18e8e69d6SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 28e8e69d6SThomas Gleixner /* 3656e7052SJohn Crispin * 4656e7052SJohn Crispin * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> 5656e7052SJohn Crispin * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> 6656e7052SJohn Crispin * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> 7656e7052SJohn Crispin */ 8656e7052SJohn Crispin 9656e7052SJohn Crispin #ifndef MTK_ETH_H 10656e7052SJohn Crispin #define MTK_ETH_H 11656e7052SJohn Crispin 129ffee4a8SSean Wang #include <linux/dma-mapping.h> 139ffee4a8SSean Wang #include <linux/netdevice.h> 149ffee4a8SSean Wang #include <linux/of_net.h> 159ffee4a8SSean Wang #include <linux/u64_stats_sync.h> 16c6d4e63eSElena Reshetova #include <linux/refcount.h> 17b8fc9f30SRené van Dorst #include <linux/phylink.h> 18*ba37b7caSFelix Fietkau #include "mtk_ppe.h" 19c6d4e63eSElena Reshetova 20656e7052SJohn Crispin #define MTK_QDMA_PAGE_SIZE 2048 21656e7052SJohn Crispin #define MTK_MAX_RX_LENGTH 1536 224fd59792SDENG Qingfang #define MTK_MAX_RX_LENGTH_2K 2048 23656e7052SJohn Crispin #define MTK_TX_DMA_BUF_LEN 0x3fff 24656e7052SJohn Crispin #define MTK_DMA_SIZE 256 25656e7052SJohn Crispin #define MTK_NAPI_WEIGHT 64 26656e7052SJohn Crispin #define MTK_MAC_COUNT 2 274fd59792SDENG Qingfang #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN) 28656e7052SJohn Crispin #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) 29656e7052SJohn Crispin #define MTK_DMA_DUMMY_DESC 0xffffffff 30656e7052SJohn Crispin #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \ 31656e7052SJohn Crispin NETIF_MSG_PROBE | \ 32656e7052SJohn Crispin NETIF_MSG_LINK | \ 33656e7052SJohn Crispin NETIF_MSG_TIMER | \ 34656e7052SJohn Crispin NETIF_MSG_IFDOWN | \ 35656e7052SJohn Crispin NETIF_MSG_IFUP | \ 36656e7052SJohn Crispin NETIF_MSG_RX_ERR | \ 37656e7052SJohn Crispin NETIF_MSG_TX_ERR) 38656e7052SJohn Crispin #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \ 39656e7052SJohn Crispin NETIF_F_RXCSUM | \ 40656e7052SJohn Crispin NETIF_F_HW_VLAN_CTAG_TX | \ 41656e7052SJohn Crispin NETIF_F_HW_VLAN_CTAG_RX | \ 42656e7052SJohn Crispin NETIF_F_SG | NETIF_F_TSO | \ 43656e7052SJohn Crispin NETIF_F_TSO6 | \ 44656e7052SJohn Crispin NETIF_F_IPV6_CSUM) 45296c9120SStefan Roese #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM) 4608df5fa6SStefan Roese #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) 47ee406810SNelson Chang 48ee406810SNelson Chang #define MTK_MAX_RX_RING_NUM 4 49ee406810SNelson Chang #define MTK_HW_LRO_DMA_SIZE 8 50ee406810SNelson Chang 51ee406810SNelson Chang #define MTK_MAX_LRO_RX_LENGTH (4096 * 3) 52ee406810SNelson Chang #define MTK_MAX_LRO_IP_CNT 2 53ee406810SNelson Chang #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */ 54ee406810SNelson Chang #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */ 55ee406810SNelson Chang #define MTK_HW_LRO_AGG_TIME 10 /* 200us */ 56ee406810SNelson Chang #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */ 57ee406810SNelson Chang #define MTK_HW_LRO_MAX_AGG_CNT 64 58ee406810SNelson Chang #define MTK_HW_LRO_BW_THRE 3000 59ee406810SNelson Chang #define MTK_HW_LRO_REPLACE_DELTA 1000 60ee406810SNelson Chang #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522 61656e7052SJohn Crispin 62656e7052SJohn Crispin /* Frame Engine Global Reset Register */ 63656e7052SJohn Crispin #define MTK_RST_GL 0x04 64656e7052SJohn Crispin #define RST_GL_PSE BIT(0) 65656e7052SJohn Crispin 66656e7052SJohn Crispin /* Frame Engine Interrupt Status Register */ 67656e7052SJohn Crispin #define MTK_INT_STATUS2 0x08 68656e7052SJohn Crispin #define MTK_GDM1_AF BIT(28) 69656e7052SJohn Crispin #define MTK_GDM2_AF BIT(29) 70656e7052SJohn Crispin 71ee406810SNelson Chang /* PDMA HW LRO Alter Flow Timer Register */ 72ee406810SNelson Chang #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c 73ee406810SNelson Chang 74656e7052SJohn Crispin /* Frame Engine Interrupt Grouping Register */ 75656e7052SJohn Crispin #define MTK_FE_INT_GRP 0x20 76656e7052SJohn Crispin 7787e3df49SSean Wang /* CDMP Ingress Control Register */ 7887e3df49SSean Wang #define MTK_CDMQ_IG_CTRL 0x1400 7987e3df49SSean Wang #define MTK_CDMQ_STAG_EN BIT(0) 8087e3df49SSean Wang 81656e7052SJohn Crispin /* CDMP Exgress Control Register */ 82656e7052SJohn Crispin #define MTK_CDMP_EG_CTRL 0x404 83656e7052SJohn Crispin 84656e7052SJohn Crispin /* GDM Exgress Control Register */ 85656e7052SJohn Crispin #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000)) 86d5c53da2SFelix Fietkau #define MTK_GDMA_SPECIAL_TAG BIT(24) 87656e7052SJohn Crispin #define MTK_GDMA_ICS_EN BIT(22) 88656e7052SJohn Crispin #define MTK_GDMA_TCS_EN BIT(21) 89656e7052SJohn Crispin #define MTK_GDMA_UCS_EN BIT(20) 908d3f4a95SMarkLee #define MTK_GDMA_TO_PDMA 0x0 91*ba37b7caSFelix Fietkau #define MTK_GDMA_TO_PPE 0x4444 928d66a818SMarkLee #define MTK_GDMA_DROP_ALL 0x7777 93656e7052SJohn Crispin 94656e7052SJohn Crispin /* Unicast Filter MAC Address Register - Low */ 95656e7052SJohn Crispin #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) 96656e7052SJohn Crispin 97656e7052SJohn Crispin /* Unicast Filter MAC Address Register - High */ 98656e7052SJohn Crispin #define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000)) 99656e7052SJohn Crispin 100bacfd110SNelson Chang /* PDMA RX Base Pointer Register */ 101bacfd110SNelson Chang #define MTK_PRX_BASE_PTR0 0x900 102ee406810SNelson Chang #define MTK_PRX_BASE_PTR_CFG(x) (MTK_PRX_BASE_PTR0 + (x * 0x10)) 103bacfd110SNelson Chang 104bacfd110SNelson Chang /* PDMA RX Maximum Count Register */ 105bacfd110SNelson Chang #define MTK_PRX_MAX_CNT0 0x904 106ee406810SNelson Chang #define MTK_PRX_MAX_CNT_CFG(x) (MTK_PRX_MAX_CNT0 + (x * 0x10)) 107bacfd110SNelson Chang 108bacfd110SNelson Chang /* PDMA RX CPU Pointer Register */ 109bacfd110SNelson Chang #define MTK_PRX_CRX_IDX0 0x908 110ee406810SNelson Chang #define MTK_PRX_CRX_IDX_CFG(x) (MTK_PRX_CRX_IDX0 + (x * 0x10)) 111ee406810SNelson Chang 112ee406810SNelson Chang /* PDMA HW LRO Control Registers */ 113ee406810SNelson Chang #define MTK_PDMA_LRO_CTRL_DW0 0x980 114ee406810SNelson Chang #define MTK_LRO_EN BIT(0) 115ee406810SNelson Chang #define MTK_L3_CKS_UPD_EN BIT(7) 116ee406810SNelson Chang #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21) 117ca3ba106SNelson Chang #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26) 118ca3ba106SNelson Chang #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29) 119ee406810SNelson Chang 120ee406810SNelson Chang #define MTK_PDMA_LRO_CTRL_DW1 0x984 121ee406810SNelson Chang #define MTK_PDMA_LRO_CTRL_DW2 0x988 122ee406810SNelson Chang #define MTK_PDMA_LRO_CTRL_DW3 0x98c 123ee406810SNelson Chang #define MTK_ADMA_MODE BIT(15) 124ee406810SNelson Chang #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16) 125bacfd110SNelson Chang 126bacfd110SNelson Chang /* PDMA Global Configuration Register */ 127bacfd110SNelson Chang #define MTK_PDMA_GLO_CFG 0xa04 128bacfd110SNelson Chang #define MTK_MULTI_EN BIT(10) 129296c9120SStefan Roese #define MTK_PDMA_SIZE_8DWORDS (1 << 4) 130bacfd110SNelson Chang 131bacfd110SNelson Chang /* PDMA Reset Index Register */ 132bacfd110SNelson Chang #define MTK_PDMA_RST_IDX 0xa08 133bacfd110SNelson Chang #define MTK_PST_DRX_IDX0 BIT(16) 134ee406810SNelson Chang #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x)) 135bacfd110SNelson Chang 136bacfd110SNelson Chang /* PDMA Delay Interrupt Register */ 137bacfd110SNelson Chang #define MTK_PDMA_DELAY_INT 0xa0c 138671d41e6SJohn Crispin #define MTK_PDMA_DELAY_RX_EN BIT(15) 139671d41e6SJohn Crispin #define MTK_PDMA_DELAY_RX_PINT 4 140671d41e6SJohn Crispin #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8 141671d41e6SJohn Crispin #define MTK_PDMA_DELAY_RX_PTIME 4 142671d41e6SJohn Crispin #define MTK_PDMA_DELAY_RX_DELAY \ 143671d41e6SJohn Crispin (MTK_PDMA_DELAY_RX_EN | MTK_PDMA_DELAY_RX_PTIME | \ 144671d41e6SJohn Crispin (MTK_PDMA_DELAY_RX_PINT << MTK_PDMA_DELAY_RX_PINT_SHIFT)) 145bacfd110SNelson Chang 146bacfd110SNelson Chang /* PDMA Interrupt Status Register */ 147bacfd110SNelson Chang #define MTK_PDMA_INT_STATUS 0xa20 148bacfd110SNelson Chang 149bacfd110SNelson Chang /* PDMA Interrupt Mask Register */ 150bacfd110SNelson Chang #define MTK_PDMA_INT_MASK 0xa28 151bacfd110SNelson Chang 152ee406810SNelson Chang /* PDMA HW LRO Alter Flow Delta Register */ 153ee406810SNelson Chang #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c 154ee406810SNelson Chang 15580673029SJohn Crispin /* PDMA Interrupt grouping registers */ 15680673029SJohn Crispin #define MTK_PDMA_INT_GRP1 0xa50 15780673029SJohn Crispin #define MTK_PDMA_INT_GRP2 0xa54 15880673029SJohn Crispin 159ee406810SNelson Chang /* PDMA HW LRO IP Setting Registers */ 160ee406810SNelson Chang #define MTK_LRO_RX_RING0_DIP_DW0 0xb04 161ee406810SNelson Chang #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40)) 162ee406810SNelson Chang #define MTK_RING_MYIP_VLD BIT(9) 163ee406810SNelson Chang 164ee406810SNelson Chang /* PDMA HW LRO Ring Control Registers */ 165ee406810SNelson Chang #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28 166ee406810SNelson Chang #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c 167ee406810SNelson Chang #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30 168ee406810SNelson Chang #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40)) 169ee406810SNelson Chang #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40)) 170ee406810SNelson Chang #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40)) 171ee406810SNelson Chang #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22) 172ee406810SNelson Chang #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f) 173ee406810SNelson Chang #define MTK_RING_AUTO_LERAN_MODE (3 << 6) 174ee406810SNelson Chang #define MTK_RING_VLD BIT(8) 175ee406810SNelson Chang #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10) 176ee406810SNelson Chang #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26) 177ee406810SNelson Chang #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3) 178ee406810SNelson Chang 179656e7052SJohn Crispin /* QDMA TX Queue Configuration Registers */ 180656e7052SJohn Crispin #define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) 181656e7052SJohn Crispin #define QDMA_RES_THRES 4 182656e7052SJohn Crispin 183656e7052SJohn Crispin /* QDMA TX Queue Scheduler Registers */ 184656e7052SJohn Crispin #define MTK_QTX_SCH(x) (0x1804 + (x * 0x10)) 185656e7052SJohn Crispin 186656e7052SJohn Crispin /* QDMA RX Base Pointer Register */ 187656e7052SJohn Crispin #define MTK_QRX_BASE_PTR0 0x1900 188656e7052SJohn Crispin 189656e7052SJohn Crispin /* QDMA RX Maximum Count Register */ 190656e7052SJohn Crispin #define MTK_QRX_MAX_CNT0 0x1904 191656e7052SJohn Crispin 192656e7052SJohn Crispin /* QDMA RX CPU Pointer Register */ 193656e7052SJohn Crispin #define MTK_QRX_CRX_IDX0 0x1908 194656e7052SJohn Crispin 195656e7052SJohn Crispin /* QDMA RX DMA Pointer Register */ 196656e7052SJohn Crispin #define MTK_QRX_DRX_IDX0 0x190C 197656e7052SJohn Crispin 198656e7052SJohn Crispin /* QDMA Global Configuration Register */ 199656e7052SJohn Crispin #define MTK_QDMA_GLO_CFG 0x1A04 200656e7052SJohn Crispin #define MTK_RX_2B_OFFSET BIT(31) 201656e7052SJohn Crispin #define MTK_RX_BT_32DWORDS (3 << 11) 2026675086dSJohn Crispin #define MTK_NDP_CO_PRO BIT(10) 203656e7052SJohn Crispin #define MTK_TX_WB_DDONE BIT(6) 204656e7052SJohn Crispin #define MTK_DMA_SIZE_16DWORDS (2 << 4) 205656e7052SJohn Crispin #define MTK_RX_DMA_BUSY BIT(3) 206656e7052SJohn Crispin #define MTK_TX_DMA_BUSY BIT(1) 207656e7052SJohn Crispin #define MTK_RX_DMA_EN BIT(2) 208656e7052SJohn Crispin #define MTK_TX_DMA_EN BIT(0) 209656e7052SJohn Crispin #define MTK_DMA_BUSY_TIMEOUT HZ 210656e7052SJohn Crispin 211656e7052SJohn Crispin /* QDMA Reset Index Register */ 212656e7052SJohn Crispin #define MTK_QDMA_RST_IDX 0x1A08 213656e7052SJohn Crispin 214656e7052SJohn Crispin /* QDMA Delay Interrupt Register */ 215656e7052SJohn Crispin #define MTK_QDMA_DELAY_INT 0x1A0C 216656e7052SJohn Crispin 217656e7052SJohn Crispin /* QDMA Flow Control Register */ 218656e7052SJohn Crispin #define MTK_QDMA_FC_THRES 0x1A10 219656e7052SJohn Crispin #define FC_THRES_DROP_MODE BIT(20) 220656e7052SJohn Crispin #define FC_THRES_DROP_EN (7 << 16) 221656e7052SJohn Crispin #define FC_THRES_MIN 0x4444 222656e7052SJohn Crispin 223656e7052SJohn Crispin /* QDMA Interrupt Status Register */ 22445487403SStefan Roese #define MTK_QDMA_INT_STATUS 0x1A18 225671d41e6SJohn Crispin #define MTK_RX_DONE_DLY BIT(30) 226bacfd110SNelson Chang #define MTK_RX_DONE_INT3 BIT(19) 227bacfd110SNelson Chang #define MTK_RX_DONE_INT2 BIT(18) 228656e7052SJohn Crispin #define MTK_RX_DONE_INT1 BIT(17) 229656e7052SJohn Crispin #define MTK_RX_DONE_INT0 BIT(16) 230656e7052SJohn Crispin #define MTK_TX_DONE_INT3 BIT(3) 231656e7052SJohn Crispin #define MTK_TX_DONE_INT2 BIT(2) 232656e7052SJohn Crispin #define MTK_TX_DONE_INT1 BIT(1) 233656e7052SJohn Crispin #define MTK_TX_DONE_INT0 BIT(0) 234671d41e6SJohn Crispin #define MTK_RX_DONE_INT MTK_RX_DONE_DLY 235656e7052SJohn Crispin #define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ 236656e7052SJohn Crispin MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) 237656e7052SJohn Crispin 23880673029SJohn Crispin /* QDMA Interrupt grouping registers */ 23980673029SJohn Crispin #define MTK_QDMA_INT_GRP1 0x1a20 24080673029SJohn Crispin #define MTK_QDMA_INT_GRP2 0x1a24 24180673029SJohn Crispin #define MTK_RLS_DONE_INT BIT(0) 24280673029SJohn Crispin 243656e7052SJohn Crispin /* QDMA Interrupt Status Register */ 244656e7052SJohn Crispin #define MTK_QDMA_INT_MASK 0x1A1C 245656e7052SJohn Crispin 246656e7052SJohn Crispin /* QDMA Interrupt Mask Register */ 247656e7052SJohn Crispin #define MTK_QDMA_HRED2 0x1A44 248656e7052SJohn Crispin 249656e7052SJohn Crispin /* QDMA TX Forward CPU Pointer Register */ 250656e7052SJohn Crispin #define MTK_QTX_CTX_PTR 0x1B00 251656e7052SJohn Crispin 252656e7052SJohn Crispin /* QDMA TX Forward DMA Pointer Register */ 253656e7052SJohn Crispin #define MTK_QTX_DTX_PTR 0x1B04 254656e7052SJohn Crispin 255656e7052SJohn Crispin /* QDMA TX Release CPU Pointer Register */ 256656e7052SJohn Crispin #define MTK_QTX_CRX_PTR 0x1B10 257656e7052SJohn Crispin 258656e7052SJohn Crispin /* QDMA TX Release DMA Pointer Register */ 259656e7052SJohn Crispin #define MTK_QTX_DRX_PTR 0x1B14 260656e7052SJohn Crispin 261656e7052SJohn Crispin /* QDMA FQ Head Pointer Register */ 262656e7052SJohn Crispin #define MTK_QDMA_FQ_HEAD 0x1B20 263656e7052SJohn Crispin 264656e7052SJohn Crispin /* QDMA FQ Head Pointer Register */ 265656e7052SJohn Crispin #define MTK_QDMA_FQ_TAIL 0x1B24 266656e7052SJohn Crispin 267656e7052SJohn Crispin /* QDMA FQ Free Page Counter Register */ 268656e7052SJohn Crispin #define MTK_QDMA_FQ_CNT 0x1B28 269656e7052SJohn Crispin 270656e7052SJohn Crispin /* QDMA FQ Free Page Buffer Length Register */ 271656e7052SJohn Crispin #define MTK_QDMA_FQ_BLEN 0x1B2C 272656e7052SJohn Crispin 273656e7052SJohn Crispin /* GMA1 Received Good Byte Count Register */ 274656e7052SJohn Crispin #define MTK_GDM1_TX_GBCNT 0x2400 275656e7052SJohn Crispin #define MTK_STAT_OFFSET 0x40 276656e7052SJohn Crispin 277656e7052SJohn Crispin /* QDMA descriptor txd4 */ 278656e7052SJohn Crispin #define TX_DMA_CHKSUM (0x7 << 29) 279656e7052SJohn Crispin #define TX_DMA_TSO BIT(28) 280656e7052SJohn Crispin #define TX_DMA_FPORT_SHIFT 25 281656e7052SJohn Crispin #define TX_DMA_FPORT_MASK 0x7 282656e7052SJohn Crispin #define TX_DMA_INS_VLAN BIT(16) 283656e7052SJohn Crispin 284656e7052SJohn Crispin /* QDMA descriptor txd3 */ 285656e7052SJohn Crispin #define TX_DMA_OWNER_CPU BIT(31) 286656e7052SJohn Crispin #define TX_DMA_LS0 BIT(30) 287656e7052SJohn Crispin #define TX_DMA_PLEN0(_x) (((_x) & MTK_TX_DMA_BUF_LEN) << 16) 288296c9120SStefan Roese #define TX_DMA_PLEN1(_x) ((_x) & MTK_TX_DMA_BUF_LEN) 289656e7052SJohn Crispin #define TX_DMA_SWC BIT(14) 290656e7052SJohn Crispin #define TX_DMA_SDL(_x) (((_x) & 0x3fff) << 16) 291656e7052SJohn Crispin 292296c9120SStefan Roese /* PDMA on MT7628 */ 293296c9120SStefan Roese #define TX_DMA_DONE BIT(31) 294296c9120SStefan Roese #define TX_DMA_LS1 BIT(14) 295296c9120SStefan Roese #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) 296296c9120SStefan Roese 297656e7052SJohn Crispin /* QDMA descriptor rxd2 */ 298656e7052SJohn Crispin #define RX_DMA_DONE BIT(31) 299296c9120SStefan Roese #define RX_DMA_LSO BIT(30) 300656e7052SJohn Crispin #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) 301656e7052SJohn Crispin #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) 302656e7052SJohn Crispin 303656e7052SJohn Crispin /* QDMA descriptor rxd3 */ 304656e7052SJohn Crispin #define RX_DMA_VID(_x) ((_x) & 0xfff) 305656e7052SJohn Crispin 306656e7052SJohn Crispin /* QDMA descriptor rxd4 */ 307*ba37b7caSFelix Fietkau #define MTK_RXD4_FOE_ENTRY GENMASK(13, 0) 308*ba37b7caSFelix Fietkau #define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14) 309*ba37b7caSFelix Fietkau #define MTK_RXD4_SRC_PORT GENMASK(21, 19) 310*ba37b7caSFelix Fietkau #define MTK_RXD4_ALG GENMASK(31, 22) 311*ba37b7caSFelix Fietkau 312*ba37b7caSFelix Fietkau /* QDMA descriptor rxd4 */ 313656e7052SJohn Crispin #define RX_DMA_L4_VALID BIT(24) 314296c9120SStefan Roese #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ 315656e7052SJohn Crispin #define RX_DMA_FPORT_SHIFT 19 316656e7052SJohn Crispin #define RX_DMA_FPORT_MASK 0x7 317d5c53da2SFelix Fietkau #define RX_DMA_SPECIAL_TAG BIT(22) 318656e7052SJohn Crispin 319656e7052SJohn Crispin /* PHY Indirect Access Control registers */ 320656e7052SJohn Crispin #define MTK_PHY_IAC 0x10004 321656e7052SJohn Crispin #define PHY_IAC_ACCESS BIT(31) 322656e7052SJohn Crispin #define PHY_IAC_READ BIT(19) 323656e7052SJohn Crispin #define PHY_IAC_WRITE BIT(18) 324656e7052SJohn Crispin #define PHY_IAC_START BIT(16) 325656e7052SJohn Crispin #define PHY_IAC_ADDR_SHIFT 20 326656e7052SJohn Crispin #define PHY_IAC_REG_SHIFT 25 327656e7052SJohn Crispin #define PHY_IAC_TIMEOUT HZ 328656e7052SJohn Crispin 32942c03844SSean Wang #define MTK_MAC_MISC 0x1000c 33042c03844SSean Wang #define MTK_MUX_TO_ESW BIT(0) 33142c03844SSean Wang 332656e7052SJohn Crispin /* Mac control registers */ 333656e7052SJohn Crispin #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100)) 3344fd59792SDENG Qingfang #define MAC_MCR_MAX_RX_MASK GENMASK(25, 24) 3354fd59792SDENG Qingfang #define MAC_MCR_MAX_RX(_x) (MAC_MCR_MAX_RX_MASK & ((_x) << 24)) 3364fd59792SDENG Qingfang #define MAC_MCR_MAX_RX_1518 0x0 3374fd59792SDENG Qingfang #define MAC_MCR_MAX_RX_1536 0x1 3384fd59792SDENG Qingfang #define MAC_MCR_MAX_RX_1552 0x2 3394fd59792SDENG Qingfang #define MAC_MCR_MAX_RX_2048 0x3 340656e7052SJohn Crispin #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) 341656e7052SJohn Crispin #define MAC_MCR_FORCE_MODE BIT(15) 342656e7052SJohn Crispin #define MAC_MCR_TX_EN BIT(14) 343656e7052SJohn Crispin #define MAC_MCR_RX_EN BIT(13) 344656e7052SJohn Crispin #define MAC_MCR_BACKOFF_EN BIT(9) 345656e7052SJohn Crispin #define MAC_MCR_BACKPR_EN BIT(8) 346656e7052SJohn Crispin #define MAC_MCR_FORCE_RX_FC BIT(5) 347656e7052SJohn Crispin #define MAC_MCR_FORCE_TX_FC BIT(4) 348656e7052SJohn Crispin #define MAC_MCR_SPEED_1000 BIT(3) 349656e7052SJohn Crispin #define MAC_MCR_SPEED_100 BIT(2) 350656e7052SJohn Crispin #define MAC_MCR_FORCE_DPX BIT(1) 351656e7052SJohn Crispin #define MAC_MCR_FORCE_LINK BIT(0) 352b8fc9f30SRené van Dorst #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE) 353b8fc9f30SRené van Dorst 354b8fc9f30SRené van Dorst /* Mac status registers */ 355b8fc9f30SRené van Dorst #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100)) 356b8fc9f30SRené van Dorst #define MAC_MSR_EEE1G BIT(7) 357b8fc9f30SRené van Dorst #define MAC_MSR_EEE100M BIT(6) 358b8fc9f30SRené van Dorst #define MAC_MSR_RX_FC BIT(5) 359b8fc9f30SRené van Dorst #define MAC_MSR_TX_FC BIT(4) 360b8fc9f30SRené van Dorst #define MAC_MSR_SPEED_1000 BIT(3) 361b8fc9f30SRené van Dorst #define MAC_MSR_SPEED_100 BIT(2) 362b8fc9f30SRené van Dorst #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100) 363b8fc9f30SRené van Dorst #define MAC_MSR_DPX BIT(1) 364b8fc9f30SRené van Dorst #define MAC_MSR_LINK BIT(0) 365656e7052SJohn Crispin 366f430dea7SSean Wang /* TRGMII RXC control register */ 367f430dea7SSean Wang #define TRGMII_RCK_CTRL 0x10300 368f430dea7SSean Wang #define DQSI0(x) ((x << 0) & GENMASK(6, 0)) 369f430dea7SSean Wang #define DQSI1(x) ((x << 8) & GENMASK(14, 8)) 370f430dea7SSean Wang #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) 371a5d75538SRené van Dorst #define RXC_RST BIT(31) 372f430dea7SSean Wang #define RXC_DQSISEL BIT(30) 373f430dea7SSean Wang #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16)) 374f430dea7SSean Wang #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2) 375f430dea7SSean Wang 376a5d75538SRené van Dorst #define NUM_TRGMII_CTRL 5 377a5d75538SRené van Dorst 378f430dea7SSean Wang /* TRGMII RXC control register */ 379f430dea7SSean Wang #define TRGMII_TCK_CTRL 0x10340 380f430dea7SSean Wang #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) 381f430dea7SSean Wang #define TXC_INV BIT(30) 382f430dea7SSean Wang #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2) 383f430dea7SSean Wang #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2)) 384f430dea7SSean Wang 385a5d75538SRené van Dorst /* TRGMII TX Drive Strength */ 386a5d75538SRené van Dorst #define TRGMII_TD_ODT(i) (0x10354 + 8 * (i)) 387a5d75538SRené van Dorst #define TD_DM_DRVP(x) ((x) & 0xf) 388a5d75538SRené van Dorst #define TD_DM_DRVN(x) (((x) & 0xf) << 4) 389a5d75538SRené van Dorst 390f430dea7SSean Wang /* TRGMII Interface mode register */ 391f430dea7SSean Wang #define INTF_MODE 0x10390 392f430dea7SSean Wang #define TRGMII_INTF_DIS BIT(0) 393f430dea7SSean Wang #define TRGMII_MODE BIT(1) 394f430dea7SSean Wang #define TRGMII_CENTRAL_ALIGNED BIT(2) 395f430dea7SSean Wang #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED) 396f430dea7SSean Wang #define INTF_MODE_RGMII_10_100 0 397f430dea7SSean Wang 398656e7052SJohn Crispin /* GPIO port control registers for GMAC 2*/ 399656e7052SJohn Crispin #define GPIO_OD33_CTRL8 0x4c0 400656e7052SJohn Crispin #define GPIO_BIAS_CTRL 0xed0 401656e7052SJohn Crispin #define GPIO_DRV_SEL10 0xf00 402656e7052SJohn Crispin 403b95b6d99SNelson Chang /* ethernet subsystem chip id register */ 404b95b6d99SNelson Chang #define ETHSYS_CHIPID0_3 0x0 405b95b6d99SNelson Chang #define ETHSYS_CHIPID4_7 0x4 406983e1a6cSNelson Chang #define MT7623_ETH 7623 40742c03844SSean Wang #define MT7622_ETH 7622 408889bcbdeSBjørn Mork #define MT7621_ETH 7621 409b95b6d99SNelson Chang 4108efaa653SRené van Dorst /* ethernet system control register */ 4118efaa653SRené van Dorst #define ETHSYS_SYSCFG 0x10 4128efaa653SRené van Dorst #define SYSCFG_DRAM_TYPE_DDR2 BIT(4) 4138efaa653SRené van Dorst 414656e7052SJohn Crispin /* ethernet subsystem config register */ 415656e7052SJohn Crispin #define ETHSYS_SYSCFG0 0x14 416656e7052SJohn Crispin #define SYSCFG0_GE_MASK 0x3 417656e7052SJohn Crispin #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2))) 4187093f9d8SSean Wang #define SYSCFG0_SGMII_MASK GENMASK(9, 8) 4197093f9d8SSean Wang #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK) 4207093f9d8SSean Wang #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK) 4217093f9d8SSean Wang #define SYSCFG0_SGMII_GMAC1_V2 BIT(9) 4227093f9d8SSean Wang #define SYSCFG0_SGMII_GMAC2_V2 BIT(8) 4237093f9d8SSean Wang 424656e7052SJohn Crispin 425f430dea7SSean Wang /* ethernet subsystem clock register */ 426f430dea7SSean Wang #define ETHSYS_CLKCFG0 0x2c 427f430dea7SSean Wang #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) 4288efaa653SRené van Dorst #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6)) 4298efaa653SRené van Dorst #define ETHSYS_TRGMII_MT7621_APLL BIT(6) 4308efaa653SRené van Dorst #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5) 431f430dea7SSean Wang 4322a8307aaSSean Wang /* ethernet reset control register */ 4332a8307aaSSean Wang #define ETHSYS_RSTCTRL 0x34 4342a8307aaSSean Wang #define RSTCTRL_FE BIT(6) 4352a8307aaSSean Wang #define RSTCTRL_PPE BIT(31) 4362a8307aaSSean Wang 43742c03844SSean Wang /* SGMII subsystem config registers */ 43842c03844SSean Wang /* Register to auto-negotiation restart */ 43942c03844SSean Wang #define SGMSYS_PCS_CONTROL_1 0x0 44042c03844SSean Wang #define SGMII_AN_RESTART BIT(9) 4417e538372SRené van Dorst #define SGMII_ISOLATE BIT(10) 4427e538372SRené van Dorst #define SGMII_AN_ENABLE BIT(12) 4437e538372SRené van Dorst #define SGMII_LINK_STATYS BIT(18) 4447e538372SRené van Dorst #define SGMII_AN_ABILITY BIT(19) 4457e538372SRené van Dorst #define SGMII_AN_COMPLETE BIT(21) 4467e538372SRené van Dorst #define SGMII_PCS_FAULT BIT(23) 4477e538372SRené van Dorst #define SGMII_AN_EXPANSION_CLR BIT(30) 44842c03844SSean Wang 44942c03844SSean Wang /* Register to programmable link timer, the unit in 2 * 8ns */ 45042c03844SSean Wang #define SGMSYS_PCS_LINK_TIMER 0x18 45142c03844SSean Wang #define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0)) 45242c03844SSean Wang 45342c03844SSean Wang /* Register to control remote fault */ 45442c03844SSean Wang #define SGMSYS_SGMII_MODE 0x20 4557e538372SRené van Dorst #define SGMII_IF_MODE_BIT0 BIT(0) 4567e538372SRené van Dorst #define SGMII_SPEED_DUPLEX_AN BIT(1) 4577e538372SRené van Dorst #define SGMII_SPEED_10 0x0 4587e538372SRené van Dorst #define SGMII_SPEED_100 BIT(2) 4597e538372SRené van Dorst #define SGMII_SPEED_1000 BIT(3) 4607e538372SRené van Dorst #define SGMII_DUPLEX_FULL BIT(4) 4617e538372SRené van Dorst #define SGMII_IF_MODE_BIT5 BIT(5) 46242c03844SSean Wang #define SGMII_REMOTE_FAULT_DIS BIT(8) 4637e538372SRené van Dorst #define SGMII_CODE_SYNC_SET_VAL BIT(9) 4647e538372SRené van Dorst #define SGMII_CODE_SYNC_SET_EN BIT(10) 4657e538372SRené van Dorst #define SGMII_SEND_AN_ERROR_EN BIT(11) 4667e538372SRené van Dorst #define SGMII_IF_MODE_MASK GENMASK(5, 1) 4677e538372SRené van Dorst 4687e538372SRené van Dorst /* Register to set SGMII speed, ANA RG_ Control Signals III*/ 4697e538372SRené van Dorst #define SGMSYS_ANA_RG_CS3 0x2028 4707e538372SRené van Dorst #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) 4717e538372SRené van Dorst #define RG_PHY_SPEED_1_25G 0x0 4727e538372SRené van Dorst #define RG_PHY_SPEED_3_125G BIT(2) 47342c03844SSean Wang 47442c03844SSean Wang /* Register to power up QPHY */ 47542c03844SSean Wang #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 47642c03844SSean Wang #define SGMII_PHYA_PWD BIT(4) 47742c03844SSean Wang 4787093f9d8SSean Wang /* Infrasys subsystem config registers */ 4797093f9d8SSean Wang #define INFRA_MISC2 0x70c 4807093f9d8SSean Wang #define CO_QPHY_SEL BIT(0) 4817093f9d8SSean Wang #define GEPHY_MAC_SEL BIT(1) 4827093f9d8SSean Wang 483296c9120SStefan Roese /* MT7628/88 specific stuff */ 484296c9120SStefan Roese #define MT7628_PDMA_OFFSET 0x0800 485296c9120SStefan Roese #define MT7628_SDM_OFFSET 0x0c00 486296c9120SStefan Roese 487296c9120SStefan Roese #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00) 488296c9120SStefan Roese #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04) 489296c9120SStefan Roese #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08) 490296c9120SStefan Roese #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c) 491296c9120SStefan Roese #define MT7628_PST_DTX_IDX0 BIT(0) 492296c9120SStefan Roese 493296c9120SStefan Roese #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c) 494296c9120SStefan Roese #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10) 495296c9120SStefan Roese 496656e7052SJohn Crispin struct mtk_rx_dma { 497656e7052SJohn Crispin unsigned int rxd1; 498656e7052SJohn Crispin unsigned int rxd2; 499656e7052SJohn Crispin unsigned int rxd3; 500656e7052SJohn Crispin unsigned int rxd4; 501656e7052SJohn Crispin } __packed __aligned(4); 502656e7052SJohn Crispin 503656e7052SJohn Crispin struct mtk_tx_dma { 504656e7052SJohn Crispin unsigned int txd1; 505656e7052SJohn Crispin unsigned int txd2; 506656e7052SJohn Crispin unsigned int txd3; 507656e7052SJohn Crispin unsigned int txd4; 508656e7052SJohn Crispin } __packed __aligned(4); 509656e7052SJohn Crispin 510656e7052SJohn Crispin struct mtk_eth; 511656e7052SJohn Crispin struct mtk_mac; 512656e7052SJohn Crispin 513656e7052SJohn Crispin /* struct mtk_hw_stats - the structure that holds the traffic statistics. 514656e7052SJohn Crispin * @stats_lock: make sure that stats operations are atomic 515656e7052SJohn Crispin * @reg_offset: the status register offset of the SoC 516656e7052SJohn Crispin * @syncp: the refcount 517656e7052SJohn Crispin * 518656e7052SJohn Crispin * All of the supported SoCs have hardware counters for traffic statistics. 519656e7052SJohn Crispin * Whenever the status IRQ triggers we can read the latest stats from these 520656e7052SJohn Crispin * counters and store them in this struct. 521656e7052SJohn Crispin */ 522656e7052SJohn Crispin struct mtk_hw_stats { 523656e7052SJohn Crispin u64 tx_bytes; 524656e7052SJohn Crispin u64 tx_packets; 525656e7052SJohn Crispin u64 tx_skip; 526656e7052SJohn Crispin u64 tx_collisions; 527656e7052SJohn Crispin u64 rx_bytes; 528656e7052SJohn Crispin u64 rx_packets; 529656e7052SJohn Crispin u64 rx_overflow; 530656e7052SJohn Crispin u64 rx_fcs_errors; 531656e7052SJohn Crispin u64 rx_short_errors; 532656e7052SJohn Crispin u64 rx_long_errors; 533656e7052SJohn Crispin u64 rx_checksum_errors; 534656e7052SJohn Crispin u64 rx_flow_control_packets; 535656e7052SJohn Crispin 536656e7052SJohn Crispin spinlock_t stats_lock; 537656e7052SJohn Crispin u32 reg_offset; 538656e7052SJohn Crispin struct u64_stats_sync syncp; 539656e7052SJohn Crispin }; 540656e7052SJohn Crispin 541656e7052SJohn Crispin enum mtk_tx_flags { 542134d2152SSean Wang /* PDMA descriptor can point at 1-2 segments. This enum allows us to 543134d2152SSean Wang * track how memory was allocated so that it can be freed properly. 544134d2152SSean Wang */ 545656e7052SJohn Crispin MTK_TX_FLAGS_SINGLE0 = 0x01, 546656e7052SJohn Crispin MTK_TX_FLAGS_PAGE0 = 0x02, 547134d2152SSean Wang 548134d2152SSean Wang /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted 549134d2152SSean Wang * SKB out instead of looking up through hardware TX descriptor. 550134d2152SSean Wang */ 551134d2152SSean Wang MTK_TX_FLAGS_FPORT0 = 0x04, 552134d2152SSean Wang MTK_TX_FLAGS_FPORT1 = 0x08, 553656e7052SJohn Crispin }; 554656e7052SJohn Crispin 555549e5495SSean Wang /* This enum allows us to identify how the clock is defined on the array of the 556549e5495SSean Wang * clock in the order 557549e5495SSean Wang */ 558549e5495SSean Wang enum mtk_clks_map { 559549e5495SSean Wang MTK_CLK_ETHIF, 560d438e298SSean Wang MTK_CLK_SGMIITOP, 561549e5495SSean Wang MTK_CLK_ESW, 56242c03844SSean Wang MTK_CLK_GP0, 563549e5495SSean Wang MTK_CLK_GP1, 564549e5495SSean Wang MTK_CLK_GP2, 565d438e298SSean Wang MTK_CLK_FE, 566f430dea7SSean Wang MTK_CLK_TRGPLL, 56742c03844SSean Wang MTK_CLK_SGMII_TX_250M, 56842c03844SSean Wang MTK_CLK_SGMII_RX_250M, 56942c03844SSean Wang MTK_CLK_SGMII_CDR_REF, 57042c03844SSean Wang MTK_CLK_SGMII_CDR_FB, 571d438e298SSean Wang MTK_CLK_SGMII2_TX_250M, 572d438e298SSean Wang MTK_CLK_SGMII2_RX_250M, 573d438e298SSean Wang MTK_CLK_SGMII2_CDR_REF, 574d438e298SSean Wang MTK_CLK_SGMII2_CDR_FB, 57542c03844SSean Wang MTK_CLK_SGMII_CK, 57642c03844SSean Wang MTK_CLK_ETH2PLL, 577549e5495SSean Wang MTK_CLK_MAX 578549e5495SSean Wang }; 579549e5495SSean Wang 5802ec50f57SSean Wang #define MT7623_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ 5812ec50f57SSean Wang BIT(MTK_CLK_GP1) | BIT(MTK_CLK_GP2) | \ 5822ec50f57SSean Wang BIT(MTK_CLK_TRGPLL)) 58342c03844SSean Wang #define MT7622_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ 58442c03844SSean Wang BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ 58542c03844SSean Wang BIT(MTK_CLK_GP2) | \ 58642c03844SSean Wang BIT(MTK_CLK_SGMII_TX_250M) | \ 58742c03844SSean Wang BIT(MTK_CLK_SGMII_RX_250M) | \ 58842c03844SSean Wang BIT(MTK_CLK_SGMII_CDR_REF) | \ 58942c03844SSean Wang BIT(MTK_CLK_SGMII_CDR_FB) | \ 59042c03844SSean Wang BIT(MTK_CLK_SGMII_CK) | \ 59142c03844SSean Wang BIT(MTK_CLK_ETH2PLL)) 592889bcbdeSBjørn Mork #define MT7621_CLKS_BITMAP (0) 593296c9120SStefan Roese #define MT7628_CLKS_BITMAP (0) 594d438e298SSean Wang #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ 595d438e298SSean Wang BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ 596d438e298SSean Wang BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \ 597d438e298SSean Wang BIT(MTK_CLK_SGMII_TX_250M) | \ 598d438e298SSean Wang BIT(MTK_CLK_SGMII_RX_250M) | \ 599d438e298SSean Wang BIT(MTK_CLK_SGMII_CDR_REF) | \ 600d438e298SSean Wang BIT(MTK_CLK_SGMII_CDR_FB) | \ 601d438e298SSean Wang BIT(MTK_CLK_SGMII2_TX_250M) | \ 602d438e298SSean Wang BIT(MTK_CLK_SGMII2_RX_250M) | \ 603d438e298SSean Wang BIT(MTK_CLK_SGMII2_CDR_REF) | \ 604d438e298SSean Wang BIT(MTK_CLK_SGMII2_CDR_FB) | \ 605d438e298SSean Wang BIT(MTK_CLK_SGMII_CK) | \ 606d438e298SSean Wang BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP)) 607889bcbdeSBjørn Mork 6089ea4d311SSean Wang enum mtk_dev_state { 609dce6fa42SSean Wang MTK_HW_INIT, 610dce6fa42SSean Wang MTK_RESETTING 6119ea4d311SSean Wang }; 6129ea4d311SSean Wang 613656e7052SJohn Crispin /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at 614656e7052SJohn Crispin * by the TX descriptor s 615656e7052SJohn Crispin * @skb: The SKB pointer of the packet being sent 616656e7052SJohn Crispin * @dma_addr0: The base addr of the first segment 617656e7052SJohn Crispin * @dma_len0: The length of the first segment 618656e7052SJohn Crispin * @dma_addr1: The base addr of the second segment 619656e7052SJohn Crispin * @dma_len1: The length of the second segment 620656e7052SJohn Crispin */ 621656e7052SJohn Crispin struct mtk_tx_buf { 622656e7052SJohn Crispin struct sk_buff *skb; 623656e7052SJohn Crispin u32 flags; 624656e7052SJohn Crispin DEFINE_DMA_UNMAP_ADDR(dma_addr0); 625656e7052SJohn Crispin DEFINE_DMA_UNMAP_LEN(dma_len0); 626656e7052SJohn Crispin DEFINE_DMA_UNMAP_ADDR(dma_addr1); 627656e7052SJohn Crispin DEFINE_DMA_UNMAP_LEN(dma_len1); 628656e7052SJohn Crispin }; 629656e7052SJohn Crispin 630656e7052SJohn Crispin /* struct mtk_tx_ring - This struct holds info describing a TX ring 631656e7052SJohn Crispin * @dma: The descriptor ring 632656e7052SJohn Crispin * @buf: The memory pointed at by the ring 633656e7052SJohn Crispin * @phys: The physical addr of tx_buf 634656e7052SJohn Crispin * @next_free: Pointer to the next free descriptor 635656e7052SJohn Crispin * @last_free: Pointer to the last free descriptor 636656e7052SJohn Crispin * @thresh: The threshold of minimum amount of free descriptors 637656e7052SJohn Crispin * @free_count: QDMA uses a linked list. Track how many free descriptors 638656e7052SJohn Crispin * are present 639656e7052SJohn Crispin */ 640656e7052SJohn Crispin struct mtk_tx_ring { 641656e7052SJohn Crispin struct mtk_tx_dma *dma; 642656e7052SJohn Crispin struct mtk_tx_buf *buf; 643656e7052SJohn Crispin dma_addr_t phys; 644656e7052SJohn Crispin struct mtk_tx_dma *next_free; 645656e7052SJohn Crispin struct mtk_tx_dma *last_free; 646656e7052SJohn Crispin u16 thresh; 647656e7052SJohn Crispin atomic_t free_count; 648296c9120SStefan Roese int dma_size; 649296c9120SStefan Roese struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */ 650296c9120SStefan Roese dma_addr_t phys_pdma; 651296c9120SStefan Roese int cpu_idx; 652656e7052SJohn Crispin }; 653656e7052SJohn Crispin 654ee406810SNelson Chang /* PDMA rx ring mode */ 655ee406810SNelson Chang enum mtk_rx_flags { 656ee406810SNelson Chang MTK_RX_FLAGS_NORMAL = 0, 657ee406810SNelson Chang MTK_RX_FLAGS_HWLRO, 6586427dc1dSJohn Crispin MTK_RX_FLAGS_QDMA, 659ee406810SNelson Chang }; 660ee406810SNelson Chang 661656e7052SJohn Crispin /* struct mtk_rx_ring - This struct holds info describing a RX ring 662656e7052SJohn Crispin * @dma: The descriptor ring 663656e7052SJohn Crispin * @data: The memory pointed at by the ring 664656e7052SJohn Crispin * @phys: The physical addr of rx_buf 665656e7052SJohn Crispin * @frag_size: How big can each fragment be 666656e7052SJohn Crispin * @buf_size: The size of each packet buffer 667656e7052SJohn Crispin * @calc_idx: The current head of ring 668656e7052SJohn Crispin */ 669656e7052SJohn Crispin struct mtk_rx_ring { 670656e7052SJohn Crispin struct mtk_rx_dma *dma; 671656e7052SJohn Crispin u8 **data; 672656e7052SJohn Crispin dma_addr_t phys; 673656e7052SJohn Crispin u16 frag_size; 674656e7052SJohn Crispin u16 buf_size; 675ee406810SNelson Chang u16 dma_size; 676ee406810SNelson Chang bool calc_idx_update; 677656e7052SJohn Crispin u16 calc_idx; 678ee406810SNelson Chang u32 crx_idx_reg; 679656e7052SJohn Crispin }; 680656e7052SJohn Crispin 681e2c74694SRené van Dorst enum mkt_eth_capabilities { 682e2c74694SRené van Dorst MTK_RGMII_BIT = 0, 683e2c74694SRené van Dorst MTK_TRGMII_BIT, 684e2c74694SRené van Dorst MTK_SGMII_BIT, 685e2c74694SRené van Dorst MTK_ESW_BIT, 686e2c74694SRené van Dorst MTK_GEPHY_BIT, 687e2c74694SRené van Dorst MTK_MUX_BIT, 688e2c74694SRené van Dorst MTK_INFRA_BIT, 689e2c74694SRené van Dorst MTK_SHARED_SGMII_BIT, 690e2c74694SRené van Dorst MTK_HWLRO_BIT, 691e2c74694SRené van Dorst MTK_SHARED_INT_BIT, 692e2c74694SRené van Dorst MTK_TRGMII_MT7621_CLK_BIT, 693296c9120SStefan Roese MTK_QDMA_BIT, 694296c9120SStefan Roese MTK_SOC_MT7628_BIT, 6957093f9d8SSean Wang 696e2c74694SRené van Dorst /* MUX BITS*/ 697e2c74694SRené van Dorst MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, 698e2c74694SRené van Dorst MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT, 699e2c74694SRené van Dorst MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT, 700e2c74694SRené van Dorst MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT, 701e2c74694SRené van Dorst MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT, 702e2c74694SRené van Dorst 703e2c74694SRené van Dorst /* PATH BITS */ 704e2c74694SRené van Dorst MTK_ETH_PATH_GMAC1_RGMII_BIT, 705e2c74694SRené van Dorst MTK_ETH_PATH_GMAC1_TRGMII_BIT, 706e2c74694SRené van Dorst MTK_ETH_PATH_GMAC1_SGMII_BIT, 707e2c74694SRené van Dorst MTK_ETH_PATH_GMAC2_RGMII_BIT, 708e2c74694SRené van Dorst MTK_ETH_PATH_GMAC2_SGMII_BIT, 709e2c74694SRené van Dorst MTK_ETH_PATH_GMAC2_GEPHY_BIT, 710e2c74694SRené van Dorst MTK_ETH_PATH_GDM1_ESW_BIT, 7117093f9d8SSean Wang }; 7127093f9d8SSean Wang 7137093f9d8SSean Wang /* Supported hardware group on SoCs */ 714e2c74694SRené van Dorst #define MTK_RGMII BIT(MTK_RGMII_BIT) 715e2c74694SRené van Dorst #define MTK_TRGMII BIT(MTK_TRGMII_BIT) 716e2c74694SRené van Dorst #define MTK_SGMII BIT(MTK_SGMII_BIT) 717e2c74694SRené van Dorst #define MTK_ESW BIT(MTK_ESW_BIT) 718e2c74694SRené van Dorst #define MTK_GEPHY BIT(MTK_GEPHY_BIT) 719e2c74694SRené van Dorst #define MTK_MUX BIT(MTK_MUX_BIT) 720e2c74694SRené van Dorst #define MTK_INFRA BIT(MTK_INFRA_BIT) 721e2c74694SRené van Dorst #define MTK_SHARED_SGMII BIT(MTK_SHARED_SGMII_BIT) 722e2c74694SRené van Dorst #define MTK_HWLRO BIT(MTK_HWLRO_BIT) 723e2c74694SRené van Dorst #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT) 724e2c74694SRené van Dorst #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) 725296c9120SStefan Roese #define MTK_QDMA BIT(MTK_QDMA_BIT) 726296c9120SStefan Roese #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) 727e2c74694SRené van Dorst 728e2c74694SRené van Dorst #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ 729e2c74694SRené van Dorst BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) 730e2c74694SRené van Dorst #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \ 731e2c74694SRené van Dorst BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT) 732e2c74694SRené van Dorst #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \ 733e2c74694SRené van Dorst BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT) 734e2c74694SRené van Dorst #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ 735e2c74694SRené van Dorst BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT) 736e2c74694SRené van Dorst #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \ 737e2c74694SRené van Dorst BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT) 7387093f9d8SSean Wang 7397093f9d8SSean Wang /* Supported path present on SoCs */ 740e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC1_RGMII BIT(MTK_ETH_PATH_GMAC1_RGMII_BIT) 741e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT) 742e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC1_SGMII BIT(MTK_ETH_PATH_GMAC1_SGMII_BIT) 743e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC2_RGMII BIT(MTK_ETH_PATH_GMAC2_RGMII_BIT) 744e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT) 745e2c74694SRené van Dorst #define MTK_ETH_PATH_GMAC2_GEPHY BIT(MTK_ETH_PATH_GMAC2_GEPHY_BIT) 746e2c74694SRené van Dorst #define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT) 7477093f9d8SSean Wang 748e2c74694SRené van Dorst #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII) 749e2c74694SRené van Dorst #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII) 750e2c74694SRené van Dorst #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII) 751e2c74694SRené van Dorst #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII) 752e2c74694SRené van Dorst #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII) 753e2c74694SRené van Dorst #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY) 754e2c74694SRené van Dorst #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW) 7557093f9d8SSean Wang 7567093f9d8SSean Wang /* MUXes present on SoCs */ 7577093f9d8SSean Wang /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */ 758e2c74694SRené van Dorst #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX) 7597093f9d8SSean Wang 7607093f9d8SSean Wang /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */ 7617093f9d8SSean Wang #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \ 762e2c74694SRené van Dorst (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA) 7637093f9d8SSean Wang 7647093f9d8SSean Wang /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */ 7657093f9d8SSean Wang #define MTK_MUX_U3_GMAC2_TO_QPHY \ 766e2c74694SRené van Dorst (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA) 7677093f9d8SSean Wang 7687093f9d8SSean Wang /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */ 7697093f9d8SSean Wang #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ 770e2c74694SRené van Dorst (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \ 7717093f9d8SSean Wang MTK_SHARED_SGMII) 7727093f9d8SSean Wang 7737093f9d8SSean Wang /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */ 7747093f9d8SSean Wang #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \ 775e2c74694SRené van Dorst (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX) 7767093f9d8SSean Wang 7772ec50f57SSean Wang #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) 7782ec50f57SSean Wang 7798efaa653SRené van Dorst #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ 780296c9120SStefan Roese MTK_GMAC2_RGMII | MTK_SHARED_INT | \ 781296c9120SStefan Roese MTK_TRGMII_MT7621_CLK | MTK_QDMA) 7828efaa653SRené van Dorst 7837093f9d8SSean Wang #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ 7847093f9d8SSean Wang MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ 7857093f9d8SSean Wang MTK_MUX_GDM1_TO_GMAC1_ESW | \ 786296c9120SStefan Roese MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) 7877093f9d8SSean Wang 788296c9120SStefan Roese #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ 789296c9120SStefan Roese MTK_QDMA) 790296c9120SStefan Roese 791296c9120SStefan Roese #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) 7927093f9d8SSean Wang 7937093f9d8SSean Wang #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ 7947093f9d8SSean Wang MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ 7957093f9d8SSean Wang MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ 7967093f9d8SSean Wang MTK_MUX_U3_GMAC2_TO_QPHY | \ 797296c9120SStefan Roese MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) 7987093f9d8SSean Wang 79942c03844SSean Wang /* struct mtk_eth_data - This is the structure holding all differences 8002ec50f57SSean Wang * among various plaforms 8019ffee4a8SSean Wang * @ana_rgc3: The offset for register ANA_RGC3 related to 8029ffee4a8SSean Wang * sgmiisys syscon 8032ec50f57SSean Wang * @caps Flags shown the extra capability for the SoC 804296c9120SStefan Roese * @hw_features Flags shown HW features 8052ec50f57SSean Wang * @required_clks Flags shown the bitmap for required clocks on 8062ec50f57SSean Wang * the target SoC 807243dc5fbSSean Wang * @required_pctl A bool value to show whether the SoC requires 808243dc5fbSSean Wang * the extra setup for those pins used by GMAC. 8092ec50f57SSean Wang */ 8102ec50f57SSean Wang struct mtk_soc_data { 8119ffee4a8SSean Wang u32 ana_rgc3; 8122ec50f57SSean Wang u32 caps; 8132ec50f57SSean Wang u32 required_clks; 814243dc5fbSSean Wang bool required_pctl; 815*ba37b7caSFelix Fietkau u8 offload_version; 816296c9120SStefan Roese netdev_features_t hw_features; 8172ec50f57SSean Wang }; 8182ec50f57SSean Wang 819656e7052SJohn Crispin /* currently no SoC has more than 2 macs */ 820656e7052SJohn Crispin #define MTK_MAX_DEVS 2 821656e7052SJohn Crispin 8229ffee4a8SSean Wang #define MTK_SGMII_PHYSPEED_AN BIT(31) 823937a9440SJoe Perches #define MTK_SGMII_PHYSPEED_MASK GENMASK(2, 0) 8249ffee4a8SSean Wang #define MTK_SGMII_PHYSPEED_1000 BIT(0) 8259ffee4a8SSean Wang #define MTK_SGMII_PHYSPEED_2500 BIT(1) 8269ffee4a8SSean Wang #define MTK_HAS_FLAGS(flags, _x) (((flags) & (_x)) == (_x)) 8279ffee4a8SSean Wang 8289ffee4a8SSean Wang /* struct mtk_sgmii - This is the structure holding sgmii regmap and its 8299ffee4a8SSean Wang * characteristics 8309ffee4a8SSean Wang * @regmap: The register map pointing at the range used to setup 8319ffee4a8SSean Wang * SGMII modes 8329ffee4a8SSean Wang * @flags: The enum refers to which mode the sgmii wants to run on 8339ffee4a8SSean Wang * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap 8349ffee4a8SSean Wang */ 8359ffee4a8SSean Wang 8369ffee4a8SSean Wang struct mtk_sgmii { 8379ffee4a8SSean Wang struct regmap *regmap[MTK_MAX_DEVS]; 8389ffee4a8SSean Wang u32 flags[MTK_MAX_DEVS]; 8399ffee4a8SSean Wang u32 ana_rgc3; 8409ffee4a8SSean Wang }; 8419ffee4a8SSean Wang 842656e7052SJohn Crispin /* struct mtk_eth - This is the main datasructure for holding the state 843656e7052SJohn Crispin * of the driver 844656e7052SJohn Crispin * @dev: The device pointer 845656e7052SJohn Crispin * @base: The mapped register i/o base 846656e7052SJohn Crispin * @page_lock: Make sure that register operations are atomic 8475cce0322SJohn Crispin * @tx_irq__lock: Make sure that IRQ register operations are atomic 8485cce0322SJohn Crispin * @rx_irq__lock: Make sure that IRQ register operations are atomic 849656e7052SJohn Crispin * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a 850656e7052SJohn Crispin * dummy for NAPI to work 851656e7052SJohn Crispin * @netdev: The netdev instances 852656e7052SJohn Crispin * @mac: Each netdev is linked to a physical MAC 853656e7052SJohn Crispin * @irq: The IRQ that we are using 854656e7052SJohn Crispin * @msg_enable: Ethtool msg level 855656e7052SJohn Crispin * @ethsys: The register map pointing at the range used to setup 856656e7052SJohn Crispin * MII modes 8577093f9d8SSean Wang * @infra: The register map pointing at the range used to setup 8587093f9d8SSean Wang * SGMII and GePHY path 859656e7052SJohn Crispin * @pctl: The register map pointing at the range used to setup 860656e7052SJohn Crispin * GMAC port drive/slew values 861656e7052SJohn Crispin * @dma_refcnt: track how many netdevs are using the DMA engine 8620c07ce7fSJohn Crispin * @tx_ring: Pointer to the memory holding info about the TX ring 8630c07ce7fSJohn Crispin * @rx_ring: Pointer to the memory holding info about the RX ring 8646427dc1dSJohn Crispin * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring 86580673029SJohn Crispin * @tx_napi: The TX NAPI struct 86680673029SJohn Crispin * @rx_napi: The RX NAPI struct 867656e7052SJohn Crispin * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring 868605e4fe4SJohn Crispin * @phy_scratch_ring: physical address of scratch_ring 869656e7052SJohn Crispin * @scratch_head: The scratch memory that scratch_ring points to. 870549e5495SSean Wang * @clks: clock array for all clocks required 871656e7052SJohn Crispin * @mii_bus: If there is a bus we need to create an instance for it 8727c78b4adSJohn Crispin * @pending_work: The workqueue used to reset the dma ring 87342c03844SSean Wang * @state: Initialization and runtime state of the device 8742ec50f57SSean Wang * @soc: Holding specific data among vaious SoCs 875656e7052SJohn Crispin */ 876656e7052SJohn Crispin 877656e7052SJohn Crispin struct mtk_eth { 878656e7052SJohn Crispin struct device *dev; 879656e7052SJohn Crispin void __iomem *base; 880656e7052SJohn Crispin spinlock_t page_lock; 8815cce0322SJohn Crispin spinlock_t tx_irq_lock; 8825cce0322SJohn Crispin spinlock_t rx_irq_lock; 883656e7052SJohn Crispin struct net_device dummy_dev; 884656e7052SJohn Crispin struct net_device *netdev[MTK_MAX_DEVS]; 885656e7052SJohn Crispin struct mtk_mac *mac[MTK_MAX_DEVS]; 88680673029SJohn Crispin int irq[3]; 887656e7052SJohn Crispin u32 msg_enable; 888656e7052SJohn Crispin unsigned long sysclk; 889656e7052SJohn Crispin struct regmap *ethsys; 8907093f9d8SSean Wang struct regmap *infra; 8919ffee4a8SSean Wang struct mtk_sgmii *sgmii; 892656e7052SJohn Crispin struct regmap *pctl; 893ee406810SNelson Chang bool hwlro; 894c6d4e63eSElena Reshetova refcount_t dma_refcnt; 895656e7052SJohn Crispin struct mtk_tx_ring tx_ring; 896ee406810SNelson Chang struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM]; 8976427dc1dSJohn Crispin struct mtk_rx_ring rx_ring_qdma; 89880673029SJohn Crispin struct napi_struct tx_napi; 899656e7052SJohn Crispin struct napi_struct rx_napi; 900656e7052SJohn Crispin struct mtk_tx_dma *scratch_ring; 901605e4fe4SJohn Crispin dma_addr_t phy_scratch_ring; 902656e7052SJohn Crispin void *scratch_head; 903549e5495SSean Wang struct clk *clks[MTK_CLK_MAX]; 904549e5495SSean Wang 905656e7052SJohn Crispin struct mii_bus *mii_bus; 9067c78b4adSJohn Crispin struct work_struct pending_work; 9079ea4d311SSean Wang unsigned long state; 9082ec50f57SSean Wang 9092ec50f57SSean Wang const struct mtk_soc_data *soc; 910296c9120SStefan Roese 911296c9120SStefan Roese u32 tx_int_mask_reg; 912296c9120SStefan Roese u32 tx_int_status_reg; 913296c9120SStefan Roese u32 rx_dma_l4_valid; 914296c9120SStefan Roese int ip_align; 915*ba37b7caSFelix Fietkau 916*ba37b7caSFelix Fietkau struct mtk_ppe ppe; 917656e7052SJohn Crispin }; 918656e7052SJohn Crispin 919656e7052SJohn Crispin /* struct mtk_mac - the structure that holds the info about the MACs of the 920656e7052SJohn Crispin * SoC 921656e7052SJohn Crispin * @id: The number of the MAC 922b8fc9f30SRené van Dorst * @interface: Interface mode kept for detecting change in hw settings 923656e7052SJohn Crispin * @of_node: Our devicetree node 924656e7052SJohn Crispin * @hw: Backpointer to our main datastruture 925656e7052SJohn Crispin * @hw_stats: Packet statistics counter 926656e7052SJohn Crispin */ 927656e7052SJohn Crispin struct mtk_mac { 928656e7052SJohn Crispin int id; 929b8fc9f30SRené van Dorst phy_interface_t interface; 930b8fc9f30SRené van Dorst unsigned int mode; 931b8fc9f30SRené van Dorst int speed; 932656e7052SJohn Crispin struct device_node *of_node; 933b8fc9f30SRené van Dorst struct phylink *phylink; 934b8fc9f30SRené van Dorst struct phylink_config phylink_config; 935656e7052SJohn Crispin struct mtk_eth *hw; 936656e7052SJohn Crispin struct mtk_hw_stats *hw_stats; 937ee406810SNelson Chang __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT]; 938ee406810SNelson Chang int hwlro_ip_cnt; 939656e7052SJohn Crispin }; 940656e7052SJohn Crispin 941656e7052SJohn Crispin /* the struct describing the SoC. these are declared in the soc_xyz.c files */ 942656e7052SJohn Crispin extern const struct of_device_id of_mtk_match[]; 943656e7052SJohn Crispin 944656e7052SJohn Crispin /* read the hardware status register */ 945656e7052SJohn Crispin void mtk_stats_update_mac(struct mtk_mac *mac); 946656e7052SJohn Crispin 947656e7052SJohn Crispin void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); 948656e7052SJohn Crispin u32 mtk_r32(struct mtk_eth *eth, unsigned reg); 949656e7052SJohn Crispin 9509ffee4a8SSean Wang int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, 9519ffee4a8SSean Wang u32 ana_rgc3); 9529ffee4a8SSean Wang int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id); 9537e538372SRené van Dorst int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id, 9547e538372SRené van Dorst const struct phylink_link_state *state); 9557e538372SRené van Dorst void mtk_sgmii_restart_an(struct mtk_eth *eth, int mac_id); 9567e538372SRené van Dorst 9577e538372SRené van Dorst int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); 9587e538372SRené van Dorst int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); 9597e538372SRené van Dorst int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); 9609ffee4a8SSean Wang 961656e7052SJohn Crispin #endif /* MTK_ETH_H */ 962