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wdenkc6097192002-11-03 00:24:07 +00001/*
Wolfgang Denk57cac1f2006-01-29 19:12:41 +01002 * (C) Copyright 2002-2006
wdenkc6097192002-11-03 00:24:07 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2002
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
Wolfgang Denk57cac1f2006-01-29 19:12:41 +010028/*
29 * To match the U-Boot user interface on ARM platforms to the U-Boot
30 * standard (as on PPC platforms), some messages with debug character
31 * are removed from the default U-Boot build.
32 *
33 * Define DEBUG here if you want additional info as shown below
34 * printed upon startup:
35 *
36 * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
37 * IRQ Stack: 00ebff7c
38 * FIQ Stack: 00ebef7c
39 */
40
wdenkc6097192002-11-03 00:24:07 +000041#include <common.h>
42#include <command.h>
wdenk3595ac42003-06-22 17:18:28 +000043#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020044#include <stdio_dev.h>
Peter Tyser561858e2008-11-03 09:30:59 -060045#include <timestamp.h>
wdenkc6097192002-11-03 00:24:07 +000046#include <version.h>
47#include <net.h>
Marcel Ziswilerb71190f2008-05-01 09:05:26 +020048#include <serial.h>
Scott Woodd6ac2ed2008-05-22 10:49:46 -050049#include <nand.h>
50#include <onenand_uboot.h>
Ilya Yanok379e9fc2009-06-08 04:12:50 +040051#include <mmc.h>
wdenkc6097192002-11-03 00:24:07 +000052
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020053#ifdef CONFIG_BITBANGMII
54#include <miiphy.h>
55#endif
56
wdenkf39748a2004-06-09 13:37:52 +000057#ifdef CONFIG_DRIVER_SMC91111
Jean-Christophe PLAGNIOL-VILLARD2439e4b2007-11-21 21:19:24 +010058#include "../drivers/net/smc91111.h"
wdenkf39748a2004-06-09 13:37:52 +000059#endif
60#ifdef CONFIG_DRIVER_LAN91C96
Jean-Christophe PLAGNIOL-VILLARD2439e4b2007-11-21 21:19:24 +010061#include "../drivers/net/lan91c96.h"
wdenkf39748a2004-06-09 13:37:52 +000062#endif
63
Markus Klotzbücherb2b43462006-02-10 11:25:41 +010064DECLARE_GLOBAL_DATA_PTR;
65
wdenk3b57fe02003-05-30 12:48:29 +000066ulong monitor_flash_len;
67
wdenk2abbe072003-06-16 23:50:08 +000068#ifdef CONFIG_HAS_DATAFLASH
69extern int AT91F_DataflashInit(void);
70extern void dataflash_print_info(void);
71#endif
72
wdenk48b42612003-06-19 23:01:32 +000073#ifndef CONFIG_IDENT_STRING
74#define CONFIG_IDENT_STRING ""
75#endif
76
wdenkc6097192002-11-03 00:24:07 +000077const char version_string[] =
Peter Tyser561858e2008-11-03 09:30:59 -060078 U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
wdenkc6097192002-11-03 00:24:07 +000079
wdenk5ca26792004-06-06 22:11:41 +000080#ifdef CONFIG_DRIVER_RTL8019
wdenkef5a9672003-12-07 00:46:27 +000081extern void rtl8019_get_enetaddr (uchar * addr);
82#endif
83
Hebbarf7ad79b2007-12-18 16:00:54 -080084#if defined(CONFIG_HARD_I2C) || \
85 defined(CONFIG_SOFT_I2C)
86#include <i2c.h>
87#endif
88
Stelian Pop39cf4802008-05-09 21:57:18 +020089
wdenkc6097192002-11-03 00:24:07 +000090/************************************************************************
Peter Pearse9f5c3d32007-09-04 16:18:38 +010091 * Coloured LED functionality
92 ************************************************************************
93 * May be supplied by boards if desired
94 */
95void inline __coloured_LED_init (void) {}
Ron Leef865fcb2009-08-05 20:14:01 +020096void coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +010097void inline __red_LED_on (void) {}
Ron Leef865fcb2009-08-05 20:14:01 +020098void red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +010099void inline __red_LED_off(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200100void red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +0100101void inline __green_LED_on(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200102void green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +0100103void inline __green_LED_off(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200104void green_LED_off(void) __attribute__((weak, alias("__green_LED_off")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +0100105void inline __yellow_LED_on(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200106void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +0100107void inline __yellow_LED_off(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200108void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off")));
Tom Rix7cdf8042009-05-15 23:47:12 +0200109void inline __blue_LED_on(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200110void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on")));
Tom Rix7cdf8042009-05-15 23:47:12 +0200111void inline __blue_LED_off(void) {}
Ron Leef865fcb2009-08-05 20:14:01 +0200112void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off")));
Peter Pearse9f5c3d32007-09-04 16:18:38 +0100113
114/************************************************************************
wdenkc6097192002-11-03 00:24:07 +0000115 * Init Utilities *
116 ************************************************************************
117 * Some of this code should be moved into the core functions,
118 * or dropped completely,
119 * but let's get it working (again) first...
120 */
121
Jean-Christophe PLAGNIOL-VILLARD4f572892009-02-22 15:49:28 +0100122#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
123#define CONFIG_BAUDRATE 115200
124#endif
wdenkc6097192002-11-03 00:24:07 +0000125static int init_baudrate (void)
126{
Wolfgang Denkd52fb7e2006-03-11 22:53:33 +0100127 char tmp[64]; /* long enough for environment variables */
Wolfgang Denkcdb74972010-07-24 21:55:43 +0200128 int i = getenv_f("baudrate", tmp, sizeof (tmp));
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200129
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200130 gd->baudrate = (i > 0)
wdenkc6097192002-11-03 00:24:07 +0000131 ? (int) simple_strtoul (tmp, NULL, 10)
132 : CONFIG_BAUDRATE;
133
134 return (0);
135}
136
137static int display_banner (void)
138{
wdenkc6097192002-11-03 00:24:07 +0000139 printf ("\n\n%s\n\n", version_string);
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100140 debug ("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200141 _TEXT_BASE,
Albert Aribaud92d5ecb2010-10-11 13:13:28 +0200142 _bss_start_ofs+_TEXT_BASE, _bss_end_ofs+_TEXT_BASE);
wdenkc6097192002-11-03 00:24:07 +0000143#ifdef CONFIG_MODEM_SUPPORT
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100144 debug ("Modem Support enabled\n");
wdenkc6097192002-11-03 00:24:07 +0000145#endif
146#ifdef CONFIG_USE_IRQ
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100147 debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
148 debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
wdenkc6097192002-11-03 00:24:07 +0000149#endif
wdenkf72da342003-10-10 10:05:42 +0000150
wdenkc6097192002-11-03 00:24:07 +0000151 return (0);
152}
153
154/*
155 * WARNING: this code looks "cleaner" than the PowerPC version, but
156 * has the disadvantage that you either get nothing, or everything.
157 * On PowerPC, you might see "DRAM: " before the system hangs - which
158 * gives a simple yet clear indication which part of the
159 * initialization if failing.
160 */
161static int display_dram_config (void)
162{
wdenkc6097192002-11-03 00:24:07 +0000163 int i;
164
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100165#ifdef DEBUG
wdenka8c7c702003-12-06 19:49:23 +0000166 puts ("RAM Configuration:\n");
wdenkc6097192002-11-03 00:24:07 +0000167
168 for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
169 printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
170 print_size (gd->bd->bi_dram[i].size, "\n");
171 }
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100172#else
173 ulong size = 0;
174
175 for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
176 size += gd->bd->bi_dram[i].size;
177 }
178 puts("DRAM: ");
179 print_size(size, "\n");
180#endif
wdenkc6097192002-11-03 00:24:07 +0000181
182 return (0);
183}
184
Hebbarf7ad79b2007-12-18 16:00:54 -0800185#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
186static int init_func_i2c (void)
187{
188 puts ("I2C: ");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200189 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
Hebbarf7ad79b2007-12-18 16:00:54 -0800190 puts ("ready\n");
191 return (0);
192}
193#endif
194
Jean-Christophe PLAGNIOL-VILLARDf90c8022009-01-31 09:04:58 +0100195#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
196#include <pci.h>
197static int arm_pci_init(void)
198{
199 pci_init();
200 return 0;
201}
202#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
203
wdenkc6097192002-11-03 00:24:07 +0000204/*
wdenka8c7c702003-12-06 19:49:23 +0000205 * Breathe some life into the board...
wdenkc6097192002-11-03 00:24:07 +0000206 *
wdenkb0639ca2003-09-17 22:48:07 +0000207 * Initialize a serial port as console, and carry out some hardware
wdenkc6097192002-11-03 00:24:07 +0000208 * tests.
209 *
210 * The first part of initialization is running from Flash memory;
211 * its main purpose is to initialize the RAM so that we
212 * can relocate the monitor code to RAM.
213 */
214
215/*
216 * All attempts to come up with a "common" initialization sequence
217 * that works for all boards and architectures failed: some of the
218 * requirements are just _too_ different. To get rid of the resulting
wdenkf6e20fc2004-02-08 19:38:38 +0000219 * mess of board dependent #ifdef'ed code we now make the whole
wdenkc6097192002-11-03 00:24:07 +0000220 * initialization sequence configurable to the user.
221 *
222 * The requirements for any new initalization function is simple: it
223 * receives a pointer to the "global data" structure as it's only
224 * argument, and returns an integer return code, where 0 means
225 * "continue" and != 0 means "fatal error, hang the system".
226 */
227typedef int (init_fnc_t) (void);
228
Wolfgang Denk34b76a12009-04-26 20:39:26 +0200229int print_cpuinfo (void);
Wolfgang Denk57cac1f2006-01-29 19:12:41 +0100230
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200231void __dram_init_banksize(void)
232{
233 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
234 gd->bd->bi_dram[0].size = gd->ram_size;
235}
236void dram_init_banksize(void)
237 __attribute__((weak, alias("__dram_init_banksize")));
238
239init_fnc_t *init_sequence[] = {
240#if defined(CONFIG_ARCH_CPU_INIT)
241 arch_cpu_init, /* basic arch cpu dependent setup */
242#endif
243#if defined(CONFIG_BOARD_EARLY_INIT_F)
244 board_early_init_f,
245#endif
246 timer_init, /* initialize timer */
247#ifdef CONFIG_FSL_ESDHC
248 get_clocks,
249#endif
250 env_init, /* initialize environment */
251 init_baudrate, /* initialze baudrate settings */
252 serial_init, /* serial communications setup */
253 console_init_f, /* stage 1 init of console */
254 display_banner, /* say that we are here */
255#if defined(CONFIG_DISPLAY_CPUINFO)
256 print_cpuinfo, /* display cpu info (and speed) */
257#endif
258#if defined(CONFIG_DISPLAY_BOARDINFO)
259 checkboard, /* display board info */
260#endif
261#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
262 init_func_i2c,
263#endif
264 dram_init, /* configure available RAM banks */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200265 NULL,
266};
267
268void board_init_f (ulong bootflag)
269{
270 bd_t *bd;
271 init_fnc_t **init_fnc_ptr;
272 gd_t *id;
273 ulong addr, addr_sp;
274
275 /* Pointer is writable since we allocated a register for it */
Heiko Schocher296cae72010-11-12 07:53:55 +0100276 gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200277 /* compiler optimization barrier needed for GCC >= 3.4 */
278 __asm__ __volatile__("": : :"memory");
279
280 memset ((void*)gd, 0, sizeof (gd_t));
281
Albert Aribaud92d5ecb2010-10-11 13:13:28 +0200282 gd->mon_len = _bss_end_ofs;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200283
284 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
285 if ((*init_fnc_ptr)() != 0) {
286 hang ();
287 }
288 }
289
290 debug ("monitor len: %08lX\n", gd->mon_len);
291 /*
292 * Ram is setup, size stored in gd !!
293 */
294 debug ("ramsize: %08lX\n", gd->ram_size);
295#if defined(CONFIG_SYS_MEM_TOP_HIDE)
296 /*
297 * Subtract specified amount of memory to hide so that it won't
298 * get "touched" at all by U-Boot. By fixing up gd->ram_size
299 * the Linux kernel should now get passed the now "corrected"
300 * memory size and won't touch it either. This should work
301 * for arch/ppc and arch/powerpc. Only Linux board ports in
302 * arch/powerpc with bootwrapper support, that recalculate the
303 * memory size from the SDRAM controller setup will have to
304 * get fixed.
305 */
306 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
307#endif
308
309 addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
310
311#ifdef CONFIG_LOGBUFFER
312#ifndef CONFIG_ALT_LB_ADDR
313 /* reserve kernel log buffer */
314 addr -= (LOGBUFF_RESERVE);
315 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
316#endif
317#endif
318
319#ifdef CONFIG_PRAM
320 /*
321 * reserve protected RAM
322 */
323 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
324 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
325 addr -= (reg << 10); /* size is in kB */
326 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
327#endif /* CONFIG_PRAM */
328
Aneesh Ve47f2db2011-06-16 23:30:48 +0000329#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200330 /* reserve TLB table */
331 addr -= (4096 * 4);
332
333 /* round down to next 64 kB limit */
334 addr &= ~(0x10000 - 1);
335
336 gd->tlb_addr = addr;
337 debug ("TLB table at: %08lx\n", addr);
338#endif
339
340 /* round down to next 4 kB limit */
341 addr &= ~(4096 - 1);
342 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
343
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200344#ifdef CONFIG_LCD
Minkyu Kangd32a1a42011-04-24 22:22:34 +0000345#ifdef CONFIG_FB_ADDR
346 gd->fb_base = CONFIG_FB_ADDR;
347#else
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200348 /* reserve memory for LCD display (always full pages) */
349 addr = lcd_setmem (addr);
350 gd->fb_base = addr;
Minkyu Kangd32a1a42011-04-24 22:22:34 +0000351#endif /* CONFIG_FB_ADDR */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200352#endif /* CONFIG_LCD */
353
354 /*
355 * reserve memory for U-Boot code, data & bss
356 * round down to next 4 kB limit
357 */
358 addr -= gd->mon_len;
359 addr &= ~(4096 - 1);
360
361 debug ("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
362
363#ifndef CONFIG_PRELOADER
364 /*
365 * reserve memory for malloc() arena
366 */
367 addr_sp = addr - TOTAL_MALLOC_LEN;
368 debug ("Reserving %dk for malloc() at: %08lx\n",
369 TOTAL_MALLOC_LEN >> 10, addr_sp);
370 /*
371 * (permanently) allocate a Board Info struct
372 * and a permanent copy of the "global" data
373 */
374 addr_sp -= sizeof (bd_t);
375 bd = (bd_t *) addr_sp;
376 gd->bd = bd;
377 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
378 sizeof (bd_t), addr_sp);
379 addr_sp -= sizeof (gd_t);
380 id = (gd_t *) addr_sp;
381 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
382 sizeof (gd_t), addr_sp);
383
384 /* setup stackpointer for exeptions */
385 gd->irq_sp = addr_sp;
386#ifdef CONFIG_USE_IRQ
387 addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
388 debug ("Reserving %zu Bytes for IRQ stack at: %08lx\n",
389 CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
390#endif
391 /* leave 3 words for abort-stack */
Eric Cooper6445a302011-04-14 12:32:37 +0000392 addr_sp -= 12;
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200393
394 /* 8-byte alignment for ABI compliance */
395 addr_sp &= ~0x07;
396#else
397 addr_sp += 128; /* leave 32 words for abort-stack */
398 gd->irq_sp = addr_sp;
399#endif
400
401 debug ("New Stack Pointer is: %08lx\n", addr_sp);
402
403#ifdef CONFIG_POST
404 post_bootmode_init();
405 post_run (NULL, POST_ROM | post_bootmode_get(0));
406#endif
407
408 gd->bd->bi_baudrate = gd->baudrate;
409 /* Ram ist board specific, so move it to board code ... */
410 dram_init_banksize();
411 display_dram_config(); /* and display it */
412
413 gd->relocaddr = addr;
414 gd->start_addr_sp = addr_sp;
415 gd->reloc_off = addr - _TEXT_BASE;
416 debug ("relocation Offset is: %08lx\n", gd->reloc_off);
417 memcpy (id, (void *)gd, sizeof (gd_t));
418
419 relocate_code (addr_sp, id, addr);
420
421 /* NOTREACHED - relocate_code() does not return */
422}
423
424#if !defined(CONFIG_SYS_NO_FLASH)
425static char *failed = "*** failed ***\n";
426#endif
427
428/************************************************************************
429 *
430 * This is the next part if the initialization sequence: we are now
431 * running from RAM and have a "normal" C environment, i. e. global
432 * data can be written, BSS has been cleared, the stack size in not
433 * that critical any more, etc.
434 *
435 ************************************************************************
436 */
Albert Aribaud92d5ecb2010-10-11 13:13:28 +0200437
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200438void board_init_r (gd_t *id, ulong dest_addr)
439{
440 char *s;
441 bd_t *bd;
442 ulong malloc_start;
443#if !defined(CONFIG_SYS_NO_FLASH)
444 ulong flash_size;
445#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200446
447 gd = id;
448 bd = gd->bd;
449
450 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
451
Po-Yu Chuangf326cbb2011-03-01 23:02:04 +0000452 monitor_flash_len = _end_ofs;
Aneesh Vc2dd0d42011-06-16 23:30:49 +0000453 /*
454 * Enable D$:
455 * I$, if needed, must be already enabled in start.S
456 */
457 dcache_enable();
458
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200459 debug ("monitor flash len: %08lX\n", monitor_flash_len);
460 board_init(); /* Setup chipselects */
461
462#ifdef CONFIG_SERIAL_MULTI
463 serial_initialize();
464#endif
465
466 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
467
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200468#ifdef CONFIG_LOGBUFFER
469 logbuff_init_ptrs ();
470#endif
471#ifdef CONFIG_POST
472 post_output_backlog ();
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200473#endif
474
475 /* The Malloc area is immediately below the monitor copy in DRAM */
476 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
477 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200478
479#if !defined(CONFIG_SYS_NO_FLASH)
Peter Tysereddf52b2010-12-28 18:12:05 -0600480 puts ("Flash: ");
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200481
482 if ((flash_size = flash_init ()) > 0) {
483# ifdef CONFIG_SYS_FLASH_CHECKSUM
484 print_size (flash_size, "");
485 /*
486 * Compute and print flash CRC if flashchecksum is set to 'y'
487 *
488 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
489 */
490 s = getenv ("flashchecksum");
491 if (s && (*s == 'y')) {
492 printf (" CRC: %08X",
493 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
494 );
495 }
496 putc ('\n');
497# else /* !CONFIG_SYS_FLASH_CHECKSUM */
498 print_size (flash_size, "\n");
499# endif /* CONFIG_SYS_FLASH_CHECKSUM */
500 } else {
501 puts (failed);
502 hang ();
503 }
504#endif
505
506#if defined(CONFIG_CMD_NAND)
507 puts ("NAND: ");
508 nand_init(); /* go init the NAND */
509#endif
510
511#if defined(CONFIG_CMD_ONENAND)
512 onenand_init();
513#endif
514
Steve Sakomand470a6f2010-10-11 05:51:39 -0700515#ifdef CONFIG_GENERIC_MMC
516 puts("MMC: ");
517 mmc_initialize(bd);
518#endif
519
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200520#ifdef CONFIG_HAS_DATAFLASH
521 AT91F_DataflashInit();
522 dataflash_print_info();
523#endif
524
525 /* initialize environment */
526 env_relocate ();
527
Michael Schwingen1ed63c52011-05-23 00:00:13 +0200528#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI)
529 arm_pci_init();
530#endif
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200531
532 /* IP Address */
533 gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
534
535 stdio_init (); /* get the devices list going. */
536
537 jumptable_init ();
538
539#if defined(CONFIG_API)
540 /* Initialize API */
541 api_init ();
542#endif
543
544 console_init_r (); /* fully init console as a device */
545
546#if defined(CONFIG_ARCH_MISC_INIT)
547 /* miscellaneous arch dependent initialisations */
548 arch_misc_init ();
549#endif
550#if defined(CONFIG_MISC_INIT_R)
551 /* miscellaneous platform dependent initialisations */
552 misc_init_r ();
553#endif
554
555 /* set up exceptions */
556 interrupt_init ();
557 /* enable exceptions */
558 enable_interrupts ();
559
560 /* Perform network card initialisation if necessary */
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200561#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
562 /* XXX: this needs to be moved to board init */
563 if (getenv ("ethaddr")) {
564 uchar enetaddr[6];
565 eth_getenv_enetaddr("ethaddr", enetaddr);
566 smc_set_mac_addr(enetaddr);
567 }
568#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
569
570 /* Initialize from environment */
571 if ((s = getenv ("loadaddr")) != NULL) {
572 load_addr = simple_strtoul (s, NULL, 16);
573 }
574#if defined(CONFIG_CMD_NET)
575 if ((s = getenv ("bootfile")) != NULL) {
576 copy_filename (BootFile, s, sizeof (BootFile));
577 }
578#endif
579
580#ifdef BOARD_LATE_INIT
581 board_late_init ();
582#endif
583
Heiko Schocherf1d2b312010-09-17 13:10:39 +0200584#ifdef CONFIG_BITBANGMII
585 bb_miiphy_init();
586#endif
587#if defined(CONFIG_CMD_NET)
588#if defined(CONFIG_NET_MULTI)
589 puts ("Net: ");
590#endif
591 eth_initialize(gd->bd);
592#if defined(CONFIG_RESET_PHY_R)
593 debug ("Reset Ethernet PHY\n");
594 reset_phy();
595#endif
596#endif
597
598#ifdef CONFIG_POST
599 post_run (NULL, POST_RAM | post_bootmode_get(0));
600#endif
601
602#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
603 /*
604 * Export available size of memory for Linux,
605 * taking into account the protected RAM at top of memory
606 */
607 {
608 ulong pram;
609 uchar memsz[32];
610#ifdef CONFIG_PRAM
611 char *s;
612
613 if ((s = getenv ("pram")) != NULL) {
614 pram = simple_strtoul (s, NULL, 10);
615 } else {
616 pram = CONFIG_PRAM;
617 }
618#else
619 pram=0;
620#endif
621#ifdef CONFIG_LOGBUFFER
622#ifndef CONFIG_ALT_LB_ADDR
623 /* Also take the logbuffer into account (pram is in kB) */
624 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
625#endif
626#endif
627 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
628 setenv ("mem", (char *)memsz);
629 }
630#endif
631
632 /* main_loop() can return to retry autoboot, if so just run it again. */
633 for (;;) {
634 main_loop ();
635 }
636
637 /* NOTREACHED - no way out of command loop except booting */
638}
Albert Aribaud92d5ecb2010-10-11 13:13:28 +0200639
wdenkc6097192002-11-03 00:24:07 +0000640void hang (void)
641{
642 puts ("### ERROR ### Please RESET the board ###\n");
643 for (;;);
644}