| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * |
| * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> |
| * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> |
| * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> |
| */ |
| |
| #ifndef MTK_ETH_H |
| #define MTK_ETH_H |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/netdevice.h> |
| #include <linux/of_net.h> |
| #include <linux/u64_stats_sync.h> |
| #include <linux/refcount.h> |
| #include <linux/phylink.h> |
| |
| #define MTK_QDMA_PAGE_SIZE 2048 |
| #define MTK_MAX_RX_LENGTH 1536 |
| #define MTK_TX_DMA_BUF_LEN 0x3fff |
| #define MTK_DMA_SIZE 256 |
| #define MTK_NAPI_WEIGHT 64 |
| #define MTK_MAC_COUNT 2 |
| #define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) |
| #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) |
| #define MTK_DMA_DUMMY_DESC 0xffffffff |
| #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \ |
| NETIF_MSG_PROBE | \ |
| NETIF_MSG_LINK | \ |
| NETIF_MSG_TIMER | \ |
| NETIF_MSG_IFDOWN | \ |
| NETIF_MSG_IFUP | \ |
| NETIF_MSG_RX_ERR | \ |
| NETIF_MSG_TX_ERR) |
| #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \ |
| NETIF_F_RXCSUM | \ |
| NETIF_F_HW_VLAN_CTAG_TX | \ |
| NETIF_F_HW_VLAN_CTAG_RX | \ |
| NETIF_F_SG | NETIF_F_TSO | \ |
| NETIF_F_TSO6 | \ |
| NETIF_F_IPV6_CSUM) |
| #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM) |
| #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) |
| |
| #define MTK_MAX_RX_RING_NUM 4 |
| #define MTK_HW_LRO_DMA_SIZE 8 |
| |
| #define MTK_MAX_LRO_RX_LENGTH (4096 * 3) |
| #define MTK_MAX_LRO_IP_CNT 2 |
| #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */ |
| #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */ |
| #define MTK_HW_LRO_AGG_TIME 10 /* 200us */ |
| #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */ |
| #define MTK_HW_LRO_MAX_AGG_CNT 64 |
| #define MTK_HW_LRO_BW_THRE 3000 |
| #define MTK_HW_LRO_REPLACE_DELTA 1000 |
| #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522 |
| |
| /* Frame Engine Global Reset Register */ |
| #define MTK_RST_GL 0x04 |
| #define RST_GL_PSE BIT(0) |
| |
| /* Frame Engine Interrupt Status Register */ |
| #define MTK_INT_STATUS2 0x08 |
| #define MTK_GDM1_AF BIT(28) |
| #define MTK_GDM2_AF BIT(29) |
| |
| /* PDMA HW LRO Alter Flow Timer Register */ |
| #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c |
| |
| /* Frame Engine Interrupt Grouping Register */ |
| #define MTK_FE_INT_GRP 0x20 |
| |
| /* CDMP Ingress Control Register */ |
| #define MTK_CDMQ_IG_CTRL 0x1400 |
| #define MTK_CDMQ_STAG_EN BIT(0) |
| |
| /* CDMP Exgress Control Register */ |
| #define MTK_CDMP_EG_CTRL 0x404 |
| |
| /* GDM Exgress Control Register */ |
| #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000)) |
| #define MTK_GDMA_ICS_EN BIT(22) |
| #define MTK_GDMA_TCS_EN BIT(21) |
| #define MTK_GDMA_UCS_EN BIT(20) |
| #define MTK_GDMA_TO_PDMA 0x0 |
| #define MTK_GDMA_DROP_ALL 0x7777 |
| |
| /* Unicast Filter MAC Address Register - Low */ |
| #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) |
| |
| /* Unicast Filter MAC Address Register - High */ |
| #define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000)) |
| |
| /* PDMA RX Base Pointer Register */ |
| #define MTK_PRX_BASE_PTR0 0x900 |
| #define MTK_PRX_BASE_PTR_CFG(x) (MTK_PRX_BASE_PTR0 + (x * 0x10)) |
| |
| /* PDMA RX Maximum Count Register */ |
| #define MTK_PRX_MAX_CNT0 0x904 |
| #define MTK_PRX_MAX_CNT_CFG(x) (MTK_PRX_MAX_CNT0 + (x * 0x10)) |
| |
| /* PDMA RX CPU Pointer Register */ |
| #define MTK_PRX_CRX_IDX0 0x908 |
| #define MTK_PRX_CRX_IDX_CFG(x) (MTK_PRX_CRX_IDX0 + (x * 0x10)) |
| |
| /* PDMA HW LRO Control Registers */ |
| #define MTK_PDMA_LRO_CTRL_DW0 0x980 |
| #define MTK_LRO_EN BIT(0) |
| #define MTK_L3_CKS_UPD_EN BIT(7) |
| #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21) |
| #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26) |
| #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29) |
| |
| #define MTK_PDMA_LRO_CTRL_DW1 0x984 |
| #define MTK_PDMA_LRO_CTRL_DW2 0x988 |
| #define MTK_PDMA_LRO_CTRL_DW3 0x98c |
| #define MTK_ADMA_MODE BIT(15) |
| #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16) |
| |
| /* PDMA Global Configuration Register */ |
| #define MTK_PDMA_GLO_CFG 0xa04 |
| #define MTK_MULTI_EN BIT(10) |
| #define MTK_PDMA_SIZE_8DWORDS (1 << 4) |
| |
| /* PDMA Reset Index Register */ |
| #define MTK_PDMA_RST_IDX 0xa08 |
| #define MTK_PST_DRX_IDX0 BIT(16) |
| #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x)) |
| |
| /* PDMA Delay Interrupt Register */ |
| #define MTK_PDMA_DELAY_INT 0xa0c |
| #define MTK_PDMA_DELAY_RX_EN BIT(15) |
| #define MTK_PDMA_DELAY_RX_PINT 4 |
| #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8 |
| #define MTK_PDMA_DELAY_RX_PTIME 4 |
| #define MTK_PDMA_DELAY_RX_DELAY \ |
| (MTK_PDMA_DELAY_RX_EN | MTK_PDMA_DELAY_RX_PTIME | \ |
| (MTK_PDMA_DELAY_RX_PINT << MTK_PDMA_DELAY_RX_PINT_SHIFT)) |
| |
| /* PDMA Interrupt Status Register */ |
| #define MTK_PDMA_INT_STATUS 0xa20 |
| |
| /* PDMA Interrupt Mask Register */ |
| #define MTK_PDMA_INT_MASK 0xa28 |
| |
| /* PDMA HW LRO Alter Flow Delta Register */ |
| #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c |
| |
| /* PDMA Interrupt grouping registers */ |
| #define MTK_PDMA_INT_GRP1 0xa50 |
| #define MTK_PDMA_INT_GRP2 0xa54 |
| |
| /* PDMA HW LRO IP Setting Registers */ |
| #define MTK_LRO_RX_RING0_DIP_DW0 0xb04 |
| #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40)) |
| #define MTK_RING_MYIP_VLD BIT(9) |
| |
| /* PDMA HW LRO Ring Control Registers */ |
| #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28 |
| #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c |
| #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30 |
| #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40)) |
| #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40)) |
| #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40)) |
| #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22) |
| #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f) |
| #define MTK_RING_AUTO_LERAN_MODE (3 << 6) |
| #define MTK_RING_VLD BIT(8) |
| #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10) |
| #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26) |
| #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3) |
| |
| /* QDMA TX Queue Configuration Registers */ |
| #define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) |
| #define QDMA_RES_THRES 4 |
| |
| /* QDMA TX Queue Scheduler Registers */ |
| #define MTK_QTX_SCH(x) (0x1804 + (x * 0x10)) |
| |
| /* QDMA RX Base Pointer Register */ |
| #define MTK_QRX_BASE_PTR0 0x1900 |
| |
| /* QDMA RX Maximum Count Register */ |
| #define MTK_QRX_MAX_CNT0 0x1904 |
| |
| /* QDMA RX CPU Pointer Register */ |
| #define MTK_QRX_CRX_IDX0 0x1908 |
| |
| /* QDMA RX DMA Pointer Register */ |
| #define MTK_QRX_DRX_IDX0 0x190C |
| |
| /* QDMA Global Configuration Register */ |
| #define MTK_QDMA_GLO_CFG 0x1A04 |
| #define MTK_RX_2B_OFFSET BIT(31) |
| #define MTK_RX_BT_32DWORDS (3 << 11) |
| #define MTK_NDP_CO_PRO BIT(10) |
| #define MTK_TX_WB_DDONE BIT(6) |
| #define MTK_DMA_SIZE_16DWORDS (2 << 4) |
| #define MTK_RX_DMA_BUSY BIT(3) |
| #define MTK_TX_DMA_BUSY BIT(1) |
| #define MTK_RX_DMA_EN BIT(2) |
| #define MTK_TX_DMA_EN BIT(0) |
| #define MTK_DMA_BUSY_TIMEOUT HZ |
| |
| /* QDMA Reset Index Register */ |
| #define MTK_QDMA_RST_IDX 0x1A08 |
| |
| /* QDMA Delay Interrupt Register */ |
| #define MTK_QDMA_DELAY_INT 0x1A0C |
| |
| /* QDMA Flow Control Register */ |
| #define MTK_QDMA_FC_THRES 0x1A10 |
| #define FC_THRES_DROP_MODE BIT(20) |
| #define FC_THRES_DROP_EN (7 << 16) |
| #define FC_THRES_MIN 0x4444 |
| |
| /* QDMA Interrupt Status Register */ |
| #define MTK_QDMA_INT_STATUS 0x1A18 |
| #define MTK_RX_DONE_DLY BIT(30) |
| #define MTK_RX_DONE_INT3 BIT(19) |
| #define MTK_RX_DONE_INT2 BIT(18) |
| #define MTK_RX_DONE_INT1 BIT(17) |
| #define MTK_RX_DONE_INT0 BIT(16) |
| #define MTK_TX_DONE_INT3 BIT(3) |
| #define MTK_TX_DONE_INT2 BIT(2) |
| #define MTK_TX_DONE_INT1 BIT(1) |
| #define MTK_TX_DONE_INT0 BIT(0) |
| #define MTK_RX_DONE_INT MTK_RX_DONE_DLY |
| #define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ |
| MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) |
| |
| /* QDMA Interrupt grouping registers */ |
| #define MTK_QDMA_INT_GRP1 0x1a20 |
| #define MTK_QDMA_INT_GRP2 0x1a24 |
| #define MTK_RLS_DONE_INT BIT(0) |
| |
| /* QDMA Interrupt Status Register */ |
| #define MTK_QDMA_INT_MASK 0x1A1C |
| |
| /* QDMA Interrupt Mask Register */ |
| #define MTK_QDMA_HRED2 0x1A44 |
| |
| /* QDMA TX Forward CPU Pointer Register */ |
| #define MTK_QTX_CTX_PTR 0x1B00 |
| |
| /* QDMA TX Forward DMA Pointer Register */ |
| #define MTK_QTX_DTX_PTR 0x1B04 |
| |
| /* QDMA TX Release CPU Pointer Register */ |
| #define MTK_QTX_CRX_PTR 0x1B10 |
| |
| /* QDMA TX Release DMA Pointer Register */ |
| #define MTK_QTX_DRX_PTR 0x1B14 |
| |
| /* QDMA FQ Head Pointer Register */ |
| #define MTK_QDMA_FQ_HEAD 0x1B20 |
| |
| /* QDMA FQ Head Pointer Register */ |
| #define MTK_QDMA_FQ_TAIL 0x1B24 |
| |
| /* QDMA FQ Free Page Counter Register */ |
| #define MTK_QDMA_FQ_CNT 0x1B28 |
| |
| /* QDMA FQ Free Page Buffer Length Register */ |
| #define MTK_QDMA_FQ_BLEN 0x1B2C |
| |
| /* GMA1 counter / statics register */ |
| #define MTK_GDM1_RX_GBCNT_L 0x2400 |
| #define MTK_GDM1_RX_GBCNT_H 0x2404 |
| #define MTK_GDM1_RX_GPCNT 0x2408 |
| #define MTK_GDM1_RX_OERCNT 0x2410 |
| #define MTK_GDM1_RX_FERCNT 0x2414 |
| #define MTK_GDM1_RX_SERCNT 0x2418 |
| #define MTK_GDM1_RX_LENCNT 0x241c |
| #define MTK_GDM1_RX_CERCNT 0x2420 |
| #define MTK_GDM1_RX_FCCNT 0x2424 |
| #define MTK_GDM1_TX_SKIPCNT 0x2428 |
| #define MTK_GDM1_TX_COLCNT 0x242c |
| #define MTK_GDM1_TX_GBCNT_L 0x2430 |
| #define MTK_GDM1_TX_GBCNT_H 0x2434 |
| #define MTK_GDM1_TX_GPCNT 0x2438 |
| #define MTK_STAT_OFFSET 0x40 |
| |
| /* QDMA descriptor txd4 */ |
| #define TX_DMA_CHKSUM (0x7 << 29) |
| #define TX_DMA_TSO BIT(28) |
| #define TX_DMA_FPORT_SHIFT 25 |
| #define TX_DMA_FPORT_MASK 0x7 |
| #define TX_DMA_INS_VLAN BIT(16) |
| |
| /* QDMA descriptor txd3 */ |
| #define TX_DMA_OWNER_CPU BIT(31) |
| #define TX_DMA_LS0 BIT(30) |
| #define TX_DMA_PLEN0(_x) (((_x) & MTK_TX_DMA_BUF_LEN) << 16) |
| #define TX_DMA_PLEN1(_x) ((_x) & MTK_TX_DMA_BUF_LEN) |
| #define TX_DMA_SWC BIT(14) |
| #define TX_DMA_SDL(_x) (((_x) & 0x3fff) << 16) |
| |
| /* PDMA on MT7628 */ |
| #define TX_DMA_DONE BIT(31) |
| #define TX_DMA_LS1 BIT(14) |
| #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) |
| |
| /* QDMA descriptor rxd2 */ |
| #define RX_DMA_DONE BIT(31) |
| #define RX_DMA_LSO BIT(30) |
| #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) |
| #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) |
| #define RX_DMA_VTAG BIT(15) |
| |
| /* QDMA descriptor rxd3 */ |
| #define RX_DMA_VID(_x) ((_x) & 0xfff) |
| |
| /* QDMA descriptor rxd4 */ |
| #define RX_DMA_L4_VALID BIT(24) |
| #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ |
| #define RX_DMA_FPORT_SHIFT 19 |
| #define RX_DMA_FPORT_MASK 0x7 |
| |
| /* PHY Indirect Access Control registers */ |
| #define MTK_PHY_IAC 0x10004 |
| #define PHY_IAC_ACCESS BIT(31) |
| #define PHY_IAC_READ BIT(19) |
| #define PHY_IAC_WRITE BIT(18) |
| #define PHY_IAC_START BIT(16) |
| #define PHY_IAC_ADDR_SHIFT 20 |
| #define PHY_IAC_REG_SHIFT 25 |
| #define PHY_IAC_TIMEOUT HZ |
| |
| #define MTK_MAC_MISC 0x1000c |
| #define MTK_MUX_TO_ESW BIT(0) |
| |
| /* Mac control registers */ |
| #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100)) |
| #define MAC_MCR_MAX_RX_1536 BIT(24) |
| #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) |
| #define MAC_MCR_FORCE_MODE BIT(15) |
| #define MAC_MCR_TX_EN BIT(14) |
| #define MAC_MCR_RX_EN BIT(13) |
| #define MAC_MCR_BACKOFF_EN BIT(9) |
| #define MAC_MCR_BACKPR_EN BIT(8) |
| #define MAC_MCR_FORCE_RX_FC BIT(5) |
| #define MAC_MCR_FORCE_TX_FC BIT(4) |
| #define MAC_MCR_SPEED_1000 BIT(3) |
| #define MAC_MCR_SPEED_100 BIT(2) |
| #define MAC_MCR_FORCE_DPX BIT(1) |
| #define MAC_MCR_FORCE_LINK BIT(0) |
| #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE) |
| |
| /* Mac status registers */ |
| #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100)) |
| #define MAC_MSR_EEE1G BIT(7) |
| #define MAC_MSR_EEE100M BIT(6) |
| #define MAC_MSR_RX_FC BIT(5) |
| #define MAC_MSR_TX_FC BIT(4) |
| #define MAC_MSR_SPEED_1000 BIT(3) |
| #define MAC_MSR_SPEED_100 BIT(2) |
| #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100) |
| #define MAC_MSR_DPX BIT(1) |
| #define MAC_MSR_LINK BIT(0) |
| |
| /* TRGMII RXC control register */ |
| #define TRGMII_RCK_CTRL 0x10300 |
| #define DQSI0(x) ((x << 0) & GENMASK(6, 0)) |
| #define DQSI1(x) ((x << 8) & GENMASK(14, 8)) |
| #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) |
| #define RXC_RST BIT(31) |
| #define RXC_DQSISEL BIT(30) |
| #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16)) |
| #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2) |
| |
| #define NUM_TRGMII_CTRL 5 |
| |
| /* TRGMII RXC control register */ |
| #define TRGMII_TCK_CTRL 0x10340 |
| #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) |
| #define TXC_INV BIT(30) |
| #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2) |
| #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2)) |
| |
| /* TRGMII TX Drive Strength */ |
| #define TRGMII_TD_ODT(i) (0x10354 + 8 * (i)) |
| #define TD_DM_DRVP(x) ((x) & 0xf) |
| #define TD_DM_DRVN(x) (((x) & 0xf) << 4) |
| |
| /* TRGMII Interface mode register */ |
| #define INTF_MODE 0x10390 |
| #define TRGMII_INTF_DIS BIT(0) |
| #define TRGMII_MODE BIT(1) |
| #define TRGMII_CENTRAL_ALIGNED BIT(2) |
| #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED) |
| #define INTF_MODE_RGMII_10_100 0 |
| |
| /* GPIO port control registers for GMAC 2*/ |
| #define GPIO_OD33_CTRL8 0x4c0 |
| #define GPIO_BIAS_CTRL 0xed0 |
| #define GPIO_DRV_SEL10 0xf00 |
| |
| /* ethernet subsystem chip id register */ |
| #define ETHSYS_CHIPID0_3 0x0 |
| #define ETHSYS_CHIPID4_7 0x4 |
| #define MT7623_ETH 7623 |
| #define MT7622_ETH 7622 |
| #define MT7621_ETH 7621 |
| |
| /* ethernet system control register */ |
| #define ETHSYS_SYSCFG 0x10 |
| #define SYSCFG_DRAM_TYPE_DDR2 BIT(4) |
| |
| /* ethernet subsystem config register */ |
| #define ETHSYS_SYSCFG0 0x14 |
| #define SYSCFG0_GE_MASK 0x3 |
| #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2))) |
| #define SYSCFG0_SGMII_MASK GENMASK(9, 8) |
| #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK) |
| #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK) |
| #define SYSCFG0_SGMII_GMAC1_V2 BIT(9) |
| #define SYSCFG0_SGMII_GMAC2_V2 BIT(8) |
| |
| |
| /* ethernet subsystem clock register */ |
| #define ETHSYS_CLKCFG0 0x2c |
| #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) |
| #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6)) |
| #define ETHSYS_TRGMII_MT7621_APLL BIT(6) |
| #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5) |
| |
| /* ethernet reset control register */ |
| #define ETHSYS_RSTCTRL 0x34 |
| #define RSTCTRL_FE BIT(6) |
| #define RSTCTRL_PPE BIT(31) |
| |
| /* SGMII subsystem config registers */ |
| /* Register to auto-negotiation restart */ |
| #define SGMSYS_PCS_CONTROL_1 0x0 |
| #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) |
| |
| /* Register to programmable link timer, the unit in 2 * 8ns */ |
| #define SGMSYS_PCS_LINK_TIMER 0x18 |
| #define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0)) |
| |
| /* Register to control remote fault */ |
| #define SGMSYS_SGMII_MODE 0x20 |
| #define SGMII_IF_MODE_BIT0 BIT(0) |
| #define SGMII_SPEED_DUPLEX_AN BIT(1) |
| #define SGMII_SPEED_10 0x0 |
| #define SGMII_SPEED_100 BIT(2) |
| #define SGMII_SPEED_1000 BIT(3) |
| #define SGMII_DUPLEX_FULL 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 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) |
| |
| /* MT7628/88 specific stuff */ |
| #define MT7628_PDMA_OFFSET 0x0800 |
| #define MT7628_SDM_OFFSET 0x0c00 |
| |
| #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00) |
| #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04) |
| #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08) |
| #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c) |
| #define MT7628_PST_DTX_IDX0 BIT(0) |
| |
| #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c) |
| #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10) |
| |
| /* Counter / stat register */ |
| #define MT7628_SDM_TPCNT (MT7628_SDM_OFFSET + 0x100) |
| #define MT7628_SDM_TBCNT (MT7628_SDM_OFFSET + 0x104) |
| #define MT7628_SDM_RPCNT (MT7628_SDM_OFFSET + 0x108) |
| #define MT7628_SDM_RBCNT (MT7628_SDM_OFFSET + 0x10c) |
| #define MT7628_SDM_CS_ERR (MT7628_SDM_OFFSET + 0x110) |
| |
| struct mtk_rx_dma { |
| unsigned int rxd1; |
| unsigned int rxd2; |
| unsigned int rxd3; |
| unsigned int rxd4; |
| } __packed __aligned(4); |
| |
| struct mtk_tx_dma { |
| unsigned int txd1; |
| unsigned int txd2; |
| unsigned int txd3; |
| unsigned int txd4; |
| } __packed __aligned(4); |
| |
| struct mtk_eth; |
| struct mtk_mac; |
| |
| /* struct mtk_hw_stats - the structure that holds the traffic statistics. |
| * @stats_lock: make sure that stats operations are atomic |
| * @reg_offset: the status register offset of the SoC |
| * @syncp: the refcount |
| * |
| * All of the supported SoCs have hardware counters for traffic statistics. |
| * Whenever the status IRQ triggers we can read the latest stats from these |
| * counters and store them in this struct. |
| */ |
| struct mtk_hw_stats { |
| u64 tx_bytes; |
| u64 tx_packets; |
| u64 tx_skip; |
| u64 tx_collisions; |
| u64 rx_bytes; |
| u64 rx_packets; |
| u64 rx_overflow; |
| u64 rx_fcs_errors; |
| u64 rx_short_errors; |
| u64 rx_long_errors; |
| u64 rx_checksum_errors; |
| u64 rx_flow_control_packets; |
| |
| spinlock_t stats_lock; |
| u32 reg_offset; |
| struct u64_stats_sync syncp; |
| }; |
| |
| enum mtk_tx_flags { |
| /* PDMA descriptor can point at 1-2 segments. This enum allows us to |
| * track how memory was allocated so that it can be freed properly. |
| */ |
| MTK_TX_FLAGS_SINGLE0 = 0x01, |
| MTK_TX_FLAGS_PAGE0 = 0x02, |
| |
| /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted |
| * SKB out instead of looking up through hardware TX descriptor. |
| */ |
| MTK_TX_FLAGS_FPORT0 = 0x04, |
| MTK_TX_FLAGS_FPORT1 = 0x08, |
| }; |
| |
| /* This enum allows us to identify how the clock is defined on the array of the |
| * clock in the order |
| */ |
| enum mtk_clks_map { |
| MTK_CLK_ETHIF, |
| MTK_CLK_SGMIITOP, |
| MTK_CLK_ESW, |
| MTK_CLK_GP0, |
| MTK_CLK_GP1, |
| MTK_CLK_GP2, |
| MTK_CLK_FE, |
| MTK_CLK_TRGPLL, |
| MTK_CLK_SGMII_TX_250M, |
| MTK_CLK_SGMII_RX_250M, |
| MTK_CLK_SGMII_CDR_REF, |
| MTK_CLK_SGMII_CDR_FB, |
| MTK_CLK_SGMII2_TX_250M, |
| MTK_CLK_SGMII2_RX_250M, |
| MTK_CLK_SGMII2_CDR_REF, |
| MTK_CLK_SGMII2_CDR_FB, |
| MTK_CLK_SGMII_CK, |
| MTK_CLK_ETH2PLL, |
| MTK_CLK_MAX |
| }; |
| |
| #define MT7623_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ |
| BIT(MTK_CLK_GP1) | BIT(MTK_CLK_GP2) | \ |
| BIT(MTK_CLK_TRGPLL)) |
| #define MT7622_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ |
| BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ |
| BIT(MTK_CLK_GP2) | \ |
| 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_SGMII_CK) | \ |
| BIT(MTK_CLK_ETH2PLL)) |
| #define MT7621_CLKS_BITMAP (0) |
| #define MT7628_CLKS_BITMAP (0) |
| #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ |
| BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ |
| BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \ |
| 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) | \ |
| BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP)) |
| |
| enum mtk_dev_state { |
| MTK_HW_INIT, |
| MTK_RESETTING |
| }; |
| |
| /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at |
| * by the TX descriptor s |
| * @skb: The SKB pointer of the packet being sent |
| * @dma_addr0: The base addr of the first segment |
| * @dma_len0: The length of the first segment |
| * @dma_addr1: The base addr of the second segment |
| * @dma_len1: The length of the second segment |
| */ |
| struct mtk_tx_buf { |
| struct sk_buff *skb; |
| u32 flags; |
| DEFINE_DMA_UNMAP_ADDR(dma_addr0); |
| DEFINE_DMA_UNMAP_LEN(dma_len0); |
| DEFINE_DMA_UNMAP_ADDR(dma_addr1); |
| DEFINE_DMA_UNMAP_LEN(dma_len1); |
| }; |
| |
| /* struct mtk_tx_ring - This struct holds info describing a TX ring |
| * @dma: The descriptor ring |
| * @buf: The memory pointed at by the ring |
| * @phys: The physical addr of tx_buf |
| * @next_free: Pointer to the next free descriptor |
| * @last_free: Pointer to the last free descriptor |
| * @thresh: The threshold of minimum amount of free descriptors |
| * @free_count: QDMA uses a linked list. Track how many free descriptors |
| * are present |
| */ |
| struct mtk_tx_ring { |
| struct mtk_tx_dma *dma; |
| struct mtk_tx_buf *buf; |
| dma_addr_t phys; |
| struct mtk_tx_dma *next_free; |
| struct mtk_tx_dma *last_free; |
| u16 thresh; |
| atomic_t free_count; |
| int dma_size; |
| struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */ |
| dma_addr_t phys_pdma; |
| int cpu_idx; |
| }; |
| |
| /* PDMA rx ring mode */ |
| enum mtk_rx_flags { |
| MTK_RX_FLAGS_NORMAL = 0, |
| MTK_RX_FLAGS_HWLRO, |
| MTK_RX_FLAGS_QDMA, |
| }; |
| |
| /* struct mtk_rx_ring - This struct holds info describing a RX ring |
| * @dma: The descriptor ring |
| * @data: The memory pointed at by the ring |
| * @phys: The physical addr of rx_buf |
| * @frag_size: How big can each fragment be |
| * @buf_size: The size of each packet buffer |
| * @calc_idx: The current head of ring |
| */ |
| struct mtk_rx_ring { |
| struct mtk_rx_dma *dma; |
| u8 **data; |
| dma_addr_t phys; |
| u16 frag_size; |
| u16 buf_size; |
| u16 dma_size; |
| bool calc_idx_update; |
| u16 calc_idx; |
| u32 crx_idx_reg; |
| }; |
| |
| enum mkt_eth_capabilities { |
| MTK_RGMII_BIT = 0, |
| MTK_TRGMII_BIT, |
| MTK_SGMII_BIT, |
| MTK_ESW_BIT, |
| MTK_GEPHY_BIT, |
| MTK_MUX_BIT, |
| MTK_INFRA_BIT, |
| MTK_SHARED_SGMII_BIT, |
| MTK_HWLRO_BIT, |
| MTK_SHARED_INT_BIT, |
| MTK_TRGMII_MT7621_CLK_BIT, |
| MTK_QDMA_BIT, |
| MTK_SOC_MT7628_BIT, |
| |
| /* MUX BITS*/ |
| MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, |
| MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT, |
| MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT, |
| MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT, |
| MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT, |
| |
| /* PATH BITS */ |
| MTK_ETH_PATH_GMAC1_RGMII_BIT, |
| MTK_ETH_PATH_GMAC1_TRGMII_BIT, |
| MTK_ETH_PATH_GMAC1_SGMII_BIT, |
| MTK_ETH_PATH_GMAC2_RGMII_BIT, |
| MTK_ETH_PATH_GMAC2_SGMII_BIT, |
| MTK_ETH_PATH_GMAC2_GEPHY_BIT, |
| MTK_ETH_PATH_GDM1_ESW_BIT, |
| }; |
| |
| /* Supported hardware group on SoCs */ |
| #define MTK_RGMII BIT(MTK_RGMII_BIT) |
| #define MTK_TRGMII BIT(MTK_TRGMII_BIT) |
| #define MTK_SGMII BIT(MTK_SGMII_BIT) |
| #define MTK_ESW BIT(MTK_ESW_BIT) |
| #define MTK_GEPHY BIT(MTK_GEPHY_BIT) |
| #define MTK_MUX BIT(MTK_MUX_BIT) |
| #define MTK_INFRA BIT(MTK_INFRA_BIT) |
| #define MTK_SHARED_SGMII BIT(MTK_SHARED_SGMII_BIT) |
| #define MTK_HWLRO BIT(MTK_HWLRO_BIT) |
| #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT) |
| #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) |
| #define MTK_QDMA BIT(MTK_QDMA_BIT) |
| #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) |
| |
| #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ |
| BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) |
| #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \ |
| BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT) |
| #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \ |
| BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT) |
| #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ |
| BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT) |
| #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \ |
| BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT) |
| |
| /* Supported path present on SoCs */ |
| #define MTK_ETH_PATH_GMAC1_RGMII BIT(MTK_ETH_PATH_GMAC1_RGMII_BIT) |
| #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT) |
| #define MTK_ETH_PATH_GMAC1_SGMII BIT(MTK_ETH_PATH_GMAC1_SGMII_BIT) |
| #define MTK_ETH_PATH_GMAC2_RGMII BIT(MTK_ETH_PATH_GMAC2_RGMII_BIT) |
| #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT) |
| #define MTK_ETH_PATH_GMAC2_GEPHY BIT(MTK_ETH_PATH_GMAC2_GEPHY_BIT) |
| #define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT) |
| |
| #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII) |
| #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII) |
| #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII) |
| #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII) |
| #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII) |
| #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY) |
| #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW) |
| |
| /* MUXes present on SoCs */ |
| /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */ |
| #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX) |
| |
| /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */ |
| #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \ |
| (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA) |
| |
| /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */ |
| #define MTK_MUX_U3_GMAC2_TO_QPHY \ |
| (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA) |
| |
| /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */ |
| #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ |
| (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \ |
| MTK_SHARED_SGMII) |
| |
| /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */ |
| #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \ |
| (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX) |
| |
| #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) |
| |
| #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ |
| MTK_GMAC2_RGMII | MTK_SHARED_INT | \ |
| MTK_TRGMII_MT7621_CLK | MTK_QDMA) |
| |
| #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ |
| MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ |
| MTK_MUX_GDM1_TO_GMAC1_ESW | \ |
| MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) |
| |
| #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ |
| MTK_QDMA) |
| |
| #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) |
| |
| #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ |
| MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ |
| MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ |
| MTK_MUX_U3_GMAC2_TO_QPHY | \ |
| MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) |
| |
| /* struct mtk_eth_data - This is the structure holding all differences |
| * among various plaforms |
| * @ana_rgc3: The offset for register ANA_RGC3 related to |
| * sgmiisys syscon |
| * @caps Flags shown the extra capability for the SoC |
| * @hw_features Flags shown HW features |
| * @required_clks Flags shown the bitmap for required clocks on |
| * the target SoC |
| * @required_pctl A bool value to show whether the SoC requires |
| * the extra setup for those pins used by GMAC. |
| */ |
| struct mtk_soc_data { |
| u32 ana_rgc3; |
| u32 caps; |
| u32 required_clks; |
| bool required_pctl; |
| netdev_features_t hw_features; |
| }; |
| |
| /* currently no SoC has more than 2 macs */ |
| #define MTK_MAX_DEVS 2 |
| |
| #define MTK_SGMII_PHYSPEED_AN BIT(31) |
| #define MTK_SGMII_PHYSPEED_MASK GENMASK(2, 0) |
| #define MTK_SGMII_PHYSPEED_1000 BIT(0) |
| #define MTK_SGMII_PHYSPEED_2500 BIT(1) |
| #define MTK_HAS_FLAGS(flags, _x) (((flags) & (_x)) == (_x)) |
| |
| /* struct mtk_sgmii - This is the structure holding sgmii regmap and its |
| * characteristics |
| * @regmap: The register map pointing at the range used to setup |
| * SGMII modes |
| * @flags: The enum refers to which mode the sgmii wants to run on |
| * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap |
| */ |
| |
| struct mtk_sgmii { |
| struct regmap *regmap[MTK_MAX_DEVS]; |
| u32 flags[MTK_MAX_DEVS]; |
| u32 ana_rgc3; |
| }; |
| |
| /* struct mtk_eth - This is the main datasructure for holding the state |
| * of the driver |
| * @dev: The device pointer |
| * @base: The mapped register i/o base |
| * @page_lock: Make sure that register operations are atomic |
| * @tx_irq__lock: Make sure that IRQ register operations are atomic |
| * @rx_irq__lock: Make sure that IRQ register operations are atomic |
| * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a |
| * dummy for NAPI to work |
| * @netdev: The netdev instances |
| * @mac: Each netdev is linked to a physical MAC |
| * @irq: The IRQ that we are using |
| * @msg_enable: Ethtool msg level |
| * @ethsys: The register map pointing at the range used to setup |
| * MII modes |
| * @infra: The register map pointing at the range used to setup |
| * SGMII and GePHY path |
| * @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 |
| * @tx_ring: Pointer to the memory holding info about the TX ring |
| * @rx_ring: Pointer to the memory holding info about the RX ring |
| * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring |
| * @tx_napi: The TX NAPI struct |
| * @rx_napi: The RX NAPI struct |
| * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring |
| * @phy_scratch_ring: physical address of scratch_ring |
| * @scratch_head: The scratch memory that scratch_ring points to. |
| * @clks: clock array for all clocks required |
| * @mii_bus: If there is a bus we need to create an instance for it |
| * @pending_work: The workqueue used to reset the dma ring |
| * @state: Initialization and runtime state of the device |
| * @soc: Holding specific data among vaious SoCs |
| */ |
| |
| struct mtk_eth { |
| struct device *dev; |
| void __iomem *base; |
| spinlock_t page_lock; |
| spinlock_t tx_irq_lock; |
| spinlock_t rx_irq_lock; |
| struct net_device dummy_dev; |
| struct net_device *netdev[MTK_MAX_DEVS]; |
| struct mtk_mac *mac[MTK_MAX_DEVS]; |
| int irq[3]; |
| u32 msg_enable; |
| unsigned long sysclk; |
| struct regmap *ethsys; |
| struct regmap *infra; |
| struct mtk_sgmii *sgmii; |
| struct regmap *pctl; |
| bool hwlro; |
| refcount_t dma_refcnt; |
| struct mtk_tx_ring tx_ring; |
| struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM]; |
| struct mtk_rx_ring rx_ring_qdma; |
| struct napi_struct tx_napi; |
| struct napi_struct rx_napi; |
| struct mtk_tx_dma *scratch_ring; |
| dma_addr_t phy_scratch_ring; |
| void *scratch_head; |
| struct clk *clks[MTK_CLK_MAX]; |
| |
| struct mii_bus *mii_bus; |
| struct work_struct pending_work; |
| unsigned long state; |
| |
| const struct mtk_soc_data *soc; |
| |
| u32 tx_int_mask_reg; |
| u32 tx_int_status_reg; |
| u32 rx_dma_l4_valid; |
| int ip_align; |
| }; |
| |
| /* struct mtk_mac - the structure that holds the info about the MACs of the |
| * SoC |
| * @id: The number of the MAC |
| * @interface: Interface mode kept for detecting change in hw settings |
| * @of_node: Our devicetree node |
| * @hw: Backpointer to our main datastruture |
| * @hw_stats: Packet statistics counter |
| */ |
| struct mtk_mac { |
| int id; |
| phy_interface_t interface; |
| unsigned int mode; |
| int speed; |
| struct device_node *of_node; |
| struct phylink *phylink; |
| struct phylink_config phylink_config; |
| struct mtk_eth *hw; |
| struct mtk_hw_stats *hw_stats; |
| __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT]; |
| int hwlro_ip_cnt; |
| }; |
| |
| /* the struct describing the SoC. these are declared in the soc_xyz.c files */ |
| extern const struct of_device_id of_mtk_match[]; |
| |
| /* read the hardware status register */ |
| 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); |
| |
| int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, |
| u32 ana_rgc3); |
| int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id); |
| int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id, |
| const struct phylink_link_state *state); |
| void mtk_sgmii_restart_an(struct mtk_eth *eth, int mac_id); |
| |
| 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); |
| |
| #endif /* MTK_ETH_H */ |
