diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek')
-rw-r--r-- | drivers/net/ethernet/mediatek/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_path.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 192 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.h | 118 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe.c | 115 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe.h | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c | 9 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 8 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_ppe_regs.h | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/mediatek/mtk_sgmii.c | 207 |
11 files changed, 345 insertions, 361 deletions
diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig index 97374fb3ee79..da0db417ab69 100644 --- a/drivers/net/ethernet/mediatek/Kconfig +++ b/drivers/net/ethernet/mediatek/Kconfig @@ -19,6 +19,8 @@ config NET_MEDIATEK_SOC select DIMLIB select PAGE_POOL select PAGE_POOL_STATS + select PCS_MTK_LYNXI + select REGMAP_MMIO help This driver supports the gigabit ethernet MACs in the MediaTek SoC family. diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile index 8e0c61c33ff8..03e008fbc859 100644 --- a/drivers/net/ethernet/mediatek/Makefile +++ b/drivers/net/ethernet/mediatek/Makefile @@ -4,7 +4,7 @@ # obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o -mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o +mtk_eth-y := mtk_eth_soc.o mtk_eth_path.o mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed.o mtk_wed_mcu.o mtk_wed_wo.o ifdef CONFIG_DEBUG_FS mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed_debugfs.o diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c index 72648535a14d..317e447f4991 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_path.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c @@ -96,12 +96,20 @@ static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) { - unsigned int val = 0; + unsigned int val = 0, mask = 0, reg = 0; bool updated = true; switch (path) { case MTK_ETH_PATH_GMAC2_SGMII: - val = CO_QPHY_SEL; + if (MTK_HAS_CAPS(eth->soc->caps, MTK_U3_COPHY_V2)) { + reg = USB_PHY_SWITCH_REG; + val = SGMII_QPHY_SEL; + mask = QPHY_SEL_MASK; + } else { + reg = INFRA_MISC2; + val = CO_QPHY_SEL; + mask = val; + } break; default: updated = false; @@ -109,7 +117,7 @@ static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) } if (updated) - regmap_update_bits(eth->infra, INFRA_MISC2, CO_QPHY_SEL, val); + regmap_update_bits(eth->infra, reg, mask, val); dev_dbg(eth->dev, "path %s in %s updated = %d\n", mtk_eth_path_name(path), __func__, updated); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index e14050e17862..9e948d091a69 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -20,6 +20,7 @@ #include <linux/interrupt.h> #include <linux/pinctrl/devinfo.h> #include <linux/phylink.h> +#include <linux/pcs/pcs-mtk-lynxi.h> #include <linux/jhash.h> #include <linux/bitfield.h> #include <net/dsa.h> @@ -374,17 +375,6 @@ static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth, { u32 val; - /* Check DDR memory type. - * Currently TRGMII mode with DDR2 memory is not supported. - */ - regmap_read(eth->ethsys, ETHSYS_SYSCFG, &val); - if (interface == PHY_INTERFACE_MODE_TRGMII && - val & SYSCFG_DRAM_TYPE_DDR2) { - dev_err(eth->dev, - "TRGMII mode with DDR2 memory is not supported!\n"); - return -EOPNOTSUPP; - } - val = (interface == PHY_INTERFACE_MODE_TRGMII) ? ETHSYS_TRGMII_MT7621_DDR_PLL : 0; @@ -397,38 +387,42 @@ static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth, static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, phy_interface_t interface, int speed) { - u32 val; + unsigned long rate; + u32 tck, rck, intf; int ret; if (interface == PHY_INTERFACE_MODE_TRGMII) { mtk_w32(eth, TRGMII_MODE, INTF_MODE); - val = 500000000; - ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], val); + ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], 500000000); if (ret) dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret); return; } - val = (speed == SPEED_1000) ? - INTF_MODE_RGMII_1000 : INTF_MODE_RGMII_10_100; - mtk_w32(eth, val, INTF_MODE); + if (speed == SPEED_1000) { + intf = INTF_MODE_RGMII_1000; + rate = 250000000; + rck = RCK_CTRL_RGMII_1000; + tck = TCK_CTRL_RGMII_1000; + } else { + intf = INTF_MODE_RGMII_10_100; + rate = 500000000; + rck = RCK_CTRL_RGMII_10_100; + tck = TCK_CTRL_RGMII_10_100; + } + + mtk_w32(eth, intf, INTF_MODE); regmap_update_bits(eth->ethsys, ETHSYS_CLKCFG0, ETHSYS_TRGMII_CLK_SEL362_5, ETHSYS_TRGMII_CLK_SEL362_5); - val = (speed == SPEED_1000) ? 250000000 : 500000000; - ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], val); + ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], rate); if (ret) dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret); - val = (speed == SPEED_1000) ? - RCK_CTRL_RGMII_1000 : RCK_CTRL_RGMII_10_100; - mtk_w32(eth, val, TRGMII_RCK_CTRL); - - val = (speed == SPEED_1000) ? - TCK_CTRL_RGMII_1000 : TCK_CTRL_RGMII_10_100; - mtk_w32(eth, val, TRGMII_TCK_CTRL); + mtk_w32(eth, rck, TRGMII_RCK_CTRL); + mtk_w32(eth, tck, TRGMII_TCK_CTRL); } static struct phylink_pcs *mtk_mac_select_pcs(struct phylink_config *config, @@ -444,7 +438,7 @@ static struct phylink_pcs *mtk_mac_select_pcs(struct phylink_config *config, sid = (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_SGMII)) ? 0 : mac->id; - return mtk_sgmii_select_pcs(eth->sgmii, sid); + return eth->sgmii_pcs[sid]; } return NULL; @@ -465,19 +459,11 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, /* Setup soc pin functions */ switch (state->interface) { case PHY_INTERFACE_MODE_TRGMII: - if (mac->id) - goto err_phy; - if (!MTK_HAS_CAPS(mac->hw->soc->caps, - MTK_GMAC1_TRGMII)) - goto err_phy; - fallthrough; case PHY_INTERFACE_MODE_RGMII_TXID: case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_ID: case PHY_INTERFACE_MODE_RGMII: case PHY_INTERFACE_MODE_MII: - case PHY_INTERFACE_MODE_REVMII: - case PHY_INTERFACE_MODE_RMII: if (MTK_HAS_CAPS(eth->soc->caps, MTK_RGMII)) { err = mtk_gmac_rgmii_path_setup(eth, mac->id); if (err) @@ -487,11 +473,9 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, case PHY_INTERFACE_MODE_1000BASEX: case PHY_INTERFACE_MODE_2500BASEX: case PHY_INTERFACE_MODE_SGMII: - if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { - err = mtk_gmac_sgmii_path_setup(eth, mac->id); - if (err) - goto init_err; - } + err = mtk_gmac_sgmii_path_setup(eth, mac->id); + if (err) + goto init_err; break; case PHY_INTERFACE_MODE_GMII: if (MTK_HAS_CAPS(eth->soc->caps, MTK_GEPHY)) { @@ -539,21 +523,13 @@ static void mtk_mac_config(struct phylink_config *config, unsigned int mode, } } - ge_mode = 0; switch (state->interface) { case PHY_INTERFACE_MODE_MII: case PHY_INTERFACE_MODE_GMII: ge_mode = 1; break; - case PHY_INTERFACE_MODE_REVMII: - ge_mode = 2; - break; - case PHY_INTERFACE_MODE_RMII: - if (mac->id) - goto err_phy; - ge_mode = 3; - break; default: + ge_mode = 0; break; } @@ -789,8 +765,10 @@ static const struct phylink_mac_ops mtk_phylink_ops = { static int mtk_mdio_init(struct mtk_eth *eth) { + unsigned int max_clk = 2500000, divider; struct device_node *mii_np; int ret; + u32 val; mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); if (!mii_np) { @@ -818,6 +796,25 @@ static int mtk_mdio_init(struct mtk_eth *eth) eth->mii_bus->parent = eth->dev; snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); + + if (!of_property_read_u32(mii_np, "clock-frequency", &val)) { + if (val > MDC_MAX_FREQ || val < MDC_MAX_FREQ / MDC_MAX_DIVIDER) { + dev_err(eth->dev, "MDIO clock frequency out of range"); + ret = -EINVAL; + goto err_put_node; + } + max_clk = val; + } + divider = min_t(unsigned int, DIV_ROUND_UP(MDC_MAX_FREQ, max_clk), 63); + + /* Configure MDC Divider */ + val = mtk_r32(eth, MTK_PPSC); + val &= ~PPSC_MDC_CFG; + val |= FIELD_PREP(PPSC_MDC_CFG, divider) | PPSC_MDC_TURBO; + mtk_w32(eth, val, MTK_PPSC); + + dev_dbg(eth->dev, "MDC is running on %d Hz\n", MDC_MAX_FREQ / divider); + ret = of_mdiobus_register(eth->mii_bus, mii_np); err_put_node: @@ -4059,8 +4056,17 @@ static int mtk_unreg_dev(struct mtk_eth *eth) return 0; } +static void mtk_sgmii_destroy(struct mtk_eth *eth) +{ + int i; + + for (i = 0; i < MTK_MAX_DEVS; i++) + mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]); +} + static int mtk_cleanup(struct mtk_eth *eth) { + mtk_sgmii_destroy(eth); mtk_unreg_dev(eth); mtk_free_dev(eth); cancel_work_sync(ð->pending_work); @@ -4332,6 +4338,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) struct mtk_mac *mac; int id, err; int txqs = 1; + u32 val; if (!_id) { dev_err(eth->dev, "missing mac id\n"); @@ -4408,6 +4415,15 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) __set_bit(PHY_INTERFACE_MODE_TRGMII, mac->phylink_config.supported_interfaces); + /* TRGMII is not permitted on MT7621 if using DDR2 */ + if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII) && + MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII_MT7621_CLK)) { + regmap_read(eth->ethsys, ETHSYS_SYSCFG, &val); + if (val & SYSCFG_DRAM_TYPE_DDR2) + __clear_bit(PHY_INTERFACE_MODE_TRGMII, + mac->phylink_config.supported_interfaces); + } + if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_SGMII)) { __set_bit(PHY_INTERFACE_MODE_SGMII, mac->phylink_config.supported_interfaces); @@ -4496,6 +4512,36 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev) rtnl_unlock(); } +static int mtk_sgmii_init(struct mtk_eth *eth) +{ + struct device_node *np; + struct regmap *regmap; + u32 flags; + int i; + + for (i = 0; i < MTK_MAX_DEVS; i++) { + np = of_parse_phandle(eth->dev->of_node, "mediatek,sgmiisys", i); + if (!np) + break; + + regmap = syscon_node_to_regmap(np); + flags = 0; + if (of_property_read_bool(np, "mediatek,pnswap")) + flags |= MTK_SGMII_FLAG_PN_SWAP; + + of_node_put(np); + + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + eth->sgmii_pcs[i] = mtk_pcs_lynxi_create(eth->dev, regmap, + eth->soc->ana_rgc3, + flags); + } + + return 0; +} + static int mtk_probe(struct platform_device *pdev) { struct resource *res = NULL; @@ -4559,13 +4605,7 @@ static int mtk_probe(struct platform_device *pdev) } if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { - eth->sgmii = devm_kzalloc(eth->dev, sizeof(*eth->sgmii), - GFP_KERNEL); - if (!eth->sgmii) - return -ENOMEM; - - err = mtk_sgmii_init(eth->sgmii, pdev->dev.of_node, - eth->soc->ana_rgc3); + err = mtk_sgmii_init(eth); if (err) return err; @@ -4576,14 +4616,17 @@ static int mtk_probe(struct platform_device *pdev) "mediatek,pctl"); if (IS_ERR(eth->pctl)) { dev_err(&pdev->dev, "no pctl regmap found\n"); - return PTR_ERR(eth->pctl); + err = PTR_ERR(eth->pctl); + goto err_destroy_sgmii; } } if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; + if (!res) { + err = -EINVAL; + goto err_destroy_sgmii; + } } if (eth->soc->offload_version) { @@ -4693,8 +4736,8 @@ static int mtk_probe(struct platform_device *pdev) for (i = 0; i < num_ppe; i++) { u32 ppe_addr = eth->soc->reg_map->ppe_base + i * 0x400; - eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr, - eth->soc->offload_version, i); + eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr, i); + if (!eth->ppe[i]) { err = -ENOMEM; goto err_deinit_ppe; @@ -4742,6 +4785,8 @@ err_deinit_hw: mtk_hw_deinit(eth); err_wed_exit: mtk_wed_exit(); +err_destroy_sgmii: + mtk_sgmii_destroy(eth); return err; } @@ -4816,6 +4861,7 @@ static const struct mtk_soc_data mt7622_data = { .required_pctl = false, .offload_version = 2, .hash_offset = 2, + .has_accounting = true, .foe_entry_size = sizeof(struct mtk_foe_entry) - 16, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), @@ -4853,6 +4899,7 @@ static const struct mtk_soc_data mt7629_data = { .hw_features = MTK_HW_FEATURES, .required_clks = MT7629_CLKS_BITMAP, .required_pctl = false, + .has_accounting = true, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4863,6 +4910,27 @@ static const struct mtk_soc_data mt7629_data = { }, }; +static const struct mtk_soc_data mt7981_data = { + .reg_map = &mt7986_reg_map, + .ana_rgc3 = 0x128, + .caps = MT7981_CAPS, + .hw_features = MTK_HW_FEATURES, + .required_clks = MT7981_CLKS_BITMAP, + .required_pctl = false, + .offload_version = 2, + .hash_offset = 4, + .foe_entry_size = sizeof(struct mtk_foe_entry), + .has_accounting = true, + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma_v2), + .rxd_size = sizeof(struct mtk_rx_dma_v2), + .rx_irq_done_mask = MTK_RX_DONE_INT_V2, + .rx_dma_l4_valid = RX_DMA_L4_VALID_V2, + .dma_max_len = MTK_TX_DMA_BUF_LEN_V2, + .dma_len_offset = 8, + }, +}; + static const struct mtk_soc_data mt7986_data = { .reg_map = &mt7986_reg_map, .ana_rgc3 = 0x128, @@ -4873,6 +4941,7 @@ static const struct mtk_soc_data mt7986_data = { .offload_version = 2, .hash_offset = 4, .foe_entry_size = sizeof(struct mtk_foe_entry), + .has_accounting = true, .txrx = { .txd_size = sizeof(struct mtk_tx_dma_v2), .rxd_size = sizeof(struct mtk_rx_dma_v2), @@ -4905,6 +4974,7 @@ const struct of_device_id of_mtk_match[] = { { .compatible = "mediatek,mt7622-eth", .data = &mt7622_data}, { .compatible = "mediatek,mt7623-eth", .data = &mt7623_data}, { .compatible = "mediatek,mt7629-eth", .data = &mt7629_data}, + { .compatible = "mediatek,mt7981-eth", .data = &mt7981_data}, { .compatible = "mediatek,mt7986-eth", .data = &mt7986_data}, { .compatible = "ralink,rt5350-eth", .data = &rt5350_data}, {}, diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 084a6badef6d..23c7abeb5c14 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -363,6 +363,13 @@ #define RX_DMA_VTAG_V2 BIT(0) #define RX_DMA_L4_VALID_V2 BIT(2) +/* PHY Polling and SMI Master Control registers */ +#define MTK_PPSC 0x10000 +#define PPSC_MDC_CFG GENMASK(29, 24) +#define PPSC_MDC_TURBO BIT(20) +#define MDC_MAX_FREQ 25000000 +#define MDC_MAX_DIVIDER 63 + /* PHY Indirect Access Control registers */ #define MTK_PHY_IAC 0x10004 #define PHY_IAC_ACCESS BIT(31) @@ -503,64 +510,16 @@ #define ETHSYS_DMA_AG_MAP_QDMA BIT(1) #define ETHSYS_DMA_AG_MAP_PPE BIT(2) -/* SGMII subsystem config registers */ -/* BMCR (low 16) BMSR (high 16) */ -#define SGMSYS_PCS_CONTROL_1 0x0 -#define SGMII_BMCR GENMASK(15, 0) -#define SGMII_BMSR GENMASK(31, 16) -#define SGMII_AN_RESTART BIT(9) -#define SGMII_ISOLATE BIT(10) -#define SGMII_AN_ENABLE BIT(12) -#define SGMII_LINK_STATYS BIT(18) -#define SGMII_AN_ABILITY BIT(19) -#define SGMII_AN_COMPLETE BIT(21) -#define SGMII_PCS_FAULT BIT(23) -#define SGMII_AN_EXPANSION_CLR BIT(30) - -#define SGMSYS_PCS_ADVERTISE 0x8 -#define SGMII_ADVERTISE GENMASK(15, 0) -#define SGMII_LPA GENMASK(31, 16) - -/* Register to programmable link timer, the unit in 2 * 8ns */ -#define SGMSYS_PCS_LINK_TIMER 0x18 -#define SGMII_LINK_TIMER_MASK GENMASK(19, 0) -#define SGMII_LINK_TIMER_DEFAULT (0x186a0 & SGMII_LINK_TIMER_MASK) - -/* Register to control remote fault */ -#define SGMSYS_SGMII_MODE 0x20 -#define SGMII_IF_MODE_SGMII BIT(0) -#define SGMII_SPEED_DUPLEX_AN BIT(1) -#define SGMII_SPEED_MASK GENMASK(3, 2) -#define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0) -#define SGMII_SPEED_100 FIELD_PREP(SGMII_SPEED_MASK, 1) -#define SGMII_SPEED_1000 FIELD_PREP(SGMII_SPEED_MASK, 2) -#define SGMII_DUPLEX_HALF BIT(4) -#define SGMII_IF_MODE_BIT5 BIT(5) -#define SGMII_REMOTE_FAULT_DIS BIT(8) -#define SGMII_CODE_SYNC_SET_VAL BIT(9) -#define SGMII_CODE_SYNC_SET_EN BIT(10) -#define SGMII_SEND_AN_ERROR_EN BIT(11) -#define SGMII_IF_MODE_MASK GENMASK(5, 1) - -/* Register to reset SGMII design */ -#define SGMII_RESERVED_0 0x34 -#define SGMII_SW_RESET BIT(0) - -/* Register to set SGMII speed, ANA RG_ Control Signals III*/ -#define SGMSYS_ANA_RG_CS3 0x2028 -#define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) -#define RG_PHY_SPEED_1_25G 0x0 -#define RG_PHY_SPEED_3_125G BIT(2) - -/* Register to power up QPHY */ -#define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 -#define SGMII_PHYA_PWD BIT(4) - /* Infrasys subsystem config registers */ #define INFRA_MISC2 0x70c #define CO_QPHY_SEL BIT(0) #define GEPHY_MAC_SEL BIT(1) +/* Top misc registers */ +#define USB_PHY_SWITCH_REG 0x218 +#define QPHY_SEL_MASK GENMASK(1, 0) +#define SGMII_QPHY_SEL 0x2 + /* MT7628/88 specific stuff */ #define MT7628_PDMA_OFFSET 0x0800 #define MT7628_SDM_OFFSET 0x0c00 @@ -741,6 +700,17 @@ enum mtk_clks_map { BIT(MTK_CLK_SGMII2_CDR_FB) | \ BIT(MTK_CLK_SGMII_CK) | \ BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP)) +#define MT7981_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \ + BIT(MTK_CLK_WOCPU0) | \ + BIT(MTK_CLK_SGMII_TX_250M) | \ + BIT(MTK_CLK_SGMII_RX_250M) | \ + BIT(MTK_CLK_SGMII_CDR_REF) | \ + BIT(MTK_CLK_SGMII_CDR_FB) | \ + BIT(MTK_CLK_SGMII2_TX_250M) | \ + BIT(MTK_CLK_SGMII2_RX_250M) | \ + BIT(MTK_CLK_SGMII2_CDR_REF) | \ + BIT(MTK_CLK_SGMII2_CDR_FB) | \ + BIT(MTK_CLK_SGMII_CK)) #define MT7986_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \ BIT(MTK_CLK_WOCPU1) | BIT(MTK_CLK_WOCPU0) | \ BIT(MTK_CLK_SGMII_TX_250M) | \ @@ -854,6 +824,7 @@ enum mkt_eth_capabilities { MTK_NETSYS_V2_BIT, MTK_SOC_MT7628_BIT, MTK_RSTCTRL_PPE1_BIT, + MTK_U3_COPHY_V2_BIT, /* MUX BITS*/ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, @@ -888,6 +859,7 @@ enum mkt_eth_capabilities { #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT) +#define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT) #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) @@ -960,6 +932,11 @@ enum mkt_eth_capabilities { MTK_MUX_U3_GMAC2_TO_QPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) +#define MT7981_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ + MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ + MTK_MUX_U3_GMAC2_TO_QPHY | MTK_U3_COPHY_V2 | \ + MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1) + #define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1) @@ -1034,6 +1011,8 @@ struct mtk_reg_map { * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. * @foe_entry_size Foe table entry size. + * @has_accounting Bool indicating support for accounting of + * offloaded flows. * @txd_size Tx DMA descriptor size. * @rxd_size Rx DMA descriptor size. * @rx_irq_done_mask Rx irq done register mask. @@ -1051,6 +1030,7 @@ struct mtk_soc_data { u8 hash_offset; u16 foe_entry_size; netdev_features_t hw_features; + bool has_accounting; struct { u32 txd_size; u32 rxd_size; @@ -1066,29 +1046,6 @@ struct mtk_soc_data { /* currently no SoC has more than 2 macs */ #define MTK_MAX_DEVS 2 -/* struct mtk_pcs - This structure holds each sgmii regmap and associated - * data - * @regmap: The register map pointing at the range used to setup - * SGMII modes - * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap - * @interface: Currently configured interface mode - * @pcs: Phylink PCS structure - */ -struct mtk_pcs { - struct regmap *regmap; - u32 ana_rgc3; - phy_interface_t interface; - struct phylink_pcs pcs; -}; - -/* struct mtk_sgmii - This is the structure holding sgmii regmap and its - * characteristics - * @pcs Array of individual PCS structures - */ -struct mtk_sgmii { - struct mtk_pcs pcs[MTK_MAX_DEVS]; -}; - /* struct mtk_eth - This is the main datasructure for holding the state * of the driver * @dev: The device pointer @@ -1108,6 +1065,7 @@ struct mtk_sgmii { * MII modes * @infra: The register map pointing at the range used to setup * SGMII and GePHY path + * @sgmii_pcs: Pointers to mtk-pcs-lynxi phylink_pcs instances * @pctl: The register map pointing at the range used to setup * GMAC port drive/slew values * @dma_refcnt: track how many netdevs are using the DMA engine @@ -1148,8 +1106,8 @@ struct mtk_eth { u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; - struct regmap *infra; - struct mtk_sgmii *sgmii; + struct regmap *infra; + struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS]; struct regmap *pctl; bool hwlro; refcount_t dma_refcnt; @@ -1311,10 +1269,6 @@ void mtk_stats_update_mac(struct mtk_mac *mac); void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); -struct phylink_pcs *mtk_sgmii_select_pcs(struct mtk_sgmii *ss, int id); -int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, - u32 ana_rgc3); - int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index fd07d6e14273..f9c9f2ea4206 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -75,6 +75,48 @@ static int mtk_ppe_wait_busy(struct mtk_ppe *ppe) return ret; } +static int mtk_ppe_mib_wait_busy(struct mtk_ppe *ppe) +{ + int ret; + u32 val; + + ret = readl_poll_timeout(ppe->base + MTK_PPE_MIB_SER_CR, val, + !(val & MTK_PPE_MIB_SER_CR_ST), + 20, MTK_PPE_WAIT_TIMEOUT_US); + + if (ret) + dev_err(ppe->dev, "MIB table busy"); + + return ret; +} + +static int mtk_mib_entry_read(struct mtk_ppe *ppe, u16 index, u64 *bytes, u64 *packets) +{ + u32 byte_cnt_low, byte_cnt_high, pkt_cnt_low, pkt_cnt_high; + u32 val, cnt_r0, cnt_r1, cnt_r2; + int ret; + + val = FIELD_PREP(MTK_PPE_MIB_SER_CR_ADDR, index) | MTK_PPE_MIB_SER_CR_ST; + ppe_w32(ppe, MTK_PPE_MIB_SER_CR, val); + + ret = mtk_ppe_mib_wait_busy(ppe); + if (ret) + return ret; + + cnt_r0 = readl(ppe->base + MTK_PPE_MIB_SER_R0); + cnt_r1 = readl(ppe->base + MTK_PPE_MIB_SER_R1); + cnt_r2 = readl(ppe->base + MTK_PPE_MIB_SER_R2); + + byte_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW, cnt_r0); + byte_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH, cnt_r1); + pkt_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R1_PKT_CNT_LOW, cnt_r1); + pkt_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH, cnt_r2); + *bytes = ((u64)byte_cnt_high << 32) | byte_cnt_low; + *packets = (pkt_cnt_high << 16) | pkt_cnt_low; + + return 0; +} + static void mtk_ppe_cache_clear(struct mtk_ppe *ppe) { ppe_set(ppe, MTK_PPE_CACHE_CTL, MTK_PPE_CACHE_CTL_CLEAR); @@ -460,6 +502,14 @@ __mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID); dma_wmb(); mtk_ppe_cache_clear(ppe); + + if (ppe->accounting) { + struct mtk_foe_accounting *acct; + + acct = ppe->acct_table + entry->hash * sizeof(*acct); + acct->packets = 0; + acct->bytes = 0; + } } entry->hash = 0xffff; @@ -567,6 +617,9 @@ __mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry, wmb(); hwe->ib1 = entry->ib1; + if (ppe->accounting) + *mtk_foe_entry_ib2(eth, hwe) |= MTK_FOE_IB2_MIB_CNT; + dma_wmb(); mtk_ppe_cache_clear(ppe); @@ -760,11 +813,39 @@ int mtk_ppe_prepare_reset(struct mtk_ppe *ppe) return mtk_ppe_wait_busy(ppe); } -struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, - int version, int index) +struct mtk_foe_accounting *mtk_foe_entry_get_mib(struct mtk_ppe *ppe, u32 index, + struct mtk_foe_accounting *diff) { + struct mtk_foe_accounting *acct; + int size = sizeof(struct mtk_foe_accounting); + u64 bytes, packets; + + if (!ppe->accounting) + return NULL; + + if (mtk_mib_entry_read(ppe, index, &bytes, &packets)) + return NULL; + + acct = ppe->acct_table + index * size; + + acct->bytes += bytes; + acct->packets += packets; + + if (diff) { + diff->bytes = bytes; + diff->packets = packets; + } + + return acct; +} + +struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index) +{ + bool accounting = eth->soc->has_accounting; const struct mtk_soc_data *soc = eth->soc; + struct mtk_foe_accounting *acct; struct device *dev = eth->dev; + struct mtk_mib_entry *mib; struct mtk_ppe *ppe; u32 foe_flow_size; void *foe; @@ -781,7 +862,8 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, ppe->base = base; ppe->eth = eth; ppe->dev = dev; - ppe->version = version; + ppe->version = eth->soc->offload_version; + ppe->accounting = accounting; foe = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * soc->foe_entry_size, @@ -797,6 +879,23 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, if (!ppe->foe_flow) goto err_free_l2_flows; + if (accounting) { + mib = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * sizeof(*mib), + &ppe->mib_phys, GFP_KERNEL); + if (!mib) + return NULL; + + ppe->mib_table = mib; + + acct = devm_kzalloc(dev, MTK_PPE_ENTRIES * sizeof(*acct), + GFP_KERNEL); + + if (!acct) + return NULL; + + ppe->acct_table = acct; + } + mtk_ppe_debugfs_init(ppe, index); return ppe; @@ -926,6 +1025,16 @@ void mtk_ppe_start(struct mtk_ppe *ppe) ppe_w32(ppe, MTK_PPE_DEFAULT_CPU_PORT1, 0xcb777); ppe_w32(ppe, MTK_PPE_SBW_CTRL, 0x7f); } + + if (ppe->accounting && ppe->mib_phys) { + ppe_w32(ppe, MTK_PPE_MIB_TB_BASE, ppe->mib_phys); + ppe_m32(ppe, MTK_PPE_MIB_CFG, MTK_PPE_MIB_CFG_EN, + MTK_PPE_MIB_CFG_EN); + ppe_m32(ppe, MTK_PPE_MIB_CFG, MTK_PPE_MIB_CFG_RD_CLR, + MTK_PPE_MIB_CFG_RD_CLR); + ppe_m32(ppe, MTK_PPE_MIB_CACHE_CTL, MTK_PPE_MIB_CACHE_CTL_EN, + MTK_PPE_MIB_CFG_RD_CLR); + } } int mtk_ppe_stop(struct mtk_ppe *ppe) diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h index 5e8bc48252b1..e1aab2e8e262 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h @@ -57,6 +57,7 @@ enum { #define MTK_FOE_IB2_MULTICAST BIT(8) #define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12) +#define MTK_FOE_IB2_MIB_CNT BIT(15) #define MTK_FOE_IB2_WDMA_DEVIDX BIT(16) #define MTK_FOE_IB2_WDMA_WINFO BIT(17) @@ -285,16 +286,34 @@ struct mtk_flow_entry { unsigned long cookie; }; +struct mtk_mib_entry { + u32 byt_cnt_l; + u16 byt_cnt_h; + u32 pkt_cnt_l; + u8 pkt_cnt_h; + u8 _rsv0; + u32 _rsv1; +} __packed; + +struct mtk_foe_accounting { + u64 bytes; + u64 packets; +}; + struct mtk_ppe { struct mtk_eth *eth; struct device *dev; void __iomem *base; int version; char dirname[5]; + bool accounting; void *foe_table; dma_addr_t foe_phys; + struct mtk_mib_entry *mib_table; + dma_addr_t mib_phys; + u16 foe_check_time[MTK_PPE_ENTRIES]; struct hlist_head *foe_flow; @@ -303,8 +322,8 @@ struct mtk_ppe { void *acct_table; }; -struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, - int version, int index); +struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index); + void mtk_ppe_deinit(struct mtk_eth *eth); void mtk_ppe_start(struct mtk_ppe *ppe); int mtk_ppe_stop(struct mtk_ppe *ppe); @@ -359,5 +378,7 @@ int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_ppe_debugfs_init(struct mtk_ppe *ppe, int index); +struct mtk_foe_accounting *mtk_foe_entry_get_mib(struct mtk_ppe *ppe, u32 index, + struct mtk_foe_accounting *diff); #endif diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c index 391b071bcff3..53cf87e9acbb 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c @@ -82,6 +82,7 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) struct mtk_foe_entry *entry = mtk_foe_get_entry(ppe, i); struct mtk_foe_mac_info *l2; struct mtk_flow_addr_info ai = {}; + struct mtk_foe_accounting *acct; unsigned char h_source[ETH_ALEN]; unsigned char h_dest[ETH_ALEN]; int type, state; @@ -95,6 +96,8 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) if (bind && state != MTK_FOE_STATE_BIND) continue; + acct = mtk_foe_entry_get_mib(ppe, i, NULL); + type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); seq_printf(m, "%05x %s %7s", i, mtk_foe_entry_state_str(state), @@ -153,9 +156,11 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) *((__be16 *)&h_dest[4]) = htons(l2->dest_mac_lo); seq_printf(m, " eth=%pM->%pM etype=%04x" - " vlan=%d,%d ib1=%08x ib2=%08x\n", + " vlan=%d,%d ib1=%08x ib2=%08x" + " packets=%llu bytes=%llu\n", h_source, h_dest, ntohs(l2->etype), - l2->vlan1, l2->vlan2, entry->ib1, ib2); + l2->vlan1, l2->vlan2, entry->ib1, ib2, + acct ? acct->packets : 0, acct ? acct->bytes : 0); } return 0; diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c index 161751bb36c9..46634dc29d2f 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c @@ -497,6 +497,7 @@ static int mtk_flow_offload_stats(struct mtk_eth *eth, struct flow_cls_offload *f) { struct mtk_flow_entry *entry; + struct mtk_foe_accounting diff; u32 idle; entry = rhashtable_lookup(ð->flow_table, &f->cookie, @@ -507,6 +508,13 @@ mtk_flow_offload_stats(struct mtk_eth *eth, struct flow_cls_offload *f) idle = mtk_foe_entry_idle_time(eth->ppe[entry->ppe_index], entry); f->stats.lastused = jiffies - idle * HZ; + if (entry->hash != 0xFFFF && + mtk_foe_entry_get_mib(eth->ppe[entry->ppe_index], entry->hash, + &diff)) { + f->stats.pkts += diff.packets; + f->stats.bytes += diff.bytes; + } + return 0; } diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_regs.h b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h index 0fdb983b0a88..a2e61b3eb006 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_regs.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h @@ -149,6 +149,20 @@ enum { #define MTK_PPE_MIB_TB_BASE 0x338 +#define MTK_PPE_MIB_SER_CR 0x33C +#define MTK_PPE_MIB_SER_CR_ST BIT(16) +#define MTK_PPE_MIB_SER_CR_ADDR GENMASK(13, 0) + +#define MTK_PPE_MIB_SER_R0 0x340 +#define MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW GENMASK(31, 0) + +#define MTK_PPE_MIB_SER_R1 0x344 +#define MTK_PPE_MIB_SER_R1_PKT_CNT_LOW GENMASK(31, 16) +#define MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH GENMASK(15, 0) + +#define MTK_PPE_MIB_SER_R2 0x348 +#define MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH GENMASK(23, 0) + #define MTK_PPE_MIB_CACHE_CTL 0x350 #define MTK_PPE_MIB_CACHE_CTL_EN BIT(0) #define MTK_PPE_MIB_CACHE_CTL_FLUSH BIT(2) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c deleted file mode 100644 index 83976dc86887..000000000000 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ /dev/null @@ -1,207 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (c) 2018-2019 MediaTek Inc. - -/* A library for MediaTek SGMII circuit - * - * Author: Sean Wang <sean.wang@mediatek.com> - * - */ - -#include <linux/mfd/syscon.h> -#include <linux/of.h> -#include <linux/phylink.h> -#include <linux/regmap.h> - -#include "mtk_eth_soc.h" - -static struct mtk_pcs *pcs_to_mtk_pcs(struct phylink_pcs *pcs) -{ - return container_of(pcs, struct mtk_pcs, pcs); -} - -static void mtk_pcs_get_state(struct phylink_pcs *pcs, - struct phylink_link_state *state) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int bm, adv; - - /* Read the BMSR and LPA */ - regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); - regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); - - phylink_mii_c22_pcs_decode_state(state, FIELD_GET(SGMII_BMSR, bm), - FIELD_GET(SGMII_LPA, adv)); -} - -static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, - phy_interface_t interface, - const unsigned long *advertising, - bool permit_pause_to_mac) -{ - bool mode_changed = false, changed, use_an; - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int rgc3, sgm_mode, bmcr; - int advertise, link_timer; - - advertise = phylink_mii_c22_pcs_encode_advertisement(interface, - advertising); - if (advertise < 0) - return advertise; - - /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and - * we assume that fixes it's speed at bitrate = line rate (in - * other words, 1000Mbps or 2500Mbps). - */ - if (interface == PHY_INTERFACE_MODE_SGMII) { - sgm_mode = SGMII_IF_MODE_SGMII; - if (phylink_autoneg_inband(mode)) { - sgm_mode |= SGMII_REMOTE_FAULT_DIS | - SGMII_SPEED_DUPLEX_AN; - use_an = true; - } else { - use_an = false; - } - } else if (phylink_autoneg_inband(mode)) { - /* 1000base-X or 2500base-X autoneg */ - sgm_mode = SGMII_REMOTE_FAULT_DIS; - use_an = linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, - advertising); - } else { - /* 1000base-X or 2500base-X without autoneg */ - sgm_mode = 0; - use_an = false; - } - - if (use_an) { - bmcr = SGMII_AN_ENABLE; - } else { - bmcr = 0; - } - - if (mpcs->interface != interface) { - link_timer = phylink_get_link_timer_ns(interface); - if (link_timer < 0) - return link_timer; - - /* PHYA power down */ - regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, - SGMII_PHYA_PWD, SGMII_PHYA_PWD); - - /* Reset SGMII PCS state */ - regmap_update_bits(mpcs->regmap, SGMII_RESERVED_0, - SGMII_SW_RESET, SGMII_SW_RESET); - - if (interface == PHY_INTERFACE_MODE_2500BASEX) - rgc3 = RG_PHY_SPEED_3_125G; - else - rgc3 = 0; - - /* Configure the underlying interface speed */ - regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, - RG_PHY_SPEED_3_125G, rgc3); - - /* Setup the link timer */ - regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); - - mpcs->interface = interface; - mode_changed = true; - } - - /* Update the advertisement, noting whether it has changed */ - regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, - SGMII_ADVERTISE, advertise, &changed); - - /* Update the sgmsys mode register */ - regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, - SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | - SGMII_IF_MODE_SGMII, sgm_mode); - - /* Update the BMCR */ - regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, - SGMII_AN_ENABLE, bmcr); - - /* Release PHYA power down state - * Only removing bit SGMII_PHYA_PWD isn't enough. - * There are cases when the SGMII_PHYA_PWD register contains 0x9 which - * prevents SGMII from working. The SGMII still shows link but no traffic - * can flow. Writing 0x0 to the PHYA_PWD register fix the issue. 0x0 was - * taken from a good working state of the SGMII interface. - * Unknown how much the QPHY needs but it is racy without a sleep. - * Tested on mt7622 & mt7986. - */ - usleep_range(50, 100); - regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); - - return changed || mode_changed; -} - -static void mtk_pcs_restart_an(struct phylink_pcs *pcs) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - - regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, - SGMII_AN_RESTART, SGMII_AN_RESTART); -} - -static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, - phy_interface_t interface, int speed, int duplex) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int sgm_mode; - - if (!phylink_autoneg_inband(mode)) { - /* Force the speed and duplex setting */ - if (speed == SPEED_10) - sgm_mode = SGMII_SPEED_10; - else if (speed == SPEED_100) - sgm_mode = SGMII_SPEED_100; - else - sgm_mode = SGMII_SPEED_1000; - - if (duplex != DUPLEX_FULL) - sgm_mode |= SGMII_DUPLEX_HALF; - - regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, - SGMII_DUPLEX_HALF | SGMII_SPEED_MASK, - sgm_mode); - } -} - -static const struct phylink_pcs_ops mtk_pcs_ops = { - .pcs_get_state = mtk_pcs_get_state, - .pcs_config = mtk_pcs_config, - .pcs_an_restart = mtk_pcs_restart_an, - .pcs_link_up = mtk_pcs_link_up, -}; - -int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3) -{ - struct device_node *np; - int i; - - for (i = 0; i < MTK_MAX_DEVS; i++) { - np = of_parse_phandle(r, "mediatek,sgmiisys", i); - if (!np) - break; - - ss->pcs[i].ana_rgc3 = ana_rgc3; - ss->pcs[i].regmap = syscon_node_to_regmap(np); - of_node_put(np); - if (IS_ERR(ss->pcs[i].regmap)) - return PTR_ERR(ss->pcs[i].regmap); - - ss->pcs[i].pcs.ops = &mtk_pcs_ops; - ss->pcs[i].pcs.poll = true; - ss->pcs[i].interface = PHY_INTERFACE_MODE_NA; - } - - return 0; -} - -struct phylink_pcs *mtk_sgmii_select_pcs(struct mtk_sgmii *ss, int id) -{ - if (!ss->pcs[id].regmap) - return NULL; - - return &ss->pcs[id].pcs; -} |