1 2TODO: specify IDE i/f 3 4 5=============================================================================== 6 C P U , M E M O R Y , I N / O U T C O M P O N E N T S 7=============================================================================== 8see also [1]-[5] 9 10CPU: "DNP_ESC1" 11 32 bit NIOS for 50 MHz 12 512 Byte for register file (30 levels) 13 with out instruction cache 14 with out data cache 15 2 KByte On Chip ROM with GERMS boot monitor 16 with out On Chip RAM 17 MSTEP multiplier 18 no Debug Core 19 no On Chip Instrumentation (OCI) 20 21 U-Boot CFG: CONFIG_SYS_NIOS_CPU_CLK = 50000000 22 CONFIG_SYS_NIOS_CPU_ICACHE = (not present) 23 CONFIG_SYS_NIOS_CPU_DCACHE = (not present) 24 CONFIG_SYS_NIOS_CPU_REG_NUMS = 512 25 CONFIG_SYS_NIOS_CPU_MUL = 0 26 CONFIG_SYS_NIOS_CPU_MSTEP = 1 27 CONFIG_SYS_NIOS_CPU_DBG_CORE = 0 28 29IRQ: Nr. | used by 30 ------+-------------------------------------------------------- 31 16 | TIMER0 | CONFIG_SYS_NIOS_CPU_TIMER0_IRQ = 16 32 17 | UART0 | CONFIG_SYS_NIOS_CPU_UART0_IRQ = 17 33 18 | UART1 | CONFIG_SYS_NIOS_CPU_UART1_IRQ = 18 34 20 | LAN91C111 | CONFIG_SYS_NIOS_CPU_LAN0_IRQ = 35 | PIO6 | CONFIG_SYS_NIOS_CPU_PIO6_IRQ = 20 36 25 | SPI0 | CONFIG_SYS_NIOS_CPU_SPI0_IRQ = 25 37 31 | PIO7 | CONFIG_SYS_NIOS_CPU_PIO7_IRQ = 31 38 32 | PIO8 | CONFIG_SYS_NIOS_CPU_PIO8_IRQ = 32 39 33 | PIO9 | CONFIG_SYS_NIOS_CPU_PIO9_IRQ = 33 40 34 | PIO10 | CONFIG_SYS_NIOS_CPU_PIO10_IRQ = 34 41 35 | PIO11 | CONFIG_SYS_NIOS_CPU_PIO11_IRQ = 35 42 36 | PIO12 | CONFIG_SYS_NIOS_CPU_PIO12_IRQ = 43 | IDE0 | CONFIG_SYS_NIOS_CPU_IDE0_IRQ = 36 44 37 | PIO13 | CONFIG_SYS_NIOS_CPU_PIO13_IRQ = 45 | IDE1 | CONFIG_SYS_NIOS_CPU_IDE1_IRQ = 37 46 47MEMORY: 8 MByte Flash 48 16 MByte SDRAM 49 50Timer: TIMER0: high priority programmable timer (IRQ16) 51 52 U-Boot CFG: CONFIG_SYS_NIOS_CPU_TICK_TIMER = 0 53 CONFIG_SYS_NIOS_CPU_USER_TIMER = (not present) 54 55PIO: Nr. | description 56 ------+-------------------------------------------------------- 57 PIO0 | PORTA: 8 in/outputs for general purpose usage 58 PIO1 | PORTB: 8 in/outputs for general purpose usage 59 PIO2 | PORTC: 4 in/outputs for general purpose usage 60 PIO3 | RCM: 1 input for RCM_EN# jumper (Req.Conf.Mon.) 61 PIO4 | WDTENA: 1 output to enable the on-board watchdog 62 PIO5 | WDTTRIG: 1 output to trigger the on-board watchdog 63 PIO6 | LAN0INT: 1 input for LAN91C111 irq input (IRQ20) 64 PIO7 | INT1: 1 input for general purpose irq (IRQ31) 65 PIO8 | INT2: 1 input for general purpose irq (IRQ32) 66 PIO9 | INT3: 1 input for general purpose irq (IRQ33) 67 PIO10| INT4: 1 input for general purpose irq (IRQ34) 68 PIO11| INT5: 1 input for general purpose irq (IRQ35) 69 PIO12| INT6: 1 input for general purpose irq (IRQ36) 70 | IDE0INT: (same) for IDE0 irq input 71 PIO13| INT7: 1 input for general purpose irq (IRQ37) 72 | IDE1INT: (same) for IDE1 irq input 73 74 U-Boot CFG: CONFIG_SYS_NIOS_CPU_PORTA_PIO = 0 75 CONFIG_SYS_NIOS_CPU_PORTB_PIO = 1 76 CONFIG_SYS_NIOS_CPU_PORTC_PIO = 2 77 CONFIG_SYS_NIOS_CPU_RCM_PIO = 3 78 CONFIG_SYS_NIOS_CPU_WDTENA_PIO = 4 79 CONFIG_SYS_NIOS_CPU_WDTTRIG_PIO = 5 80 CONFIG_SYS_NIOS_CPU_LED_PIO = (not present) 81 82UART: UART0: fixed baudrate of 115200, fixed protocol 8N1, RTS/CTS (IRQ17) 83 UART1: fixed baudrate of 115200, fixed protocol 8N1, 84 without handshake RTS/CTS (IRQ18) 85 86SPI: SPI0: master capable, 1 slave selectable, 250kHz target clock, 87 2 usec targets delay between slave select and clock, 88 data is transferred MSB-first / LSB-last (IRQ25) 89 90LAN: SMsC LAN91C111 with: 91 - without offset 92 - data bus width 16 bit (on-board hard wired at 32 bit bus) 93 - !!! 32 bit bus access --> each address * 2 !!! 94 95IDE: (TODO) 96 97 98=============================================================================== 99 M E M O R Y M A P 100=============================================================================== 101 102- - - - - - - - - - - external extension - - - - - - - - - - - - - - - - - - - 103 104 0x44000000 ---32-----------16|15------------0- 105 | | | \ 106 : (real size : : | 107 EXT3 (CS4) : and content : : > CONFIG_SYS_NIOS_CPU_CS3_SIZE 108 : unknown) : : | = 0x01000000 109 | | | / 110 0x43000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS3_BASE 111 | | | \ 112 : (real size : : | 113 EXT2 (CS3) : and content : : > CONFIG_SYS_NIOS_CPU_CS2_SIZE 114 : unknown) : : | = 0x01000000 115 | | | / 116 0x42000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS2_BASE 117 | | | \ 118 : (real size : : | 119 EXT1 (CS2) : and content : : > CONFIG_SYS_NIOS_CPU_CS1_SIZE 120 : unknown) : : | = 0x01000000 121 | | | / 122 0x41000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS1_BASE 123 | | | \ 124 : (real size : : | 125 EXT0 (CS1) : and content : : > CONFIG_SYS_NIOS_CPU_CS0_SIZE 126 : unknown) : : | = 0x01000000 127 | | | / 128 0x40000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_CS0_BASE 129 | | 130 : gap : 131 : : 132 133- - - - - - - - - - - external memory - - - - - - - - - - - - - - - - - - - 134 135 : : 136 : gap : 137 | | 138 0x03000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_STACK 139 | . | \ 140 | . | | (U-Boot run-time system) 141 | . | | 142 | . | > CONFIG_SYS_MONITOR_LEN 143 | . | | = 0x00040000 144 | . | | 145 | . | / 146 0x02fc0000 --+32-----------16|15------------0+ TEXT_BASE 147 | . | \ 148 | . | > CONFIG_SYS_MALLOC_LEN (heap) 149 | . | / 150 --+32-----------16|15------------0+ 151 | . | \ 152 | . | > CONFIG_SYS_GBL_DATA_SIZE (global) 153 | . | / 154 --+32-----------16|15------------0+ CONFIG_SYS_INIT_SP (u-boot stack) 155 | . | \ \ 156 | . | | | 157 | . | | > stack area 158 | . | | | 159 | . | | V 160 | . | | 161 | . | | 162 SDRAM | . | > CONFIG_SYS_NIOS_CPU_SDRAM_SIZE 163 | . | | = 0x01000000 164 | . | | 165 0x02000100 |- - - - - - - - - - - - - - - -+-|- 166 | . | | \ 167 | . | | | 168 | . | | > CONFIG_SYS_NIOS_CPU_VEC_SIZE 169 | . | | | = 0x00000100 170 | | / / 171 0x02000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_VEC_BASE 172 0x02000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SDRAM_BASE 173 | | \ 174 : gap : > (space for 2nd Flash) 175 | | / 176 0x01800000 ---32-----------16|15------------0- 177 | sector 127 | \ 178 + 0x7f0000 |- - - - - - - - - - - - - - - -| | 179 | : | | 180 Flash |- - - - : - - - -| > CONFIG_SYS_NIOS_CPU_FLASH_SIZE 181 | sector 1 : | | = 0x00800000 182 + 0x010000 |- - - - - - - - - - - - - - - -| | 183 | sector 0 (size = 0x10000) | / 184 0x01000000 ---8-------------4|3-------------0- CONFIG_SYS_NIOS_CPU_FLASH_BASE 185 | | 186 : gap : 187 : : 188 189- - - - - - - - - - - external i/o - - - - - - - - - - - - - - - - - - - 190 191 : : 192 : gap : 193 | | 194 0x00010020 ---32-----------16|15------------0- 195 | | \ 196 | register bank | | 197 | size = (real_size << 1) | | 198 | real_size = 0x10 | | 199 | +--------.---.---.--- | | 200 | | bank 0 \ 1 \ 2 \ 3 \ | | 201 | |---------------------------+ | | 202 LAN91C111 | | BANK | RESERVED | | > na_enet_size 203 | |- - - - - - -|- - - - - - -| | | = 0x00000020 204 | | RPCR | MIR | | | 205 | |- - - - - - -|- - - - - - -| | | 206 | | COUNTER | RCR | | | 207 | |- - - - - - -|- - - - - - -| | | 208 | | EPH STATUS | TCR | | | 209 | +---------------------------+ | / 210 0x00010000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_LAN0_BASE 211 | | 212 : gap : 213 : : 214 215- - - - - - - - - - - on chip i/o - - - - - - - - - - - - - - - - - - - 216 217 : : 218 : gap : 219 | | 220 0x00001040 ---32-----------16|15------------0- 221 | | | \ 222 : : : | 223 IDE1 i/f : : : > 0x00000020 224 [5] : : : | 225 | | | / 226 0x00001020 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE1 227 | | | \ 228 : : : | 229 IDE0 i/f : : : > 0x00000020 230 [5] : : : | 231 | | | / 232 0x00001000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE0 233 | | 234 : gap : 235 | | 236 0x00000980 ---32-----------16|15------------0- 237 | edgecapture (1 bit) (rw) | \ 238 + 0x0c |- - - - - - - - - - - - - - - -| | 239 PIO13 | interruptmask (1 bit) (rw) | | 240 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 241 | (unused) | | 242 + 0x04 |- - - - - - - - - - - - - - - -| | 243 | data (1 bit) (ro) | / 244 0x00000970 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO13 245 | edgecapture (1 bit) (rw) | \ 246 + 0x0c |- - - - - - - - - - - - - - - -| | 247 PIO12 | interruptmask (1 bit) (rw) | | 248 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 249 | (unused) | | 250 + 0x04 |- - - - - - - - - - - - - - - -| | 251 | data (1 bit) (ro) | / 252 0x00000960 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO12 253 | edgecapture (1 bit) (rw) | \ 254 + 0x0c |- - - - - - - - - - - - - - - -| | 255 PIO11 | interruptmask (1 bit) (rw) | | 256 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 257 | (unused) | | 258 + 0x04 |- - - - - - - - - - - - - - - -| | 259 | data (1 bit) (ro) | / 260 0x00000950 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO11 261 | edgecapture (1 bit) (rw) | \ 262 + 0x0c |- - - - - - - - - - - - - - - -| | 263 PIO10 | interruptmask (1 bit) (rw) | | 264 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 265 | (unused) | | 266 + 0x04 |- - - - - - - - - - - - - - - -| | 267 | data (1 bit) (ro) | / 268 0x00000940 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO10 269 | edgecapture (1 bit) (rw) | \ 270 + 0x0c |- - - - - - - - - - - - - - - -| | 271 PIO9 | interruptmask (1 bit) (rw) | | 272 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 273 | (unused) | | 274 + 0x04 |- - - - - - - - - - - - - - - -| | 275 | data (1 bit) (ro) | / 276 0x00000930 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO9 277 | edgecapture (1 bit) (rw) | \ 278 + 0x0c |- - - - - - - - - - - - - - - -| | 279 PIO8 | interruptmask (1 bit) (rw) | | 280 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 281 | (unused) | | 282 + 0x04 |- - - - - - - - - - - - - - - -| | 283 | data (1 bit) (ro) | / 284 0x00000920 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO8 285 | edgecapture (1 bit) (rw) | \ 286 + 0x0c |- - - - - - - - - - - - - - - -| | 287 PIO7 | interruptmask (1 bit) (rw) | | 288 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 289 | (unused) | | 290 + 0x04 |- - - - - - - - - - - - - - - -| | 291 | data (1 bit) (ro) | / 292 0x00000910 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO7 293 | edgecapture (1 bit) (rw) | \ 294 + 0x0c |- - - - - - - - - - - - - - - -| | 295 PIO6 | interruptmask (1 bit) (rw) | | 296 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 297 | (unused) | | 298 + 0x04 |- - - - - - - - - - - - - - - -| | 299 | data (1 bit) (ro) | / 300 0x00000900 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO6 301 | | 302 : gap : 303 | | 304 0x000008e0 ---32-----------16|15------------0- 305 | (unused) | \ 306 + 0x1c |- - - - - - - - - - - - - - - -| | 307 | endofpacket (16 bit) (rw) | | 308 + 0x18 |- - - - - - - - - - - - - - - -| | 309 | slaveselect (1 bit) (rw) | | 310 + 0x14 |- - - - - - - - - - - - - - - -| | 311 SPI0 | (reserved) | | 312 [4] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 313 | control (11 bit) (rw) | | 314 + 0x0c |- - - - - - - - - - - - - - - -| | 315 | status (9 bit) (rw) | | 316 + 0x08 |- - - - - - - - - - - - - - - -| | 317 | txdata (16 bit) (wo) | | 318 + 0x04 |- - - - - - - - - - - - - - - -| | 319 | rxdata (16 bit) (ro) | / 320 0x000008c0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SPI0 321 | (unused) | \ 322 + 0x0c |- - - - - - - - - - - - - - - -| | 323 PIO5 | (unused) | | 324 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 325 | (unused) | | 326 + 0x04 |- - - - - - - - - - - - - - - -| | 327 | data (1 bit) (wo) | / 328 0x000008b0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO5 329 | (unused) | \ 330 + 0x0c |- - - - - - - - - - - - - - - -| | 331 PIO4 | (unused) | | 332 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 333 | (unused) | | 334 + 0x04 |- - - - - - - - - - - - - - - -| | 335 | data (1 bit) (wo) | / 336 0x000008a0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO4 337 | (unused) | \ 338 + 0x0c |- - - - - - - - - - - - - - - -| | 339 PIO3 | (unused) | | 340 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 341 | (unused) | | 342 + 0x04 |- - - - - - - - - - - - - - - -| | 343 | data (1 bit) (ro) | / 344 0x00000890 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO3 345 | (unused) | \ 346 + 0x0c |- - - - - - - - - - - - - - - -| | 347 PIO2 | (unused) | | 348 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 349 | direction (4 bit) (rw) | | 350 + 0x04 |- - - - - - - - - - - - - - - -| | 351 | data (4 bit) (rw) | / 352 0x00000880 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO2 353 | (unused) | \ 354 + 0x0c |- - - - - - - - - - - - - - - -| | 355 PIO1 | (unused) | | 356 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 357 | direction (8 bit) (rw) | | 358 + 0x04 |- - - - - - - - - - - - - - - -| | 359 | data (8 bit) (rw) | / 360 0x00000870 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO1 361 | (unused) | \ 362 + 0x0c |- - - - - - - - - - - - - - - -| | 363 PIO0 | (unused) | | 364 [3] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 365 | direction (8 bit) (rw) | | 366 + 0x04 |- - - - - - - - - - - - - - - -| | 367 | data (8 bit) (rw) | / 368 0x00000860 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO0 369 | (unused) | \ 370 + 0x1c |- - - - - - - - - - - - - - - -| | 371 | (unused) | | 372 + 0x18 |- - - - - - - - - - - - - - - -| | 373 | snaph (16 bit) (rw) | | 374 + 0x14 |- - - - - - - - - - - - - - - -| | 375 TIMER0 | snapl (16 bit) (rw) | | 376 [2] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 377 | periodh (16 bit) (rw) | | 378 + 0x0c |- - - - - - - - - - - - - - - -| | 379 | periodl (16 bit) (rw) | | 380 + 0x08 |- - - - - - - - - - - - - - - -| | 381 | control (4 bit) (rw) | | 382 + 0x04 |- - - - - - - - - - - - - - - -| | 383 | status (2 bit) (rw) | / 384 0x00000840 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_TIMER0 385 | (unused) | \ 386 + 0x1c |- - - - - - - - - - - - - - - -| | 387 | (unused) | | 388 + 0x18 |- - - - - - - - - - - - - - - -| | 389 | (unused) | | 390 + 0x14 |- - - - - - - - - - - - - - - -| | 391 UART1 | (unused) | > 0x00000020 392 [1] + 0x10 |- - - - - - - - - - - - - - - -| | 393 | control (10 bit) (rw) | | 394 + 0x0c |- - - - - - - - - - - - - - - -| | 395 | status (10 bit) (rw) | | 396 + 0x08 |- - - - - - - - - - - - - - - -| | 397 | txdata (8 bit) (wo) | | 398 + 0x04 |- - - - - - - - - - - - - - - -| | 399 | rxdata (8 bit) (ro) | / 400 0x00000820 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART1 401 | (unused) | \ 402 + 0x1c |- - - - - - - - - - - - - - - -| | 403 | (unused) | | 404 + 0x18 |- - - - - - - - - - - - - - - -| | 405 | (unused) | | 406 + 0x14 |- - - - - - - - - - - - - - - -| | 407 UART0 | (unused) | > 0x00000020 408 [1] + 0x10 |- - - - - - - - - - - - - - - -| | 409 | control (10 bit) (rw) | | 410 + 0x0c |- - - - - - - - - - - - - - - -| | 411 | status (10 bit) (rw) | | 412 + 0x08 |- - - - - - - - - - - - - - - -| | 413 | txdata (8 bit) (wo) | | 414 + 0x04 |- - - - - - - - - - - - - - - -| | 415 | rxdata (8 bit) (ro) | / 416 0x00000800 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART0 417 418- - - - - - - - - - - on chip memory 1 - - - - - - - - - - - 419 420 0x00000800 ---32-----------16|15------------0- 421 | : | \ 422 | : | | 423 GERMS | : | > CONFIG_SYS_NIOS_CPU_ROM_SIZE 424 | : | | = 0x00000800 425 | : | / 426 0x00000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_RST_VECT 427 0x00000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_ROM_BASE 428 429 430=============================================================================== 431 F L A S H M E M O R Y A L L O C A T I O N 432=============================================================================== 433 434 0x01800000 ---8-------------4|3-------------0- 435 | : | \ 436 | : | | 437 | : | > 6 MByte ROM FS 438 | : | | 439 | : | / 440 0x01200000 --+- - - - - - - -:- - - - - - - -+- - file system image(s) 441 | : | \ 442 | : | | 443 | : | > 1728 kByte ucLinux 444 | : | | 445 | : | / 446 0x01050000 --+- - - - - - - -:- - - - - - - -+- - os image(s) 447 | : | \ 448 0x01040000 --+- - - - - - - -:- - - - - - - -+-|- u-boot environment 449 | : | | 450 | : | > 320 kByte U-Boot 451 | : | | 452 | : | | 453 | : | / 454 0x01000000 --+- - - - - - - -:- - - - - - - -+- - u-boot _start() 455 0x01000000 ---8-------------4|3-------------0- 456 457 458=============================================================================== 459 R E F E R E N C E S 460=============================================================================== 461[1] http://www.altera.com/literature/ds/ds_nios_uart.pdf 462[2] http://www.altera.com/literature/ds/ds_nios_timer.pdf 463[3] http://www.altera.com/literature/ds/ds_nios_pio.pdf 464[4] http://www.altera.com/literature/ds/ds_nios_spi.pdf 465[5] http://www.t13.org/index.html 466 467 468=============================================================================== 469Stephan Linz <linz@li-pro.net> 470