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Commit | Line | Data |
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fe8c2806 | 1 | /* |
9b998b0c | 2 | * (C) Copyright 2000-2011 |
fe8c2806 WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <watchdog.h> | |
26 | #include <command.h> | |
27 | #include <malloc.h> | |
52cb4d4f | 28 | #include <stdio_dev.h> |
fe8c2806 WD |
29 | #ifdef CONFIG_8xx |
30 | #include <mpc8xx.h> | |
31 | #endif | |
0db5bca8 WD |
32 | #ifdef CONFIG_5xx |
33 | #include <mpc5xx.h> | |
34 | #endif | |
cbd8a35c | 35 | #ifdef CONFIG_MPC5xxx |
945af8d7 WD |
36 | #include <mpc5xxx.h> |
37 | #endif | |
7def6b34 | 38 | #if defined(CONFIG_CMD_IDE) |
fe8c2806 WD |
39 | #include <ide.h> |
40 | #endif | |
7def6b34 | 41 | #if defined(CONFIG_CMD_SCSI) |
fe8c2806 WD |
42 | #include <scsi.h> |
43 | #endif | |
7def6b34 | 44 | #if defined(CONFIG_CMD_KGDB) |
fe8c2806 WD |
45 | #include <kgdb.h> |
46 | #endif | |
47 | #ifdef CONFIG_STATUS_LED | |
48 | #include <status_led.h> | |
49 | #endif | |
50 | #include <net.h> | |
272cc70b AF |
51 | #ifdef CONFIG_GENERIC_MMC |
52 | #include <mmc.h> | |
53 | #endif | |
281e00a3 | 54 | #include <serial.h> |
6d0f6bcf | 55 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
9c4c5ae3 | 56 | #if !defined(CONFIG_CPM2) |
fe8c2806 WD |
57 | #include <commproc.h> |
58 | #endif | |
7aa78614 | 59 | #endif |
fe8c2806 WD |
60 | #include <version.h> |
61 | #if defined(CONFIG_BAB7xx) | |
62 | #include <w83c553f.h> | |
63 | #endif | |
64 | #include <dtt.h> | |
65 | #if defined(CONFIG_POST) | |
66 | #include <post.h> | |
67 | #endif | |
56f94be3 WD |
68 | #if defined(CONFIG_LOGBUFFER) |
69 | #include <logbuff.h> | |
70 | #endif | |
9c67352f | 71 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
42d1f039 WD |
72 | #include <asm/cache.h> |
73 | #endif | |
1c43771b WD |
74 | #ifdef CONFIG_PS2KBD |
75 | #include <keyboard.h> | |
76 | #endif | |
fe8c2806 | 77 | |
ecf5b98c KG |
78 | #ifdef CONFIG_ADDR_MAP |
79 | #include <asm/mmu.h> | |
80 | #endif | |
81 | ||
fc39c2fd KG |
82 | #ifdef CONFIG_MP |
83 | #include <asm/mp.h> | |
84 | #endif | |
85 | ||
310cecb8 LCM |
86 | #ifdef CONFIG_BITBANGMII |
87 | #include <miiphy.h> | |
88 | #endif | |
89 | ||
6d0f6bcf | 90 | #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE |
9b998b0c | 91 | extern int update_flash_size(int flash_size); |
fa230445 HS |
92 | #endif |
93 | ||
9045f33c | 94 | #if defined(CONFIG_SC3) |
ca43ba18 HS |
95 | extern void sc3_read_eeprom(void); |
96 | #endif | |
97 | ||
7def6b34 | 98 | #if defined(CONFIG_CMD_DOC) |
9b998b0c | 99 | void doc_init(void); |
fe8c2806 WD |
100 | #endif |
101 | #if defined(CONFIG_HARD_I2C) || \ | |
102 | defined(CONFIG_SOFT_I2C) | |
103 | #include <i2c.h> | |
104 | #endif | |
04a9e118 | 105 | #include <spi.h> |
d6ac2ed8 | 106 | #include <nand.h> |
fe8c2806 WD |
107 | |
108 | static char *failed = "*** failed ***\n"; | |
109 | ||
544d97e9 | 110 | #if defined(CONFIG_OXC) || defined(CONFIG_RMU) |
fe8c2806 | 111 | extern flash_info_t flash_info[]; |
17d704eb | 112 | #endif |
fe8c2806 | 113 | |
ca43ba18 HS |
114 | #if defined(CONFIG_START_IDE) |
115 | extern int board_start_ide(void); | |
116 | #endif | |
fe8c2806 | 117 | #include <environment.h> |
d87080b7 | 118 | |
bce84c4d | 119 | DECLARE_GLOBAL_DATA_PTR; |
fe8c2806 | 120 | |
6d0f6bcf JCPV |
121 | #if !defined(CONFIG_SYS_MEM_TOP_HIDE) |
122 | #define CONFIG_SYS_MEM_TOP_HIDE 0 | |
6fb4b640 SR |
123 | #endif |
124 | ||
3b57fe0a | 125 | extern ulong __init_end; |
44c6e659 | 126 | extern ulong __bss_end__; |
3b57fe0a WD |
127 | ulong monitor_flash_len; |
128 | ||
7def6b34 | 129 | #if defined(CONFIG_CMD_BEDBUG) |
8bde7f77 WD |
130 | #include <bedbug/type.h> |
131 | #endif | |
132 | ||
9b998b0c WD |
133 | /* |
134 | * Utilities | |
fe8c2806 WD |
135 | */ |
136 | ||
fe8c2806 WD |
137 | /* |
138 | * All attempts to come up with a "common" initialization sequence | |
139 | * that works for all boards and architectures failed: some of the | |
140 | * requirements are just _too_ different. To get rid of the resulting | |
141 | * mess of board dependend #ifdef'ed code we now make the whole | |
142 | * initialization sequence configurable to the user. | |
143 | * | |
144 | * The requirements for any new initalization function is simple: it | |
145 | * receives a pointer to the "global data" structure as it's only | |
146 | * argument, and returns an integer return code, where 0 means | |
147 | * "continue" and != 0 means "fatal error, hang the system". | |
148 | */ | |
9b998b0c | 149 | typedef int (init_fnc_t)(void); |
fe8c2806 | 150 | |
9b998b0c WD |
151 | /* |
152 | * Init Utilities | |
153 | * | |
fe8c2806 WD |
154 | * Some of this code should be moved into the core functions, |
155 | * but let's get it working (again) first... | |
156 | */ | |
157 | ||
9b998b0c | 158 | static int init_baudrate(void) |
fe8c2806 | 159 | { |
1272592e SG |
160 | gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
161 | return 0; | |
fe8c2806 WD |
162 | } |
163 | ||
164 | /***********************************************************************/ | |
165 | ||
79f240f7 KP |
166 | void __board_add_ram_info(int use_default) |
167 | { | |
168 | /* please define platform specific board_add_ram_info() */ | |
169 | } | |
9b998b0c WD |
170 | |
171 | void board_add_ram_info(int) | |
172 | __attribute__ ((weak, alias("__board_add_ram_info"))); | |
79f240f7 | 173 | |
c62491d2 JS |
174 | int __board_flash_wp_on(void) |
175 | { | |
176 | /* | |
177 | * Most flashes can't be detected when write protection is enabled, | |
178 | * so provide a way to let U-Boot gracefully ignore write protected | |
179 | * devices. | |
180 | */ | |
181 | return 0; | |
182 | } | |
9b998b0c WD |
183 | |
184 | int board_flash_wp_on(void) | |
185 | __attribute__ ((weak, alias("__board_flash_wp_on"))); | |
d96f41e0 | 186 | |
f9a33f1c KG |
187 | void __cpu_secondary_init_r(void) |
188 | { | |
189 | } | |
9b998b0c | 190 | |
f9a33f1c | 191 | void cpu_secondary_init_r(void) |
9b998b0c | 192 | __attribute__ ((weak, alias("__cpu_secondary_init_r"))); |
f9a33f1c | 193 | |
9b998b0c | 194 | static int init_func_ram(void) |
fe8c2806 | 195 | { |
fe8c2806 WD |
196 | #ifdef CONFIG_BOARD_TYPES |
197 | int board_type = gd->board_type; | |
198 | #else | |
199 | int board_type = 0; /* use dummy arg */ | |
200 | #endif | |
9b998b0c | 201 | puts("DRAM: "); |
fe8c2806 | 202 | |
9b998b0c WD |
203 | gd->ram_size = initdram(board_type); |
204 | ||
205 | if (gd->ram_size > 0) { | |
206 | print_size(gd->ram_size, ""); | |
d96f41e0 | 207 | board_add_ram_info(0); |
d96f41e0 | 208 | putc('\n'); |
9b998b0c | 209 | return 0; |
fe8c2806 | 210 | } |
9b998b0c WD |
211 | puts(failed); |
212 | return 1; | |
fe8c2806 WD |
213 | } |
214 | ||
215 | /***********************************************************************/ | |
216 | ||
217 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) | |
9b998b0c | 218 | static int init_func_i2c(void) |
fe8c2806 | 219 | { |
9b998b0c WD |
220 | puts("I2C: "); |
221 | i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); | |
222 | puts("ready\n"); | |
223 | return 0; | |
fe8c2806 WD |
224 | } |
225 | #endif | |
226 | ||
04a9e118 | 227 | #if defined(CONFIG_HARD_SPI) |
9b998b0c | 228 | static int init_func_spi(void) |
04a9e118 | 229 | { |
9b998b0c WD |
230 | puts("SPI: "); |
231 | spi_init(); | |
232 | puts("ready\n"); | |
233 | return 0; | |
04a9e118 BW |
234 | } |
235 | #endif | |
236 | ||
fe8c2806 WD |
237 | /***********************************************************************/ |
238 | ||
239 | #if defined(CONFIG_WATCHDOG) | |
9b998b0c | 240 | static int init_func_watchdog_init(void) |
fe8c2806 | 241 | { |
9b998b0c WD |
242 | puts(" Watchdog enabled\n"); |
243 | WATCHDOG_RESET(); | |
244 | return 0; | |
fe8c2806 | 245 | } |
fe8c2806 | 246 | |
9b998b0c WD |
247 | #define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init, |
248 | ||
249 | static int init_func_watchdog_reset(void) | |
fe8c2806 | 250 | { |
9b998b0c WD |
251 | WATCHDOG_RESET(); |
252 | return 0; | |
fe8c2806 | 253 | } |
9b998b0c WD |
254 | |
255 | #define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset, | |
fe8c2806 | 256 | #else |
9b998b0c WD |
257 | #define INIT_FUNC_WATCHDOG_INIT /* undef */ |
258 | #define INIT_FUNC_WATCHDOG_RESET /* undef */ | |
fe8c2806 WD |
259 | #endif /* CONFIG_WATCHDOG */ |
260 | ||
9b998b0c WD |
261 | /* |
262 | * Initialization sequence | |
fe8c2806 WD |
263 | */ |
264 | ||
265 | init_fnc_t *init_sequence[] = { | |
0e870980 PA |
266 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
267 | probecpu, | |
268 | #endif | |
91525c67 AV |
269 | #if defined(CONFIG_BOARD_EARLY_INIT_F) |
270 | board_early_init_f, | |
271 | #endif | |
66ca92a5 | 272 | #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) |
fe8c2806 | 273 | get_clocks, /* get CPU and bus clocks (etc.) */ |
090eb735 MK |
274 | #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ |
275 | && !defined(CONFIG_TQM885D) | |
e9132ea9 WD |
276 | adjust_sdram_tbs_8xx, |
277 | #endif | |
fe8c2806 | 278 | init_timebase, |
c178d3da | 279 | #endif |
6d0f6bcf | 280 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
9c4c5ae3 | 281 | #if !defined(CONFIG_CPM2) |
fe8c2806 WD |
282 | dpram_init, |
283 | #endif | |
7aa78614 | 284 | #endif |
fe8c2806 WD |
285 | #if defined(CONFIG_BOARD_POSTCLK_INIT) |
286 | board_postclk_init, | |
287 | #endif | |
288 | env_init, | |
66ca92a5 | 289 | #if defined(CONFIG_8xx_CPUCLK_DEFAULT) |
9b998b0c WD |
290 | /* get CPU and bus clocks according to the environment variable */ |
291 | get_clocks_866, | |
292 | /* adjust sdram refresh rate according to the new clock */ | |
293 | sdram_adjust_866, | |
c178d3da WD |
294 | init_timebase, |
295 | #endif | |
fe8c2806 WD |
296 | init_baudrate, |
297 | serial_init, | |
298 | console_init_f, | |
299 | display_options, | |
300 | #if defined(CONFIG_8260) | |
301 | prt_8260_rsr, | |
302 | prt_8260_clks, | |
303 | #endif /* CONFIG_8260 */ | |
0f898604 | 304 | #if defined(CONFIG_MPC83xx) |
9be39a67 DL |
305 | prt_83xx_rsr, |
306 | #endif | |
fe8c2806 | 307 | checkcpu, |
cbd8a35c | 308 | #if defined(CONFIG_MPC5xxx) |
945af8d7 | 309 | prt_mpc5xxx_clks, |
cbd8a35c | 310 | #endif /* CONFIG_MPC5xxx */ |
983fda83 WD |
311 | #if defined(CONFIG_MPC8220) |
312 | prt_mpc8220_clks, | |
313 | #endif | |
fe8c2806 WD |
314 | checkboard, |
315 | INIT_FUNC_WATCHDOG_INIT | |
c837dcb1 | 316 | #if defined(CONFIG_MISC_INIT_F) |
fe8c2806 WD |
317 | misc_init_f, |
318 | #endif | |
319 | INIT_FUNC_WATCHDOG_RESET | |
320 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) | |
321 | init_func_i2c, | |
322 | #endif | |
04a9e118 BW |
323 | #if defined(CONFIG_HARD_SPI) |
324 | init_func_spi, | |
325 | #endif | |
4532cb69 WD |
326 | #ifdef CONFIG_POST |
327 | post_init_f, | |
fe8c2806 | 328 | #endif |
9b998b0c | 329 | INIT_FUNC_WATCHDOG_RESET init_func_ram, |
6d0f6bcf | 330 | #if defined(CONFIG_SYS_DRAM_TEST) |
fe8c2806 | 331 | testdram, |
6d0f6bcf | 332 | #endif /* CONFIG_SYS_DRAM_TEST */ |
fe8c2806 | 333 | INIT_FUNC_WATCHDOG_RESET |
9b998b0c | 334 | NULL, /* Terminate this list */ |
fe8c2806 WD |
335 | }; |
336 | ||
81d93e5c KG |
337 | ulong get_effective_memsize(void) |
338 | { | |
339 | #ifndef CONFIG_VERY_BIG_RAM | |
340 | return gd->ram_size; | |
341 | #else | |
342 | /* limit stack to what we can reasonable map */ | |
343 | return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ? | |
9b998b0c | 344 | CONFIG_MAX_MEM_MAPPED : gd->ram_size); |
81d93e5c KG |
345 | #endif |
346 | } | |
347 | ||
9b998b0c | 348 | /* |
fe8c2806 WD |
349 | * This is the first part of the initialization sequence that is |
350 | * implemented in C, but still running from ROM. | |
351 | * | |
352 | * The main purpose is to provide a (serial) console interface as | |
353 | * soon as possible (so we can see any error messages), and to | |
354 | * initialize the RAM so that we can relocate the monitor code to | |
355 | * RAM. | |
356 | * | |
357 | * Be aware of the restrictions: global data is read-only, BSS is not | |
358 | * initialized, and stack space is limited to a few kB. | |
fe8c2806 WD |
359 | */ |
360 | ||
95d449ad MB |
361 | #ifdef CONFIG_LOGBUFFER |
362 | unsigned long logbuffer_base(void) | |
363 | { | |
6d0f6bcf | 364 | return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN; |
95d449ad MB |
365 | } |
366 | #endif | |
367 | ||
9b998b0c | 368 | void board_init_f(ulong bootflag) |
fe8c2806 | 369 | { |
fe8c2806 WD |
370 | bd_t *bd; |
371 | ulong len, addr, addr_sp; | |
7bc5ee07 | 372 | ulong *s; |
fe8c2806 WD |
373 | gd_t *id; |
374 | init_fnc_t **init_fnc_ptr; | |
9b998b0c | 375 | |
fe8c2806 | 376 | #ifdef CONFIG_PRAM |
fe8c2806 | 377 | ulong reg; |
fe8c2806 WD |
378 | #endif |
379 | ||
380 | /* Pointer is writable since we allocated a register for it */ | |
6d0f6bcf | 381 | gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
93f6a677 | 382 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
9b998b0c | 383 | __asm__ __volatile__("":::"memory"); |
fe8c2806 | 384 | |
82826d54 DZ |
385 | #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \ |
386 | !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \ | |
387 | !defined(CONFIG_MPC86xx) | |
fe8c2806 | 388 | /* Clear initial global data */ |
9b998b0c | 389 | memset((void *) gd, 0, sizeof(gd_t)); |
fe8c2806 WD |
390 | #endif |
391 | ||
9b998b0c WD |
392 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) |
393 | if ((*init_fnc_ptr) () != 0) | |
394 | hang(); | |
fe8c2806 | 395 | |
9d256b67 BK |
396 | #ifdef CONFIG_POST |
397 | post_bootmode_init(); | |
398 | post_run(NULL, POST_ROM | post_bootmode_get(0)); | |
399 | #endif | |
400 | ||
401 | WATCHDOG_RESET(); | |
402 | ||
fe8c2806 WD |
403 | /* |
404 | * Now that we have DRAM mapped and working, we can | |
405 | * relocate the code and continue running from DRAM. | |
406 | * | |
407 | * Reserve memory at end of RAM for (top down in that order): | |
14f73ca6 | 408 | * - area that won't get touched by U-Boot and Linux (optional) |
8bde7f77 | 409 | * - kernel log buffer |
fe8c2806 WD |
410 | * - protected RAM |
411 | * - LCD framebuffer | |
412 | * - monitor code | |
413 | * - board info struct | |
414 | */ | |
44c6e659 | 415 | len = (ulong)&__bss_end__ - CONFIG_SYS_MONITOR_BASE; |
fe8c2806 | 416 | |
14f73ca6 SR |
417 | /* |
418 | * Subtract specified amount of memory to hide so that it won't | |
419 | * get "touched" at all by U-Boot. By fixing up gd->ram_size | |
420 | * the Linux kernel should now get passed the now "corrected" | |
421 | * memory size and won't touch it either. This should work | |
422 | * for arch/ppc and arch/powerpc. Only Linux board ports in | |
423 | * arch/powerpc with bootwrapper support, that recalculate the | |
424 | * memory size from the SDRAM controller setup will have to | |
425 | * get fixed. | |
426 | */ | |
6d0f6bcf | 427 | gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; |
14f73ca6 | 428 | |
6d0f6bcf | 429 | addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize(); |
fe8c2806 | 430 | |
fc39c2fd KG |
431 | #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500)) |
432 | /* | |
433 | * We need to make sure the location we intend to put secondary core | |
434 | * boot code is reserved and not used by any part of u-boot | |
c0a14aed | 435 | */ |
fc39c2fd KG |
436 | if (addr > determine_mp_bootpg()) { |
437 | addr = determine_mp_bootpg(); | |
9b998b0c | 438 | debug("Reserving MP boot page to %08lx\n", addr); |
fc39c2fd KG |
439 | } |
440 | #endif | |
441 | ||
228f29ac | 442 | #ifdef CONFIG_LOGBUFFER |
3d610186 | 443 | #ifndef CONFIG_ALT_LB_ADDR |
228f29ac WD |
444 | /* reserve kernel log buffer */ |
445 | addr -= (LOGBUFF_RESERVE); | |
9b998b0c WD |
446 | debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, |
447 | addr); | |
228f29ac | 448 | #endif |
3d610186 | 449 | #endif |
228f29ac | 450 | |
fe8c2806 WD |
451 | #ifdef CONFIG_PRAM |
452 | /* | |
453 | * reserve protected RAM | |
454 | */ | |
1272592e | 455 | reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
9b998b0c | 456 | addr -= (reg << 10); /* size is in kB */ |
1272592e | 457 | debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr); |
fe8c2806 WD |
458 | #endif /* CONFIG_PRAM */ |
459 | ||
460 | /* round down to next 4 kB limit */ | |
461 | addr &= ~(4096 - 1); | |
9b998b0c | 462 | debug("Top of RAM usable for U-Boot at: %08lx\n", addr); |
fe8c2806 WD |
463 | |
464 | #ifdef CONFIG_LCD | |
d32a1a4c MK |
465 | #ifdef CONFIG_FB_ADDR |
466 | gd->fb_base = CONFIG_FB_ADDR; | |
467 | #else | |
fe8c2806 | 468 | /* reserve memory for LCD display (always full pages) */ |
9b998b0c | 469 | addr = lcd_setmem(addr); |
fe8c2806 | 470 | gd->fb_base = addr; |
d32a1a4c | 471 | #endif /* CONFIG_FB_ADDR */ |
fe8c2806 WD |
472 | #endif /* CONFIG_LCD */ |
473 | ||
474 | #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx) | |
475 | /* reserve memory for video display (always full pages) */ | |
9b998b0c | 476 | addr = video_setmem(addr); |
fe8c2806 WD |
477 | gd->fb_base = addr; |
478 | #endif /* CONFIG_VIDEO */ | |
479 | ||
480 | /* | |
481 | * reserve memory for U-Boot code, data & bss | |
682011ff | 482 | * round down to next 4 kB limit |
fe8c2806 WD |
483 | */ |
484 | addr -= len; | |
682011ff | 485 | addr &= ~(4096 - 1); |
7d314992 WD |
486 | #ifdef CONFIG_E500 |
487 | /* round down to next 64 kB limit so that IVPR stays aligned */ | |
488 | addr &= ~(65536 - 1); | |
489 | #endif | |
fe8c2806 | 490 | |
9b998b0c | 491 | debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); |
fe8c2806 WD |
492 | |
493 | /* | |
494 | * reserve memory for malloc() arena | |
495 | */ | |
496 | addr_sp = addr - TOTAL_MALLOC_LEN; | |
9b998b0c WD |
497 | debug("Reserving %dk for malloc() at: %08lx\n", |
498 | TOTAL_MALLOC_LEN >> 10, addr_sp); | |
fe8c2806 WD |
499 | |
500 | /* | |
501 | * (permanently) allocate a Board Info struct | |
502 | * and a permanent copy of the "global" data | |
503 | */ | |
9b998b0c | 504 | addr_sp -= sizeof(bd_t); |
fe8c2806 | 505 | bd = (bd_t *) addr_sp; |
a1c4864a | 506 | memset(bd, 0, sizeof(bd_t)); |
fe8c2806 | 507 | gd->bd = bd; |
9b998b0c WD |
508 | debug("Reserving %zu Bytes for Board Info at: %08lx\n", |
509 | sizeof(bd_t), addr_sp); | |
510 | addr_sp -= sizeof(gd_t); | |
fe8c2806 | 511 | id = (gd_t *) addr_sp; |
9b998b0c WD |
512 | debug("Reserving %zu Bytes for Global Data at: %08lx\n", |
513 | sizeof(gd_t), addr_sp); | |
fe8c2806 WD |
514 | |
515 | /* | |
516 | * Finally, we set up a new (bigger) stack. | |
517 | * | |
518 | * Leave some safety gap for SP, force alignment on 16 byte boundary | |
519 | * Clear initial stack frame | |
520 | */ | |
521 | addr_sp -= 16; | |
522 | addr_sp &= ~0xF; | |
9b998b0c | 523 | s = (ulong *) addr_sp; |
7bc5ee07 WD |
524 | *s-- = 0; |
525 | *s-- = 0; | |
9b998b0c WD |
526 | addr_sp = (ulong) s; |
527 | debug("Stack Pointer at: %08lx\n", addr_sp); | |
fe8c2806 WD |
528 | |
529 | /* | |
530 | * Save local variables to board info struct | |
531 | */ | |
532 | ||
9b998b0c WD |
533 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */ |
534 | bd->bi_memsize = gd->ram_size; /* size in bytes */ | |
fe8c2806 | 535 | |
36116650 | 536 | #ifdef CONFIG_SYS_SRAM_BASE |
9b998b0c WD |
537 | bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */ |
538 | bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */ | |
fe8c2806 WD |
539 | #endif |
540 | ||
42d1f039 | 541 | #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \ |
debb7354 | 542 | defined(CONFIG_E500) || defined(CONFIG_MPC86xx) |
6d0f6bcf | 543 | bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */ |
fe8c2806 | 544 | #endif |
cbd8a35c | 545 | #if defined(CONFIG_MPC5xxx) |
6d0f6bcf | 546 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
945af8d7 | 547 | #endif |
0f898604 | 548 | #if defined(CONFIG_MPC83xx) |
6d0f6bcf | 549 | bd->bi_immrbar = CONFIG_SYS_IMMR; |
f046ccd1 | 550 | #endif |
983fda83 | 551 | #if defined(CONFIG_MPC8220) |
6d0f6bcf | 552 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
9b998b0c WD |
553 | bd->bi_inpfreq = gd->inp_clk; |
554 | bd->bi_pcifreq = gd->pci_clk; | |
555 | bd->bi_vcofreq = gd->vco_clk; | |
556 | bd->bi_pevfreq = gd->pev_clk; | |
557 | bd->bi_flbfreq = gd->flb_clk; | |
983fda83 | 558 | |
dd520bf3 WD |
559 | /* store bootparam to sram (backward compatible), here? */ |
560 | { | |
9b998b0c WD |
561 | u32 *sram = (u32 *) CONFIG_SYS_SRAM_BASE; |
562 | ||
dd520bf3 WD |
563 | *sram++ = gd->ram_size; |
564 | *sram++ = gd->bus_clk; | |
565 | *sram++ = gd->inp_clk; | |
566 | *sram++ = gd->cpu_clk; | |
567 | *sram++ = gd->vco_clk; | |
568 | *sram++ = gd->flb_clk; | |
9b998b0c | 569 | *sram++ = 0xb8c3ba11; /* boot signature */ |
dd520bf3 | 570 | } |
983fda83 | 571 | #endif |
fe8c2806 | 572 | |
9b998b0c | 573 | WATCHDOG_RESET(); |
fe8c2806 WD |
574 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ |
575 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ | |
9c4c5ae3 | 576 | #if defined(CONFIG_CPM2) |
fe8c2806 WD |
577 | bd->bi_cpmfreq = gd->cpm_clk; |
578 | bd->bi_brgfreq = gd->brg_clk; | |
579 | bd->bi_sccfreq = gd->scc_clk; | |
9b998b0c | 580 | bd->bi_vco = gd->vco_out; |
9c4c5ae3 | 581 | #endif /* CONFIG_CPM2 */ |
281ff9a4 | 582 | #if defined(CONFIG_MPC512X) |
5d49e0e1 | 583 | bd->bi_ipsfreq = gd->ips_clk; |
281ff9a4 | 584 | #endif /* CONFIG_MPC512X */ |
cbd8a35c | 585 | #if defined(CONFIG_MPC5xxx) |
945af8d7 WD |
586 | bd->bi_ipbfreq = gd->ipb_clk; |
587 | bd->bi_pcifreq = gd->pci_clk; | |
cbd8a35c | 588 | #endif /* CONFIG_MPC5xxx */ |
fe8c2806 WD |
589 | bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ |
590 | ||
6d0f6bcf | 591 | #ifdef CONFIG_SYS_EXTBDINFO |
9b998b0c WD |
592 | strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version)); |
593 | strncpy((char *) bd->bi_r_version, U_BOOT_VERSION, | |
594 | sizeof(bd->bi_r_version)); | |
fe8c2806 WD |
595 | |
596 | bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */ | |
597 | bd->bi_plb_busfreq = gd->bus_clk; | |
343c48bd SR |
598 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \ |
599 | defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ | |
600 | defined(CONFIG_440EPX) || defined(CONFIG_440GRX) | |
9b998b0c WD |
601 | bd->bi_pci_busfreq = get_PCI_freq(); |
602 | bd->bi_opbfreq = get_OPB_freq(); | |
9fea65a6 | 603 | #elif defined(CONFIG_XILINX_405) |
9b998b0c | 604 | bd->bi_pci_busfreq = get_PCI_freq(); |
fe8c2806 WD |
605 | #endif |
606 | #endif | |
607 | ||
9b998b0c | 608 | debug("New Stack Pointer is: %08lx\n", addr_sp); |
fe8c2806 | 609 | |
9b998b0c | 610 | WATCHDOG_RESET(); |
fe8c2806 | 611 | |
9b998b0c | 612 | gd->relocaddr = addr; /* Store relocation addr, useful for debug */ |
4b99327a | 613 | |
9b998b0c | 614 | memcpy(id, (void *) gd, sizeof(gd_t)); |
fe8c2806 | 615 | |
9b998b0c | 616 | relocate_code(addr_sp, id, addr); |
fe8c2806 WD |
617 | |
618 | /* NOTREACHED - relocate_code() does not return */ | |
619 | } | |
620 | ||
9b998b0c | 621 | /* |
fe8c2806 WD |
622 | * This is the next part if the initialization sequence: we are now |
623 | * running from RAM and have a "normal" C environment, i. e. global | |
624 | * data can be written, BSS has been cleared, the stack size in not | |
625 | * that critical any more, etc. | |
fe8c2806 | 626 | */ |
9b998b0c | 627 | void board_init_r(gd_t *id, ulong dest_addr) |
fe8c2806 | 628 | { |
fe8c2806 | 629 | bd_t *bd; |
a483a167 | 630 | ulong malloc_start; |
9b998b0c | 631 | |
6d0f6bcf | 632 | #ifndef CONFIG_SYS_NO_FLASH |
fe8c2806 WD |
633 | ulong flash_size; |
634 | #endif | |
635 | ||
636 | gd = id; /* initialize RAM version of global data */ | |
637 | bd = gd->bd; | |
638 | ||
639 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ | |
f82b3b63 | 640 | |
d4e8ada0 | 641 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
a483a167 | 642 | malloc_start = dest_addr - TOTAL_MALLOC_LEN; |
13d46ab2 | 643 | |
f9476902 PT |
644 | #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) |
645 | /* | |
646 | * The gd->cpu pointer is set to an address in flash before relocation. | |
647 | * We need to update it to point to the same CPU entry in RAM. | |
648 | */ | |
649 | gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; | |
a55bb834 KG |
650 | #endif |
651 | ||
652 | #ifdef CONFIG_SYS_EXTRA_ENV_RELOC | |
653 | /* | |
654 | * Some systems need to relocate the env_addr pointer early because the | |
655 | * location it points to will get invalidated before env_relocate is | |
656 | * called. One example is on systems that might use a L2 or L3 cache | |
657 | * in SRAM mode and initialize that cache from SRAM mode back to being | |
658 | * a cache in cpu_init_r. | |
659 | */ | |
660 | gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE; | |
f9476902 PT |
661 | #endif |
662 | ||
bb105f24 MB |
663 | #ifdef CONFIG_SERIAL_MULTI |
664 | serial_initialize(); | |
665 | #endif | |
fe8c2806 | 666 | |
9b998b0c | 667 | debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
fe8c2806 | 668 | |
9b998b0c | 669 | WATCHDOG_RESET(); |
fe8c2806 | 670 | |
d025aa4b BB |
671 | /* |
672 | * Setup trap handlers | |
673 | */ | |
9b998b0c | 674 | trap_init(dest_addr); |
d025aa4b | 675 | |
c9315e6b | 676 | #ifdef CONFIG_ADDR_MAP |
ecf5b98c KG |
677 | init_addr_map(); |
678 | #endif | |
679 | ||
c837dcb1 | 680 | #if defined(CONFIG_BOARD_EARLY_INIT_R) |
9b998b0c | 681 | board_early_init_r(); |
c837dcb1 WD |
682 | #endif |
683 | ||
3b57fe0a | 684 | monitor_flash_len = (ulong)&__init_end - dest_addr; |
fe8c2806 | 685 | |
9b998b0c | 686 | WATCHDOG_RESET(); |
fe8c2806 | 687 | |
56f94be3 | 688 | #ifdef CONFIG_LOGBUFFER |
9b998b0c | 689 | logbuff_init_ptrs(); |
56f94be3 | 690 | #endif |
fe8c2806 | 691 | #ifdef CONFIG_POST |
9b998b0c | 692 | post_output_backlog(); |
fe8c2806 WD |
693 | #endif |
694 | ||
695 | WATCHDOG_RESET(); | |
696 | ||
1a2e203b | 697 | #if defined(CONFIG_SYS_DELAYED_ICACHE) |
9b998b0c | 698 | icache_enable(); /* it's time to enable the instruction cache */ |
fe8c2806 WD |
699 | #endif |
700 | ||
9c67352f WD |
701 | #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500) |
702 | unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */ | |
42d1f039 WD |
703 | #endif |
704 | ||
76221a6c | 705 | #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT) |
fe8c2806 | 706 | /* |
76221a6c AS |
707 | * Do early PCI configuration _before_ the flash gets initialised, |
708 | * because PCU ressources are crucial for flash access on some boards. | |
fe8c2806 | 709 | */ |
9b998b0c | 710 | pci_init(); |
3bac3513 | 711 | #endif |
57d6c589 | 712 | #if defined(CONFIG_WINBOND_83C553) |
fe8c2806 WD |
713 | /* |
714 | * Initialise the ISA bridge | |
715 | */ | |
9b998b0c | 716 | initialise_w83c553f(); |
fe8c2806 WD |
717 | #endif |
718 | ||
9b998b0c | 719 | asm("sync ; isync"); |
fe8c2806 | 720 | |
9b998b0c | 721 | mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN); |
c790b04d | 722 | |
6d0f6bcf | 723 | #if !defined(CONFIG_SYS_NO_FLASH) |
9b998b0c | 724 | puts("Flash: "); |
fe8c2806 | 725 | |
c62491d2 JS |
726 | if (board_flash_wp_on()) { |
727 | printf("Uninitialized - Write Protect On\n"); | |
728 | /* Since WP is on, we can't find real size. Set to 0 */ | |
729 | flash_size = 0; | |
9b998b0c WD |
730 | } else if ((flash_size = flash_init()) > 0) { |
731 | #ifdef CONFIG_SYS_FLASH_CHECKSUM | |
aab773a4 SG |
732 | char *s; |
733 | ||
9b998b0c | 734 | print_size(flash_size, ""); |
fe8c2806 WD |
735 | /* |
736 | * Compute and print flash CRC if flashchecksum is set to 'y' | |
737 | * | |
738 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX | |
739 | */ | |
9b998b0c | 740 | s = getenv("flashchecksum"); |
fe8c2806 | 741 | if (s && (*s == 'y')) { |
9b998b0c WD |
742 | printf(" CRC: %08X", |
743 | crc32(0, | |
744 | (const unsigned char *) | |
745 | CONFIG_SYS_FLASH_BASE, flash_size) | |
746 | ); | |
fe8c2806 | 747 | } |
9b998b0c WD |
748 | putc('\n'); |
749 | #else /* !CONFIG_SYS_FLASH_CHECKSUM */ | |
750 | print_size(flash_size, "\n"); | |
751 | #endif /* CONFIG_SYS_FLASH_CHECKSUM */ | |
fe8c2806 | 752 | } else { |
9b998b0c WD |
753 | puts(failed); |
754 | hang(); | |
fe8c2806 WD |
755 | } |
756 | ||
9b998b0c WD |
757 | /* update start of FLASH memory */ |
758 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; | |
759 | /* size of FLASH memory (final value) */ | |
760 | bd->bi_flashsize = flash_size; | |
fa230445 | 761 | |
6d0f6bcf | 762 | #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) |
fa230445 | 763 | /* Make a update of the Memctrl. */ |
9b998b0c | 764 | update_flash_size(flash_size); |
fa230445 HS |
765 | #endif |
766 | ||
767 | ||
9b998b0c | 768 | #if defined(CONFIG_OXC) || defined(CONFIG_RMU) |
7e780369 | 769 | /* flash mapped at end of memory map */ |
14d0a02a | 770 | bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size; |
9b998b0c WD |
771 | #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE |
772 | bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */ | |
773 | #endif | |
6d0f6bcf | 774 | #endif /* !CONFIG_SYS_NO_FLASH */ |
fe8c2806 | 775 | |
9b998b0c | 776 | WATCHDOG_RESET(); |
fe8c2806 WD |
777 | |
778 | /* initialize higher level parts of CPU like time base and timers */ | |
9b998b0c | 779 | cpu_init_r(); |
fe8c2806 | 780 | |
9b998b0c | 781 | WATCHDOG_RESET(); |
fe8c2806 | 782 | |
fe8c2806 | 783 | #ifdef CONFIG_SPI |
9b998b0c WD |
784 | #if !defined(CONFIG_ENV_IS_IN_EEPROM) |
785 | spi_init_f(); | |
786 | #endif | |
787 | spi_init_r(); | |
fe8c2806 WD |
788 | #endif |
789 | ||
7def6b34 | 790 | #if defined(CONFIG_CMD_NAND) |
9b998b0c WD |
791 | WATCHDOG_RESET(); |
792 | puts("NAND: "); | |
887e2ec9 SR |
793 | nand_init(); /* go init the NAND */ |
794 | #endif | |
795 | ||
a8060359 TL |
796 | #ifdef CONFIG_GENERIC_MMC |
797 | /* | |
798 | * MMC initialization is called before relocating env. | |
799 | * Thus It is required that operations like pin multiplexer | |
800 | * be put in board_init. | |
801 | */ | |
9b998b0c WD |
802 | WATCHDOG_RESET(); |
803 | puts("MMC: "); | |
804 | mmc_initialize(bd); | |
a8060359 TL |
805 | #endif |
806 | ||
fe8c2806 | 807 | /* relocate environment function pointers etc. */ |
9b998b0c | 808 | env_relocate(); |
fe8c2806 | 809 | |
f9a33f1c KG |
810 | /* |
811 | * after non-volatile devices & environment is setup and cpu code have | |
812 | * another round to deal with any initialization that might require | |
813 | * full access to the environment or loading of some image (firmware) | |
814 | * from a non-volatile device | |
815 | */ | |
816 | cpu_secondary_init_r(); | |
817 | ||
fe8c2806 WD |
818 | /* |
819 | * Fill in missing fields of bd_info. | |
8bde7f77 WD |
820 | * We do this here, where we have "normal" access to the |
821 | * environment; we used to do this still running from ROM, | |
cdb74977 | 822 | * where had to use getenv_f(), which can be pretty slow when |
8bde7f77 | 823 | * the environment is in EEPROM. |
fe8c2806 | 824 | */ |
7abf0c58 | 825 | |
6d0f6bcf | 826 | #if defined(CONFIG_SYS_EXTBDINFO) |
7abf0c58 WD |
827 | #if defined(CONFIG_405GP) || defined(CONFIG_405EP) |
828 | #if defined(CONFIG_I2CFAST) | |
829 | /* | |
830 | * set bi_iic_fast for linux taking environment variable | |
831 | * "i2cfast" into account | |
832 | */ | |
833 | { | |
9b998b0c WD |
834 | char *s = getenv("i2cfast"); |
835 | ||
7abf0c58 WD |
836 | if (s && ((*s == 'y') || (*s == 'Y'))) { |
837 | bd->bi_iic_fast[0] = 1; | |
838 | bd->bi_iic_fast[1] = 1; | |
7abf0c58 WD |
839 | } |
840 | } | |
9b998b0c WD |
841 | #endif /* CONFIG_I2CFAST */ |
842 | #endif /* CONFIG_405GP, CONFIG_405EP */ | |
843 | #endif /* CONFIG_SYS_EXTBDINFO */ | |
7abf0c58 | 844 | |
9045f33c | 845 | #if defined(CONFIG_SC3) |
ca43ba18 HS |
846 | sc3_read_eeprom(); |
847 | #endif | |
d59feffb | 848 | |
9b998b0c | 849 | #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET) |
d59feffb HW |
850 | mac_read_from_eeprom(); |
851 | #endif | |
852 | ||
fe8c2806 WD |
853 | #ifdef CONFIG_HERMES |
854 | if ((gd->board_type >> 16) == 2) | |
855 | bd->bi_ethspeed = gd->board_type & 0xFFFF; | |
856 | else | |
857 | bd->bi_ethspeed = 0xFFFF; | |
858 | #endif | |
859 | ||
02a301cd | 860 | #ifdef CONFIG_CMD_NET |
eb85aa59 MF |
861 | /* kept around for legacy kernels only ... ignore the next section */ |
862 | eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr); | |
e2ffd59b | 863 | #ifdef CONFIG_HAS_ETH1 |
eb85aa59 | 864 | eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr); |
fe8c2806 | 865 | #endif |
e2ffd59b | 866 | #ifdef CONFIG_HAS_ETH2 |
eb85aa59 | 867 | eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr); |
fe8c2806 | 868 | #endif |
e2ffd59b | 869 | #ifdef CONFIG_HAS_ETH3 |
eb85aa59 | 870 | eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr); |
ba56f625 | 871 | #endif |
c68a05fe | 872 | #ifdef CONFIG_HAS_ETH4 |
eb85aa59 | 873 | eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr); |
c68a05fe | 874 | #endif |
c68a05fe | 875 | #ifdef CONFIG_HAS_ETH5 |
eb85aa59 | 876 | eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr); |
c68a05fe | 877 | #endif |
02a301cd | 878 | #endif /* CONFIG_CMD_NET */ |
c68a05fe | 879 | |
fe8c2806 | 880 | /* IP Address */ |
9b998b0c | 881 | bd->bi_ip_addr = getenv_IPaddr("ipaddr"); |
fe8c2806 | 882 | |
9b998b0c | 883 | WATCHDOG_RESET(); |
fe8c2806 | 884 | |
76221a6c | 885 | #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT) |
fe8c2806 WD |
886 | /* |
887 | * Do pci configuration | |
888 | */ | |
9b998b0c | 889 | pci_init(); |
fe8c2806 WD |
890 | #endif |
891 | ||
892 | /** leave this here (after malloc(), environment and PCI are working) **/ | |
52cb4d4f | 893 | /* Initialize stdio devices */ |
9b998b0c | 894 | stdio_init(); |
fe8c2806 | 895 | |
27b207fd | 896 | /* Initialize the jump table for applications */ |
9b998b0c | 897 | jumptable_init(); |
fe8c2806 | 898 | |
500856eb RJ |
899 | #if defined(CONFIG_API) |
900 | /* Initialize API */ | |
9b998b0c | 901 | api_init(); |
500856eb RJ |
902 | #endif |
903 | ||
fe8c2806 | 904 | /* Initialize the console (after the relocation and devices init) */ |
9b998b0c | 905 | console_init_r(); |
fe8c2806 | 906 | |
3a8f28d0 | 907 | #if defined(CONFIG_MISC_INIT_R) |
fe8c2806 | 908 | /* miscellaneous platform dependent initialisations */ |
9b998b0c | 909 | misc_init_r(); |
fe8c2806 WD |
910 | #endif |
911 | ||
912 | #ifdef CONFIG_HERMES | |
913 | if (bd->bi_ethspeed != 0xFFFF) | |
9b998b0c | 914 | hermes_start_lxt980((int) bd->bi_ethspeed); |
fe8c2806 WD |
915 | #endif |
916 | ||
7def6b34 | 917 | #if defined(CONFIG_CMD_KGDB) |
9b998b0c WD |
918 | WATCHDOG_RESET(); |
919 | puts("KGDB: "); | |
920 | kgdb_init(); | |
fe8c2806 WD |
921 | #endif |
922 | ||
9b998b0c | 923 | debug("U-Boot relocated to %08lx\n", dest_addr); |
fe8c2806 WD |
924 | |
925 | /* | |
926 | * Enable Interrupts | |
927 | */ | |
9b998b0c | 928 | interrupt_init(); |
fe8c2806 | 929 | |
566a494f | 930 | #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) |
9b998b0c | 931 | status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); |
fe8c2806 WD |
932 | #endif |
933 | ||
9b998b0c | 934 | udelay(20); |
fe8c2806 | 935 | |
fe8c2806 | 936 | /* Initialize from environment */ |
1272592e | 937 | load_addr = getenv_ulong("loadaddr", 16, load_addr); |
7def6b34 | 938 | #if defined(CONFIG_CMD_NET) |
aab773a4 SG |
939 | { |
940 | char *s = getenv("bootfile"); | |
941 | ||
942 | if (s != NULL) | |
943 | copy_filename(BootFile, s, sizeof(BootFile)); | |
fe8c2806 | 944 | } |
b3aff0cb | 945 | #endif |
fe8c2806 | 946 | |
9b998b0c | 947 | WATCHDOG_RESET(); |
fe8c2806 | 948 | |
7def6b34 | 949 | #if defined(CONFIG_CMD_SCSI) |
9b998b0c WD |
950 | WATCHDOG_RESET(); |
951 | puts("SCSI: "); | |
952 | scsi_init(); | |
fe8c2806 WD |
953 | #endif |
954 | ||
7def6b34 | 955 | #if defined(CONFIG_CMD_DOC) |
9b998b0c WD |
956 | WATCHDOG_RESET(); |
957 | puts("DOC: "); | |
958 | doc_init(); | |
fe8c2806 WD |
959 | #endif |
960 | ||
310cecb8 LCM |
961 | #ifdef CONFIG_BITBANGMII |
962 | bb_miiphy_init(); | |
963 | #endif | |
7def6b34 | 964 | #if defined(CONFIG_CMD_NET) |
9b998b0c WD |
965 | WATCHDOG_RESET(); |
966 | puts("Net: "); | |
967 | eth_initialize(bd); | |
fe8c2806 WD |
968 | #endif |
969 | ||
004eca0c | 970 | #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) |
9b998b0c WD |
971 | WATCHDOG_RESET(); |
972 | debug("Reset Ethernet PHY\n"); | |
973 | reset_phy(); | |
63ff004c MB |
974 | #endif |
975 | ||
fe8c2806 | 976 | #ifdef CONFIG_POST |
9b998b0c | 977 | post_run(NULL, POST_RAM | post_bootmode_get(0)); |
fe8c2806 WD |
978 | #endif |
979 | ||
7def6b34 JL |
980 | #if defined(CONFIG_CMD_PCMCIA) \ |
981 | && !defined(CONFIG_CMD_IDE) | |
9b998b0c WD |
982 | WATCHDOG_RESET(); |
983 | puts("PCMCIA:"); | |
984 | pcmcia_init(); | |
fe8c2806 WD |
985 | #endif |
986 | ||
7def6b34 | 987 | #if defined(CONFIG_CMD_IDE) |
9b998b0c WD |
988 | WATCHDOG_RESET(); |
989 | #ifdef CONFIG_IDE_8xx_PCCARD | |
990 | puts("PCMCIA:"); | |
991 | #else | |
992 | puts("IDE: "); | |
fe8c2806 | 993 | #endif |
ca43ba18 HS |
994 | #if defined(CONFIG_START_IDE) |
995 | if (board_start_ide()) | |
9b998b0c | 996 | ide_init(); |
ca43ba18 | 997 | #else |
9b998b0c | 998 | ide_init(); |
ca43ba18 | 999 | #endif |
b3aff0cb | 1000 | #endif |
fe8c2806 WD |
1001 | |
1002 | #ifdef CONFIG_LAST_STAGE_INIT | |
9b998b0c | 1003 | WATCHDOG_RESET(); |
fe8c2806 WD |
1004 | /* |
1005 | * Some parts can be only initialized if all others (like | |
1006 | * Interrupts) are up and running (i.e. the PC-style ISA | |
1007 | * keyboard). | |
1008 | */ | |
9b998b0c | 1009 | last_stage_init(); |
fe8c2806 WD |
1010 | #endif |
1011 | ||
7def6b34 | 1012 | #if defined(CONFIG_CMD_BEDBUG) |
9b998b0c WD |
1013 | WATCHDOG_RESET(); |
1014 | bedbug_init(); | |
fe8c2806 WD |
1015 | #endif |
1016 | ||
228f29ac | 1017 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
fe8c2806 WD |
1018 | /* |
1019 | * Export available size of memory for Linux, | |
1020 | * taking into account the protected RAM at top of memory | |
1021 | */ | |
1022 | { | |
1272592e | 1023 | ulong pram = 0; |
d01b1761 | 1024 | char memsz[32]; |
fe8c2806 | 1025 | |
1272592e SG |
1026 | #ifdef CONFIG_PRAM |
1027 | pram = getenv_ulong("pram", 10, CONFIG_PRAM); | |
228f29ac WD |
1028 | #endif |
1029 | #ifdef CONFIG_LOGBUFFER | |
3d610186 | 1030 | #ifndef CONFIG_ALT_LB_ADDR |
228f29ac | 1031 | /* Also take the logbuffer into account (pram is in kB) */ |
9b998b0c | 1032 | pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; |
3d610186 | 1033 | #endif |
228f29ac | 1034 | #endif |
d01b1761 SG |
1035 | sprintf(memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
1036 | setenv("mem", memsz); | |
fe8c2806 WD |
1037 | } |
1038 | #endif | |
1039 | ||
1c43771b | 1040 | #ifdef CONFIG_PS2KBD |
9b998b0c | 1041 | puts("PS/2: "); |
1c43771b WD |
1042 | kbd_init(); |
1043 | #endif | |
1044 | ||
4532cb69 | 1045 | #ifdef CONFIG_MODEM_SUPPORT |
9b998b0c WD |
1046 | { |
1047 | extern int do_mdm_init; | |
1048 | ||
1049 | do_mdm_init = gd->do_mdm_init; | |
1050 | } | |
4532cb69 WD |
1051 | #endif |
1052 | ||
fe8c2806 WD |
1053 | /* Initialization complete - start the monitor */ |
1054 | ||
1055 | /* main_loop() can return to retry autoboot, if so just run it again. */ | |
1056 | for (;;) { | |
9b998b0c WD |
1057 | WATCHDOG_RESET(); |
1058 | main_loop(); | |
fe8c2806 WD |
1059 | } |
1060 | ||
1061 | /* NOTREACHED - no way out of command loop except booting */ | |
1062 | } | |
1063 | ||
9b998b0c | 1064 | void hang(void) |
fe8c2806 | 1065 | { |
9b998b0c | 1066 | puts("### ERROR ### Please RESET the board ###\n"); |
8ade9506 | 1067 | show_boot_error(BOOTSTAGE_ID_NEED_RESET); |
9b998b0c WD |
1068 | for (;;) |
1069 | ; | |
fe8c2806 WD |
1070 | } |
1071 | ||
4532cb69 | 1072 | |
9b998b0c | 1073 | #if 0 /* We could use plain global data, but the resulting code is bigger */ |
fe8c2806 WD |
1074 | /* |
1075 | * Pointer to initial global data area | |
1076 | * | |
1077 | * Here we initialize it. | |
1078 | */ | |
1079 | #undef XTRN_DECLARE_GLOBAL_DATA_PTR | |
1080 | #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */ | |
9b998b0c WD |
1081 | DECLARE_GLOBAL_DATA_PTR = |
1082 | (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); | |
1083 | #endif /* 0 */ | |
fe8c2806 WD |
1084 | |
1085 | /************************************************************************/ |