hpcreg.h revision 1.7
1 /* $NetBSD: hpcreg.h,v 1.7 2003/09/18 15:01:33 lonewolf Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Rafal K. Boni 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _ARCH_SGIMIPS_HPC_HPCREG_H_ 31 #define _ARCH_SGIMIPS_HPC_HPCREG_H_ 32 33 struct hpc_dma_desc { 34 u_int32_t hdd_bufptr; /* Physical address of buffer */ 35 u_int32_t hdd_ctl; /* Control flags and byte count */ 36 u_int32_t hdd_descptr; /* Physical address of next descr. */ 37 u_int32_t hdd_pad; /* Pad out to quadword alignment */ 38 }; 39 40 /* 41 * Control flags 42 */ 43 #define HDD_CTL_EOCHAIN 0x80000000 /* End of descriptor chain */ 44 #define HDD_CTL_EOPACKET 0x40000000 /* Ethernet: end of packet */ 45 #define HDD_CTL_INTR 0x20000000 /* Interrupt when finished */ 46 #define HDD_CTL_XMITDONE 0x00008000 /* Ethernet transmit done */ 47 #define HDD_CTL_OWN 0x00004000 /* CPU owns this frame */ 48 49 #define HDD_CTL_BYTECNT(x) ((x) & 0x3fff) /* Byte count: for ethernet 50 * rcv channel also doubles as 51 * length of packet received 52 */ 53 54 /* 55 * HPC memory map, as offsets from HPC base 56 * 57 * XXXrkb: should each section be used as a base and have the specific 58 * registers offset from there?? 59 * 60 * XXX: define register values as well as their offsets. 61 * 62 */ 63 #define HPC_PBUS_DMAREGS 0x00000000 /* DMA registers for PBus */ 64 #define HPC_PBUS_DMAREGS_SIZE 0x0000ffff /* channels 0 - 7 */ 65 66 #define HPC_PBUS_CH0_BP 0x00000000 /* Chan 0 Buffer Ptr */ 67 #define HPC_PBUS_CH0_DP 0x00000004 /* Chan 0 Descriptor Ptr */ 68 #define HPC_PBUS_CH0_CTL 0x00001000 /* Chan 0 Control Register */ 69 70 #define HPC_PBUS_CH1_BP 0x00002000 /* Chan 1 Buffer Ptr */ 71 #define HPC_PBUS_CH1_DP 0x00002004 /* Chan 1 Descriptor Ptr */ 72 #define HPC_PBUS_CH1_CTL 0x00003000 /* Chan 1 Control Register */ 73 74 #define HPC_PBUS_CH2_BP 0x00004000 /* Chan 2 Buffer Ptr */ 75 #define HPC_PBUS_CH2_DP 0x00004004 /* Chan 2 Descriptor Ptr */ 76 #define HPC_PBUS_CH2_CTL 0x00005000 /* Chan 2 Control Register */ 77 78 #define HPC_PBUS_CH3_BP 0x00006000 /* Chan 3 Buffer Ptr */ 79 #define HPC_PBUS_CH3_DP 0x00006004 /* Chan 3 Descriptor Ptr */ 80 #define HPC_PBUS_CH3_CTL 0x00007000 /* Chan 3 Control Register */ 81 82 #define HPC_PBUS_CH4_BP 0x00008000 /* Chan 4 Buffer Ptr */ 83 #define HPC_PBUS_CH4_DP 0x00008004 /* Chan 4 Descriptor Ptr */ 84 #define HPC_PBUS_CH4_CTL 0x00009000 /* Chan 4 Control Register */ 85 86 #define HPC_PBUS_CH5_BP 0x0000a000 /* Chan 5 Buffer Ptr */ 87 #define HPC_PBUS_CH5_DP 0x0000a004 /* Chan 5 Descriptor Ptr */ 88 #define HPC_PBUS_CH5_CTL 0x0000b000 /* Chan 5 Control Register */ 89 90 #define HPC_PBUS_CH6_BP 0x0000c000 /* Chan 6 Buffer Ptr */ 91 #define HPC_PBUS_CH6_DP 0x0000c004 /* Chan 6 Descriptor Ptr */ 92 #define HPC_PBUS_CH6_CTL 0x0000d000 /* Chan 6 Control Register */ 93 94 #define HPC_PBUS_CH7_BP 0x0000e000 /* Chan 7 Buffer Ptr */ 95 #define HPC_PBUS_CH7_DP 0x0000e004 /* Chan 7 Descriptor Ptr */ 96 #define HPC_PBUS_CH7_CTL 0x0000f000 /* Chan 7 Control Register */ 97 98 #define HPC_SCSI0_REGS 0x00010000 /* SCSI channel 0 registers */ 99 #define HPC_SCSI0_REGS_SIZE 0x00001fff 100 101 #define HPC_SCSI0_CBP 0x00000000 /* Current buffer ptr */ 102 #define HPC_SCSI0_NDBP 0x00000004 /* Next descriptor ptr */ 103 104 #define HPC_SCSI0_BC 0x00001000 /* DMA byte count & flags */ 105 #define HPC_SCSI0_CTL 0x00001004 /* DMA control flags */ 106 #define HPC_SCSI0_GIO 0x00001008 /* GIO DMA FIFO pointer */ 107 #define HPC_SCSI0_DEV 0x0000100c /* Device DMA FIFO pointer */ 108 #define HPC_SCSI0_DMACFG 0x00001010 /* DMA configururation */ 109 #define HPC_SCSI0_PIOCFG 0x00001014 /* PIO configururation */ 110 111 #define HPC_SCSI1_REGS 0x00012000 /* SCSI channel 1 registers */ 112 #define HPC_SCSI1_REGS_SIZE 0x00001fff 113 114 #define HPC_SCSI1_CBP 0x00000000 /* Current buffer ptr */ 115 #define HPC_SCSI1_NDBP 0x00000004 /* Next descriptor ptr */ 116 117 #define HPC_SCSI1_BC 0x00001000 /* DMA byte count & flags */ 118 #define HPC_SCSI1_CTL 0x00001004 /* DMA control flags */ 119 #define HPC_SCSI1_GIO 0x00001008 /* GIO DMA FIFO pointer */ 120 #define HPC_SCSI1_DEV 0x0000100c /* Device DMA FIFO pointer */ 121 #define HPC_SCSI1_DMACFG 0x00001010 /* DMA configururation */ 122 #define HPC_SCSI1_PIOCFG 0x00001014 /* PIO configururation */ 123 124 /* These are only valid for SCSI/ENETR, PBUS uses different definitions */ 125 #define HPC_DMACTL_IRQ 0x01 /* IRQ asserted, either dma done or parity */ 126 #define HPC_DMACTL_ENDIAN 0x02 /* DMA endian mode, 0=BE, 1=LE */ 127 #define HPC_DMACTL_DIR 0x04 /* DMA direction, 0=dev->mem, 1=mem->dev */ 128 #define HPC_DMACTL_FLUSH 0x08 /* Flush DMA FIFO's */ 129 #define HPC_DMACTL_ACTIVE 0x10 /* DMA channel is active */ 130 #define HPC_DMACTL_AMASK 0x20 /* DMA active inhibits PIO */ 131 #define HPC_DMACTL_RESET 0x40 /* Resets dma channel and external controller */ 132 #define HPC_DMACTL_PERR 0x80 /* Parity error on interface to controller */ 133 134 /* HPC_PBUS_CHx_CTL read: */ 135 #define HPC_PBUS_DMACTL_IRQ 0x01 /* IRQ asserted, DMA done */ 136 #define HPC_PBUS_DMACTL_ISACT 0x02 /* DMA channel is active */ 137 /* HPC_PBUS_CHx_CTL write: */ 138 #define HPC_PBUS_DMACTL_ENDIAN 0x02 /* DMA endianness, 0=BE 1=LE */ 139 #define HPC_PBUS_DMACTL_RECEIVE 0x04 /* DMA direction, 1=dev->mem, 0=mem->dev */ 140 #define HPC_PBUS_DMACTL_FLUSH 0x08 /* Flush DMA FIFO */ 141 #define HPC_PBUS_DMACTL_ACT 0x10 /* Activate DMA channel */ 142 #define HPC_PBUS_DMACTL_ACT_LD 0x20 /* Load enable for ACT */ 143 #define HPC_PBUS_DMACTL_RT 0x40 /* Enable real time GIO service for DMA */ 144 #define HPC_PBUS_DMACTL_HIGHWATER_SHIFT 8 145 #define HPC_PBUS_DMACTL_FIFOBEG_SHIFT 16 146 #define HPC_PBUS_DMACTL_FIFOEND_SHIFT 24 147 148 #define HPC_ENET_REGS 0x00014000 /* Ethernet registers */ 149 #define HPC_ENET_REGS_SIZE 0x00003fff 150 151 #define HPC_ENETR_CBP 0x00000000 /* Recv: Current buffer ptr */ 152 #define HPC_ENETR_NDBP 0x00000004 /* Recv: Next descriptor ptr */ 153 154 #define HPC_ENETR_BC 0x00001000 /* Recv: DMA byte cnt/flags */ 155 #define HPC_ENETR_CTL 0x00001004 /* Recv: DMA control flags */ 156 157 #define ENETR_CTL_STAT_5_0 0x003f /* Seeq irq status: bits 0-5 */ 158 #define ENETR_CTL_STAT_6 0x0040 /* Irq status: late_rxdc */ 159 #define ENETR_CTL_STAT_7 0x0080 /* Irq status: old/new bit */ 160 #define ENETR_CTL_LENDIAN 0x0100 /* DMA channel endian mode */ 161 #define ENETR_CTL_ACTIVE 0x0200 /* DMA channel active? */ 162 #define ENETR_CTL_ACTIVE_MSK 0x0400 /* DMA channel active? */ 163 #define ENETR_CTL_RBO 0x0800 /* Recv buffer overflow */ 164 165 #define HPC_ENETR_GIO 0x00001008 /* Recv: GIO DMA FIFO ptr */ 166 #define HPC_ENETR_DEV 0x0000100c /* Recv: Device DMA FIFO ptr */ 167 #define HPC_ENETR_RESET 0x00001014 /* Recv: Ethernet chip reset */ 168 169 #define ENETR_RESET_CH 0x0001 /* Reset controller & chan */ 170 #define ENETR_RESET_CLRINT 0x0002 /* Clear channel interrupt */ 171 #define ENETR_RESET_LOOPBK 0x0004 /* External loopback enable */ 172 #define ENETR_RESET_CLRRBO 0x0008 /* Clear RBO condition (??) */ 173 174 #define HPC_ENETR_DMACFG 0x00001018 /* Recv: DMA configururation */ 175 176 #define ENETR_DMACFG_D1 0x0000f /* DMA D1 state cycles */ 177 #define ENETR_DMACFG_D2 0x000f0 /* DMA D2 state cycles */ 178 #define ENETR_DMACFG_D3 0x00f00 /* DMA D3 state cycles */ 179 #define ENETR_DMACFG_WRCTL 0x01000 /* Enable IPG write */ 180 181 /* 182 * The following three bits work around bugs in the Seeq 8003; if you 183 * don't set them, the Seeq gets wonky pretty often. 184 */ 185 #define ENETR_DMACFG_FIX_RXDC 0x02000 /* Clear EOP bits on RXDC */ 186 #define ENETR_DMACFG_FIX_EOP 0x04000 /* Enable rxintr timeout */ 187 #define ENETR_DMACFG_FIX_INTR 0x08000 /* Enable EOP timeout */ 188 #define ENETR_DMACFG_TIMO 0x30000 /* Timeout for above two */ 189 190 #define HPC_ENETR_PIOCFG 0x0000101c /* Recv: PIO configururation */ 191 192 #define HPC_ENETX_CBP 0x00002000 /* Xmit: Current buffer ptr */ 193 #define HPC_ENETX_NDBP 0x00002004 /* Xmit: Next descriptor ptr */ 194 195 #define HPC_ENETX_BC 0x00003000 /* Xmit: DMA byte cnt/flags */ 196 #define HPC_ENETX_CTL 0x00003004 /* Xmit: DMA control flags */ 197 198 #define ENETX_CTL_STAT_5_0 0x003f /* Seeq irq status: bits 0-5 */ 199 #define ENETX_CTL_STAT_6 0x0040 /* Irq status: late_rxdc */ 200 #define ENETX_CTL_STAT_7 0x0080 /* Irq status: old/new bit */ 201 #define ENETX_CTL_LENDIAN 0x0100 /* DMA channel endian mode */ 202 #define ENETX_CTL_ACTIVE 0x0200 /* DMA channel active? */ 203 #define ENETX_CTL_ACTIVE_MSK 0x0400 /* DMA channel active? */ 204 #define ENETX_CTL_RBO 0x0800 /* Recv buffer overflow */ 205 206 #define HPC_ENETX_GIO 0x00003008 /* Xmit: GIO DMA FIFO ptr */ 207 #define HPC_ENETX_DEV 0x0000300c /* Xmit: Device DMA FIFO ptr */ 208 209 #define HPC_PBUS_FIFO 0x00020000 /* PBus DMA FIFO */ 210 #define HPC_PBUS_FIFO_SIZE 0x00007fff /* PBus DMA FIFO size */ 211 212 #define HPC_SCSI0_FIFO 0x00028000 /* SCSI0 DMA FIFO */ 213 #define HPC_SCSI0_FIFO_SIZE 0x00001fff /* SCSI0 DMA FIFO size */ 214 215 #define HPC_SCSI1_FIFO 0x0002a000 /* SCSI1 DMA FIFO */ 216 #define HPC_SCSI1_FIFO_SIZE 0x00001fff /* SCSI1 DMA FIFO size */ 217 218 #define HPC_ENETR_FIFO 0x0002c000 /* Ether recv DMA FIFO */ 219 #define HPC_ENETR_FIFO_SIZE 0x00001fff /* Ether recv DMA FIFO size */ 220 221 #define HPC_ENETX_FIFO 0x0002e000 /* Ether xmit DMA FIFO */ 222 #define HPC_ENETX_FIFO_SIZE 0x00001fff /* Ether xmit DMA FIFO size */ 223 224 /* 225 * HPCBUG: The interrupt status is split amongst two registers, and they're 226 * not even consecutive in the HPC address space. This is documented as a 227 * bug by SGI. 228 */ 229 #define HPC_INTRSTAT_40 0x00030000 /* Interrupt stat, bits 4:0 */ 230 #define HPC_INTRSTAT_95 0x0003000c /* Interrupt stat, bits 9:5 */ 231 232 #define HPC_GIO_MISC 0x00030004 /* GIO64 misc register */ 233 234 #define HPC_EEPROM_DATA 0x00030008 /* Serial EEPROM data reg. */ 235 236 #define HPC_GIO_BUSERR 0x00030010 /* GIO64 bus error intr stat */ 237 238 #define HPC_SCSI0_DEVREGS 0x00044000 /* SCSI channel 0 chip regs */ 239 #define HPC_SCSI0_DEVREGS_SIZE 0x000003ff /* Size of chip registers */ 240 241 #define HPC_SCSI1_DEVREGS 0x0004c000 /* SCSI channel 1 chip regs */ 242 #define HPC_SCSI1_DEVREGS_SIZE 0x000003ff /* Size of chip registers */ 243 244 #define HPC_ENET_DEVREGS 0x00054000 /* Ethernet chip registers */ 245 #define HPC_ENET_DEVREGS_SIZE 0x000004ff /* Size of chip registers */ 246 247 #define HPC_PBUS_DEVREGS 0x00054000 /* PBus PIO chip registers */ 248 #define HPC_PBUS_DEVREGS_SIZE 0x000003ff /* PBus PIO chip registers */ 249 250 #define HPC_PBUS_CH0_DEVREGS 0x00058000 /* PBus ch. 0 chip registers */ 251 #define HPC_PBUS_CH0_DEVREGS_SIZE 0x03ff 252 253 #define HPC_PBUS_CH1_DEVREGS 0x00058400 /* PBus ch. 1 chip registers */ 254 #define HPC_PBUS_CH1_DEVREGS_SIZE 0x03ff 255 256 #define HPC_PBUS_CH2_DEVREGS 0x00058800 /* PBus ch. 2 chip registers */ 257 #define HPC_PBUS_CH2_DEVREGS_SIZE 0x03ff 258 259 #define HPC_PBUS_CH3_DEVREGS 0x00058c00 /* PBus ch. 3 chip registers */ 260 #define HPC_PBUS_CH3_DEVREGS_SIZE 0x03ff 261 262 #define HPC_PBUS_CH4_DEVREGS 0x00059000 /* PBus ch. 4 chip registers */ 263 #define HPC_PBUS_CH4_DEVREGS_SIZE 0x03ff 264 265 #define HPC_PBUS_CH5_DEVREGS 0x00059400 /* PBus ch. 5 chip registers */ 266 #define HPC_PBUS_CH5_DEVREGS_SIZE 0x03ff 267 268 #define HPC_PBUS_CH6_DEVREGS 0x00059800 /* PBus ch. 6 chip registers */ 269 #define HPC_PBUS_CH6_DEVREGS_SIZE 0x03ff 270 271 #define HPC_PBUS_CH7_DEVREGS 0x00059c00 /* PBus ch. 7 chip registers */ 272 #define HPC_PBUS_CH7_DEVREGS_SIZE 0x03ff 273 274 #define HPC_PBUS_CH8_DEVREGS 0x0005a000 /* PBus ch. 8 chip registers */ 275 #define HPC_PBUS_CH8_DEVREGS_SIZE 0x03ff 276 277 #define HPC_PBUS_CH9_DEVREGS 0x0005a400 /* PBus ch. 9 chip registers */ 278 #define HPC_PBUS_CH9_DEVREGS_SIZE 0x03ff 279 280 #define HPC_PBUS_CH8_DEVREGS_2 0x0005a800 /* PBus ch. 8 chip registers */ 281 #define HPC_PBUS_CH8_DEVREGS_2_SIZE 0x03ff 282 283 #define HPC_PBUS_CH9_DEVREGS_2 0x0005ac00 /* PBus ch. 9 chip registers */ 284 #define HPC_PBUS_CH9_DEVREGS_2_SIZE 0x03ff 285 286 #define HPC_PBUS_CH8_DEVREGS_3 0x0005b000 /* PBus ch. 8 chip registers */ 287 #define HPC_PBUS_CH8_DEVREGS_3_SIZE 0x03ff 288 289 #define HPC_PBUS_CH9_DEVREGS_3 0x0005b400 /* PBus ch. 9 chip registers */ 290 #define HPC_PBUS_CH9_DEVREGS_3_SIZE 0x03ff 291 292 #define HPC_PBUS_CH8_DEVREGS_4 0x0005b800 /* PBus ch. 8 chip registers */ 293 #define HPC_PBUS_CH8_DEVREGS_4_SIZE 0x03ff 294 295 #define HPC_PBUS_CH9_DEVREGS_4 0x0005bc00 /* PBus ch. 9 chip registers */ 296 #define HPC_PBUS_CH9_DEVREGS_4_SIZE 0x03ff 297 298 #define HPC_PBUS_CFGDMA_REGS 0x0005c000 /* PBus DMA config registers */ 299 #define HPC_PBUS_CFGDMA_REGS_SIZE 0x0fff 300 301 #define HPC_PBUS_CH0_CFGDMA 0x0005c000 /* PBus Ch. 0 DMA config */ 302 #define HPC_PBUS_CH0_CFGDMA_SIZE 0x01ff 303 304 #define HPC_PBUS_CH1_CFGDMA 0x0005c200 /* PBus Ch. 1 DMA config */ 305 #define HPC_PBUS_CH1_CFGDMA_SIZE 0x01ff 306 307 #define HPC_PBUS_CH2_CFGDMA 0x0005c400 /* PBus Ch. 2 DMA config */ 308 #define HPC_PBUS_CH2_CFGDMA_SIZE 0x01ff 309 310 #define HPC_PBUS_CH3_CFGDMA 0x0005c600 /* PBus Ch. 3 DMA config */ 311 #define HPC_PBUS_CH3_CFGDMA_SIZE 0x01ff 312 313 #define HPC_PBUS_CH4_CFGDMA 0x0005c800 /* PBus Ch. 4 DMA config */ 314 #define HPC_PBUS_CH4_CFGDMA_SIZE 0x01ff 315 316 #define HPC_PBUS_CH5_CFGDMA 0x0005ca00 /* PBus Ch. 5 DMA config */ 317 #define HPC_PBUS_CH5_CFGDMA_SIZE 0x01ff 318 319 #define HPC_PBUS_CH6_CFGDMA 0x0005cc00 /* PBus Ch. 6 DMA config */ 320 #define HPC_PBUS_CH6_CFGDMA_SIZE 0x01ff 321 322 #define HPC_PBUS_CH7_CFGDMA 0x0005ce00 /* PBus Ch. 7 DMA config */ 323 #define HPC_PBUS_CH7_CFGDMA_SIZE 0x01ff 324 325 #define HPC_PBUS_CFGPIO_REGS 0x0005d000 /* PBus PIO config registers */ 326 #define HPC_PBUS_CFGPIO_REGS_SIZE 0x0fff 327 328 #define HPC_PBUS_CH0_CFGPIO 0x0005d000 /* PBus Ch. 0 PIO config */ 329 #define HPC_PBUS_CH1_CFGPIO 0x0005d100 /* PBus Ch. 1 PIO config */ 330 #define HPC_PBUS_CH2_CFGPIO 0x0005d200 /* PBus Ch. 2 PIO config */ 331 #define HPC_PBUS_CH3_CFGPIO 0x0005d300 /* PBus Ch. 3 PIO config */ 332 #define HPC_PBUS_CH4_CFGPIO 0x0005d400 /* PBus Ch. 4 PIO config */ 333 #define HPC_PBUS_CH5_CFGPIO 0x0005d500 /* PBus Ch. 5 PIO config */ 334 #define HPC_PBUS_CH6_CFGPIO 0x0005d600 /* PBus Ch. 6 PIO config */ 335 #define HPC_PBUS_CH7_CFGPIO 0x0005d700 /* PBus Ch. 7 PIO config */ 336 #define HPC_PBUS_CH8_CFGPIO 0x0005d800 /* PBus Ch. 8 PIO config */ 337 #define HPC_PBUS_CH9_CFGPIO 0x0005d900 /* PBus Ch. 9 PIO config */ 338 #define HPC_PBUS_CH8_CFGPIO_2 0x0005da00 /* PBus Ch. 8 PIO config */ 339 #define HPC_PBUS_CH9_CFGPIO_2 0x0005db00 /* PBus Ch. 9 PIO config */ 340 #define HPC_PBUS_CH8_CFGPIO_3 0x0005dc00 /* PBus Ch. 8 PIO config */ 341 #define HPC_PBUS_CH9_CFGPIO_3 0x0005dd00 /* PBus Ch. 9 PIO config */ 342 #define HPC_PBUS_CH8_CFGPIO_4 0x0005de00 /* PBus Ch. 8 PIO config */ 343 #define HPC_PBUS_CH9_CFGPIO_4 0x0005df00 /* PBus Ch. 9 PIO config */ 344 345 #define HPC_PBUS_PROM_WE 0x0005e000 /* PBus boot-prom write 346 * enable register 347 */ 348 349 #define HPC_PBUS_PROM_SWAP 0x0005e800 /* PBus boot-prom chip-select 350 * swap register 351 */ 352 353 #define HPC_PBUS_GEN_OUT 0x0005f000 /* PBus general-purpose output 354 * register 355 */ 356 357 #define HPC_PBUS_BBRAM 0x00060000 /* PBus battery-backed RAM 358 * external registers 359 */ 360 #endif /* _ARCH_SGIMIPS_HPC_HPCREG_H_ */ 361
Indexes created Tue Sep 23 07:09:52 GMT 2025