cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mvpp2.h (52604B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Definitions for Marvell PPv2 network controller for Armada 375 SoC.
      4 *
      5 * Copyright (C) 2014 Marvell
      6 *
      7 * Marcin Wojtas <mw@semihalf.com>
      8 */
      9#ifndef _MVPP2_H_
     10#define _MVPP2_H_
     11
     12#include <linux/interrupt.h>
     13#include <linux/kernel.h>
     14#include <linux/netdevice.h>
     15#include <linux/net_tstamp.h>
     16#include <linux/phy.h>
     17#include <linux/phylink.h>
     18#include <net/flow_offload.h>
     19#include <net/page_pool.h>
     20#include <linux/bpf.h>
     21#include <net/xdp.h>
     22
     23/* The PacketOffset field is measured in units of 32 bytes and is 3 bits wide,
     24 * so the maximum offset is 7 * 32 = 224
     25 */
     26#define MVPP2_SKB_HEADROOM	min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
     27
     28#define MVPP2_XDP_PASS		0
     29#define MVPP2_XDP_DROPPED	BIT(0)
     30#define MVPP2_XDP_TX		BIT(1)
     31#define MVPP2_XDP_REDIR		BIT(2)
     32
     33/* Fifo Registers */
     34#define MVPP2_RX_DATA_FIFO_SIZE_REG(port)	(0x00 + 4 * (port))
     35#define MVPP2_RX_ATTR_FIFO_SIZE_REG(port)	(0x20 + 4 * (port))
     36#define MVPP2_RX_MIN_PKT_SIZE_REG		0x60
     37#define MVPP2_RX_FIFO_INIT_REG			0x64
     38#define MVPP22_TX_FIFO_THRESH_REG(port)		(0x8840 + 4 * (port))
     39#define MVPP22_TX_FIFO_SIZE_REG(port)		(0x8860 + 4 * (port))
     40
     41/* RX DMA Top Registers */
     42#define MVPP2_RX_CTRL_REG(port)			(0x140 + 4 * (port))
     43#define     MVPP2_RX_LOW_LATENCY_PKT_SIZE(s)	(((s) & 0xfff) << 16)
     44#define     MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK	BIT(31)
     45#define MVPP2_POOL_BUF_SIZE_REG(pool)		(0x180 + 4 * (pool))
     46#define     MVPP2_POOL_BUF_SIZE_OFFSET		5
     47#define MVPP2_RXQ_CONFIG_REG(rxq)		(0x800 + 4 * (rxq))
     48#define     MVPP2_SNOOP_PKT_SIZE_MASK		0x1ff
     49#define     MVPP2_SNOOP_BUF_HDR_MASK		BIT(9)
     50#define     MVPP2_RXQ_POOL_SHORT_OFFS		20
     51#define     MVPP21_RXQ_POOL_SHORT_MASK		0x700000
     52#define     MVPP22_RXQ_POOL_SHORT_MASK		0xf00000
     53#define     MVPP2_RXQ_POOL_LONG_OFFS		24
     54#define     MVPP21_RXQ_POOL_LONG_MASK		0x7000000
     55#define     MVPP22_RXQ_POOL_LONG_MASK		0xf000000
     56#define     MVPP2_RXQ_PACKET_OFFSET_OFFS	28
     57#define     MVPP2_RXQ_PACKET_OFFSET_MASK	0x70000000
     58#define     MVPP2_RXQ_DISABLE_MASK		BIT(31)
     59
     60/* Top Registers */
     61#define MVPP2_MH_REG(port)			(0x5040 + 4 * (port))
     62#define MVPP2_DSA_EXTENDED			BIT(5)
     63#define MVPP2_VER_ID_REG			0x50b0
     64#define MVPP2_VER_PP22				0x10
     65#define MVPP2_VER_PP23				0x11
     66
     67/* Parser Registers */
     68#define MVPP2_PRS_INIT_LOOKUP_REG		0x1000
     69#define     MVPP2_PRS_PORT_LU_MAX		0xf
     70#define     MVPP2_PRS_PORT_LU_MASK(port)	(0xff << ((port) * 4))
     71#define     MVPP2_PRS_PORT_LU_VAL(port, val)	((val) << ((port) * 4))
     72#define MVPP2_PRS_INIT_OFFS_REG(port)		(0x1004 + ((port) & 4))
     73#define     MVPP2_PRS_INIT_OFF_MASK(port)	(0x3f << (((port) % 4) * 8))
     74#define     MVPP2_PRS_INIT_OFF_VAL(port, val)	((val) << (((port) % 4) * 8))
     75#define MVPP2_PRS_MAX_LOOP_REG(port)		(0x100c + ((port) & 4))
     76#define     MVPP2_PRS_MAX_LOOP_MASK(port)	(0xff << (((port) % 4) * 8))
     77#define     MVPP2_PRS_MAX_LOOP_VAL(port, val)	((val) << (((port) % 4) * 8))
     78#define MVPP2_PRS_TCAM_IDX_REG			0x1100
     79#define MVPP2_PRS_TCAM_DATA_REG(idx)		(0x1104 + (idx) * 4)
     80#define     MVPP2_PRS_TCAM_INV_MASK		BIT(31)
     81#define MVPP2_PRS_SRAM_IDX_REG			0x1200
     82#define MVPP2_PRS_SRAM_DATA_REG(idx)		(0x1204 + (idx) * 4)
     83#define MVPP2_PRS_TCAM_CTRL_REG			0x1230
     84#define     MVPP2_PRS_TCAM_EN_MASK		BIT(0)
     85#define MVPP2_PRS_TCAM_HIT_IDX_REG		0x1240
     86#define MVPP2_PRS_TCAM_HIT_CNT_REG		0x1244
     87#define     MVPP2_PRS_TCAM_HIT_CNT_MASK		GENMASK(15, 0)
     88
     89/* RSS Registers */
     90#define MVPP22_RSS_INDEX			0x1500
     91#define     MVPP22_RSS_INDEX_TABLE_ENTRY(idx)	(idx)
     92#define     MVPP22_RSS_INDEX_TABLE(idx)		((idx) << 8)
     93#define     MVPP22_RSS_INDEX_QUEUE(idx)		((idx) << 16)
     94#define MVPP22_RXQ2RSS_TABLE			0x1504
     95#define     MVPP22_RSS_TABLE_POINTER(p)		(p)
     96#define MVPP22_RSS_TABLE_ENTRY			0x1508
     97#define MVPP22_RSS_WIDTH			0x150c
     98
     99/* Classifier Registers */
    100#define MVPP2_CLS_MODE_REG			0x1800
    101#define     MVPP2_CLS_MODE_ACTIVE_MASK		BIT(0)
    102#define MVPP2_CLS_PORT_WAY_REG			0x1810
    103#define     MVPP2_CLS_PORT_WAY_MASK(port)	(1 << (port))
    104#define MVPP2_CLS_LKP_INDEX_REG			0x1814
    105#define     MVPP2_CLS_LKP_INDEX_WAY_OFFS	6
    106#define MVPP2_CLS_LKP_TBL_REG			0x1818
    107#define     MVPP2_CLS_LKP_TBL_RXQ_MASK		0xff
    108#define     MVPP2_CLS_LKP_FLOW_PTR(flow)	((flow) << 16)
    109#define     MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK	BIT(25)
    110#define MVPP2_CLS_FLOW_INDEX_REG		0x1820
    111#define MVPP2_CLS_FLOW_TBL0_REG			0x1824
    112#define     MVPP2_CLS_FLOW_TBL0_LAST		BIT(0)
    113#define     MVPP2_CLS_FLOW_TBL0_ENG_MASK	0x7
    114#define     MVPP2_CLS_FLOW_TBL0_OFFS		1
    115#define     MVPP2_CLS_FLOW_TBL0_ENG(x)		((x) << 1)
    116#define     MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK	0xff
    117#define     MVPP2_CLS_FLOW_TBL0_PORT_ID(port)	((port) << 4)
    118#define     MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL	BIT(23)
    119#define MVPP2_CLS_FLOW_TBL1_REG			0x1828
    120#define     MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK	0x7
    121#define     MVPP2_CLS_FLOW_TBL1_N_FIELDS(x)	(x)
    122#define     MVPP2_CLS_FLOW_TBL1_LU_TYPE(lu)	(((lu) & 0x3f) << 3)
    123#define     MVPP2_CLS_FLOW_TBL1_PRIO_MASK	0x3f
    124#define     MVPP2_CLS_FLOW_TBL1_PRIO(x)		((x) << 9)
    125#define     MVPP2_CLS_FLOW_TBL1_SEQ_MASK	0x7
    126#define     MVPP2_CLS_FLOW_TBL1_SEQ(x)		((x) << 15)
    127#define MVPP2_CLS_FLOW_TBL2_REG			0x182c
    128#define     MVPP2_CLS_FLOW_TBL2_FLD_MASK	0x3f
    129#define     MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n)	((n) * 6)
    130#define     MVPP2_CLS_FLOW_TBL2_FLD(n, x)	((x) << ((n) * 6))
    131#define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port)	(0x1980 + ((port) * 4))
    132#define     MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS	3
    133#define     MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK	0x7
    134#define MVPP2_CLS_SWFWD_P2HQ_REG(port)		(0x19b0 + ((port) * 4))
    135#define MVPP2_CLS_SWFWD_PCTRL_REG		0x19d0
    136#define     MVPP2_CLS_SWFWD_PCTRL_MASK(port)	(1 << (port))
    137
    138/* Classifier C2 engine Registers */
    139#define MVPP22_CLS_C2_TCAM_IDX			0x1b00
    140#define MVPP22_CLS_C2_TCAM_DATA0		0x1b10
    141#define MVPP22_CLS_C2_TCAM_DATA1		0x1b14
    142#define MVPP22_CLS_C2_TCAM_DATA2		0x1b18
    143#define MVPP22_CLS_C2_TCAM_DATA3		0x1b1c
    144#define MVPP22_CLS_C2_TCAM_DATA4		0x1b20
    145#define     MVPP22_CLS_C2_LU_TYPE(lu)		((lu) & 0x3f)
    146#define     MVPP22_CLS_C2_PORT_ID(port)		((port) << 8)
    147#define     MVPP22_CLS_C2_PORT_MASK		(0xff << 8)
    148#define MVPP22_CLS_C2_TCAM_INV			0x1b24
    149#define     MVPP22_CLS_C2_TCAM_INV_BIT		BIT(31)
    150#define MVPP22_CLS_C2_HIT_CTR			0x1b50
    151#define MVPP22_CLS_C2_ACT			0x1b60
    152#define     MVPP22_CLS_C2_ACT_RSS_EN(act)	(((act) & 0x3) << 19)
    153#define     MVPP22_CLS_C2_ACT_FWD(act)		(((act) & 0x7) << 13)
    154#define     MVPP22_CLS_C2_ACT_QHIGH(act)	(((act) & 0x3) << 11)
    155#define     MVPP22_CLS_C2_ACT_QLOW(act)		(((act) & 0x3) << 9)
    156#define     MVPP22_CLS_C2_ACT_COLOR(act)	((act) & 0x7)
    157#define MVPP22_CLS_C2_ATTR0			0x1b64
    158#define     MVPP22_CLS_C2_ATTR0_QHIGH(qh)	(((qh) & 0x1f) << 24)
    159#define     MVPP22_CLS_C2_ATTR0_QHIGH_MASK	0x1f
    160#define     MVPP22_CLS_C2_ATTR0_QHIGH_OFFS	24
    161#define     MVPP22_CLS_C2_ATTR0_QLOW(ql)	(((ql) & 0x7) << 21)
    162#define     MVPP22_CLS_C2_ATTR0_QLOW_MASK	0x7
    163#define     MVPP22_CLS_C2_ATTR0_QLOW_OFFS	21
    164#define MVPP22_CLS_C2_ATTR1			0x1b68
    165#define MVPP22_CLS_C2_ATTR2			0x1b6c
    166#define     MVPP22_CLS_C2_ATTR2_RSS_EN		BIT(30)
    167#define MVPP22_CLS_C2_ATTR3			0x1b70
    168#define MVPP22_CLS_C2_TCAM_CTRL			0x1b90
    169#define     MVPP22_CLS_C2_TCAM_BYPASS_FIFO	BIT(0)
    170
    171/* Descriptor Manager Top Registers */
    172#define MVPP2_RXQ_NUM_REG			0x2040
    173#define MVPP2_RXQ_DESC_ADDR_REG			0x2044
    174#define     MVPP22_DESC_ADDR_OFFS		8
    175#define MVPP2_RXQ_DESC_SIZE_REG			0x2048
    176#define     MVPP2_RXQ_DESC_SIZE_MASK		0x3ff0
    177#define MVPP2_RXQ_STATUS_UPDATE_REG(rxq)	(0x3000 + 4 * (rxq))
    178#define     MVPP2_RXQ_NUM_PROCESSED_OFFSET	0
    179#define     MVPP2_RXQ_NUM_NEW_OFFSET		16
    180#define MVPP2_RXQ_STATUS_REG(rxq)		(0x3400 + 4 * (rxq))
    181#define     MVPP2_RXQ_OCCUPIED_MASK		0x3fff
    182#define     MVPP2_RXQ_NON_OCCUPIED_OFFSET	16
    183#define     MVPP2_RXQ_NON_OCCUPIED_MASK		0x3fff0000
    184#define MVPP2_RXQ_THRESH_REG			0x204c
    185#define     MVPP2_OCCUPIED_THRESH_OFFSET	0
    186#define     MVPP2_OCCUPIED_THRESH_MASK		0x3fff
    187#define MVPP2_RXQ_INDEX_REG			0x2050
    188#define MVPP2_TXQ_NUM_REG			0x2080
    189#define MVPP2_TXQ_DESC_ADDR_REG			0x2084
    190#define MVPP2_TXQ_DESC_SIZE_REG			0x2088
    191#define     MVPP2_TXQ_DESC_SIZE_MASK		0x3ff0
    192#define MVPP2_TXQ_THRESH_REG			0x2094
    193#define	    MVPP2_TXQ_THRESH_OFFSET		16
    194#define	    MVPP2_TXQ_THRESH_MASK		0x3fff
    195#define MVPP2_AGGR_TXQ_UPDATE_REG		0x2090
    196#define MVPP2_TXQ_INDEX_REG			0x2098
    197#define MVPP2_TXQ_PREF_BUF_REG			0x209c
    198#define     MVPP2_PREF_BUF_PTR(desc)		((desc) & 0xfff)
    199#define     MVPP2_PREF_BUF_SIZE_4		(BIT(12) | BIT(13))
    200#define     MVPP2_PREF_BUF_SIZE_16		(BIT(12) | BIT(14))
    201#define     MVPP2_PREF_BUF_THRESH(val)		((val) << 17)
    202#define     MVPP2_TXQ_DRAIN_EN_MASK		BIT(31)
    203#define MVPP2_TXQ_PENDING_REG			0x20a0
    204#define     MVPP2_TXQ_PENDING_MASK		0x3fff
    205#define MVPP2_TXQ_INT_STATUS_REG		0x20a4
    206#define MVPP2_TXQ_SENT_REG(txq)			(0x3c00 + 4 * (txq))
    207#define     MVPP2_TRANSMITTED_COUNT_OFFSET	16
    208#define     MVPP2_TRANSMITTED_COUNT_MASK	0x3fff0000
    209#define MVPP2_TXQ_RSVD_REQ_REG			0x20b0
    210#define     MVPP2_TXQ_RSVD_REQ_Q_OFFSET		16
    211#define MVPP2_TXQ_RSVD_RSLT_REG			0x20b4
    212#define     MVPP2_TXQ_RSVD_RSLT_MASK		0x3fff
    213#define MVPP2_TXQ_RSVD_CLR_REG			0x20b8
    214#define     MVPP2_TXQ_RSVD_CLR_OFFSET		16
    215#define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu)	(0x2100 + 4 * (cpu))
    216#define     MVPP22_AGGR_TXQ_DESC_ADDR_OFFS	8
    217#define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu)	(0x2140 + 4 * (cpu))
    218#define     MVPP2_AGGR_TXQ_DESC_SIZE_MASK	0x3ff0
    219#define MVPP2_AGGR_TXQ_STATUS_REG(cpu)		(0x2180 + 4 * (cpu))
    220#define     MVPP2_AGGR_TXQ_PENDING_MASK		0x3fff
    221#define MVPP2_AGGR_TXQ_INDEX_REG(cpu)		(0x21c0 + 4 * (cpu))
    222
    223/* MBUS bridge registers */
    224#define MVPP2_WIN_BASE(w)			(0x4000 + ((w) << 2))
    225#define MVPP2_WIN_SIZE(w)			(0x4020 + ((w) << 2))
    226#define MVPP2_WIN_REMAP(w)			(0x4040 + ((w) << 2))
    227#define MVPP2_BASE_ADDR_ENABLE			0x4060
    228
    229/* AXI Bridge Registers */
    230#define MVPP22_AXI_BM_WR_ATTR_REG		0x4100
    231#define MVPP22_AXI_BM_RD_ATTR_REG		0x4104
    232#define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG	0x4110
    233#define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG	0x4114
    234#define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG	0x4118
    235#define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG	0x411c
    236#define MVPP22_AXI_RX_DATA_WR_ATTR_REG		0x4120
    237#define MVPP22_AXI_TX_DATA_RD_ATTR_REG		0x4130
    238#define MVPP22_AXI_RD_NORMAL_CODE_REG		0x4150
    239#define MVPP22_AXI_RD_SNOOP_CODE_REG		0x4154
    240#define MVPP22_AXI_WR_NORMAL_CODE_REG		0x4160
    241#define MVPP22_AXI_WR_SNOOP_CODE_REG		0x4164
    242
    243/* Values for AXI Bridge registers */
    244#define MVPP22_AXI_ATTR_CACHE_OFFS		0
    245#define MVPP22_AXI_ATTR_DOMAIN_OFFS		12
    246
    247#define MVPP22_AXI_CODE_CACHE_OFFS		0
    248#define MVPP22_AXI_CODE_DOMAIN_OFFS		4
    249
    250#define MVPP22_AXI_CODE_CACHE_NON_CACHE		0x3
    251#define MVPP22_AXI_CODE_CACHE_WR_CACHE		0x7
    252#define MVPP22_AXI_CODE_CACHE_RD_CACHE		0xb
    253
    254#define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM	2
    255#define MVPP22_AXI_CODE_DOMAIN_SYSTEM		3
    256
    257/* Interrupt Cause and Mask registers */
    258#define MVPP2_ISR_TX_THRESHOLD_REG(port)	(0x5140 + 4 * (port))
    259#define     MVPP2_MAX_ISR_TX_THRESHOLD		0xfffff0
    260
    261#define MVPP2_ISR_RX_THRESHOLD_REG(rxq)		(0x5200 + 4 * (rxq))
    262#define     MVPP2_MAX_ISR_RX_THRESHOLD		0xfffff0
    263#define MVPP21_ISR_RXQ_GROUP_REG(port)		(0x5400 + 4 * (port))
    264
    265#define MVPP22_ISR_RXQ_GROUP_INDEX_REG		0x5400
    266#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
    267#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
    268#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET	7
    269
    270#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
    271#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK	0x380
    272
    273#define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG	0x5404
    274#define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK	0x1f
    275#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK	0xf00
    276#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET	8
    277
    278#define MVPP2_ISR_ENABLE_REG(port)		(0x5420 + 4 * (port))
    279#define     MVPP2_ISR_ENABLE_INTERRUPT(mask)	((mask) & 0xffff)
    280#define     MVPP2_ISR_DISABLE_INTERRUPT(mask)	(((mask) << 16) & 0xffff0000)
    281#define MVPP2_ISR_RX_TX_CAUSE_REG(port)		(0x5480 + 4 * (port))
    282#define     MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(version) \
    283					((version) == MVPP21 ? 0xffff : 0xff)
    284#define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK	0xff0000
    285#define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET	16
    286#define     MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK	BIT(24)
    287#define     MVPP2_CAUSE_FCS_ERR_MASK		BIT(25)
    288#define     MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK	BIT(26)
    289#define     MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK	BIT(29)
    290#define     MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK	BIT(30)
    291#define     MVPP2_CAUSE_MISC_SUM_MASK		BIT(31)
    292#define MVPP2_ISR_RX_TX_MASK_REG(port)		(0x54a0 + 4 * (port))
    293#define MVPP2_ISR_PON_RX_TX_MASK_REG		0x54bc
    294#define     MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK	0xffff
    295#define     MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK	0x3fc00000
    296#define     MVPP2_PON_CAUSE_MISC_SUM_MASK		BIT(31)
    297#define MVPP2_ISR_MISC_CAUSE_REG		0x55b0
    298#define MVPP2_ISR_RX_ERR_CAUSE_REG(port)	(0x5520 + 4 * (port))
    299#define     MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK	0x00ff
    300
    301/* Buffer Manager registers */
    302#define MVPP2_BM_POOL_BASE_REG(pool)		(0x6000 + ((pool) * 4))
    303#define     MVPP2_BM_POOL_BASE_ADDR_MASK	0xfffff80
    304#define MVPP2_BM_POOL_SIZE_REG(pool)		(0x6040 + ((pool) * 4))
    305#define     MVPP2_BM_POOL_SIZE_MASK		0xfff0
    306#define MVPP2_BM_POOL_READ_PTR_REG(pool)	(0x6080 + ((pool) * 4))
    307#define     MVPP2_BM_POOL_GET_READ_PTR_MASK	0xfff0
    308#define MVPP2_BM_POOL_PTRS_NUM_REG(pool)	(0x60c0 + ((pool) * 4))
    309#define     MVPP2_BM_POOL_PTRS_NUM_MASK		0xfff0
    310#define MVPP2_BM_BPPI_READ_PTR_REG(pool)	(0x6100 + ((pool) * 4))
    311#define MVPP2_BM_BPPI_PTRS_NUM_REG(pool)	(0x6140 + ((pool) * 4))
    312#define     MVPP2_BM_BPPI_PTR_NUM_MASK		0x7ff
    313#define MVPP22_BM_POOL_PTRS_NUM_MASK		0xfff8
    314#define     MVPP2_BM_BPPI_PREFETCH_FULL_MASK	BIT(16)
    315#define MVPP2_BM_POOL_CTRL_REG(pool)		(0x6200 + ((pool) * 4))
    316#define     MVPP2_BM_START_MASK			BIT(0)
    317#define     MVPP2_BM_STOP_MASK			BIT(1)
    318#define     MVPP2_BM_STATE_MASK			BIT(4)
    319#define     MVPP2_BM_LOW_THRESH_OFFS		8
    320#define     MVPP2_BM_LOW_THRESH_MASK		0x7f00
    321#define     MVPP2_BM_LOW_THRESH_VALUE(val)	((val) << \
    322						MVPP2_BM_LOW_THRESH_OFFS)
    323#define     MVPP2_BM_HIGH_THRESH_OFFS		16
    324#define     MVPP2_BM_HIGH_THRESH_MASK		0x7f0000
    325#define     MVPP2_BM_HIGH_THRESH_VALUE(val)	((val) << \
    326						MVPP2_BM_HIGH_THRESH_OFFS)
    327#define     MVPP2_BM_BPPI_HIGH_THRESH		0x1E
    328#define     MVPP2_BM_BPPI_LOW_THRESH		0x1C
    329#define     MVPP23_BM_BPPI_HIGH_THRESH		0x34
    330#define     MVPP23_BM_BPPI_LOW_THRESH		0x28
    331#define MVPP2_BM_INTR_CAUSE_REG(pool)		(0x6240 + ((pool) * 4))
    332#define     MVPP2_BM_RELEASED_DELAY_MASK	BIT(0)
    333#define     MVPP2_BM_ALLOC_FAILED_MASK		BIT(1)
    334#define     MVPP2_BM_BPPE_EMPTY_MASK		BIT(2)
    335#define     MVPP2_BM_BPPE_FULL_MASK		BIT(3)
    336#define     MVPP2_BM_AVAILABLE_BP_LOW_MASK	BIT(4)
    337#define MVPP2_BM_INTR_MASK_REG(pool)		(0x6280 + ((pool) * 4))
    338#define MVPP2_BM_PHY_ALLOC_REG(pool)		(0x6400 + ((pool) * 4))
    339#define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK	BIT(0)
    340#define MVPP2_BM_VIRT_ALLOC_REG			0x6440
    341#define MVPP22_BM_ADDR_HIGH_ALLOC		0x6444
    342#define     MVPP22_BM_ADDR_HIGH_PHYS_MASK	0xff
    343#define     MVPP22_BM_ADDR_HIGH_VIRT_MASK	0xff00
    344#define     MVPP22_BM_ADDR_HIGH_VIRT_SHIFT	8
    345#define MVPP2_BM_PHY_RLS_REG(pool)		(0x6480 + ((pool) * 4))
    346#define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK	BIT(0)
    347#define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK	BIT(1)
    348#define     MVPP2_BM_PHY_RLS_GRNTD_MASK		BIT(2)
    349#define MVPP2_BM_VIRT_RLS_REG			0x64c0
    350#define MVPP22_BM_ADDR_HIGH_RLS_REG		0x64c4
    351#define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK	0xff
    352#define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK	0xff00
    353#define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT	8
    354
    355/* Packet Processor per-port counters */
    356#define MVPP2_OVERRUN_ETH_DROP			0x7000
    357#define MVPP2_CLS_ETH_DROP			0x7020
    358
    359#define MVPP22_BM_POOL_BASE_ADDR_HIGH_REG	0x6310
    360#define     MVPP22_BM_POOL_BASE_ADDR_HIGH_MASK	0xff
    361#define     MVPP23_BM_8POOL_MODE		BIT(8)
    362
    363/* Hit counters registers */
    364#define MVPP2_CTRS_IDX				0x7040
    365#define     MVPP22_CTRS_TX_CTR(port, txq)	((txq) | ((port) << 3) | BIT(7))
    366#define MVPP2_TX_DESC_ENQ_CTR			0x7100
    367#define MVPP2_TX_DESC_ENQ_TO_DDR_CTR		0x7104
    368#define MVPP2_TX_BUFF_ENQ_TO_DDR_CTR		0x7108
    369#define MVPP2_TX_DESC_ENQ_HW_FWD_CTR		0x710c
    370#define MVPP2_RX_DESC_ENQ_CTR			0x7120
    371#define MVPP2_TX_PKTS_DEQ_CTR			0x7130
    372#define MVPP2_TX_PKTS_FULL_QUEUE_DROP_CTR	0x7200
    373#define MVPP2_TX_PKTS_EARLY_DROP_CTR		0x7204
    374#define MVPP2_TX_PKTS_BM_DROP_CTR		0x7208
    375#define MVPP2_TX_PKTS_BM_MC_DROP_CTR		0x720c
    376#define MVPP2_RX_PKTS_FULL_QUEUE_DROP_CTR	0x7220
    377#define MVPP2_RX_PKTS_EARLY_DROP_CTR		0x7224
    378#define MVPP2_RX_PKTS_BM_DROP_CTR		0x7228
    379#define MVPP2_CLS_DEC_TBL_HIT_CTR		0x7700
    380#define MVPP2_CLS_FLOW_TBL_HIT_CTR		0x7704
    381
    382/* TX Scheduler registers */
    383#define MVPP2_TXP_SCHED_PORT_INDEX_REG		0x8000
    384#define MVPP2_TXP_SCHED_Q_CMD_REG		0x8004
    385#define     MVPP2_TXP_SCHED_ENQ_MASK		0xff
    386#define     MVPP2_TXP_SCHED_DISQ_OFFSET		8
    387#define MVPP2_TXP_SCHED_CMD_1_REG		0x8010
    388#define MVPP2_TXP_SCHED_FIXED_PRIO_REG		0x8014
    389#define MVPP2_TXP_SCHED_PERIOD_REG		0x8018
    390#define MVPP2_TXP_SCHED_MTU_REG			0x801c
    391#define     MVPP2_TXP_MTU_MAX			0x7FFFF
    392#define MVPP2_TXP_SCHED_REFILL_REG		0x8020
    393#define     MVPP2_TXP_REFILL_TOKENS_ALL_MASK	0x7ffff
    394#define     MVPP2_TXP_REFILL_PERIOD_ALL_MASK	0x3ff00000
    395#define     MVPP2_TXP_REFILL_PERIOD_MASK(v)	((v) << 20)
    396#define MVPP2_TXP_SCHED_TOKEN_SIZE_REG		0x8024
    397#define     MVPP2_TXP_TOKEN_SIZE_MAX		0xffffffff
    398#define MVPP2_TXQ_SCHED_REFILL_REG(q)		(0x8040 + ((q) << 2))
    399#define     MVPP2_TXQ_REFILL_TOKENS_ALL_MASK	0x7ffff
    400#define     MVPP2_TXQ_REFILL_PERIOD_ALL_MASK	0x3ff00000
    401#define     MVPP2_TXQ_REFILL_PERIOD_MASK(v)	((v) << 20)
    402#define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q)	(0x8060 + ((q) << 2))
    403#define     MVPP2_TXQ_TOKEN_SIZE_MAX		0x7fffffff
    404#define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q)	(0x8080 + ((q) << 2))
    405#define     MVPP2_TXQ_TOKEN_CNTR_MAX		0xffffffff
    406
    407/* TX general registers */
    408#define MVPP2_TX_SNOOP_REG			0x8800
    409#define MVPP2_TX_PORT_FLUSH_REG			0x8810
    410#define     MVPP2_TX_PORT_FLUSH_MASK(port)	(1 << (port))
    411
    412/* LMS registers */
    413#define MVPP2_SRC_ADDR_MIDDLE			0x24
    414#define MVPP2_SRC_ADDR_HIGH			0x28
    415#define MVPP2_PHY_AN_CFG0_REG			0x34
    416#define     MVPP2_PHY_AN_STOP_SMI0_MASK		BIT(7)
    417#define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG	0x305c
    418#define     MVPP2_EXT_GLOBAL_CTRL_DEFAULT	0x27
    419
    420/* Per-port registers */
    421#define MVPP2_GMAC_CTRL_0_REG			0x0
    422#define     MVPP2_GMAC_PORT_EN_MASK		BIT(0)
    423#define     MVPP2_GMAC_PORT_TYPE_MASK		BIT(1)
    424#define     MVPP2_GMAC_MAX_RX_SIZE_OFFS		2
    425#define     MVPP2_GMAC_MAX_RX_SIZE_MASK		0x7ffc
    426#define     MVPP2_GMAC_MIB_CNTR_EN_MASK		BIT(15)
    427#define MVPP2_GMAC_CTRL_1_REG			0x4
    428#define     MVPP2_GMAC_PERIODIC_XON_EN_MASK	BIT(1)
    429#define     MVPP2_GMAC_GMII_LB_EN_MASK		BIT(5)
    430#define     MVPP2_GMAC_PCS_LB_EN_BIT		6
    431#define     MVPP2_GMAC_PCS_LB_EN_MASK		BIT(6)
    432#define     MVPP2_GMAC_SA_LOW_OFFS		7
    433#define MVPP2_GMAC_CTRL_2_REG			0x8
    434#define     MVPP2_GMAC_INBAND_AN_MASK		BIT(0)
    435#define     MVPP2_GMAC_FLOW_CTRL_MASK		GENMASK(2, 1)
    436#define     MVPP2_GMAC_PCS_ENABLE_MASK		BIT(3)
    437#define     MVPP2_GMAC_INTERNAL_CLK_MASK	BIT(4)
    438#define     MVPP2_GMAC_DISABLE_PADDING		BIT(5)
    439#define     MVPP2_GMAC_PORT_RESET_MASK		BIT(6)
    440#define MVPP2_GMAC_AUTONEG_CONFIG		0xc
    441#define     MVPP2_GMAC_FORCE_LINK_DOWN		BIT(0)
    442#define     MVPP2_GMAC_FORCE_LINK_PASS		BIT(1)
    443#define     MVPP2_GMAC_IN_BAND_AUTONEG		BIT(2)
    444#define     MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS	BIT(3)
    445#define     MVPP2_GMAC_IN_BAND_RESTART_AN	BIT(4)
    446#define     MVPP2_GMAC_CONFIG_MII_SPEED		BIT(5)
    447#define     MVPP2_GMAC_CONFIG_GMII_SPEED	BIT(6)
    448#define     MVPP2_GMAC_AN_SPEED_EN		BIT(7)
    449#define     MVPP2_GMAC_FC_ADV_EN		BIT(9)
    450#define     MVPP2_GMAC_FC_ADV_ASM_EN		BIT(10)
    451#define     MVPP2_GMAC_FLOW_CTRL_AUTONEG	BIT(11)
    452#define     MVPP2_GMAC_CONFIG_FULL_DUPLEX	BIT(12)
    453#define     MVPP2_GMAC_AN_DUPLEX_EN		BIT(13)
    454#define MVPP2_GMAC_STATUS0			0x10
    455#define     MVPP2_GMAC_STATUS0_LINK_UP		BIT(0)
    456#define     MVPP2_GMAC_STATUS0_GMII_SPEED	BIT(1)
    457#define     MVPP2_GMAC_STATUS0_MII_SPEED	BIT(2)
    458#define     MVPP2_GMAC_STATUS0_FULL_DUPLEX	BIT(3)
    459#define     MVPP2_GMAC_STATUS0_RX_PAUSE		BIT(4)
    460#define     MVPP2_GMAC_STATUS0_TX_PAUSE		BIT(5)
    461#define     MVPP2_GMAC_STATUS0_AN_COMPLETE	BIT(11)
    462#define MVPP2_GMAC_PORT_FIFO_CFG_1_REG		0x1c
    463#define     MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS	6
    464#define     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK	0x1fc0
    465#define     MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v)	(((v) << 6) & \
    466					MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
    467#define MVPP22_GMAC_INT_STAT			0x20
    468#define     MVPP22_GMAC_INT_STAT_LINK		BIT(1)
    469#define MVPP22_GMAC_INT_MASK			0x24
    470#define     MVPP22_GMAC_INT_MASK_LINK_STAT	BIT(1)
    471#define MVPP22_GMAC_CTRL_4_REG			0x90
    472#define     MVPP22_CTRL4_EXT_PIN_GMII_SEL	BIT(0)
    473#define     MVPP22_CTRL4_RX_FC_EN		BIT(3)
    474#define     MVPP22_CTRL4_TX_FC_EN		BIT(4)
    475#define     MVPP22_CTRL4_DP_CLK_SEL		BIT(5)
    476#define     MVPP22_CTRL4_SYNC_BYPASS_DIS	BIT(6)
    477#define     MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE	BIT(7)
    478#define MVPP22_GMAC_INT_SUM_STAT		0xa0
    479#define	    MVPP22_GMAC_INT_SUM_STAT_INTERNAL	BIT(1)
    480#define	    MVPP22_GMAC_INT_SUM_STAT_PTP	BIT(2)
    481#define MVPP22_GMAC_INT_SUM_MASK		0xa4
    482#define     MVPP22_GMAC_INT_SUM_MASK_LINK_STAT	BIT(1)
    483#define	    MVPP22_GMAC_INT_SUM_MASK_PTP	BIT(2)
    484
    485/* Per-port XGMAC registers. PPv2.2 and PPv2.3, only for GOP port 0,
    486 * relative to port->base.
    487 */
    488#define MVPP22_XLG_CTRL0_REG			0x100
    489#define     MVPP22_XLG_CTRL0_PORT_EN		BIT(0)
    490#define     MVPP22_XLG_CTRL0_MAC_RESET_DIS	BIT(1)
    491#define     MVPP22_XLG_CTRL0_FORCE_LINK_DOWN	BIT(2)
    492#define     MVPP22_XLG_CTRL0_FORCE_LINK_PASS	BIT(3)
    493#define     MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN	BIT(7)
    494#define     MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN	BIT(8)
    495#define     MVPP22_XLG_CTRL0_MIB_CNT_DIS	BIT(14)
    496#define MVPP22_XLG_CTRL1_REG			0x104
    497#define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS	0
    498#define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK	0x1fff
    499#define MVPP22_XLG_STATUS			0x10c
    500#define     MVPP22_XLG_STATUS_LINK_UP		BIT(0)
    501#define MVPP22_XLG_INT_STAT			0x114
    502#define     MVPP22_XLG_INT_STAT_LINK		BIT(1)
    503#define MVPP22_XLG_INT_MASK			0x118
    504#define     MVPP22_XLG_INT_MASK_LINK		BIT(1)
    505#define MVPP22_XLG_CTRL3_REG			0x11c
    506#define     MVPP22_XLG_CTRL3_MACMODESELECT_MASK	(7 << 13)
    507#define     MVPP22_XLG_CTRL3_MACMODESELECT_GMAC	(0 << 13)
    508#define     MVPP22_XLG_CTRL3_MACMODESELECT_10G	(1 << 13)
    509#define MVPP22_XLG_EXT_INT_STAT			0x158
    510#define     MVPP22_XLG_EXT_INT_STAT_XLG		BIT(1)
    511#define     MVPP22_XLG_EXT_INT_STAT_PTP		BIT(7)
    512#define MVPP22_XLG_EXT_INT_MASK			0x15c
    513#define     MVPP22_XLG_EXT_INT_MASK_XLG		BIT(1)
    514#define     MVPP22_XLG_EXT_INT_MASK_GIG		BIT(2)
    515#define     MVPP22_XLG_EXT_INT_MASK_PTP		BIT(7)
    516#define MVPP22_XLG_CTRL4_REG			0x184
    517#define     MVPP22_XLG_CTRL4_FWD_FC		BIT(5)
    518#define     MVPP22_XLG_CTRL4_FWD_PFC		BIT(6)
    519#define     MVPP22_XLG_CTRL4_MACMODSELECT_GMAC	BIT(12)
    520#define     MVPP22_XLG_CTRL4_EN_IDLE_CHECK	BIT(14)
    521
    522/* SMI registers. PPv2.2 and PPv2.3, relative to priv->iface_base. */
    523#define MVPP22_SMI_MISC_CFG_REG			0x1204
    524#define     MVPP22_SMI_POLLING_EN		BIT(10)
    525
    526/* TAI registers, PPv2.2 only, relative to priv->iface_base */
    527#define MVPP22_TAI_INT_CAUSE			0x1400
    528#define MVPP22_TAI_INT_MASK			0x1404
    529#define MVPP22_TAI_CR0				0x1408
    530#define MVPP22_TAI_CR1				0x140c
    531#define MVPP22_TAI_TCFCR0			0x1410
    532#define MVPP22_TAI_TCFCR1			0x1414
    533#define MVPP22_TAI_TCFCR2			0x1418
    534#define MVPP22_TAI_FATWR			0x141c
    535#define MVPP22_TAI_TOD_STEP_NANO_CR		0x1420
    536#define MVPP22_TAI_TOD_STEP_FRAC_HIGH		0x1424
    537#define MVPP22_TAI_TOD_STEP_FRAC_LOW		0x1428
    538#define MVPP22_TAI_TAPDC_HIGH			0x142c
    539#define MVPP22_TAI_TAPDC_LOW			0x1430
    540#define MVPP22_TAI_TGTOD_SEC_HIGH		0x1434
    541#define MVPP22_TAI_TGTOD_SEC_MED		0x1438
    542#define MVPP22_TAI_TGTOD_SEC_LOW		0x143c
    543#define MVPP22_TAI_TGTOD_NANO_HIGH		0x1440
    544#define MVPP22_TAI_TGTOD_NANO_LOW		0x1444
    545#define MVPP22_TAI_TGTOD_FRAC_HIGH		0x1448
    546#define MVPP22_TAI_TGTOD_FRAC_LOW		0x144c
    547#define MVPP22_TAI_TLV_SEC_HIGH			0x1450
    548#define MVPP22_TAI_TLV_SEC_MED			0x1454
    549#define MVPP22_TAI_TLV_SEC_LOW			0x1458
    550#define MVPP22_TAI_TLV_NANO_HIGH		0x145c
    551#define MVPP22_TAI_TLV_NANO_LOW			0x1460
    552#define MVPP22_TAI_TLV_FRAC_HIGH		0x1464
    553#define MVPP22_TAI_TLV_FRAC_LOW			0x1468
    554#define MVPP22_TAI_TCV0_SEC_HIGH		0x146c
    555#define MVPP22_TAI_TCV0_SEC_MED			0x1470
    556#define MVPP22_TAI_TCV0_SEC_LOW			0x1474
    557#define MVPP22_TAI_TCV0_NANO_HIGH		0x1478
    558#define MVPP22_TAI_TCV0_NANO_LOW		0x147c
    559#define MVPP22_TAI_TCV0_FRAC_HIGH		0x1480
    560#define MVPP22_TAI_TCV0_FRAC_LOW		0x1484
    561#define MVPP22_TAI_TCV1_SEC_HIGH		0x1488
    562#define MVPP22_TAI_TCV1_SEC_MED			0x148c
    563#define MVPP22_TAI_TCV1_SEC_LOW			0x1490
    564#define MVPP22_TAI_TCV1_NANO_HIGH		0x1494
    565#define MVPP22_TAI_TCV1_NANO_LOW		0x1498
    566#define MVPP22_TAI_TCV1_FRAC_HIGH		0x149c
    567#define MVPP22_TAI_TCV1_FRAC_LOW		0x14a0
    568#define MVPP22_TAI_TCSR				0x14a4
    569#define MVPP22_TAI_TUC_LSB			0x14a8
    570#define MVPP22_TAI_GFM_SEC_HIGH			0x14ac
    571#define MVPP22_TAI_GFM_SEC_MED			0x14b0
    572#define MVPP22_TAI_GFM_SEC_LOW			0x14b4
    573#define MVPP22_TAI_GFM_NANO_HIGH		0x14b8
    574#define MVPP22_TAI_GFM_NANO_LOW			0x14bc
    575#define MVPP22_TAI_GFM_FRAC_HIGH		0x14c0
    576#define MVPP22_TAI_GFM_FRAC_LOW			0x14c4
    577#define MVPP22_TAI_PCLK_DA_HIGH			0x14c8
    578#define MVPP22_TAI_PCLK_DA_LOW			0x14cc
    579#define MVPP22_TAI_CTCR				0x14d0
    580#define MVPP22_TAI_PCLK_CCC_HIGH		0x14d4
    581#define MVPP22_TAI_PCLK_CCC_LOW			0x14d8
    582#define MVPP22_TAI_DTC_HIGH			0x14dc
    583#define MVPP22_TAI_DTC_LOW			0x14e0
    584#define MVPP22_TAI_CCC_HIGH			0x14e4
    585#define MVPP22_TAI_CCC_LOW			0x14e8
    586#define MVPP22_TAI_ICICE			0x14f4
    587#define MVPP22_TAI_ICICC_LOW			0x14f8
    588#define MVPP22_TAI_TUC_MSB			0x14fc
    589
    590#define MVPP22_GMAC_BASE(port)		(0x7000 + (port) * 0x1000 + 0xe00)
    591
    592#define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK	0xff
    593
    594/* Descriptor ring Macros */
    595#define MVPP2_QUEUE_NEXT_DESC(q, index) \
    596	(((index) < (q)->last_desc) ? ((index) + 1) : 0)
    597
    598/* XPCS registers.PPv2.2 and PPv2.3 */
    599#define MVPP22_MPCS_BASE(port)			(0x7000 + (port) * 0x1000)
    600#define MVPP22_MPCS_CTRL			0x14
    601#define     MVPP22_MPCS_CTRL_FWD_ERR_CONN	BIT(10)
    602#define MVPP22_MPCS_CLK_RESET			0x14c
    603#define     MAC_CLK_RESET_SD_TX			BIT(0)
    604#define     MAC_CLK_RESET_SD_RX			BIT(1)
    605#define     MAC_CLK_RESET_MAC			BIT(2)
    606#define     MVPP22_MPCS_CLK_RESET_DIV_RATIO(n)	((n) << 4)
    607#define     MVPP22_MPCS_CLK_RESET_DIV_SET	BIT(11)
    608
    609/* FCA registers. PPv2.2 and PPv2.3 */
    610#define MVPP22_FCA_BASE(port)			(0x7600 + (port) * 0x1000)
    611#define MVPP22_FCA_REG_SIZE			16
    612#define MVPP22_FCA_REG_MASK			0xFFFF
    613#define MVPP22_FCA_CONTROL_REG			0x0
    614#define MVPP22_FCA_ENABLE_PERIODIC		BIT(11)
    615#define MVPP22_PERIODIC_COUNTER_LSB_REG		(0x110)
    616#define MVPP22_PERIODIC_COUNTER_MSB_REG		(0x114)
    617
    618/* XPCS registers. PPv2.2 and PPv2.3 */
    619#define MVPP22_XPCS_BASE(port)			(0x7400 + (port) * 0x1000)
    620#define MVPP22_XPCS_CFG0			0x0
    621#define     MVPP22_XPCS_CFG0_RESET_DIS		BIT(0)
    622#define     MVPP22_XPCS_CFG0_PCS_MODE(n)	((n) << 3)
    623#define     MVPP22_XPCS_CFG0_ACTIVE_LANE(n)	((n) << 5)
    624
    625/* PTP registers. PPv2.2 only */
    626#define MVPP22_PTP_BASE(port)			(0x7800 + (port * 0x1000))
    627#define MVPP22_PTP_INT_CAUSE			0x00
    628#define     MVPP22_PTP_INT_CAUSE_QUEUE1		BIT(6)
    629#define     MVPP22_PTP_INT_CAUSE_QUEUE0		BIT(5)
    630#define MVPP22_PTP_INT_MASK			0x04
    631#define     MVPP22_PTP_INT_MASK_QUEUE1		BIT(6)
    632#define     MVPP22_PTP_INT_MASK_QUEUE0		BIT(5)
    633#define MVPP22_PTP_GCR				0x08
    634#define     MVPP22_PTP_GCR_RX_RESET		BIT(13)
    635#define     MVPP22_PTP_GCR_TX_RESET		BIT(1)
    636#define     MVPP22_PTP_GCR_TSU_ENABLE		BIT(0)
    637#define MVPP22_PTP_TX_Q0_R0			0x0c
    638#define MVPP22_PTP_TX_Q0_R1			0x10
    639#define MVPP22_PTP_TX_Q0_R2			0x14
    640#define MVPP22_PTP_TX_Q1_R0			0x18
    641#define MVPP22_PTP_TX_Q1_R1			0x1c
    642#define MVPP22_PTP_TX_Q1_R2			0x20
    643#define MVPP22_PTP_TPCR				0x24
    644#define MVPP22_PTP_V1PCR			0x28
    645#define MVPP22_PTP_V2PCR			0x2c
    646#define MVPP22_PTP_Y1731PCR			0x30
    647#define MVPP22_PTP_NTPTSPCR			0x34
    648#define MVPP22_PTP_NTPRXPCR			0x38
    649#define MVPP22_PTP_NTPTXPCR			0x3c
    650#define MVPP22_PTP_WAMPPCR			0x40
    651#define MVPP22_PTP_NAPCR			0x44
    652#define MVPP22_PTP_FAPCR			0x48
    653#define MVPP22_PTP_CAPCR			0x50
    654#define MVPP22_PTP_ATAPCR			0x54
    655#define MVPP22_PTP_ACTAPCR			0x58
    656#define MVPP22_PTP_CATAPCR			0x5c
    657#define MVPP22_PTP_CACTAPCR			0x60
    658#define MVPP22_PTP_AITAPCR			0x64
    659#define MVPP22_PTP_CAITAPCR			0x68
    660#define MVPP22_PTP_CITAPCR			0x6c
    661#define MVPP22_PTP_NTP_OFF_HIGH			0x70
    662#define MVPP22_PTP_NTP_OFF_LOW			0x74
    663#define MVPP22_PTP_TX_PIPE_STATUS_DELAY		0x78
    664
    665/* System controller registers. Accessed through a regmap. */
    666#define GENCONF_SOFT_RESET1				0x1108
    667#define     GENCONF_SOFT_RESET1_GOP			BIT(6)
    668#define GENCONF_PORT_CTRL0				0x1110
    669#define     GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT		BIT(1)
    670#define     GENCONF_PORT_CTRL0_RX_DATA_SAMPLE		BIT(29)
    671#define     GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR	BIT(31)
    672#define GENCONF_PORT_CTRL1				0x1114
    673#define     GENCONF_PORT_CTRL1_EN(p)			BIT(p)
    674#define     GENCONF_PORT_CTRL1_RESET(p)			(BIT(p) << 28)
    675#define GENCONF_CTRL0					0x1120
    676#define     GENCONF_CTRL0_PORT2_RGMII			BIT(0)
    677#define     GENCONF_CTRL0_PORT3_RGMII_MII		BIT(1)
    678#define     GENCONF_CTRL0_PORT3_RGMII			BIT(2)
    679
    680/* Various constants */
    681
    682/* Coalescing */
    683#define MVPP2_TXDONE_COAL_PKTS_THRESH	64
    684#define MVPP2_TXDONE_HRTIMER_PERIOD_NS	1000000UL
    685#define MVPP2_TXDONE_COAL_USEC		1000
    686#define MVPP2_RX_COAL_PKTS		32
    687#define MVPP2_RX_COAL_USEC		64
    688
    689/* The two bytes Marvell header. Either contains a special value used
    690 * by Marvell switches when a specific hardware mode is enabled (not
    691 * supported by this driver) or is filled automatically by zeroes on
    692 * the RX side. Those two bytes being at the front of the Ethernet
    693 * header, they allow to have the IP header aligned on a 4 bytes
    694 * boundary automatically: the hardware skips those two bytes on its
    695 * own.
    696 */
    697#define MVPP2_MH_SIZE			2
    698#define MVPP2_ETH_TYPE_LEN		2
    699#define MVPP2_PPPOE_HDR_SIZE		8
    700#define MVPP2_VLAN_TAG_LEN		4
    701#define MVPP2_VLAN_TAG_EDSA_LEN		8
    702
    703/* Lbtd 802.3 type */
    704#define MVPP2_IP_LBDT_TYPE		0xfffa
    705
    706#define MVPP2_TX_CSUM_MAX_SIZE		9800
    707
    708/* Timeout constants */
    709#define MVPP2_TX_DISABLE_TIMEOUT_MSEC	1000
    710#define MVPP2_TX_PENDING_TIMEOUT_MSEC	1000
    711
    712#define MVPP2_TX_MTU_MAX		0x7ffff
    713
    714/* Maximum number of T-CONTs of PON port */
    715#define MVPP2_MAX_TCONT			16
    716
    717/* Maximum number of supported ports */
    718#define MVPP2_MAX_PORTS			4
    719
    720/* Loopback port index */
    721#define MVPP2_LOOPBACK_PORT_INDEX	3
    722
    723/* Maximum number of TXQs used by single port */
    724#define MVPP2_MAX_TXQ			8
    725
    726/* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
    727 * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
    728 * multiply this value by two to count the maximum number of skb descs needed.
    729 */
    730#define MVPP2_MAX_TSO_SEGS		300
    731#define MVPP2_MAX_SKB_DESCS		(MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)
    732
    733/* Max number of RXQs per port */
    734#define MVPP2_PORT_MAX_RXQ		32
    735
    736/* Max number of Rx descriptors */
    737#define MVPP2_MAX_RXD_MAX		2048
    738#define MVPP2_MAX_RXD_DFLT		1024
    739
    740/* Max number of Tx descriptors */
    741#define MVPP2_MAX_TXD_MAX		2048
    742#define MVPP2_MAX_TXD_DFLT		1024
    743
    744/* Amount of Tx descriptors that can be reserved at once by CPU */
    745#define MVPP2_CPU_DESC_CHUNK		64
    746
    747/* Max number of Tx descriptors in each aggregated queue */
    748#define MVPP2_AGGR_TXQ_SIZE		256
    749
    750/* Descriptor aligned size */
    751#define MVPP2_DESC_ALIGNED_SIZE		32
    752
    753/* Descriptor alignment mask */
    754#define MVPP2_TX_DESC_ALIGN		(MVPP2_DESC_ALIGNED_SIZE - 1)
    755
    756/* RX FIFO constants */
    757#define MVPP2_RX_FIFO_PORT_DATA_SIZE_44KB	0xb000
    758#define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB	0x8000
    759#define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB	0x2000
    760#define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB	0x1000
    761#define MVPP2_RX_FIFO_PORT_ATTR_SIZE(data_size)	((data_size) >> 6)
    762#define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB	0x40
    763#define MVPP2_RX_FIFO_PORT_MIN_PKT		0x80
    764
    765/* TX FIFO constants */
    766#define MVPP22_TX_FIFO_DATA_SIZE_18KB		18
    767#define MVPP22_TX_FIFO_DATA_SIZE_10KB		10
    768#define MVPP22_TX_FIFO_DATA_SIZE_1KB		1
    769#define MVPP2_TX_FIFO_THRESHOLD_MIN		256 /* Bytes */
    770#define MVPP2_TX_FIFO_THRESHOLD(kb)	\
    771		((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
    772
    773/* RX FIFO threshold in 1KB granularity */
    774#define MVPP23_PORT0_FIFO_TRSH	(9 * 1024)
    775#define MVPP23_PORT1_FIFO_TRSH	(4 * 1024)
    776#define MVPP23_PORT2_FIFO_TRSH	(2 * 1024)
    777
    778/* RX Flow Control Registers */
    779#define MVPP2_RX_FC_REG(port)		(0x150 + 4 * (port))
    780#define     MVPP2_RX_FC_EN		BIT(24)
    781#define     MVPP2_RX_FC_TRSH_OFFS	16
    782#define     MVPP2_RX_FC_TRSH_MASK	(0xFF << MVPP2_RX_FC_TRSH_OFFS)
    783#define     MVPP2_RX_FC_TRSH_UNIT	256
    784
    785/* MSS Flow control */
    786#define MSS_FC_COM_REG			0
    787#define FLOW_CONTROL_ENABLE_BIT		BIT(0)
    788#define FLOW_CONTROL_UPDATE_COMMAND_BIT	BIT(31)
    789#define FC_QUANTA			0xFFFF
    790#define FC_CLK_DIVIDER			100
    791
    792#define MSS_RXQ_TRESH_BASE		0x200
    793#define MSS_RXQ_TRESH_OFFS		4
    794#define MSS_RXQ_TRESH_REG(q, fq)	(MSS_RXQ_TRESH_BASE + (((q) + (fq)) \
    795					* MSS_RXQ_TRESH_OFFS))
    796
    797#define MSS_BUF_POOL_BASE		0x40
    798#define MSS_BUF_POOL_OFFS		4
    799#define MSS_BUF_POOL_REG(id)		(MSS_BUF_POOL_BASE		\
    800					+ (id) * MSS_BUF_POOL_OFFS)
    801
    802#define MSS_BUF_POOL_STOP_MASK		0xFFF
    803#define MSS_BUF_POOL_START_MASK		(0xFFF << MSS_BUF_POOL_START_OFFS)
    804#define MSS_BUF_POOL_START_OFFS		12
    805#define MSS_BUF_POOL_PORTS_MASK		(0xF << MSS_BUF_POOL_PORTS_OFFS)
    806#define MSS_BUF_POOL_PORTS_OFFS		24
    807#define MSS_BUF_POOL_PORT_OFFS(id)	(0x1 <<				\
    808					((id) + MSS_BUF_POOL_PORTS_OFFS))
    809
    810#define MSS_RXQ_TRESH_START_MASK	0xFFFF
    811#define MSS_RXQ_TRESH_STOP_MASK		(0xFFFF << MSS_RXQ_TRESH_STOP_OFFS)
    812#define MSS_RXQ_TRESH_STOP_OFFS		16
    813
    814#define MSS_RXQ_ASS_BASE	0x80
    815#define MSS_RXQ_ASS_OFFS	4
    816#define MSS_RXQ_ASS_PER_REG	4
    817#define MSS_RXQ_ASS_PER_OFFS	8
    818#define MSS_RXQ_ASS_PORTID_OFFS	0
    819#define MSS_RXQ_ASS_PORTID_MASK	0x3
    820#define MSS_RXQ_ASS_HOSTID_OFFS	2
    821#define MSS_RXQ_ASS_HOSTID_MASK	0x3F
    822
    823#define MSS_RXQ_ASS_Q_BASE(q, fq) ((((q) + (fq)) % MSS_RXQ_ASS_PER_REG)	 \
    824				  * MSS_RXQ_ASS_PER_OFFS)
    825#define MSS_RXQ_ASS_PQ_BASE(q, fq) ((((q) + (fq)) / MSS_RXQ_ASS_PER_REG) \
    826				   * MSS_RXQ_ASS_OFFS)
    827#define MSS_RXQ_ASS_REG(q, fq) (MSS_RXQ_ASS_BASE + MSS_RXQ_ASS_PQ_BASE(q, fq))
    828
    829#define MSS_THRESHOLD_STOP	768
    830#define MSS_THRESHOLD_START	1024
    831#define MSS_FC_MAX_TIMEOUT	5000
    832
    833/* RX buffer constants */
    834#define MVPP2_SKB_SHINFO_SIZE \
    835	SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
    836
    837#define MVPP2_RX_PKT_SIZE(mtu) \
    838	ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
    839	      ETH_HLEN + ETH_FCS_LEN, cache_line_size())
    840
    841#define MVPP2_RX_BUF_SIZE(pkt_size)	((pkt_size) + MVPP2_SKB_HEADROOM)
    842#define MVPP2_RX_TOTAL_SIZE(buf_size)	((buf_size) + MVPP2_SKB_SHINFO_SIZE)
    843#define MVPP2_RX_MAX_PKT_SIZE(total_size) \
    844	((total_size) - MVPP2_SKB_HEADROOM - MVPP2_SKB_SHINFO_SIZE)
    845
    846#define MVPP2_MAX_RX_BUF_SIZE	(PAGE_SIZE - MVPP2_SKB_SHINFO_SIZE - MVPP2_SKB_HEADROOM)
    847
    848#define MVPP2_BIT_TO_BYTE(bit)		((bit) / 8)
    849#define MVPP2_BIT_TO_WORD(bit)		((bit) / 32)
    850#define MVPP2_BIT_IN_WORD(bit)		((bit) % 32)
    851
    852#define MVPP2_N_PRS_FLOWS		52
    853#define MVPP2_N_RFS_ENTRIES_PER_FLOW	4
    854
    855/* There are 7 supported high-level flows */
    856#define MVPP2_N_RFS_RULES		(MVPP2_N_RFS_ENTRIES_PER_FLOW * 7)
    857
    858/* RSS constants */
    859#define MVPP22_N_RSS_TABLES		8
    860#define MVPP22_RSS_TABLE_ENTRIES	32
    861
    862/* IPv6 max L3 address size */
    863#define MVPP2_MAX_L3_ADDR_SIZE		16
    864
    865/* Port flags */
    866#define MVPP2_F_LOOPBACK		BIT(0)
    867#define MVPP2_F_DT_COMPAT		BIT(1)
    868
    869/* Marvell tag types */
    870enum mvpp2_tag_type {
    871	MVPP2_TAG_TYPE_NONE = 0,
    872	MVPP2_TAG_TYPE_MH   = 1,
    873	MVPP2_TAG_TYPE_DSA  = 2,
    874	MVPP2_TAG_TYPE_EDSA = 3,
    875	MVPP2_TAG_TYPE_VLAN = 4,
    876	MVPP2_TAG_TYPE_LAST = 5
    877};
    878
    879/* L2 cast enum */
    880enum mvpp2_prs_l2_cast {
    881	MVPP2_PRS_L2_UNI_CAST,
    882	MVPP2_PRS_L2_MULTI_CAST,
    883};
    884
    885/* L3 cast enum */
    886enum mvpp2_prs_l3_cast {
    887	MVPP2_PRS_L3_UNI_CAST,
    888	MVPP2_PRS_L3_MULTI_CAST,
    889	MVPP2_PRS_L3_BROAD_CAST
    890};
    891
    892/* PTP descriptor constants. The low bits of the descriptor are stored
    893 * separately from the high bits.
    894 */
    895#define MVPP22_PTP_DESC_MASK_LOW	0xfff
    896
    897/* PTPAction */
    898enum mvpp22_ptp_action {
    899	MVPP22_PTP_ACTION_NONE = 0,
    900	MVPP22_PTP_ACTION_FORWARD = 1,
    901	MVPP22_PTP_ACTION_CAPTURE = 3,
    902	/* The following have not been verified */
    903	MVPP22_PTP_ACTION_ADDTIME = 4,
    904	MVPP22_PTP_ACTION_ADDCORRECTEDTIME = 5,
    905	MVPP22_PTP_ACTION_CAPTUREADDTIME = 6,
    906	MVPP22_PTP_ACTION_CAPTUREADDCORRECTEDTIME = 7,
    907	MVPP22_PTP_ACTION_ADDINGRESSTIME = 8,
    908	MVPP22_PTP_ACTION_CAPTUREADDINGRESSTIME = 9,
    909	MVPP22_PTP_ACTION_CAPTUREINGRESSTIME = 10,
    910};
    911
    912/* PTPPacketFormat */
    913enum mvpp22_ptp_packet_format {
    914	MVPP22_PTP_PKT_FMT_PTPV2 = 0,
    915	MVPP22_PTP_PKT_FMT_PTPV1 = 1,
    916	MVPP22_PTP_PKT_FMT_Y1731 = 2,
    917	MVPP22_PTP_PKT_FMT_NTPTS = 3,
    918	MVPP22_PTP_PKT_FMT_NTPRX = 4,
    919	MVPP22_PTP_PKT_FMT_NTPTX = 5,
    920	MVPP22_PTP_PKT_FMT_TWAMP = 6,
    921};
    922
    923#define MVPP22_PTP_ACTION(x)		(((x) & 15) << 0)
    924#define MVPP22_PTP_PACKETFORMAT(x)	(((x) & 7) << 4)
    925#define MVPP22_PTP_MACTIMESTAMPINGEN	BIT(11)
    926#define MVPP22_PTP_TIMESTAMPENTRYID(x)	(((x) & 31) << 12)
    927#define MVPP22_PTP_TIMESTAMPQUEUESELECT	BIT(18)
    928
    929/* BM constants */
    930#define MVPP2_BM_JUMBO_BUF_NUM		2048
    931#define MVPP2_BM_LONG_BUF_NUM		2048
    932#define MVPP2_BM_SHORT_BUF_NUM		2048
    933#define MVPP2_BM_POOL_SIZE_MAX		(16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
    934#define MVPP2_BM_POOL_PTR_ALIGN		128
    935#define MVPP2_BM_MAX_POOLS		8
    936
    937/* BM cookie (32 bits) definition */
    938#define MVPP2_BM_COOKIE_POOL_OFFS	8
    939#define MVPP2_BM_COOKIE_CPU_OFFS	24
    940
    941#define MVPP2_BM_SHORT_FRAME_SIZE	736	/* frame size 128 */
    942#define MVPP2_BM_LONG_FRAME_SIZE	2240	/* frame size 1664 */
    943#define MVPP2_BM_JUMBO_FRAME_SIZE	10432	/* frame size 9856 */
    944/* BM short pool packet size
    945 * These value assure that for SWF the total number
    946 * of bytes allocated for each buffer will be 512
    947 */
    948#define MVPP2_BM_SHORT_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
    949#define MVPP2_BM_LONG_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
    950#define MVPP2_BM_JUMBO_PKT_SIZE	MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)
    951
    952#define MVPP21_ADDR_SPACE_SZ		0
    953#define MVPP22_ADDR_SPACE_SZ		SZ_64K
    954
    955#define MVPP2_MAX_THREADS		9
    956#define MVPP2_MAX_QVECS			MVPP2_MAX_THREADS
    957
    958/* GMAC MIB Counters register definitions */
    959#define MVPP21_MIB_COUNTERS_OFFSET		0x1000
    960#define MVPP21_MIB_COUNTERS_PORT_SZ		0x400
    961#define MVPP22_MIB_COUNTERS_OFFSET		0x0
    962#define MVPP22_MIB_COUNTERS_PORT_SZ		0x100
    963
    964#define MVPP2_MIB_GOOD_OCTETS_RCVD		0x0
    965#define MVPP2_MIB_BAD_OCTETS_RCVD		0x8
    966#define MVPP2_MIB_CRC_ERRORS_SENT		0xc
    967#define MVPP2_MIB_UNICAST_FRAMES_RCVD		0x10
    968#define MVPP2_MIB_BROADCAST_FRAMES_RCVD		0x18
    969#define MVPP2_MIB_MULTICAST_FRAMES_RCVD		0x1c
    970#define MVPP2_MIB_FRAMES_64_OCTETS		0x20
    971#define MVPP2_MIB_FRAMES_65_TO_127_OCTETS	0x24
    972#define MVPP2_MIB_FRAMES_128_TO_255_OCTETS	0x28
    973#define MVPP2_MIB_FRAMES_256_TO_511_OCTETS	0x2c
    974#define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS	0x30
    975#define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS	0x34
    976#define MVPP2_MIB_GOOD_OCTETS_SENT		0x38
    977#define MVPP2_MIB_UNICAST_FRAMES_SENT		0x40
    978#define MVPP2_MIB_MULTICAST_FRAMES_SENT		0x48
    979#define MVPP2_MIB_BROADCAST_FRAMES_SENT		0x4c
    980#define MVPP2_MIB_FC_SENT			0x54
    981#define MVPP2_MIB_FC_RCVD			0x58
    982#define MVPP2_MIB_RX_FIFO_OVERRUN		0x5c
    983#define MVPP2_MIB_UNDERSIZE_RCVD		0x60
    984#define MVPP2_MIB_FRAGMENTS_RCVD		0x64
    985#define MVPP2_MIB_OVERSIZE_RCVD			0x68
    986#define MVPP2_MIB_JABBER_RCVD			0x6c
    987#define MVPP2_MIB_MAC_RCV_ERROR			0x70
    988#define MVPP2_MIB_BAD_CRC_EVENT			0x74
    989#define MVPP2_MIB_COLLISION			0x78
    990#define MVPP2_MIB_LATE_COLLISION		0x7c
    991
    992#define MVPP2_MIB_COUNTERS_STATS_DELAY		(1 * HZ)
    993
    994#define MVPP2_DESC_DMA_MASK	DMA_BIT_MASK(40)
    995
    996/* Buffer header info bits */
    997#define MVPP2_B_HDR_INFO_MC_ID_MASK	0xfff
    998#define MVPP2_B_HDR_INFO_MC_ID(info)	((info) & MVPP2_B_HDR_INFO_MC_ID_MASK)
    999#define MVPP2_B_HDR_INFO_LAST_OFFS	12
   1000#define MVPP2_B_HDR_INFO_LAST_MASK	BIT(12)
   1001#define MVPP2_B_HDR_INFO_IS_LAST(info) \
   1002	   (((info) & MVPP2_B_HDR_INFO_LAST_MASK) >> MVPP2_B_HDR_INFO_LAST_OFFS)
   1003
   1004struct mvpp2_tai;
   1005
   1006/* Definitions */
   1007struct mvpp2_dbgfs_entries;
   1008
   1009struct mvpp2_rss_table {
   1010	u32 indir[MVPP22_RSS_TABLE_ENTRIES];
   1011};
   1012
   1013struct mvpp2_buff_hdr {
   1014	__le32 next_phys_addr;
   1015	__le32 next_dma_addr;
   1016	__le16 byte_count;
   1017	__le16 info;
   1018	__le16 reserved1;	/* bm_qset (for future use, BM) */
   1019	u8 next_phys_addr_high;
   1020	u8 next_dma_addr_high;
   1021	__le16 reserved2;
   1022	__le16 reserved3;
   1023	__le16 reserved4;
   1024	__le16 reserved5;
   1025};
   1026
   1027/* Shared Packet Processor resources */
   1028struct mvpp2 {
   1029	/* Shared registers' base addresses */
   1030	void __iomem *lms_base;
   1031	void __iomem *iface_base;
   1032	void __iomem *cm3_base;
   1033
   1034	/* On PPv2.2 and PPv2.3, each "software thread" can access the base
   1035	 * register through a separate address space, each 64 KB apart
   1036	 * from each other. Typically, such address spaces will be
   1037	 * used per CPU.
   1038	 */
   1039	void __iomem *swth_base[MVPP2_MAX_THREADS];
   1040
   1041	/* On PPv2.2 and PPv2.3, some port control registers are located into
   1042	 * the system controller space. These registers are accessible
   1043	 * through a regmap.
   1044	 */
   1045	struct regmap *sysctrl_base;
   1046
   1047	/* Common clocks */
   1048	struct clk *pp_clk;
   1049	struct clk *gop_clk;
   1050	struct clk *mg_clk;
   1051	struct clk *mg_core_clk;
   1052	struct clk *axi_clk;
   1053
   1054	/* List of pointers to port structures */
   1055	int port_count;
   1056	struct mvpp2_port *port_list[MVPP2_MAX_PORTS];
   1057	/* Map of enabled ports */
   1058	unsigned long port_map;
   1059
   1060	struct mvpp2_tai *tai;
   1061
   1062	/* Number of Tx threads used */
   1063	unsigned int nthreads;
   1064	/* Map of threads needing locking */
   1065	unsigned long lock_map;
   1066
   1067	/* Aggregated TXQs */
   1068	struct mvpp2_tx_queue *aggr_txqs;
   1069
   1070	/* Are we using page_pool with per-cpu pools? */
   1071	int percpu_pools;
   1072
   1073	/* BM pools */
   1074	struct mvpp2_bm_pool *bm_pools;
   1075
   1076	/* PRS shadow table */
   1077	struct mvpp2_prs_shadow *prs_shadow;
   1078	/* PRS auxiliary table for double vlan entries control */
   1079	bool *prs_double_vlans;
   1080
   1081	/* Tclk value */
   1082	u32 tclk;
   1083
   1084	/* HW version */
   1085	enum { MVPP21, MVPP22, MVPP23 } hw_version;
   1086
   1087	/* Maximum number of RXQs per port */
   1088	unsigned int max_port_rxqs;
   1089
   1090	/* Workqueue to gather hardware statistics */
   1091	char queue_name[30];
   1092	struct workqueue_struct *stats_queue;
   1093
   1094	/* Debugfs root entry */
   1095	struct dentry *dbgfs_dir;
   1096
   1097	/* Debugfs entries private data */
   1098	struct mvpp2_dbgfs_entries *dbgfs_entries;
   1099
   1100	/* RSS Indirection tables */
   1101	struct mvpp2_rss_table *rss_tables[MVPP22_N_RSS_TABLES];
   1102
   1103	/* page_pool allocator */
   1104	struct page_pool *page_pool[MVPP2_PORT_MAX_RXQ];
   1105
   1106	/* Global TX Flow Control config */
   1107	bool global_tx_fc;
   1108
   1109	/* Spinlocks for CM3 shared memory configuration */
   1110	spinlock_t mss_spinlock;
   1111};
   1112
   1113struct mvpp2_pcpu_stats {
   1114	struct	u64_stats_sync syncp;
   1115	u64	rx_packets;
   1116	u64	rx_bytes;
   1117	u64	tx_packets;
   1118	u64	tx_bytes;
   1119	/* XDP */
   1120	u64	xdp_redirect;
   1121	u64	xdp_pass;
   1122	u64	xdp_drop;
   1123	u64	xdp_xmit;
   1124	u64	xdp_xmit_err;
   1125	u64	xdp_tx;
   1126	u64	xdp_tx_err;
   1127};
   1128
   1129/* Per-CPU port control */
   1130struct mvpp2_port_pcpu {
   1131	struct hrtimer tx_done_timer;
   1132	struct net_device *dev;
   1133	bool timer_scheduled;
   1134};
   1135
   1136struct mvpp2_queue_vector {
   1137	int irq;
   1138	struct napi_struct napi;
   1139	enum { MVPP2_QUEUE_VECTOR_SHARED, MVPP2_QUEUE_VECTOR_PRIVATE } type;
   1140	int sw_thread_id;
   1141	u16 sw_thread_mask;
   1142	int first_rxq;
   1143	int nrxqs;
   1144	u32 pending_cause_rx;
   1145	struct mvpp2_port *port;
   1146	struct cpumask *mask;
   1147};
   1148
   1149/* Internal represention of a Flow Steering rule */
   1150struct mvpp2_rfs_rule {
   1151	/* Rule location inside the flow*/
   1152	int loc;
   1153
   1154	/* Flow type, such as TCP_V4_FLOW, IP6_FLOW, etc. */
   1155	int flow_type;
   1156
   1157	/* Index of the C2 TCAM entry handling this rule */
   1158	int c2_index;
   1159
   1160	/* Header fields that needs to be extracted to match this flow */
   1161	u16 hek_fields;
   1162
   1163	/* CLS engine : only c2 is supported for now. */
   1164	u8 engine;
   1165
   1166	/* TCAM key and mask for C2-based steering. These fields should be
   1167	 * encapsulated in a union should we add more engines.
   1168	 */
   1169	u64 c2_tcam;
   1170	u64 c2_tcam_mask;
   1171
   1172	struct flow_rule *flow;
   1173};
   1174
   1175struct mvpp2_ethtool_fs {
   1176	struct mvpp2_rfs_rule rule;
   1177	struct ethtool_rxnfc rxnfc;
   1178};
   1179
   1180struct mvpp2_hwtstamp_queue {
   1181	struct sk_buff *skb[32];
   1182	u8 next;
   1183};
   1184
   1185struct mvpp2_port {
   1186	u8 id;
   1187
   1188	/* Index of the port from the "group of ports" complex point
   1189	 * of view. This is specific to PPv2.2.
   1190	 */
   1191	int gop_id;
   1192
   1193	int port_irq;
   1194
   1195	struct mvpp2 *priv;
   1196
   1197	/* Firmware node associated to the port */
   1198	struct fwnode_handle *fwnode;
   1199
   1200	/* Per-port registers' base address */
   1201	void __iomem *base;
   1202	void __iomem *stats_base;
   1203
   1204	struct mvpp2_rx_queue **rxqs;
   1205	unsigned int nrxqs;
   1206	struct mvpp2_tx_queue **txqs;
   1207	unsigned int ntxqs;
   1208	struct net_device *dev;
   1209
   1210	struct bpf_prog *xdp_prog;
   1211
   1212	int pkt_size;
   1213
   1214	/* Per-CPU port control */
   1215	struct mvpp2_port_pcpu __percpu *pcpu;
   1216
   1217	/* Protect the BM refills and the Tx paths when a thread is used on more
   1218	 * than a single CPU.
   1219	 */
   1220	spinlock_t bm_lock[MVPP2_MAX_THREADS];
   1221	spinlock_t tx_lock[MVPP2_MAX_THREADS];
   1222
   1223	/* Flags */
   1224	unsigned long flags;
   1225
   1226	u16 tx_ring_size;
   1227	u16 rx_ring_size;
   1228	struct mvpp2_pcpu_stats __percpu *stats;
   1229	u64 *ethtool_stats;
   1230
   1231	unsigned long state;
   1232
   1233	/* Per-port work and its lock to gather hardware statistics */
   1234	struct mutex gather_stats_lock;
   1235	struct delayed_work stats_work;
   1236
   1237	struct device_node *of_node;
   1238
   1239	phy_interface_t phy_interface;
   1240	struct phylink *phylink;
   1241	struct phylink_config phylink_config;
   1242	struct phylink_pcs pcs_gmac;
   1243	struct phylink_pcs pcs_xlg;
   1244	struct phy *comphy;
   1245
   1246	struct mvpp2_bm_pool *pool_long;
   1247	struct mvpp2_bm_pool *pool_short;
   1248
   1249	/* Index of first port's physical RXQ */
   1250	u8 first_rxq;
   1251
   1252	struct mvpp2_queue_vector qvecs[MVPP2_MAX_QVECS];
   1253	unsigned int nqvecs;
   1254	bool has_tx_irqs;
   1255
   1256	u32 tx_time_coal;
   1257
   1258	/* List of steering rules active on that port */
   1259	struct mvpp2_ethtool_fs *rfs_rules[MVPP2_N_RFS_ENTRIES_PER_FLOW];
   1260	int n_rfs_rules;
   1261
   1262	/* Each port has its own view of the rss contexts, so that it can number
   1263	 * them from 0
   1264	 */
   1265	int rss_ctx[MVPP22_N_RSS_TABLES];
   1266
   1267	bool hwtstamp;
   1268	bool rx_hwtstamp;
   1269	enum hwtstamp_tx_types tx_hwtstamp_type;
   1270	struct mvpp2_hwtstamp_queue tx_hwtstamp_queue[2];
   1271
   1272	/* Firmware TX flow control */
   1273	bool tx_fc;
   1274};
   1275
   1276/* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
   1277 * layout of the transmit and reception DMA descriptors, and their
   1278 * layout is therefore defined by the hardware design
   1279 */
   1280
   1281#define MVPP2_TXD_L3_OFF_SHIFT		0
   1282#define MVPP2_TXD_IP_HLEN_SHIFT		8
   1283#define MVPP2_TXD_L4_CSUM_FRAG		BIT(13)
   1284#define MVPP2_TXD_L4_CSUM_NOT		BIT(14)
   1285#define MVPP2_TXD_IP_CSUM_DISABLE	BIT(15)
   1286#define MVPP2_TXD_PADDING_DISABLE	BIT(23)
   1287#define MVPP2_TXD_L4_UDP		BIT(24)
   1288#define MVPP2_TXD_L3_IP6		BIT(26)
   1289#define MVPP2_TXD_L_DESC		BIT(28)
   1290#define MVPP2_TXD_F_DESC		BIT(29)
   1291
   1292#define MVPP2_RXD_ERR_SUMMARY		BIT(15)
   1293#define MVPP2_RXD_ERR_CODE_MASK		(BIT(13) | BIT(14))
   1294#define MVPP2_RXD_ERR_CRC		0x0
   1295#define MVPP2_RXD_ERR_OVERRUN		BIT(13)
   1296#define MVPP2_RXD_ERR_RESOURCE		(BIT(13) | BIT(14))
   1297#define MVPP2_RXD_BM_POOL_ID_OFFS	16
   1298#define MVPP2_RXD_BM_POOL_ID_MASK	(BIT(16) | BIT(17) | BIT(18))
   1299#define MVPP2_RXD_HWF_SYNC		BIT(21)
   1300#define MVPP2_RXD_L4_CSUM_OK		BIT(22)
   1301#define MVPP2_RXD_IP4_HEADER_ERR	BIT(24)
   1302#define MVPP2_RXD_L4_TCP		BIT(25)
   1303#define MVPP2_RXD_L4_UDP		BIT(26)
   1304#define MVPP2_RXD_L3_IP4		BIT(28)
   1305#define MVPP2_RXD_L3_IP6		BIT(30)
   1306#define MVPP2_RXD_BUF_HDR		BIT(31)
   1307
   1308/* HW TX descriptor for PPv2.1 */
   1309struct mvpp21_tx_desc {
   1310	__le32 command;		/* Options used by HW for packet transmitting.*/
   1311	u8  packet_offset;	/* the offset from the buffer beginning	*/
   1312	u8  phys_txq;		/* destination queue ID			*/
   1313	__le16 data_size;	/* data size of transmitted packet in bytes */
   1314	__le32 buf_dma_addr;	/* physical addr of transmitted buffer	*/
   1315	__le32 buf_cookie;	/* cookie for access to TX buffer in tx path */
   1316	__le32 reserved1[3];	/* hw_cmd (for future use, BM, PON, PNC) */
   1317	__le32 reserved2;	/* reserved (for future use)		*/
   1318};
   1319
   1320/* HW RX descriptor for PPv2.1 */
   1321struct mvpp21_rx_desc {
   1322	__le32 status;		/* info about received packet		*/
   1323	__le16 reserved1;	/* parser_info (for future use, PnC)	*/
   1324	__le16 data_size;	/* size of received packet in bytes	*/
   1325	__le32 buf_dma_addr;	/* physical address of the buffer	*/
   1326	__le32 buf_cookie;	/* cookie for access to RX buffer in rx path */
   1327	__le16 reserved2;	/* gem_port_id (for future use, PON)	*/
   1328	__le16 reserved3;	/* csum_l4 (for future use, PnC)	*/
   1329	u8  reserved4;		/* bm_qset (for future use, BM)		*/
   1330	u8  reserved5;
   1331	__le16 reserved6;	/* classify_info (for future use, PnC)	*/
   1332	__le32 reserved7;	/* flow_id (for future use, PnC) */
   1333	__le32 reserved8;
   1334};
   1335
   1336/* HW TX descriptor for PPv2.2 and PPv2.3 */
   1337struct mvpp22_tx_desc {
   1338	__le32 command;
   1339	u8  packet_offset;
   1340	u8  phys_txq;
   1341	__le16 data_size;
   1342	__le32 ptp_descriptor;
   1343	__le32 reserved2;
   1344	__le64 buf_dma_addr_ptp;
   1345	__le64 buf_cookie_misc;
   1346};
   1347
   1348/* HW RX descriptor for PPv2.2 and PPv2.3 */
   1349struct mvpp22_rx_desc {
   1350	__le32 status;
   1351	__le16 reserved1;
   1352	__le16 data_size;
   1353	__le32 reserved2;
   1354	__le32 timestamp;
   1355	__le64 buf_dma_addr_key_hash;
   1356	__le64 buf_cookie_misc;
   1357};
   1358
   1359/* Opaque type used by the driver to manipulate the HW TX and RX
   1360 * descriptors
   1361 */
   1362struct mvpp2_tx_desc {
   1363	union {
   1364		struct mvpp21_tx_desc pp21;
   1365		struct mvpp22_tx_desc pp22;
   1366	};
   1367};
   1368
   1369struct mvpp2_rx_desc {
   1370	union {
   1371		struct mvpp21_rx_desc pp21;
   1372		struct mvpp22_rx_desc pp22;
   1373	};
   1374};
   1375
   1376enum mvpp2_tx_buf_type {
   1377	MVPP2_TYPE_SKB,
   1378	MVPP2_TYPE_XDP_TX,
   1379	MVPP2_TYPE_XDP_NDO,
   1380};
   1381
   1382struct mvpp2_txq_pcpu_buf {
   1383	enum mvpp2_tx_buf_type type;
   1384
   1385	/* Transmitted SKB */
   1386	union {
   1387		struct xdp_frame *xdpf;
   1388		struct sk_buff *skb;
   1389	};
   1390
   1391	/* Physical address of transmitted buffer */
   1392	dma_addr_t dma;
   1393
   1394	/* Size transmitted */
   1395	size_t size;
   1396};
   1397
   1398/* Per-CPU Tx queue control */
   1399struct mvpp2_txq_pcpu {
   1400	unsigned int thread;
   1401
   1402	/* Number of Tx DMA descriptors in the descriptor ring */
   1403	int size;
   1404
   1405	/* Number of currently used Tx DMA descriptor in the
   1406	 * descriptor ring
   1407	 */
   1408	int count;
   1409
   1410	int wake_threshold;
   1411	int stop_threshold;
   1412
   1413	/* Number of Tx DMA descriptors reserved for each CPU */
   1414	int reserved_num;
   1415
   1416	/* Infos about transmitted buffers */
   1417	struct mvpp2_txq_pcpu_buf *buffs;
   1418
   1419	/* Index of last TX DMA descriptor that was inserted */
   1420	int txq_put_index;
   1421
   1422	/* Index of the TX DMA descriptor to be cleaned up */
   1423	int txq_get_index;
   1424
   1425	/* DMA buffer for TSO headers */
   1426	char *tso_headers;
   1427	dma_addr_t tso_headers_dma;
   1428};
   1429
   1430struct mvpp2_tx_queue {
   1431	/* Physical number of this Tx queue */
   1432	u8 id;
   1433
   1434	/* Logical number of this Tx queue */
   1435	u8 log_id;
   1436
   1437	/* Number of Tx DMA descriptors in the descriptor ring */
   1438	int size;
   1439
   1440	/* Number of currently used Tx DMA descriptor in the descriptor ring */
   1441	int count;
   1442
   1443	/* Per-CPU control of physical Tx queues */
   1444	struct mvpp2_txq_pcpu __percpu *pcpu;
   1445
   1446	u32 done_pkts_coal;
   1447
   1448	/* Virtual address of thex Tx DMA descriptors array */
   1449	struct mvpp2_tx_desc *descs;
   1450
   1451	/* DMA address of the Tx DMA descriptors array */
   1452	dma_addr_t descs_dma;
   1453
   1454	/* Index of the last Tx DMA descriptor */
   1455	int last_desc;
   1456
   1457	/* Index of the next Tx DMA descriptor to process */
   1458	int next_desc_to_proc;
   1459};
   1460
   1461struct mvpp2_rx_queue {
   1462	/* RX queue number, in the range 0-31 for physical RXQs */
   1463	u8 id;
   1464
   1465	/* Num of rx descriptors in the rx descriptor ring */
   1466	int size;
   1467
   1468	u32 pkts_coal;
   1469	u32 time_coal;
   1470
   1471	/* Virtual address of the RX DMA descriptors array */
   1472	struct mvpp2_rx_desc *descs;
   1473
   1474	/* DMA address of the RX DMA descriptors array */
   1475	dma_addr_t descs_dma;
   1476
   1477	/* Index of the last RX DMA descriptor */
   1478	int last_desc;
   1479
   1480	/* Index of the next RX DMA descriptor to process */
   1481	int next_desc_to_proc;
   1482
   1483	/* ID of port to which physical RXQ is mapped */
   1484	int port;
   1485
   1486	/* Port's logic RXQ number to which physical RXQ is mapped */
   1487	int logic_rxq;
   1488
   1489	/* XDP memory accounting */
   1490	struct xdp_rxq_info xdp_rxq_short;
   1491	struct xdp_rxq_info xdp_rxq_long;
   1492};
   1493
   1494struct mvpp2_bm_pool {
   1495	/* Pool number in the range 0-7 */
   1496	int id;
   1497
   1498	/* Buffer Pointers Pool External (BPPE) size */
   1499	int size;
   1500	/* BPPE size in bytes */
   1501	int size_bytes;
   1502	/* Number of buffers for this pool */
   1503	int buf_num;
   1504	/* Pool buffer size */
   1505	int buf_size;
   1506	/* Packet size */
   1507	int pkt_size;
   1508	int frag_size;
   1509
   1510	/* BPPE virtual base address */
   1511	u32 *virt_addr;
   1512	/* BPPE DMA base address */
   1513	dma_addr_t dma_addr;
   1514
   1515	/* Ports using BM pool */
   1516	u32 port_map;
   1517};
   1518
   1519#define IS_TSO_HEADER(txq_pcpu, addr) \
   1520	((addr) >= (txq_pcpu)->tso_headers_dma && \
   1521	 (addr) < (txq_pcpu)->tso_headers_dma + \
   1522	 (txq_pcpu)->size * TSO_HEADER_SIZE)
   1523
   1524#define MVPP2_DRIVER_NAME "mvpp2"
   1525#define MVPP2_DRIVER_VERSION "1.0"
   1526
   1527void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
   1528u32 mvpp2_read(struct mvpp2 *priv, u32 offset);
   1529
   1530void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);
   1531
   1532void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);
   1533
   1534void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en);
   1535
   1536#ifdef CONFIG_MVPP2_PTP
   1537int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv);
   1538void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
   1539		       struct skb_shared_hwtstamps *hwtstamp);
   1540void mvpp22_tai_start(struct mvpp2_tai *tai);
   1541void mvpp22_tai_stop(struct mvpp2_tai *tai);
   1542int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai);
   1543#else
   1544static inline int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv)
   1545{
   1546	return 0;
   1547}
   1548static inline void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
   1549				     struct skb_shared_hwtstamps *hwtstamp)
   1550{
   1551}
   1552static inline void mvpp22_tai_start(struct mvpp2_tai *tai)
   1553{
   1554}
   1555static inline void mvpp22_tai_stop(struct mvpp2_tai *tai)
   1556{
   1557}
   1558static inline int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai)
   1559{
   1560	return -1;
   1561}
   1562#endif
   1563
   1564static inline bool mvpp22_rx_hwtstamping(struct mvpp2_port *port)
   1565{
   1566	return IS_ENABLED(CONFIG_MVPP2_PTP) && port->rx_hwtstamp;
   1567}
   1568
   1569#endif