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4e5ca3eb | 1 | /* |
bf9e3b38 WD |
2 | * (C) Copyright 2003 |
3 | * Josef Baumgartner <josef.baumgartner@telex.de> | |
4 | * | |
5 | * (C) Copyright 2000-2002 | |
4e5ca3eb WD |
6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
7 | * | |
8 | * See file CREDITS for list of people who contributed to this | |
9 | * project. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License as | |
13 | * published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
24 | * MA 02111-1307 USA | |
25 | */ | |
26 | ||
27 | #include <common.h> | |
28 | #include <watchdog.h> | |
29 | #include <command.h> | |
30 | #include <malloc.h> | |
52cb4d4f | 31 | #include <stdio_dev.h> |
bf9e3b38 | 32 | |
8ae158cd | 33 | #include <asm/immap.h> |
bf9e3b38 | 34 | |
7def6b34 | 35 | #if defined(CONFIG_CMD_IDE) |
4e5ca3eb WD |
36 | #include <ide.h> |
37 | #endif | |
7def6b34 | 38 | #if defined(CONFIG_CMD_SCSI) |
4e5ca3eb WD |
39 | #include <scsi.h> |
40 | #endif | |
7def6b34 | 41 | #if defined(CONFIG_CMD_KGDB) |
4e5ca3eb WD |
42 | #include <kgdb.h> |
43 | #endif | |
44 | #ifdef CONFIG_STATUS_LED | |
45 | #include <status_led.h> | |
46 | #endif | |
47 | #include <net.h> | |
b71190f3 | 48 | #include <serial.h> |
7def6b34 | 49 | #if defined(CONFIG_CMD_BEDBUG) |
4e5ca3eb WD |
50 | #include <cmd_bedbug.h> |
51 | #endif | |
6d0f6bcf | 52 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
4e5ca3eb WD |
53 | #include <commproc.h> |
54 | #endif | |
55 | #include <version.h> | |
56 | ||
e2c22d78 SR |
57 | #if defined(CONFIG_HARD_I2C) || \ |
58 | defined(CONFIG_SOFT_I2C) | |
59 | #include <i2c.h> | |
60 | #endif | |
61 | ||
a7323bba TL |
62 | #ifdef CONFIG_CMD_SPI |
63 | #include <spi.h> | |
64 | #endif | |
65 | ||
310cecb8 LCM |
66 | #ifdef CONFIG_BITBANGMII |
67 | #include <miiphy.h> | |
68 | #endif | |
69 | ||
ab6ba842 TL |
70 | #include <nand.h> |
71 | ||
d87080b7 WD |
72 | DECLARE_GLOBAL_DATA_PTR; |
73 | ||
4e5ca3eb WD |
74 | static char *failed = "*** failed ***\n"; |
75 | ||
bf9e3b38 WD |
76 | #include <environment.h> |
77 | ||
bf9e3b38 | 78 | extern ulong __init_end; |
44c6e659 | 79 | extern ulong __bss_end__; |
bf9e3b38 | 80 | |
bf9e3b38 WD |
81 | #if defined(CONFIG_WATCHDOG) |
82 | # define INIT_FUNC_WATCHDOG_INIT watchdog_init, | |
83 | # define WATCHDOG_DISABLE watchdog_disable | |
84 | ||
85 | extern int watchdog_init(void); | |
86 | extern int watchdog_disable(void); | |
87 | #else | |
88 | # define INIT_FUNC_WATCHDOG_INIT /* undef */ | |
89 | # define WATCHDOG_DISABLE /* undef */ | |
90 | #endif /* CONFIG_WATCHDOG */ | |
91 | ||
92 | ulong monitor_flash_len; | |
93 | ||
4e5ca3eb WD |
94 | /************************************************************************ |
95 | * Utilities * | |
96 | ************************************************************************ | |
97 | */ | |
98 | ||
bf9e3b38 WD |
99 | /* |
100 | * All attempts to come up with a "common" initialization sequence | |
101 | * that works for all boards and architectures failed: some of the | |
102 | * requirements are just _too_ different. To get rid of the resulting | |
103 | * mess of board dependend #ifdef'ed code we now make the whole | |
104 | * initialization sequence configurable to the user. | |
105 | * | |
106 | * The requirements for any new initalization function is simple: it | |
107 | * receives a pointer to the "global data" structure as it's only | |
108 | * argument, and returns an integer return code, where 0 means | |
109 | * "continue" and != 0 means "fatal error, hang the system". | |
110 | */ | |
111 | typedef int (init_fnc_t) (void); | |
112 | ||
113 | /************************************************************************ | |
8ae158cd | 114 | * Init Utilities |
bf9e3b38 WD |
115 | ************************************************************************ |
116 | * Some of this code should be moved into the core functions, | |
117 | * but let's get it working (again) first... | |
118 | */ | |
119 | ||
120 | static int init_baudrate (void) | |
4e5ca3eb | 121 | { |
77b8f203 SG |
122 | gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
123 | return 0; | |
bf9e3b38 | 124 | } |
4e5ca3eb | 125 | |
bf9e3b38 | 126 | /***********************************************************************/ |
4e5ca3eb | 127 | |
bf9e3b38 WD |
128 | static int init_func_ram (void) |
129 | { | |
bf9e3b38 WD |
130 | int board_type = 0; /* use dummy arg */ |
131 | puts ("DRAM: "); | |
4e5ca3eb | 132 | |
bf9e3b38 WD |
133 | if ((gd->ram_size = initdram (board_type)) > 0) { |
134 | print_size (gd->ram_size, "\n"); | |
135 | return (0); | |
136 | } | |
137 | puts (failed); | |
138 | return (1); | |
4e5ca3eb WD |
139 | } |
140 | ||
bf9e3b38 WD |
141 | /***********************************************************************/ |
142 | ||
e2c22d78 SR |
143 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
144 | static int init_func_i2c (void) | |
145 | { | |
146 | puts ("I2C: "); | |
6d0f6bcf | 147 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
e2c22d78 SR |
148 | puts ("ready\n"); |
149 | return (0); | |
150 | } | |
151 | #endif | |
152 | ||
a7323bba TL |
153 | #if defined(CONFIG_HARD_SPI) |
154 | static int init_func_spi (void) | |
155 | { | |
156 | puts ("SPI: "); | |
157 | spi_init (); | |
158 | puts ("ready\n"); | |
159 | return (0); | |
160 | } | |
161 | #endif | |
162 | ||
e2c22d78 SR |
163 | /***********************************************************************/ |
164 | ||
bf9e3b38 WD |
165 | /************************************************************************ |
166 | * Initialization sequence * | |
167 | ************************************************************************ | |
168 | */ | |
169 | ||
170 | init_fnc_t *init_sequence[] = { | |
d61ea148 | 171 | get_clocks, |
bf9e3b38 WD |
172 | env_init, |
173 | init_baudrate, | |
174 | serial_init, | |
175 | console_init_f, | |
176 | display_options, | |
177 | checkcpu, | |
178 | checkboard, | |
e2c22d78 SR |
179 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
180 | init_func_i2c, | |
a7323bba TL |
181 | #endif |
182 | #if defined(CONFIG_HARD_SPI) | |
183 | init_func_spi, | |
e2c22d78 | 184 | #endif |
bf9e3b38 | 185 | init_func_ram, |
6d0f6bcf | 186 | #if defined(CONFIG_SYS_DRAM_TEST) |
bf9e3b38 | 187 | testdram, |
6d0f6bcf | 188 | #endif /* CONFIG_SYS_DRAM_TEST */ |
bf9e3b38 WD |
189 | INIT_FUNC_WATCHDOG_INIT |
190 | NULL, /* Terminate this list */ | |
191 | }; | |
192 | ||
193 | ||
4e5ca3eb WD |
194 | /************************************************************************ |
195 | * | |
196 | * This is the first part of the initialization sequence that is | |
197 | * implemented in C, but still running from ROM. | |
198 | * | |
199 | * The main purpose is to provide a (serial) console interface as | |
200 | * soon as possible (so we can see any error messages), and to | |
201 | * initialize the RAM so that we can relocate the monitor code to | |
202 | * RAM. | |
203 | * | |
204 | * Be aware of the restrictions: global data is read-only, BSS is not | |
205 | * initialized, and stack space is limited to a few kB. | |
206 | * | |
207 | ************************************************************************ | |
208 | */ | |
209 | ||
bf9e3b38 WD |
210 | void |
211 | board_init_f (ulong bootflag) | |
4e5ca3eb | 212 | { |
4e5ca3eb | 213 | bd_t *bd; |
bf9e3b38 | 214 | ulong len, addr, addr_sp; |
483a0cf8 | 215 | ulong *paddr; |
bf9e3b38 WD |
216 | gd_t *id; |
217 | init_fnc_t **init_fnc_ptr; | |
218 | #ifdef CONFIG_PRAM | |
bf9e3b38 | 219 | ulong reg; |
bf9e3b38 | 220 | #endif |
4e5ca3eb | 221 | |
bf9e3b38 | 222 | /* Pointer is writable since we allocated a register for it */ |
6d0f6bcf | 223 | gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
93f6a677 WD |
224 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
225 | __asm__ __volatile__("": : :"memory"); | |
4e5ca3eb | 226 | |
bf9e3b38 WD |
227 | /* Clear initial global data */ |
228 | memset ((void *) gd, 0, sizeof (gd_t)); | |
4e5ca3eb | 229 | |
bf9e3b38 WD |
230 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
231 | if ((*init_fnc_ptr)() != 0) { | |
232 | hang (); | |
233 | } | |
4e5ca3eb | 234 | } |
4e5ca3eb WD |
235 | |
236 | /* | |
237 | * Now that we have DRAM mapped and working, we can | |
238 | * relocate the code and continue running from DRAM. | |
239 | * | |
240 | * Reserve memory at end of RAM for (top down in that order): | |
bf9e3b38 WD |
241 | * - protected RAM |
242 | * - LCD framebuffer | |
243 | * - monitor code | |
244 | * - board info struct | |
4e5ca3eb | 245 | */ |
44c6e659 | 246 | len = (ulong)&__bss_end__ - CONFIG_SYS_MONITOR_BASE; |
4e5ca3eb | 247 | |
6d0f6bcf | 248 | addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; |
4e5ca3eb | 249 | |
bf9e3b38 WD |
250 | #ifdef CONFIG_LOGBUFFER |
251 | /* reserve kernel log buffer */ | |
252 | addr -= (LOGBUFF_RESERVE); | |
253 | debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); | |
254 | #endif | |
255 | ||
256 | #ifdef CONFIG_PRAM | |
257 | /* | |
258 | * reserve protected RAM | |
259 | */ | |
77b8f203 | 260 | reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
bf9e3b38 WD |
261 | addr -= (reg << 10); /* size is in kB */ |
262 | debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); | |
263 | #endif /* CONFIG_PRAM */ | |
4e5ca3eb | 264 | |
1552af70 TL |
265 | /* round down to next 4 kB limit */ |
266 | addr &= ~(4096 - 1); | |
267 | debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); | |
268 | ||
269 | #ifdef CONFIG_LCD | |
d32a1a4c MK |
270 | #ifdef CONFIG_FB_ADDR |
271 | gd->fb_base = CONFIG_FB_ADDR; | |
272 | #else | |
1552af70 TL |
273 | /* reserve memory for LCD display (always full pages) */ |
274 | addr = lcd_setmem (addr); | |
275 | gd->fb_base = addr; | |
d32a1a4c | 276 | #endif /* CONFIG_FB_ADDR */ |
1552af70 TL |
277 | #endif /* CONFIG_LCD */ |
278 | ||
bf9e3b38 WD |
279 | /* |
280 | * reserve memory for U-Boot code, data & bss | |
281 | * round down to next 4 kB limit | |
282 | */ | |
4e5ca3eb | 283 | addr -= len; |
bf9e3b38 WD |
284 | addr &= ~(4096 - 1); |
285 | ||
286 | debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); | |
4e5ca3eb WD |
287 | |
288 | /* | |
bf9e3b38 | 289 | * reserve memory for malloc() arena |
4e5ca3eb | 290 | */ |
bf9e3b38 WD |
291 | addr_sp = addr - TOTAL_MALLOC_LEN; |
292 | debug ("Reserving %dk for malloc() at: %08lx\n", | |
293 | TOTAL_MALLOC_LEN >> 10, addr_sp); | |
4e5ca3eb | 294 | |
bf9e3b38 WD |
295 | /* |
296 | * (permanently) allocate a Board Info struct | |
297 | * and a permanent copy of the "global" data | |
298 | */ | |
299 | addr_sp -= sizeof (bd_t); | |
300 | bd = (bd_t *) addr_sp; | |
301 | gd->bd = bd; | |
b64f190b | 302 | debug ("Reserving %zu Bytes for Board Info at: %08lx\n", |
bf9e3b38 WD |
303 | sizeof (bd_t), addr_sp); |
304 | addr_sp -= sizeof (gd_t); | |
305 | id = (gd_t *) addr_sp; | |
b64f190b | 306 | debug ("Reserving %zu Bytes for Global Data at: %08lx\n", |
bf9e3b38 WD |
307 | sizeof (gd_t), addr_sp); |
308 | ||
53677ef1 | 309 | /* Reserve memory for boot params. */ |
6d0f6bcf | 310 | addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN; |
bf9e3b38 WD |
311 | bd->bi_boot_params = addr_sp; |
312 | debug ("Reserving %dk for boot parameters at: %08lx\n", | |
6d0f6bcf | 313 | CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp); |
4e5ca3eb | 314 | |
bf9e3b38 WD |
315 | /* |
316 | * Finally, we set up a new (bigger) stack. | |
317 | * | |
318 | * Leave some safety gap for SP, force alignment on 16 byte boundary | |
319 | * Clear initial stack frame | |
320 | */ | |
321 | addr_sp -= 16; | |
322 | addr_sp &= ~0xF; | |
483a0cf8 MB |
323 | |
324 | paddr = (ulong *)addr_sp; | |
325 | *paddr-- = 0; | |
326 | *paddr-- = 0; | |
327 | addr_sp = (ulong)paddr; | |
977b50f8 | 328 | |
bf9e3b38 | 329 | debug ("Stack Pointer at: %08lx\n", addr_sp); |
4e5ca3eb | 330 | |
bf9e3b38 WD |
331 | /* |
332 | * Save local variables to board info struct | |
333 | */ | |
6d0f6bcf | 334 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */ |
bf9e3b38 | 335 | bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ |
6d0f6bcf JCPV |
336 | #ifdef CONFIG_SYS_INIT_RAM_ADDR |
337 | bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR; /* start of SRAM memory */ | |
553f0982 | 338 | bd->bi_sramsize = CONFIG_SYS_INIT_RAM_SIZE; /* size of SRAM memory */ |
8e585f02 | 339 | #endif |
6d0f6bcf | 340 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
bf9e3b38 WD |
341 | |
342 | bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ | |
343 | ||
344 | WATCHDOG_RESET (); | |
345 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ | |
346 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ | |
8ae158cd TL |
347 | #ifdef CONFIG_PCI |
348 | bd->bi_pcifreq = gd->pci_clk; /* PCI Freq in Hz */ | |
349 | #endif | |
350 | #ifdef CONFIG_EXTRA_CLOCK | |
351 | bd->bi_inpfreq = gd->inp_clk; /* input Freq in Hz */ | |
352 | bd->bi_vcofreq = gd->vco_clk; /* vco Freq in Hz */ | |
353 | bd->bi_flbfreq = gd->flb_clk; /* flexbus Freq in Hz */ | |
354 | #endif | |
bf9e3b38 | 355 | bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ |
4e5ca3eb | 356 | |
6d0f6bcf | 357 | #ifdef CONFIG_SYS_EXTBDINFO |
4e5ca3eb | 358 | strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); |
bf9e3b38 WD |
359 | strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); |
360 | #endif | |
361 | ||
362 | WATCHDOG_RESET (); | |
4e5ca3eb | 363 | |
bf9e3b38 WD |
364 | #ifdef CONFIG_POST |
365 | post_bootmode_init(); | |
366 | post_run (NULL, POST_ROM | post_bootmode_get(0)); | |
4e5ca3eb WD |
367 | #endif |
368 | ||
bf9e3b38 | 369 | WATCHDOG_RESET(); |
4e5ca3eb | 370 | |
bf9e3b38 WD |
371 | memcpy (id, (void *)gd, sizeof (gd_t)); |
372 | ||
6d0f6bcf | 373 | debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr); |
bf9e3b38 | 374 | relocate_code (addr_sp, id, addr); |
4e5ca3eb | 375 | |
bf9e3b38 WD |
376 | /* NOTREACHED - jump_to_ram() does not return */ |
377 | } | |
4e5ca3eb WD |
378 | |
379 | /************************************************************************ | |
380 | * | |
381 | * This is the next part if the initialization sequence: we are now | |
382 | * running from RAM and have a "normal" C environment, i. e. global | |
383 | * data can be written, BSS has been cleared, the stack size in not | |
384 | * that critical any more, etc. | |
385 | * | |
386 | ************************************************************************ | |
387 | */ | |
bf9e3b38 | 388 | void board_init_r (gd_t *id, ulong dest_addr) |
4e5ca3eb | 389 | { |
dc26965a | 390 | char *s; |
4e5ca3eb WD |
391 | bd_t *bd; |
392 | ||
93f6d725 | 393 | #ifndef CONFIG_ENV_IS_NOWHERE |
bf9e3b38 WD |
394 | extern char * env_name_spec; |
395 | #endif | |
6d0f6bcf | 396 | #ifndef CONFIG_SYS_NO_FLASH |
bf9e3b38 WD |
397 | ulong flash_size; |
398 | #endif | |
399 | gd = id; /* initialize RAM version of global data */ | |
4e5ca3eb | 400 | bd = gd->bd; |
bf9e3b38 WD |
401 | |
402 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ | |
403 | ||
8e585f02 | 404 | serial_initialize(); |
8e585f02 | 405 | |
bf9e3b38 WD |
406 | debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
407 | ||
408 | WATCHDOG_RESET (); | |
409 | ||
6d0f6bcf | 410 | gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; |
bf9e3b38 WD |
411 | |
412 | monitor_flash_len = (ulong)&__init_end - dest_addr; | |
413 | ||
2e5167cc | 414 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
bf9e3b38 WD |
415 | /* |
416 | * We have to relocate the command table manually | |
417 | */ | |
620f1f6a HS |
418 | fixup_cmdtable(&__u_boot_cmd_start, |
419 | (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); | |
2e5167cc | 420 | #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ |
bf9e3b38 | 421 | |
bf9e3b38 | 422 | /* there are some other pointer constants we must deal with */ |
93f6d725 | 423 | #ifndef CONFIG_ENV_IS_NOWHERE |
bf9e3b38 WD |
424 | env_name_spec += gd->reloc_off; |
425 | #endif | |
426 | ||
427 | WATCHDOG_RESET (); | |
428 | ||
429 | #ifdef CONFIG_LOGBUFFER | |
430 | logbuff_init_ptrs (); | |
431 | #endif | |
432 | #ifdef CONFIG_POST | |
433 | post_output_backlog (); | |
434 | post_reloc (); | |
435 | #endif | |
436 | WATCHDOG_RESET(); | |
437 | ||
438 | #if 0 | |
439 | /* instruction cache enabled in cpu_init_f() for faster relocation */ | |
440 | icache_enable (); /* it's time to enable the instruction cache */ | |
441 | #endif | |
4e5ca3eb WD |
442 | |
443 | /* | |
444 | * Setup trap handlers | |
445 | */ | |
6d0f6bcf | 446 | trap_init (CONFIG_SYS_SDRAM_BASE); |
4e5ca3eb | 447 | |
d4e8ada0 | 448 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
a483a167 PT |
449 | mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off - |
450 | TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN); | |
c790b04d SR |
451 | malloc_bin_reloc (); |
452 | ||
6d0f6bcf | 453 | #if !defined(CONFIG_SYS_NO_FLASH) |
eddf52b5 | 454 | puts ("Flash: "); |
4e5ca3eb WD |
455 | |
456 | if ((flash_size = flash_init ()) > 0) { | |
6d0f6bcf | 457 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
bf9e3b38 | 458 | print_size (flash_size, ""); |
4e5ca3eb WD |
459 | /* |
460 | * Compute and print flash CRC if flashchecksum is set to 'y' | |
461 | * | |
bf9e3b38 | 462 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
4e5ca3eb WD |
463 | */ |
464 | s = getenv ("flashchecksum"); | |
465 | if (s && (*s == 'y')) { | |
11d88b26 | 466 | printf (" CRC: %08X", |
bf9e3b38 | 467 | crc32 (0, |
6d0f6bcf | 468 | (const unsigned char *) CONFIG_SYS_FLASH_BASE, |
bf9e3b38 WD |
469 | flash_size) |
470 | ); | |
4e5ca3eb WD |
471 | } |
472 | putc ('\n'); | |
6d0f6bcf | 473 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
bf9e3b38 | 474 | print_size (flash_size, "\n"); |
6d0f6bcf | 475 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
4e5ca3eb WD |
476 | } else { |
477 | puts (failed); | |
478 | hang (); | |
479 | } | |
480 | ||
6d0f6bcf | 481 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ |
bf9e3b38 WD |
482 | bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ |
483 | bd->bi_flashoffset = 0; | |
6d0f6bcf | 484 | #else /* CONFIG_SYS_NO_FLASH */ |
bf9e3b38 WD |
485 | bd->bi_flashsize = 0; |
486 | bd->bi_flashstart = 0; | |
487 | bd->bi_flashoffset = 0; | |
6d0f6bcf | 488 | #endif /* !CONFIG_SYS_NO_FLASH */ |
4e5ca3eb WD |
489 | |
490 | WATCHDOG_RESET (); | |
491 | ||
492 | /* initialize higher level parts of CPU like time base and timers */ | |
493 | cpu_init_r (); | |
494 | ||
495 | WATCHDOG_RESET (); | |
496 | ||
4e5ca3eb | 497 | #ifdef CONFIG_SPI |
bb1f8b4f | 498 | # if !defined(CONFIG_ENV_IS_IN_EEPROM) |
4e5ca3eb WD |
499 | spi_init_f (); |
500 | # endif | |
501 | spi_init_r (); | |
502 | #endif | |
503 | ||
504 | /* relocate environment function pointers etc. */ | |
505 | env_relocate (); | |
506 | ||
4e5ca3eb WD |
507 | WATCHDOG_RESET (); |
508 | ||
8e585f02 TL |
509 | #if defined(CONFIG_PCI) |
510 | /* | |
511 | * Do pci configuration | |
512 | */ | |
513 | pci_init (); | |
514 | #endif | |
4e5ca3eb | 515 | |
bf9e3b38 | 516 | /** leave this here (after malloc(), environment and PCI are working) **/ |
52cb4d4f JCPV |
517 | /* Initialize stdio devices */ |
518 | stdio_init (); | |
4e5ca3eb | 519 | |
bf9e3b38 WD |
520 | /* Initialize the jump table for applications */ |
521 | jumptable_init (); | |
4e5ca3eb | 522 | |
bf9e3b38 WD |
523 | /* Initialize the console (after the relocation and devices init) */ |
524 | console_init_r (); | |
4e5ca3eb | 525 | |
e2c22d78 SR |
526 | #if defined(CONFIG_MISC_INIT_R) |
527 | /* miscellaneous platform dependent initialisations */ | |
528 | misc_init_r (); | |
529 | #endif | |
530 | ||
7def6b34 | 531 | #if defined(CONFIG_CMD_KGDB) |
4e5ca3eb WD |
532 | WATCHDOG_RESET (); |
533 | puts ("KGDB: "); | |
534 | kgdb_init (); | |
535 | #endif | |
536 | ||
bf9e3b38 WD |
537 | debug ("U-Boot relocated to %08lx\n", dest_addr); |
538 | ||
4e5ca3eb WD |
539 | /* |
540 | * Enable Interrupts | |
541 | */ | |
542 | interrupt_init (); | |
bf9e3b38 WD |
543 | |
544 | /* Must happen after interrupts are initialized since | |
545 | * an irq handler gets installed | |
546 | */ | |
547 | timer_init(); | |
548 | ||
bf9e3b38 WD |
549 | #ifdef CONFIG_STATUS_LED |
550 | status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); | |
551 | #endif | |
552 | ||
4e5ca3eb | 553 | udelay (20); |
bf9e3b38 | 554 | |
4e5ca3eb WD |
555 | /* Insert function pointers now that we have relocated the code */ |
556 | ||
557 | /* Initialize from environment */ | |
77b8f203 | 558 | load_addr = getenv_ulong("loadaddr", 16, load_addr); |
4e5ca3eb WD |
559 | |
560 | WATCHDOG_RESET (); | |
561 | ||
7def6b34 | 562 | #if defined(CONFIG_CMD_DOC) |
bf9e3b38 WD |
563 | WATCHDOG_RESET (); |
564 | puts ("DOC: "); | |
565 | doc_init (); | |
566 | #endif | |
567 | ||
7def6b34 | 568 | #if defined(CONFIG_CMD_NAND) |
4e5ca3eb | 569 | WATCHDOG_RESET (); |
d860c34f | 570 | puts ("NAND: "); |
bf9e3b38 WD |
571 | nand_init(); /* go init the NAND */ |
572 | #endif | |
573 | ||
310cecb8 LCM |
574 | #ifdef CONFIG_BITBANGMII |
575 | bb_miiphy_init(); | |
576 | #endif | |
d61ea148 | 577 | #if defined(CONFIG_CMD_NET) |
bf9e3b38 | 578 | WATCHDOG_RESET(); |
8e585f02 | 579 | #if defined(FEC_ENET) |
bf9e3b38 WD |
580 | eth_init(bd); |
581 | #endif | |
8e585f02 | 582 | puts ("Net: "); |
ab77bc54 | 583 | eth_initialize (bd); |
8e585f02 | 584 | #endif |
bf9e3b38 WD |
585 | |
586 | #ifdef CONFIG_POST | |
587 | post_run (NULL, POST_RAM | post_bootmode_get(0)); | |
4e5ca3eb WD |
588 | #endif |
589 | ||
d61ea148 SR |
590 | #if defined(CONFIG_CMD_PCMCIA) \ |
591 | && !defined(CONFIG_CMD_IDE) | |
8e585f02 TL |
592 | WATCHDOG_RESET (); |
593 | puts ("PCMCIA:"); | |
594 | pcmcia_init (); | |
595 | #endif | |
596 | ||
d61ea148 | 597 | #if defined(CONFIG_CMD_IDE) |
8e585f02 TL |
598 | WATCHDOG_RESET (); |
599 | puts ("IDE: "); | |
600 | ide_init (); | |
d61ea148 | 601 | #endif |
8e585f02 | 602 | |
4e5ca3eb WD |
603 | #ifdef CONFIG_LAST_STAGE_INIT |
604 | WATCHDOG_RESET (); | |
605 | /* | |
606 | * Some parts can be only initialized if all others (like | |
607 | * Interrupts) are up and running (i.e. the PC-style ISA | |
608 | * keyboard). | |
609 | */ | |
610 | last_stage_init (); | |
611 | #endif | |
612 | ||
7def6b34 | 613 | #if defined(CONFIG_CMD_BEDBUG) |
4e5ca3eb WD |
614 | WATCHDOG_RESET (); |
615 | bedbug_init (); | |
616 | #endif | |
617 | ||
bf9e3b38 | 618 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
4e5ca3eb WD |
619 | /* |
620 | * Export available size of memory for Linux, | |
621 | * taking into account the protected RAM at top of memory | |
622 | */ | |
623 | { | |
77b8f203 | 624 | ulong pram = 0; |
a5466651 | 625 | char memsz[32]; |
4e5ca3eb | 626 | |
77b8f203 SG |
627 | #ifdef CONFIG_PRAM |
628 | pram = getenv_ulong("pram", 10, CONFIG_PRAM); | |
bf9e3b38 WD |
629 | #endif |
630 | #ifdef CONFIG_LOGBUFFER | |
631 | /* Also take the logbuffer into account (pram is in kB) */ | |
632 | pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; | |
633 | #endif | |
4e5ca3eb WD |
634 | sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
635 | setenv ("mem", memsz); | |
636 | } | |
637 | #endif | |
638 | ||
bf9e3b38 WD |
639 | #ifdef CONFIG_MODEM_SUPPORT |
640 | { | |
641 | extern int do_mdm_init; | |
642 | do_mdm_init = gd->do_mdm_init; | |
643 | } | |
644 | #endif | |
645 | ||
646 | #ifdef CONFIG_WATCHDOG | |
647 | /* disable watchdog if environment is set */ | |
648 | if ((s = getenv ("watchdog")) != NULL) { | |
649 | if (strncmp (s, "off", 3) == 0) { | |
650 | WATCHDOG_DISABLE (); | |
651 | } | |
652 | } | |
653 | #endif /* CONFIG_WATCHDOG*/ | |
654 | ||
655 | ||
4e5ca3eb WD |
656 | /* Initialization complete - start the monitor */ |
657 | ||
658 | /* main_loop() can return to retry autoboot, if so just run it again. */ | |
659 | for (;;) { | |
660 | WATCHDOG_RESET (); | |
661 | main_loop (); | |
662 | } | |
663 | ||
664 | /* NOTREACHED - no way out of command loop except booting */ | |
665 | } | |
666 | ||
bf9e3b38 WD |
667 | |
668 | void hang(void) | |
4e5ca3eb WD |
669 | { |
670 | puts ("### ERROR ### Please RESET the board ###\n"); | |
671 | for (;;); | |
672 | } |