]>
Commit | Line | Data |
---|---|---|
ec4c544b WD |
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 | ||
6d0f6bcf JCPV |
21 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_CLK = 75000000 |
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 | |
ec4c544b WD |
28 | |
29 | IRQ: Nr. | used by | |
30 | ------+-------------------------------------------------------- | |
6d0f6bcf JCPV |
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 = 20 | |
35 | 25 | IDE0 | CONFIG_SYS_NIOS_CPU_IDE0_IRQ = 25 | |
ec4c544b WD |
36 | |
37 | MEMORY: 8 MByte Flash | |
38 | 16 MByte SDRAM | |
39 | ||
40 | Timer: TIMER0: high priority programmable timer (IRQ16) | |
41 | ||
6d0f6bcf JCPV |
42 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_TICK_TIMER = 0 |
43 | CONFIG_SYS_NIOS_CPU_USER_TIMER = (not present) | |
ec4c544b WD |
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 | ||
6d0f6bcf JCPV |
57 | U-Boot CFG: CONFIG_SYS_NIOS_CPU_BUTTON_PIO = 1 |
58 | CONFIG_SYS_NIOS_CPU_LCD_PIO = (not present) | |
59 | CONFIG_SYS_NIOS_CPU_LED_PIO = (not present) | |
60 | CONFIG_SYS_NIOS_CPU_SEVENSEG_PIO = (not present) | |
61 | CONFIG_SYS_NIOS_CPU_RECONF_PIO = (not present) | |
62 | CONFIG_SYS_NIOS_CPU_CFPRESENT_PIO = (not present) | |
63 | CONFIG_SYS_NIOS_CPU_CFPOWER_PIO = 0 | |
64 | CONFIG_SYS_NIOS_CPU_CFATASEL_PIO = (not present) | |
ec4c544b WD |
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 | ||
6d0f6bcf | 84 | 0x02000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_STACK |
ec4c544b WD |
85 | 0x02000000 --+32-----------16|15------------0+ |
86 | | . | \ \ | |
87 | | . | | | | |
88 | | . | | > stack area | |
89 | | . | | | | |
90 | | . | | V | |
91 | | . | | | |
92 | | . | | | |
6d0f6bcf | 93 | SDRAM | . | > CONFIG_SYS_NIOS_CPU_SDRAM_SIZE |
ec4c544b WD |
94 | | . | | = 0x01000000 |
95 | | . | | | |
96 | 0x01000100 |- - - - - - - - - - - - - - - -+-|- | |
97 | | . | | \ | |
98 | | . | | | | |
6d0f6bcf | 99 | | . | | > CONFIG_SYS_NIOS_CPU_VEC_SIZE |
ec4c544b WD |
100 | | . | | | = 0x00000100 |
101 | | | / / | |
6d0f6bcf JCPV |
102 | 0x01000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_VEC_BASE |
103 | 0x01000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_SDRAM_BASE | |
ec4c544b WD |
104 | | sector 127 | \ |
105 | + 0x7f0000 |- - - - - - - - - - - - - - - -| | | |
106 | | : | | | |
6d0f6bcf | 107 | Flash |- - - - : - - - -| > CONFIG_SYS_NIOS_CPU_FLASH_SIZE |
ec4c544b WD |
108 | | sector 1 : | | = 0x00800000 |
109 | + 0x010000 |- - - - - - - - - - - - - - - -| | | |
110 | | sector 0 (size = 0x10000) | / | |
6d0f6bcf | 111 | 0x00800000 ---8-------------4|3-------------0- CONFIG_SYS_NIOS_CPU_FLASH_BASE |
ec4c544b WD |
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 | / | |
6d0f6bcf | 139 | 0x00010000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_LAN0_BASE |
ec4c544b WD |
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 | | | | / | |
6d0f6bcf | 155 | 0x00000900 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_IDE0 |
ec4c544b WD |
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) | / | |
6d0f6bcf | 175 | 0x000008a0 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART1 |
ec4c544b WD |
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) | / | |
6d0f6bcf | 187 | 0x00000870 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO1 |
ec4c544b WD |
188 | | (unused) | \ |
189 | + 0x0c |- - - - - - - - - - - - - - - -| | | |
190 | PIO0 | (unused) | | | |
191 | [4] + 0x08 |- - - - - - - - - - - - - - - -| > 0x00000010 | |
192 | | (unused) | | | |
193 | + 0x04 |- - - - - - - - - - - - - - - -| | | |
194 | | data (1 bit) (wo) | / | |
6d0f6bcf | 195 | 0x00000860 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_PIO0 |
ec4c544b WD |
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) | / | |
6d0f6bcf | 211 | 0x00000840 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_TIMER0 |
ec4c544b WD |
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) | / | |
6d0f6bcf | 231 | 0x00000800 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_UART0 |
ec4c544b WD |
232 | |
233 | - - - - - - - - - - - on chip memory 1 - - - - - - - - - - - | |
234 | ||
235 | 0x00000800 ---32-----------16|15------------0- | |
236 | | : | \ | |
237 | | : | | | |
6d0f6bcf | 238 | GERMS | : | > CONFIG_SYS_NIOS_CPU_ROM_SIZE |
ec4c544b WD |
239 | | : | | = 0x00000800 |
240 | | : | / | |
6d0f6bcf JCPV |
241 | 0x00000000 |- - - - - - - - - - - - - - - -+- - CONFIG_SYS_NIOS_CPU_RST_VECT |
242 | 0x00000000 ---32-----------16|15------------0- CONFIG_SYS_NIOS_CPU_ROM_BASE | |
ec4c544b WD |
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> |