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It's safe to disable/enable the PTP irq even if the egress ts irq is disabled. This interrupt, the PTP one, acts as a global switch for all PTP irqs. Fixes: 514def5dd339 ("phy: nxp-c45-tja11xx: add timestamping support") CC: stable@vger.kernel.org # 5.15+ Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 029875a59ff8..7b213c3f4536 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -63,6 +63,9 @@ #define VEND1_PORT_ABILITIES 0x8046 #define PTP_ABILITY BIT(3) +#define VEND1_PORT_FUNC_IRQ_EN 0x807A +#define PTP_IRQS BIT(3) + #define VEND1_PORT_INFRA_CONTROL 0xAC00 #define PORT_INFRA_CONTROL_EN BIT(14) @@ -890,12 +893,20 @@ static int nxp_c45_start_op(struct phy_device *phydev) static int nxp_c45_config_intr(struct phy_device *phydev) { - if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + /* The return value is ignored on purpose. 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Signed-off-by: Radu Pirea (NXP OSS) Reviewed-by: Andrew Lunn --- drivers/net/phy/nxp-c45-tja11xx.c | 77 +------------------------------ 1 file changed, 2 insertions(+), 75 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 7b213c3f4536..78a30007edf8 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -19,13 +19,6 @@ #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 VEND1_DEVICE_CONTROL 0x0040 #define DEVICE_CONTROL_RESET BIT(15) #define DEVICE_CONTROL_CONFIG_GLOBAL_EN BIT(14) @@ -999,72 +992,6 @@ static int nxp_c45_cable_test_get_status(struct phy_device *phydev, 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; @@ -1366,11 +1293,11 @@ static struct phy_driver nxp_c45_driver[] = { .features = PHY_BASIC_T1_FEATURES, .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, .handle_interrupt = nxp_c45_handle_interrupt, - .read_status = nxp_c45_read_status, + .read_status = genphy_c45_read_status, .suspend = genphy_c45_pma_suspend, .resume = genphy_c45_pma_resume, .get_sset_count = nxp_c45_get_sset_count, From patchwork Fri Jun 16 13:53:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Radu Pirea (NXP OSS)" X-Patchwork-Id: 13282790 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A94DA19E4D for ; 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In production mode, the counters will be always read as 0. So, they don't provide any useful information and are removed from the statistics. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 78a30007edf8..e39f0b46e934 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -84,9 +84,6 @@ #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 @@ -812,12 +809,6 @@ static const struct nxp_c45_phy_stats nxp_c45_hw_stats[] = { 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, From patchwork Fri Jun 16 13:53:13 2023 Content-Type: text/plain; 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To integrate more PHYs in the same driver with the same register fields, but these register fields located in different registers at different offsets, I introduced the nxp_c45_reg_field structure. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 78 +++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index e39f0b46e934..a1dc888000b4 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -194,6 +194,21 @@ struct nxp_c45_skb_cb { 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; @@ -228,6 +243,69 @@ struct nxp_c45_phy_stats { u16 mask; }; +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_warn(phydev, "Trying to read a reg field of size 0."); + 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_warn(phydev, "Trying to write a reg field of size 0."); + 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) + 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) + return -EINVAL; + + return nxp_c45_write_reg_field(phydev, reg_field, 0); +} + static bool nxp_c45_poll_txts(struct phy_device *phydev) { return phydev->irq <= 0; From patchwork Fri Jun 16 13:53:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Radu Pirea (NXP OSS)" X-Patchwork-Id: 13282792 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4A45819E4D for ; 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Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 498 ++++++++++++++++++++---------- 1 file changed, 331 insertions(+), 167 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index a1dc888000b4..2bf778bd08e3 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -41,10 +41,8 @@ #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 @@ -92,59 +90,18 @@ #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 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 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) @@ -155,18 +112,11 @@ #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 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) @@ -184,8 +134,8 @@ #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) @@ -217,7 +167,69 @@ 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; + void (*counters_enable)(struct phy_device *phydev); + void (*ptp_init)(struct phy_device *phydev); + void (*ptp_enable)(struct phy_device *phydev, bool enable); +}; + 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; @@ -235,13 +247,19 @@ struct nxp_c45_phy { bool extts; }; -struct nxp_c45_phy_stats { - const char *name; - u8 mmd; - u16 reg; - u8 off; - u16 mask; -}; +static inline +const struct nxp_c45_phy_data *nxp_c45_get_data(struct phy_device *phydev) +{ + return phydev->drv->driver_data; +} + +static inline +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 ? phy_data->regmap : NULL; +} static int nxp_c45_read_reg_field(struct phy_device *phydev, const struct nxp_c45_reg_field *reg_field) @@ -316,17 +334,17 @@ 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; } @@ -348,17 +366,17 @@ 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; } @@ -378,6 +396,8 @@ 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; @@ -386,16 +406,18 @@ 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); @@ -439,21 +461,25 @@ static bool nxp_c45_match_ts(struct ptp_header *header, static void 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); } static bool nxp_c45_get_hwtxts(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; bool valid; u16 reg; @@ -465,16 +491,18 @@ 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; + 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; nxp_c45_get_hwtxts_out: mutex_unlock(&priv->ptp_lock); @@ -579,6 +607,7 @@ 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; @@ -590,10 +619,10 @@ 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); @@ -622,16 +651,16 @@ 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; } @@ -806,6 +835,7 @@ 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))) @@ -814,6 +844,7 @@ 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) { @@ -831,27 +862,26 @@ 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); + if (data && data->ptp_enable) + 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); + if (data && data->ptp_enable) + 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; @@ -876,57 +906,79 @@ 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) }, - { "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 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++) { + for (i = 0; i < count; i++) { + if (i < ARRAY_SIZE(common_hw_stats)) { + strncpy(data + i * ETH_GSTRING_LEN, + common_hw_stats[i].name, ETH_GSTRING_LEN); + continue; + } + idx = i - ARRAY_SIZE(common_hw_stats); strncpy(data + i * ETH_GSTRING_LEN, - nxp_c45_hw_stats[i].name, 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; } } @@ -974,6 +1026,7 @@ static int nxp_c45_config_intr(struct phy_device *phydev) static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) { struct nxp_c45_phy *priv = phydev->priv; + const struct nxp_c45_phy_data *data; irqreturn_t ret = IRQ_NONE; struct nxp_c45_hwts hwts; int irq; @@ -986,12 +1039,16 @@ static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) ret = IRQ_HANDLED; } + data = nxp_c45_get_data(phydev); + if (!data) + return ret; + /* 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) { + irq = nxp_c45_read_reg_field(phydev, &data->regmap->irq_egr_ts_status); + if (irq) { while (nxp_c45_get_hwtxts(priv, &hwts)) nxp_c45_process_txts(priv, &hwts); @@ -1018,24 +1075,28 @@ 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); + + 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: @@ -1055,7 +1116,7 @@ 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); return nxp_c45_start_op(phydev); @@ -1094,6 +1155,30 @@ 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); + + if (data && data->counters_enable) + 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); + + if (data && data->ptp_init) + 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. @@ -1271,31 +1356,14 @@ 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); } @@ -1355,11 +1423,107 @@ 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 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, + .counters_enable = tja1103_counters_enable, + .ptp_init = tja1103_ptp_init, + .ptp_enable = tja1103_ptp_enable, +}; + static struct phy_driver nxp_c45_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103), .name = "NXP C45 TJA1103", .features = PHY_BASIC_T1_FEATURES, + .driver_data = &tja1103_phy_data, .probe = nxp_c45_probe, .soft_reset = nxp_c45_soft_reset, .config_aneg = genphy_c45_config_aneg, From patchwork Fri Jun 16 13:53:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Radu Pirea (NXP OSS)" X-Patchwork-Id: 13282793 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5ED3719E4D for ; 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Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/phy_device.c | 3 ++- include/linux/phy.h | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 2cad9cc3f6b8..1c7fefeda7a3 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -96,10 +96,11 @@ const int phy_10_100_features_array[4] = { }; EXPORT_SYMBOL_GPL(phy_10_100_features_array); -const int phy_basic_t1_features_array[3] = { +const int phy_basic_t1_features_array[4] = { ETHTOOL_LINK_MODE_TP_BIT, ETHTOOL_LINK_MODE_10baseT1L_Full_BIT, ETHTOOL_LINK_MODE_100baseT1_Full_BIT, + ETHTOOL_LINK_MODE_1000baseT1_Full_BIT, }; EXPORT_SYMBOL_GPL(phy_basic_t1_features_array); diff --git a/include/linux/phy.h b/include/linux/phy.h index 11c1e91563d4..47c2b55d899f 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -70,7 +70,7 @@ extern const int phy_basic_ports_array[3]; extern const int phy_fibre_port_array[1]; extern const int phy_all_ports_features_array[7]; extern const int phy_10_100_features_array[4]; -extern const int phy_basic_t1_features_array[3]; +extern const int phy_basic_t1_features_array[4]; extern const int phy_basic_t1s_p2mp_features_array[2]; extern const int phy_gbit_features_array[2]; extern const int phy_10gbit_features_array[1]; From patchwork Fri Jun 16 13:53:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Radu Pirea (NXP OSS)" X-Patchwork-Id: 13282794 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 42AED182A7 for ; Fri, 16 Jun 2023 13:54:09 +0000 (UTC) Received: from EUR04-DB3-obe.outbound.protection.outlook.com (mail-db3eur04on2080.outbound.protection.outlook.com [40.107.6.80]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4964735A5; 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Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/Kconfig | 2 +- drivers/net/phy/nxp-c45-tja11xx.c | 160 +++++++++++++++++++++++++++++- 2 files changed, 160 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index a40269c17597..aaed6d73f9f5 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -300,7 +300,7 @@ config NXP_C45_TJA11XX_PHY depends on PTP_1588_CLOCK_OPTIONAL help Enable support for NXP C45 TJA11XX PHYs. - Currently supports only the TJA1103 PHY. + Currently supports the TJA1103 and TJA1120 PHYs. config NXP_TJA11XX_PHY tristate "NXP TJA11xx PHYs support" diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 2bf778bd08e3..2160b9f8940c 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -18,12 +18,17 @@ #include #define PHY_ID_TJA_1103 0x001BB010 +#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 VEND1_PHY_IRQ_ACK 0x80A0 #define VEND1_PHY_IRQ_EN 0x80A1 #define VEND1_PHY_IRQ_STATUS 0x80A2 @@ -79,6 +84,14 @@ #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 @@ -97,11 +110,14 @@ #define VEND1_RX_TS_INSRT_CTRL 0x114D #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_CTRL 0x1154 #define RING_DATA_0_TS_VALID BIT(15) - #define RING_DONE BIT(0) #define TS_SEC_MASK GENMASK(1, 0) @@ -113,6 +129,7 @@ #define PORT_PTP_CONTROL_BYPASS BIT(11) #define PTP_CLK_PERIOD_100BT1 15ULL +#define PTP_CLK_PERIOD_1000BT1 8ULL #define EVENT_MSG_FILT_ALL 0x0F #define EVENT_MSG_FILT_NONE 0x00 @@ -930,6 +947,27 @@ static const struct nxp_c45_phy_stats tja1103_hw_stats[] = { 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", + NXP_C45_REG_FIELD(0xACA0, MDIO_MMD_VEND1, 0, 16), }, + { "tx_frames_xtd", + NXP_C45_REG_FIELD(0xACA1, MDIO_MMD_VEND1, 0, 8), }, + { "rx_frames", + NXP_C45_REG_FIELD(0xACA2, MDIO_MMD_VEND1, 0, 16), }, + { "rx_frames_xtd", + NXP_C45_REG_FIELD(0xACA3, MDIO_MMD_VEND1, 0, 8), }, + { "tx_lost_frames", + NXP_C45_REG_FIELD(0xACA4, MDIO_MMD_VEND1, 0, 16), }, + { "tx_lost_frames_xtd", + NXP_C45_REG_FIELD(0xACA5, MDIO_MMD_VEND1, 0, 8), }, + { "rx_lost_frames", + NXP_C45_REG_FIELD(0xACA6, MDIO_MMD_VEND1, 0, 16), }, + { "rx_lost_frames_xtd", + NXP_C45_REG_FIELD(0xACA7, MDIO_MMD_VEND1, 0, 8), }, +}; + static int nxp_c45_get_sset_count(struct phy_device *phydev) { const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev); @@ -1518,6 +1556,101 @@ static const struct nxp_c45_phy_data tja1103_phy_data = { .ptp_enable = tja1103_ptp_enable, }; +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 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, + .counters_enable = tja1120_counters_enable, + .ptp_init = tja1120_ptp_init, + .ptp_enable = tja1120_ptp_enable, +}; + static struct phy_driver nxp_c45_driver[] = { { PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103), @@ -1543,12 +1676,37 @@ static struct phy_driver nxp_c45_driver[] = { .get_sqi_max = nxp_c45_get_sqi_max, .remove = nxp_c45_remove, }, + { + PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120), + .name = "NXP C45 TJA1120", + .features = PHY_BASIC_T1_FEATURES, + .driver_data = &tja1120_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 = nxp_c45_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, + }, }; 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*/ }, }; From patchwork Fri Jun 16 13:53:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Radu Pirea (NXP OSS)" X-Patchwork-Id: 13282796 X-Patchwork-Delegate: kuba@kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 149A71C74A for ; Fri, 16 Jun 2023 13:54:14 +0000 (UTC) Received: from EUR04-DB3-obe.outbound.protection.outlook.com (mail-db3eur04on2065.outbound.protection.outlook.com [40.107.6.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 005F93A9D; Fri, 16 Jun 2023 06:54:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; 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The PHY supports sampling of the LTC on rising and on falling edge. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 64 +++++++++++++++++++++++++++---- 1 file changed, 56 insertions(+), 8 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 2160b9f8940c..6aa738396daf 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -104,6 +104,10 @@ #define VEND1_PTP_CONFIG 0x1102 #define EXT_TRG_EDGE BIT(1) +#define TJA1120_SYNC_TRIG_FILTER 0x1010 +#define PTP_TRIG_RISE_TS BIT(3) +#define PTP_TRIG_FALLING_TS BIT(2) + #define CLK_RATE_ADJ_LD BIT(15) #define CLK_RATE_ADJ_DIR BIT(14) @@ -240,6 +244,7 @@ struct nxp_c45_phy_data { const struct nxp_c45_phy_stats *stats; int n_stats; u8 ptp_clk_period; + bool ext_ts_both_edges; void (*counters_enable)(struct phy_device *phydev); void (*ptp_init)(struct phy_device *phydev); void (*ptp_enable)(struct phy_device *phydev, bool enable); @@ -682,9 +687,52 @@ static int nxp_c45_perout_enable(struct nxp_c45_phy *priv, return 0; } +static void nxp_c45_set_rising_or_falling(struct phy_device *phydev, + struct ptp_extts_request *extts) +{ + /* Some enable request has only the PTP_ENABLE_FEATURE flag set and in + * this case external ts should be enabled on rising edge. + */ + if (extts->flags & PTP_RISING_EDGE || + extts->flags == PTP_ENABLE_FEATURE) + 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) +{ + /* Some enable request has only the PTP_ENABLE_FEATURE flag set and in + * this case external ts should 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 | @@ -695,7 +743,8 @@ 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); @@ -709,13 +758,10 @@ 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; @@ -1551,6 +1597,7 @@ static const struct nxp_c45_phy_data tja1103_phy_data = { .stats = tja1103_hw_stats, .n_stats = ARRAY_SIZE(tja1103_hw_stats), .ptp_clk_period = PTP_CLK_PERIOD_100BT1, + .ext_ts_both_edges = false, .counters_enable = tja1103_counters_enable, .ptp_init = tja1103_ptp_init, .ptp_enable = tja1103_ptp_enable, @@ -1646,6 +1693,7 @@ static const struct nxp_c45_phy_data tja1120_phy_data = { .stats = tja1120_hw_stats, .n_stats = ARRAY_SIZE(tja1120_hw_stats), .ptp_clk_period = PTP_CLK_PERIOD_1000BT1, + .ext_ts_both_edges = true, .counters_enable = tja1120_counters_enable, .ptp_init = tja1120_ptp_init, .ptp_enable = tja1120_ptp_enable, From patchwork Fri Jun 16 13:53:18 2023 Content-Type: text/plain; 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For TJA1103 the new timestamp should be manually moved from the FIFO to the hardware buffer before checking if the timestamp is valid. For TJA1120 the hardware will move automatically the new timestamp from the FIFO to the buffer and the user should check the valid bit, read the timestamp and unlock the buffer by writing any of the buffer registers(which are read only). Another change for the TJA1120 is the behaviour of the EGR TS IRQ bit. This bit was a self-clear bit for TJA1103, but now should be cleared before reading the timestamp. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 85 ++++++++++++++++++++++++------- 1 file changed, 67 insertions(+), 18 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 6aa738396daf..838bd4a638bc 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -29,6 +29,11 @@ #define TJA1120_VEND1_EXT_TS_MODE 0x1012 +#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 @@ -62,6 +67,9 @@ #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) @@ -160,6 +168,8 @@ #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; @@ -245,7 +255,10 @@ struct nxp_c45_phy_data { 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); void (*ptp_init)(struct phy_device *phydev); void (*ptp_enable)(struct phy_device *phydev, bool enable); }; @@ -497,21 +510,11 @@ static void nxp_c45_get_extts(struct nxp_c45_phy *priv, regmap->vend1_ext_trg_ctrl, RING_DONE); } -static bool nxp_c45_get_hwtxts(struct nxp_c45_phy *priv, - struct nxp_c45_hwts *hwts) +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; - bool valid; - u16 reg; - - mutex_lock(&priv->ptp_lock); - phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EGR_RING_CTRL, - RING_DONE); - reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EGR_RING_DATA_0); - valid = !!(reg & RING_DATA_0_TS_VALID); - if (!valid) - goto nxp_c45_get_hwtxts_out; hwts->domain_number = nxp_c45_read_reg_field(phydev, ®map->domain_number); @@ -525,12 +528,49 @@ static bool nxp_c45_get_hwtxts(struct nxp_c45_phy *priv, 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, + struct nxp_c45_hwts *hwts) +{ + bool valid; + u16 reg; + mutex_lock(&priv->ptp_lock); + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EGR_RING_CTRL, + RING_DONE); + reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, VEND1_EGR_RING_DATA_0); + valid = !!(reg & RING_DATA_0_TS_VALID); + if (!valid) + goto nxp_c45_get_hwtxts_out; + + nxp_c45_read_egress_ts(priv, hwts); nxp_c45_get_hwtxts_out: mutex_unlock(&priv->ptp_lock); return valid; } +static bool tja1120_get_hwtxts(struct nxp_c45_phy *priv, + struct nxp_c45_hwts *hwts) +{ + struct phy_device *phydev = priv->phydev; + bool valid; + u16 reg; + + mutex_lock(&priv->ptp_lock); + reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_DATA_S); + valid = !!(reg & TJA1120_TS_VALID); + 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) { @@ -569,6 +609,7 @@ 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; @@ -580,7 +621,7 @@ static long nxp_c45_do_aux_work(struct ptp_clock_info *ptp) u32 ts_raw; while (!skb_queue_empty_lockless(&priv->tx_queue) && poll_txts) { - txts_valid = nxp_c45_get_hwtxts(priv, &hwts); + txts_valid = data->get_egressts(priv, &hwts); if (unlikely(!txts_valid)) { /* Still more skbs in the queue */ reschedule = true; @@ -1127,13 +1168,17 @@ static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) if (!data) return ret; - /* There is no need for ACK. - * The irq signal will be asserted until the EGR TS FIFO will be - * emptied. - */ irq = nxp_c45_read_reg_field(phydev, &data->regmap->irq_egr_ts_status); if (irq) { - while (nxp_c45_get_hwtxts(priv, &hwts)) + /* 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; @@ -1598,7 +1643,9 @@ static const struct nxp_c45_phy_data tja1103_phy_data = { .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, .ptp_init = tja1103_ptp_init, .ptp_enable = tja1103_ptp_enable, }; @@ -1694,7 +1741,9 @@ static const struct nxp_c45_phy_data tja1120_phy_data = { .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, .ptp_init = tja1120_ptp_init, .ptp_enable = tja1120_ptp_enable, }; 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For the moment, the purpose of these handlers is to acknowledge the IRQ and not to check the FUSA tests status. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 72 ++++++++++++++++++++++++++++++- 1 file changed, 70 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 838bd4a638bc..0a17a1e80a2b 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -29,6 +29,11 @@ #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_EGRESS_TS_DATA_S 0x9060 #define TJA1120_EGRESS_TS_END 0x9067 #define TJA1120_TS_VALID BIT(0) @@ -39,6 +44,9 @@ #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) @@ -261,6 +269,8 @@ struct nxp_c45_phy_data { struct nxp_c45_hwts *hwts); 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 { @@ -1148,6 +1158,29 @@ static int nxp_c45_config_intr(struct phy_device *phydev) } } +static int tja1103_config_intr(struct phy_device *phydev) +{ + /* We can't disable the FUSA IRQ for TJA1103, but we can clean it up. */ + phy_write_mmd(phydev, MDIO_MMD_VEND1, VEND1_ALWAYS_ACCESSIBLE, + FUSA_PASS); + + return nxp_c45_config_intr(phydev); +} + +static int tja1120_config_intr(struct phy_device *phydev) +{ + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_EN, + TJA1120_DEV_BOOT_DONE); + else + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_GLOBAL_INFRA_IRQ_EN, + TJA1120_DEV_BOOT_DONE); + + return nxp_c45_config_intr(phydev); +} + static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) { struct nxp_c45_phy *priv = phydev->priv; @@ -1184,6 +1217,9 @@ static irqreturn_t nxp_c45_handle_interrupt(struct phy_device *phydev) ret = IRQ_HANDLED; } + if (data->nmi_handler) + data->nmi_handler(phydev, &ret); + return ret; } @@ -1584,6 +1620,21 @@ static void tja1103_ptp_enable(struct phy_device *phydev, bool enable) 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, @@ -1648,6 +1699,7 @@ static const struct nxp_c45_phy_data tja1103_phy_data = { .get_egressts = nxp_c45_get_hwtxts, .ptp_init = tja1103_ptp_init, .ptp_enable = tja1103_ptp_enable, + .nmi_handler = tja1103_nmi_handler, }; static void tja1120_counters_enable(struct phy_device *phydev) @@ -1682,6 +1734,21 @@ static void tja1120_ptp_enable(struct phy_device *phydev, bool enable) 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, @@ -1746,6 +1813,7 @@ static const struct nxp_c45_phy_data tja1120_phy_data = { .get_egressts = tja1120_get_hwtxts, .ptp_init = tja1120_ptp_init, .ptp_enable = tja1120_ptp_enable, + .nmi_handler = tja1120_nmi_handler, }; static struct phy_driver nxp_c45_driver[] = { @@ -1758,7 +1826,7 @@ static struct phy_driver nxp_c45_driver[] = { .soft_reset = nxp_c45_soft_reset, .config_aneg = genphy_c45_config_aneg, .config_init = nxp_c45_config_init, - .config_intr = nxp_c45_config_intr, + .config_intr = tja1103_config_intr, .handle_interrupt = nxp_c45_handle_interrupt, .read_status = genphy_c45_read_status, .suspend = genphy_c45_pma_suspend, @@ -1782,7 +1850,7 @@ static struct phy_driver nxp_c45_driver[] = { .soft_reset = nxp_c45_soft_reset, .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 = genphy_c45_read_status, .suspend = genphy_c45_pma_suspend, From patchwork Fri Jun 16 13:53:20 2023 Content-Type: text/plain; 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Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 0a17a1e80a2b..4b40be45c955 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -144,6 +144,7 @@ #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) @@ -1242,6 +1243,8 @@ static int nxp_c45_cable_test_start(struct phy_device *phydev) { 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); } @@ -1283,6 +1286,8 @@ static int nxp_c45_cable_test_get_status(struct phy_device *phydev, phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, regmap->cable_test, CABLE_TEST_ENABLE); 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This changes the logic and we can't use the TJA1103 procedure. For TJA1103, we can always read a valid timestamp from the registers, compare the new timestamp with the old timestamp and, if they are not the same, an event occurred. This logic cannot be applied for TJA1120 because the timestamp is 0 if the VALID bit is not set. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 36 +++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 7 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 4b40be45c955..0ed96d696bad 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -34,6 +34,8 @@ #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) @@ -268,6 +270,7 @@ struct nxp_c45_phy_data { 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, @@ -504,7 +507,7 @@ 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); @@ -519,6 +522,23 @@ static void nxp_c45_get_extts(struct nxp_c45_phy *priv, 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_get_extts(struct nxp_c45_phy *priv, + struct timespec64 *extts) +{ + bool valid; + u16 reg; + + reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, + TJA1120_VEND1_PTP_TRIG_DATA_S); + valid = !!(reg & TJA1120_TS_VALID); + if (valid) + return nxp_c45_get_extts(priv, extts); + + return valid; } static void nxp_c45_read_egress_ts(struct nxp_c45_phy *priv, @@ -628,12 +648,12 @@ 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 = data->get_egressts(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; @@ -654,9 +674,9 @@ static long nxp_c45_do_aux_work(struct ptp_clock_info *ptp) netif_rx(skb); } - if (priv->extts) { - nxp_c45_get_extts(priv, &ts); - if (timespec64_compare(&ts, &priv->extts_ts) != 0) { + if (priv->extts && data->get_extts) { + 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; @@ -1702,6 +1722,7 @@ static const struct nxp_c45_phy_data tja1103_phy_data = { .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, @@ -1816,6 +1837,7 @@ static const struct nxp_c45_phy_data tja1120_phy_data = { .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, From patchwork Fri Jun 16 13:53:22 2023 Content-Type: text/plain; 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To avoid this HW issue, the PCS should be reseted. Resetting the PCS will break the link and we should reset the PCS on LINK UP -> LINK DOWN transition, otherwise we will trigger and infinite loop of LINK UP -> LINK DOWN events. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 0ed96d696bad..0d22eb7534dc 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -56,6 +56,9 @@ #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) @@ -1325,6 +1328,28 @@ static int nxp_c45_get_sqi(struct phy_device *phydev) return reg; } +static int tja1120_read_status(struct phy_device *phydev) +{ + unsigned int link = phydev->link; + int ret; + + ret = genphy_c45_read_status(phydev); + if (ret) + return ret; + + /* Bug workaround for TJA1120 enegineering samples: fix egress + * timestamps lost after link recovery. + */ + if (link && !phydev->link) { + phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_EPHY_RESETS, EPHY_PCS_RESET); 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If the MORE_TS bit is set and the VALID bit is not set, we know that we have a timestamp in the FIFO but not in the buffer. To move the new timestamp in the buffer registers, the current timestamp(which is invalid) is unlocked by writing any of the buffer registers. Signed-off-by: Radu Pirea (NXP OSS) --- drivers/net/phy/nxp-c45-tja11xx.c | 31 ++++++++++++++++++++++++++++--- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 0d22eb7534dc..3543c8fe099c 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -532,15 +532,30 @@ static bool nxp_c45_get_extts(struct nxp_c45_phy *priv, 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); + bool more_ts; bool valid; u16 reg; + reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, + regmap->vend1_ext_trg_ctrl); + more_ts = !!(reg & TJA1120_MORE_TS); + reg = phy_read_mmd(priv->phydev, MDIO_MMD_VEND1, TJA1120_VEND1_PTP_TRIG_DATA_S); valid = !!(reg & TJA1120_TS_VALID); if (valid) return nxp_c45_get_extts(priv, extts); + /* Bug workaround for TJA1120 enegineering samples: move the new + * timestamp from the FIFO to the buffer. + */ + if (more_ts) { + phy_write_mmd(priv->phydev, MDIO_MMD_VEND1, + regmap->vend1_ext_trg_ctrl, RING_DONE); + return nxp_c45_get_extts(priv, extts); + } + return valid; } @@ -588,15 +603,25 @@ 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); reg = phy_read_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_DATA_S); valid = !!(reg & TJA1120_TS_VALID); - if (!valid) - goto tja1120_get_hwtxts_out; - + if (!valid) { + if (!more_ts) + goto tja1120_get_hwtxts_out; + /* Bug workaround for TJA1120 enegineering samples: move the + * new timestamp from the FIFO to the buffer. + */ + phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, + TJA1120_EGRESS_TS_END, TJA1120_TS_VALID); + valid = true; + } nxp_c45_read_egress_ts(priv, hwts); phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1, TJA1120_EGRESS_TS_DATA_S, TJA1120_TS_VALID);