1029 lines
32 KiB
C
1029 lines
32 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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*
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* Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
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* Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
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*/
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#ifndef MTK_ETH_H
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#define MTK_ETH_H
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#include <linux/dma-mapping.h>
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#include <linux/netdevice.h>
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#include <linux/of_net.h>
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#include <linux/u64_stats_sync.h>
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#include <linux/refcount.h>
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#include <linux/phylink.h>
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#include <linux/rhashtable.h>
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#include <linux/dim.h>
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#include "mtk_ppe.h"
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#define MTK_QDMA_PAGE_SIZE 2048
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#define MTK_MAX_RX_LENGTH 1536
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#define MTK_MAX_RX_LENGTH_2K 2048
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#define MTK_TX_DMA_BUF_LEN 0x3fff
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#define MTK_DMA_SIZE 512
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#define MTK_NAPI_WEIGHT 64
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#define MTK_MAC_COUNT 2
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#define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)
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#define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
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#define MTK_DMA_DUMMY_DESC 0xffffffff
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#define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \
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NETIF_MSG_PROBE | \
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NETIF_MSG_LINK | \
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NETIF_MSG_TIMER | \
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NETIF_MSG_IFDOWN | \
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NETIF_MSG_IFUP | \
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NETIF_MSG_RX_ERR | \
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NETIF_MSG_TX_ERR)
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#define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \
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NETIF_F_RXCSUM | \
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NETIF_F_HW_VLAN_CTAG_TX | \
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NETIF_F_HW_VLAN_CTAG_RX | \
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NETIF_F_SG | NETIF_F_TSO | \
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NETIF_F_TSO6 | \
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NETIF_F_IPV6_CSUM |\
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NETIF_F_HW_TC)
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#define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM)
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#define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1))
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#define MTK_MAX_RX_RING_NUM 4
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#define MTK_HW_LRO_DMA_SIZE 8
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#define MTK_MAX_LRO_RX_LENGTH (4096 * 3)
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#define MTK_MAX_LRO_IP_CNT 2
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#define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */
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#define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */
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#define MTK_HW_LRO_AGG_TIME 10 /* 200us */
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#define MTK_HW_LRO_AGE_TIME 50 /* 1ms */
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#define MTK_HW_LRO_MAX_AGG_CNT 64
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#define MTK_HW_LRO_BW_THRE 3000
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#define MTK_HW_LRO_REPLACE_DELTA 1000
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#define MTK_HW_LRO_SDL_REMAIN_ROOM 1522
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/* Frame Engine Global Reset Register */
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#define MTK_RST_GL 0x04
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#define RST_GL_PSE BIT(0)
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/* Frame Engine Interrupt Status Register */
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#define MTK_INT_STATUS2 0x08
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#define MTK_GDM1_AF BIT(28)
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#define MTK_GDM2_AF BIT(29)
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/* PDMA HW LRO Alter Flow Timer Register */
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#define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c
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/* Frame Engine Interrupt Grouping Register */
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#define MTK_FE_INT_GRP 0x20
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/* CDMP Ingress Control Register */
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#define MTK_CDMQ_IG_CTRL 0x1400
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#define MTK_CDMQ_STAG_EN BIT(0)
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/* CDMP Exgress Control Register */
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#define MTK_CDMP_EG_CTRL 0x404
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/* GDM Exgress Control Register */
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#define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
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#define MTK_GDMA_SPECIAL_TAG BIT(24)
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#define MTK_GDMA_ICS_EN BIT(22)
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#define MTK_GDMA_TCS_EN BIT(21)
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#define MTK_GDMA_UCS_EN BIT(20)
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#define MTK_GDMA_TO_PDMA 0x0
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#define MTK_GDMA_TO_PPE 0x4444
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#define MTK_GDMA_DROP_ALL 0x7777
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/* Unicast Filter MAC Address Register - Low */
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#define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000))
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/* Unicast Filter MAC Address Register - High */
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#define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000))
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/* PDMA RX Base Pointer Register */
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#define MTK_PRX_BASE_PTR0 0x900
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#define MTK_PRX_BASE_PTR_CFG(x) (MTK_PRX_BASE_PTR0 + (x * 0x10))
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/* PDMA RX Maximum Count Register */
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#define MTK_PRX_MAX_CNT0 0x904
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#define MTK_PRX_MAX_CNT_CFG(x) (MTK_PRX_MAX_CNT0 + (x * 0x10))
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/* PDMA RX CPU Pointer Register */
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#define MTK_PRX_CRX_IDX0 0x908
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#define MTK_PRX_CRX_IDX_CFG(x) (MTK_PRX_CRX_IDX0 + (x * 0x10))
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/* PDMA HW LRO Control Registers */
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#define MTK_PDMA_LRO_CTRL_DW0 0x980
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#define MTK_LRO_EN BIT(0)
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#define MTK_L3_CKS_UPD_EN BIT(7)
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#define MTK_LRO_ALT_PKT_CNT_MODE BIT(21)
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#define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26)
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#define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29)
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#define MTK_PDMA_LRO_CTRL_DW1 0x984
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#define MTK_PDMA_LRO_CTRL_DW2 0x988
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#define MTK_PDMA_LRO_CTRL_DW3 0x98c
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#define MTK_ADMA_MODE BIT(15)
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#define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16)
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/* PDMA Global Configuration Register */
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#define MTK_PDMA_GLO_CFG 0xa04
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#define MTK_MULTI_EN BIT(10)
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#define MTK_PDMA_SIZE_8DWORDS (1 << 4)
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/* PDMA Reset Index Register */
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#define MTK_PDMA_RST_IDX 0xa08
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#define MTK_PST_DRX_IDX0 BIT(16)
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#define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x))
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/* PDMA Delay Interrupt Register */
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#define MTK_PDMA_DELAY_INT 0xa0c
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#define MTK_PDMA_DELAY_RX_MASK GENMASK(15, 0)
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#define MTK_PDMA_DELAY_RX_EN BIT(15)
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#define MTK_PDMA_DELAY_RX_PINT_SHIFT 8
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#define MTK_PDMA_DELAY_RX_PTIME_SHIFT 0
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#define MTK_PDMA_DELAY_TX_MASK GENMASK(31, 16)
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#define MTK_PDMA_DELAY_TX_EN BIT(31)
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#define MTK_PDMA_DELAY_TX_PINT_SHIFT 24
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#define MTK_PDMA_DELAY_TX_PTIME_SHIFT 16
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#define MTK_PDMA_DELAY_PINT_MASK 0x7f
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#define MTK_PDMA_DELAY_PTIME_MASK 0xff
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/* PDMA Interrupt Status Register */
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#define MTK_PDMA_INT_STATUS 0xa20
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/* PDMA Interrupt Mask Register */
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#define MTK_PDMA_INT_MASK 0xa28
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/* PDMA HW LRO Alter Flow Delta Register */
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#define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c
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/* PDMA Interrupt grouping registers */
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#define MTK_PDMA_INT_GRP1 0xa50
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#define MTK_PDMA_INT_GRP2 0xa54
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/* PDMA HW LRO IP Setting Registers */
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#define MTK_LRO_RX_RING0_DIP_DW0 0xb04
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#define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40))
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#define MTK_RING_MYIP_VLD BIT(9)
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/* PDMA HW LRO Ring Control Registers */
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#define MTK_LRO_RX_RING0_CTRL_DW1 0xb28
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#define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c
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#define MTK_LRO_RX_RING0_CTRL_DW3 0xb30
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#define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40))
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#define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40))
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#define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40))
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#define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22)
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#define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f)
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#define MTK_RING_AUTO_LERAN_MODE (3 << 6)
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#define MTK_RING_VLD BIT(8)
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#define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10)
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#define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26)
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#define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3)
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/* QDMA TX Queue Configuration Registers */
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#define MTK_QTX_CFG(x) (0x1800 + (x * 0x10))
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#define QDMA_RES_THRES 4
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/* QDMA TX Queue Scheduler Registers */
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#define MTK_QTX_SCH(x) (0x1804 + (x * 0x10))
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/* QDMA RX Base Pointer Register */
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#define MTK_QRX_BASE_PTR0 0x1900
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/* QDMA RX Maximum Count Register */
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#define MTK_QRX_MAX_CNT0 0x1904
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/* QDMA RX CPU Pointer Register */
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#define MTK_QRX_CRX_IDX0 0x1908
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/* QDMA RX DMA Pointer Register */
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#define MTK_QRX_DRX_IDX0 0x190C
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/* QDMA Global Configuration Register */
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#define MTK_QDMA_GLO_CFG 0x1A04
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#define MTK_RX_2B_OFFSET BIT(31)
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#define MTK_RX_BT_32DWORDS (3 << 11)
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#define MTK_NDP_CO_PRO BIT(10)
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#define MTK_TX_WB_DDONE BIT(6)
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#define MTK_TX_BT_32DWORDS (3 << 4)
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#define MTK_RX_DMA_BUSY BIT(3)
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#define MTK_TX_DMA_BUSY BIT(1)
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#define MTK_RX_DMA_EN BIT(2)
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#define MTK_TX_DMA_EN BIT(0)
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#define MTK_DMA_BUSY_TIMEOUT_US 1000000
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/* QDMA Reset Index Register */
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#define MTK_QDMA_RST_IDX 0x1A08
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/* QDMA Delay Interrupt Register */
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#define MTK_QDMA_DELAY_INT 0x1A0C
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/* QDMA Flow Control Register */
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#define MTK_QDMA_FC_THRES 0x1A10
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#define FC_THRES_DROP_MODE BIT(20)
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#define FC_THRES_DROP_EN (7 << 16)
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#define FC_THRES_MIN 0x4444
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/* QDMA Interrupt Status Register */
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#define MTK_QDMA_INT_STATUS 0x1A18
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#define MTK_RX_DONE_DLY BIT(30)
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#define MTK_TX_DONE_DLY BIT(28)
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#define MTK_RX_DONE_INT3 BIT(19)
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#define MTK_RX_DONE_INT2 BIT(18)
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#define MTK_RX_DONE_INT1 BIT(17)
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#define MTK_RX_DONE_INT0 BIT(16)
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#define MTK_TX_DONE_INT3 BIT(3)
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#define MTK_TX_DONE_INT2 BIT(2)
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#define MTK_TX_DONE_INT1 BIT(1)
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#define MTK_TX_DONE_INT0 BIT(0)
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#define MTK_RX_DONE_INT MTK_RX_DONE_DLY
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#define MTK_TX_DONE_INT MTK_TX_DONE_DLY
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/* QDMA Interrupt grouping registers */
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#define MTK_QDMA_INT_GRP1 0x1a20
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#define MTK_QDMA_INT_GRP2 0x1a24
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#define MTK_RLS_DONE_INT BIT(0)
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/* QDMA Interrupt Status Register */
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#define MTK_QDMA_INT_MASK 0x1A1C
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/* QDMA Interrupt Mask Register */
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#define MTK_QDMA_HRED2 0x1A44
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/* QDMA TX Forward CPU Pointer Register */
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#define MTK_QTX_CTX_PTR 0x1B00
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/* QDMA TX Forward DMA Pointer Register */
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#define MTK_QTX_DTX_PTR 0x1B04
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/* QDMA TX Release CPU Pointer Register */
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#define MTK_QTX_CRX_PTR 0x1B10
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/* QDMA TX Release DMA Pointer Register */
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#define MTK_QTX_DRX_PTR 0x1B14
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/* QDMA FQ Head Pointer Register */
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#define MTK_QDMA_FQ_HEAD 0x1B20
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/* QDMA FQ Head Pointer Register */
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#define MTK_QDMA_FQ_TAIL 0x1B24
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/* QDMA FQ Free Page Counter Register */
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#define MTK_QDMA_FQ_CNT 0x1B28
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/* QDMA FQ Free Page Buffer Length Register */
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#define MTK_QDMA_FQ_BLEN 0x1B2C
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/* GMA1 counter / statics register */
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#define MTK_GDM1_RX_GBCNT_L 0x2400
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#define MTK_GDM1_RX_GBCNT_H 0x2404
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#define MTK_GDM1_RX_GPCNT 0x2408
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#define MTK_GDM1_RX_OERCNT 0x2410
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#define MTK_GDM1_RX_FERCNT 0x2414
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#define MTK_GDM1_RX_SERCNT 0x2418
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#define MTK_GDM1_RX_LENCNT 0x241c
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#define MTK_GDM1_RX_CERCNT 0x2420
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#define MTK_GDM1_RX_FCCNT 0x2424
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#define MTK_GDM1_TX_SKIPCNT 0x2428
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#define MTK_GDM1_TX_COLCNT 0x242c
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#define MTK_GDM1_TX_GBCNT_L 0x2430
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#define MTK_GDM1_TX_GBCNT_H 0x2434
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#define MTK_GDM1_TX_GPCNT 0x2438
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#define MTK_STAT_OFFSET 0x40
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/* QDMA descriptor txd4 */
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#define TX_DMA_CHKSUM (0x7 << 29)
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#define TX_DMA_TSO BIT(28)
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#define TX_DMA_FPORT_SHIFT 25
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#define TX_DMA_FPORT_MASK 0x7
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#define TX_DMA_INS_VLAN BIT(16)
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/* QDMA descriptor txd3 */
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#define TX_DMA_OWNER_CPU BIT(31)
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#define TX_DMA_LS0 BIT(30)
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#define TX_DMA_PLEN0(_x) (((_x) & MTK_TX_DMA_BUF_LEN) << 16)
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#define TX_DMA_PLEN1(_x) ((_x) & MTK_TX_DMA_BUF_LEN)
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#define TX_DMA_SWC BIT(14)
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#define TX_DMA_SDL(_x) (((_x) & 0x3fff) << 16)
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/* PDMA on MT7628 */
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#define TX_DMA_DONE BIT(31)
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#define TX_DMA_LS1 BIT(14)
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#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
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/* QDMA descriptor rxd2 */
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#define RX_DMA_DONE BIT(31)
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#define RX_DMA_LSO BIT(30)
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#define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16)
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#define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff)
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#define RX_DMA_VTAG BIT(15)
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/* QDMA descriptor rxd3 */
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#define RX_DMA_VID(_x) ((_x) & 0xfff)
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/* QDMA descriptor rxd4 */
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#define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
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#define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14)
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#define MTK_RXD4_SRC_PORT GENMASK(21, 19)
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#define MTK_RXD4_ALG GENMASK(31, 22)
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/* QDMA descriptor rxd4 */
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#define RX_DMA_L4_VALID BIT(24)
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#define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */
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#define RX_DMA_FPORT_SHIFT 19
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#define RX_DMA_FPORT_MASK 0x7
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#define RX_DMA_SPECIAL_TAG BIT(22)
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/* PHY Indirect Access Control registers */
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#define MTK_PHY_IAC 0x10004
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#define PHY_IAC_ACCESS BIT(31)
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#define PHY_IAC_REG_MASK GENMASK(29, 25)
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#define PHY_IAC_REG(x) FIELD_PREP(PHY_IAC_REG_MASK, (x))
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#define PHY_IAC_ADDR_MASK GENMASK(24, 20)
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#define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x))
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#define PHY_IAC_CMD_MASK GENMASK(19, 18)
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#define PHY_IAC_CMD_C45_ADDR FIELD_PREP(PHY_IAC_CMD_MASK, 0)
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#define PHY_IAC_CMD_WRITE FIELD_PREP(PHY_IAC_CMD_MASK, 1)
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#define PHY_IAC_CMD_C22_READ FIELD_PREP(PHY_IAC_CMD_MASK, 2)
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#define PHY_IAC_CMD_C45_READ FIELD_PREP(PHY_IAC_CMD_MASK, 3)
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#define PHY_IAC_START_MASK GENMASK(17, 16)
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#define PHY_IAC_START_C45 FIELD_PREP(PHY_IAC_START_MASK, 0)
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#define PHY_IAC_START_C22 FIELD_PREP(PHY_IAC_START_MASK, 1)
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#define PHY_IAC_DATA_MASK GENMASK(15, 0)
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#define PHY_IAC_DATA(x) FIELD_PREP(PHY_IAC_DATA_MASK, (x))
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#define PHY_IAC_TIMEOUT HZ
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#define MTK_MAC_MISC 0x1000c
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#define MTK_MUX_TO_ESW BIT(0)
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/* Mac control registers */
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#define MTK_MAC_MCR(x) (0x10100 + (x * 0x100))
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#define MAC_MCR_MAX_RX_MASK GENMASK(25, 24)
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#define MAC_MCR_MAX_RX(_x) (MAC_MCR_MAX_RX_MASK & ((_x) << 24))
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#define MAC_MCR_MAX_RX_1518 0x0
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#define MAC_MCR_MAX_RX_1536 0x1
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#define MAC_MCR_MAX_RX_1552 0x2
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#define MAC_MCR_MAX_RX_2048 0x3
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#define MAC_MCR_IPG_CFG (BIT(18) | BIT(16))
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#define MAC_MCR_FORCE_MODE BIT(15)
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#define MAC_MCR_TX_EN BIT(14)
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#define MAC_MCR_RX_EN BIT(13)
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#define MAC_MCR_BACKOFF_EN BIT(9)
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#define MAC_MCR_BACKPR_EN BIT(8)
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#define MAC_MCR_FORCE_RX_FC BIT(5)
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#define MAC_MCR_FORCE_TX_FC BIT(4)
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#define MAC_MCR_SPEED_1000 BIT(3)
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#define MAC_MCR_SPEED_100 BIT(2)
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#define MAC_MCR_FORCE_DPX BIT(1)
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#define MAC_MCR_FORCE_LINK BIT(0)
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#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
|
|
* @last_free_ptr: Hardware pointer value of 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;
|
|
u32 last_free_ptr;
|
|
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)
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#define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT)
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#define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII)
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#define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII)
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#define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII)
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#define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII)
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#define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII)
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#define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY)
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#define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW)
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/* MUXes present on SoCs */
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/* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */
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#define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX)
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/* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */
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#define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \
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(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA)
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/* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */
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#define MTK_MUX_U3_GMAC2_TO_QPHY \
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(MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA)
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/* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */
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#define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
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(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \
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MTK_SHARED_SGMII)
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/* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */
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#define MTK_MUX_GMAC12_TO_GEPHY_SGMII \
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(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
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#define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x))
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#define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
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MTK_GMAC2_RGMII | MTK_SHARED_INT | \
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MTK_TRGMII_MT7621_CLK | MTK_QDMA)
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#define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \
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MTK_GMAC2_SGMII | MTK_GDM1_ESW | \
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MTK_MUX_GDM1_TO_GMAC1_ESW | \
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MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA)
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#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \
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MTK_QDMA)
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#define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628)
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#define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
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MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \
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MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \
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MTK_MUX_U3_GMAC2_TO_QPHY | \
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MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA)
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/* struct mtk_eth_data - This is the structure holding all differences
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* among various plaforms
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* @ana_rgc3: The offset for register ANA_RGC3 related to
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* sgmiisys syscon
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* @caps Flags shown the extra capability for the SoC
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* @hw_features Flags shown HW features
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* @required_clks Flags shown the bitmap for required clocks on
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* the target SoC
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* @required_pctl A bool value to show whether the SoC requires
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* the extra setup for those pins used by GMAC.
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*/
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struct mtk_soc_data {
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u32 ana_rgc3;
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u32 caps;
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u32 required_clks;
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bool required_pctl;
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u8 offload_version;
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netdev_features_t hw_features;
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};
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/* currently no SoC has more than 2 macs */
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#define MTK_MAX_DEVS 2
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#define MTK_SGMII_PHYSPEED_AN BIT(31)
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#define MTK_SGMII_PHYSPEED_MASK GENMASK(2, 0)
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#define MTK_SGMII_PHYSPEED_1000 BIT(0)
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#define MTK_SGMII_PHYSPEED_2500 BIT(1)
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#define MTK_HAS_FLAGS(flags, _x) (((flags) & (_x)) == (_x))
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/* struct mtk_sgmii - This is the structure holding sgmii regmap and its
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* characteristics
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* @regmap: The register map pointing at the range used to setup
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* SGMII modes
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* @flags: The enum refers to which mode the sgmii wants to run on
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* @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap
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*/
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struct mtk_sgmii {
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struct regmap *regmap[MTK_MAX_DEVS];
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u32 flags[MTK_MAX_DEVS];
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u32 ana_rgc3;
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};
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/* struct mtk_eth - This is the main datasructure for holding the state
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* of the driver
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* @dev: The device pointer
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* @base: The mapped register i/o base
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* @page_lock: Make sure that register operations are atomic
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* @tx_irq__lock: Make sure that IRQ register operations are atomic
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* @rx_irq__lock: Make sure that IRQ register operations are atomic
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* @dim_lock: Make sure that Net DIM operations are atomic
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* @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a
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* dummy for NAPI to work
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* @netdev: The netdev instances
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* @mac: Each netdev is linked to a physical MAC
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* @irq: The IRQ that we are using
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* @msg_enable: Ethtool msg level
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* @ethsys: The register map pointing at the range used to setup
|
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* MII modes
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* @infra: The register map pointing at the range used to setup
|
|
* SGMII and GePHY path
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* @pctl: The register map pointing at the range used to setup
|
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* GMAC port drive/slew values
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* @dma_refcnt: track how many netdevs are using the DMA engine
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* @tx_ring: Pointer to the memory holding info about the TX ring
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* @rx_ring: Pointer to the memory holding info about the RX ring
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* @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring
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* @tx_napi: The TX NAPI struct
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* @rx_napi: The RX NAPI struct
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* @rx_events: Net DIM RX event counter
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* @rx_packets: Net DIM RX packet counter
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* @rx_bytes: Net DIM RX byte counter
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* @rx_dim: Net DIM RX context
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* @tx_events: Net DIM TX event counter
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* @tx_packets: Net DIM TX packet counter
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* @tx_bytes: Net DIM TX byte counter
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* @tx_dim: Net DIM TX context
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* @scratch_ring: Newer SoCs need memory for a second HW managed TX ring
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* @phy_scratch_ring: physical address of scratch_ring
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* @scratch_head: The scratch memory that scratch_ring points to.
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* @clks: clock array for all clocks required
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* @mii_bus: If there is a bus we need to create an instance for it
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* @pending_work: The workqueue used to reset the dma ring
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* @state: Initialization and runtime state of the device
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* @soc: Holding specific data among vaious SoCs
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*/
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struct mtk_eth {
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struct device *dev;
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void __iomem *base;
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spinlock_t page_lock;
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spinlock_t tx_irq_lock;
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spinlock_t rx_irq_lock;
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struct net_device dummy_dev;
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struct net_device *netdev[MTK_MAX_DEVS];
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struct mtk_mac *mac[MTK_MAX_DEVS];
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int irq[3];
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u32 msg_enable;
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|
unsigned long sysclk;
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|
struct regmap *ethsys;
|
|
struct regmap *infra;
|
|
struct mtk_sgmii *sgmii;
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|
struct regmap *pctl;
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|
bool hwlro;
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|
refcount_t dma_refcnt;
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struct mtk_tx_ring tx_ring;
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struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM];
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struct mtk_rx_ring rx_ring_qdma;
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|
struct napi_struct tx_napi;
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|
struct napi_struct rx_napi;
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|
struct mtk_tx_dma *scratch_ring;
|
|
dma_addr_t phy_scratch_ring;
|
|
void *scratch_head;
|
|
struct clk *clks[MTK_CLK_MAX];
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|
|
|
struct mii_bus *mii_bus;
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|
struct work_struct pending_work;
|
|
unsigned long state;
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|
|
|
const struct mtk_soc_data *soc;
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|
|
|
spinlock_t dim_lock;
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|
|
|
u32 rx_events;
|
|
u32 rx_packets;
|
|
u32 rx_bytes;
|
|
struct dim rx_dim;
|
|
|
|
u32 tx_events;
|
|
u32 tx_packets;
|
|
u32 tx_bytes;
|
|
struct dim tx_dim;
|
|
|
|
u32 tx_int_mask_reg;
|
|
u32 tx_int_status_reg;
|
|
u32 rx_dma_l4_valid;
|
|
int ip_align;
|
|
|
|
struct mtk_ppe ppe;
|
|
struct rhashtable flow_table;
|
|
};
|
|
|
|
/* 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);
|
|
|
|
int mtk_eth_offload_init(struct mtk_eth *eth);
|
|
int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
|
|
void *type_data);
|
|
|
|
|
|
#endif /* MTK_ETH_H */
|