wdenk | c0bc2e1 | 2004-02-09 23:12:24 +0000 | [diff] [blame^] | 1 | |
| 2 | TODO: 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 | =============================================================================== |
| 8 | see also [1]-[5] |
| 9 | |
| 10 | CPU: "LDK2" |
| 11 | 32 bit NIOS for 75 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: CFG_NIOS_CPU_CLK = 75000000 |
| 22 | CFG_NIOS_CPU_ICACHE = (not present) |
| 23 | CFG_NIOS_CPU_DCACHE = (not present) |
| 24 | CFG_NIOS_CPU_REG_NUMS = 512 |
| 25 | CFG_NIOS_CPU_MUL = 0 |
| 26 | CFG_NIOS_CPU_MSTEP = 1 |
| 27 | CFG_NIOS_CPU_DBG_CORE = 0 |
| 28 | |
| 29 | IRQ: Nr. | used by |
| 30 | ------+-------------------------------------------------------- |
| 31 | 16 | TIMER0 | CFG_NIOS_CPU_TIMER0_IRQ = 16 |
| 32 | 17 | UART0 | CFG_NIOS_CPU_UART0_IRQ = 17 |
| 33 | 18 | UART1 | CFG_NIOS_CPU_UART1_IRQ = 18 |
| 34 | 20 | LAN91C111 | CFG_NIOS_CPU_LAN0_IRQ = 20 |
| 35 | 25 | IDE0 | CFG_NIOS_CPU_IDE0_IRQ = 25 |
| 36 | |
| 37 | MEMORY: 8 MByte Flash |
| 38 | 16 MByte SDRAM |
| 39 | |
| 40 | Timer: TIMER0: high priority programmable timer (IRQ16) |
| 41 | |
| 42 | U-Boot CFG: CFG_NIOS_CPU_TICK_TIMER = 0 |
| 43 | CFG_NIOS_CPU_USER_TIMER = (not present) |
| 44 | |
| 45 | PIO: Nr. | description |
| 46 | ------+-------------------------------------------------------- |
| 47 | PIO0 | CFPOWER: 1 output to controll CF power supply |
| 48 | PIO1 | BUTTON: 4 inputs for user push buttons (no IRQ) |
| 49 | ------+-------------------------------------------------------- |
| 50 | not | LCD: 11 in/outputs for ASCII LCD |
| 51 | pres.| LED: 8 outputs for user LEDs |
| 52 | | SEVENSEG: 16 outputs for user seven segment display |
| 53 | | RECONF: 1 in/output for . . . . . . . . . . . . |
| 54 | | CFPRESENT: 1 input for CF present event (IRQ35) |
| 55 | | CFATASEL: 1 output to controll CF ATA card select |
| 56 | |
| 57 | U-Boot CFG: CFG_NIOS_CPU_BUTTON_PIO = 1 |
| 58 | CFG_NIOS_CPU_LCD_PIO = (not present) |
| 59 | CFG_NIOS_CPU_LED_PIO = (not present) |
| 60 | CFG_NIOS_CPU_SEVENSEG_PIO = (not present) |
| 61 | CFG_NIOS_CPU_RECONF_PIO = (not present) |
| 62 | CFG_NIOS_CPU_CFPRESENT_PIO = (not present) |
| 63 | CFG_NIOS_CPU_CFPOWER_PIO = 0 |
| 64 | CFG_NIOS_CPU_CFATASEL_PIO = (not present) |
| 65 | |
| 66 | UART: UART0: fixed baudrate of 115200, fixed protocol 8N2, |
| 67 | without handshake RTS/CTS (IRQ17) |
| 68 | UART1: fixed baudrate of 115200, fixed protocol 8N1, |
| 69 | without handshake RTS/CTS (IRQ18) |
| 70 | |
| 71 | LAN: SMsC LAN91C111 with: |
| 72 | - offset 0x300 (LAN91C111_REGISTERS_OFFSET) |
| 73 | - data bus width 32 bit (LAN91C111_DATA_BUS_WIDTH) |
| 74 | |
| 75 | IDE: (TODO) |
| 76 | |
| 77 | |
| 78 | =============================================================================== |
| 79 | M E M O R Y M A P |
| 80 | =============================================================================== |
| 81 | |
| 82 | - - - - - - - - - - - external memory - - - - - - - - - - - - - - - - - - - |
| 83 | |
| 84 | 0x02000000 ---32-----------16|15------------0- CFG_NIOS_CPU_STACK |
| 85 | 0x02000000 --+32-----------16|15------------0+ |
| 86 | | . | \ \ |
| 87 | | . | | | |
| 88 | | . | | > stack area |
| 89 | | . | | | |
| 90 | | . | | V |
| 91 | | . | | |
| 92 | | . | | |
| 93 | SDRAM | . | > CFG_NIOS_CPU_SDRAM_SIZE |
| 94 | | . | | = 0x01000000 |
| 95 | | . | | |
| 96 | 0x01000100 |- - - - - - - - - - - - - - - -+-|- |
| 97 | | . | | \ |
| 98 | | . | | | |
| 99 | | . | | > CFG_NIOS_CPU_VEC_SIZE |
| 100 | | . | | | = 0x00000100 |
| 101 | | | / / |
| 102 | 0x01000000 |- - - - - - - - - - - - - - - -+- - CFG_NIOS_CPU_VEC_BASE |
| 103 | 0x01000000 ---32-----------16|15------------0- CFG_NIOS_CPU_SDRAM_BASE |
| 104 | | sector 127 | \ |
| 105 | + 0x7f0000 |- - - - - - - - - - - - - - - -| | |
| 106 | | : | | |
| 107 | Flash |- - - - : - - - -| > CFG_NIOS_CPU_FLASH_SIZE |
| 108 | | sector 1 : | | = 0x00800000 |
| 109 | + 0x010000 |- - - - - - - - - - - - - - - -| | |
| 110 | | sector 0 (size = 0x10000) | / |
| 111 | 0x00800000 ---8-------------4|3-------------0- CFG_NIOS_CPU_FLASH_BASE |
| 112 | | | |
| 113 | : gap : |
| 114 | : : |
| 115 | |
| 116 | - - - - - - - - - - - external i/o - - - - - - - - - - - - - - - - - - - |
| 117 | |
| 118 | : : |
| 119 | : gap : |
| 120 | | | |
| 121 | 0x00020000 ---32-----------16|15------------0- |
| 122 | | gap | \ |
| 123 | 0x00010310 --+-------------------------------| | |
| 124 | | | | |
| 125 | | register bank (size = 0x10) | | |
| 126 | | +--------.---.---.--- | | |
| 127 | | | bank 0 \ 1 \ 2 \ 3 \ | | |
| 128 | | |---------------------------+ | | |
| 129 | LAN91C111 | | BANK | RESERVED | | | |
| 130 | | |- - - - - - -|- - - - - - -| | > na_enet_size |
| 131 | | | RPCR | MIR | | | = 0x00010000 |
| 132 | | |- - - - - - -|- - - - - - -| | | |
| 133 | | | COUNTER | RCR | | | |
| 134 | | |- - - - - - -|- - - - - - -| | | |
| 135 | | | EPH STATUS | TCR | | | |
| 136 | | +---------------------------+ | | |
| 137 | 0x00010300 --+--LAN91C111_REGISTERS_OFFSET---| | |
| 138 | | gap | / |
| 139 | 0x00010000 ---32-----------16|15------------0- CFG_NIOS_CPU_LAN0_BASE |
| 140 | | | |
| 141 | : gap : |
| 142 | : : |
| 143 | |
| 144 | - - - - - - - - - - - on chip i/o - - - - - - - - - - - - - - - - - - - |
| 145 | |
| 146 | : : |
| 147 | : gap : |
| 148 | | | |
| 149 | 0x00000980 ---32-----------16|15------------0- |
| 150 | | | | \ |
| 151 | : (real size : : | |
| 152 | IDE i/f : and content : : > 0x00000080 |
| 153 | [5] : unknown) : : | |
| 154 | | | | / |
| 155 | 0x00000900 ---32-----------16|15------------0- CFG_NIOS_CPU_IDE0 |
| 156 | | | \ |
| 157 | : gap : > (space for PIO4..7) |
| 158 | | | / |
| 159 | 0x000008c0 ---32-----------16|15------------0- |
| 160 | | (unused) | \ |
| 161 | + 0x1c |- - - - - - - - - - - - - - - -| | |
| 162 | | (unused) | | |
| 163 | + 0x18 |- - - - - - - - - - - - - - - -| | |
| 164 | | (unused) | | |
| 165 | + 0x14 |- - - - - - - - - - - - - - - -| | |
| 166 | UART1 | (unused) | > 0x00000020 |
| 167 | [2] + 0x10 |- - - - - - - - - - - - - - - -| | |
| 168 | | control (10 bit) (rw) | | |
| 169 | + 0x0c |- - - - - - - - - - - - - - - -| | |
| 170 | | status (10 bit) (rw) | | |
| 171 | + 0x08 |- - - - - - - - - - - - - - - -| | |
| 172 | | txdata (8 bit) (wo) | | |
| 173 | + 0x04 |- - - - - - - - - - - - - - - -| | |
| 174 | | rxdata (8 bit) (ro) | / |
| 175 | 0x000008a0 ---32-----------16|15------------0- CFG_NIOS_CPU_UART1 |
| 176 | | | \ |
| 177 | : gap : > (space for PIO2..3) |
| 178 | | | / |
| 179 | 0x00000880 ---32-----------16|15------------0- |
| 180 | | edgecapture (4 bit) (rw) | \ |
| 181 | + 0x0c |- - - - - - - - - - - - - - - -| | |
| 182 | PIO1 | interruptmask (4 bit) (rw) | | |
| 183 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| 184 | | (unused) | | |
| 185 | + 0x04 |- - - - - - - - - - - - - - - -| | |
| 186 | | data (4 bit) (ro) | / |
| 187 | 0x00000870 ---32-----------16|15------------0- CFG_NIOS_CPU_PIO1 |
| 188 | | (unused) | \ |
| 189 | + 0x0c |- - - - - - - - - - - - - - - -| | |
| 190 | PIO0 | (unused) | | |
| 191 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 |
| 192 | | (unused) | | |
| 193 | + 0x04 |- - - - - - - - - - - - - - - -| | |
| 194 | | data (1 bit) (wo) | / |
| 195 | 0x00000860 ---32-----------16|15------------0- CFG_NIOS_CPU_PIO0 |
| 196 | | (unused) | \ |
| 197 | + 0x1c |- - - - - - - - - - - - - - - -| | |
| 198 | | (unused) | | |
| 199 | + 0x18 |- - - - - - - - - - - - - - - -| | |
| 200 | | snaph (16 bit) (rw) | | |
| 201 | + 0x14 |- - - - - - - - - - - - - - - -| | |
| 202 | TIMER0 | snapl (16 bit) (rw) | | |
| 203 | [3] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 |
| 204 | | periodh (16 bit) (rw) | | |
| 205 | + 0x0c |- - - - - - - - - - - - - - - -| | |
| 206 | | periodl (16 bit) (rw) | | |
| 207 | + 0x08 |- - - - - - - - - - - - - - - -| | |
| 208 | | control (4 bit) (rw) | | |
| 209 | + 0x04 |- - - - - - - - - - - - - - - -| | |
| 210 | | status (2 bit) (rw) | / |
| 211 | 0x00000840 ---32-----------16|15------------0- CFG_NIOS_CPU_TIMER0 |
| 212 | | | \ |
| 213 | : gap : > (space for UART2) |
| 214 | | | / |
| 215 | 0x00000820 ---32-----------16|15------------0- |
| 216 | | (unused) | \ |
| 217 | + 0x1c |- - - - - - - - - - - - - - - -| | |
| 218 | | (unused) | | |
| 219 | + 0x18 |- - - - - - - - - - - - - - - -| | |
| 220 | | (unused) | | |
| 221 | + 0x14 |- - - - - - - - - - - - - - - -| | |
| 222 | UART0 | (unused) | > 0x00000020 |
| 223 | [2] + 0x10 |- - - - - - - - - - - - - - - -| | |
| 224 | | control (10 bit) (rw) | | |
| 225 | + 0x0c |- - - - - - - - - - - - - - - -| | |
| 226 | | status (10 bit) (rw) | | |
| 227 | + 0x08 |- - - - - - - - - - - - - - - -| | |
| 228 | | txdata (8 bit) (wo) | | |
| 229 | + 0x04 |- - - - - - - - - - - - - - - -| | |
| 230 | | rxdata (8 bit) (ro) | / |
| 231 | 0x00000800 ---32-----------16|15------------0- CFG_NIOS_CPU_UART0 |
| 232 | |
| 233 | - - - - - - - - - - - on chip memory 1 - - - - - - - - - - - |
| 234 | |
| 235 | 0x00000800 ---32-----------16|15------------0- |
| 236 | | : | \ |
| 237 | | : | | |
| 238 | GERMS | : | > CFG_NIOS_CPU_ROM_SIZE |
| 239 | | : | | = 0x00000800 |
| 240 | | : | / |
| 241 | 0x00000000 |- - - - - - - - - - - - - - - -+- - CFG_NIOS_CPU_RST_VECT |
| 242 | 0x00000000 ---32-----------16|15------------0- CFG_NIOS_CPU_ROM_BASE |
| 243 | |
| 244 | =============================================================================== |
| 245 | F L A S H M E M O R Y A L L O C A T I O N |
| 246 | =============================================================================== |
| 247 | |
| 248 | 0x01000000 ---8-------------4|3-------------0- |
| 249 | | : | \ |
| 250 | SAFE | : | > 1 MByte |
| 251 | FPGA conf. | : | / (NOT usable by software) |
| 252 | 0x00f00000 --+- - - - - - - -:- - - - - - - -+- |
| 253 | | : | \ |
| 254 | USER | : | > 1 MByte |
| 255 | FPGA conf. | : | / (NOT usable by software) |
| 256 | 0x00e00000 --+- - - - - - - -:- - - - - - - -+- |
| 257 | | : | \ |
| 258 | | : | | |
| 259 | WEB pages | : | > 2 MByte |
| 260 | | : | | (provisory usable) |
| 261 | | : | / |
| 262 | 0x00c00000 --+- - - - - - - -:- - - - - - - -+- |
| 263 | | : | \ |
| 264 | | : | | |
| 265 | | : | | |
| 266 | | : | > 4 MByte free for use |
| 267 | | : | | |
| 268 | 0x00840000 --+- - - - - - - -:- - - - - - - -+-|- u-boot environment |
| 269 | | : | / |
| 270 | 0x00800000 |- - - - - - - -:- - - - - - - -+- - u-boot _start() |
| 271 | 0x00800000 ---8-------------4|3-------------0- |
| 272 | |
| 273 | |
| 274 | =============================================================================== |
| 275 | R E F E R E N C E S |
| 276 | =============================================================================== |
| 277 | [1] http://www.altera.com/literature/manual/mnl_nios_board_stratix_1s10.pdf |
| 278 | [2] http://www.altera.com/literature/ds/ds_nios_uart.pdf |
| 279 | [3] http://www.altera.com/literature/ds/ds_nios_timer.pdf |
| 280 | [4] http://www.altera.com/literature/ds/ds_nios_pio.pdf |
| 281 | [5] http://www.opencores.org/projects/ata/ |
| 282 | http://www.t13.org/index.html |
| 283 | |
| 284 | |
| 285 | =============================================================================== |
| 286 | Stephan Linz <linz@li-pro.net> |