1 /* 2 * Faraday USB 2.0 OTG Controller 3 * 4 * (C) Copyright 2010 Faraday Technology 5 * Dante Su <dantesu@faraday-tech.com> 6 * 7 * This file is released under the terms of GPL v2 and any later version. 8 * See the file COPYING in the root directory of the source tree for details. 9 */ 10 11 #ifndef _FOTG210_H 12 #define _FOTG210_H 13 14 struct fotg210_regs { 15 /* USB Host Controller */ 16 struct { 17 uint32_t data[4]; 18 } hccr; /* 0x00 - 0x0f: hccr */ 19 struct { 20 uint32_t data[9]; 21 } hcor; /* 0x10 - 0x33: hcor */ 22 uint32_t rsvd1[3]; 23 uint32_t miscr; /* 0x40: Miscellaneous Register */ 24 uint32_t rsvd2[15]; 25 /* USB OTG Controller */ 26 uint32_t otgcsr;/* 0x80: OTG Control Status Register */ 27 uint32_t otgisr;/* 0x84: OTG Interrupt Status Register */ 28 uint32_t otgier;/* 0x88: OTG Interrupt Enable Register */ 29 uint32_t rsvd3[13]; 30 uint32_t isr; /* 0xC0: Global Interrupt Status Register */ 31 uint32_t imr; /* 0xC4: Global Interrupt Mask Register */ 32 uint32_t rsvd4[14]; 33 /* USB Device Controller */ 34 uint32_t dev_ctrl;/* 0x100: Device Control Register */ 35 uint32_t dev_addr;/* 0x104: Device Address Register */ 36 uint32_t dev_test;/* 0x108: Device Test Register */ 37 uint32_t sof_fnr; /* 0x10c: SOF Frame Number Register */ 38 uint32_t sof_mtr; /* 0x110: SOF Mask Timer Register */ 39 uint32_t phy_tmsr;/* 0x114: PHY Test Mode Selector Register */ 40 uint32_t rsvd5[2]; 41 uint32_t cxfifo;/* 0x120: CX FIFO Register */ 42 uint32_t idle; /* 0x124: IDLE Counter Register */ 43 uint32_t rsvd6[2]; 44 uint32_t gimr; /* 0x130: Group Interrupt Mask Register */ 45 uint32_t gimr0; /* 0x134: Group Interrupt Mask Register 0 */ 46 uint32_t gimr1; /* 0x138: Group Interrupt Mask Register 1 */ 47 uint32_t gimr2; /* 0x13c: Group Interrupt Mask Register 2 */ 48 uint32_t gisr; /* 0x140: Group Interrupt Status Register */ 49 uint32_t gisr0; /* 0x144: Group Interrupt Status Register 0 */ 50 uint32_t gisr1; /* 0x148: Group Interrupt Status Register 1 */ 51 uint32_t gisr2; /* 0x14c: Group Interrupt Status Register 2 */ 52 uint32_t rxzlp; /* 0x150: Receive Zero-Length-Packet Register */ 53 uint32_t txzlp; /* 0x154: Transfer Zero-Length-Packet Register */ 54 uint32_t isoeasr;/* 0x158: ISOC Error/Abort Status Register */ 55 uint32_t rsvd7[1]; 56 uint32_t iep[8]; /* 0x160 - 0x17f: IN Endpoint Register */ 57 uint32_t oep[8]; /* 0x180 - 0x19f: OUT Endpoint Register */ 58 uint32_t epmap14;/* 0x1a0: Endpoint Map Register (EP1 ~ 4) */ 59 uint32_t epmap58;/* 0x1a4: Endpoint Map Register (EP5 ~ 8) */ 60 uint32_t fifomap;/* 0x1a8: FIFO Map Register */ 61 uint32_t fifocfg; /* 0x1ac: FIFO Configuration Register */ 62 uint32_t fifocsr[4];/* 0x1b0 - 0x1bf: FIFO Control Status Register */ 63 uint32_t dma_fifo; /* 0x1c0: DMA Target FIFO Register */ 64 uint32_t rsvd8[1]; 65 uint32_t dma_ctrl; /* 0x1c8: DMA Control Register */ 66 uint32_t dma_addr; /* 0x1cc: DMA Address Register */ 67 uint32_t ep0_data; /* 0x1d0: EP0 Setup Packet PIO Register */ 68 }; 69 70 /* Miscellaneous Register */ 71 #define MISCR_SUSPEND (1 << 6) /* Put transceiver in suspend mode */ 72 #define MISCR_EOF2(x) (((x) & 0x3) << 4) /* EOF 2 Timing */ 73 #define MISCR_EOF1(x) (((x) & 0x3) << 2) /* EOF 1 Timing */ 74 #define MISCR_ASST(x) (((x) & 0x3) << 0) /* Async. Sched. Sleep Timer */ 75 76 /* OTG Control Status Register */ 77 #define OTGCSR_SPD_HIGH (2 << 22) /* Speed of the attached device (host) */ 78 #define OTGCSR_SPD_LOW (1 << 22) 79 #define OTGCSR_SPD_FULL (0 << 22) 80 #define OTGCSR_SPD_MASK (3 << 22) 81 #define OTGCSR_SPD_SHIFT 22 82 #define OTGCSR_SPD(x) (((x) >> 22) & 0x03) 83 #define OTGCSR_DEV_A (0 << 21) /* Acts as A-device */ 84 #define OTGCSR_DEV_B (1 << 21) /* Acts as B-device */ 85 #define OTGCSR_ROLE_H (0 << 20) /* Acts as Host */ 86 #define OTGCSR_ROLE_D (1 << 20) /* Acts as Device */ 87 #define OTGCSR_A_VBUS_VLD (1 << 19) /* A-device VBUS Valid */ 88 #define OTGCSR_A_SESS_VLD (1 << 18) /* A-device Session Valid */ 89 #define OTGCSR_B_SESS_VLD (1 << 17) /* B-device Session Valid */ 90 #define OTGCSR_B_SESS_END (1 << 16) /* B-device Session End */ 91 #define OTGCSR_HFT_LONG (1 << 11) /* HDISCON noise filter = 270 us*/ 92 #define OTGCSR_HFT (0 << 11) /* HDISCON noise filter = 135 us*/ 93 #define OTGCSR_VFT_LONG (1 << 10) /* VBUS noise filter = 472 us*/ 94 #define OTGCSR_VFT (0 << 10) /* VBUS noise filter = 135 us*/ 95 #define OTGCSR_IDFT_LONG (1 << 9) /* ID noise filter = 4 ms*/ 96 #define OTGCSR_IDFT (0 << 9) /* ID noise filter = 3 ms*/ 97 #define OTGCSR_A_SRPR_VBUS (0 << 8) /* A-device: SRP responds to VBUS */ 98 #define OTGCSR_A_SRPR_DATA (1 << 8) /* A-device: SRP responds to DATA-LINE */ 99 #define OTGCSR_A_SRP_EN (1 << 7) /* A-device SRP detection enabled */ 100 #define OTGCSR_A_HNP (1 << 6) /* Set role=A-device with HNP enabled */ 101 #define OTGCSR_A_BUSDROP (1 << 5) /* A-device drop bus (power-down) */ 102 #define OTGCSR_A_BUSREQ (1 << 4) /* A-device request bus */ 103 #define OTGCSR_B_VBUS_DISC (1 << 2) /* B-device discharges VBUS */ 104 #define OTGCSR_B_HNP (1 << 1) /* B-device enable HNP */ 105 #define OTGCSR_B_BUSREQ (1 << 0) /* B-device request bus */ 106 107 /* OTG Interrupt Status Register */ 108 #define OTGISR_APRM (1 << 12) /* Mini-A plug removed */ 109 #define OTGISR_BPRM (1 << 11) /* Mini-B plug removed */ 110 #define OTGISR_OVD (1 << 10) /* over-current detected */ 111 #define OTGISR_IDCHG (1 << 9) /* ID(A/B) changed */ 112 #define OTGISR_RLCHG (1 << 8) /* Role(Host/Device) changed */ 113 #define OTGISR_BSESSEND (1 << 6) /* B-device Session End */ 114 #define OTGISR_AVBUSERR (1 << 5) /* A-device VBUS Error */ 115 #define OTGISR_ASRP (1 << 4) /* A-device SRP detected */ 116 #define OTGISR_BSRP (1 << 0) /* B-device SRP complete */ 117 118 /* OTG Interrupt Enable Register */ 119 #define OTGIER_APRM (1 << 12) /* Mini-A plug removed */ 120 #define OTGIER_BPRM (1 << 11) /* Mini-B plug removed */ 121 #define OTGIER_OVD (1 << 10) /* over-current detected */ 122 #define OTGIER_IDCHG (1 << 9) /* ID(A/B) changed */ 123 #define OTGIER_RLCHG (1 << 8) /* Role(Host/Device) changed */ 124 #define OTGIER_BSESSEND (1 << 6) /* B-device Session End */ 125 #define OTGIER_AVBUSERR (1 << 5) /* A-device VBUS Error */ 126 #define OTGIER_ASRP (1 << 4) /* A-device SRP detected */ 127 #define OTGIER_BSRP (1 << 0) /* B-device SRP complete */ 128 129 /* Global Interrupt Status Register (W1C) */ 130 #define ISR_HOST (1 << 2) /* USB Host interrupt */ 131 #define ISR_OTG (1 << 1) /* USB OTG interrupt */ 132 #define ISR_DEV (1 << 0) /* USB Device interrupt */ 133 #define ISR_MASK 0x07 134 135 /* Global Interrupt Mask Register */ 136 #define IMR_IRQLH (1 << 3) /* Interrupt triggered at level-high */ 137 #define IMR_IRQLL (0 << 3) /* Interrupt triggered at level-low */ 138 #define IMR_HOST (1 << 2) /* USB Host interrupt */ 139 #define IMR_OTG (1 << 1) /* USB OTG interrupt */ 140 #define IMR_DEV (1 << 0) /* USB Device interrupt */ 141 #define IMR_MASK 0x0f 142 143 /* Device Control Register */ 144 #define DEVCTRL_FS_FORCED (1 << 9) /* Forced to be Full-Speed Mode */ 145 #define DEVCTRL_HS (1 << 6) /* High Speed Mode */ 146 #define DEVCTRL_FS (0 << 6) /* Full Speed Mode */ 147 #define DEVCTRL_EN (1 << 5) /* Chip Enable */ 148 #define DEVCTRL_RESET (1 << 4) /* Chip Software Reset */ 149 #define DEVCTRL_SUSPEND (1 << 3) /* Enter Suspend Mode */ 150 #define DEVCTRL_GIRQ_EN (1 << 2) /* Global Interrupt Enabled */ 151 #define DEVCTRL_HALFSPD (1 << 1) /* Half speed mode for FPGA test */ 152 #define DEVCTRL_RWAKEUP (1 << 0) /* Enable remote wake-up */ 153 154 /* Device Address Register */ 155 #define DEVADDR_CONF (1 << 7) /* SET_CONFIGURATION has been executed */ 156 #define DEVADDR_ADDR(x) ((x) & 0x7f) 157 #define DEVADDR_ADDR_MASK 0x7f 158 159 /* Device Test Register */ 160 #define DEVTEST_NOSOF (1 << 6) /* Do not generate SOF */ 161 #define DEVTEST_TST_MODE (1 << 5) /* Enter Test Mode */ 162 #define DEVTEST_TST_NOTS (1 << 4) /* Do not toggle sequence */ 163 #define DEVTEST_TST_NOCRC (1 << 3) /* Do not append CRC */ 164 #define DEVTEST_TST_CLREA (1 << 2) /* Clear External Side Address */ 165 #define DEVTEST_TST_CXLP (1 << 1) /* EP0 loopback test */ 166 #define DEVTEST_TST_CLRFF (1 << 0) /* Clear FIFO */ 167 168 /* SOF Frame Number Register */ 169 #define SOFFNR_UFN(x) (((x) >> 11) & 0x7) /* SOF Micro-Frame Number */ 170 #define SOFFNR_FNR(x) ((x) & 0x7ff) /* SOF Frame Number */ 171 172 /* SOF Mask Timer Register */ 173 #define SOFMTR_TMR(x) ((x) & 0xffff) 174 175 /* PHY Test Mode Selector Register */ 176 #define PHYTMSR_TST_PKT (1 << 4) /* Packet send test */ 177 #define PHYTMSR_TST_SE0NAK (1 << 3) /* High-Speed quiescent state */ 178 #define PHYTMSR_TST_KSTA (1 << 2) /* High-Speed K state */ 179 #define PHYTMSR_TST_JSTA (1 << 1) /* High-Speed J state */ 180 #define PHYTMSR_UNPLUG (1 << 0) /* Enable soft-detachment */ 181 182 /* CX FIFO Register */ 183 #define CXFIFO_BYTES(x) (((x) >> 24) & 0x7f) /* CX/EP0 FIFO byte count */ 184 #define CXFIFO_FIFOE(x) (1 << (((x) & 0x03) + 8)) /* EPx FIFO empty */ 185 #define CXFIFO_FIFOE_FIFO0 (1 << 8) 186 #define CXFIFO_FIFOE_FIFO1 (1 << 9) 187 #define CXFIFO_FIFOE_FIFO2 (1 << 10) 188 #define CXFIFO_FIFOE_FIFO3 (1 << 11) 189 #define CXFIFO_FIFOE_MASK (0x0f << 8) 190 #define CXFIFO_CXFIFOE (1 << 5) /* CX FIFO empty */ 191 #define CXFIFO_CXFIFOF (1 << 4) /* CX FIFO full */ 192 #define CXFIFO_CXFIFOCLR (1 << 3) /* CX FIFO clear */ 193 #define CXFIFO_CXSTALL (1 << 2) /* CX Stall */ 194 #define CXFIFO_TSTPKTFIN (1 << 1) /* Test packet data transfer finished */ 195 #define CXFIFO_CXFIN (1 << 0) /* CX data transfer finished */ 196 197 /* IDLE Counter Register */ 198 #define IDLE_MS(x) ((x) & 0x07) /* PHY suspend delay = x ms */ 199 200 /* Group Interrupt Mask(Disable) Register */ 201 #define GIMR_GRP2 (1 << 2) /* Disable interrupt group 2 */ 202 #define GIMR_GRP1 (1 << 1) /* Disable interrupt group 1 */ 203 #define GIMR_GRP0 (1 << 0) /* Disable interrupt group 0 */ 204 #define GIMR_MASK 0x07 205 206 /* Group Interrupt Mask(Disable) Register 0 (CX) */ 207 #define GIMR0_CXABORT (1 << 5) /* CX command abort interrupt */ 208 #define GIMR0_CXERR (1 << 4) /* CX command error interrupt */ 209 #define GIMR0_CXEND (1 << 3) /* CX command end interrupt */ 210 #define GIMR0_CXOUT (1 << 2) /* EP0-OUT packet interrupt */ 211 #define GIMR0_CXIN (1 << 1) /* EP0-IN packet interrupt */ 212 #define GIMR0_CXSETUP (1 << 0) /* EP0-SETUP packet interrupt */ 213 #define GIMR0_MASK 0x3f 214 215 /* Group Interrupt Mask(Disable) Register 1 (FIFO) */ 216 #define GIMR1_FIFO_IN(x) (1 << (((x) & 3) + 16)) /* FIFOx IN */ 217 #define GIMR1_FIFO_TX(x) GIMR1_FIFO_IN(x) 218 #define GIMR1_FIFO_OUT(x) (1 << (((x) & 3) * 2)) /* FIFOx OUT */ 219 #define GIMR1_FIFO_SPK(x) (1 << (((x) & 3) * 2 + 1)) /* FIFOx SHORT PACKET */ 220 #define GIMR1_FIFO_RX(x) (GIMR1_FIFO_OUT(x) | GIMR1_FIFO_SPK(x)) 221 #define GIMR1_MASK 0xf00ff 222 223 /* Group Interrupt Mask(Disable) Register 2 (Device) */ 224 #define GIMR2_WAKEUP (1 << 10) /* Device waked up */ 225 #define GIMR2_IDLE (1 << 9) /* Device idle */ 226 #define GIMR2_DMAERR (1 << 8) /* DMA error */ 227 #define GIMR2_DMAFIN (1 << 7) /* DMA finished */ 228 #define GIMR2_ZLPRX (1 << 6) /* Zero-Length-Packet Rx Interrupt */ 229 #define GIMR2_ZLPTX (1 << 5) /* Zero-Length-Packet Tx Interrupt */ 230 #define GIMR2_ISOCABT (1 << 4) /* ISOC Abort Interrupt */ 231 #define GIMR2_ISOCERR (1 << 3) /* ISOC Error Interrupt */ 232 #define GIMR2_RESUME (1 << 2) /* Resume state change Interrupt */ 233 #define GIMR2_SUSPEND (1 << 1) /* Suspend state change Interrupt */ 234 #define GIMR2_RESET (1 << 0) /* Reset Interrupt */ 235 #define GIMR2_MASK 0x7ff 236 237 /* Group Interrupt Status Register */ 238 #define GISR_GRP2 (1 << 2) /* Interrupt group 2 */ 239 #define GISR_GRP1 (1 << 1) /* Interrupt group 1 */ 240 #define GISR_GRP0 (1 << 0) /* Interrupt group 0 */ 241 242 /* Group Interrupt Status Register 0 (CX) */ 243 #define GISR0_CXABORT (1 << 5) /* CX command abort interrupt */ 244 #define GISR0_CXERR (1 << 4) /* CX command error interrupt */ 245 #define GISR0_CXEND (1 << 3) /* CX command end interrupt */ 246 #define GISR0_CXOUT (1 << 2) /* EP0-OUT packet interrupt */ 247 #define GISR0_CXIN (1 << 1) /* EP0-IN packet interrupt */ 248 #define GISR0_CXSETUP (1 << 0) /* EP0-SETUP packet interrupt */ 249 250 /* Group Interrupt Status Register 1 (FIFO) */ 251 #define GISR1_IN_FIFO(x) (1 << (((x) & 0x03) + 16)) /* FIFOx IN */ 252 #define GISR1_OUT_FIFO(x) (1 << (((x) & 0x03) * 2)) /* FIFOx OUT */ 253 #define GISR1_SPK_FIFO(x) (1 << (((x) & 0x03) * 2 + 1)) /* FIFOx SPK */ 254 #define GISR1_RX_FIFO(x) (3 << (((x) & 0x03) * 2)) /* FIFOx OUT/SPK */ 255 256 /* Group Interrupt Status Register 2 (Device) */ 257 #define GISR2_WAKEUP (1 << 10) /* Device waked up */ 258 #define GISR2_IDLE (1 << 9) /* Device idle */ 259 #define GISR2_DMAERR (1 << 8) /* DMA error */ 260 #define GISR2_DMAFIN (1 << 7) /* DMA finished */ 261 #define GISR2_ZLPRX (1 << 6) /* Zero-Length-Packet Rx Interrupt */ 262 #define GISR2_ZLPTX (1 << 5) /* Zero-Length-Packet Tx Interrupt */ 263 #define GISR2_ISOCABT (1 << 4) /* ISOC Abort Interrupt */ 264 #define GISR2_ISOCERR (1 << 3) /* ISOC Error Interrupt */ 265 #define GISR2_RESUME (1 << 2) /* Resume state change Interrupt */ 266 #define GISR2_SUSPEND (1 << 1) /* Suspend state change Interrupt */ 267 #define GISR2_RESET (1 << 0) /* Reset Interrupt */ 268 269 /* Receive Zero-Length-Packet Register */ 270 #define RXZLP_EP(x) (1 << ((x) - 1)) /* EPx ZLP rx interrupt */ 271 272 /* Transfer Zero-Length-Packet Register */ 273 #define TXZLP_EP(x) (1 << ((x) - 1)) /* EPx ZLP tx interrupt */ 274 275 /* ISOC Error/Abort Status Register */ 276 #define ISOEASR_EP(x) (0x10001 << ((x) - 1)) /* EPx ISOC Error/Abort */ 277 278 /* IN Endpoint Register */ 279 #define IEP_SENDZLP (1 << 15) /* Send Zero-Length-Packet */ 280 #define IEP_TNRHB(x) (((x) & 0x03) << 13) \ 281 /* Transaction Number for High-Bandwidth EP(ISOC) */ 282 #define IEP_RESET (1 << 12) /* Reset Toggle Sequence */ 283 #define IEP_STALL (1 << 11) /* Stall */ 284 #define IEP_MAXPS(x) ((x) & 0x7ff) /* Max. packet size */ 285 286 /* OUT Endpoint Register */ 287 #define OEP_RESET (1 << 12) /* Reset Toggle Sequence */ 288 #define OEP_STALL (1 << 11) /* Stall */ 289 #define OEP_MAXPS(x) ((x) & 0x7ff) /* Max. packet size */ 290 291 /* Endpoint Map Register (EP1 ~ EP4) */ 292 #define EPMAP14_SET_IN(ep, fifo) \ 293 ((fifo) & 3) << (((ep) - 1) << 3 + 0) 294 #define EPMAP14_SET_OUT(ep, fifo) \ 295 ((fifo) & 3) << (((ep) - 1) << 3 + 4) 296 #define EPMAP14_SET(ep, in, out) \ 297 do { \ 298 EPMAP14_SET_IN(ep, in); \ 299 EPMAP14_SET_OUT(ep, out); \ 300 } while (0) 301 302 #define EPMAP14_DEFAULT 0x33221100 /* EP1->FIFO0, EP2->FIFO1... */ 303 304 /* Endpoint Map Register (EP5 ~ EP8) */ 305 #define EPMAP58_SET_IN(ep, fifo) \ 306 ((fifo) & 3) << (((ep) - 5) << 3 + 0) 307 #define EPMAP58_SET_OUT(ep, fifo) \ 308 ((fifo) & 3) << (((ep) - 5) << 3 + 4) 309 #define EPMAP58_SET(ep, in, out) \ 310 do { \ 311 EPMAP58_SET_IN(ep, in); \ 312 EPMAP58_SET_OUT(ep, out); \ 313 } while (0) 314 315 #define EPMAP58_DEFAULT 0x00000000 /* All EPx->FIFO0 */ 316 317 /* FIFO Map Register */ 318 #define FIFOMAP_BIDIR (2 << 4) 319 #define FIFOMAP_IN (1 << 4) 320 #define FIFOMAP_OUT (0 << 4) 321 #define FIFOMAP_DIR_MASK 0x30 322 #define FIFOMAP_EP(x) ((x) & 0x0f) 323 #define FIFOMAP_EP_MASK 0x0f 324 #define FIFOMAP_CFG_MASK 0x3f 325 #define FIFOMAP_DEFAULT 0x04030201 /* FIFO0->EP1, FIFO1->EP2... */ 326 #define FIFOMAP(fifo, cfg) (((cfg) & 0x3f) << (((fifo) & 3) << 3)) 327 328 /* FIFO Configuration Register */ 329 #define FIFOCFG_EN (1 << 5) 330 #define FIFOCFG_BLKSZ_1024 (1 << 4) 331 #define FIFOCFG_BLKSZ_512 (0 << 4) 332 #define FIFOCFG_3BLK (2 << 2) 333 #define FIFOCFG_2BLK (1 << 2) 334 #define FIFOCFG_1BLK (0 << 2) 335 #define FIFOCFG_NBLK_MASK 3 336 #define FIFOCFG_NBLK_SHIFT 2 337 #define FIFOCFG_INTR (3 << 0) 338 #define FIFOCFG_BULK (2 << 0) 339 #define FIFOCFG_ISOC (1 << 0) 340 #define FIFOCFG_RSVD (0 << 0) /* Reserved */ 341 #define FIFOCFG_TYPE_MASK 3 342 #define FIFOCFG_TYPE_SHIFT 0 343 #define FIFOCFG_CFG_MASK 0x3f 344 #define FIFOCFG(fifo, cfg) (((cfg) & 0x3f) << (((fifo) & 3) << 3)) 345 346 /* FIFO Control Status Register */ 347 #define FIFOCSR_RESET (1 << 12) /* FIFO Reset */ 348 #define FIFOCSR_BYTES(x) ((x) & 0x7ff) /* Length(bytes) for OUT-EP/FIFO */ 349 350 /* DMA Target FIFO Register */ 351 #define DMAFIFO_CX (1 << 4) /* DMA FIFO = CX FIFO */ 352 #define DMAFIFO_FIFO(x) (1 << ((x) & 0x3)) /* DMA FIFO = FIFOx */ 353 354 /* DMA Control Register */ 355 #define DMACTRL_LEN(x) (((x) & 0x1ffff) << 8) /* DMA length (Bytes) */ 356 #define DMACTRL_LEN_SHIFT 8 357 #define DMACTRL_CLRFF (1 << 4) /* Clear FIFO upon DMA abort */ 358 #define DMACTRL_ABORT (1 << 3) /* DMA abort */ 359 #define DMACTRL_IO2IO (1 << 2) /* IO to IO */ 360 #define DMACTRL_FIFO2MEM (0 << 1) /* FIFO to Memory */ 361 #define DMACTRL_MEM2FIFO (1 << 1) /* Memory to FIFO */ 362 #define DMACTRL_START (1 << 0) /* DMA start */ 363 364 #endif 365