Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Atmel MACB Ethernet Controller driver |
| 3 | * |
| 4 | * Copyright (C) 2004-2006 Atmel Corporation |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef _MACB_H |
| 11 | #define _MACB_H |
| 12 | |
Nicolas Ferre | d1d1b53 | 2012-10-31 06:04:56 +0000 | [diff] [blame] | 13 | #define MACB_GREGS_NBR 16 |
Nicolas Ferre | 7c39994 | 2015-03-31 15:02:04 +0200 | [diff] [blame] | 14 | #define MACB_GREGS_VERSION 2 |
Cyrille Pitchen | 02c958d | 2014-12-12 13:26:44 +0100 | [diff] [blame] | 15 | #define MACB_MAX_QUEUES 8 |
Nicolas Ferre | d1d1b53 | 2012-10-31 06:04:56 +0000 | [diff] [blame] | 16 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 17 | /* MACB register offsets */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 18 | #define MACB_NCR 0x0000 /* Network Control */ |
| 19 | #define MACB_NCFGR 0x0004 /* Network Config */ |
| 20 | #define MACB_NSR 0x0008 /* Network Status */ |
| 21 | #define MACB_TAR 0x000c /* AT91RM9200 only */ |
| 22 | #define MACB_TCR 0x0010 /* AT91RM9200 only */ |
| 23 | #define MACB_TSR 0x0014 /* Transmit Status */ |
| 24 | #define MACB_RBQP 0x0018 /* RX Q Base Address */ |
| 25 | #define MACB_TBQP 0x001c /* TX Q Base Address */ |
| 26 | #define MACB_RSR 0x0020 /* Receive Status */ |
| 27 | #define MACB_ISR 0x0024 /* Interrupt Status */ |
| 28 | #define MACB_IER 0x0028 /* Interrupt Enable */ |
| 29 | #define MACB_IDR 0x002c /* Interrupt Disable */ |
| 30 | #define MACB_IMR 0x0030 /* Interrupt Mask */ |
| 31 | #define MACB_MAN 0x0034 /* PHY Maintenance */ |
| 32 | #define MACB_PTR 0x0038 |
| 33 | #define MACB_PFR 0x003c |
| 34 | #define MACB_FTO 0x0040 |
| 35 | #define MACB_SCF 0x0044 |
| 36 | #define MACB_MCF 0x0048 |
| 37 | #define MACB_FRO 0x004c |
| 38 | #define MACB_FCSE 0x0050 |
| 39 | #define MACB_ALE 0x0054 |
| 40 | #define MACB_DTF 0x0058 |
| 41 | #define MACB_LCOL 0x005c |
| 42 | #define MACB_EXCOL 0x0060 |
| 43 | #define MACB_TUND 0x0064 |
| 44 | #define MACB_CSE 0x0068 |
| 45 | #define MACB_RRE 0x006c |
| 46 | #define MACB_ROVR 0x0070 |
| 47 | #define MACB_RSE 0x0074 |
| 48 | #define MACB_ELE 0x0078 |
| 49 | #define MACB_RJA 0x007c |
| 50 | #define MACB_USF 0x0080 |
| 51 | #define MACB_STE 0x0084 |
| 52 | #define MACB_RLE 0x0088 |
| 53 | #define MACB_TPF 0x008c |
| 54 | #define MACB_HRB 0x0090 |
| 55 | #define MACB_HRT 0x0094 |
| 56 | #define MACB_SA1B 0x0098 |
| 57 | #define MACB_SA1T 0x009c |
| 58 | #define MACB_SA2B 0x00a0 |
| 59 | #define MACB_SA2T 0x00a4 |
| 60 | #define MACB_SA3B 0x00a8 |
| 61 | #define MACB_SA3T 0x00ac |
| 62 | #define MACB_SA4B 0x00b0 |
| 63 | #define MACB_SA4T 0x00b4 |
| 64 | #define MACB_TID 0x00b8 |
| 65 | #define MACB_TPQ 0x00bc |
| 66 | #define MACB_USRIO 0x00c0 |
| 67 | #define MACB_WOL 0x00c4 |
| 68 | #define MACB_MID 0x00fc |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 69 | |
| 70 | /* GEM register offsets. */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 71 | #define GEM_NCFGR 0x0004 /* Network Config */ |
| 72 | #define GEM_USRIO 0x000c /* User IO */ |
| 73 | #define GEM_DMACFG 0x0010 /* DMA Configuration */ |
Harini Katakam | 98b5a0f4 | 2015-05-06 22:27:17 +0530 | [diff] [blame] | 74 | #define GEM_JML 0x0048 /* Jumbo Max Length */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 75 | #define GEM_HRB 0x0080 /* Hash Bottom */ |
| 76 | #define GEM_HRT 0x0084 /* Hash Top */ |
| 77 | #define GEM_SA1B 0x0088 /* Specific1 Bottom */ |
| 78 | #define GEM_SA1T 0x008C /* Specific1 Top */ |
| 79 | #define GEM_SA2B 0x0090 /* Specific2 Bottom */ |
| 80 | #define GEM_SA2T 0x0094 /* Specific2 Top */ |
| 81 | #define GEM_SA3B 0x0098 /* Specific3 Bottom */ |
| 82 | #define GEM_SA3T 0x009C /* Specific3 Top */ |
| 83 | #define GEM_SA4B 0x00A0 /* Specific4 Bottom */ |
| 84 | #define GEM_SA4T 0x00A4 /* Specific4 Top */ |
| 85 | #define GEM_OTX 0x0100 /* Octets transmitted */ |
| 86 | #define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */ |
| 87 | #define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */ |
| 88 | #define GEM_TXCNT 0x0108 /* Frames Transmitted counter */ |
| 89 | #define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */ |
| 90 | #define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */ |
| 91 | #define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */ |
| 92 | #define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */ |
| 93 | #define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */ |
| 94 | #define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */ |
| 95 | #define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */ |
| 96 | #define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */ |
| 97 | #define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */ |
| 98 | #define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */ |
| 99 | #define GEM_TXURUNCNT 0x0134 /* TX under run error counter */ |
| 100 | #define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */ |
| 101 | #define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */ |
| 102 | #define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */ |
| 103 | #define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */ |
| 104 | #define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */ |
| 105 | #define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */ |
| 106 | #define GEM_ORX 0x0150 /* Octets received */ |
| 107 | #define GEM_OCTRXL 0x0150 /* Octets received [31:0] */ |
| 108 | #define GEM_OCTRXH 0x0154 /* Octets received [47:32] */ |
| 109 | #define GEM_RXCNT 0x0158 /* Frames Received Counter */ |
| 110 | #define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */ |
| 111 | #define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */ |
| 112 | #define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */ |
| 113 | #define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */ |
| 114 | #define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */ |
| 115 | #define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */ |
| 116 | #define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */ |
| 117 | #define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */ |
| 118 | #define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */ |
| 119 | #define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */ |
| 120 | #define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */ |
| 121 | #define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */ |
| 122 | #define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */ |
| 123 | #define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */ |
| 124 | #define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */ |
| 125 | #define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */ |
| 126 | #define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */ |
| 127 | #define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */ |
| 128 | #define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */ |
| 129 | #define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */ |
| 130 | #define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */ |
| 131 | #define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */ |
| 132 | #define GEM_DCFG1 0x0280 /* Design Config 1 */ |
| 133 | #define GEM_DCFG2 0x0284 /* Design Config 2 */ |
| 134 | #define GEM_DCFG3 0x0288 /* Design Config 3 */ |
| 135 | #define GEM_DCFG4 0x028c /* Design Config 4 */ |
| 136 | #define GEM_DCFG5 0x0290 /* Design Config 5 */ |
| 137 | #define GEM_DCFG6 0x0294 /* Design Config 6 */ |
| 138 | #define GEM_DCFG7 0x0298 /* Design Config 7 */ |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 139 | |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 140 | #define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2)) |
| 141 | #define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2)) |
| 142 | #define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2)) |
| 143 | #define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2)) |
| 144 | #define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2)) |
| 145 | #define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2)) |
Cyrille Pitchen | 02c958d | 2014-12-12 13:26:44 +0100 | [diff] [blame] | 146 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 147 | /* Bitfields in NCR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 148 | #define MACB_LB_OFFSET 0 /* reserved */ |
| 149 | #define MACB_LB_SIZE 1 |
| 150 | #define MACB_LLB_OFFSET 1 /* Loop back local */ |
| 151 | #define MACB_LLB_SIZE 1 |
| 152 | #define MACB_RE_OFFSET 2 /* Receive enable */ |
| 153 | #define MACB_RE_SIZE 1 |
| 154 | #define MACB_TE_OFFSET 3 /* Transmit enable */ |
| 155 | #define MACB_TE_SIZE 1 |
| 156 | #define MACB_MPE_OFFSET 4 /* Management port enable */ |
| 157 | #define MACB_MPE_SIZE 1 |
| 158 | #define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */ |
| 159 | #define MACB_CLRSTAT_SIZE 1 |
| 160 | #define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */ |
| 161 | #define MACB_INCSTAT_SIZE 1 |
| 162 | #define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */ |
| 163 | #define MACB_WESTAT_SIZE 1 |
| 164 | #define MACB_BP_OFFSET 8 /* Back pressure */ |
| 165 | #define MACB_BP_SIZE 1 |
| 166 | #define MACB_TSTART_OFFSET 9 /* Start transmission */ |
| 167 | #define MACB_TSTART_SIZE 1 |
| 168 | #define MACB_THALT_OFFSET 10 /* Transmit halt */ |
| 169 | #define MACB_THALT_SIZE 1 |
| 170 | #define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */ |
| 171 | #define MACB_NCR_TPF_SIZE 1 |
| 172 | #define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ |
| 173 | #define MACB_TZQ_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 174 | |
| 175 | /* Bitfields in NCFGR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 176 | #define MACB_SPD_OFFSET 0 /* Speed */ |
| 177 | #define MACB_SPD_SIZE 1 |
| 178 | #define MACB_FD_OFFSET 1 /* Full duplex */ |
| 179 | #define MACB_FD_SIZE 1 |
| 180 | #define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */ |
| 181 | #define MACB_BIT_RATE_SIZE 1 |
| 182 | #define MACB_JFRAME_OFFSET 3 /* reserved */ |
| 183 | #define MACB_JFRAME_SIZE 1 |
| 184 | #define MACB_CAF_OFFSET 4 /* Copy all frames */ |
| 185 | #define MACB_CAF_SIZE 1 |
| 186 | #define MACB_NBC_OFFSET 5 /* No broadcast */ |
| 187 | #define MACB_NBC_SIZE 1 |
| 188 | #define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */ |
| 189 | #define MACB_NCFGR_MTI_SIZE 1 |
| 190 | #define MACB_UNI_OFFSET 7 /* Unicast hash enable */ |
| 191 | #define MACB_UNI_SIZE 1 |
| 192 | #define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */ |
| 193 | #define MACB_BIG_SIZE 1 |
| 194 | #define MACB_EAE_OFFSET 9 /* External address match enable */ |
| 195 | #define MACB_EAE_SIZE 1 |
| 196 | #define MACB_CLK_OFFSET 10 |
| 197 | #define MACB_CLK_SIZE 2 |
| 198 | #define MACB_RTY_OFFSET 12 /* Retry test */ |
| 199 | #define MACB_RTY_SIZE 1 |
| 200 | #define MACB_PAE_OFFSET 13 /* Pause enable */ |
| 201 | #define MACB_PAE_SIZE 1 |
| 202 | #define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */ |
| 203 | #define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ |
| 204 | #define MACB_RBOF_OFFSET 14 /* Receive buffer offset */ |
| 205 | #define MACB_RBOF_SIZE 2 |
| 206 | #define MACB_RLCE_OFFSET 16 /* Length field error frame discard */ |
| 207 | #define MACB_RLCE_SIZE 1 |
| 208 | #define MACB_DRFCS_OFFSET 17 /* FCS remove */ |
| 209 | #define MACB_DRFCS_SIZE 1 |
| 210 | #define MACB_EFRHD_OFFSET 18 |
| 211 | #define MACB_EFRHD_SIZE 1 |
| 212 | #define MACB_IRXFCS_OFFSET 19 |
| 213 | #define MACB_IRXFCS_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 214 | |
Jamie Iles | 70c9f3d | 2011-03-09 16:22:54 +0000 | [diff] [blame] | 215 | /* GEM specific NCFGR bitfields. */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 216 | #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ |
| 217 | #define GEM_GBE_SIZE 1 |
Punnaiah Choudary Kalluri | 022be25 | 2015-11-18 09:03:50 +0530 | [diff] [blame] | 218 | #define GEM_PCSSEL_OFFSET 11 |
| 219 | #define GEM_PCSSEL_SIZE 1 |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 220 | #define GEM_CLK_OFFSET 18 /* MDC clock division */ |
| 221 | #define GEM_CLK_SIZE 3 |
| 222 | #define GEM_DBW_OFFSET 21 /* Data bus width */ |
| 223 | #define GEM_DBW_SIZE 2 |
| 224 | #define GEM_RXCOEN_OFFSET 24 |
| 225 | #define GEM_RXCOEN_SIZE 1 |
Punnaiah Choudary Kalluri | 022be25 | 2015-11-18 09:03:50 +0530 | [diff] [blame] | 226 | #define GEM_SGMIIEN_OFFSET 27 |
| 227 | #define GEM_SGMIIEN_SIZE 1 |
| 228 | |
Jamie Iles | 757a03c | 2011-03-09 16:29:59 +0000 | [diff] [blame] | 229 | |
| 230 | /* Constants for data bus width. */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 231 | #define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ |
| 232 | #define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */ |
| 233 | #define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */ |
Jamie Iles | 757a03c | 2011-03-09 16:29:59 +0000 | [diff] [blame] | 234 | |
Jamie Iles | 0116da4 | 2011-03-14 17:38:30 +0000 | [diff] [blame] | 235 | /* Bitfields in DMACFG. */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 236 | #define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */ |
| 237 | #define GEM_FBLDO_SIZE 5 |
Arun Chandran | a50dad3 | 2015-02-18 16:59:35 +0530 | [diff] [blame] | 238 | #define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */ |
Arun Chandran | ea37304 | 2015-03-01 11:38:03 +0530 | [diff] [blame] | 239 | #define GEM_ENDIA_DESC_SIZE 1 |
Arun Chandran | a50dad3 | 2015-02-18 16:59:35 +0530 | [diff] [blame] | 240 | #define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */ |
Arun Chandran | ea37304 | 2015-03-01 11:38:03 +0530 | [diff] [blame] | 241 | #define GEM_ENDIA_PKT_SIZE 1 |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 242 | #define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */ |
| 243 | #define GEM_RXBMS_SIZE 2 |
| 244 | #define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */ |
| 245 | #define GEM_TXPBMS_SIZE 1 |
| 246 | #define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */ |
| 247 | #define GEM_TXCOEN_SIZE 1 |
| 248 | #define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */ |
| 249 | #define GEM_RXBS_SIZE 8 |
| 250 | #define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */ |
| 251 | #define GEM_DDRP_SIZE 1 |
Nicolas Ferre | b3e3bd71 | 2012-11-23 03:49:01 +0000 | [diff] [blame] | 252 | |
Jamie Iles | 0116da4 | 2011-03-14 17:38:30 +0000 | [diff] [blame] | 253 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 254 | /* Bitfields in NSR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 255 | #define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */ |
| 256 | #define MACB_NSR_LINK_SIZE 1 |
| 257 | #define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */ |
| 258 | #define MACB_MDIO_SIZE 1 |
| 259 | #define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */ |
| 260 | #define MACB_IDLE_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 261 | |
| 262 | /* Bitfields in TSR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 263 | #define MACB_UBR_OFFSET 0 /* Used bit read */ |
| 264 | #define MACB_UBR_SIZE 1 |
| 265 | #define MACB_COL_OFFSET 1 /* Collision occurred */ |
| 266 | #define MACB_COL_SIZE 1 |
| 267 | #define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */ |
| 268 | #define MACB_TSR_RLE_SIZE 1 |
| 269 | #define MACB_TGO_OFFSET 3 /* Transmit go */ |
| 270 | #define MACB_TGO_SIZE 1 |
| 271 | #define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */ |
| 272 | #define MACB_BEX_SIZE 1 |
| 273 | #define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ |
| 274 | #define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ |
| 275 | #define MACB_COMP_OFFSET 5 /* Trnasmit complete */ |
| 276 | #define MACB_COMP_SIZE 1 |
| 277 | #define MACB_UND_OFFSET 6 /* Trnasmit under run */ |
| 278 | #define MACB_UND_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 279 | |
| 280 | /* Bitfields in RSR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 281 | #define MACB_BNA_OFFSET 0 /* Buffer not available */ |
| 282 | #define MACB_BNA_SIZE 1 |
| 283 | #define MACB_REC_OFFSET 1 /* Frame received */ |
| 284 | #define MACB_REC_SIZE 1 |
| 285 | #define MACB_OVR_OFFSET 2 /* Receive overrun */ |
| 286 | #define MACB_OVR_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 287 | |
| 288 | /* Bitfields in ISR/IER/IDR/IMR */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 289 | #define MACB_MFD_OFFSET 0 /* Management frame sent */ |
| 290 | #define MACB_MFD_SIZE 1 |
| 291 | #define MACB_RCOMP_OFFSET 1 /* Receive complete */ |
| 292 | #define MACB_RCOMP_SIZE 1 |
| 293 | #define MACB_RXUBR_OFFSET 2 /* RX used bit read */ |
| 294 | #define MACB_RXUBR_SIZE 1 |
| 295 | #define MACB_TXUBR_OFFSET 3 /* TX used bit read */ |
| 296 | #define MACB_TXUBR_SIZE 1 |
| 297 | #define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */ |
| 298 | #define MACB_ISR_TUND_SIZE 1 |
| 299 | #define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */ |
| 300 | #define MACB_ISR_RLE_SIZE 1 |
| 301 | #define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */ |
| 302 | #define MACB_TXERR_SIZE 1 |
| 303 | #define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */ |
| 304 | #define MACB_TCOMP_SIZE 1 |
| 305 | #define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */ |
| 306 | #define MACB_ISR_LINK_SIZE 1 |
| 307 | #define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */ |
| 308 | #define MACB_ISR_ROVR_SIZE 1 |
| 309 | #define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */ |
| 310 | #define MACB_HRESP_SIZE 1 |
| 311 | #define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */ |
| 312 | #define MACB_PFR_SIZE 1 |
| 313 | #define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */ |
| 314 | #define MACB_PTZ_SIZE 1 |
Sergio Prado | 3e2a5e1 | 2016-02-09 12:07:16 -0200 | [diff] [blame] | 315 | #define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */ |
| 316 | #define MACB_WOL_SIZE 1 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 317 | |
| 318 | /* Bitfields in MAN */ |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 319 | #define MACB_DATA_OFFSET 0 /* data */ |
| 320 | #define MACB_DATA_SIZE 16 |
| 321 | #define MACB_CODE_OFFSET 16 /* Must be written to 10 */ |
| 322 | #define MACB_CODE_SIZE 2 |
| 323 | #define MACB_REGA_OFFSET 18 /* Register address */ |
| 324 | #define MACB_REGA_SIZE 5 |
| 325 | #define MACB_PHYA_OFFSET 23 /* PHY address */ |
| 326 | #define MACB_PHYA_SIZE 5 |
| 327 | #define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */ |
| 328 | #define MACB_RW_SIZE 2 |
| 329 | #define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */ |
| 330 | #define MACB_SOF_SIZE 2 |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 331 | |
Andrew Victor | 0cc8674 | 2007-02-07 16:40:44 +0100 | [diff] [blame] | 332 | /* Bitfields in USRIO (AVR32) */ |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 333 | #define MACB_MII_OFFSET 0 |
| 334 | #define MACB_MII_SIZE 1 |
| 335 | #define MACB_EAM_OFFSET 1 |
| 336 | #define MACB_EAM_SIZE 1 |
| 337 | #define MACB_TX_PAUSE_OFFSET 2 |
| 338 | #define MACB_TX_PAUSE_SIZE 1 |
| 339 | #define MACB_TX_PAUSE_ZERO_OFFSET 3 |
| 340 | #define MACB_TX_PAUSE_ZERO_SIZE 1 |
| 341 | |
Andrew Victor | 0cc8674 | 2007-02-07 16:40:44 +0100 | [diff] [blame] | 342 | /* Bitfields in USRIO (AT91) */ |
| 343 | #define MACB_RMII_OFFSET 0 |
| 344 | #define MACB_RMII_SIZE 1 |
Xander Huff | 5c2fa0f | 2015-01-13 16:15:50 -0600 | [diff] [blame] | 345 | #define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */ |
Patrice Vilchez | 140b755 | 2012-10-31 06:04:50 +0000 | [diff] [blame] | 346 | #define GEM_RGMII_SIZE 1 |
Andrew Victor | 0cc8674 | 2007-02-07 16:40:44 +0100 | [diff] [blame] | 347 | #define MACB_CLKEN_OFFSET 1 |
| 348 | #define MACB_CLKEN_SIZE 1 |
| 349 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 350 | /* Bitfields in WOL */ |
| 351 | #define MACB_IP_OFFSET 0 |
| 352 | #define MACB_IP_SIZE 16 |
| 353 | #define MACB_MAG_OFFSET 16 |
| 354 | #define MACB_MAG_SIZE 1 |
| 355 | #define MACB_ARP_OFFSET 17 |
| 356 | #define MACB_ARP_SIZE 1 |
| 357 | #define MACB_SA1_OFFSET 18 |
| 358 | #define MACB_SA1_SIZE 1 |
| 359 | #define MACB_WOL_MTI_OFFSET 19 |
| 360 | #define MACB_WOL_MTI_SIZE 1 |
| 361 | |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 362 | /* Bitfields in MID */ |
| 363 | #define MACB_IDNUM_OFFSET 16 |
Punnaiah Choudary Kalluri | d941beb | 2015-03-05 15:02:10 +0100 | [diff] [blame] | 364 | #define MACB_IDNUM_SIZE 12 |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 365 | #define MACB_REV_OFFSET 0 |
| 366 | #define MACB_REV_SIZE 16 |
| 367 | |
Jamie Iles | 757a03c | 2011-03-09 16:29:59 +0000 | [diff] [blame] | 368 | /* Bitfields in DCFG1. */ |
Nicolas Ferre | 581df9e | 2013-05-14 03:00:16 +0000 | [diff] [blame] | 369 | #define GEM_IRQCOR_OFFSET 23 |
| 370 | #define GEM_IRQCOR_SIZE 1 |
Jamie Iles | 757a03c | 2011-03-09 16:29:59 +0000 | [diff] [blame] | 371 | #define GEM_DBWDEF_OFFSET 25 |
| 372 | #define GEM_DBWDEF_SIZE 3 |
| 373 | |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 374 | /* Bitfields in DCFG2. */ |
| 375 | #define GEM_RX_PKT_BUFF_OFFSET 20 |
| 376 | #define GEM_RX_PKT_BUFF_SIZE 1 |
| 377 | #define GEM_TX_PKT_BUFF_OFFSET 21 |
| 378 | #define GEM_TX_PKT_BUFF_SIZE 1 |
| 379 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 380 | /* Constants for CLK */ |
| 381 | #define MACB_CLK_DIV8 0 |
| 382 | #define MACB_CLK_DIV16 1 |
| 383 | #define MACB_CLK_DIV32 2 |
| 384 | #define MACB_CLK_DIV64 3 |
| 385 | |
Jamie Iles | 70c9f3d | 2011-03-09 16:22:54 +0000 | [diff] [blame] | 386 | /* GEM specific constants for CLK. */ |
| 387 | #define GEM_CLK_DIV8 0 |
| 388 | #define GEM_CLK_DIV16 1 |
| 389 | #define GEM_CLK_DIV32 2 |
| 390 | #define GEM_CLK_DIV48 3 |
| 391 | #define GEM_CLK_DIV64 4 |
| 392 | #define GEM_CLK_DIV96 5 |
| 393 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 394 | /* Constants for MAN register */ |
| 395 | #define MACB_MAN_SOF 1 |
| 396 | #define MACB_MAN_WRITE 1 |
| 397 | #define MACB_MAN_READ 2 |
| 398 | #define MACB_MAN_CODE 2 |
| 399 | |
Nicolas Ferre | 581df9e | 2013-05-14 03:00:16 +0000 | [diff] [blame] | 400 | /* Capability mask bits */ |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 401 | #define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001 |
Boris BREZILLON | a848748 | 2015-03-07 07:23:30 +0100 | [diff] [blame] | 402 | #define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002 |
Nicolas Ferre | 6bdaa5e | 2016-03-10 16:44:32 +0100 | [diff] [blame] | 403 | #define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004 |
Nathan Sullivan | 222ca8e | 2015-05-22 09:22:10 -0500 | [diff] [blame] | 404 | #define MACB_CAPS_NO_GIGABIT_HALF 0x00000008 |
Neil Armstrong | ce721a7 | 2016-01-05 14:39:16 +0100 | [diff] [blame] | 405 | #define MACB_CAPS_USRIO_DISABLED 0x00000010 |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 406 | #define MACB_CAPS_FIFO_MODE 0x10000000 |
| 407 | #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 |
Cyrille Pitchen | a4c35ed3 | 2014-07-24 13:50:59 +0200 | [diff] [blame] | 408 | #define MACB_CAPS_SG_DISABLED 0x40000000 |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 409 | #define MACB_CAPS_MACB_IS_GEM 0x80000000 |
Harini Katakam | 9ece39a | 2015-07-23 15:44:25 +0530 | [diff] [blame] | 410 | #define MACB_CAPS_JUMBO 0x00000010 |
Nicolas Ferre | 581df9e | 2013-05-14 03:00:16 +0000 | [diff] [blame] | 411 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 412 | /* Bit manipulation macros */ |
| 413 | #define MACB_BIT(name) \ |
| 414 | (1 << MACB_##name##_OFFSET) |
| 415 | #define MACB_BF(name,value) \ |
| 416 | (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ |
| 417 | << MACB_##name##_OFFSET) |
| 418 | #define MACB_BFEXT(name,value)\ |
| 419 | (((value) >> MACB_##name##_OFFSET) \ |
| 420 | & ((1 << MACB_##name##_SIZE) - 1)) |
| 421 | #define MACB_BFINS(name,value,old) \ |
| 422 | (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ |
| 423 | << MACB_##name##_OFFSET)) \ |
| 424 | | MACB_BF(name,value)) |
| 425 | |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 426 | #define GEM_BIT(name) \ |
| 427 | (1 << GEM_##name##_OFFSET) |
| 428 | #define GEM_BF(name, value) \ |
| 429 | (((value) & ((1 << GEM_##name##_SIZE) - 1)) \ |
| 430 | << GEM_##name##_OFFSET) |
| 431 | #define GEM_BFEXT(name, value)\ |
| 432 | (((value) >> GEM_##name##_OFFSET) \ |
| 433 | & ((1 << GEM_##name##_SIZE) - 1)) |
| 434 | #define GEM_BFINS(name, value, old) \ |
| 435 | (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \ |
| 436 | << GEM_##name##_OFFSET)) \ |
| 437 | | GEM_BF(name, value)) |
| 438 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 439 | /* Register access macros */ |
David S. Miller | 7a6e070 | 2015-07-27 14:24:48 -0700 | [diff] [blame] | 440 | #define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg) |
| 441 | #define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value)) |
| 442 | #define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg) |
| 443 | #define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value)) |
| 444 | #define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg) |
| 445 | #define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value)) |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 446 | |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 447 | /* Conditional GEM/MACB macros. These perform the operation to the correct |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 448 | * register dependent on whether the device is a GEM or a MACB. For registers |
| 449 | * and bitfields that are common across both devices, use macb_{read,write}l |
| 450 | * to avoid the cost of the conditional. |
| 451 | */ |
| 452 | #define macb_or_gem_writel(__bp, __reg, __value) \ |
| 453 | ({ \ |
| 454 | if (macb_is_gem((__bp))) \ |
| 455 | gem_writel((__bp), __reg, __value); \ |
| 456 | else \ |
| 457 | macb_writel((__bp), __reg, __value); \ |
| 458 | }) |
| 459 | |
| 460 | #define macb_or_gem_readl(__bp, __reg) \ |
| 461 | ({ \ |
| 462 | u32 __v; \ |
| 463 | if (macb_is_gem((__bp))) \ |
| 464 | __v = gem_readl((__bp), __reg); \ |
| 465 | else \ |
| 466 | __v = macb_readl((__bp), __reg); \ |
| 467 | __v; \ |
| 468 | }) |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 469 | |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 470 | /* struct macb_dma_desc - Hardware DMA descriptor |
Havard Skinnemoen | 55054a1 | 2012-10-31 06:04:55 +0000 | [diff] [blame] | 471 | * @addr: DMA address of data buffer |
| 472 | * @ctrl: Control and status bits |
| 473 | */ |
| 474 | struct macb_dma_desc { |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 475 | u32 addr; |
| 476 | u32 ctrl; |
| 477 | }; |
| 478 | |
| 479 | /* DMA descriptor bitfields */ |
| 480 | #define MACB_RX_USED_OFFSET 0 |
| 481 | #define MACB_RX_USED_SIZE 1 |
| 482 | #define MACB_RX_WRAP_OFFSET 1 |
| 483 | #define MACB_RX_WRAP_SIZE 1 |
| 484 | #define MACB_RX_WADDR_OFFSET 2 |
| 485 | #define MACB_RX_WADDR_SIZE 30 |
| 486 | |
| 487 | #define MACB_RX_FRMLEN_OFFSET 0 |
| 488 | #define MACB_RX_FRMLEN_SIZE 12 |
| 489 | #define MACB_RX_OFFSET_OFFSET 12 |
| 490 | #define MACB_RX_OFFSET_SIZE 2 |
| 491 | #define MACB_RX_SOF_OFFSET 14 |
| 492 | #define MACB_RX_SOF_SIZE 1 |
| 493 | #define MACB_RX_EOF_OFFSET 15 |
| 494 | #define MACB_RX_EOF_SIZE 1 |
| 495 | #define MACB_RX_CFI_OFFSET 16 |
| 496 | #define MACB_RX_CFI_SIZE 1 |
| 497 | #define MACB_RX_VLAN_PRI_OFFSET 17 |
| 498 | #define MACB_RX_VLAN_PRI_SIZE 3 |
| 499 | #define MACB_RX_PRI_TAG_OFFSET 20 |
| 500 | #define MACB_RX_PRI_TAG_SIZE 1 |
| 501 | #define MACB_RX_VLAN_TAG_OFFSET 21 |
| 502 | #define MACB_RX_VLAN_TAG_SIZE 1 |
| 503 | #define MACB_RX_TYPEID_MATCH_OFFSET 22 |
| 504 | #define MACB_RX_TYPEID_MATCH_SIZE 1 |
| 505 | #define MACB_RX_SA4_MATCH_OFFSET 23 |
| 506 | #define MACB_RX_SA4_MATCH_SIZE 1 |
| 507 | #define MACB_RX_SA3_MATCH_OFFSET 24 |
| 508 | #define MACB_RX_SA3_MATCH_SIZE 1 |
| 509 | #define MACB_RX_SA2_MATCH_OFFSET 25 |
| 510 | #define MACB_RX_SA2_MATCH_SIZE 1 |
| 511 | #define MACB_RX_SA1_MATCH_OFFSET 26 |
| 512 | #define MACB_RX_SA1_MATCH_SIZE 1 |
| 513 | #define MACB_RX_EXT_MATCH_OFFSET 28 |
| 514 | #define MACB_RX_EXT_MATCH_SIZE 1 |
| 515 | #define MACB_RX_UHASH_MATCH_OFFSET 29 |
| 516 | #define MACB_RX_UHASH_MATCH_SIZE 1 |
| 517 | #define MACB_RX_MHASH_MATCH_OFFSET 30 |
| 518 | #define MACB_RX_MHASH_MATCH_SIZE 1 |
| 519 | #define MACB_RX_BROADCAST_OFFSET 31 |
| 520 | #define MACB_RX_BROADCAST_SIZE 1 |
| 521 | |
Harini Katakam | 98b5a0f4 | 2015-05-06 22:27:17 +0530 | [diff] [blame] | 522 | #define MACB_RX_FRMLEN_MASK 0xFFF |
| 523 | #define MACB_RX_JFRMLEN_MASK 0x3FFF |
| 524 | |
Cyrille Pitchen | 924ec53 | 2014-07-24 13:51:01 +0200 | [diff] [blame] | 525 | /* RX checksum offload disabled: bit 24 clear in NCFGR */ |
| 526 | #define GEM_RX_TYPEID_MATCH_OFFSET 22 |
| 527 | #define GEM_RX_TYPEID_MATCH_SIZE 2 |
| 528 | |
| 529 | /* RX checksum offload enabled: bit 24 set in NCFGR */ |
| 530 | #define GEM_RX_CSUM_OFFSET 22 |
| 531 | #define GEM_RX_CSUM_SIZE 2 |
| 532 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 533 | #define MACB_TX_FRMLEN_OFFSET 0 |
| 534 | #define MACB_TX_FRMLEN_SIZE 11 |
| 535 | #define MACB_TX_LAST_OFFSET 15 |
| 536 | #define MACB_TX_LAST_SIZE 1 |
| 537 | #define MACB_TX_NOCRC_OFFSET 16 |
| 538 | #define MACB_TX_NOCRC_SIZE 1 |
| 539 | #define MACB_TX_BUF_EXHAUSTED_OFFSET 27 |
| 540 | #define MACB_TX_BUF_EXHAUSTED_SIZE 1 |
| 541 | #define MACB_TX_UNDERRUN_OFFSET 28 |
| 542 | #define MACB_TX_UNDERRUN_SIZE 1 |
| 543 | #define MACB_TX_ERROR_OFFSET 29 |
| 544 | #define MACB_TX_ERROR_SIZE 1 |
| 545 | #define MACB_TX_WRAP_OFFSET 30 |
| 546 | #define MACB_TX_WRAP_SIZE 1 |
| 547 | #define MACB_TX_USED_OFFSET 31 |
| 548 | #define MACB_TX_USED_SIZE 1 |
| 549 | |
Cyrille Pitchen | a4c35ed3 | 2014-07-24 13:50:59 +0200 | [diff] [blame] | 550 | #define GEM_TX_FRMLEN_OFFSET 0 |
| 551 | #define GEM_TX_FRMLEN_SIZE 14 |
| 552 | |
Cyrille Pitchen | 924ec53 | 2014-07-24 13:51:01 +0200 | [diff] [blame] | 553 | /* Buffer descriptor constants */ |
| 554 | #define GEM_RX_CSUM_NONE 0 |
| 555 | #define GEM_RX_CSUM_IP_ONLY 1 |
| 556 | #define GEM_RX_CSUM_IP_TCP 2 |
| 557 | #define GEM_RX_CSUM_IP_UDP 3 |
| 558 | |
| 559 | /* limit RX checksum offload to TCP and UDP packets */ |
| 560 | #define GEM_RX_CSUM_CHECKED_MASK 2 |
| 561 | |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 562 | /* struct macb_tx_skb - data about an skb which is being transmitted |
Cyrille Pitchen | a4c35ed3 | 2014-07-24 13:50:59 +0200 | [diff] [blame] | 563 | * @skb: skb currently being transmitted, only set for the last buffer |
| 564 | * of the frame |
| 565 | * @mapping: DMA address of the skb's fragment buffer |
| 566 | * @size: size of the DMA mapped buffer |
| 567 | * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(), |
| 568 | * false when buffer was mapped with dma_map_single() |
Havard Skinnemoen | 55054a1 | 2012-10-31 06:04:55 +0000 | [diff] [blame] | 569 | */ |
| 570 | struct macb_tx_skb { |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 571 | struct sk_buff *skb; |
| 572 | dma_addr_t mapping; |
Cyrille Pitchen | a4c35ed3 | 2014-07-24 13:50:59 +0200 | [diff] [blame] | 573 | size_t size; |
| 574 | bool mapped_as_page; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 575 | }; |
| 576 | |
Xander Huff | 6f79eed | 2015-01-15 15:55:18 -0600 | [diff] [blame] | 577 | /* Hardware-collected statistics. Used when updating the network |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 578 | * device stats by a periodic timer. |
| 579 | */ |
| 580 | struct macb_stats { |
| 581 | u32 rx_pause_frames; |
| 582 | u32 tx_ok; |
| 583 | u32 tx_single_cols; |
| 584 | u32 tx_multiple_cols; |
| 585 | u32 rx_ok; |
| 586 | u32 rx_fcs_errors; |
| 587 | u32 rx_align_errors; |
| 588 | u32 tx_deferred; |
| 589 | u32 tx_late_cols; |
| 590 | u32 tx_excessive_cols; |
| 591 | u32 tx_underruns; |
| 592 | u32 tx_carrier_errors; |
| 593 | u32 rx_resource_errors; |
| 594 | u32 rx_overruns; |
| 595 | u32 rx_symbol_errors; |
| 596 | u32 rx_oversize_pkts; |
| 597 | u32 rx_jabbers; |
| 598 | u32 rx_undersize_pkts; |
| 599 | u32 sqe_test_errors; |
| 600 | u32 rx_length_mismatch; |
| 601 | u32 tx_pause_frames; |
| 602 | }; |
| 603 | |
Jamie Iles | a494ed8 | 2011-03-09 16:26:35 +0000 | [diff] [blame] | 604 | struct gem_stats { |
| 605 | u32 tx_octets_31_0; |
| 606 | u32 tx_octets_47_32; |
| 607 | u32 tx_frames; |
| 608 | u32 tx_broadcast_frames; |
| 609 | u32 tx_multicast_frames; |
| 610 | u32 tx_pause_frames; |
| 611 | u32 tx_64_byte_frames; |
| 612 | u32 tx_65_127_byte_frames; |
| 613 | u32 tx_128_255_byte_frames; |
| 614 | u32 tx_256_511_byte_frames; |
| 615 | u32 tx_512_1023_byte_frames; |
| 616 | u32 tx_1024_1518_byte_frames; |
| 617 | u32 tx_greater_than_1518_byte_frames; |
| 618 | u32 tx_underrun; |
| 619 | u32 tx_single_collision_frames; |
| 620 | u32 tx_multiple_collision_frames; |
| 621 | u32 tx_excessive_collisions; |
| 622 | u32 tx_late_collisions; |
| 623 | u32 tx_deferred_frames; |
| 624 | u32 tx_carrier_sense_errors; |
| 625 | u32 rx_octets_31_0; |
| 626 | u32 rx_octets_47_32; |
| 627 | u32 rx_frames; |
| 628 | u32 rx_broadcast_frames; |
| 629 | u32 rx_multicast_frames; |
| 630 | u32 rx_pause_frames; |
| 631 | u32 rx_64_byte_frames; |
| 632 | u32 rx_65_127_byte_frames; |
| 633 | u32 rx_128_255_byte_frames; |
| 634 | u32 rx_256_511_byte_frames; |
| 635 | u32 rx_512_1023_byte_frames; |
| 636 | u32 rx_1024_1518_byte_frames; |
| 637 | u32 rx_greater_than_1518_byte_frames; |
| 638 | u32 rx_undersized_frames; |
| 639 | u32 rx_oversize_frames; |
| 640 | u32 rx_jabbers; |
| 641 | u32 rx_frame_check_sequence_errors; |
| 642 | u32 rx_length_field_frame_errors; |
| 643 | u32 rx_symbol_errors; |
| 644 | u32 rx_alignment_errors; |
| 645 | u32 rx_resource_errors; |
| 646 | u32 rx_overruns; |
| 647 | u32 rx_ip_header_checksum_errors; |
| 648 | u32 rx_tcp_checksum_errors; |
| 649 | u32 rx_udp_checksum_errors; |
| 650 | }; |
| 651 | |
Xander Huff | 3ff13f1 | 2015-01-13 16:15:51 -0600 | [diff] [blame] | 652 | /* Describes the name and offset of an individual statistic register, as |
| 653 | * returned by `ethtool -S`. Also describes which net_device_stats statistics |
| 654 | * this register should contribute to. |
| 655 | */ |
| 656 | struct gem_statistic { |
| 657 | char stat_string[ETH_GSTRING_LEN]; |
| 658 | int offset; |
| 659 | u32 stat_bits; |
| 660 | }; |
| 661 | |
| 662 | /* Bitfield defs for net_device_stat statistics */ |
| 663 | #define GEM_NDS_RXERR_OFFSET 0 |
| 664 | #define GEM_NDS_RXLENERR_OFFSET 1 |
| 665 | #define GEM_NDS_RXOVERERR_OFFSET 2 |
| 666 | #define GEM_NDS_RXCRCERR_OFFSET 3 |
| 667 | #define GEM_NDS_RXFRAMEERR_OFFSET 4 |
| 668 | #define GEM_NDS_RXFIFOERR_OFFSET 5 |
| 669 | #define GEM_NDS_TXERR_OFFSET 6 |
| 670 | #define GEM_NDS_TXABORTEDERR_OFFSET 7 |
| 671 | #define GEM_NDS_TXCARRIERERR_OFFSET 8 |
| 672 | #define GEM_NDS_TXFIFOERR_OFFSET 9 |
| 673 | #define GEM_NDS_COLLISIONS_OFFSET 10 |
| 674 | |
| 675 | #define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0) |
| 676 | #define GEM_STAT_TITLE_BITS(name, title, bits) { \ |
| 677 | .stat_string = title, \ |
| 678 | .offset = GEM_##name, \ |
| 679 | .stat_bits = bits \ |
| 680 | } |
| 681 | |
| 682 | /* list of gem statistic registers. The names MUST match the |
| 683 | * corresponding GEM_* definitions. |
| 684 | */ |
| 685 | static const struct gem_statistic gem_statistics[] = { |
| 686 | GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */ |
| 687 | GEM_STAT_TITLE(TXCNT, "tx_frames"), |
| 688 | GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"), |
| 689 | GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"), |
| 690 | GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"), |
| 691 | GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"), |
| 692 | GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"), |
| 693 | GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"), |
| 694 | GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"), |
| 695 | GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"), |
| 696 | GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"), |
| 697 | GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"), |
| 698 | GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun", |
| 699 | GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)), |
| 700 | GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames", |
| 701 | GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| 702 | GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames", |
| 703 | GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| 704 | GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions", |
| 705 | GEM_BIT(NDS_TXERR)| |
| 706 | GEM_BIT(NDS_TXABORTEDERR)| |
| 707 | GEM_BIT(NDS_COLLISIONS)), |
| 708 | GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions", |
| 709 | GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| 710 | GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"), |
| 711 | GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors", |
| 712 | GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| 713 | GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */ |
| 714 | GEM_STAT_TITLE(RXCNT, "rx_frames"), |
| 715 | GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"), |
| 716 | GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"), |
| 717 | GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"), |
| 718 | GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"), |
| 719 | GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"), |
| 720 | GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"), |
| 721 | GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"), |
| 722 | GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"), |
| 723 | GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"), |
| 724 | GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"), |
| 725 | GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames", |
| 726 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| 727 | GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames", |
| 728 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| 729 | GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers", |
| 730 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| 731 | GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors", |
| 732 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)), |
| 733 | GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors", |
| 734 | GEM_BIT(NDS_RXERR)), |
| 735 | GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors", |
| 736 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)), |
| 737 | GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors", |
| 738 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), |
| 739 | GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors", |
| 740 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), |
| 741 | GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns", |
| 742 | GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)), |
| 743 | GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors", |
| 744 | GEM_BIT(NDS_RXERR)), |
| 745 | GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors", |
| 746 | GEM_BIT(NDS_RXERR)), |
| 747 | GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors", |
| 748 | GEM_BIT(NDS_RXERR)), |
| 749 | }; |
| 750 | |
| 751 | #define GEM_STATS_LEN ARRAY_SIZE(gem_statistics) |
| 752 | |
Nicolas Ferre | 4df9513 | 2013-06-04 21:57:12 +0000 | [diff] [blame] | 753 | struct macb; |
| 754 | |
| 755 | struct macb_or_gem_ops { |
| 756 | int (*mog_alloc_rx_buffers)(struct macb *bp); |
| 757 | void (*mog_free_rx_buffers)(struct macb *bp); |
| 758 | void (*mog_init_rings)(struct macb *bp); |
| 759 | int (*mog_rx)(struct macb *bp, int budget); |
| 760 | }; |
| 761 | |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 762 | struct macb_config { |
| 763 | u32 caps; |
| 764 | unsigned int dma_burst_length; |
Nicolas Ferre | c69618b | 2015-03-31 15:02:03 +0200 | [diff] [blame] | 765 | int (*clk_init)(struct platform_device *pdev, struct clk **pclk, |
| 766 | struct clk **hclk, struct clk **tx_clk); |
Cyrille Pitchen | 421d9df | 2015-03-07 07:23:32 +0100 | [diff] [blame] | 767 | int (*init)(struct platform_device *pdev); |
Harini Katakam | 98b5a0f4 | 2015-05-06 22:27:17 +0530 | [diff] [blame] | 768 | int jumbo_max_len; |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 769 | }; |
| 770 | |
Cyrille Pitchen | 02c958d | 2014-12-12 13:26:44 +0100 | [diff] [blame] | 771 | struct macb_queue { |
| 772 | struct macb *bp; |
| 773 | int irq; |
| 774 | |
| 775 | unsigned int ISR; |
| 776 | unsigned int IER; |
| 777 | unsigned int IDR; |
| 778 | unsigned int IMR; |
| 779 | unsigned int TBQP; |
| 780 | |
| 781 | unsigned int tx_head, tx_tail; |
| 782 | struct macb_dma_desc *tx_ring; |
| 783 | struct macb_tx_skb *tx_skb; |
| 784 | dma_addr_t tx_ring_dma; |
| 785 | struct work_struct tx_error_task; |
| 786 | }; |
| 787 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 788 | struct macb { |
| 789 | void __iomem *regs; |
Andy Shevchenko | f2ce8a9 | 2015-07-24 21:23:59 +0300 | [diff] [blame] | 790 | bool native_io; |
| 791 | |
| 792 | /* hardware IO accessors */ |
David S. Miller | 7a6e070 | 2015-07-27 14:24:48 -0700 | [diff] [blame] | 793 | u32 (*macb_reg_readl)(struct macb *bp, int offset); |
| 794 | void (*macb_reg_writel)(struct macb *bp, int offset, u32 value); |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 795 | |
| 796 | unsigned int rx_tail; |
Nicolas Ferre | 4df9513 | 2013-06-04 21:57:12 +0000 | [diff] [blame] | 797 | unsigned int rx_prepared_head; |
Havard Skinnemoen | 55054a1 | 2012-10-31 06:04:55 +0000 | [diff] [blame] | 798 | struct macb_dma_desc *rx_ring; |
Nicolas Ferre | 4df9513 | 2013-06-04 21:57:12 +0000 | [diff] [blame] | 799 | struct sk_buff **rx_skbuff; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 800 | void *rx_buffers; |
Nicolas Ferre | 1b44791 | 2013-06-04 21:57:11 +0000 | [diff] [blame] | 801 | size_t rx_buffer_size; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 802 | |
Cyrille Pitchen | 02c958d | 2014-12-12 13:26:44 +0100 | [diff] [blame] | 803 | unsigned int num_queues; |
Nicolas Ferre | bfa0914 | 2015-03-31 15:01:59 +0200 | [diff] [blame] | 804 | unsigned int queue_mask; |
Cyrille Pitchen | 02c958d | 2014-12-12 13:26:44 +0100 | [diff] [blame] | 805 | struct macb_queue queues[MACB_MAX_QUEUES]; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 806 | |
| 807 | spinlock_t lock; |
| 808 | struct platform_device *pdev; |
| 809 | struct clk *pclk; |
| 810 | struct clk *hclk; |
Soren Brinkmann | e1824df | 2013-12-10 16:07:23 -0800 | [diff] [blame] | 811 | struct clk *tx_clk; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 812 | struct net_device *dev; |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 813 | struct napi_struct napi; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 814 | struct net_device_stats stats; |
Jamie Iles | a494ed8 | 2011-03-09 16:26:35 +0000 | [diff] [blame] | 815 | union { |
| 816 | struct macb_stats macb; |
| 817 | struct gem_stats gem; |
| 818 | } hw_stats; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 819 | |
| 820 | dma_addr_t rx_ring_dma; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 821 | dma_addr_t rx_buffers_dma; |
| 822 | |
Nicolas Ferre | 4df9513 | 2013-06-04 21:57:12 +0000 | [diff] [blame] | 823 | struct macb_or_gem_ops macbgem_ops; |
| 824 | |
Lennert Buytenhek | 298cf9be | 2008-10-08 16:29:57 -0700 | [diff] [blame] | 825 | struct mii_bus *mii_bus; |
Andy Shevchenko | 8bcbf82 | 2015-07-24 21:24:02 +0300 | [diff] [blame] | 826 | int link; |
| 827 | int speed; |
| 828 | int duplex; |
Jean-Christophe PLAGNIOL-VILLARD | fb97a84 | 2011-11-18 15:29:25 +0100 | [diff] [blame] | 829 | |
Nicolas Ferre | 581df9e | 2013-05-14 03:00:16 +0000 | [diff] [blame] | 830 | u32 caps; |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 831 | unsigned int dma_burst_length; |
Nicolas Ferre | 581df9e | 2013-05-14 03:00:16 +0000 | [diff] [blame] | 832 | |
Jean-Christophe PLAGNIOL-VILLARD | fb97a84 | 2011-11-18 15:29:25 +0100 | [diff] [blame] | 833 | phy_interface_t phy_interface; |
Gregory CLEMENT | 5833e05 | 2015-12-11 11:34:53 +0100 | [diff] [blame] | 834 | struct gpio_desc *reset_gpio; |
Joachim Eastwood | b85008b | 2012-10-18 11:01:10 +0000 | [diff] [blame] | 835 | |
Joachim Eastwood | 4dda6f6 | 2012-11-07 08:14:55 +0000 | [diff] [blame] | 836 | /* AT91RM9200 transmit */ |
Joachim Eastwood | b85008b | 2012-10-18 11:01:10 +0000 | [diff] [blame] | 837 | struct sk_buff *skb; /* holds skb until xmit interrupt completes */ |
| 838 | dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ |
| 839 | int skb_length; /* saved skb length for pci_unmap_single */ |
Cyrille Pitchen | a4c35ed3 | 2014-07-24 13:50:59 +0200 | [diff] [blame] | 840 | unsigned int max_tx_length; |
Xander Huff | 3ff13f1 | 2015-01-13 16:15:51 -0600 | [diff] [blame] | 841 | |
| 842 | u64 ethtool_stats[GEM_STATS_LEN]; |
Harini Katakam | 98b5a0f4 | 2015-05-06 22:27:17 +0530 | [diff] [blame] | 843 | |
| 844 | unsigned int rx_frm_len_mask; |
| 845 | unsigned int jumbo_max_len; |
Sergio Prado | 3e2a5e1 | 2016-02-09 12:07:16 -0200 | [diff] [blame] | 846 | |
| 847 | u32 wol; |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 848 | }; |
| 849 | |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 850 | static inline bool macb_is_gem(struct macb *bp) |
| 851 | { |
Nicolas Ferre | e175587 | 2014-07-24 13:50:58 +0200 | [diff] [blame] | 852 | return !!(bp->caps & MACB_CAPS_MACB_IS_GEM); |
Jamie Iles | f75ba50 | 2011-11-08 10:12:32 +0000 | [diff] [blame] | 853 | } |
| 854 | |
Haavard Skinnemoen | 89e5785 | 2006-11-09 14:51:17 +0100 | [diff] [blame] | 855 | #endif /* _MACB_H */ |