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0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Definitions for Marvell PPv2 network controller for Armada 375 SoC.
0004  *
0005  * Copyright (C) 2014 Marvell
0006  *
0007  * Marcin Wojtas <mw@semihalf.com>
0008  */
0009 #ifndef _MVPP2_H_
0010 #define _MVPP2_H_
0011 
0012 #include <linux/interrupt.h>
0013 #include <linux/kernel.h>
0014 #include <linux/netdevice.h>
0015 #include <linux/net_tstamp.h>
0016 #include <linux/phy.h>
0017 #include <linux/phylink.h>
0018 #include <net/flow_offload.h>
0019 #include <net/page_pool.h>
0020 #include <linux/bpf.h>
0021 #include <net/xdp.h>
0022 
0023 /* The PacketOffset field is measured in units of 32 bytes and is 3 bits wide,
0024  * so the maximum offset is 7 * 32 = 224
0025  */
0026 #define MVPP2_SKB_HEADROOM  min(max(XDP_PACKET_HEADROOM, NET_SKB_PAD), 224)
0027 
0028 #define MVPP2_XDP_PASS      0
0029 #define MVPP2_XDP_DROPPED   BIT(0)
0030 #define MVPP2_XDP_TX        BIT(1)
0031 #define MVPP2_XDP_REDIR     BIT(2)
0032 
0033 /* Fifo Registers */
0034 #define MVPP2_RX_DATA_FIFO_SIZE_REG(port)   (0x00 + 4 * (port))
0035 #define MVPP2_RX_ATTR_FIFO_SIZE_REG(port)   (0x20 + 4 * (port))
0036 #define MVPP2_RX_MIN_PKT_SIZE_REG       0x60
0037 #define MVPP2_RX_FIFO_INIT_REG          0x64
0038 #define MVPP22_TX_FIFO_THRESH_REG(port)     (0x8840 + 4 * (port))
0039 #define MVPP22_TX_FIFO_SIZE_REG(port)       (0x8860 + 4 * (port))
0040 
0041 /* RX DMA Top Registers */
0042 #define MVPP2_RX_CTRL_REG(port)         (0x140 + 4 * (port))
0043 #define     MVPP2_RX_LOW_LATENCY_PKT_SIZE(s)    (((s) & 0xfff) << 16)
0044 #define     MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK   BIT(31)
0045 #define MVPP2_POOL_BUF_SIZE_REG(pool)       (0x180 + 4 * (pool))
0046 #define     MVPP2_POOL_BUF_SIZE_OFFSET      5
0047 #define MVPP2_RXQ_CONFIG_REG(rxq)       (0x800 + 4 * (rxq))
0048 #define     MVPP2_SNOOP_PKT_SIZE_MASK       0x1ff
0049 #define     MVPP2_SNOOP_BUF_HDR_MASK        BIT(9)
0050 #define     MVPP2_RXQ_POOL_SHORT_OFFS       20
0051 #define     MVPP21_RXQ_POOL_SHORT_MASK      0x700000
0052 #define     MVPP22_RXQ_POOL_SHORT_MASK      0xf00000
0053 #define     MVPP2_RXQ_POOL_LONG_OFFS        24
0054 #define     MVPP21_RXQ_POOL_LONG_MASK       0x7000000
0055 #define     MVPP22_RXQ_POOL_LONG_MASK       0xf000000
0056 #define     MVPP2_RXQ_PACKET_OFFSET_OFFS    28
0057 #define     MVPP2_RXQ_PACKET_OFFSET_MASK    0x70000000
0058 #define     MVPP2_RXQ_DISABLE_MASK      BIT(31)
0059 
0060 /* Top Registers */
0061 #define MVPP2_MH_REG(port)          (0x5040 + 4 * (port))
0062 #define MVPP2_DSA_EXTENDED          BIT(5)
0063 #define MVPP2_VER_ID_REG            0x50b0
0064 #define MVPP2_VER_PP22              0x10
0065 #define MVPP2_VER_PP23              0x11
0066 
0067 /* Parser Registers */
0068 #define MVPP2_PRS_INIT_LOOKUP_REG       0x1000
0069 #define     MVPP2_PRS_PORT_LU_MAX       0xf
0070 #define     MVPP2_PRS_PORT_LU_MASK(port)    (0xff << ((port) * 4))
0071 #define     MVPP2_PRS_PORT_LU_VAL(port, val)    ((val) << ((port) * 4))
0072 #define MVPP2_PRS_INIT_OFFS_REG(port)       (0x1004 + ((port) & 4))
0073 #define     MVPP2_PRS_INIT_OFF_MASK(port)   (0x3f << (((port) % 4) * 8))
0074 #define     MVPP2_PRS_INIT_OFF_VAL(port, val)   ((val) << (((port) % 4) * 8))
0075 #define MVPP2_PRS_MAX_LOOP_REG(port)        (0x100c + ((port) & 4))
0076 #define     MVPP2_PRS_MAX_LOOP_MASK(port)   (0xff << (((port) % 4) * 8))
0077 #define     MVPP2_PRS_MAX_LOOP_VAL(port, val)   ((val) << (((port) % 4) * 8))
0078 #define MVPP2_PRS_TCAM_IDX_REG          0x1100
0079 #define MVPP2_PRS_TCAM_DATA_REG(idx)        (0x1104 + (idx) * 4)
0080 #define     MVPP2_PRS_TCAM_INV_MASK     BIT(31)
0081 #define MVPP2_PRS_SRAM_IDX_REG          0x1200
0082 #define MVPP2_PRS_SRAM_DATA_REG(idx)        (0x1204 + (idx) * 4)
0083 #define MVPP2_PRS_TCAM_CTRL_REG         0x1230
0084 #define     MVPP2_PRS_TCAM_EN_MASK      BIT(0)
0085 #define MVPP2_PRS_TCAM_HIT_IDX_REG      0x1240
0086 #define MVPP2_PRS_TCAM_HIT_CNT_REG      0x1244
0087 #define     MVPP2_PRS_TCAM_HIT_CNT_MASK     GENMASK(15, 0)
0088 
0089 /* RSS Registers */
0090 #define MVPP22_RSS_INDEX            0x1500
0091 #define     MVPP22_RSS_INDEX_TABLE_ENTRY(idx)   (idx)
0092 #define     MVPP22_RSS_INDEX_TABLE(idx)     ((idx) << 8)
0093 #define     MVPP22_RSS_INDEX_QUEUE(idx)     ((idx) << 16)
0094 #define MVPP22_RXQ2RSS_TABLE            0x1504
0095 #define     MVPP22_RSS_TABLE_POINTER(p)     (p)
0096 #define MVPP22_RSS_TABLE_ENTRY          0x1508
0097 #define MVPP22_RSS_WIDTH            0x150c
0098 
0099 /* Classifier Registers */
0100 #define MVPP2_CLS_MODE_REG          0x1800
0101 #define     MVPP2_CLS_MODE_ACTIVE_MASK      BIT(0)
0102 #define MVPP2_CLS_PORT_WAY_REG          0x1810
0103 #define     MVPP2_CLS_PORT_WAY_MASK(port)   (1 << (port))
0104 #define MVPP2_CLS_LKP_INDEX_REG         0x1814
0105 #define     MVPP2_CLS_LKP_INDEX_WAY_OFFS    6
0106 #define MVPP2_CLS_LKP_TBL_REG           0x1818
0107 #define     MVPP2_CLS_LKP_TBL_RXQ_MASK      0xff
0108 #define     MVPP2_CLS_LKP_FLOW_PTR(flow)    ((flow) << 16)
0109 #define     MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK    BIT(25)
0110 #define MVPP2_CLS_FLOW_INDEX_REG        0x1820
0111 #define MVPP2_CLS_FLOW_TBL0_REG         0x1824
0112 #define     MVPP2_CLS_FLOW_TBL0_LAST        BIT(0)
0113 #define     MVPP2_CLS_FLOW_TBL0_ENG_MASK    0x7
0114 #define     MVPP2_CLS_FLOW_TBL0_OFFS        1
0115 #define     MVPP2_CLS_FLOW_TBL0_ENG(x)      ((x) << 1)
0116 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK    0xff
0117 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID(port)   ((port) << 4)
0118 #define     MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL BIT(23)
0119 #define MVPP2_CLS_FLOW_TBL1_REG         0x1828
0120 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK   0x7
0121 #define     MVPP2_CLS_FLOW_TBL1_N_FIELDS(x) (x)
0122 #define     MVPP2_CLS_FLOW_TBL1_LU_TYPE(lu) (((lu) & 0x3f) << 3)
0123 #define     MVPP2_CLS_FLOW_TBL1_PRIO_MASK   0x3f
0124 #define     MVPP2_CLS_FLOW_TBL1_PRIO(x)     ((x) << 9)
0125 #define     MVPP2_CLS_FLOW_TBL1_SEQ_MASK    0x7
0126 #define     MVPP2_CLS_FLOW_TBL1_SEQ(x)      ((x) << 15)
0127 #define MVPP2_CLS_FLOW_TBL2_REG         0x182c
0128 #define     MVPP2_CLS_FLOW_TBL2_FLD_MASK    0x3f
0129 #define     MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n) ((n) * 6)
0130 #define     MVPP2_CLS_FLOW_TBL2_FLD(n, x)   ((x) << ((n) * 6))
0131 #define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port)    (0x1980 + ((port) * 4))
0132 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS 3
0133 #define     MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK 0x7
0134 #define MVPP2_CLS_SWFWD_P2HQ_REG(port)      (0x19b0 + ((port) * 4))
0135 #define MVPP2_CLS_SWFWD_PCTRL_REG       0x19d0
0136 #define     MVPP2_CLS_SWFWD_PCTRL_MASK(port)    (1 << (port))
0137 
0138 /* Classifier C2 engine Registers */
0139 #define MVPP22_CLS_C2_TCAM_IDX          0x1b00
0140 #define MVPP22_CLS_C2_TCAM_DATA0        0x1b10
0141 #define MVPP22_CLS_C2_TCAM_DATA1        0x1b14
0142 #define MVPP22_CLS_C2_TCAM_DATA2        0x1b18
0143 #define MVPP22_CLS_C2_TCAM_DATA3        0x1b1c
0144 #define MVPP22_CLS_C2_TCAM_DATA4        0x1b20
0145 #define     MVPP22_CLS_C2_LU_TYPE(lu)       ((lu) & 0x3f)
0146 #define     MVPP22_CLS_C2_PORT_ID(port)     ((port) << 8)
0147 #define     MVPP22_CLS_C2_PORT_MASK     (0xff << 8)
0148 #define MVPP22_CLS_C2_TCAM_INV          0x1b24
0149 #define     MVPP22_CLS_C2_TCAM_INV_BIT      BIT(31)
0150 #define MVPP22_CLS_C2_HIT_CTR           0x1b50
0151 #define MVPP22_CLS_C2_ACT           0x1b60
0152 #define     MVPP22_CLS_C2_ACT_RSS_EN(act)   (((act) & 0x3) << 19)
0153 #define     MVPP22_CLS_C2_ACT_FWD(act)      (((act) & 0x7) << 13)
0154 #define     MVPP22_CLS_C2_ACT_QHIGH(act)    (((act) & 0x3) << 11)
0155 #define     MVPP22_CLS_C2_ACT_QLOW(act)     (((act) & 0x3) << 9)
0156 #define     MVPP22_CLS_C2_ACT_COLOR(act)    ((act) & 0x7)
0157 #define MVPP22_CLS_C2_ATTR0         0x1b64
0158 #define     MVPP22_CLS_C2_ATTR0_QHIGH(qh)   (((qh) & 0x1f) << 24)
0159 #define     MVPP22_CLS_C2_ATTR0_QHIGH_MASK  0x1f
0160 #define     MVPP22_CLS_C2_ATTR0_QHIGH_OFFS  24
0161 #define     MVPP22_CLS_C2_ATTR0_QLOW(ql)    (((ql) & 0x7) << 21)
0162 #define     MVPP22_CLS_C2_ATTR0_QLOW_MASK   0x7
0163 #define     MVPP22_CLS_C2_ATTR0_QLOW_OFFS   21
0164 #define MVPP22_CLS_C2_ATTR1         0x1b68
0165 #define MVPP22_CLS_C2_ATTR2         0x1b6c
0166 #define     MVPP22_CLS_C2_ATTR2_RSS_EN      BIT(30)
0167 #define MVPP22_CLS_C2_ATTR3         0x1b70
0168 #define MVPP22_CLS_C2_TCAM_CTRL         0x1b90
0169 #define     MVPP22_CLS_C2_TCAM_BYPASS_FIFO  BIT(0)
0170 
0171 /* Descriptor Manager Top Registers */
0172 #define MVPP2_RXQ_NUM_REG           0x2040
0173 #define MVPP2_RXQ_DESC_ADDR_REG         0x2044
0174 #define     MVPP22_DESC_ADDR_OFFS       8
0175 #define MVPP2_RXQ_DESC_SIZE_REG         0x2048
0176 #define     MVPP2_RXQ_DESC_SIZE_MASK        0x3ff0
0177 #define MVPP2_RXQ_STATUS_UPDATE_REG(rxq)    (0x3000 + 4 * (rxq))
0178 #define     MVPP2_RXQ_NUM_PROCESSED_OFFSET  0
0179 #define     MVPP2_RXQ_NUM_NEW_OFFSET        16
0180 #define MVPP2_RXQ_STATUS_REG(rxq)       (0x3400 + 4 * (rxq))
0181 #define     MVPP2_RXQ_OCCUPIED_MASK     0x3fff
0182 #define     MVPP2_RXQ_NON_OCCUPIED_OFFSET   16
0183 #define     MVPP2_RXQ_NON_OCCUPIED_MASK     0x3fff0000
0184 #define MVPP2_RXQ_THRESH_REG            0x204c
0185 #define     MVPP2_OCCUPIED_THRESH_OFFSET    0
0186 #define     MVPP2_OCCUPIED_THRESH_MASK      0x3fff
0187 #define MVPP2_RXQ_INDEX_REG         0x2050
0188 #define MVPP2_TXQ_NUM_REG           0x2080
0189 #define MVPP2_TXQ_DESC_ADDR_REG         0x2084
0190 #define MVPP2_TXQ_DESC_SIZE_REG         0x2088
0191 #define     MVPP2_TXQ_DESC_SIZE_MASK        0x3ff0
0192 #define MVPP2_TXQ_THRESH_REG            0x2094
0193 #define     MVPP2_TXQ_THRESH_OFFSET     16
0194 #define     MVPP2_TXQ_THRESH_MASK       0x3fff
0195 #define MVPP2_AGGR_TXQ_UPDATE_REG       0x2090
0196 #define MVPP2_TXQ_INDEX_REG         0x2098
0197 #define MVPP2_TXQ_PREF_BUF_REG          0x209c
0198 #define     MVPP2_PREF_BUF_PTR(desc)        ((desc) & 0xfff)
0199 #define     MVPP2_PREF_BUF_SIZE_4       (BIT(12) | BIT(13))
0200 #define     MVPP2_PREF_BUF_SIZE_16      (BIT(12) | BIT(14))
0201 #define     MVPP2_PREF_BUF_THRESH(val)      ((val) << 17)
0202 #define     MVPP2_TXQ_DRAIN_EN_MASK     BIT(31)
0203 #define MVPP2_TXQ_PENDING_REG           0x20a0
0204 #define     MVPP2_TXQ_PENDING_MASK      0x3fff
0205 #define MVPP2_TXQ_INT_STATUS_REG        0x20a4
0206 #define MVPP2_TXQ_SENT_REG(txq)         (0x3c00 + 4 * (txq))
0207 #define     MVPP2_TRANSMITTED_COUNT_OFFSET  16
0208 #define     MVPP2_TRANSMITTED_COUNT_MASK    0x3fff0000
0209 #define MVPP2_TXQ_RSVD_REQ_REG          0x20b0
0210 #define     MVPP2_TXQ_RSVD_REQ_Q_OFFSET     16
0211 #define MVPP2_TXQ_RSVD_RSLT_REG         0x20b4
0212 #define     MVPP2_TXQ_RSVD_RSLT_MASK        0x3fff
0213 #define MVPP2_TXQ_RSVD_CLR_REG          0x20b8
0214 #define     MVPP2_TXQ_RSVD_CLR_OFFSET       16
0215 #define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu)   (0x2100 + 4 * (cpu))
0216 #define     MVPP22_AGGR_TXQ_DESC_ADDR_OFFS  8
0217 #define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu)   (0x2140 + 4 * (cpu))
0218 #define     MVPP2_AGGR_TXQ_DESC_SIZE_MASK   0x3ff0
0219 #define MVPP2_AGGR_TXQ_STATUS_REG(cpu)      (0x2180 + 4 * (cpu))
0220 #define     MVPP2_AGGR_TXQ_PENDING_MASK     0x3fff
0221 #define MVPP2_AGGR_TXQ_INDEX_REG(cpu)       (0x21c0 + 4 * (cpu))
0222 
0223 /* MBUS bridge registers */
0224 #define MVPP2_WIN_BASE(w)           (0x4000 + ((w) << 2))
0225 #define MVPP2_WIN_SIZE(w)           (0x4020 + ((w) << 2))
0226 #define MVPP2_WIN_REMAP(w)          (0x4040 + ((w) << 2))
0227 #define MVPP2_BASE_ADDR_ENABLE          0x4060
0228 
0229 /* AXI Bridge Registers */
0230 #define MVPP22_AXI_BM_WR_ATTR_REG       0x4100
0231 #define MVPP22_AXI_BM_RD_ATTR_REG       0x4104
0232 #define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG  0x4110
0233 #define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG    0x4114
0234 #define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG    0x4118
0235 #define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG    0x411c
0236 #define MVPP22_AXI_RX_DATA_WR_ATTR_REG      0x4120
0237 #define MVPP22_AXI_TX_DATA_RD_ATTR_REG      0x4130
0238 #define MVPP22_AXI_RD_NORMAL_CODE_REG       0x4150
0239 #define MVPP22_AXI_RD_SNOOP_CODE_REG        0x4154
0240 #define MVPP22_AXI_WR_NORMAL_CODE_REG       0x4160
0241 #define MVPP22_AXI_WR_SNOOP_CODE_REG        0x4164
0242 
0243 /* Values for AXI Bridge registers */
0244 #define MVPP22_AXI_ATTR_CACHE_OFFS      0
0245 #define MVPP22_AXI_ATTR_DOMAIN_OFFS     12
0246 
0247 #define MVPP22_AXI_CODE_CACHE_OFFS      0
0248 #define MVPP22_AXI_CODE_DOMAIN_OFFS     4
0249 
0250 #define MVPP22_AXI_CODE_CACHE_NON_CACHE     0x3
0251 #define MVPP22_AXI_CODE_CACHE_WR_CACHE      0x7
0252 #define MVPP22_AXI_CODE_CACHE_RD_CACHE      0xb
0253 
0254 #define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM    2
0255 #define MVPP22_AXI_CODE_DOMAIN_SYSTEM       3
0256 
0257 /* Interrupt Cause and Mask registers */
0258 #define MVPP2_ISR_TX_THRESHOLD_REG(port)    (0x5140 + 4 * (port))
0259 #define     MVPP2_MAX_ISR_TX_THRESHOLD      0xfffff0
0260 
0261 #define MVPP2_ISR_RX_THRESHOLD_REG(rxq)     (0x5200 + 4 * (rxq))
0262 #define     MVPP2_MAX_ISR_RX_THRESHOLD      0xfffff0
0263 #define MVPP21_ISR_RXQ_GROUP_REG(port)      (0x5400 + 4 * (port))
0264 
0265 #define MVPP22_ISR_RXQ_GROUP_INDEX_REG      0x5400
0266 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
0267 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK   0x380
0268 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7
0269 
0270 #define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
0271 #define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK   0x380
0272 
0273 #define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG 0x5404
0274 #define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK    0x1f
0275 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK  0xf00
0276 #define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET    8
0277 
0278 #define MVPP2_ISR_ENABLE_REG(port)      (0x5420 + 4 * (port))
0279 #define     MVPP2_ISR_ENABLE_INTERRUPT(mask)    ((mask) & 0xffff)
0280 #define     MVPP2_ISR_DISABLE_INTERRUPT(mask)   (((mask) << 16) & 0xffff0000)
0281 #define MVPP2_ISR_RX_TX_CAUSE_REG(port)     (0x5480 + 4 * (port))
0282 #define     MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(version) \
0283                     ((version) == MVPP21 ? 0xffff : 0xff)
0284 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
0285 #define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET   16
0286 #define     MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK    BIT(24)
0287 #define     MVPP2_CAUSE_FCS_ERR_MASK        BIT(25)
0288 #define     MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK   BIT(26)
0289 #define     MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK   BIT(29)
0290 #define     MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK   BIT(30)
0291 #define     MVPP2_CAUSE_MISC_SUM_MASK       BIT(31)
0292 #define MVPP2_ISR_RX_TX_MASK_REG(port)      (0x54a0 + 4 * (port))
0293 #define MVPP2_ISR_PON_RX_TX_MASK_REG        0x54bc
0294 #define     MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK 0xffff
0295 #define     MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK 0x3fc00000
0296 #define     MVPP2_PON_CAUSE_MISC_SUM_MASK       BIT(31)
0297 #define MVPP2_ISR_MISC_CAUSE_REG        0x55b0
0298 #define MVPP2_ISR_RX_ERR_CAUSE_REG(port)    (0x5520 + 4 * (port))
0299 #define     MVPP2_ISR_RX_ERR_CAUSE_NONOCC_MASK  0x00ff
0300 
0301 /* Buffer Manager registers */
0302 #define MVPP2_BM_POOL_BASE_REG(pool)        (0x6000 + ((pool) * 4))
0303 #define     MVPP2_BM_POOL_BASE_ADDR_MASK    0xfffff80
0304 #define MVPP2_BM_POOL_SIZE_REG(pool)        (0x6040 + ((pool) * 4))
0305 #define     MVPP2_BM_POOL_SIZE_MASK     0xfff0
0306 #define MVPP2_BM_POOL_READ_PTR_REG(pool)    (0x6080 + ((pool) * 4))
0307 #define     MVPP2_BM_POOL_GET_READ_PTR_MASK 0xfff0
0308 #define MVPP2_BM_POOL_PTRS_NUM_REG(pool)    (0x60c0 + ((pool) * 4))
0309 #define     MVPP2_BM_POOL_PTRS_NUM_MASK     0xfff0
0310 #define MVPP2_BM_BPPI_READ_PTR_REG(pool)    (0x6100 + ((pool) * 4))
0311 #define MVPP2_BM_BPPI_PTRS_NUM_REG(pool)    (0x6140 + ((pool) * 4))
0312 #define     MVPP2_BM_BPPI_PTR_NUM_MASK      0x7ff
0313 #define MVPP22_BM_POOL_PTRS_NUM_MASK        0xfff8
0314 #define     MVPP2_BM_BPPI_PREFETCH_FULL_MASK    BIT(16)
0315 #define MVPP2_BM_POOL_CTRL_REG(pool)        (0x6200 + ((pool) * 4))
0316 #define     MVPP2_BM_START_MASK         BIT(0)
0317 #define     MVPP2_BM_STOP_MASK          BIT(1)
0318 #define     MVPP2_BM_STATE_MASK         BIT(4)
0319 #define     MVPP2_BM_LOW_THRESH_OFFS        8
0320 #define     MVPP2_BM_LOW_THRESH_MASK        0x7f00
0321 #define     MVPP2_BM_LOW_THRESH_VALUE(val)  ((val) << \
0322                         MVPP2_BM_LOW_THRESH_OFFS)
0323 #define     MVPP2_BM_HIGH_THRESH_OFFS       16
0324 #define     MVPP2_BM_HIGH_THRESH_MASK       0x7f0000
0325 #define     MVPP2_BM_HIGH_THRESH_VALUE(val) ((val) << \
0326                         MVPP2_BM_HIGH_THRESH_OFFS)
0327 #define     MVPP2_BM_BPPI_HIGH_THRESH       0x1E
0328 #define     MVPP2_BM_BPPI_LOW_THRESH        0x1C
0329 #define     MVPP23_BM_BPPI_HIGH_THRESH      0x34
0330 #define     MVPP23_BM_BPPI_LOW_THRESH       0x28
0331 #define MVPP2_BM_INTR_CAUSE_REG(pool)       (0x6240 + ((pool) * 4))
0332 #define     MVPP2_BM_RELEASED_DELAY_MASK    BIT(0)
0333 #define     MVPP2_BM_ALLOC_FAILED_MASK      BIT(1)
0334 #define     MVPP2_BM_BPPE_EMPTY_MASK        BIT(2)
0335 #define     MVPP2_BM_BPPE_FULL_MASK     BIT(3)
0336 #define     MVPP2_BM_AVAILABLE_BP_LOW_MASK  BIT(4)
0337 #define MVPP2_BM_INTR_MASK_REG(pool)        (0x6280 + ((pool) * 4))
0338 #define MVPP2_BM_PHY_ALLOC_REG(pool)        (0x6400 + ((pool) * 4))
0339 #define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK   BIT(0)
0340 #define MVPP2_BM_VIRT_ALLOC_REG         0x6440
0341 #define MVPP22_BM_ADDR_HIGH_ALLOC       0x6444
0342 #define     MVPP22_BM_ADDR_HIGH_PHYS_MASK   0xff
0343 #define     MVPP22_BM_ADDR_HIGH_VIRT_MASK   0xff00
0344 #define     MVPP22_BM_ADDR_HIGH_VIRT_SHIFT  8
0345 #define MVPP2_BM_PHY_RLS_REG(pool)      (0x6480 + ((pool) * 4))
0346 #define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK   BIT(0)
0347 #define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK   BIT(1)
0348 #define     MVPP2_BM_PHY_RLS_GRNTD_MASK     BIT(2)
0349 #define MVPP2_BM_VIRT_RLS_REG           0x64c0
0350 #define MVPP22_BM_ADDR_HIGH_RLS_REG     0x64c4
0351 #define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK   0xff
0352 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK   0xff00
0353 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT  8
0354 
0355 /* Packet Processor per-port counters */
0356 #define MVPP2_OVERRUN_ETH_DROP          0x7000
0357 #define MVPP2_CLS_ETH_DROP          0x7020
0358 
0359 #define MVPP22_BM_POOL_BASE_ADDR_HIGH_REG   0x6310
0360 #define     MVPP22_BM_POOL_BASE_ADDR_HIGH_MASK  0xff
0361 #define     MVPP23_BM_8POOL_MODE        BIT(8)
0362 
0363 /* Hit counters registers */
0364 #define MVPP2_CTRS_IDX              0x7040
0365 #define     MVPP22_CTRS_TX_CTR(port, txq)   ((txq) | ((port) << 3) | BIT(7))
0366 #define MVPP2_TX_DESC_ENQ_CTR           0x7100
0367 #define MVPP2_TX_DESC_ENQ_TO_DDR_CTR        0x7104
0368 #define MVPP2_TX_BUFF_ENQ_TO_DDR_CTR        0x7108
0369 #define MVPP2_TX_DESC_ENQ_HW_FWD_CTR        0x710c
0370 #define MVPP2_RX_DESC_ENQ_CTR           0x7120
0371 #define MVPP2_TX_PKTS_DEQ_CTR           0x7130
0372 #define MVPP2_TX_PKTS_FULL_QUEUE_DROP_CTR   0x7200
0373 #define MVPP2_TX_PKTS_EARLY_DROP_CTR        0x7204
0374 #define MVPP2_TX_PKTS_BM_DROP_CTR       0x7208
0375 #define MVPP2_TX_PKTS_BM_MC_DROP_CTR        0x720c
0376 #define MVPP2_RX_PKTS_FULL_QUEUE_DROP_CTR   0x7220
0377 #define MVPP2_RX_PKTS_EARLY_DROP_CTR        0x7224
0378 #define MVPP2_RX_PKTS_BM_DROP_CTR       0x7228
0379 #define MVPP2_CLS_DEC_TBL_HIT_CTR       0x7700
0380 #define MVPP2_CLS_FLOW_TBL_HIT_CTR      0x7704
0381 
0382 /* TX Scheduler registers */
0383 #define MVPP2_TXP_SCHED_PORT_INDEX_REG      0x8000
0384 #define MVPP2_TXP_SCHED_Q_CMD_REG       0x8004
0385 #define     MVPP2_TXP_SCHED_ENQ_MASK        0xff
0386 #define     MVPP2_TXP_SCHED_DISQ_OFFSET     8
0387 #define MVPP2_TXP_SCHED_CMD_1_REG       0x8010
0388 #define MVPP2_TXP_SCHED_FIXED_PRIO_REG      0x8014
0389 #define MVPP2_TXP_SCHED_PERIOD_REG      0x8018
0390 #define MVPP2_TXP_SCHED_MTU_REG         0x801c
0391 #define     MVPP2_TXP_MTU_MAX           0x7FFFF
0392 #define MVPP2_TXP_SCHED_REFILL_REG      0x8020
0393 #define     MVPP2_TXP_REFILL_TOKENS_ALL_MASK    0x7ffff
0394 #define     MVPP2_TXP_REFILL_PERIOD_ALL_MASK    0x3ff00000
0395 #define     MVPP2_TXP_REFILL_PERIOD_MASK(v) ((v) << 20)
0396 #define MVPP2_TXP_SCHED_TOKEN_SIZE_REG      0x8024
0397 #define     MVPP2_TXP_TOKEN_SIZE_MAX        0xffffffff
0398 #define MVPP2_TXQ_SCHED_REFILL_REG(q)       (0x8040 + ((q) << 2))
0399 #define     MVPP2_TXQ_REFILL_TOKENS_ALL_MASK    0x7ffff
0400 #define     MVPP2_TXQ_REFILL_PERIOD_ALL_MASK    0x3ff00000
0401 #define     MVPP2_TXQ_REFILL_PERIOD_MASK(v) ((v) << 20)
0402 #define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q)   (0x8060 + ((q) << 2))
0403 #define     MVPP2_TXQ_TOKEN_SIZE_MAX        0x7fffffff
0404 #define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q)   (0x8080 + ((q) << 2))
0405 #define     MVPP2_TXQ_TOKEN_CNTR_MAX        0xffffffff
0406 
0407 /* TX general registers */
0408 #define MVPP2_TX_SNOOP_REG          0x8800
0409 #define MVPP2_TX_PORT_FLUSH_REG         0x8810
0410 #define     MVPP2_TX_PORT_FLUSH_MASK(port)  (1 << (port))
0411 
0412 /* LMS registers */
0413 #define MVPP2_SRC_ADDR_MIDDLE           0x24
0414 #define MVPP2_SRC_ADDR_HIGH         0x28
0415 #define MVPP2_PHY_AN_CFG0_REG           0x34
0416 #define     MVPP2_PHY_AN_STOP_SMI0_MASK     BIT(7)
0417 #define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG  0x305c
0418 #define     MVPP2_EXT_GLOBAL_CTRL_DEFAULT   0x27
0419 
0420 /* Per-port registers */
0421 #define MVPP2_GMAC_CTRL_0_REG           0x0
0422 #define     MVPP2_GMAC_PORT_EN_MASK     BIT(0)
0423 #define     MVPP2_GMAC_PORT_TYPE_MASK       BIT(1)
0424 #define     MVPP2_GMAC_MAX_RX_SIZE_OFFS     2
0425 #define     MVPP2_GMAC_MAX_RX_SIZE_MASK     0x7ffc
0426 #define     MVPP2_GMAC_MIB_CNTR_EN_MASK     BIT(15)
0427 #define MVPP2_GMAC_CTRL_1_REG           0x4
0428 #define     MVPP2_GMAC_PERIODIC_XON_EN_MASK BIT(1)
0429 #define     MVPP2_GMAC_GMII_LB_EN_MASK      BIT(5)
0430 #define     MVPP2_GMAC_PCS_LB_EN_BIT        6
0431 #define     MVPP2_GMAC_PCS_LB_EN_MASK       BIT(6)
0432 #define     MVPP2_GMAC_SA_LOW_OFFS      7
0433 #define MVPP2_GMAC_CTRL_2_REG           0x8
0434 #define     MVPP2_GMAC_INBAND_AN_MASK       BIT(0)
0435 #define     MVPP2_GMAC_FLOW_CTRL_MASK       GENMASK(2, 1)
0436 #define     MVPP2_GMAC_PCS_ENABLE_MASK      BIT(3)
0437 #define     MVPP2_GMAC_INTERNAL_CLK_MASK    BIT(4)
0438 #define     MVPP2_GMAC_DISABLE_PADDING      BIT(5)
0439 #define     MVPP2_GMAC_PORT_RESET_MASK      BIT(6)
0440 #define MVPP2_GMAC_AUTONEG_CONFIG       0xc
0441 #define     MVPP2_GMAC_FORCE_LINK_DOWN      BIT(0)
0442 #define     MVPP2_GMAC_FORCE_LINK_PASS      BIT(1)
0443 #define     MVPP2_GMAC_IN_BAND_AUTONEG      BIT(2)
0444 #define     MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS   BIT(3)
0445 #define     MVPP2_GMAC_IN_BAND_RESTART_AN   BIT(4)
0446 #define     MVPP2_GMAC_CONFIG_MII_SPEED     BIT(5)
0447 #define     MVPP2_GMAC_CONFIG_GMII_SPEED    BIT(6)
0448 #define     MVPP2_GMAC_AN_SPEED_EN      BIT(7)
0449 #define     MVPP2_GMAC_FC_ADV_EN        BIT(9)
0450 #define     MVPP2_GMAC_FC_ADV_ASM_EN        BIT(10)
0451 #define     MVPP2_GMAC_FLOW_CTRL_AUTONEG    BIT(11)
0452 #define     MVPP2_GMAC_CONFIG_FULL_DUPLEX   BIT(12)
0453 #define     MVPP2_GMAC_AN_DUPLEX_EN     BIT(13)
0454 #define MVPP2_GMAC_STATUS0          0x10
0455 #define     MVPP2_GMAC_STATUS0_LINK_UP      BIT(0)
0456 #define     MVPP2_GMAC_STATUS0_GMII_SPEED   BIT(1)
0457 #define     MVPP2_GMAC_STATUS0_MII_SPEED    BIT(2)
0458 #define     MVPP2_GMAC_STATUS0_FULL_DUPLEX  BIT(3)
0459 #define     MVPP2_GMAC_STATUS0_RX_PAUSE     BIT(4)
0460 #define     MVPP2_GMAC_STATUS0_TX_PAUSE     BIT(5)
0461 #define     MVPP2_GMAC_STATUS0_AN_COMPLETE  BIT(11)
0462 #define MVPP2_GMAC_PORT_FIFO_CFG_1_REG      0x1c
0463 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS  6
0464 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK  0x1fc0
0465 #define     MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v)   (((v) << 6) & \
0466                     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
0467 #define MVPP22_GMAC_INT_STAT            0x20
0468 #define     MVPP22_GMAC_INT_STAT_LINK       BIT(1)
0469 #define MVPP22_GMAC_INT_MASK            0x24
0470 #define     MVPP22_GMAC_INT_MASK_LINK_STAT  BIT(1)
0471 #define MVPP22_GMAC_CTRL_4_REG          0x90
0472 #define     MVPP22_CTRL4_EXT_PIN_GMII_SEL   BIT(0)
0473 #define     MVPP22_CTRL4_RX_FC_EN       BIT(3)
0474 #define     MVPP22_CTRL4_TX_FC_EN       BIT(4)
0475 #define     MVPP22_CTRL4_DP_CLK_SEL     BIT(5)
0476 #define     MVPP22_CTRL4_SYNC_BYPASS_DIS    BIT(6)
0477 #define     MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE   BIT(7)
0478 #define MVPP22_GMAC_INT_SUM_STAT        0xa0
0479 #define     MVPP22_GMAC_INT_SUM_STAT_INTERNAL   BIT(1)
0480 #define     MVPP22_GMAC_INT_SUM_STAT_PTP    BIT(2)
0481 #define MVPP22_GMAC_INT_SUM_MASK        0xa4
0482 #define     MVPP22_GMAC_INT_SUM_MASK_LINK_STAT  BIT(1)
0483 #define     MVPP22_GMAC_INT_SUM_MASK_PTP    BIT(2)
0484 
0485 /* Per-port XGMAC registers. PPv2.2 and PPv2.3, only for GOP port 0,
0486  * relative to port->base.
0487  */
0488 #define MVPP22_XLG_CTRL0_REG            0x100
0489 #define     MVPP22_XLG_CTRL0_PORT_EN        BIT(0)
0490 #define     MVPP22_XLG_CTRL0_MAC_RESET_DIS  BIT(1)
0491 #define     MVPP22_XLG_CTRL0_FORCE_LINK_DOWN    BIT(2)
0492 #define     MVPP22_XLG_CTRL0_FORCE_LINK_PASS    BIT(3)
0493 #define     MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN    BIT(7)
0494 #define     MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN    BIT(8)
0495 #define     MVPP22_XLG_CTRL0_MIB_CNT_DIS    BIT(14)
0496 #define MVPP22_XLG_CTRL1_REG            0x104
0497 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS    0
0498 #define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK    0x1fff
0499 #define MVPP22_XLG_STATUS           0x10c
0500 #define     MVPP22_XLG_STATUS_LINK_UP       BIT(0)
0501 #define MVPP22_XLG_INT_STAT         0x114
0502 #define     MVPP22_XLG_INT_STAT_LINK        BIT(1)
0503 #define MVPP22_XLG_INT_MASK         0x118
0504 #define     MVPP22_XLG_INT_MASK_LINK        BIT(1)
0505 #define MVPP22_XLG_CTRL3_REG            0x11c
0506 #define     MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
0507 #define     MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
0508 #define     MVPP22_XLG_CTRL3_MACMODESELECT_10G  (1 << 13)
0509 #define MVPP22_XLG_EXT_INT_STAT         0x158
0510 #define     MVPP22_XLG_EXT_INT_STAT_XLG     BIT(1)
0511 #define     MVPP22_XLG_EXT_INT_STAT_PTP     BIT(7)
0512 #define MVPP22_XLG_EXT_INT_MASK         0x15c
0513 #define     MVPP22_XLG_EXT_INT_MASK_XLG     BIT(1)
0514 #define     MVPP22_XLG_EXT_INT_MASK_GIG     BIT(2)
0515 #define     MVPP22_XLG_EXT_INT_MASK_PTP     BIT(7)
0516 #define MVPP22_XLG_CTRL4_REG            0x184
0517 #define     MVPP22_XLG_CTRL4_FWD_FC     BIT(5)
0518 #define     MVPP22_XLG_CTRL4_FWD_PFC        BIT(6)
0519 #define     MVPP22_XLG_CTRL4_MACMODSELECT_GMAC  BIT(12)
0520 #define     MVPP22_XLG_CTRL4_EN_IDLE_CHECK  BIT(14)
0521 
0522 /* SMI registers. PPv2.2 and PPv2.3, relative to priv->iface_base. */
0523 #define MVPP22_SMI_MISC_CFG_REG         0x1204
0524 #define     MVPP22_SMI_POLLING_EN       BIT(10)
0525 
0526 /* TAI registers, PPv2.2 only, relative to priv->iface_base */
0527 #define MVPP22_TAI_INT_CAUSE            0x1400
0528 #define MVPP22_TAI_INT_MASK         0x1404
0529 #define MVPP22_TAI_CR0              0x1408
0530 #define MVPP22_TAI_CR1              0x140c
0531 #define MVPP22_TAI_TCFCR0           0x1410
0532 #define MVPP22_TAI_TCFCR1           0x1414
0533 #define MVPP22_TAI_TCFCR2           0x1418
0534 #define MVPP22_TAI_FATWR            0x141c
0535 #define MVPP22_TAI_TOD_STEP_NANO_CR     0x1420
0536 #define MVPP22_TAI_TOD_STEP_FRAC_HIGH       0x1424
0537 #define MVPP22_TAI_TOD_STEP_FRAC_LOW        0x1428
0538 #define MVPP22_TAI_TAPDC_HIGH           0x142c
0539 #define MVPP22_TAI_TAPDC_LOW            0x1430
0540 #define MVPP22_TAI_TGTOD_SEC_HIGH       0x1434
0541 #define MVPP22_TAI_TGTOD_SEC_MED        0x1438
0542 #define MVPP22_TAI_TGTOD_SEC_LOW        0x143c
0543 #define MVPP22_TAI_TGTOD_NANO_HIGH      0x1440
0544 #define MVPP22_TAI_TGTOD_NANO_LOW       0x1444
0545 #define MVPP22_TAI_TGTOD_FRAC_HIGH      0x1448
0546 #define MVPP22_TAI_TGTOD_FRAC_LOW       0x144c
0547 #define MVPP22_TAI_TLV_SEC_HIGH         0x1450
0548 #define MVPP22_TAI_TLV_SEC_MED          0x1454
0549 #define MVPP22_TAI_TLV_SEC_LOW          0x1458
0550 #define MVPP22_TAI_TLV_NANO_HIGH        0x145c
0551 #define MVPP22_TAI_TLV_NANO_LOW         0x1460
0552 #define MVPP22_TAI_TLV_FRAC_HIGH        0x1464
0553 #define MVPP22_TAI_TLV_FRAC_LOW         0x1468
0554 #define MVPP22_TAI_TCV0_SEC_HIGH        0x146c
0555 #define MVPP22_TAI_TCV0_SEC_MED         0x1470
0556 #define MVPP22_TAI_TCV0_SEC_LOW         0x1474
0557 #define MVPP22_TAI_TCV0_NANO_HIGH       0x1478
0558 #define MVPP22_TAI_TCV0_NANO_LOW        0x147c
0559 #define MVPP22_TAI_TCV0_FRAC_HIGH       0x1480
0560 #define MVPP22_TAI_TCV0_FRAC_LOW        0x1484
0561 #define MVPP22_TAI_TCV1_SEC_HIGH        0x1488
0562 #define MVPP22_TAI_TCV1_SEC_MED         0x148c
0563 #define MVPP22_TAI_TCV1_SEC_LOW         0x1490
0564 #define MVPP22_TAI_TCV1_NANO_HIGH       0x1494
0565 #define MVPP22_TAI_TCV1_NANO_LOW        0x1498
0566 #define MVPP22_TAI_TCV1_FRAC_HIGH       0x149c
0567 #define MVPP22_TAI_TCV1_FRAC_LOW        0x14a0
0568 #define MVPP22_TAI_TCSR             0x14a4
0569 #define MVPP22_TAI_TUC_LSB          0x14a8
0570 #define MVPP22_TAI_GFM_SEC_HIGH         0x14ac
0571 #define MVPP22_TAI_GFM_SEC_MED          0x14b0
0572 #define MVPP22_TAI_GFM_SEC_LOW          0x14b4
0573 #define MVPP22_TAI_GFM_NANO_HIGH        0x14b8
0574 #define MVPP22_TAI_GFM_NANO_LOW         0x14bc
0575 #define MVPP22_TAI_GFM_FRAC_HIGH        0x14c0
0576 #define MVPP22_TAI_GFM_FRAC_LOW         0x14c4
0577 #define MVPP22_TAI_PCLK_DA_HIGH         0x14c8
0578 #define MVPP22_TAI_PCLK_DA_LOW          0x14cc
0579 #define MVPP22_TAI_CTCR             0x14d0
0580 #define MVPP22_TAI_PCLK_CCC_HIGH        0x14d4
0581 #define MVPP22_TAI_PCLK_CCC_LOW         0x14d8
0582 #define MVPP22_TAI_DTC_HIGH         0x14dc
0583 #define MVPP22_TAI_DTC_LOW          0x14e0
0584 #define MVPP22_TAI_CCC_HIGH         0x14e4
0585 #define MVPP22_TAI_CCC_LOW          0x14e8
0586 #define MVPP22_TAI_ICICE            0x14f4
0587 #define MVPP22_TAI_ICICC_LOW            0x14f8
0588 #define MVPP22_TAI_TUC_MSB          0x14fc
0589 
0590 #define MVPP22_GMAC_BASE(port)      (0x7000 + (port) * 0x1000 + 0xe00)
0591 
0592 #define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK  0xff
0593 
0594 /* Descriptor ring Macros */
0595 #define MVPP2_QUEUE_NEXT_DESC(q, index) \
0596     (((index) < (q)->last_desc) ? ((index) + 1) : 0)
0597 
0598 /* XPCS registers.PPv2.2 and PPv2.3 */
0599 #define MVPP22_MPCS_BASE(port)          (0x7000 + (port) * 0x1000)
0600 #define MVPP22_MPCS_CTRL            0x14
0601 #define     MVPP22_MPCS_CTRL_FWD_ERR_CONN   BIT(10)
0602 #define MVPP22_MPCS_CLK_RESET           0x14c
0603 #define     MAC_CLK_RESET_SD_TX         BIT(0)
0604 #define     MAC_CLK_RESET_SD_RX         BIT(1)
0605 #define     MAC_CLK_RESET_MAC           BIT(2)
0606 #define     MVPP22_MPCS_CLK_RESET_DIV_RATIO(n)  ((n) << 4)
0607 #define     MVPP22_MPCS_CLK_RESET_DIV_SET   BIT(11)
0608 
0609 /* FCA registers. PPv2.2 and PPv2.3 */
0610 #define MVPP22_FCA_BASE(port)           (0x7600 + (port) * 0x1000)
0611 #define MVPP22_FCA_REG_SIZE         16
0612 #define MVPP22_FCA_REG_MASK         0xFFFF
0613 #define MVPP22_FCA_CONTROL_REG          0x0
0614 #define MVPP22_FCA_ENABLE_PERIODIC      BIT(11)
0615 #define MVPP22_PERIODIC_COUNTER_LSB_REG     (0x110)
0616 #define MVPP22_PERIODIC_COUNTER_MSB_REG     (0x114)
0617 
0618 /* XPCS registers. PPv2.2 and PPv2.3 */
0619 #define MVPP22_XPCS_BASE(port)          (0x7400 + (port) * 0x1000)
0620 #define MVPP22_XPCS_CFG0            0x0
0621 #define     MVPP22_XPCS_CFG0_RESET_DIS      BIT(0)
0622 #define     MVPP22_XPCS_CFG0_PCS_MODE(n)    ((n) << 3)
0623 #define     MVPP22_XPCS_CFG0_ACTIVE_LANE(n) ((n) << 5)
0624 
0625 /* PTP registers. PPv2.2 only */
0626 #define MVPP22_PTP_BASE(port)           (0x7800 + (port * 0x1000))
0627 #define MVPP22_PTP_INT_CAUSE            0x00
0628 #define     MVPP22_PTP_INT_CAUSE_QUEUE1     BIT(6)
0629 #define     MVPP22_PTP_INT_CAUSE_QUEUE0     BIT(5)
0630 #define MVPP22_PTP_INT_MASK         0x04
0631 #define     MVPP22_PTP_INT_MASK_QUEUE1      BIT(6)
0632 #define     MVPP22_PTP_INT_MASK_QUEUE0      BIT(5)
0633 #define MVPP22_PTP_GCR              0x08
0634 #define     MVPP22_PTP_GCR_RX_RESET     BIT(13)
0635 #define     MVPP22_PTP_GCR_TX_RESET     BIT(1)
0636 #define     MVPP22_PTP_GCR_TSU_ENABLE       BIT(0)
0637 #define MVPP22_PTP_TX_Q0_R0         0x0c
0638 #define MVPP22_PTP_TX_Q0_R1         0x10
0639 #define MVPP22_PTP_TX_Q0_R2         0x14
0640 #define MVPP22_PTP_TX_Q1_R0         0x18
0641 #define MVPP22_PTP_TX_Q1_R1         0x1c
0642 #define MVPP22_PTP_TX_Q1_R2         0x20
0643 #define MVPP22_PTP_TPCR             0x24
0644 #define MVPP22_PTP_V1PCR            0x28
0645 #define MVPP22_PTP_V2PCR            0x2c
0646 #define MVPP22_PTP_Y1731PCR         0x30
0647 #define MVPP22_PTP_NTPTSPCR         0x34
0648 #define MVPP22_PTP_NTPRXPCR         0x38
0649 #define MVPP22_PTP_NTPTXPCR         0x3c
0650 #define MVPP22_PTP_WAMPPCR          0x40
0651 #define MVPP22_PTP_NAPCR            0x44
0652 #define MVPP22_PTP_FAPCR            0x48
0653 #define MVPP22_PTP_CAPCR            0x50
0654 #define MVPP22_PTP_ATAPCR           0x54
0655 #define MVPP22_PTP_ACTAPCR          0x58
0656 #define MVPP22_PTP_CATAPCR          0x5c
0657 #define MVPP22_PTP_CACTAPCR         0x60
0658 #define MVPP22_PTP_AITAPCR          0x64
0659 #define MVPP22_PTP_CAITAPCR         0x68
0660 #define MVPP22_PTP_CITAPCR          0x6c
0661 #define MVPP22_PTP_NTP_OFF_HIGH         0x70
0662 #define MVPP22_PTP_NTP_OFF_LOW          0x74
0663 #define MVPP22_PTP_TX_PIPE_STATUS_DELAY     0x78
0664 
0665 /* System controller registers. Accessed through a regmap. */
0666 #define GENCONF_SOFT_RESET1             0x1108
0667 #define     GENCONF_SOFT_RESET1_GOP         BIT(6)
0668 #define GENCONF_PORT_CTRL0              0x1110
0669 #define     GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT     BIT(1)
0670 #define     GENCONF_PORT_CTRL0_RX_DATA_SAMPLE       BIT(29)
0671 #define     GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR    BIT(31)
0672 #define GENCONF_PORT_CTRL1              0x1114
0673 #define     GENCONF_PORT_CTRL1_EN(p)            BIT(p)
0674 #define     GENCONF_PORT_CTRL1_RESET(p)         (BIT(p) << 28)
0675 #define GENCONF_CTRL0                   0x1120
0676 #define     GENCONF_CTRL0_PORT2_RGMII           BIT(0)
0677 #define     GENCONF_CTRL0_PORT3_RGMII_MII       BIT(1)
0678 #define     GENCONF_CTRL0_PORT3_RGMII           BIT(2)
0679 
0680 /* Various constants */
0681 
0682 /* Coalescing */
0683 #define MVPP2_TXDONE_COAL_PKTS_THRESH   64
0684 #define MVPP2_TXDONE_HRTIMER_PERIOD_NS  1000000UL
0685 #define MVPP2_TXDONE_COAL_USEC      1000
0686 #define MVPP2_RX_COAL_PKTS      32
0687 #define MVPP2_RX_COAL_USEC      64
0688 
0689 /* The two bytes Marvell header. Either contains a special value used
0690  * by Marvell switches when a specific hardware mode is enabled (not
0691  * supported by this driver) or is filled automatically by zeroes on
0692  * the RX side. Those two bytes being at the front of the Ethernet
0693  * header, they allow to have the IP header aligned on a 4 bytes
0694  * boundary automatically: the hardware skips those two bytes on its
0695  * own.
0696  */
0697 #define MVPP2_MH_SIZE           2
0698 #define MVPP2_ETH_TYPE_LEN      2
0699 #define MVPP2_PPPOE_HDR_SIZE        8
0700 #define MVPP2_VLAN_TAG_LEN      4
0701 #define MVPP2_VLAN_TAG_EDSA_LEN     8
0702 
0703 /* Lbtd 802.3 type */
0704 #define MVPP2_IP_LBDT_TYPE      0xfffa
0705 
0706 #define MVPP2_TX_CSUM_MAX_SIZE      9800
0707 
0708 /* Timeout constants */
0709 #define MVPP2_TX_DISABLE_TIMEOUT_MSEC   1000
0710 #define MVPP2_TX_PENDING_TIMEOUT_MSEC   1000
0711 
0712 #define MVPP2_TX_MTU_MAX        0x7ffff
0713 
0714 /* Maximum number of T-CONTs of PON port */
0715 #define MVPP2_MAX_TCONT         16
0716 
0717 /* Maximum number of supported ports */
0718 #define MVPP2_MAX_PORTS         4
0719 
0720 /* Loopback port index */
0721 #define MVPP2_LOOPBACK_PORT_INDEX   3
0722 
0723 /* Maximum number of TXQs used by single port */
0724 #define MVPP2_MAX_TXQ           8
0725 
0726 /* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
0727  * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
0728  * multiply this value by two to count the maximum number of skb descs needed.
0729  */
0730 #define MVPP2_MAX_TSO_SEGS      300
0731 #define MVPP2_MAX_SKB_DESCS     (MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)
0732 
0733 /* Max number of RXQs per port */
0734 #define MVPP2_PORT_MAX_RXQ      32
0735 
0736 /* Max number of Rx descriptors */
0737 #define MVPP2_MAX_RXD_MAX       2048
0738 #define MVPP2_MAX_RXD_DFLT      1024
0739 
0740 /* Max number of Tx descriptors */
0741 #define MVPP2_MAX_TXD_MAX       2048
0742 #define MVPP2_MAX_TXD_DFLT      1024
0743 
0744 /* Amount of Tx descriptors that can be reserved at once by CPU */
0745 #define MVPP2_CPU_DESC_CHUNK        64
0746 
0747 /* Max number of Tx descriptors in each aggregated queue */
0748 #define MVPP2_AGGR_TXQ_SIZE     256
0749 
0750 /* Descriptor aligned size */
0751 #define MVPP2_DESC_ALIGNED_SIZE     32
0752 
0753 /* Descriptor alignment mask */
0754 #define MVPP2_TX_DESC_ALIGN     (MVPP2_DESC_ALIGNED_SIZE - 1)
0755 
0756 /* RX FIFO constants */
0757 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_44KB   0xb000
0758 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB   0x8000
0759 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB    0x2000
0760 #define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB    0x1000
0761 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE(data_size) ((data_size) >> 6)
0762 #define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB    0x40
0763 #define MVPP2_RX_FIFO_PORT_MIN_PKT      0x80
0764 
0765 /* TX FIFO constants */
0766 #define MVPP22_TX_FIFO_DATA_SIZE_18KB       18
0767 #define MVPP22_TX_FIFO_DATA_SIZE_10KB       10
0768 #define MVPP22_TX_FIFO_DATA_SIZE_1KB        1
0769 #define MVPP2_TX_FIFO_THRESHOLD_MIN     256 /* Bytes */
0770 #define MVPP2_TX_FIFO_THRESHOLD(kb) \
0771         ((kb) * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
0772 
0773 /* RX FIFO threshold in 1KB granularity */
0774 #define MVPP23_PORT0_FIFO_TRSH  (9 * 1024)
0775 #define MVPP23_PORT1_FIFO_TRSH  (4 * 1024)
0776 #define MVPP23_PORT2_FIFO_TRSH  (2 * 1024)
0777 
0778 /* RX Flow Control Registers */
0779 #define MVPP2_RX_FC_REG(port)       (0x150 + 4 * (port))
0780 #define     MVPP2_RX_FC_EN      BIT(24)
0781 #define     MVPP2_RX_FC_TRSH_OFFS   16
0782 #define     MVPP2_RX_FC_TRSH_MASK   (0xFF << MVPP2_RX_FC_TRSH_OFFS)
0783 #define     MVPP2_RX_FC_TRSH_UNIT   256
0784 
0785 /* MSS Flow control */
0786 #define MSS_FC_COM_REG          0
0787 #define FLOW_CONTROL_ENABLE_BIT     BIT(0)
0788 #define FLOW_CONTROL_UPDATE_COMMAND_BIT BIT(31)
0789 #define FC_QUANTA           0xFFFF
0790 #define FC_CLK_DIVIDER          100
0791 
0792 #define MSS_RXQ_TRESH_BASE      0x200
0793 #define MSS_RXQ_TRESH_OFFS      4
0794 #define MSS_RXQ_TRESH_REG(q, fq)    (MSS_RXQ_TRESH_BASE + (((q) + (fq)) \
0795                     * MSS_RXQ_TRESH_OFFS))
0796 
0797 #define MSS_BUF_POOL_BASE       0x40
0798 #define MSS_BUF_POOL_OFFS       4
0799 #define MSS_BUF_POOL_REG(id)        (MSS_BUF_POOL_BASE      \
0800                     + (id) * MSS_BUF_POOL_OFFS)
0801 
0802 #define MSS_BUF_POOL_STOP_MASK      0xFFF
0803 #define MSS_BUF_POOL_START_MASK     (0xFFF << MSS_BUF_POOL_START_OFFS)
0804 #define MSS_BUF_POOL_START_OFFS     12
0805 #define MSS_BUF_POOL_PORTS_MASK     (0xF << MSS_BUF_POOL_PORTS_OFFS)
0806 #define MSS_BUF_POOL_PORTS_OFFS     24
0807 #define MSS_BUF_POOL_PORT_OFFS(id)  (0x1 <<             \
0808                     ((id) + MSS_BUF_POOL_PORTS_OFFS))
0809 
0810 #define MSS_RXQ_TRESH_START_MASK    0xFFFF
0811 #define MSS_RXQ_TRESH_STOP_MASK     (0xFFFF << MSS_RXQ_TRESH_STOP_OFFS)
0812 #define MSS_RXQ_TRESH_STOP_OFFS     16
0813 
0814 #define MSS_RXQ_ASS_BASE    0x80
0815 #define MSS_RXQ_ASS_OFFS    4
0816 #define MSS_RXQ_ASS_PER_REG 4
0817 #define MSS_RXQ_ASS_PER_OFFS    8
0818 #define MSS_RXQ_ASS_PORTID_OFFS 0
0819 #define MSS_RXQ_ASS_PORTID_MASK 0x3
0820 #define MSS_RXQ_ASS_HOSTID_OFFS 2
0821 #define MSS_RXQ_ASS_HOSTID_MASK 0x3F
0822 
0823 #define MSS_RXQ_ASS_Q_BASE(q, fq) ((((q) + (fq)) % MSS_RXQ_ASS_PER_REG)  \
0824                   * MSS_RXQ_ASS_PER_OFFS)
0825 #define MSS_RXQ_ASS_PQ_BASE(q, fq) ((((q) + (fq)) / MSS_RXQ_ASS_PER_REG) \
0826                    * MSS_RXQ_ASS_OFFS)
0827 #define MSS_RXQ_ASS_REG(q, fq) (MSS_RXQ_ASS_BASE + MSS_RXQ_ASS_PQ_BASE(q, fq))
0828 
0829 #define MSS_THRESHOLD_STOP  768
0830 #define MSS_THRESHOLD_START 1024
0831 #define MSS_FC_MAX_TIMEOUT  5000
0832 
0833 /* RX buffer constants */
0834 #define MVPP2_SKB_SHINFO_SIZE \
0835     SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
0836 
0837 #define MVPP2_RX_PKT_SIZE(mtu) \
0838     ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
0839           ETH_HLEN + ETH_FCS_LEN, cache_line_size())
0840 
0841 #define MVPP2_RX_BUF_SIZE(pkt_size) ((pkt_size) + MVPP2_SKB_HEADROOM)
0842 #define MVPP2_RX_TOTAL_SIZE(buf_size)   ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
0843 #define MVPP2_RX_MAX_PKT_SIZE(total_size) \
0844     ((total_size) - MVPP2_SKB_HEADROOM - MVPP2_SKB_SHINFO_SIZE)
0845 
0846 #define MVPP2_MAX_RX_BUF_SIZE   (PAGE_SIZE - MVPP2_SKB_SHINFO_SIZE - MVPP2_SKB_HEADROOM)
0847 
0848 #define MVPP2_BIT_TO_BYTE(bit)      ((bit) / 8)
0849 #define MVPP2_BIT_TO_WORD(bit)      ((bit) / 32)
0850 #define MVPP2_BIT_IN_WORD(bit)      ((bit) % 32)
0851 
0852 #define MVPP2_N_PRS_FLOWS       52
0853 #define MVPP2_N_RFS_ENTRIES_PER_FLOW    4
0854 
0855 /* There are 7 supported high-level flows */
0856 #define MVPP2_N_RFS_RULES       (MVPP2_N_RFS_ENTRIES_PER_FLOW * 7)
0857 
0858 /* RSS constants */
0859 #define MVPP22_N_RSS_TABLES     8
0860 #define MVPP22_RSS_TABLE_ENTRIES    32
0861 
0862 /* IPv6 max L3 address size */
0863 #define MVPP2_MAX_L3_ADDR_SIZE      16
0864 
0865 /* Port flags */
0866 #define MVPP2_F_LOOPBACK        BIT(0)
0867 #define MVPP2_F_DT_COMPAT       BIT(1)
0868 
0869 /* Marvell tag types */
0870 enum mvpp2_tag_type {
0871     MVPP2_TAG_TYPE_NONE = 0,
0872     MVPP2_TAG_TYPE_MH   = 1,
0873     MVPP2_TAG_TYPE_DSA  = 2,
0874     MVPP2_TAG_TYPE_EDSA = 3,
0875     MVPP2_TAG_TYPE_VLAN = 4,
0876     MVPP2_TAG_TYPE_LAST = 5
0877 };
0878 
0879 /* L2 cast enum */
0880 enum mvpp2_prs_l2_cast {
0881     MVPP2_PRS_L2_UNI_CAST,
0882     MVPP2_PRS_L2_MULTI_CAST,
0883 };
0884 
0885 /* L3 cast enum */
0886 enum mvpp2_prs_l3_cast {
0887     MVPP2_PRS_L3_UNI_CAST,
0888     MVPP2_PRS_L3_MULTI_CAST,
0889     MVPP2_PRS_L3_BROAD_CAST
0890 };
0891 
0892 /* PTP descriptor constants. The low bits of the descriptor are stored
0893  * separately from the high bits.
0894  */
0895 #define MVPP22_PTP_DESC_MASK_LOW    0xfff
0896 
0897 /* PTPAction */
0898 enum mvpp22_ptp_action {
0899     MVPP22_PTP_ACTION_NONE = 0,
0900     MVPP22_PTP_ACTION_FORWARD = 1,
0901     MVPP22_PTP_ACTION_CAPTURE = 3,
0902     /* The following have not been verified */
0903     MVPP22_PTP_ACTION_ADDTIME = 4,
0904     MVPP22_PTP_ACTION_ADDCORRECTEDTIME = 5,
0905     MVPP22_PTP_ACTION_CAPTUREADDTIME = 6,
0906     MVPP22_PTP_ACTION_CAPTUREADDCORRECTEDTIME = 7,
0907     MVPP22_PTP_ACTION_ADDINGRESSTIME = 8,
0908     MVPP22_PTP_ACTION_CAPTUREADDINGRESSTIME = 9,
0909     MVPP22_PTP_ACTION_CAPTUREINGRESSTIME = 10,
0910 };
0911 
0912 /* PTPPacketFormat */
0913 enum mvpp22_ptp_packet_format {
0914     MVPP22_PTP_PKT_FMT_PTPV2 = 0,
0915     MVPP22_PTP_PKT_FMT_PTPV1 = 1,
0916     MVPP22_PTP_PKT_FMT_Y1731 = 2,
0917     MVPP22_PTP_PKT_FMT_NTPTS = 3,
0918     MVPP22_PTP_PKT_FMT_NTPRX = 4,
0919     MVPP22_PTP_PKT_FMT_NTPTX = 5,
0920     MVPP22_PTP_PKT_FMT_TWAMP = 6,
0921 };
0922 
0923 #define MVPP22_PTP_ACTION(x)        (((x) & 15) << 0)
0924 #define MVPP22_PTP_PACKETFORMAT(x)  (((x) & 7) << 4)
0925 #define MVPP22_PTP_MACTIMESTAMPINGEN    BIT(11)
0926 #define MVPP22_PTP_TIMESTAMPENTRYID(x)  (((x) & 31) << 12)
0927 #define MVPP22_PTP_TIMESTAMPQUEUESELECT BIT(18)
0928 
0929 /* BM constants */
0930 #define MVPP2_BM_JUMBO_BUF_NUM      2048
0931 #define MVPP2_BM_LONG_BUF_NUM       2048
0932 #define MVPP2_BM_SHORT_BUF_NUM      2048
0933 #define MVPP2_BM_POOL_SIZE_MAX      (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
0934 #define MVPP2_BM_POOL_PTR_ALIGN     128
0935 #define MVPP2_BM_MAX_POOLS      8
0936 
0937 /* BM cookie (32 bits) definition */
0938 #define MVPP2_BM_COOKIE_POOL_OFFS   8
0939 #define MVPP2_BM_COOKIE_CPU_OFFS    24
0940 
0941 #define MVPP2_BM_SHORT_FRAME_SIZE   736 /* frame size 128 */
0942 #define MVPP2_BM_LONG_FRAME_SIZE    2240    /* frame size 1664 */
0943 #define MVPP2_BM_JUMBO_FRAME_SIZE   10432   /* frame size 9856 */
0944 /* BM short pool packet size
0945  * These value assure that for SWF the total number
0946  * of bytes allocated for each buffer will be 512
0947  */
0948 #define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
0949 #define MVPP2_BM_LONG_PKT_SIZE  MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
0950 #define MVPP2_BM_JUMBO_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)
0951 
0952 #define MVPP21_ADDR_SPACE_SZ        0
0953 #define MVPP22_ADDR_SPACE_SZ        SZ_64K
0954 
0955 #define MVPP2_MAX_THREADS       9
0956 #define MVPP2_MAX_QVECS         MVPP2_MAX_THREADS
0957 
0958 /* GMAC MIB Counters register definitions */
0959 #define MVPP21_MIB_COUNTERS_OFFSET      0x1000
0960 #define MVPP21_MIB_COUNTERS_PORT_SZ     0x400
0961 #define MVPP22_MIB_COUNTERS_OFFSET      0x0
0962 #define MVPP22_MIB_COUNTERS_PORT_SZ     0x100
0963 
0964 #define MVPP2_MIB_GOOD_OCTETS_RCVD      0x0
0965 #define MVPP2_MIB_BAD_OCTETS_RCVD       0x8
0966 #define MVPP2_MIB_CRC_ERRORS_SENT       0xc
0967 #define MVPP2_MIB_UNICAST_FRAMES_RCVD       0x10
0968 #define MVPP2_MIB_BROADCAST_FRAMES_RCVD     0x18
0969 #define MVPP2_MIB_MULTICAST_FRAMES_RCVD     0x1c
0970 #define MVPP2_MIB_FRAMES_64_OCTETS      0x20
0971 #define MVPP2_MIB_FRAMES_65_TO_127_OCTETS   0x24
0972 #define MVPP2_MIB_FRAMES_128_TO_255_OCTETS  0x28
0973 #define MVPP2_MIB_FRAMES_256_TO_511_OCTETS  0x2c
0974 #define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS 0x30
0975 #define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS 0x34
0976 #define MVPP2_MIB_GOOD_OCTETS_SENT      0x38
0977 #define MVPP2_MIB_UNICAST_FRAMES_SENT       0x40
0978 #define MVPP2_MIB_MULTICAST_FRAMES_SENT     0x48
0979 #define MVPP2_MIB_BROADCAST_FRAMES_SENT     0x4c
0980 #define MVPP2_MIB_FC_SENT           0x54
0981 #define MVPP2_MIB_FC_RCVD           0x58
0982 #define MVPP2_MIB_RX_FIFO_OVERRUN       0x5c
0983 #define MVPP2_MIB_UNDERSIZE_RCVD        0x60
0984 #define MVPP2_MIB_FRAGMENTS_RCVD        0x64
0985 #define MVPP2_MIB_OVERSIZE_RCVD         0x68
0986 #define MVPP2_MIB_JABBER_RCVD           0x6c
0987 #define MVPP2_MIB_MAC_RCV_ERROR         0x70
0988 #define MVPP2_MIB_BAD_CRC_EVENT         0x74
0989 #define MVPP2_MIB_COLLISION         0x78
0990 #define MVPP2_MIB_LATE_COLLISION        0x7c
0991 
0992 #define MVPP2_MIB_COUNTERS_STATS_DELAY      (1 * HZ)
0993 
0994 #define MVPP2_DESC_DMA_MASK DMA_BIT_MASK(40)
0995 
0996 /* Buffer header info bits */
0997 #define MVPP2_B_HDR_INFO_MC_ID_MASK 0xfff
0998 #define MVPP2_B_HDR_INFO_MC_ID(info)    ((info) & MVPP2_B_HDR_INFO_MC_ID_MASK)
0999 #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 
1004 struct mvpp2_tai;
1005 
1006 /* Definitions */
1007 struct mvpp2_dbgfs_entries;
1008 
1009 struct mvpp2_rss_table {
1010     u32 indir[MVPP22_RSS_TABLE_ENTRIES];
1011 };
1012 
1013 struct 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 */
1028 struct 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 
1113 struct 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 */
1130 struct mvpp2_port_pcpu {
1131     struct hrtimer tx_done_timer;
1132     struct net_device *dev;
1133     bool timer_scheduled;
1134 };
1135 
1136 struct 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 */
1150 struct 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 
1175 struct mvpp2_ethtool_fs {
1176     struct mvpp2_rfs_rule rule;
1177     struct ethtool_rxnfc rxnfc;
1178 };
1179 
1180 struct mvpp2_hwtstamp_queue {
1181     struct sk_buff *skb[32];
1182     u8 next;
1183 };
1184 
1185 struct 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 */
1309 struct 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 */
1321 struct 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 */
1337 struct 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 */
1349 struct 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  */
1362 struct mvpp2_tx_desc {
1363     union {
1364         struct mvpp21_tx_desc pp21;
1365         struct mvpp22_tx_desc pp22;
1366     };
1367 };
1368 
1369 struct mvpp2_rx_desc {
1370     union {
1371         struct mvpp21_rx_desc pp21;
1372         struct mvpp22_rx_desc pp22;
1373     };
1374 };
1375 
1376 enum mvpp2_tx_buf_type {
1377     MVPP2_TYPE_SKB,
1378     MVPP2_TYPE_XDP_TX,
1379     MVPP2_TYPE_XDP_NDO,
1380 };
1381 
1382 struct 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 */
1399 struct 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 
1430 struct 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 
1461 struct 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 
1494 struct 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 
1527 void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
1528 u32 mvpp2_read(struct mvpp2 *priv, u32 offset);
1529 
1530 void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);
1531 
1532 void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);
1533 
1534 void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en);
1535 
1536 #ifdef CONFIG_MVPP2_PTP
1537 int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv);
1538 void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
1539                struct skb_shared_hwtstamps *hwtstamp);
1540 void mvpp22_tai_start(struct mvpp2_tai *tai);
1541 void mvpp22_tai_stop(struct mvpp2_tai *tai);
1542 int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai);
1543 #else
1544 static inline int mvpp22_tai_probe(struct device *dev, struct mvpp2 *priv)
1545 {
1546     return 0;
1547 }
1548 static inline void mvpp22_tai_tstamp(struct mvpp2_tai *tai, u32 tstamp,
1549                      struct skb_shared_hwtstamps *hwtstamp)
1550 {
1551 }
1552 static inline void mvpp22_tai_start(struct mvpp2_tai *tai)
1553 {
1554 }
1555 static inline void mvpp22_tai_stop(struct mvpp2_tai *tai)
1556 {
1557 }
1558 static inline int mvpp22_tai_ptp_clock_index(struct mvpp2_tai *tai)
1559 {
1560     return -1;
1561 }
1562 #endif
1563 
1564 static inline bool mvpp22_rx_hwtstamping(struct mvpp2_port *port)
1565 {
1566     return IS_ENABLED(CONFIG_MVPP2_PTP) && port->rx_hwtstamp;
1567 }
1568 
1569 #endif