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wdenk4e5ca3e2003-12-08 01:34:36 +00001/*
wdenkbf9e3b32004-02-12 00:47:09 +00002 * (C) Copyright 2003
3 * Josef Baumgartner <josef.baumgartner@telex.de>
4 *
5 * (C) Copyright 2000-2002
wdenk4e5ca3e2003-12-08 01:34:36 +00006 * 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>
31#include <devices.h>
wdenkbf9e3b32004-02-12 00:47:09 +000032
33#ifdef CONFIG_M5272
34#include <asm/immap_5272.h>
35#endif
36
wdenk4e5ca3e2003-12-08 01:34:36 +000037#if (CONFIG_COMMANDS & CFG_CMD_IDE)
38#include <ide.h>
39#endif
40#if (CONFIG_COMMANDS & CFG_CMD_SCSI)
41#include <scsi.h>
42#endif
43#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
44#include <kgdb.h>
45#endif
46#ifdef CONFIG_STATUS_LED
47#include <status_led.h>
48#endif
49#include <net.h>
50#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
51#include <cmd_bedbug.h>
52#endif
53#ifdef CFG_ALLOC_DPRAM
54#include <commproc.h>
55#endif
56#include <version.h>
57
stroesee2c22d72004-12-16 17:55:22 +000058#if defined(CONFIG_HARD_I2C) || \
59 defined(CONFIG_SOFT_I2C)
60#include <i2c.h>
61#endif
62
Wolfgang Denkd87080b2006-03-31 18:32:53 +020063DECLARE_GLOBAL_DATA_PTR;
64
wdenk4e5ca3e2003-12-08 01:34:36 +000065static char *failed = "*** failed ***\n";
66
67#ifdef CONFIG_PCU_E
68extern flash_info_t flash_info[];
69#endif
70
wdenkbf9e3b32004-02-12 00:47:09 +000071#include <environment.h>
72
wdenk4e5ca3e2003-12-08 01:34:36 +000073#if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
74 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
75 defined(CFG_ENV_IS_IN_NVRAM)
76#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
77#else
78#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
79#endif
80
wdenkbf9e3b32004-02-12 00:47:09 +000081extern ulong __init_end;
82extern ulong _end;
83
84extern void timer_init(void);
85
86#if defined(CONFIG_WATCHDOG)
87# define INIT_FUNC_WATCHDOG_INIT watchdog_init,
88# define WATCHDOG_DISABLE watchdog_disable
89
90extern int watchdog_init(void);
91extern int watchdog_disable(void);
92#else
93# define INIT_FUNC_WATCHDOG_INIT /* undef */
94# define WATCHDOG_DISABLE /* undef */
95#endif /* CONFIG_WATCHDOG */
96
97ulong monitor_flash_len;
98
wdenk4e5ca3e2003-12-08 01:34:36 +000099/*
100 * Begin and End of memory area for malloc(), and current "brk"
101 */
wdenkbf9e3b32004-02-12 00:47:09 +0000102static ulong mem_malloc_start = 0;
103static ulong mem_malloc_end = 0;
104static ulong mem_malloc_brk = 0;
wdenk4e5ca3e2003-12-08 01:34:36 +0000105
106/************************************************************************
107 * Utilities *
108 ************************************************************************
109 */
110
111/*
112 * The Malloc area is immediately below the monitor copy in DRAM
113 */
wdenkbf9e3b32004-02-12 00:47:09 +0000114static void mem_malloc_init (void)
wdenk4e5ca3e2003-12-08 01:34:36 +0000115{
wdenkbf9e3b32004-02-12 00:47:09 +0000116 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
117
wdenk4e5ca3e2003-12-08 01:34:36 +0000118 mem_malloc_end = dest_addr;
119 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
120 mem_malloc_brk = mem_malloc_start;
121
wdenkbf9e3b32004-02-12 00:47:09 +0000122 memset ((void *) mem_malloc_start,
123 0,
wdenk4e5ca3e2003-12-08 01:34:36 +0000124 mem_malloc_end - mem_malloc_start);
125}
126
127void *sbrk (ptrdiff_t increment)
128{
129 ulong old = mem_malloc_brk;
130 ulong new = old + increment;
131
wdenkbf9e3b32004-02-12 00:47:09 +0000132 if ((new < mem_malloc_start) ||
133 (new > mem_malloc_end) ) {
wdenk4e5ca3e2003-12-08 01:34:36 +0000134 return (NULL);
135 }
136 mem_malloc_brk = new;
wdenkbf9e3b32004-02-12 00:47:09 +0000137 return ((void *)old);
wdenk4e5ca3e2003-12-08 01:34:36 +0000138}
139
wdenkbf9e3b32004-02-12 00:47:09 +0000140char *strmhz(char *buf, long hz)
wdenk4e5ca3e2003-12-08 01:34:36 +0000141{
wdenkbf9e3b32004-02-12 00:47:09 +0000142 long l, n;
143 long m;
wdenk4e5ca3e2003-12-08 01:34:36 +0000144
wdenkbf9e3b32004-02-12 00:47:09 +0000145 n = hz / 1000000L;
wdenk4e5ca3e2003-12-08 01:34:36 +0000146
wdenkbf9e3b32004-02-12 00:47:09 +0000147 l = sprintf (buf, "%ld", n);
wdenk4e5ca3e2003-12-08 01:34:36 +0000148
wdenkbf9e3b32004-02-12 00:47:09 +0000149 m = (hz % 1000000L) / 1000L;
wdenk4e5ca3e2003-12-08 01:34:36 +0000150
wdenkbf9e3b32004-02-12 00:47:09 +0000151 if (m != 0)
152 sprintf (buf+l, ".%03ld", m);
wdenk4e5ca3e2003-12-08 01:34:36 +0000153
wdenkbf9e3b32004-02-12 00:47:09 +0000154 return (buf);
wdenk4e5ca3e2003-12-08 01:34:36 +0000155}
156
wdenkbf9e3b32004-02-12 00:47:09 +0000157/*
158 * All attempts to come up with a "common" initialization sequence
159 * that works for all boards and architectures failed: some of the
160 * requirements are just _too_ different. To get rid of the resulting
161 * mess of board dependend #ifdef'ed code we now make the whole
162 * initialization sequence configurable to the user.
163 *
164 * The requirements for any new initalization function is simple: it
165 * receives a pointer to the "global data" structure as it's only
166 * argument, and returns an integer return code, where 0 means
167 * "continue" and != 0 means "fatal error, hang the system".
168 */
169typedef int (init_fnc_t) (void);
170
171/************************************************************************
172 * Init Utilities *
173 ************************************************************************
174 * Some of this code should be moved into the core functions,
175 * but let's get it working (again) first...
176 */
177
178static int init_baudrate (void)
wdenk4e5ca3e2003-12-08 01:34:36 +0000179{
wdenkbf9e3b32004-02-12 00:47:09 +0000180 uchar tmp[64]; /* long enough for environment variables */
181 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
wdenk4e5ca3e2003-12-08 01:34:36 +0000182
wdenkbf9e3b32004-02-12 00:47:09 +0000183 gd->baudrate = (i > 0)
184 ? (int) simple_strtoul (tmp, NULL, 10)
185 : CONFIG_BAUDRATE;
186 return (0);
wdenk4e5ca3e2003-12-08 01:34:36 +0000187}
188
wdenkbf9e3b32004-02-12 00:47:09 +0000189/***********************************************************************/
190
191static int init_func_ram (void)
192{
wdenkbf9e3b32004-02-12 00:47:09 +0000193 int board_type = 0; /* use dummy arg */
194 puts ("DRAM: ");
195
196 if ((gd->ram_size = initdram (board_type)) > 0) {
197 print_size (gd->ram_size, "\n");
198 return (0);
199 }
200 puts (failed);
201 return (1);
202}
203
204/***********************************************************************/
205
stroesee2c22d72004-12-16 17:55:22 +0000206#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
207static int init_func_i2c (void)
208{
209 puts ("I2C: ");
210 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
211 puts ("ready\n");
212 return (0);
213}
214#endif
215
216/***********************************************************************/
217
wdenkbf9e3b32004-02-12 00:47:09 +0000218/************************************************************************
219 * Initialization sequence *
220 ************************************************************************
221 */
222
223init_fnc_t *init_sequence[] = {
224 env_init,
225 init_baudrate,
226 serial_init,
227 console_init_f,
228 display_options,
229 checkcpu,
230 checkboard,
stroesee2c22d72004-12-16 17:55:22 +0000231#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
232 init_func_i2c,
233#endif
wdenkbf9e3b32004-02-12 00:47:09 +0000234 init_func_ram,
235#if defined(CFG_DRAM_TEST)
236 testdram,
237#endif /* CFG_DRAM_TEST */
238 INIT_FUNC_WATCHDOG_INIT
239 NULL, /* Terminate this list */
240};
241
242
wdenk4e5ca3e2003-12-08 01:34:36 +0000243/************************************************************************
244 *
245 * This is the first part of the initialization sequence that is
246 * implemented in C, but still running from ROM.
247 *
248 * The main purpose is to provide a (serial) console interface as
249 * soon as possible (so we can see any error messages), and to
250 * initialize the RAM so that we can relocate the monitor code to
251 * RAM.
252 *
253 * Be aware of the restrictions: global data is read-only, BSS is not
254 * initialized, and stack space is limited to a few kB.
255 *
256 ************************************************************************
257 */
258
wdenkbf9e3b32004-02-12 00:47:09 +0000259void
260board_init_f (ulong bootflag)
wdenk4e5ca3e2003-12-08 01:34:36 +0000261{
wdenk4e5ca3e2003-12-08 01:34:36 +0000262 bd_t *bd;
wdenkbf9e3b32004-02-12 00:47:09 +0000263 ulong len, addr, addr_sp;
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200264 ulong *paddr;
wdenkbf9e3b32004-02-12 00:47:09 +0000265 gd_t *id;
266 init_fnc_t **init_fnc_ptr;
267#ifdef CONFIG_PRAM
268 int i;
269 ulong reg;
wdenk4e5ca3e2003-12-08 01:34:36 +0000270 uchar tmp[64]; /* long enough for environment variables */
wdenkbf9e3b32004-02-12 00:47:09 +0000271#endif
wdenk4e5ca3e2003-12-08 01:34:36 +0000272
wdenkbf9e3b32004-02-12 00:47:09 +0000273 /* Pointer is writable since we allocated a register for it */
274 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
wdenk93f6a672004-07-01 20:28:03 +0000275 /* compiler optimization barrier needed for GCC >= 3.4 */
276 __asm__ __volatile__("": : :"memory");
wdenk4e5ca3e2003-12-08 01:34:36 +0000277
wdenkbf9e3b32004-02-12 00:47:09 +0000278 /* Clear initial global data */
279 memset ((void *) gd, 0, sizeof (gd_t));
wdenk4e5ca3e2003-12-08 01:34:36 +0000280
wdenkbf9e3b32004-02-12 00:47:09 +0000281 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
282 if ((*init_fnc_ptr)() != 0) {
283 hang ();
284 }
wdenk4e5ca3e2003-12-08 01:34:36 +0000285 }
wdenk4e5ca3e2003-12-08 01:34:36 +0000286
287 /*
288 * Now that we have DRAM mapped and working, we can
289 * relocate the code and continue running from DRAM.
290 *
291 * Reserve memory at end of RAM for (top down in that order):
wdenkbf9e3b32004-02-12 00:47:09 +0000292 * - protected RAM
293 * - LCD framebuffer
294 * - monitor code
295 * - board info struct
wdenk4e5ca3e2003-12-08 01:34:36 +0000296 */
wdenkbf9e3b32004-02-12 00:47:09 +0000297 len = (ulong)&_end - CFG_MONITOR_BASE;
wdenk4e5ca3e2003-12-08 01:34:36 +0000298
wdenkbf9e3b32004-02-12 00:47:09 +0000299 addr = CFG_SDRAM_BASE + gd->ram_size;
wdenk4e5ca3e2003-12-08 01:34:36 +0000300
wdenkbf9e3b32004-02-12 00:47:09 +0000301#ifdef CONFIG_LOGBUFFER
302 /* reserve kernel log buffer */
303 addr -= (LOGBUFF_RESERVE);
304 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
305#endif
wdenk4e5ca3e2003-12-08 01:34:36 +0000306
wdenkbf9e3b32004-02-12 00:47:09 +0000307#ifdef CONFIG_PRAM
308 /*
309 * reserve protected RAM
310 */
311 i = getenv_r ("pram", tmp, sizeof (tmp));
312 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
313 addr -= (reg << 10); /* size is in kB */
314 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
315#endif /* CONFIG_PRAM */
316
317 /*
318 * reserve memory for U-Boot code, data & bss
319 * round down to next 4 kB limit
320 */
wdenk4e5ca3e2003-12-08 01:34:36 +0000321 addr -= len;
wdenkbf9e3b32004-02-12 00:47:09 +0000322 addr &= ~(4096 - 1);
323
324 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
325
326 /*
327 * reserve memory for malloc() arena
328 */
329 addr_sp = addr - TOTAL_MALLOC_LEN;
330 debug ("Reserving %dk for malloc() at: %08lx\n",
331 TOTAL_MALLOC_LEN >> 10, addr_sp);
332
333 /*
334 * (permanently) allocate a Board Info struct
335 * and a permanent copy of the "global" data
336 */
337 addr_sp -= sizeof (bd_t);
338 bd = (bd_t *) addr_sp;
339 gd->bd = bd;
340 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
341 sizeof (bd_t), addr_sp);
342 addr_sp -= sizeof (gd_t);
343 id = (gd_t *) addr_sp;
344 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
345 sizeof (gd_t), addr_sp);
346
347 /* Reserve memory for boot params. */
348 addr_sp -= CFG_BOOTPARAMS_LEN;
349 bd->bi_boot_params = addr_sp;
350 debug ("Reserving %dk for boot parameters at: %08lx\n",
351 CFG_BOOTPARAMS_LEN >> 10, addr_sp);
352
353 /*
354 * Finally, we set up a new (bigger) stack.
355 *
356 * Leave some safety gap for SP, force alignment on 16 byte boundary
357 * Clear initial stack frame
358 */
359 addr_sp -= 16;
360 addr_sp &= ~0xF;
Marian Balakowicz483a0cf2006-05-09 11:28:36 +0200361
362 paddr = (ulong *)addr_sp;
363 *paddr-- = 0;
364 *paddr-- = 0;
365 addr_sp = (ulong)paddr;
366
wdenkbf9e3b32004-02-12 00:47:09 +0000367 debug ("Stack Pointer at: %08lx\n", addr_sp);
wdenk4e5ca3e2003-12-08 01:34:36 +0000368
369 /*
370 * Save local variables to board info struct
371 */
wdenkbf9e3b32004-02-12 00:47:09 +0000372 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
373 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
374 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
wdenk4e5ca3e2003-12-08 01:34:36 +0000375
wdenkbf9e3b32004-02-12 00:47:09 +0000376 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
wdenk4e5ca3e2003-12-08 01:34:36 +0000377
wdenkbf9e3b32004-02-12 00:47:09 +0000378 WATCHDOG_RESET ();
379 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
380 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
381 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
wdenk4e5ca3e2003-12-08 01:34:36 +0000382
383#ifdef CFG_EXTBDINFO
384 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
wdenkbf9e3b32004-02-12 00:47:09 +0000385 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
wdenk4e5ca3e2003-12-08 01:34:36 +0000386#endif
387
wdenkbf9e3b32004-02-12 00:47:09 +0000388 WATCHDOG_RESET ();
wdenk4e5ca3e2003-12-08 01:34:36 +0000389
wdenkbf9e3b32004-02-12 00:47:09 +0000390#ifdef CONFIG_POST
391 post_bootmode_init();
392 post_run (NULL, POST_ROM | post_bootmode_get(0));
393#endif
394
395 WATCHDOG_RESET();
396
397 memcpy (id, (void *)gd, sizeof (gd_t));
398
399 debug ("Start relocate of code from %08x to %08lx\n", CFG_MONITOR_BASE, addr);
400 relocate_code (addr_sp, id, addr);
401
402 /* NOTREACHED - jump_to_ram() does not return */
wdenk4e5ca3e2003-12-08 01:34:36 +0000403}
404
wdenk4e5ca3e2003-12-08 01:34:36 +0000405/************************************************************************
406 *
407 * This is the next part if the initialization sequence: we are now
408 * running from RAM and have a "normal" C environment, i. e. global
409 * data can be written, BSS has been cleared, the stack size in not
410 * that critical any more, etc.
411 *
412 ************************************************************************
413 */
wdenkbf9e3b32004-02-12 00:47:09 +0000414void board_init_r (gd_t *id, ulong dest_addr)
wdenk4e5ca3e2003-12-08 01:34:36 +0000415{
wdenk4e5ca3e2003-12-08 01:34:36 +0000416 cmd_tbl_t *cmdtp;
wdenkbf9e3b32004-02-12 00:47:09 +0000417 char *s, *e;
wdenk4e5ca3e2003-12-08 01:34:36 +0000418 bd_t *bd;
wdenkbf9e3b32004-02-12 00:47:09 +0000419 int i;
420 extern void malloc_bin_reloc (void);
wdenk4e5ca3e2003-12-08 01:34:36 +0000421
wdenkbf9e3b32004-02-12 00:47:09 +0000422#ifndef CFG_ENV_IS_NOWHERE
423 extern char * env_name_spec;
424#endif
425#ifndef CFG_NO_FLASH
426 ulong flash_size;
427#endif
428 gd = id; /* initialize RAM version of global data */
wdenk4e5ca3e2003-12-08 01:34:36 +0000429 bd = gd->bd;
wdenkbf9e3b32004-02-12 00:47:09 +0000430
431 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
432
433 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
434
435 WATCHDOG_RESET ();
436
437 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
438
439 monitor_flash_len = (ulong)&__init_end - dest_addr;
440
441 /*
442 * We have to relocate the command table manually
443 */
444 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
445 ulong addr;
446 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
447#if 0
448 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
449 cmdtp->name, (ulong) (cmdtp->cmd), addr);
450#endif
451 cmdtp->cmd =
452 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
453
454 addr = (ulong)(cmdtp->name) + gd->reloc_off;
455 cmdtp->name = (char *)addr;
456
457 if (cmdtp->usage) {
458 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
459 cmdtp->usage = (char *)addr;
460 }
461#ifdef CFG_LONGHELP
462 if (cmdtp->help) {
463 addr = (ulong)(cmdtp->help) + gd->reloc_off;
464 cmdtp->help = (char *)addr;
465 }
466#endif
467 }
468 /* there are some other pointer constants we must deal with */
469#ifndef CFG_ENV_IS_NOWHERE
470 env_name_spec += gd->reloc_off;
471#endif
472
473 WATCHDOG_RESET ();
474
475#ifdef CONFIG_LOGBUFFER
476 logbuff_init_ptrs ();
477#endif
478#ifdef CONFIG_POST
479 post_output_backlog ();
480 post_reloc ();
481#endif
482 WATCHDOG_RESET();
483
484#if 0
485 /* instruction cache enabled in cpu_init_f() for faster relocation */
486 icache_enable (); /* it's time to enable the instruction cache */
487#endif
wdenk4e5ca3e2003-12-08 01:34:36 +0000488
489 /*
490 * Setup trap handlers
491 */
wdenkbf9e3b32004-02-12 00:47:09 +0000492 trap_init (0);
wdenk4e5ca3e2003-12-08 01:34:36 +0000493
wdenkbf9e3b32004-02-12 00:47:09 +0000494#if !defined(CFG_NO_FLASH)
wdenk4e5ca3e2003-12-08 01:34:36 +0000495 puts ("FLASH: ");
496
497 if ((flash_size = flash_init ()) > 0) {
wdenkbf9e3b32004-02-12 00:47:09 +0000498# ifdef CFG_FLASH_CHECKSUM
499 print_size (flash_size, "");
wdenk4e5ca3e2003-12-08 01:34:36 +0000500 /*
501 * Compute and print flash CRC if flashchecksum is set to 'y'
502 *
wdenkbf9e3b32004-02-12 00:47:09 +0000503 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
wdenk4e5ca3e2003-12-08 01:34:36 +0000504 */
505 s = getenv ("flashchecksum");
506 if (s && (*s == 'y')) {
507 printf (" CRC: %08lX",
wdenkbf9e3b32004-02-12 00:47:09 +0000508 crc32 (0,
509 (const unsigned char *) CFG_FLASH_BASE,
510 flash_size)
511 );
wdenk4e5ca3e2003-12-08 01:34:36 +0000512 }
513 putc ('\n');
wdenkbf9e3b32004-02-12 00:47:09 +0000514# else /* !CFG_FLASH_CHECKSUM */
515 print_size (flash_size, "\n");
516# endif /* CFG_FLASH_CHECKSUM */
wdenk4e5ca3e2003-12-08 01:34:36 +0000517 } else {
518 puts (failed);
519 hang ();
520 }
521
wdenkbf9e3b32004-02-12 00:47:09 +0000522 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
523 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
524 bd->bi_flashoffset = 0;
525#else /* CFG_NO_FLASH */
526 bd->bi_flashsize = 0;
527 bd->bi_flashstart = 0;
528 bd->bi_flashoffset = 0;
529#endif /* !CFG_NO_FLASH */
wdenk4e5ca3e2003-12-08 01:34:36 +0000530
531 WATCHDOG_RESET ();
532
533 /* initialize higher level parts of CPU like time base and timers */
534 cpu_init_r ();
535
536 WATCHDOG_RESET ();
537
538 /* initialize malloc() area */
wdenkbf9e3b32004-02-12 00:47:09 +0000539 mem_malloc_init ();
540 malloc_bin_reloc ();
wdenk4e5ca3e2003-12-08 01:34:36 +0000541
542#ifdef CONFIG_SPI
543# if !defined(CFG_ENV_IS_IN_EEPROM)
544 spi_init_f ();
545# endif
546 spi_init_r ();
547#endif
548
549 /* relocate environment function pointers etc. */
550 env_relocate ();
551
wdenkbf9e3b32004-02-12 00:47:09 +0000552 /*
553 * Fill in missing fields of bd_info.
554 * We do this here, where we have "normal" access to the
555 * environment; we used to do this still running from ROM,
556 * where had to use getenv_r(), which can be pretty slow when
557 * the environment is in EEPROM.
558 */
559 s = getenv ("ethaddr");
560 for (i = 0; i < 6; ++i) {
561 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
562 if (s)
563 s = (*e) ? e + 1 : e;
564 }
565
wdenk4e5ca3e2003-12-08 01:34:36 +0000566 /* IP Address */
567 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
568
569 WATCHDOG_RESET ();
570
wdenkbf9e3b32004-02-12 00:47:09 +0000571
572 /** leave this here (after malloc(), environment and PCI are working) **/
573 /* Initialize devices */
574 devices_init ();
575
576 /* Initialize the jump table for applications */
577 jumptable_init ();
wdenk4e5ca3e2003-12-08 01:34:36 +0000578
579 /* Initialize the console (after the relocation and devices init) */
wdenkbf9e3b32004-02-12 00:47:09 +0000580 console_init_r ();
wdenk4e5ca3e2003-12-08 01:34:36 +0000581
stroesee2c22d72004-12-16 17:55:22 +0000582#if defined(CONFIG_MISC_INIT_R)
583 /* miscellaneous platform dependent initialisations */
584 misc_init_r ();
585#endif
586
wdenk4e5ca3e2003-12-08 01:34:36 +0000587#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
588 WATCHDOG_RESET ();
589 puts ("KGDB: ");
590 kgdb_init ();
591#endif
592
wdenkbf9e3b32004-02-12 00:47:09 +0000593 debug ("U-Boot relocated to %08lx\n", dest_addr);
594
wdenk4e5ca3e2003-12-08 01:34:36 +0000595 /*
596 * Enable Interrupts
597 */
598 interrupt_init ();
wdenkbf9e3b32004-02-12 00:47:09 +0000599
600 /* Must happen after interrupts are initialized since
601 * an irq handler gets installed
602 */
603 timer_init();
604
wdenk42dfe7a2004-03-14 22:25:36 +0000605#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
wdenkbf9e3b32004-02-12 00:47:09 +0000606 serial_buffered_init();
607#endif
608
609#ifdef CONFIG_STATUS_LED
610 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
611#endif
612
wdenk4e5ca3e2003-12-08 01:34:36 +0000613 udelay (20);
wdenkbf9e3b32004-02-12 00:47:09 +0000614
wdenk4e5ca3e2003-12-08 01:34:36 +0000615 set_timer (0);
616
617 /* Insert function pointers now that we have relocated the code */
618
619 /* Initialize from environment */
620 if ((s = getenv ("loadaddr")) != NULL) {
621 load_addr = simple_strtoul (s, NULL, 16);
622 }
623#if (CONFIG_COMMANDS & CFG_CMD_NET)
624 if ((s = getenv ("bootfile")) != NULL) {
625 copy_filename (BootFile, s, sizeof (BootFile));
626 }
627#endif /* CFG_CMD_NET */
628
629 WATCHDOG_RESET ();
630
wdenkbf9e3b32004-02-12 00:47:09 +0000631#if (CONFIG_COMMANDS & CFG_CMD_DOC)
wdenk4e5ca3e2003-12-08 01:34:36 +0000632 WATCHDOG_RESET ();
wdenkbf9e3b32004-02-12 00:47:09 +0000633 puts ("DOC: ");
634 doc_init ();
635#endif
636
637#if (CONFIG_COMMANDS & CFG_CMD_NAND)
638 WATCHDOG_RESET ();
Markus Klotzbuecherd860c342006-04-25 17:00:33 +0200639 puts ("NAND: ");
wdenkbf9e3b32004-02-12 00:47:09 +0000640 nand_init(); /* go init the NAND */
641#endif
642
643#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(FEC_ENET)
644 WATCHDOG_RESET();
645 eth_init(bd);
646#endif
647
648#ifdef CONFIG_POST
649 post_run (NULL, POST_RAM | post_bootmode_get(0));
wdenk4e5ca3e2003-12-08 01:34:36 +0000650#endif
651
652#ifdef CONFIG_LAST_STAGE_INIT
653 WATCHDOG_RESET ();
654 /*
655 * Some parts can be only initialized if all others (like
656 * Interrupts) are up and running (i.e. the PC-style ISA
657 * keyboard).
658 */
659 last_stage_init ();
660#endif
661
662#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
663 WATCHDOG_RESET ();
664 bedbug_init ();
665#endif
666
wdenkbf9e3b32004-02-12 00:47:09 +0000667#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
wdenk4e5ca3e2003-12-08 01:34:36 +0000668 /*
669 * Export available size of memory for Linux,
670 * taking into account the protected RAM at top of memory
671 */
672 {
673 ulong pram;
wdenk4e5ca3e2003-12-08 01:34:36 +0000674 uchar memsz[32];
wdenkbf9e3b32004-02-12 00:47:09 +0000675#ifdef CONFIG_PRAM
676 char *s;
wdenk4e5ca3e2003-12-08 01:34:36 +0000677
678 if ((s = getenv ("pram")) != NULL) {
679 pram = simple_strtoul (s, NULL, 10);
680 } else {
681 pram = CONFIG_PRAM;
682 }
wdenkbf9e3b32004-02-12 00:47:09 +0000683#else
684 pram=0;
685#endif
686#ifdef CONFIG_LOGBUFFER
687 /* Also take the logbuffer into account (pram is in kB) */
688 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
689#endif
wdenk4e5ca3e2003-12-08 01:34:36 +0000690 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
691 setenv ("mem", memsz);
692 }
693#endif
694
wdenkbf9e3b32004-02-12 00:47:09 +0000695#ifdef CONFIG_MODEM_SUPPORT
696 {
697 extern int do_mdm_init;
698 do_mdm_init = gd->do_mdm_init;
699 }
700#endif
701
702#ifdef CONFIG_WATCHDOG
703 /* disable watchdog if environment is set */
704 if ((s = getenv ("watchdog")) != NULL) {
705 if (strncmp (s, "off", 3) == 0) {
706 WATCHDOG_DISABLE ();
707 }
708 }
709#endif /* CONFIG_WATCHDOG*/
710
711
wdenk4e5ca3e2003-12-08 01:34:36 +0000712 /* Initialization complete - start the monitor */
713
714 /* main_loop() can return to retry autoboot, if so just run it again. */
715 for (;;) {
716 WATCHDOG_RESET ();
717 main_loop ();
718 }
719
720 /* NOTREACHED - no way out of command loop except booting */
721}
722
wdenkbf9e3b32004-02-12 00:47:09 +0000723
724void hang(void)
wdenk4e5ca3e2003-12-08 01:34:36 +0000725{
726 puts ("### ERROR ### Please RESET the board ###\n");
727 for (;;);
728}