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Commit | Line | Data |
---|---|---|
c935d3bd WD |
1 | |
2 | TODO: specify IDE i/f | |
3 | specify OCI | |
4 | ||
5 | ||
6 | =============================================================================== | |
7 | C P U , M E M O R Y , I N / O U T C O M P O N E N T S | |
8 | =============================================================================== | |
9 | see also [1]-[5] | |
10 | ||
11 | CPU: "standard_32" | |
12 | 32 bit NIOS for 50 MHz | |
13 | 256 Byte for register file (15 levels) | |
14 | 4 KByte instruction cache (4 bytes in each cache line) | |
15 | 4 KByte data cache (4 bytes in each cache line) | |
16 | 2 KByte On Chip ROM with GERMS boot monitor | |
17 | 64 KByte On Chip RAM | |
18 | MSTEP multiplier | |
19 | no Debug Core | |
20 | On Chip Instrumentation (OCI) enabled | |
21 | ||
6d0f6bcf JCPV |
22 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_CLK = 50000000 |
23 | CONFIG_SYS_NIOS_CPU_ICACHE = 4096 | |
24 | CONFIG_SYS_NIOS_CPU_DCACHE = 4096 | |
25 | CONFIG_SYS_NIOS_CPU_REG_NUMS = 256 | |
26 | CONFIG_SYS_NIOS_CPU_MUL = 0 | |
27 | CONFIG_SYS_NIOS_CPU_MSTEP = 1 | |
28 | CONFIG_SYS_NIOS_CPU_DBG_CORE = 0 | |
c935d3bd WD |
29 | |
30 | OCI: (TODO) | |
31 | ||
32 | IRQ: Nr. | used by | |
33 | ------+-------------------------------------------------------- | |
6d0f6bcf JCPV |
34 | 16 | TIMER0 | CONFIG_SYS_NIOS_CPU_TIMER0_IRQ = 16 |
35 | 25 | UART0 | CONFIG_SYS_NIOS_CPU_UART0_IRQ = 25 | |
36 | 30 | LAN91C111 | CONFIG_SYS_NIOS_CPU_LAN0_IRQ = 30 | |
37 | 35 | PIO5 | CONFIG_SYS_NIOS_CPU_PIO5_IRQ = 35 | |
38 | 40 | PIO0 | CONFIG_SYS_NIOS_CPU_PIO0_IRQ = 40 | |
39 | 50 | TIMER1 | CONFIG_SYS_NIOS_CPU_TIMER1_IRQ = 50 | |
c935d3bd WD |
40 | |
41 | MEMORY: 8 MByte Flash | |
42 | 1 MByte SRAM | |
43 | 16 MByte SDRAM | |
44 | ||
45 | Timer: TIMER0: high priority programmable timer (IRQ16) | |
46 | TIMER1: low priority fixed timer for 10 ms @ 50 MHz (IRQ50) | |
47 | ||
6d0f6bcf JCPV |
48 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_TICK_TIMER = 1 |
49 | CONFIG_SYS_NIOS_CPU_USER_TIMER = 0 | |
c935d3bd WD |
50 | |
51 | PIO: Nr. | description | |
52 | ------+-------------------------------------------------------- | |
53 | PIO0 | BUTTON: 4 inputs for user push buttons (IRQ40) | |
54 | PIO1 | LCD: 11 in/outputs for ASCII LCD | |
55 | PIO2 | LED: 8 outputs for user LEDs | |
56 | PIO3 | SEVENSEG: 16 outputs for user seven segment display | |
57 | PIO4 | RECONF: 1 in/output for . . . . . . . . . . . . | |
58 | PIO5 | CFPRESENT: 1 input for CF present event (IRQ35) | |
59 | PIO6 | CFPOWER: 1 output to controll CF power supply | |
60 | PIO7 | CFATASEL: 1 output to controll CF ATA card select | |
61 | ||
6d0f6bcf JCPV |
62 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_BUTTON_PIO = 0 |
63 | CONFIG_SYS_NIOS_CPU_LCD_PIO = 1 | |
64 | CONFIG_SYS_NIOS_CPU_LED_PIO = 2 | |
65 | CONFIG_SYS_NIOS_CPU_SEVENSEG_PIO = 3 | |
66 | CONFIG_SYS_NIOS_CPU_RECONF_PIO = 4 | |
67 | CONFIG_SYS_NIOS_CPU_CFPRESENT_PIO = 5 | |
68 | CONFIG_SYS_NIOS_CPU_CFPOWER_PIO = 6 | |
69 | CONFIG_SYS_NIOS_CPU_CFATASEL_PIO = 7 | |
c935d3bd WD |
70 | |
71 | UART: UART0: fixed baudrate of 115200, fixed protocol 8N1, | |
72 | without handshake RTS/CTS (IRQ25) | |
73 | ||
74 | LAN: SMsC LAN91C111 with: | |
75 | - offset 0x300 (LAN91C111_REGISTERS_OFFSET) | |
76 | - data bus width 32 bit (LAN91C111_DATA_BUS_WIDTH) | |
77 | ||
78 | IDE: (TODO) | |
79 | ||
80 | ||
81 | =============================================================================== | |
82 | M E M O R Y M A P | |
83 | =============================================================================== | |
84 | ||
85 | - - - - - - - - - - - external memory 2 - - - - - - - - - - - - - - - - - - - | |
86 | ||
87 | 0x02000000 ---32-----------16|15------------0- | |
88 | | : | \ | |
89 | | : | | | |
6d0f6bcf | 90 | SDRAM | : | > CONFIG_SYS_NIOS_CPU_SDRAM_SIZE |
c935d3bd WD |
91 | | : | | = 0x01000000 |
92 | | : | / | |
6d0f6bcf | 93 | 0x01000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SDRAM_BASE |
c935d3bd WD |
94 | | | |
95 | : gap : | |
96 | : : | |
97 | ||
98 | - - - - - - - - - - - on chip i/o - - - - - - - - - - - - - - - - - - - | |
99 | ||
100 | : : | |
101 | : gap : | |
102 | | | | |
103 | 0x00920a80 ---32-----------16|15------------0- | |
104 | | | | \ | |
105 | : (real size : : | | |
106 | IDE i/f : and content : : > 0x00000080 | |
107 | [5] : unknown) : : | | |
108 | | | | / | |
6d0f6bcf | 109 | 0x00920a00 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE0 |
c935d3bd WD |
110 | | (unused) | \ |
111 | + 0x1c |- - - - - - - - - - - - - - - -| | | |
112 | | (unused) | | | |
113 | + 0x18 |- - - - - - - - - - - - - - - -| | | |
114 | | (unused) | | | |
115 | + 0x14 |- - - - - - - - - - - - - - - -| | | |
116 | TIMER1 | (unused) | | | |
117 | [3] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 | |
118 | | (unused) | | | |
119 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
120 | | (unused) | | | |
121 | + 0x08 |- - - - - - - - - - - - - - - -| | | |
122 | | control (1 bit) (rw) | | | |
123 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
124 | | status (2 bit) (rw) | / | |
6d0f6bcf | 125 | 0x009209e0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_TIMER1 |
c935d3bd WD |
126 | | (unused) | \ |
127 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
128 | PIO7 | (unused) | | | |
129 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
130 | | (unused) | | | |
131 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
132 | | data (1 bit) (wo) | / | |
6d0f6bcf | 133 | 0x009209d0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO7 |
c935d3bd WD |
134 | | (unused) | \ |
135 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
136 | PIO6 | (unused) | | | |
137 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
138 | | (unused) | | | |
139 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
140 | | data (1 bit) (wo) | / | |
6d0f6bcf | 141 | 0x009209c0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO6 |
c935d3bd WD |
142 | | edgecapture (1 bit) (rw) | \ |
143 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
144 | PIO5 | interruptmask (1 bit) (rw) | | | |
145 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
146 | | (unused) | | | |
147 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
148 | | data (1 bit) (ro) | / | |
6d0f6bcf | 149 | 0x009209b0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO5 |
c935d3bd WD |
150 | | (unused) | \ |
151 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
152 | PIO4 | (unused) | | | |
153 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
154 | | direction (1 bit) (rw) | | | |
155 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
156 | | data (1 bit) (rw) | / | |
6d0f6bcf | 157 | 0x009209a0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO4 |
c935d3bd WD |
158 | | (unused) | \ |
159 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
160 | PIO3 | (unused) | | | |
161 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
162 | | (unused) | | | |
163 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
164 | | data (16 bit) (wo) | / | |
6d0f6bcf | 165 | 0x00920990 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO3 |
c935d3bd WD |
166 | | (unused) | \ |
167 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
168 | PIO2 | (unused) | | | |
169 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
170 | | (unused) | | | |
171 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
172 | | data (8 bit) (wo) | / | |
6d0f6bcf | 173 | 0x00920980 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO2 |
c935d3bd WD |
174 | | (unused) | \ |
175 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
176 | PIO1 | (unused) | | | |
177 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
178 | | direction (11 bit) (rw) | | | |
179 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
180 | | data (11 bit) (rw) | / | |
6d0f6bcf | 181 | 0x00920970 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO1 |
c935d3bd WD |
182 | | edgecapture (4 bit) (rw) | \ |
183 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
184 | PIO0 | interruptmask (4 bit) (rw) | | | |
185 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
186 | | (unused) | | | |
187 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
188 | | data (4 bit) (ro) | / | |
6d0f6bcf | 189 | 0x00920960 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO0 |
c935d3bd WD |
190 | | (unused) | \ |
191 | + 0x1c |- - - - - - - - - - - - - - - -| | | |
192 | | (unused) | | | |
193 | + 0x18 |- - - - - - - - - - - - - - - -| | | |
194 | | snaph (16 bit) (rw) | | | |
195 | + 0x14 |- - - - - - - - - - - - - - - -| | | |
196 | TIMER0 | snapl (16 bit) (rw) | | | |
197 | [3] + 0x10 |- - - - - - - - - - - - - - - -| > 0x00000020 | |
198 | | periodh (16 bit) (rw) | | | |
199 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
200 | | periodl (16 bit) (rw) | | | |
201 | + 0x08 |- - - - - - - - - - - - - - - -| | | |
202 | | control (4 bit) (rw) | | | |
203 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
204 | | status (2 bit) (rw) | / | |
6d0f6bcf | 205 | 0x00920940 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_TIMER0 |
c935d3bd WD |
206 | | | \ |
207 | : gap : > (space for UART1) | |
208 | | | / | |
209 | 0x00920920 ---32-----------16|15------------0- | |
210 | | (unused) | \ | |
211 | + 0x1c |- - - - - - - - - - - - - - - -| | | |
212 | | (unused) | | | |
213 | + 0x18 |- - - - - - - - - - - - - - - -| | | |
214 | | (unused) | | | |
215 | + 0x14 |- - - - - - - - - - - - - - - -| | | |
216 | UART0 | (unused) | > 0x00000020 | |
217 | [2] + 0x10 |- - - - - - - - - - - - - - - -| | | |
218 | | control (10 bit) (rw) | | | |
219 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
220 | | status (10 bit) (rw) | | | |
221 | + 0x08 |- - - - - - - - - - - - - - - -| | | |
222 | | txdata (8 bit) (wo) | | | |
223 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
224 | | rxdata (8 bit) (ro) | / | |
6d0f6bcf | 225 | 0x00920900 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART0 |
c935d3bd WD |
226 | |
227 | - - - - - - - - - - - on chip debugging - - - - - - - - - - - - - - - - - - - | |
228 | ||
229 | 0x00920900 ----------------------------------- | |
230 | | | \ | |
231 | : (real size : | | |
6d0f6bcf | 232 | OCI Debug : and content : > CONFIG_SYS_NIOS_CPU_OCI_SIZE |
c935d3bd WD |
233 | : unknown) : | = 0x00000100 |
234 | | | / | |
6d0f6bcf | 235 | 0x00920800 ----------------------------------- CONFIG_SYS_NIOS_CPU_OCI_BASE |
c935d3bd WD |
236 | |
237 | - - - - - - - - - - - on chip memory 2 - - - - - - - - - - - | |
238 | ||
239 | 0x00920800 ---32-----------16|15------------0- | |
240 | | : | \ | |
241 | | : | | | |
6d0f6bcf | 242 | GERMS | : | > CONFIG_SYS_NIOS_CPU_ROM_SIZE |
c935d3bd WD |
243 | | : | | = 0x00000800 |
244 | | : | / | |
6d0f6bcf JCPV |
245 | 0x00920000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_RST_VECT |
246 | 0x00920000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_ROM_BASE | |
c935d3bd WD |
247 | |
248 | - - - - - - - - - - - external i/o - - - - - - - - - - - - - - - - - - - | |
249 | ||
250 | 0x00920000 ---32-----------16|15------------0- | |
251 | | gap | \ | |
252 | 0x00910310 --+-------------------------------| | | |
253 | | | | | |
254 | | register bank (size = 0x10) | | | |
255 | | +--------.---.---.--- | | | |
256 | | | bank 0 \ 1 \ 2 \ 3 \ | | | |
257 | | |---------------------------+ | | | |
258 | LAN91C111 | | BANK | RESERVED | | | | |
259 | | |- - - - - - -|- - - - - - -| | > na_lan91c111_size | |
260 | | | RPCR | MIR | | | = 0x00010000 | |
261 | | |- - - - - - -|- - - - - - -| | | | |
262 | | | COUNTER | RCR | | | | |
263 | | |- - - - - - -|- - - - - - -| | | | |
264 | | | EPH STATUS | TCR | | | | |
265 | | +---------------------------+ | | | |
266 | 0x00910300 --+--LAN91C111_REGISTERS_OFFSET---| | | |
267 | | gap | / | |
6d0f6bcf | 268 | 0x00910000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_LAN0_BASE |
c935d3bd WD |
269 | |
270 | - - - - - - - - - - - on chip memory 1 - - - - - - - - - - - | |
271 | ||
272 | 0x00910000 ---32-----------16|15------------0- | |
273 | | : | \ | |
274 | | : | | | |
6d0f6bcf | 275 | onchip RAM | : | > CONFIG_SYS_NIOS_CPU_RAM_SIZE |
c935d3bd WD |
276 | | : | | = 0x00010000 |
277 | | : | / | |
6d0f6bcf | 278 | 0x00900000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_RAM_BASE |
c935d3bd WD |
279 | |
280 | - - - - - - - - - - - external memory 1 - - - - - - - - - - - - - - - - - - - | |
281 | ||
282 | 0x00900000 ---32-----------16|15------------0- | |
283 | 0x00900000 --+32-----------16|15------------0+ | |
284 | | . | \ \ | |
285 | | . | | | | |
6d0f6bcf | 286 | | . | | > CONFIG_SYS_NIOS_CPU_VEC_SIZE |
c935d3bd WD |
287 | | . | | | = 0x00000100 |
288 | | . | | / | |
6d0f6bcf JCPV |
289 | 0x008fff00 |- - - - - - - - - - - - - - - -+-|- CONFIG_SYS_NIOS_CPU_VEC_BASE |
290 | 0x008fff00 |- - - - - - - - - - - - - - - -+-|- CONFIG_SYS_NIOS_CPU_STACK | |
c935d3bd WD |
291 | | . | | \ |
292 | | . | | | | |
293 | | . | | > stack area | |
294 | | . | | | | |
295 | | . | | V | |
296 | | . | | | |
6d0f6bcf | 297 | SRAM | . | > CONFIG_SYS_NIOS_CPU_SRAM_SIZE |
c935d3bd WD |
298 | | . | | = 0x00100000 |
299 | | | / | |
6d0f6bcf | 300 | 0x00800000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SRAM_BASE |
c935d3bd WD |
301 | 0x00800000 ---8-------------4|3-------------0- |
302 | | sector 127 | \ | |
303 | + 0x7f0000 |- - - - - - - - - - - - - - - -| | | |
304 | | : | | | |
6d0f6bcf | 305 | Flash |- - - - : - - - -| > CONFIG_SYS_NIOS_CPU_FLASH_SIZE |
c935d3bd WD |
306 | | sector 1 : | | = 0x00800000 |
307 | + 0x010000 |- - - - - - - - - - - - - - - -| | | |
308 | | sector 0 (size = 0x10000) | / | |
6d0f6bcf | 309 | 0x00000000 ---8-------------4|3-------------0- CONFIG_SYS_NIOS_CPU_FLASH_BASE |
c935d3bd WD |
310 | |
311 | ||
312 | =============================================================================== | |
313 | F L A S H M E M O R Y A L L O C A T I O N | |
314 | =============================================================================== | |
315 | ||
316 | 0x00800000 ---8-------------4|3-------------0- | |
317 | | : | \ | |
318 | SAFE | : | > 1 MByte | |
319 | FPGA conf. | : | / (NOT usable by software) | |
320 | 0x00700000 --+- - - - - - - -:- - - - - - - -+- | |
321 | | : | \ | |
322 | USER | : | > 1 MByte | |
323 | FPGA conf. | : | / (NOT usable by software) | |
324 | 0x00600000 --+- - - - - - - -:- - - - - - - -+- | |
325 | | : | \ | |
326 | | : | | | |
327 | WEB pages | : | > 2 MByte | |
328 | | : | | (provisory usable) | |
329 | | : | / | |
330 | 0x00400000 --+- - - - - - - -:- - - - - - - -+- | |
331 | | : | \ | |
332 | | : | | | |
333 | | : | | | |
334 | | : | > 4 MByte free for use | |
335 | | : | | | |
336 | 0x00040000 --+- - - - - - - -:- - - - - - - -+-|- u-boot _start() | |
337 | | : | / | |
ec4c544b | 338 | 0x00000000 |- - - - - - - -:- - - - - - - -+- - u-boot environment |
c935d3bd WD |
339 | 0x00000000 ---8-------------4|3-------------0- |
340 | ||
341 | ||
342 | =============================================================================== | |
343 | R E F E R E N C E S | |
344 | =============================================================================== | |
345 | [1] http://www.altera.com/literature/manual/mnl_nios_board_stratix_1s10.pdf | |
346 | [2] http://www.altera.com/literature/ds/ds_nios_uart.pdf | |
347 | [3] http://www.altera.com/literature/ds/ds_nios_timer.pdf | |
348 | [4] http://www.altera.com/literature/ds/ds_nios_pio.pdf | |
349 | [5] http://www.opencores.org/projects/ata/ | |
350 | http://www.t13.org/index.html | |
351 | ||
352 | ||
353 | =============================================================================== | |
354 | Stephan Linz <linz@li-pro.net> |