blob: b88cf6b67db57945b81e5f68fca45314e685c1cb [file] [log] [blame]
wdenkfe8c2802002-11-03 00:38:21 +00001/*
Detlev Zundel82826d52010-01-22 14:47:59 +01002 * (C) Copyright 2000-2010
wdenkfe8c2802002-11-03 00:38:21 +00003 * 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>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020028#include <stdio_dev.h>
wdenkfe8c2802002-11-03 00:38:21 +000029#ifdef CONFIG_8xx
30#include <mpc8xx.h>
31#endif
wdenk0db5bca2003-03-31 17:27:09 +000032#ifdef CONFIG_5xx
33#include <mpc5xx.h>
34#endif
wdenkcbd8a352004-02-24 02:00:03 +000035#ifdef CONFIG_MPC5xxx
wdenk945af8d2003-07-16 21:53:01 +000036#include <mpc5xxx.h>
37#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -050038#if defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +000039#include <ide.h>
40#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -050041#if defined(CONFIG_CMD_SCSI)
wdenkfe8c2802002-11-03 00:38:21 +000042#include <scsi.h>
43#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -050044#if defined(CONFIG_CMD_KGDB)
wdenkfe8c2802002-11-03 00:38:21 +000045#include <kgdb.h>
46#endif
47#ifdef CONFIG_STATUS_LED
48#include <status_led.h>
49#endif
50#include <net.h>
Andy Fleming272cc702008-10-30 16:41:01 -050051#ifdef CONFIG_GENERIC_MMC
52#include <mmc.h>
53#endif
wdenk281e00a2004-08-01 22:48:16 +000054#include <serial.h>
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020055#ifdef CONFIG_SYS_ALLOC_DPRAM
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050056#if !defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +000057#include <commproc.h>
58#endif
wdenk7aa78612003-05-03 15:50:43 +000059#endif
wdenkfe8c2802002-11-03 00:38:21 +000060#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
wdenk56f94be2002-11-05 16:35:14 +000068#if defined(CONFIG_LOGBUFFER)
69#include <logbuff.h>
70#endif
Wolfgang Denk9c673522009-07-26 23:28:02 +020071#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
wdenk42d1f032003-10-15 23:53:47 +000072#include <asm/cache.h>
73#endif
wdenk1c437712004-01-16 00:30:56 +000074#ifdef CONFIG_PS2KBD
75#include <keyboard.h>
76#endif
wdenkfe8c2802002-11-03 00:38:21 +000077
Kumar Galaecf5b982008-12-16 14:59:20 -060078#ifdef CONFIG_ADDR_MAP
79#include <asm/mmu.h>
80#endif
81
Kumar Galafc39c2fd2009-03-31 17:58:13 -050082#ifdef CONFIG_MP
83#include <asm/mp.h>
84#endif
85
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020086#ifdef CONFIG_BITBANGMII
87#include <miiphy.h>
88#endif
89
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020090#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
Heiko Schocherfa230442006-12-21 17:17:02 +010091extern int update_flash_size (int flash_size);
92#endif
93
Wolfgang Denk9045f332007-06-08 10:24:58 +020094#if defined(CONFIG_SC3)
Heiko Schocherca43ba12007-01-11 15:44:44 +010095extern void sc3_read_eeprom(void);
96#endif
97
Jon Loeliger7def6b32007-07-09 18:02:11 -050098#if defined(CONFIG_CMD_DOC)
wdenkfe8c2802002-11-03 00:38:21 +000099void doc_init (void);
100#endif
101#if defined(CONFIG_HARD_I2C) || \
102 defined(CONFIG_SOFT_I2C)
103#include <i2c.h>
104#endif
Ben Warren04a9e112008-01-16 22:37:35 -0500105#include <spi.h>
Scott Woodd6ac2ed2008-05-22 10:49:46 -0500106#include <nand.h>
wdenkfe8c2802002-11-03 00:38:21 +0000107
108static char *failed = "*** failed ***\n";
109
Wolfgang Denk544d97e2010-10-05 22:54:53 +0200110#if defined(CONFIG_OXC) || defined(CONFIG_RMU)
wdenkfe8c2802002-11-03 00:38:21 +0000111extern flash_info_t flash_info[];
wdenk17d704e2004-04-10 20:43:50 +0000112#endif
wdenkfe8c2802002-11-03 00:38:21 +0000113
Heiko Schocherca43ba12007-01-11 15:44:44 +0100114#if defined(CONFIG_START_IDE)
115extern int board_start_ide(void);
116#endif
wdenkfe8c2802002-11-03 00:38:21 +0000117#include <environment.h>
Wolfgang Denkd87080b2006-03-31 18:32:53 +0200118
Wolfgang Denkbce84c42005-08-30 14:13:23 +0200119DECLARE_GLOBAL_DATA_PTR;
wdenkfe8c2802002-11-03 00:38:21 +0000120
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200121#if !defined(CONFIG_SYS_MEM_TOP_HIDE)
122#define CONFIG_SYS_MEM_TOP_HIDE 0
Stefan Roese6fb4b642008-03-27 10:24:03 +0100123#endif
124
wdenk3b57fe02003-05-30 12:48:29 +0000125extern ulong __init_end;
126extern ulong _end;
wdenk3b57fe02003-05-30 12:48:29 +0000127ulong monitor_flash_len;
128
Jon Loeliger7def6b32007-07-09 18:02:11 -0500129#if defined(CONFIG_CMD_BEDBUG)
wdenk8bde7f72003-06-27 21:31:46 +0000130#include <bedbug/type.h>
131#endif
132
wdenkfe8c2802002-11-03 00:38:21 +0000133/************************************************************************
134 * Utilities *
135 ************************************************************************
136 */
137
138/*
wdenkfe8c2802002-11-03 00:38:21 +0000139 * All attempts to come up with a "common" initialization sequence
140 * that works for all boards and architectures failed: some of the
141 * requirements are just _too_ different. To get rid of the resulting
142 * mess of board dependend #ifdef'ed code we now make the whole
143 * initialization sequence configurable to the user.
144 *
145 * The requirements for any new initalization function is simple: it
146 * receives a pointer to the "global data" structure as it's only
147 * argument, and returns an integer return code, where 0 means
148 * "continue" and != 0 means "fatal error, hang the system".
149 */
150typedef int (init_fnc_t) (void);
151
152/************************************************************************
153 * Init Utilities *
154 ************************************************************************
155 * Some of this code should be moved into the core functions,
156 * but let's get it working (again) first...
157 */
158
159static int init_baudrate (void)
160{
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200161 char tmp[64]; /* long enough for environment variables */
Wolfgang Denkcdb74972010-07-24 21:55:43 +0200162 int i = getenv_f("baudrate", tmp, sizeof (tmp));
wdenkfe8c2802002-11-03 00:38:21 +0000163
164 gd->baudrate = (i > 0)
165 ? (int) simple_strtoul (tmp, NULL, 10)
166 : CONFIG_BAUDRATE;
wdenkfe8c2802002-11-03 00:38:21 +0000167 return (0);
168}
169
170/***********************************************************************/
171
Kim Phillips79f240f2007-08-16 22:52:39 -0500172void __board_add_ram_info(int use_default)
173{
174 /* please define platform specific board_add_ram_info() */
175}
176void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
177
John Schmollerc62491d2010-09-29 14:05:44 -0500178int __board_flash_wp_on(void)
179{
180 /*
181 * Most flashes can't be detected when write protection is enabled,
182 * so provide a way to let U-Boot gracefully ignore write protected
183 * devices.
184 */
185 return 0;
186}
187int board_flash_wp_on(void) __attribute__((weak, alias("__board_flash_wp_on")));
Stefan Roesed96f41e2005-11-30 13:06:40 +0100188
wdenkfe8c2802002-11-03 00:38:21 +0000189static int init_func_ram (void)
190{
wdenkfe8c2802002-11-03 00:38:21 +0000191#ifdef CONFIG_BOARD_TYPES
192 int board_type = gd->board_type;
193#else
194 int board_type = 0; /* use dummy arg */
195#endif
196 puts ("DRAM: ");
197
198 if ((gd->ram_size = initdram (board_type)) > 0) {
Stefan Roesed96f41e2005-11-30 13:06:40 +0100199 print_size (gd->ram_size, "");
Stefan Roesed96f41e2005-11-30 13:06:40 +0100200 board_add_ram_info(0);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100201 putc('\n');
wdenkfe8c2802002-11-03 00:38:21 +0000202 return (0);
203 }
204 puts (failed);
205 return (1);
206}
207
208/***********************************************************************/
209
210#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
211static int init_func_i2c (void)
212{
213 puts ("I2C: ");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200214 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
wdenkfe8c2802002-11-03 00:38:21 +0000215 puts ("ready\n");
216 return (0);
217}
218#endif
219
Ben Warren04a9e112008-01-16 22:37:35 -0500220#if defined(CONFIG_HARD_SPI)
221static int init_func_spi (void)
222{
223 puts ("SPI: ");
224 spi_init ();
225 puts ("ready\n");
226 return (0);
227}
228#endif
229
wdenkfe8c2802002-11-03 00:38:21 +0000230/***********************************************************************/
231
232#if defined(CONFIG_WATCHDOG)
233static int init_func_watchdog_init (void)
234{
235 puts (" Watchdog enabled\n");
236 WATCHDOG_RESET ();
237 return (0);
238}
239# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
240
241static int init_func_watchdog_reset (void)
242{
243 WATCHDOG_RESET ();
244 return (0);
245}
246# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
247#else
248# define INIT_FUNC_WATCHDOG_INIT /* undef */
249# define INIT_FUNC_WATCHDOG_RESET /* undef */
250#endif /* CONFIG_WATCHDOG */
251
252/************************************************************************
253 * Initialization sequence *
254 ************************************************************************
255 */
256
257init_fnc_t *init_sequence[] = {
Poonam Aggrwal0e870982009-07-31 12:08:14 +0530258#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
259 probecpu,
260#endif
Anton Vorontsov91525c62009-10-12 23:55:39 +0400261#if defined(CONFIG_BOARD_EARLY_INIT_F)
262 board_early_init_f,
263#endif
wdenk66ca92a2004-09-28 17:59:53 +0000264#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkfe8c2802002-11-03 00:38:21 +0000265 get_clocks, /* get CPU and bus clocks (etc.) */
Markus Klotzbuecher090eb732006-07-12 15:26:01 +0200266#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
267 && !defined(CONFIG_TQM885D)
wdenke9132ea2004-04-24 23:23:30 +0000268 adjust_sdram_tbs_8xx,
269#endif
wdenkfe8c2802002-11-03 00:38:21 +0000270 init_timebase,
wdenkc178d3d2004-01-24 20:25:54 +0000271#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200272#ifdef CONFIG_SYS_ALLOC_DPRAM
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500273#if !defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000274 dpram_init,
275#endif
wdenk7aa78612003-05-03 15:50:43 +0000276#endif
wdenkfe8c2802002-11-03 00:38:21 +0000277#if defined(CONFIG_BOARD_POSTCLK_INIT)
278 board_postclk_init,
279#endif
280 env_init,
wdenk66ca92a2004-09-28 17:59:53 +0000281#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkc178d3d2004-01-24 20:25:54 +0000282 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
283 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
284 init_timebase,
285#endif
wdenkfe8c2802002-11-03 00:38:21 +0000286 init_baudrate,
287 serial_init,
288 console_init_f,
289 display_options,
290#if defined(CONFIG_8260)
291 prt_8260_rsr,
292 prt_8260_clks,
293#endif /* CONFIG_8260 */
Peter Tyser0f898602009-05-22 17:23:24 -0500294#if defined(CONFIG_MPC83xx)
Dave Liu9be39a62007-06-25 10:41:56 +0800295 prt_83xx_rsr,
296#endif
wdenkfe8c2802002-11-03 00:38:21 +0000297 checkcpu,
wdenkcbd8a352004-02-24 02:00:03 +0000298#if defined(CONFIG_MPC5xxx)
wdenk945af8d2003-07-16 21:53:01 +0000299 prt_mpc5xxx_clks,
wdenkcbd8a352004-02-24 02:00:03 +0000300#endif /* CONFIG_MPC5xxx */
wdenk983fda82004-10-28 00:09:35 +0000301#if defined(CONFIG_MPC8220)
302 prt_mpc8220_clks,
303#endif
wdenkfe8c2802002-11-03 00:38:21 +0000304 checkboard,
305 INIT_FUNC_WATCHDOG_INIT
wdenkc837dcb2004-01-20 23:12:12 +0000306#if defined(CONFIG_MISC_INIT_F)
wdenkfe8c2802002-11-03 00:38:21 +0000307 misc_init_f,
308#endif
309 INIT_FUNC_WATCHDOG_RESET
310#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
311 init_func_i2c,
312#endif
Ben Warren04a9e112008-01-16 22:37:35 -0500313#if defined(CONFIG_HARD_SPI)
314 init_func_spi,
315#endif
wdenk4532cb62003-04-27 22:52:51 +0000316#ifdef CONFIG_POST
317 post_init_f,
318#endif
wdenkfe8c2802002-11-03 00:38:21 +0000319 INIT_FUNC_WATCHDOG_RESET
320 init_func_ram,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200321#if defined(CONFIG_SYS_DRAM_TEST)
wdenkfe8c2802002-11-03 00:38:21 +0000322 testdram,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200323#endif /* CONFIG_SYS_DRAM_TEST */
wdenkfe8c2802002-11-03 00:38:21 +0000324 INIT_FUNC_WATCHDOG_RESET
325
326 NULL, /* Terminate this list */
327};
328
Kumar Gala81d93e52008-02-18 08:09:37 -0600329ulong get_effective_memsize(void)
330{
331#ifndef CONFIG_VERY_BIG_RAM
332 return gd->ram_size;
333#else
334 /* limit stack to what we can reasonable map */
335 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
336 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
337#endif
338}
339
wdenkfe8c2802002-11-03 00:38:21 +0000340/************************************************************************
341 *
342 * This is the first part of the initialization sequence that is
343 * implemented in C, but still running from ROM.
344 *
345 * The main purpose is to provide a (serial) console interface as
346 * soon as possible (so we can see any error messages), and to
347 * initialize the RAM so that we can relocate the monitor code to
348 * RAM.
349 *
350 * Be aware of the restrictions: global data is read-only, BSS is not
351 * initialized, and stack space is limited to a few kB.
352 *
353 ************************************************************************
354 */
355
Marian Balakowicz95d449a2008-05-13 15:53:29 +0200356#ifdef CONFIG_LOGBUFFER
357unsigned long logbuffer_base(void)
358{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200359 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
Marian Balakowicz95d449a2008-05-13 15:53:29 +0200360}
361#endif
362
wdenkfe8c2802002-11-03 00:38:21 +0000363void board_init_f (ulong bootflag)
364{
wdenkfe8c2802002-11-03 00:38:21 +0000365 bd_t *bd;
366 ulong len, addr, addr_sp;
Wolfgang Denk7bc5ee02005-08-26 01:36:03 +0200367 ulong *s;
wdenkfe8c2802002-11-03 00:38:21 +0000368 gd_t *id;
369 init_fnc_t **init_fnc_ptr;
370#ifdef CONFIG_PRAM
371 int i;
372 ulong reg;
373 uchar tmp[64]; /* long enough for environment variables */
374#endif
375
376 /* Pointer is writable since we allocated a register for it */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200377 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenk93f6a672004-07-01 20:28:03 +0000378 /* compiler optimization barrier needed for GCC >= 3.4 */
379 __asm__ __volatile__("": : :"memory");
wdenkfe8c2802002-11-03 00:38:21 +0000380
Detlev Zundel82826d52010-01-22 14:47:59 +0100381#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
382 !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
383 !defined(CONFIG_MPC86xx)
wdenkfe8c2802002-11-03 00:38:21 +0000384 /* Clear initial global data */
385 memset ((void *) gd, 0, sizeof (gd_t));
386#endif
387
388 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
389 if ((*init_fnc_ptr) () != 0) {
390 hang ();
391 }
392 }
393
394 /*
395 * Now that we have DRAM mapped and working, we can
396 * relocate the code and continue running from DRAM.
397 *
398 * Reserve memory at end of RAM for (top down in that order):
Stefan Roese14f73ca2008-03-26 10:14:11 +0100399 * - area that won't get touched by U-Boot and Linux (optional)
wdenk8bde7f72003-06-27 21:31:46 +0000400 * - kernel log buffer
wdenkfe8c2802002-11-03 00:38:21 +0000401 * - protected RAM
402 * - LCD framebuffer
403 * - monitor code
404 * - board info struct
405 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200406 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
wdenkfe8c2802002-11-03 00:38:21 +0000407
Stefan Roese14f73ca2008-03-26 10:14:11 +0100408 /*
409 * Subtract specified amount of memory to hide so that it won't
410 * get "touched" at all by U-Boot. By fixing up gd->ram_size
411 * the Linux kernel should now get passed the now "corrected"
412 * memory size and won't touch it either. This should work
413 * for arch/ppc and arch/powerpc. Only Linux board ports in
414 * arch/powerpc with bootwrapper support, that recalculate the
415 * memory size from the SDRAM controller setup will have to
416 * get fixed.
417 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200418 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
Stefan Roese14f73ca2008-03-26 10:14:11 +0100419
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200420 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
wdenkfe8c2802002-11-03 00:38:21 +0000421
Kumar Galafc39c2fd2009-03-31 17:58:13 -0500422#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
423 /*
424 * We need to make sure the location we intend to put secondary core
425 * boot code is reserved and not used by any part of u-boot
Wolfgang Denkc0a14ae2009-04-05 00:27:57 +0200426 */
Kumar Galafc39c2fd2009-03-31 17:58:13 -0500427 if (addr > determine_mp_bootpg()) {
428 addr = determine_mp_bootpg();
429 debug ("Reserving MP boot page to %08lx\n", addr);
430 }
431#endif
432
wdenk228f29a2002-12-08 09:53:23 +0000433#ifdef CONFIG_LOGBUFFER
Yuri Tikhonov3d610182008-02-06 18:48:36 +0100434#ifndef CONFIG_ALT_LB_ADDR
wdenk228f29a2002-12-08 09:53:23 +0000435 /* reserve kernel log buffer */
436 addr -= (LOGBUFF_RESERVE);
wdenk9d2b18a2003-06-28 23:11:04 +0000437 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
wdenk228f29a2002-12-08 09:53:23 +0000438#endif
Yuri Tikhonov3d610182008-02-06 18:48:36 +0100439#endif
wdenk228f29a2002-12-08 09:53:23 +0000440
wdenkfe8c2802002-11-03 00:38:21 +0000441#ifdef CONFIG_PRAM
442 /*
443 * reserve protected RAM
444 */
Wolfgang Denkcdb74972010-07-24 21:55:43 +0200445 i = getenv_f("pram", (char *)tmp, sizeof (tmp));
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200446 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
wdenkfe8c2802002-11-03 00:38:21 +0000447 addr -= (reg << 10); /* size is in kB */
wdenk9d2b18a2003-06-28 23:11:04 +0000448 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000449#endif /* CONFIG_PRAM */
450
451 /* round down to next 4 kB limit */
452 addr &= ~(4096 - 1);
wdenk9d2b18a2003-06-28 23:11:04 +0000453 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +0000454
455#ifdef CONFIG_LCD
456 /* reserve memory for LCD display (always full pages) */
457 addr = lcd_setmem (addr);
458 gd->fb_base = addr;
459#endif /* CONFIG_LCD */
460
461#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
462 /* reserve memory for video display (always full pages) */
463 addr = video_setmem (addr);
464 gd->fb_base = addr;
465#endif /* CONFIG_VIDEO */
466
467 /*
468 * reserve memory for U-Boot code, data & bss
wdenk682011f2003-06-03 23:54:09 +0000469 * round down to next 4 kB limit
wdenkfe8c2802002-11-03 00:38:21 +0000470 */
471 addr -= len;
wdenk682011f2003-06-03 23:54:09 +0000472 addr &= ~(4096 - 1);
Wolfgang Denk7d314992005-10-05 00:00:54 +0200473#ifdef CONFIG_E500
474 /* round down to next 64 kB limit so that IVPR stays aligned */
475 addr &= ~(65536 - 1);
476#endif
wdenkfe8c2802002-11-03 00:38:21 +0000477
wdenk9d2b18a2003-06-28 23:11:04 +0000478 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000479
480 /*
481 * reserve memory for malloc() arena
482 */
483 addr_sp = addr - TOTAL_MALLOC_LEN;
wdenk9d2b18a2003-06-28 23:11:04 +0000484 debug ("Reserving %dk for malloc() at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000485 TOTAL_MALLOC_LEN >> 10, addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000486
487 /*
488 * (permanently) allocate a Board Info struct
489 * and a permanent copy of the "global" data
490 */
491 addr_sp -= sizeof (bd_t);
492 bd = (bd_t *) addr_sp;
Peter Tysera1c48642010-09-14 19:13:51 -0500493 memset(bd, 0, sizeof(bd_t));
wdenkfe8c2802002-11-03 00:38:21 +0000494 gd->bd = bd;
Wolfgang Denkb64f1902008-07-14 15:06:35 +0200495 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000496 sizeof (bd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000497 addr_sp -= sizeof (gd_t);
498 id = (gd_t *) addr_sp;
Wolfgang Denkb64f1902008-07-14 15:06:35 +0200499 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000500 sizeof (gd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000501
502 /*
503 * Finally, we set up a new (bigger) stack.
504 *
505 * Leave some safety gap for SP, force alignment on 16 byte boundary
506 * Clear initial stack frame
507 */
508 addr_sp -= 16;
509 addr_sp &= ~0xF;
Wolfgang Denk7bc5ee02005-08-26 01:36:03 +0200510 s = (ulong *)addr_sp;
511 *s-- = 0;
512 *s-- = 0;
513 addr_sp = (ulong)s;
wdenk9d2b18a2003-06-28 23:11:04 +0000514 debug ("Stack Pointer at: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000515
516 /*
517 * Save local variables to board info struct
518 */
519
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200520 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000521 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
522
Wolfgang Denk36116652010-08-11 09:38:31 +0200523#ifdef CONFIG_SYS_SRAM_BASE
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200524 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
525 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000526#endif
527
wdenk42d1f032003-10-15 23:53:47 +0000528#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
Jon Loeligerdebb7352006-04-26 17:58:56 -0500529 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200530 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
wdenkfe8c2802002-11-03 00:38:21 +0000531#endif
wdenkcbd8a352004-02-24 02:00:03 +0000532#if defined(CONFIG_MPC5xxx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200533 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk945af8d2003-07-16 21:53:01 +0000534#endif
Peter Tyser0f898602009-05-22 17:23:24 -0500535#if defined(CONFIG_MPC83xx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200536 bd->bi_immrbar = CONFIG_SYS_IMMR;
Eran Libertyf046ccd2005-07-28 10:08:46 -0500537#endif
wdenk983fda82004-10-28 00:09:35 +0000538#if defined(CONFIG_MPC8220)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200539 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk983fda82004-10-28 00:09:35 +0000540 bd->bi_inpfreq = gd->inp_clk;
541 bd->bi_pcifreq = gd->pci_clk;
542 bd->bi_vcofreq = gd->vco_clk;
543 bd->bi_pevfreq = gd->pev_clk;
544 bd->bi_flbfreq = gd->flb_clk;
545
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100546 /* store bootparam to sram (backward compatible), here? */
547 {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200548 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100549 *sram++ = gd->ram_size;
550 *sram++ = gd->bus_clk;
551 *sram++ = gd->inp_clk;
552 *sram++ = gd->cpu_clk;
553 *sram++ = gd->vco_clk;
554 *sram++ = gd->flb_clk;
555 *sram++ = 0xb8c3ba11; /* boot signature */
556 }
wdenk983fda82004-10-28 00:09:35 +0000557#endif
wdenkfe8c2802002-11-03 00:38:21 +0000558
wdenkfe8c2802002-11-03 00:38:21 +0000559 WATCHDOG_RESET ();
560 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
561 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500562#if defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000563 bd->bi_cpmfreq = gd->cpm_clk;
564 bd->bi_brgfreq = gd->brg_clk;
565 bd->bi_sccfreq = gd->scc_clk;
566 bd->bi_vco = gd->vco_out;
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500567#endif /* CONFIG_CPM2 */
Grzegorz Bernacki281ff9a2008-01-08 17:16:15 +0100568#if defined(CONFIG_MPC512X)
Grzegorz Bernacki5d49e0e2008-01-11 12:03:43 +0100569 bd->bi_ipsfreq = gd->ips_clk;
Grzegorz Bernacki281ff9a2008-01-08 17:16:15 +0100570#endif /* CONFIG_MPC512X */
wdenkcbd8a352004-02-24 02:00:03 +0000571#if defined(CONFIG_MPC5xxx)
wdenk945af8d2003-07-16 21:53:01 +0000572 bd->bi_ipbfreq = gd->ipb_clk;
573 bd->bi_pcifreq = gd->pci_clk;
wdenkcbd8a352004-02-24 02:00:03 +0000574#endif /* CONFIG_MPC5xxx */
wdenkfe8c2802002-11-03 00:38:21 +0000575 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
576
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200577#ifdef CONFIG_SYS_EXTBDINFO
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200578 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
579 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
wdenkfe8c2802002-11-03 00:38:21 +0000580
581 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
582 bd->bi_plb_busfreq = gd->bus_clk;
Stefan Roese343c48b2007-05-11 12:01:06 +0200583#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
584 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
585 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
wdenkfe8c2802002-11-03 00:38:21 +0000586 bd->bi_pci_busfreq = get_PCI_freq ();
wdenk109c0e32004-03-23 21:43:07 +0000587 bd->bi_opbfreq = get_OPB_freq ();
Michal Simek9fea65a2008-06-24 09:54:09 +0200588#elif defined(CONFIG_XILINX_405)
wdenk028ab6b2004-02-23 23:54:43 +0000589 bd->bi_pci_busfreq = get_PCI_freq ();
wdenkfe8c2802002-11-03 00:38:21 +0000590#endif
591#endif
592
wdenk9d2b18a2003-06-28 23:11:04 +0000593 debug ("New Stack Pointer is: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000594
595 WATCHDOG_RESET ();
596
597#ifdef CONFIG_POST
598 post_bootmode_init();
wdenk6dff5522003-07-15 07:45:49 +0000599 post_run (NULL, POST_ROM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +0000600#endif
601
602 WATCHDOG_RESET();
603
Richard Retanubun4b993272010-01-15 10:06:06 -0500604 gd->relocaddr = addr; /* Record relocation address, useful for debug */
605
wdenk27b207f2003-07-24 23:38:38 +0000606 memcpy (id, (void *)gd, sizeof (gd_t));
wdenkfe8c2802002-11-03 00:38:21 +0000607
608 relocate_code (addr_sp, id, addr);
609
610 /* NOTREACHED - relocate_code() does not return */
611}
612
wdenkfe8c2802002-11-03 00:38:21 +0000613/************************************************************************
614 *
615 * This is the next part if the initialization sequence: we are now
616 * running from RAM and have a "normal" C environment, i. e. global
617 * data can be written, BSS has been cleared, the stack size in not
618 * that critical any more, etc.
619 *
620 ************************************************************************
621 */
wdenkfe8c2802002-11-03 00:38:21 +0000622void board_init_r (gd_t *id, ulong dest_addr)
623{
Stefan Roeseff7dc062009-02-23 16:52:36 +0100624 char *s;
wdenkfe8c2802002-11-03 00:38:21 +0000625 bd_t *bd;
Peter Tysera483a162009-08-21 23:05:20 -0500626 ulong malloc_start;
wdenkfe8c2802002-11-03 00:38:21 +0000627
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200628#ifndef CONFIG_SYS_NO_FLASH
wdenkfe8c2802002-11-03 00:38:21 +0000629 ulong flash_size;
630#endif
631
632 gd = id; /* initialize RAM version of global data */
633 bd = gd->bd;
634
635 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Grant Likelyf82b3b62007-07-03 00:34:19 -0600636
Peter Tyserd4e8ada2009-08-21 23:05:21 -0500637 /* The Malloc area is immediately below the monitor copy in DRAM */
Peter Tysera483a162009-08-21 23:05:20 -0500638 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
Kumar Gala13d46ab2009-09-01 21:07:08 -0500639
Peter Tyserf9476902009-12-15 12:10:47 -0600640#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
641 /*
642 * The gd->cpu pointer is set to an address in flash before relocation.
643 * We need to update it to point to the same CPU entry in RAM.
644 */
645 gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
646#endif
647
Kumar Galaa55bb832010-11-29 14:32:11 -0600648#ifdef CONFIG_SYS_EXTRA_ENV_RELOC
649 /*
650 * Some systems need to relocate the env_addr pointer early because the
651 * location it points to will get invalidated before env_relocate is
652 * called. One example is on systems that might use a L2 or L3 cache
653 * in SRAM mode and initialize that cache from SRAM mode back to being
654 * a cache in cpu_init_r.
655 */
656 gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE;
657#endif
658
Marian Balakowiczbb105f22006-06-30 15:27:09 +0200659#ifdef CONFIG_SERIAL_MULTI
660 serial_initialize();
661#endif
wdenkfe8c2802002-11-03 00:38:21 +0000662
wdenk9d2b18a2003-06-28 23:11:04 +0000663 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000664
665 WATCHDOG_RESET ();
666
Becky Bruced025aa42008-10-31 17:14:39 -0500667 /*
668 * Setup trap handlers
669 */
670 trap_init (dest_addr);
671
Becky Brucec9315e62009-02-03 18:10:52 -0600672#ifdef CONFIG_ADDR_MAP
Kumar Galaecf5b982008-12-16 14:59:20 -0600673 init_addr_map();
674#endif
675
wdenkc837dcb2004-01-20 23:12:12 +0000676#if defined(CONFIG_BOARD_EARLY_INIT_R)
677 board_early_init_r ();
678#endif
679
wdenk3b57fe02003-05-30 12:48:29 +0000680 monitor_flash_len = (ulong)&__init_end - dest_addr;
wdenkfe8c2802002-11-03 00:38:21 +0000681
wdenkfe8c2802002-11-03 00:38:21 +0000682 WATCHDOG_RESET ();
683
wdenk56f94be2002-11-05 16:35:14 +0000684#ifdef CONFIG_LOGBUFFER
wdenk228f29a2002-12-08 09:53:23 +0000685 logbuff_init_ptrs ();
wdenk56f94be2002-11-05 16:35:14 +0000686#endif
wdenkfe8c2802002-11-03 00:38:21 +0000687#ifdef CONFIG_POST
wdenk228f29a2002-12-08 09:53:23 +0000688 post_output_backlog ();
wdenkfe8c2802002-11-03 00:38:21 +0000689#endif
690
691 WATCHDOG_RESET();
692
Kim Phillips1a2e2032010-04-20 19:37:54 -0500693#if defined(CONFIG_SYS_DELAYED_ICACHE)
wdenkfe8c2802002-11-03 00:38:21 +0000694 icache_enable (); /* it's time to enable the instruction cache */
695#endif
696
Wolfgang Denk9c673522009-07-26 23:28:02 +0200697#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
698 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
wdenk42d1f032003-10-15 23:53:47 +0000699#endif
700
Andre Schwarz76221a62010-10-05 11:59:31 +0200701#if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
wdenkfe8c2802002-11-03 00:38:21 +0000702 /*
Andre Schwarz76221a62010-10-05 11:59:31 +0200703 * Do early PCI configuration _before_ the flash gets initialised,
704 * because PCU ressources are crucial for flash access on some boards.
wdenkfe8c2802002-11-03 00:38:21 +0000705 */
706 pci_init ();
wdenk3bac3512003-03-12 10:41:04 +0000707#endif
Wolfgang Denk57d6c582010-11-23 23:17:18 +0100708#if defined(CONFIG_WINBOND_83C553)
wdenkfe8c2802002-11-03 00:38:21 +0000709 /*
710 * Initialise the ISA bridge
711 */
712 initialise_w83c553f ();
713#endif
714
715 asm ("sync ; isync");
716
Peter Tysera483a162009-08-21 23:05:20 -0500717 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
Stefan Roesec790b042009-05-11 15:50:12 +0200718
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200719#if !defined(CONFIG_SYS_NO_FLASH)
Peter Tysereddf52b2010-12-28 18:12:05 -0600720 puts ("Flash: ");
wdenkfe8c2802002-11-03 00:38:21 +0000721
John Schmollerc62491d2010-09-29 14:05:44 -0500722 if (board_flash_wp_on()) {
723 printf("Uninitialized - Write Protect On\n");
724 /* Since WP is on, we can't find real size. Set to 0 */
725 flash_size = 0;
726 } else if ((flash_size = flash_init ()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200727# ifdef CONFIG_SYS_FLASH_CHECKSUM
wdenkfe8c2802002-11-03 00:38:21 +0000728 print_size (flash_size, "");
729 /*
730 * Compute and print flash CRC if flashchecksum is set to 'y'
731 *
732 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
733 */
734 s = getenv ("flashchecksum");
735 if (s && (*s == 'y')) {
Wolfgang Denk06c53be2008-07-10 13:16:09 +0200736 printf (" CRC: %08X",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200737 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
wdenk7e780362004-04-08 22:31:29 +0000738 );
wdenkfe8c2802002-11-03 00:38:21 +0000739 }
740 putc ('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200741# else /* !CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000742 print_size (flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200743# endif /* CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000744 } else {
745 puts (failed);
746 hang ();
747 }
748
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200749 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
wdenkfe8c2802002-11-03 00:38:21 +0000750 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Heiko Schocherfa230442006-12-21 17:17:02 +0100751
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200752#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
Heiko Schocherfa230442006-12-21 17:17:02 +0100753 /* Make a update of the Memctrl. */
754 update_flash_size (flash_size);
755#endif
756
757
Wolfgang Denk544d97e2010-10-05 22:54:53 +0200758# if defined(CONFIG_OXC) || defined(CONFIG_RMU)
wdenk7e780362004-04-08 22:31:29 +0000759 /* flash mapped at end of memory map */
Wolfgang Denk14d0a022010-10-07 21:51:12 +0200760 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200761# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
wdenk3b57fe02003-05-30 12:48:29 +0000762 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
wdenk0cb61d72003-08-30 00:05:50 +0000763# endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200764#endif /* !CONFIG_SYS_NO_FLASH */
wdenkfe8c2802002-11-03 00:38:21 +0000765
766 WATCHDOG_RESET ();
767
768 /* initialize higher level parts of CPU like time base and timers */
769 cpu_init_r ();
770
771 WATCHDOG_RESET ();
772
wdenkfe8c2802002-11-03 00:38:21 +0000773#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDbb1f8b42008-09-05 09:19:30 +0200774# if !defined(CONFIG_ENV_IS_IN_EEPROM)
wdenkfe8c2802002-11-03 00:38:21 +0000775 spi_init_f ();
776# endif
777 spi_init_r ();
778#endif
779
Jon Loeliger7def6b32007-07-09 18:02:11 -0500780#if defined(CONFIG_CMD_NAND)
Stefan Roese887e2ec2006-09-07 11:51:23 +0200781 WATCHDOG_RESET ();
782 puts ("NAND: ");
783 nand_init(); /* go init the NAND */
784#endif
785
Terry Lva8060352010-05-17 10:57:01 +0800786#ifdef CONFIG_GENERIC_MMC
787/*
788 * MMC initialization is called before relocating env.
789 * Thus It is required that operations like pin multiplexer
790 * be put in board_init.
791 */
792 WATCHDOG_RESET ();
793 puts ("MMC: ");
794 mmc_initialize (bd);
795#endif
796
wdenkfe8c2802002-11-03 00:38:21 +0000797 /* relocate environment function pointers etc. */
798 env_relocate ();
799
800 /*
801 * Fill in missing fields of bd_info.
wdenk8bde7f72003-06-27 21:31:46 +0000802 * We do this here, where we have "normal" access to the
803 * environment; we used to do this still running from ROM,
Wolfgang Denkcdb74972010-07-24 21:55:43 +0200804 * where had to use getenv_f(), which can be pretty slow when
wdenk8bde7f72003-06-27 21:31:46 +0000805 * the environment is in EEPROM.
wdenkfe8c2802002-11-03 00:38:21 +0000806 */
wdenk7abf0c52004-04-18 21:45:42 +0000807
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200808#if defined(CONFIG_SYS_EXTBDINFO)
wdenk7abf0c52004-04-18 21:45:42 +0000809#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
810#if defined(CONFIG_I2CFAST)
811 /*
812 * set bi_iic_fast for linux taking environment variable
813 * "i2cfast" into account
814 */
815 {
816 char *s = getenv ("i2cfast");
817 if (s && ((*s == 'y') || (*s == 'Y'))) {
818 bd->bi_iic_fast[0] = 1;
819 bd->bi_iic_fast[1] = 1;
wdenk7abf0c52004-04-18 21:45:42 +0000820 }
821 }
wdenk7abf0c52004-04-18 21:45:42 +0000822#endif /* CONFIG_I2CFAST */
823#endif /* CONFIG_405GP, CONFIG_405EP */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200824#endif /* CONFIG_SYS_EXTBDINFO */
wdenk7abf0c52004-04-18 21:45:42 +0000825
Wolfgang Denk9045f332007-06-08 10:24:58 +0200826#if defined(CONFIG_SC3)
Heiko Schocherca43ba12007-01-11 15:44:44 +0100827 sc3_read_eeprom();
828#endif
Haiying Wangd59feff2008-01-16 17:12:12 -0500829
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200830#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
Haiying Wangd59feff2008-01-16 17:12:12 -0500831 mac_read_from_eeprom();
832#endif
833
wdenkfe8c2802002-11-03 00:38:21 +0000834#ifdef CONFIG_HERMES
835 if ((gd->board_type >> 16) == 2)
836 bd->bi_ethspeed = gd->board_type & 0xFFFF;
837 else
838 bd->bi_ethspeed = 0xFFFF;
839#endif
840
Stefan Roese02a301c2009-02-25 12:11:15 +0100841#ifdef CONFIG_CMD_NET
Mike Frysingereb85aa52009-02-11 20:07:19 -0500842 /* kept around for legacy kernels only ... ignore the next section */
843 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
wdenke2ffd592004-12-31 09:32:47 +0000844#ifdef CONFIG_HAS_ETH1
Mike Frysingereb85aa52009-02-11 20:07:19 -0500845 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
wdenkfe8c2802002-11-03 00:38:21 +0000846#endif
wdenke2ffd592004-12-31 09:32:47 +0000847#ifdef CONFIG_HAS_ETH2
Mike Frysingereb85aa52009-02-11 20:07:19 -0500848 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
wdenkfe8c2802002-11-03 00:38:21 +0000849#endif
wdenke2ffd592004-12-31 09:32:47 +0000850#ifdef CONFIG_HAS_ETH3
Mike Frysingereb85aa52009-02-11 20:07:19 -0500851 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
wdenkba56f622004-02-06 23:19:44 +0000852#endif
richardretanubunc68a05f2008-09-29 18:28:23 -0400853#ifdef CONFIG_HAS_ETH4
Mike Frysingereb85aa52009-02-11 20:07:19 -0500854 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
richardretanubunc68a05f2008-09-29 18:28:23 -0400855#endif
richardretanubunc68a05f2008-09-29 18:28:23 -0400856#ifdef CONFIG_HAS_ETH5
Mike Frysingereb85aa52009-02-11 20:07:19 -0500857 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
richardretanubunc68a05f2008-09-29 18:28:23 -0400858#endif
Stefan Roese02a301c2009-02-25 12:11:15 +0100859#endif /* CONFIG_CMD_NET */
richardretanubunc68a05f2008-09-29 18:28:23 -0400860
wdenkfe8c2802002-11-03 00:38:21 +0000861 /* IP Address */
862 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
863
864 WATCHDOG_RESET ();
865
Andre Schwarz76221a62010-10-05 11:59:31 +0200866#if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
wdenkfe8c2802002-11-03 00:38:21 +0000867 /*
868 * Do pci configuration
869 */
870 pci_init ();
871#endif
872
873/** leave this here (after malloc(), environment and PCI are working) **/
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200874 /* Initialize stdio devices */
875 stdio_init ();
wdenkfe8c2802002-11-03 00:38:21 +0000876
wdenk27b207f2003-07-24 23:38:38 +0000877 /* Initialize the jump table for applications */
878 jumptable_init ();
wdenkfe8c2802002-11-03 00:38:21 +0000879
Rafal Jaworowski500856e2008-01-09 19:39:36 +0100880#if defined(CONFIG_API)
881 /* Initialize API */
882 api_init ();
883#endif
884
wdenkfe8c2802002-11-03 00:38:21 +0000885 /* Initialize the console (after the relocation and devices init) */
886 console_init_r ();
wdenkfe8c2802002-11-03 00:38:21 +0000887
Peter Tyser3a8f28d2009-09-16 22:03:07 -0500888#if defined(CONFIG_MISC_INIT_R)
wdenkfe8c2802002-11-03 00:38:21 +0000889 /* miscellaneous platform dependent initialisations */
890 misc_init_r ();
891#endif
892
893#ifdef CONFIG_HERMES
894 if (bd->bi_ethspeed != 0xFFFF)
895 hermes_start_lxt980 ((int) bd->bi_ethspeed);
896#endif
897
Jon Loeliger7def6b32007-07-09 18:02:11 -0500898#if defined(CONFIG_CMD_KGDB)
wdenkfe8c2802002-11-03 00:38:21 +0000899 WATCHDOG_RESET ();
900 puts ("KGDB: ");
901 kgdb_init ();
902#endif
903
wdenk9d2b18a2003-06-28 23:11:04 +0000904 debug ("U-Boot relocated to %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000905
906 /*
907 * Enable Interrupts
908 */
909 interrupt_init ();
910
Heiko Schocher566a4942007-06-22 19:11:54 +0200911#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
wdenkfe8c2802002-11-03 00:38:21 +0000912 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
913#endif
914
915 udelay (20);
916
917 set_timer (0);
918
wdenkfe8c2802002-11-03 00:38:21 +0000919 /* Initialize from environment */
920 if ((s = getenv ("loadaddr")) != NULL) {
921 load_addr = simple_strtoul (s, NULL, 16);
922 }
Jon Loeliger7def6b32007-07-09 18:02:11 -0500923#if defined(CONFIG_CMD_NET)
wdenkfe8c2802002-11-03 00:38:21 +0000924 if ((s = getenv ("bootfile")) != NULL) {
925 copy_filename (BootFile, s, sizeof (BootFile));
926 }
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500927#endif
wdenkfe8c2802002-11-03 00:38:21 +0000928
929 WATCHDOG_RESET ();
930
Heiko Schocher9c2d63e2009-02-25 12:28:32 +0100931#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
932 dtt_init ();
933#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -0500934#if defined(CONFIG_CMD_SCSI)
wdenkfe8c2802002-11-03 00:38:21 +0000935 WATCHDOG_RESET ();
936 puts ("SCSI: ");
937 scsi_init ();
938#endif
939
Jon Loeliger7def6b32007-07-09 18:02:11 -0500940#if defined(CONFIG_CMD_DOC)
wdenkfe8c2802002-11-03 00:38:21 +0000941 WATCHDOG_RESET ();
942 puts ("DOC: ");
943 doc_init ();
944#endif
945
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +0200946#ifdef CONFIG_BITBANGMII
947 bb_miiphy_init();
948#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -0500949#if defined(CONFIG_CMD_NET)
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200950#if defined(CONFIG_NET_MULTI)
wdenkfe8c2802002-11-03 00:38:21 +0000951 WATCHDOG_RESET ();
952 puts ("Net: ");
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200953#endif
wdenkfe8c2802002-11-03 00:38:21 +0000954 eth_initialize (bd);
955#endif
956
Peter Tyser004eca02009-09-16 22:03:08 -0500957#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200958 WATCHDOG_RESET ();
959 debug ("Reset Ethernet PHY\n");
960 reset_phy ();
961#endif
962
wdenkfe8c2802002-11-03 00:38:21 +0000963#ifdef CONFIG_POST
wdenk6dff5522003-07-15 07:45:49 +0000964 post_run (NULL, POST_RAM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +0000965#endif
966
Jon Loeliger7def6b32007-07-09 18:02:11 -0500967#if defined(CONFIG_CMD_PCMCIA) \
968 && !defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +0000969 WATCHDOG_RESET ();
970 puts ("PCMCIA:");
971 pcmcia_init ();
972#endif
973
Jon Loeliger7def6b32007-07-09 18:02:11 -0500974#if defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +0000975 WATCHDOG_RESET ();
976# ifdef CONFIG_IDE_8xx_PCCARD
977 puts ("PCMCIA:");
978# else
979 puts ("IDE: ");
980#endif
Heiko Schocherca43ba12007-01-11 15:44:44 +0100981#if defined(CONFIG_START_IDE)
982 if (board_start_ide())
983 ide_init ();
984#else
wdenkfe8c2802002-11-03 00:38:21 +0000985 ide_init ();
Heiko Schocherca43ba12007-01-11 15:44:44 +0100986#endif
Jon Loeligerb3aff0c2007-07-10 11:19:50 -0500987#endif
wdenkfe8c2802002-11-03 00:38:21 +0000988
989#ifdef CONFIG_LAST_STAGE_INIT
990 WATCHDOG_RESET ();
991 /*
992 * Some parts can be only initialized if all others (like
993 * Interrupts) are up and running (i.e. the PC-style ISA
994 * keyboard).
995 */
996 last_stage_init ();
997#endif
998
Jon Loeliger7def6b32007-07-09 18:02:11 -0500999#if defined(CONFIG_CMD_BEDBUG)
wdenkfe8c2802002-11-03 00:38:21 +00001000 WATCHDOG_RESET ();
1001 bedbug_init ();
1002#endif
1003
wdenk228f29a2002-12-08 09:53:23 +00001004#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
wdenkfe8c2802002-11-03 00:38:21 +00001005 /*
1006 * Export available size of memory for Linux,
1007 * taking into account the protected RAM at top of memory
1008 */
1009 {
1010 ulong pram;
wdenkfe8c2802002-11-03 00:38:21 +00001011 uchar memsz[32];
wdenk228f29a2002-12-08 09:53:23 +00001012#ifdef CONFIG_PRAM
1013 char *s;
wdenkfe8c2802002-11-03 00:38:21 +00001014
1015 if ((s = getenv ("pram")) != NULL) {
1016 pram = simple_strtoul (s, NULL, 10);
1017 } else {
1018 pram = CONFIG_PRAM;
1019 }
wdenk228f29a2002-12-08 09:53:23 +00001020#else
1021 pram=0;
1022#endif
1023#ifdef CONFIG_LOGBUFFER
Yuri Tikhonov3d610182008-02-06 18:48:36 +01001024#ifndef CONFIG_ALT_LB_ADDR
wdenk228f29a2002-12-08 09:53:23 +00001025 /* Also take the logbuffer into account (pram is in kB) */
1026 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1027#endif
Yuri Tikhonov3d610182008-02-06 18:48:36 +01001028#endif
Wolfgang Denk77ddac92005-10-13 16:45:02 +02001029 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1030 setenv ("mem", (char *)memsz);
wdenkfe8c2802002-11-03 00:38:21 +00001031 }
1032#endif
1033
wdenk1c437712004-01-16 00:30:56 +00001034#ifdef CONFIG_PS2KBD
1035 puts ("PS/2: ");
1036 kbd_init();
1037#endif
1038
wdenk4532cb62003-04-27 22:52:51 +00001039#ifdef CONFIG_MODEM_SUPPORT
1040 {
1041 extern int do_mdm_init;
1042 do_mdm_init = gd->do_mdm_init;
1043 }
1044#endif
1045
wdenkfe8c2802002-11-03 00:38:21 +00001046 /* Initialization complete - start the monitor */
1047
1048 /* main_loop() can return to retry autoboot, if so just run it again. */
1049 for (;;) {
1050 WATCHDOG_RESET ();
1051 main_loop ();
1052 }
1053
1054 /* NOTREACHED - no way out of command loop except booting */
1055}
1056
1057void hang (void)
1058{
1059 puts ("### ERROR ### Please RESET the board ###\n");
wdenk63e73c92004-02-23 22:22:28 +00001060 show_boot_progress(-30);
wdenkfe8c2802002-11-03 00:38:21 +00001061 for (;;);
1062}
1063
wdenk4532cb62003-04-27 22:52:51 +00001064
wdenkfe8c2802002-11-03 00:38:21 +00001065#if 0 /* We could use plain global data, but the resulting code is bigger */
1066/*
1067 * Pointer to initial global data area
1068 *
1069 * Here we initialize it.
1070 */
1071#undef XTRN_DECLARE_GLOBAL_DATA_PTR
1072#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001073DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenkfe8c2802002-11-03 00:38:21 +00001074#endif /* 0 */
1075
1076/************************************************************************/