1 #ifndef _BGMAC_H 2 #define _BGMAC_H 3 4 #include <linux/bcma/bcma.h> 5 #include <linux/brcmphy.h> 6 #include <linux/netdevice.h> 7 8 #define BGMAC_DEV_CTL 0x000 9 #define BGMAC_DC_TSM 0x00000002 10 #define BGMAC_DC_CFCO 0x00000004 11 #define BGMAC_DC_RLSS 0x00000008 12 #define BGMAC_DC_MROR 0x00000010 13 #define BGMAC_DC_FCM_MASK 0x00000060 14 #define BGMAC_DC_FCM_SHIFT 5 15 #define BGMAC_DC_NAE 0x00000080 16 #define BGMAC_DC_TF 0x00000100 17 #define BGMAC_DC_RDS_MASK 0x00030000 18 #define BGMAC_DC_RDS_SHIFT 16 19 #define BGMAC_DC_TDS_MASK 0x000c0000 20 #define BGMAC_DC_TDS_SHIFT 18 21 #define BGMAC_DEV_STATUS 0x004 /* Configuration of the interface */ 22 #define BGMAC_DS_RBF 0x00000001 23 #define BGMAC_DS_RDF 0x00000002 24 #define BGMAC_DS_RIF 0x00000004 25 #define BGMAC_DS_TBF 0x00000008 26 #define BGMAC_DS_TDF 0x00000010 27 #define BGMAC_DS_TIF 0x00000020 28 #define BGMAC_DS_PO 0x00000040 29 #define BGMAC_DS_MM_MASK 0x00000300 /* Mode of the interface */ 30 #define BGMAC_DS_MM_SHIFT 8 31 #define BGMAC_BIST_STATUS 0x00c 32 #define BGMAC_INT_STATUS 0x020 /* Interrupt status */ 33 #define BGMAC_IS_MRO 0x00000001 34 #define BGMAC_IS_MTO 0x00000002 35 #define BGMAC_IS_TFD 0x00000004 36 #define BGMAC_IS_LS 0x00000008 37 #define BGMAC_IS_MDIO 0x00000010 38 #define BGMAC_IS_MR 0x00000020 39 #define BGMAC_IS_MT 0x00000040 40 #define BGMAC_IS_TO 0x00000080 41 #define BGMAC_IS_DESC_ERR 0x00000400 /* Descriptor error */ 42 #define BGMAC_IS_DATA_ERR 0x00000800 /* Data error */ 43 #define BGMAC_IS_DESC_PROT_ERR 0x00001000 /* Descriptor protocol error */ 44 #define BGMAC_IS_RX_DESC_UNDERF 0x00002000 /* Receive descriptor underflow */ 45 #define BGMAC_IS_RX_F_OVERF 0x00004000 /* Receive FIFO overflow */ 46 #define BGMAC_IS_TX_F_UNDERF 0x00008000 /* Transmit FIFO underflow */ 47 #define BGMAC_IS_RX 0x00010000 /* Interrupt for RX queue 0 */ 48 #define BGMAC_IS_TX0 0x01000000 /* Interrupt for TX queue 0 */ 49 #define BGMAC_IS_TX1 0x02000000 /* Interrupt for TX queue 1 */ 50 #define BGMAC_IS_TX2 0x04000000 /* Interrupt for TX queue 2 */ 51 #define BGMAC_IS_TX3 0x08000000 /* Interrupt for TX queue 3 */ 52 #define BGMAC_IS_TX_MASK 0x0f000000 53 #define BGMAC_IS_INTMASK 0x0f01fcff 54 #define BGMAC_IS_ERRMASK 0x0000fc00 55 #define BGMAC_INT_MASK 0x024 /* Interrupt mask */ 56 #define BGMAC_GP_TIMER 0x028 57 #define BGMAC_INT_RECV_LAZY 0x100 58 #define BGMAC_IRL_TO_MASK 0x00ffffff 59 #define BGMAC_IRL_FC_MASK 0xff000000 60 #define BGMAC_IRL_FC_SHIFT 24 /* Shift the number of interrupts triggered per received frame */ 61 #define BGMAC_FLOW_CTL_THRESH 0x104 /* Flow control thresholds */ 62 #define BGMAC_WRRTHRESH 0x108 63 #define BGMAC_GMAC_IDLE_CNT_THRESH 0x10c 64 #define BGMAC_PHY_ACCESS 0x180 /* PHY access address */ 65 #define BGMAC_PA_DATA_MASK 0x0000ffff 66 #define BGMAC_PA_ADDR_MASK 0x001f0000 67 #define BGMAC_PA_ADDR_SHIFT 16 68 #define BGMAC_PA_REG_MASK 0x1f000000 69 #define BGMAC_PA_REG_SHIFT 24 70 #define BGMAC_PA_WRITE 0x20000000 71 #define BGMAC_PA_START 0x40000000 72 #define BGMAC_PHY_CNTL 0x188 /* PHY control address */ 73 #define BGMAC_PC_EPA_MASK 0x0000001f 74 #define BGMAC_PC_MCT_MASK 0x007f0000 75 #define BGMAC_PC_MCT_SHIFT 16 76 #define BGMAC_PC_MTE 0x00800000 77 #define BGMAC_TXQ_CTL 0x18c 78 #define BGMAC_TXQ_CTL_DBT_MASK 0x00000fff 79 #define BGMAC_TXQ_CTL_DBT_SHIFT 0 80 #define BGMAC_RXQ_CTL 0x190 81 #define BGMAC_RXQ_CTL_DBT_MASK 0x00000fff 82 #define BGMAC_RXQ_CTL_DBT_SHIFT 0 83 #define BGMAC_RXQ_CTL_PTE 0x00001000 84 #define BGMAC_RXQ_CTL_MDP_MASK 0x3f000000 85 #define BGMAC_RXQ_CTL_MDP_SHIFT 24 86 #define BGMAC_GPIO_SELECT 0x194 87 #define BGMAC_GPIO_OUTPUT_EN 0x198 88 89 /* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */ 90 #define BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ 0x00000100 91 #define BGMAC_BCMA_CLKCTLST_MISC_PLL_ST 0x01000000 92 93 #define BGMAC_HW_WAR 0x1e4 94 #define BGMAC_PWR_CTL 0x1e8 95 #define BGMAC_DMA_BASE0 0x200 /* Tx and Rx controller */ 96 #define BGMAC_DMA_BASE1 0x240 /* Tx controller only */ 97 #define BGMAC_DMA_BASE2 0x280 /* Tx controller only */ 98 #define BGMAC_DMA_BASE3 0x2C0 /* Tx controller only */ 99 #define BGMAC_TX_GOOD_OCTETS 0x300 100 #define BGMAC_TX_GOOD_OCTETS_HIGH 0x304 101 #define BGMAC_TX_GOOD_PKTS 0x308 102 #define BGMAC_TX_OCTETS 0x30c 103 #define BGMAC_TX_OCTETS_HIGH 0x310 104 #define BGMAC_TX_PKTS 0x314 105 #define BGMAC_TX_BROADCAST_PKTS 0x318 106 #define BGMAC_TX_MULTICAST_PKTS 0x31c 107 #define BGMAC_TX_LEN_64 0x320 108 #define BGMAC_TX_LEN_65_TO_127 0x324 109 #define BGMAC_TX_LEN_128_TO_255 0x328 110 #define BGMAC_TX_LEN_256_TO_511 0x32c 111 #define BGMAC_TX_LEN_512_TO_1023 0x330 112 #define BGMAC_TX_LEN_1024_TO_1522 0x334 113 #define BGMAC_TX_LEN_1523_TO_2047 0x338 114 #define BGMAC_TX_LEN_2048_TO_4095 0x33c 115 #define BGMAC_TX_LEN_4096_TO_8191 0x340 116 #define BGMAC_TX_LEN_8192_TO_MAX 0x344 117 #define BGMAC_TX_JABBER_PKTS 0x348 /* Error */ 118 #define BGMAC_TX_OVERSIZE_PKTS 0x34c /* Error */ 119 #define BGMAC_TX_FRAGMENT_PKTS 0x350 120 #define BGMAC_TX_UNDERRUNS 0x354 /* Error */ 121 #define BGMAC_TX_TOTAL_COLS 0x358 122 #define BGMAC_TX_SINGLE_COLS 0x35c 123 #define BGMAC_TX_MULTIPLE_COLS 0x360 124 #define BGMAC_TX_EXCESSIVE_COLS 0x364 /* Error */ 125 #define BGMAC_TX_LATE_COLS 0x368 /* Error */ 126 #define BGMAC_TX_DEFERED 0x36c 127 #define BGMAC_TX_CARRIER_LOST 0x370 128 #define BGMAC_TX_PAUSE_PKTS 0x374 129 #define BGMAC_TX_UNI_PKTS 0x378 130 #define BGMAC_TX_Q0_PKTS 0x37c 131 #define BGMAC_TX_Q0_OCTETS 0x380 132 #define BGMAC_TX_Q0_OCTETS_HIGH 0x384 133 #define BGMAC_TX_Q1_PKTS 0x388 134 #define BGMAC_TX_Q1_OCTETS 0x38c 135 #define BGMAC_TX_Q1_OCTETS_HIGH 0x390 136 #define BGMAC_TX_Q2_PKTS 0x394 137 #define BGMAC_TX_Q2_OCTETS 0x398 138 #define BGMAC_TX_Q2_OCTETS_HIGH 0x39c 139 #define BGMAC_TX_Q3_PKTS 0x3a0 140 #define BGMAC_TX_Q3_OCTETS 0x3a4 141 #define BGMAC_TX_Q3_OCTETS_HIGH 0x3a8 142 #define BGMAC_RX_GOOD_OCTETS 0x3b0 143 #define BGMAC_RX_GOOD_OCTETS_HIGH 0x3b4 144 #define BGMAC_RX_GOOD_PKTS 0x3b8 145 #define BGMAC_RX_OCTETS 0x3bc 146 #define BGMAC_RX_OCTETS_HIGH 0x3c0 147 #define BGMAC_RX_PKTS 0x3c4 148 #define BGMAC_RX_BROADCAST_PKTS 0x3c8 149 #define BGMAC_RX_MULTICAST_PKTS 0x3cc 150 #define BGMAC_RX_LEN_64 0x3d0 151 #define BGMAC_RX_LEN_65_TO_127 0x3d4 152 #define BGMAC_RX_LEN_128_TO_255 0x3d8 153 #define BGMAC_RX_LEN_256_TO_511 0x3dc 154 #define BGMAC_RX_LEN_512_TO_1023 0x3e0 155 #define BGMAC_RX_LEN_1024_TO_1522 0x3e4 156 #define BGMAC_RX_LEN_1523_TO_2047 0x3e8 157 #define BGMAC_RX_LEN_2048_TO_4095 0x3ec 158 #define BGMAC_RX_LEN_4096_TO_8191 0x3f0 159 #define BGMAC_RX_LEN_8192_TO_MAX 0x3f4 160 #define BGMAC_RX_JABBER_PKTS 0x3f8 /* Error */ 161 #define BGMAC_RX_OVERSIZE_PKTS 0x3fc /* Error */ 162 #define BGMAC_RX_FRAGMENT_PKTS 0x400 163 #define BGMAC_RX_MISSED_PKTS 0x404 /* Error */ 164 #define BGMAC_RX_CRC_ALIGN_ERRS 0x408 /* Error */ 165 #define BGMAC_RX_UNDERSIZE 0x40c /* Error */ 166 #define BGMAC_RX_CRC_ERRS 0x410 /* Error */ 167 #define BGMAC_RX_ALIGN_ERRS 0x414 /* Error */ 168 #define BGMAC_RX_SYMBOL_ERRS 0x418 /* Error */ 169 #define BGMAC_RX_PAUSE_PKTS 0x41c 170 #define BGMAC_RX_NONPAUSE_PKTS 0x420 171 #define BGMAC_RX_SACHANGES 0x424 172 #define BGMAC_RX_UNI_PKTS 0x428 173 #define BGMAC_UNIMAC_VERSION 0x800 174 #define BGMAC_HDBKP_CTL 0x804 175 #define BGMAC_CMDCFG 0x808 /* Configuration */ 176 #define BGMAC_CMDCFG_TE 0x00000001 /* Set to activate TX */ 177 #define BGMAC_CMDCFG_RE 0x00000002 /* Set to activate RX */ 178 #define BGMAC_CMDCFG_ES_MASK 0x0000000c /* Ethernet speed see gmac_speed */ 179 #define BGMAC_CMDCFG_ES_10 0x00000000 180 #define BGMAC_CMDCFG_ES_100 0x00000004 181 #define BGMAC_CMDCFG_ES_1000 0x00000008 182 #define BGMAC_CMDCFG_ES_2500 0x0000000C 183 #define BGMAC_CMDCFG_PROM 0x00000010 /* Set to activate promiscuous mode */ 184 #define BGMAC_CMDCFG_PAD_EN 0x00000020 185 #define BGMAC_CMDCFG_CF 0x00000040 186 #define BGMAC_CMDCFG_PF 0x00000080 187 #define BGMAC_CMDCFG_RPI 0x00000100 /* Unset to enable 802.3x tx flow control */ 188 #define BGMAC_CMDCFG_TAI 0x00000200 189 #define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */ 190 #define BGMAC_CMDCFG_HD_SHIFT 10 191 #define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for core rev 0-3 */ 192 #define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, for core rev >= 4 */ 193 #define BGMAC_CMDCFG_SR(rev) ((rev >= 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) 194 #define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */ 195 #define BGMAC_CMDCFG_AE 0x00400000 196 #define BGMAC_CMDCFG_CFE 0x00800000 197 #define BGMAC_CMDCFG_NLC 0x01000000 198 #define BGMAC_CMDCFG_RL 0x02000000 199 #define BGMAC_CMDCFG_RED 0x04000000 200 #define BGMAC_CMDCFG_PE 0x08000000 201 #define BGMAC_CMDCFG_TPI 0x10000000 202 #define BGMAC_CMDCFG_AT 0x20000000 203 #define BGMAC_MACADDR_HIGH 0x80c /* High 4 octets of own mac address */ 204 #define BGMAC_MACADDR_LOW 0x810 /* Low 2 octets of own mac address */ 205 #define BGMAC_RXMAX_LENGTH 0x814 /* Max receive frame length with vlan tag */ 206 #define BGMAC_PAUSEQUANTA 0x818 207 #define BGMAC_MAC_MODE 0x844 208 #define BGMAC_OUTERTAG 0x848 209 #define BGMAC_INNERTAG 0x84c 210 #define BGMAC_TXIPG 0x85c 211 #define BGMAC_PAUSE_CTL 0xb30 212 #define BGMAC_TX_FLUSH 0xb34 213 #define BGMAC_RX_STATUS 0xb38 214 #define BGMAC_TX_STATUS 0xb3c 215 216 /* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */ 217 #define BGMAC_BCMA_IOCTL_SW_CLKEN 0x00000004 /* PHY Clock Enable */ 218 #define BGMAC_BCMA_IOCTL_SW_RESET 0x00000008 /* PHY Reset */ 219 220 /* BCMA GMAC core specific IO status (BCMA_IOST) flags */ 221 #define BGMAC_BCMA_IOST_ATTACHED 0x00000800 222 223 #define BGMAC_NUM_MIB_TX_REGS \ 224 (((BGMAC_TX_Q3_OCTETS_HIGH - BGMAC_TX_GOOD_OCTETS) / 4) + 1) 225 #define BGMAC_NUM_MIB_RX_REGS \ 226 (((BGMAC_RX_UNI_PKTS - BGMAC_RX_GOOD_OCTETS) / 4) + 1) 227 228 #define BGMAC_DMA_TX_CTL 0x00 229 #define BGMAC_DMA_TX_ENABLE 0x00000001 230 #define BGMAC_DMA_TX_SUSPEND 0x00000002 231 #define BGMAC_DMA_TX_LOOPBACK 0x00000004 232 #define BGMAC_DMA_TX_FLUSH 0x00000010 233 #define BGMAC_DMA_TX_MR_MASK 0x000000C0 /* Multiple outstanding reads */ 234 #define BGMAC_DMA_TX_MR_SHIFT 6 235 #define BGMAC_DMA_TX_MR_1 0 236 #define BGMAC_DMA_TX_MR_2 1 237 #define BGMAC_DMA_TX_PARITY_DISABLE 0x00000800 238 #define BGMAC_DMA_TX_ADDREXT_MASK 0x00030000 239 #define BGMAC_DMA_TX_ADDREXT_SHIFT 16 240 #define BGMAC_DMA_TX_BL_MASK 0x001C0000 /* BurstLen bits */ 241 #define BGMAC_DMA_TX_BL_SHIFT 18 242 #define BGMAC_DMA_TX_BL_16 0 243 #define BGMAC_DMA_TX_BL_32 1 244 #define BGMAC_DMA_TX_BL_64 2 245 #define BGMAC_DMA_TX_BL_128 3 246 #define BGMAC_DMA_TX_BL_256 4 247 #define BGMAC_DMA_TX_BL_512 5 248 #define BGMAC_DMA_TX_BL_1024 6 249 #define BGMAC_DMA_TX_PC_MASK 0x00E00000 /* Prefetch control */ 250 #define BGMAC_DMA_TX_PC_SHIFT 21 251 #define BGMAC_DMA_TX_PC_0 0 252 #define BGMAC_DMA_TX_PC_4 1 253 #define BGMAC_DMA_TX_PC_8 2 254 #define BGMAC_DMA_TX_PC_16 3 255 #define BGMAC_DMA_TX_PT_MASK 0x03000000 /* Prefetch threshold */ 256 #define BGMAC_DMA_TX_PT_SHIFT 24 257 #define BGMAC_DMA_TX_PT_1 0 258 #define BGMAC_DMA_TX_PT_2 1 259 #define BGMAC_DMA_TX_PT_4 2 260 #define BGMAC_DMA_TX_PT_8 3 261 #define BGMAC_DMA_TX_INDEX 0x04 262 #define BGMAC_DMA_TX_RINGLO 0x08 263 #define BGMAC_DMA_TX_RINGHI 0x0C 264 #define BGMAC_DMA_TX_STATUS 0x10 265 #define BGMAC_DMA_TX_STATDPTR 0x00001FFF 266 #define BGMAC_DMA_TX_STAT 0xF0000000 267 #define BGMAC_DMA_TX_STAT_DISABLED 0x00000000 268 #define BGMAC_DMA_TX_STAT_ACTIVE 0x10000000 269 #define BGMAC_DMA_TX_STAT_IDLEWAIT 0x20000000 270 #define BGMAC_DMA_TX_STAT_STOPPED 0x30000000 271 #define BGMAC_DMA_TX_STAT_SUSP 0x40000000 272 #define BGMAC_DMA_TX_ERROR 0x14 273 #define BGMAC_DMA_TX_ERRDPTR 0x0001FFFF 274 #define BGMAC_DMA_TX_ERR 0xF0000000 275 #define BGMAC_DMA_TX_ERR_NOERR 0x00000000 276 #define BGMAC_DMA_TX_ERR_PROT 0x10000000 277 #define BGMAC_DMA_TX_ERR_UNDERRUN 0x20000000 278 #define BGMAC_DMA_TX_ERR_TRANSFER 0x30000000 279 #define BGMAC_DMA_TX_ERR_DESCREAD 0x40000000 280 #define BGMAC_DMA_TX_ERR_CORE 0x50000000 281 #define BGMAC_DMA_RX_CTL 0x20 282 #define BGMAC_DMA_RX_ENABLE 0x00000001 283 #define BGMAC_DMA_RX_FRAME_OFFSET_MASK 0x000000FE 284 #define BGMAC_DMA_RX_FRAME_OFFSET_SHIFT 1 285 #define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100 286 #define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400 287 #define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800 288 #define BGMAC_DMA_RX_MR_MASK 0x000000C0 /* Multiple outstanding reads */ 289 #define BGMAC_DMA_RX_MR_SHIFT 6 290 #define BGMAC_DMA_TX_MR_1 0 291 #define BGMAC_DMA_TX_MR_2 1 292 #define BGMAC_DMA_RX_ADDREXT_MASK 0x00030000 293 #define BGMAC_DMA_RX_ADDREXT_SHIFT 16 294 #define BGMAC_DMA_RX_BL_MASK 0x001C0000 /* BurstLen bits */ 295 #define BGMAC_DMA_RX_BL_SHIFT 18 296 #define BGMAC_DMA_RX_BL_16 0 297 #define BGMAC_DMA_RX_BL_32 1 298 #define BGMAC_DMA_RX_BL_64 2 299 #define BGMAC_DMA_RX_BL_128 3 300 #define BGMAC_DMA_RX_BL_256 4 301 #define BGMAC_DMA_RX_BL_512 5 302 #define BGMAC_DMA_RX_BL_1024 6 303 #define BGMAC_DMA_RX_PC_MASK 0x00E00000 /* Prefetch control */ 304 #define BGMAC_DMA_RX_PC_SHIFT 21 305 #define BGMAC_DMA_RX_PC_0 0 306 #define BGMAC_DMA_RX_PC_4 1 307 #define BGMAC_DMA_RX_PC_8 2 308 #define BGMAC_DMA_RX_PC_16 3 309 #define BGMAC_DMA_RX_PT_MASK 0x03000000 /* Prefetch threshold */ 310 #define BGMAC_DMA_RX_PT_SHIFT 24 311 #define BGMAC_DMA_RX_PT_1 0 312 #define BGMAC_DMA_RX_PT_2 1 313 #define BGMAC_DMA_RX_PT_4 2 314 #define BGMAC_DMA_RX_PT_8 3 315 #define BGMAC_DMA_RX_INDEX 0x24 316 #define BGMAC_DMA_RX_RINGLO 0x28 317 #define BGMAC_DMA_RX_RINGHI 0x2C 318 #define BGMAC_DMA_RX_STATUS 0x30 319 #define BGMAC_DMA_RX_STATDPTR 0x00001FFF 320 #define BGMAC_DMA_RX_STAT 0xF0000000 321 #define BGMAC_DMA_RX_STAT_DISABLED 0x00000000 322 #define BGMAC_DMA_RX_STAT_ACTIVE 0x10000000 323 #define BGMAC_DMA_RX_STAT_IDLEWAIT 0x20000000 324 #define BGMAC_DMA_RX_STAT_STOPPED 0x30000000 325 #define BGMAC_DMA_RX_STAT_SUSP 0x40000000 326 #define BGMAC_DMA_RX_ERROR 0x34 327 #define BGMAC_DMA_RX_ERRDPTR 0x0001FFFF 328 #define BGMAC_DMA_RX_ERR 0xF0000000 329 #define BGMAC_DMA_RX_ERR_NOERR 0x00000000 330 #define BGMAC_DMA_RX_ERR_PROT 0x10000000 331 #define BGMAC_DMA_RX_ERR_UNDERRUN 0x20000000 332 #define BGMAC_DMA_RX_ERR_TRANSFER 0x30000000 333 #define BGMAC_DMA_RX_ERR_DESCREAD 0x40000000 334 #define BGMAC_DMA_RX_ERR_CORE 0x50000000 335 336 #define BGMAC_DESC_CTL0_EOT 0x10000000 /* End of ring */ 337 #define BGMAC_DESC_CTL0_IOC 0x20000000 /* IRQ on complete */ 338 #define BGMAC_DESC_CTL0_EOF 0x40000000 /* End of frame */ 339 #define BGMAC_DESC_CTL0_SOF 0x80000000 /* Start of frame */ 340 #define BGMAC_DESC_CTL1_LEN 0x00001FFF 341 342 #define BGMAC_PHY_NOREGS BRCM_PSEUDO_PHY_ADDR 343 #define BGMAC_PHY_MASK 0x1F 344 345 #define BGMAC_MAX_TX_RINGS 4 346 #define BGMAC_MAX_RX_RINGS 1 347 348 #define BGMAC_TX_RING_SLOTS 128 349 #define BGMAC_RX_RING_SLOTS 512 350 351 #define BGMAC_RX_HEADER_LEN 28 /* Last 24 bytes are unused. Well... */ 352 #define BGMAC_RX_FRAME_OFFSET 30 /* There are 2 unused bytes between header and real data */ 353 #define BGMAC_RX_BUF_OFFSET (NET_SKB_PAD + NET_IP_ALIGN - \ 354 BGMAC_RX_FRAME_OFFSET) 355 #define BGMAC_RX_MAX_FRAME_SIZE 1536 /* Copied from b44/tg3 */ 356 #define BGMAC_RX_BUF_SIZE (BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE) 357 #define BGMAC_RX_ALLOC_SIZE (SKB_DATA_ALIGN(BGMAC_RX_BUF_SIZE + BGMAC_RX_BUF_OFFSET) + \ 358 SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) 359 360 #define BGMAC_BFL_ENETROBO 0x0010 /* has ephy roboswitch spi */ 361 #define BGMAC_BFL_ENETADM 0x0080 /* has ADMtek switch */ 362 #define BGMAC_BFL_ENETVLAN 0x0100 /* can do vlan */ 363 364 #define BGMAC_CHIPCTL_1_IF_TYPE_MASK 0x00000030 365 #define BGMAC_CHIPCTL_1_IF_TYPE_RMII 0x00000000 366 #define BGMAC_CHIPCTL_1_IF_TYPE_MII 0x00000010 367 #define BGMAC_CHIPCTL_1_IF_TYPE_RGMII 0x00000020 368 #define BGMAC_CHIPCTL_1_SW_TYPE_MASK 0x000000C0 369 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHY 0x00000000 370 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII 0x00000040 371 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII 0x00000080 372 #define BGMAC_CHIPCTL_1_SW_TYPE_RGMII 0x000000C0 373 #define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS 0x00010000 374 375 #define BGMAC_WEIGHT 64 376 377 #define ETHER_MAX_LEN 1518 378 379 struct bgmac_slot_info { 380 union { 381 struct sk_buff *skb; 382 void *buf; 383 }; 384 dma_addr_t dma_addr; 385 }; 386 387 struct bgmac_dma_desc { 388 __le32 ctl0; 389 __le32 ctl1; 390 __le32 addr_low; 391 __le32 addr_high; 392 } __packed; 393 394 enum bgmac_dma_ring_type { 395 BGMAC_DMA_RING_TX, 396 BGMAC_DMA_RING_RX, 397 }; 398 399 /** 400 * bgmac_dma_ring - contains info about DMA ring (either TX or RX one) 401 * @start: index of the first slot containing data 402 * @end: index of a slot that can *not* be read (yet) 403 * 404 * Be really aware of the specific @end meaning. It's an index of a slot *after* 405 * the one containing data that can be read. If @start equals @end the ring is 406 * empty. 407 */ 408 struct bgmac_dma_ring { 409 u32 start; 410 u32 end; 411 412 struct bgmac_dma_desc *cpu_base; 413 dma_addr_t dma_base; 414 u32 index_base; /* Used for unaligned rings only, otherwise 0 */ 415 u16 mmio_base; 416 bool unaligned; 417 418 struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS]; 419 }; 420 421 struct bgmac_rx_header { 422 __le16 len; 423 __le16 flags; 424 __le16 pad[12]; 425 }; 426 427 struct bgmac { 428 struct bcma_device *core; 429 struct bcma_device *cmn; /* Reference to CMN core for BCM4706 */ 430 431 struct device *dev; 432 struct device *dma_dev; 433 struct net_device *net_dev; 434 struct napi_struct napi; 435 struct mii_bus *mii_bus; 436 437 /* DMA */ 438 struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS]; 439 struct bgmac_dma_ring rx_ring[BGMAC_MAX_RX_RINGS]; 440 441 /* Stats */ 442 bool stats_grabbed; 443 u32 mib_tx_regs[BGMAC_NUM_MIB_TX_REGS]; 444 u32 mib_rx_regs[BGMAC_NUM_MIB_RX_REGS]; 445 446 /* Int */ 447 u32 int_mask; 448 449 /* Current MAC state */ 450 int mac_speed; 451 int mac_duplex; 452 453 u8 phyaddr; 454 bool has_robosw; 455 456 bool loopback; 457 }; 458 459 static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset) 460 { 461 return bcma_read32(bgmac->core, offset); 462 } 463 464 static inline void bgmac_write(struct bgmac *bgmac, u16 offset, u32 value) 465 { 466 bcma_write32(bgmac->core, offset, value); 467 } 468 469 static inline void bgmac_maskset(struct bgmac *bgmac, u16 offset, u32 mask, 470 u32 set) 471 { 472 bgmac_write(bgmac, offset, (bgmac_read(bgmac, offset) & mask) | set); 473 } 474 475 static inline void bgmac_mask(struct bgmac *bgmac, u16 offset, u32 mask) 476 { 477 bgmac_maskset(bgmac, offset, mask, 0); 478 } 479 480 static inline void bgmac_set(struct bgmac *bgmac, u16 offset, u32 set) 481 { 482 bgmac_maskset(bgmac, offset, ~0, set); 483 } 484 #endif /* _BGMAC_H */ 485