNT_XTD, + EXTENDED_CNT_EN); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_MONITOR_STATUS, + MONITOR_RESET); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_MONITOR_CONFIG, + ALL_FRAMES_CNT_EN | LOST_FRAMES_CNT_EN); +} + +static void tja1120_ptp_init(struct phy_device *phydev) +{ + phy_write_mmd(phydev, MDIO_MMD_VEND1, TJA1120_RX_TS_INSRT_CTRL, + TJA1120_RX_TS_INSRT_EN | TJA1120_TS_INSRT_MODE); + phy_write_mmd(phydev, MDIO_MMD_VEND1, TJA1120_VEND1_EXT_TS_MODE, + TJA1120_TS_INSRT_MODE); + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_DEVICE_CONFIG, + PTP_ENABLE); +} + +static void tja1120_ptp_enable(struct phy_device *phydev, bool enable) +{ + if (enable) + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_FUNC_ENABLES, + PTP_ENABLE); + else + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + VEND1_PORT_FUNC_ENABLES, + PTP_ENABLE); +} + +static void tja1120_nmi_handler(struct phy_device *phydev, + irqreturn_t *irq_status) +{ + int ret; + + ret = phy_read_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_STATUS); + if (ret & TJA1120_DEV_BOOT_DONE) { + phy_write_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_ACK, + TJA1120_DEV_BOOT_DONE); + *irq_status = IRQ_HANDLED; + } +} + +static const struct nxp_c45_regmap tja1120_regmap = { + .vend1_ptp_clk_period = 0x1020, + .vend1_event_msg_filt = 0x9010, + .pps_enable = + NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 4, 1), + .pps_polarity = + NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 5, 1), + .ltc_lock_ctrl = + NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 2, 1), + .ltc_read = + NXP_C45_REG_FIELD(0x1000, MDIO_MMD_VEND1, 1, 1), + .ltc_write = + NXP_C45_REG_FIELD(0x1000, MDIO_MMD_VEND1, 2, 1), + .vend1_ltc_wr_nsec_0 = 0x1040, + .vend1_ltc_wr_nsec_1 = 0x1041, + .vend1_ltc_wr_sec_0 = 0x1042, + .vend1_ltc_wr_sec_1 = 0x1043, + .vend1_ltc_rd_nsec_0 = 0x1048, + .vend1_ltc_rd_nsec_1 = 0x1049, + .vend1_ltc_rd_sec_0 = 0x104A, + .vend1_ltc_rd_sec_1 = 0x104B, + .vend1_rate_adj_subns_0 = 0x1030, + .vend1_rate_adj_subns_1 = 0x1031, + .irq_egr_ts_en = + NXP_C45_REG_FIELD(0x900A, MDIO_MMD_VEND1, 1, 1), + .irq_egr_ts_status = + NXP_C45_REG_FIELD(0x900C, MDIO_MMD_VEND1, 1, 1), + .domain_number = + NXP_C45_REG_FIELD(0x9061, MDIO_MMD_VEND1, 8, 8), + .msg_type = + NXP_C45_REG_FIELD(0x9061, MDIO_MMD_VEND1, 4, 4), + .sequence_id = + NXP_C45_REG_FIELD(0x9062, MDIO_MMD_VEND1, 0, 16), + .sec_1_0 = + NXP_C45_REG_FIELD(0x9065, MDIO_MMD_VEND1, 0, 2), + .sec_4_2 = + NXP_C45_REG_FIELD(0x9065, MDIO_MMD_VEND1, 2, 3), + .nsec_15_0 = + NXP_C45_REG_FIELD(0x9063, MDIO_MMD_VEND1, 0, 16), + .nsec_29_16 = + NXP_C45_REG_FIELD(0x9064, MDIO_MMD_VEND1, 0, 14), + .vend1_ext_trg_data_0 = 0x1071, + .vend1_ext_trg_data_1 = 0x1072, + .vend1_ext_trg_data_2 = 0x1073, + .vend1_ext_trg_data_3 = 0x1074, + .vend1_ext_trg_ctrl = 0x1075, + .cable_test = 0x8360, + .cable_test_valid = + NXP_C45_REG_FIELD(0x8361, MDIO_MMD_VEND1, 15, 1), + .cable_test_result = + NXP_C45_REG_FIELD(0x8361, MDIO_MMD_VEND1, 0, 3), +}; + +static const struct nxp_c45_phy_data tja1120_phy_data = { + .regmap = &tja1120_regmap, + .stats = tja1120_hw_stats, + .n_stats = ARRAY_SIZE(tja1120_hw_stats), + .ptp_clk_period = PTP_CLK_PERIOD_1000BT1, + .ext_ts_both_edges = true, + .ack_ptp_irq = true, + .counters_enable = tja1120_counters_enable, + .get_egressts = tja1120_get_hwtxts, + .get_extts = tja1120_get_extts, + .ptp_init = tja1120_ptp_init, + .ptp_enable = tja1120_ptp_enable, + .nmi_handler = tja1120_nmi_handler, +}; + static struct phy_driver nxp_c45_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103), .name = "NXP C45 TJA1103", - .features = PHY_BASIC_T1_FEATURES, + .get_features = nxp_c45_get_features, + .driver_data = &tja1103_phy_data, + .probe = nxp_c45_probe, + .soft_reset = nxp_c45_soft_reset, + .config_aneg = genphy_c45_config_aneg, + .config_init = nxp_c45_config_init, + .config_intr = tja1103_config_intr, + .handle_interrupt = nxp_c45_handle_interrupt, + .read_status = genphy_c45_read_status, + .suspend = genphy_c45_pma_suspend, + .resume = genphy_c45_pma_resume, + .get_sset_count = nxp_c45_get_sset_count, + .get_strings = nxp_c45_get_strings, + .get_stats = nxp_c45_get_stats, + .cable_test_start = nxp_c45_cable_test_start, + .cable_test_get_status = nxp_c45_cable_test_get_status, + .set_loopback = genphy_c45_loopback, + .get_sqi = nxp_c45_get_sqi, + .get_sqi_max = nxp_c45_get_sqi_max, + .remove = nxp_c45_remove, + }, + { + PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120), + .name = "NXP C45 TJA1120", + .get_features = nxp_c45_get_features, + .driver_data = &tja1120_phy_data, .probe = nxp_c45_probe, .soft_reset = nxp_c45_soft_reset, - .config_aneg = nxp_c45_config_aneg, + .config_aneg = genphy_c45_config_aneg, .config_init = nxp_c45_config_init, - .config_intr = nxp_c45_config_intr, + .config_intr = tja1120_config_intr, .handle_interrupt = nxp_c45_handle_interrupt, - .read_status = nxp_c45_read_status, + .read_status = genphy_c45_read_status, + .link_change_notify = tja1120_link_change_notify, .suspend = genphy_c45_pma_suspend, .resume = genphy_c45_pma_resume, .get_sset_count = nxp_c45_get_sset_count, @@ -1378,6 +1967,7 @@ module_phy_driver(nxp_c45_driver); static struct mdio_device_id __maybe_unused nxp_c45_tbl[] = { { PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103) }, + { PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120) }, { /*sentinel*/ }, }; |