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wdenkfe8c2802002-11-03 00:38:21 +00001/*
Bartlomiej Sieka4707fb52006-10-13 21:09:09 +02002 * (C) Copyright 2000-2006
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>
28#include <devices.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
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +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
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020086#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
Heiko Schocherfa230442006-12-21 17:17:02 +010087extern int update_flash_size (int flash_size);
88#endif
89
Wolfgang Denk9045f332007-06-08 10:24:58 +020090#if defined(CONFIG_SC3)
Heiko Schocherca43ba12007-01-11 15:44:44 +010091extern void sc3_read_eeprom(void);
92#endif
93
Jon Loeliger7def6b32007-07-09 18:02:11 -050094#if defined(CONFIG_CMD_DOC)
wdenkfe8c2802002-11-03 00:38:21 +000095void doc_init (void);
96#endif
97#if defined(CONFIG_HARD_I2C) || \
98 defined(CONFIG_SOFT_I2C)
99#include <i2c.h>
100#endif
Ben Warren04a9e112008-01-16 22:37:35 -0500101#include <spi.h>
Scott Woodd6ac2ed2008-05-22 10:49:46 -0500102#include <nand.h>
wdenkfe8c2802002-11-03 00:38:21 +0000103
104static char *failed = "*** failed ***\n";
105
wdenk17d704e2004-04-10 20:43:50 +0000106#if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
wdenkfe8c2802002-11-03 00:38:21 +0000107extern flash_info_t flash_info[];
wdenk17d704e2004-04-10 20:43:50 +0000108#endif
wdenkfe8c2802002-11-03 00:38:21 +0000109
Heiko Schocherca43ba12007-01-11 15:44:44 +0100110#if defined(CONFIG_START_IDE)
111extern int board_start_ide(void);
112#endif
wdenkfe8c2802002-11-03 00:38:21 +0000113#include <environment.h>
Wolfgang Denkd87080b2006-03-31 18:32:53 +0200114
Wolfgang Denkbce84c42005-08-30 14:13:23 +0200115DECLARE_GLOBAL_DATA_PTR;
wdenkfe8c2802002-11-03 00:38:21 +0000116
Jean-Christophe PLAGNIOL-VILLARD0e8d1582008-09-10 22:48:06 +0200117#if defined(CONFIG_ENV_IS_EMBEDDED)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200118#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
119#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
120 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
Jean-Christophe PLAGNIOL-VILLARD9314cee2008-09-10 22:47:59 +0200121 defined(CONFIG_ENV_IS_IN_NVRAM)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200122#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
wdenkfe8c2802002-11-03 00:38:21 +0000123#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200124#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
wdenkfe8c2802002-11-03 00:38:21 +0000125#endif
126
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200127#if !defined(CONFIG_SYS_MEM_TOP_HIDE)
128#define CONFIG_SYS_MEM_TOP_HIDE 0
Stefan Roese6fb4b642008-03-27 10:24:03 +0100129#endif
130
wdenk3b57fe02003-05-30 12:48:29 +0000131extern ulong __init_end;
132extern ulong _end;
wdenk3b57fe02003-05-30 12:48:29 +0000133ulong monitor_flash_len;
134
Jon Loeliger7def6b32007-07-09 18:02:11 -0500135#if defined(CONFIG_CMD_BEDBUG)
wdenk8bde7f72003-06-27 21:31:46 +0000136#include <bedbug/type.h>
137#endif
138
wdenkfe8c2802002-11-03 00:38:21 +0000139/*
140 * Begin and End of memory area for malloc(), and current "brk"
141 */
142static ulong mem_malloc_start = 0;
143static ulong mem_malloc_end = 0;
144static ulong mem_malloc_brk = 0;
145
146/************************************************************************
147 * Utilities *
148 ************************************************************************
149 */
150
151/*
152 * The Malloc area is immediately below the monitor copy in DRAM
153 */
154static void mem_malloc_init (void)
155{
Stefan Roesee9514752007-07-08 13:44:27 +0200156#if !defined(CONFIG_RELOC_FIXUP_WORKS)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200157 mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
Stefan Roesee9514752007-07-08 13:44:27 +0200158#endif
159 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
wdenkfe8c2802002-11-03 00:38:21 +0000160 mem_malloc_brk = mem_malloc_start;
161
162 memset ((void *) mem_malloc_start,
163 0,
164 mem_malloc_end - mem_malloc_start);
165}
166
167void *sbrk (ptrdiff_t increment)
168{
169 ulong old = mem_malloc_brk;
170 ulong new = old + increment;
171
172 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
173 return (NULL);
174 }
175 mem_malloc_brk = new;
176 return ((void *) old);
177}
178
wdenkfe8c2802002-11-03 00:38:21 +0000179/*
180 * All attempts to come up with a "common" initialization sequence
181 * that works for all boards and architectures failed: some of the
182 * requirements are just _too_ different. To get rid of the resulting
183 * mess of board dependend #ifdef'ed code we now make the whole
184 * initialization sequence configurable to the user.
185 *
186 * The requirements for any new initalization function is simple: it
187 * receives a pointer to the "global data" structure as it's only
188 * argument, and returns an integer return code, where 0 means
189 * "continue" and != 0 means "fatal error, hang the system".
190 */
191typedef int (init_fnc_t) (void);
192
193/************************************************************************
194 * Init Utilities *
195 ************************************************************************
196 * Some of this code should be moved into the core functions,
197 * but let's get it working (again) first...
198 */
199
200static int init_baudrate (void)
201{
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200202 char tmp[64]; /* long enough for environment variables */
wdenkfe8c2802002-11-03 00:38:21 +0000203 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
204
205 gd->baudrate = (i > 0)
206 ? (int) simple_strtoul (tmp, NULL, 10)
207 : CONFIG_BAUDRATE;
wdenkfe8c2802002-11-03 00:38:21 +0000208 return (0);
209}
210
211/***********************************************************************/
212
Kim Phillips79f240f2007-08-16 22:52:39 -0500213void __board_add_ram_info(int use_default)
214{
215 /* please define platform specific board_add_ram_info() */
216}
217void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
218
Stefan Roesed96f41e2005-11-30 13:06:40 +0100219
wdenkfe8c2802002-11-03 00:38:21 +0000220static int init_func_ram (void)
221{
wdenkfe8c2802002-11-03 00:38:21 +0000222#ifdef CONFIG_BOARD_TYPES
223 int board_type = gd->board_type;
224#else
225 int board_type = 0; /* use dummy arg */
226#endif
227 puts ("DRAM: ");
228
229 if ((gd->ram_size = initdram (board_type)) > 0) {
Stefan Roesed96f41e2005-11-30 13:06:40 +0100230 print_size (gd->ram_size, "");
Stefan Roesed96f41e2005-11-30 13:06:40 +0100231 board_add_ram_info(0);
Stefan Roesed96f41e2005-11-30 13:06:40 +0100232 putc('\n');
wdenkfe8c2802002-11-03 00:38:21 +0000233 return (0);
234 }
235 puts (failed);
236 return (1);
237}
238
239/***********************************************************************/
240
241#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
242static int init_func_i2c (void)
243{
244 puts ("I2C: ");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200245 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
wdenkfe8c2802002-11-03 00:38:21 +0000246 puts ("ready\n");
247 return (0);
248}
249#endif
250
Ben Warren04a9e112008-01-16 22:37:35 -0500251#if defined(CONFIG_HARD_SPI)
252static int init_func_spi (void)
253{
254 puts ("SPI: ");
255 spi_init ();
256 puts ("ready\n");
257 return (0);
258}
259#endif
260
wdenkfe8c2802002-11-03 00:38:21 +0000261/***********************************************************************/
262
263#if defined(CONFIG_WATCHDOG)
264static int init_func_watchdog_init (void)
265{
266 puts (" Watchdog enabled\n");
267 WATCHDOG_RESET ();
268 return (0);
269}
270# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
271
272static int init_func_watchdog_reset (void)
273{
274 WATCHDOG_RESET ();
275 return (0);
276}
277# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
278#else
279# define INIT_FUNC_WATCHDOG_INIT /* undef */
280# define INIT_FUNC_WATCHDOG_RESET /* undef */
281#endif /* CONFIG_WATCHDOG */
282
283/************************************************************************
284 * Initialization sequence *
285 ************************************************************************
286 */
287
288init_fnc_t *init_sequence[] = {
289
wdenkc837dcb2004-01-20 23:12:12 +0000290#if defined(CONFIG_BOARD_EARLY_INIT_F)
291 board_early_init_f,
wdenkfe8c2802002-11-03 00:38:21 +0000292#endif
wdenkc178d3d2004-01-24 20:25:54 +0000293
wdenk66ca92a2004-09-28 17:59:53 +0000294#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkfe8c2802002-11-03 00:38:21 +0000295 get_clocks, /* get CPU and bus clocks (etc.) */
Markus Klotzbuecher090eb732006-07-12 15:26:01 +0200296#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
297 && !defined(CONFIG_TQM885D)
wdenke9132ea2004-04-24 23:23:30 +0000298 adjust_sdram_tbs_8xx,
299#endif
wdenkfe8c2802002-11-03 00:38:21 +0000300 init_timebase,
wdenkc178d3d2004-01-24 20:25:54 +0000301#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200302#ifdef CONFIG_SYS_ALLOC_DPRAM
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500303#if !defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000304 dpram_init,
305#endif
wdenk7aa78612003-05-03 15:50:43 +0000306#endif
wdenkfe8c2802002-11-03 00:38:21 +0000307#if defined(CONFIG_BOARD_POSTCLK_INIT)
308 board_postclk_init,
309#endif
310 env_init,
wdenk66ca92a2004-09-28 17:59:53 +0000311#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkc178d3d2004-01-24 20:25:54 +0000312 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
313 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
314 init_timebase,
315#endif
wdenkfe8c2802002-11-03 00:38:21 +0000316 init_baudrate,
317 serial_init,
318 console_init_f,
319 display_options,
320#if defined(CONFIG_8260)
321 prt_8260_rsr,
322 prt_8260_clks,
323#endif /* CONFIG_8260 */
Dave Liu9be39a62007-06-25 10:41:56 +0800324#if defined(CONFIG_MPC83XX)
325 prt_83xx_rsr,
326#endif
wdenkfe8c2802002-11-03 00:38:21 +0000327 checkcpu,
wdenkcbd8a352004-02-24 02:00:03 +0000328#if defined(CONFIG_MPC5xxx)
wdenk945af8d2003-07-16 21:53:01 +0000329 prt_mpc5xxx_clks,
wdenkcbd8a352004-02-24 02:00:03 +0000330#endif /* CONFIG_MPC5xxx */
wdenk983fda82004-10-28 00:09:35 +0000331#if defined(CONFIG_MPC8220)
332 prt_mpc8220_clks,
333#endif
wdenkfe8c2802002-11-03 00:38:21 +0000334 checkboard,
335 INIT_FUNC_WATCHDOG_INIT
wdenkc837dcb2004-01-20 23:12:12 +0000336#if defined(CONFIG_MISC_INIT_F)
wdenkfe8c2802002-11-03 00:38:21 +0000337 misc_init_f,
338#endif
339 INIT_FUNC_WATCHDOG_RESET
340#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
341 init_func_i2c,
342#endif
Ben Warren04a9e112008-01-16 22:37:35 -0500343#if defined(CONFIG_HARD_SPI)
344 init_func_spi,
345#endif
wdenk4532cb62003-04-27 22:52:51 +0000346#ifdef CONFIG_POST
347 post_init_f,
348#endif
wdenkfe8c2802002-11-03 00:38:21 +0000349 INIT_FUNC_WATCHDOG_RESET
350 init_func_ram,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200351#if defined(CONFIG_SYS_DRAM_TEST)
wdenkfe8c2802002-11-03 00:38:21 +0000352 testdram,
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200353#endif /* CONFIG_SYS_DRAM_TEST */
wdenkfe8c2802002-11-03 00:38:21 +0000354 INIT_FUNC_WATCHDOG_RESET
355
356 NULL, /* Terminate this list */
357};
358
Kumar Gala81d93e52008-02-18 08:09:37 -0600359ulong get_effective_memsize(void)
360{
361#ifndef CONFIG_VERY_BIG_RAM
362 return gd->ram_size;
363#else
364 /* limit stack to what we can reasonable map */
365 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
366 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
367#endif
368}
369
wdenkfe8c2802002-11-03 00:38:21 +0000370/************************************************************************
371 *
372 * This is the first part of the initialization sequence that is
373 * implemented in C, but still running from ROM.
374 *
375 * The main purpose is to provide a (serial) console interface as
376 * soon as possible (so we can see any error messages), and to
377 * initialize the RAM so that we can relocate the monitor code to
378 * RAM.
379 *
380 * Be aware of the restrictions: global data is read-only, BSS is not
381 * initialized, and stack space is limited to a few kB.
382 *
383 ************************************************************************
384 */
385
Marian Balakowicz95d449a2008-05-13 15:53:29 +0200386#ifdef CONFIG_LOGBUFFER
387unsigned long logbuffer_base(void)
388{
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200389 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
Marian Balakowicz95d449a2008-05-13 15:53:29 +0200390}
391#endif
392
wdenkfe8c2802002-11-03 00:38:21 +0000393void board_init_f (ulong bootflag)
394{
wdenkfe8c2802002-11-03 00:38:21 +0000395 bd_t *bd;
396 ulong len, addr, addr_sp;
Wolfgang Denk7bc5ee02005-08-26 01:36:03 +0200397 ulong *s;
wdenkfe8c2802002-11-03 00:38:21 +0000398 gd_t *id;
399 init_fnc_t **init_fnc_ptr;
400#ifdef CONFIG_PRAM
401 int i;
402 ulong reg;
403 uchar tmp[64]; /* long enough for environment variables */
404#endif
405
406 /* Pointer is writable since we allocated a register for it */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200407 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenk93f6a672004-07-01 20:28:03 +0000408 /* compiler optimization barrier needed for GCC >= 3.4 */
409 __asm__ __volatile__("": : :"memory");
wdenkfe8c2802002-11-03 00:38:21 +0000410
Kumar Galaf0600542008-06-11 00:44:10 -0500411#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
412 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
wdenkfe8c2802002-11-03 00:38:21 +0000413 /* Clear initial global data */
414 memset ((void *) gd, 0, sizeof (gd_t));
415#endif
416
417 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
418 if ((*init_fnc_ptr) () != 0) {
419 hang ();
420 }
421 }
422
423 /*
424 * Now that we have DRAM mapped and working, we can
425 * relocate the code and continue running from DRAM.
426 *
427 * Reserve memory at end of RAM for (top down in that order):
Stefan Roese14f73ca2008-03-26 10:14:11 +0100428 * - area that won't get touched by U-Boot and Linux (optional)
wdenk8bde7f72003-06-27 21:31:46 +0000429 * - kernel log buffer
wdenkfe8c2802002-11-03 00:38:21 +0000430 * - protected RAM
431 * - LCD framebuffer
432 * - monitor code
433 * - board info struct
434 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200435 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
wdenkfe8c2802002-11-03 00:38:21 +0000436
Stefan Roese14f73ca2008-03-26 10:14:11 +0100437 /*
438 * Subtract specified amount of memory to hide so that it won't
439 * get "touched" at all by U-Boot. By fixing up gd->ram_size
440 * the Linux kernel should now get passed the now "corrected"
441 * memory size and won't touch it either. This should work
442 * for arch/ppc and arch/powerpc. Only Linux board ports in
443 * arch/powerpc with bootwrapper support, that recalculate the
444 * memory size from the SDRAM controller setup will have to
445 * get fixed.
446 */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200447 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
Stefan Roese14f73ca2008-03-26 10:14:11 +0100448
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200449 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
wdenkfe8c2802002-11-03 00:38:21 +0000450
Kumar Galafc39c2fd2009-03-31 17:58:13 -0500451#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
452 /*
453 * We need to make sure the location we intend to put secondary core
454 * boot code is reserved and not used by any part of u-boot
Wolfgang Denkc0a14ae2009-04-05 00:27:57 +0200455 */
Kumar Galafc39c2fd2009-03-31 17:58:13 -0500456 if (addr > determine_mp_bootpg()) {
457 addr = determine_mp_bootpg();
458 debug ("Reserving MP boot page to %08lx\n", addr);
459 }
460#endif
461
wdenk228f29a2002-12-08 09:53:23 +0000462#ifdef CONFIG_LOGBUFFER
Yuri Tikhonov3d610182008-02-06 18:48:36 +0100463#ifndef CONFIG_ALT_LB_ADDR
wdenk228f29a2002-12-08 09:53:23 +0000464 /* reserve kernel log buffer */
465 addr -= (LOGBUFF_RESERVE);
wdenk9d2b18a2003-06-28 23:11:04 +0000466 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
wdenk228f29a2002-12-08 09:53:23 +0000467#endif
Yuri Tikhonov3d610182008-02-06 18:48:36 +0100468#endif
wdenk228f29a2002-12-08 09:53:23 +0000469
wdenkfe8c2802002-11-03 00:38:21 +0000470#ifdef CONFIG_PRAM
471 /*
472 * reserve protected RAM
473 */
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200474 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
475 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
wdenkfe8c2802002-11-03 00:38:21 +0000476 addr -= (reg << 10); /* size is in kB */
wdenk9d2b18a2003-06-28 23:11:04 +0000477 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000478#endif /* CONFIG_PRAM */
479
480 /* round down to next 4 kB limit */
481 addr &= ~(4096 - 1);
wdenk9d2b18a2003-06-28 23:11:04 +0000482 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +0000483
484#ifdef CONFIG_LCD
485 /* reserve memory for LCD display (always full pages) */
486 addr = lcd_setmem (addr);
487 gd->fb_base = addr;
488#endif /* CONFIG_LCD */
489
490#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
491 /* reserve memory for video display (always full pages) */
492 addr = video_setmem (addr);
493 gd->fb_base = addr;
494#endif /* CONFIG_VIDEO */
495
496 /*
497 * reserve memory for U-Boot code, data & bss
wdenk682011f2003-06-03 23:54:09 +0000498 * round down to next 4 kB limit
wdenkfe8c2802002-11-03 00:38:21 +0000499 */
500 addr -= len;
wdenk682011f2003-06-03 23:54:09 +0000501 addr &= ~(4096 - 1);
Wolfgang Denk7d314992005-10-05 00:00:54 +0200502#ifdef CONFIG_E500
503 /* round down to next 64 kB limit so that IVPR stays aligned */
504 addr &= ~(65536 - 1);
505#endif
wdenkfe8c2802002-11-03 00:38:21 +0000506
wdenk9d2b18a2003-06-28 23:11:04 +0000507 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000508
wdenkc7de8292002-11-19 11:04:11 +0000509#ifdef CONFIG_AMIGAONEG3SE
510 gd->relocaddr = addr;
511#endif
512
wdenkfe8c2802002-11-03 00:38:21 +0000513 /*
514 * reserve memory for malloc() arena
515 */
516 addr_sp = addr - TOTAL_MALLOC_LEN;
wdenk9d2b18a2003-06-28 23:11:04 +0000517 debug ("Reserving %dk for malloc() at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000518 TOTAL_MALLOC_LEN >> 10, addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000519
520 /*
521 * (permanently) allocate a Board Info struct
522 * and a permanent copy of the "global" data
523 */
524 addr_sp -= sizeof (bd_t);
525 bd = (bd_t *) addr_sp;
526 gd->bd = bd;
Wolfgang Denkb64f1902008-07-14 15:06:35 +0200527 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000528 sizeof (bd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000529 addr_sp -= sizeof (gd_t);
530 id = (gd_t *) addr_sp;
Wolfgang Denkb64f1902008-07-14 15:06:35 +0200531 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000532 sizeof (gd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000533
534 /*
535 * Finally, we set up a new (bigger) stack.
536 *
537 * Leave some safety gap for SP, force alignment on 16 byte boundary
538 * Clear initial stack frame
539 */
540 addr_sp -= 16;
541 addr_sp &= ~0xF;
Wolfgang Denk7bc5ee02005-08-26 01:36:03 +0200542 s = (ulong *)addr_sp;
543 *s-- = 0;
544 *s-- = 0;
545 addr_sp = (ulong)s;
wdenk9d2b18a2003-06-28 23:11:04 +0000546 debug ("Stack Pointer at: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000547
548 /*
549 * Save local variables to board info struct
550 */
551
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200552 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000553 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
554
555#ifdef CONFIG_IP860
wdenkc837dcb2004-01-20 23:12:12 +0000556 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
557 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
wdenk983fda82004-10-28 00:09:35 +0000558#elif defined CONFIG_MPC8220
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200559 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
560 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000561#else
wdenkc837dcb2004-01-20 23:12:12 +0000562 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
563 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000564#endif
565
wdenk42d1f032003-10-15 23:53:47 +0000566#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
Jon Loeligerdebb7352006-04-26 17:58:56 -0500567 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200568 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
wdenkfe8c2802002-11-03 00:38:21 +0000569#endif
wdenkcbd8a352004-02-24 02:00:03 +0000570#if defined(CONFIG_MPC5xxx)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200571 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk945af8d2003-07-16 21:53:01 +0000572#endif
Eran Libertyf046ccd2005-07-28 10:08:46 -0500573#if defined(CONFIG_MPC83XX)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200574 bd->bi_immrbar = CONFIG_SYS_IMMR;
Eran Libertyf046ccd2005-07-28 10:08:46 -0500575#endif
wdenk983fda82004-10-28 00:09:35 +0000576#if defined(CONFIG_MPC8220)
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200577 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk983fda82004-10-28 00:09:35 +0000578 bd->bi_inpfreq = gd->inp_clk;
579 bd->bi_pcifreq = gd->pci_clk;
580 bd->bi_vcofreq = gd->vco_clk;
581 bd->bi_pevfreq = gd->pev_clk;
582 bd->bi_flbfreq = gd->flb_clk;
583
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100584 /* store bootparam to sram (backward compatible), here? */
585 {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200586 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
Wolfgang Denkdd520bf2006-11-30 18:02:20 +0100587 *sram++ = gd->ram_size;
588 *sram++ = gd->bus_clk;
589 *sram++ = gd->inp_clk;
590 *sram++ = gd->cpu_clk;
591 *sram++ = gd->vco_clk;
592 *sram++ = gd->flb_clk;
593 *sram++ = 0xb8c3ba11; /* boot signature */
594 }
wdenk983fda82004-10-28 00:09:35 +0000595#endif
wdenkfe8c2802002-11-03 00:38:21 +0000596
597 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
598
599 WATCHDOG_RESET ();
600 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
601 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500602#if defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000603 bd->bi_cpmfreq = gd->cpm_clk;
604 bd->bi_brgfreq = gd->brg_clk;
605 bd->bi_sccfreq = gd->scc_clk;
606 bd->bi_vco = gd->vco_out;
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -0500607#endif /* CONFIG_CPM2 */
Grzegorz Bernacki281ff9a2008-01-08 17:16:15 +0100608#if defined(CONFIG_MPC512X)
Grzegorz Bernacki5d49e0e2008-01-11 12:03:43 +0100609 bd->bi_ipsfreq = gd->ips_clk;
Grzegorz Bernacki281ff9a2008-01-08 17:16:15 +0100610#endif /* CONFIG_MPC512X */
wdenkcbd8a352004-02-24 02:00:03 +0000611#if defined(CONFIG_MPC5xxx)
wdenk945af8d2003-07-16 21:53:01 +0000612 bd->bi_ipbfreq = gd->ipb_clk;
613 bd->bi_pcifreq = gd->pci_clk;
wdenkcbd8a352004-02-24 02:00:03 +0000614#endif /* CONFIG_MPC5xxx */
wdenkfe8c2802002-11-03 00:38:21 +0000615 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
616
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200617#ifdef CONFIG_SYS_EXTBDINFO
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200618 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
619 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
wdenkfe8c2802002-11-03 00:38:21 +0000620
621 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
622 bd->bi_plb_busfreq = gd->bus_clk;
Stefan Roese343c48b2007-05-11 12:01:06 +0200623#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
624 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
625 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
wdenkfe8c2802002-11-03 00:38:21 +0000626 bd->bi_pci_busfreq = get_PCI_freq ();
wdenk109c0e32004-03-23 21:43:07 +0000627 bd->bi_opbfreq = get_OPB_freq ();
Michal Simek9fea65a2008-06-24 09:54:09 +0200628#elif defined(CONFIG_XILINX_405)
wdenk028ab6b2004-02-23 23:54:43 +0000629 bd->bi_pci_busfreq = get_PCI_freq ();
wdenkfe8c2802002-11-03 00:38:21 +0000630#endif
631#endif
632
wdenk9d2b18a2003-06-28 23:11:04 +0000633 debug ("New Stack Pointer is: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000634
635 WATCHDOG_RESET ();
636
637#ifdef CONFIG_POST
638 post_bootmode_init();
wdenk6dff5522003-07-15 07:45:49 +0000639 post_run (NULL, POST_ROM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +0000640#endif
641
642 WATCHDOG_RESET();
643
wdenk27b207f2003-07-24 23:38:38 +0000644 memcpy (id, (void *)gd, sizeof (gd_t));
wdenkfe8c2802002-11-03 00:38:21 +0000645
646 relocate_code (addr_sp, id, addr);
647
648 /* NOTREACHED - relocate_code() does not return */
649}
650
wdenkfe8c2802002-11-03 00:38:21 +0000651/************************************************************************
652 *
653 * This is the next part if the initialization sequence: we are now
654 * running from RAM and have a "normal" C environment, i. e. global
655 * data can be written, BSS has been cleared, the stack size in not
656 * that critical any more, etc.
657 *
658 ************************************************************************
659 */
wdenkfe8c2802002-11-03 00:38:21 +0000660void board_init_r (gd_t *id, ulong dest_addr)
661{
wdenkfe8c2802002-11-03 00:38:21 +0000662 cmd_tbl_t *cmdtp;
Stefan Roeseff7dc062009-02-23 16:52:36 +0100663 char *s;
wdenkfe8c2802002-11-03 00:38:21 +0000664 bd_t *bd;
wdenkfe8c2802002-11-03 00:38:21 +0000665 extern void malloc_bin_reloc (void);
Jean-Christophe PLAGNIOL-VILLARD93f6d722008-09-10 22:48:00 +0200666#ifndef CONFIG_ENV_IS_NOWHERE
wdenkfe8c2802002-11-03 00:38:21 +0000667 extern char * env_name_spec;
668#endif
669
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200670#ifndef CONFIG_SYS_NO_FLASH
wdenkfe8c2802002-11-03 00:38:21 +0000671 ulong flash_size;
672#endif
673
674 gd = id; /* initialize RAM version of global data */
675 bd = gd->bd;
676
677 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Grant Likelyf82b3b62007-07-03 00:34:19 -0600678
679#if defined(CONFIG_RELOC_FIXUP_WORKS)
680 gd->reloc_off = 0;
Stefan Roesee9514752007-07-08 13:44:27 +0200681 mem_malloc_end = dest_addr;
Grant Likelyf82b3b62007-07-03 00:34:19 -0600682#else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200683 gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
Grant Likelyf82b3b62007-07-03 00:34:19 -0600684#endif
Marian Balakowiczbb105f22006-06-30 15:27:09 +0200685
686#ifdef CONFIG_SERIAL_MULTI
687 serial_initialize();
688#endif
wdenkfe8c2802002-11-03 00:38:21 +0000689
wdenk9d2b18a2003-06-28 23:11:04 +0000690 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000691
692 WATCHDOG_RESET ();
693
Becky Bruced025aa42008-10-31 17:14:39 -0500694 /*
695 * Setup trap handlers
696 */
697 trap_init (dest_addr);
698
Becky Brucec9315e62009-02-03 18:10:52 -0600699#ifdef CONFIG_ADDR_MAP
Kumar Galaecf5b982008-12-16 14:59:20 -0600700 init_addr_map();
701#endif
702
wdenkc837dcb2004-01-20 23:12:12 +0000703#if defined(CONFIG_BOARD_EARLY_INIT_R)
704 board_early_init_r ();
705#endif
706
wdenk3b57fe02003-05-30 12:48:29 +0000707 monitor_flash_len = (ulong)&__init_end - dest_addr;
wdenkfe8c2802002-11-03 00:38:21 +0000708
709 /*
710 * We have to relocate the command table manually
711 */
wdenk8bde7f72003-06-27 21:31:46 +0000712 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
wdenkfe8c2802002-11-03 00:38:21 +0000713 ulong addr;
wdenkfe8c2802002-11-03 00:38:21 +0000714 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
715#if 0
716 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
717 cmdtp->name, (ulong) (cmdtp->cmd), addr);
718#endif
719 cmdtp->cmd =
720 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
721
722 addr = (ulong)(cmdtp->name) + gd->reloc_off;
723 cmdtp->name = (char *)addr;
724
725 if (cmdtp->usage) {
726 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
727 cmdtp->usage = (char *)addr;
728 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200729#ifdef CONFIG_SYS_LONGHELP
wdenkfe8c2802002-11-03 00:38:21 +0000730 if (cmdtp->help) {
731 addr = (ulong)(cmdtp->help) + gd->reloc_off;
732 cmdtp->help = (char *)addr;
733 }
734#endif
735 }
736 /* there are some other pointer constants we must deal with */
Jean-Christophe PLAGNIOL-VILLARD93f6d722008-09-10 22:48:00 +0200737#ifndef CONFIG_ENV_IS_NOWHERE
wdenkfe8c2802002-11-03 00:38:21 +0000738 env_name_spec += gd->reloc_off;
739#endif
740
741 WATCHDOG_RESET ();
742
wdenk56f94be2002-11-05 16:35:14 +0000743#ifdef CONFIG_LOGBUFFER
wdenk228f29a2002-12-08 09:53:23 +0000744 logbuff_init_ptrs ();
wdenk56f94be2002-11-05 16:35:14 +0000745#endif
wdenkfe8c2802002-11-03 00:38:21 +0000746#ifdef CONFIG_POST
wdenk228f29a2002-12-08 09:53:23 +0000747 post_output_backlog ();
wdenkfe8c2802002-11-03 00:38:21 +0000748 post_reloc ();
749#endif
750
751 WATCHDOG_RESET();
752
Heiko Schocher506f3912009-03-12 07:37:15 +0100753#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83XX)
wdenkfe8c2802002-11-03 00:38:21 +0000754 icache_enable (); /* it's time to enable the instruction cache */
755#endif
756
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200757#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
wdenkc837dcb2004-01-20 23:12:12 +0000758 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
wdenk42d1f032003-10-15 23:53:47 +0000759#endif
760
wdenk3bac3512003-03-12 10:41:04 +0000761#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
wdenkfe8c2802002-11-03 00:38:21 +0000762 /*
wdenk3bac3512003-03-12 10:41:04 +0000763 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
764 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
765 * bridge there.
wdenkfe8c2802002-11-03 00:38:21 +0000766 */
767 pci_init ();
wdenk3bac3512003-03-12 10:41:04 +0000768#endif
769#if defined(CONFIG_BAB7xx)
wdenkfe8c2802002-11-03 00:38:21 +0000770 /*
771 * Initialise the ISA bridge
772 */
773 initialise_w83c553f ();
774#endif
775
776 asm ("sync ; isync");
777
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200778#if !defined(CONFIG_SYS_NO_FLASH)
wdenkfe8c2802002-11-03 00:38:21 +0000779 puts ("FLASH: ");
780
781 if ((flash_size = flash_init ()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200782# ifdef CONFIG_SYS_FLASH_CHECKSUM
wdenkfe8c2802002-11-03 00:38:21 +0000783 print_size (flash_size, "");
784 /*
785 * Compute and print flash CRC if flashchecksum is set to 'y'
786 *
787 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
788 */
789 s = getenv ("flashchecksum");
790 if (s && (*s == 'y')) {
Wolfgang Denk06c53be2008-07-10 13:16:09 +0200791 printf (" CRC: %08X",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200792 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
wdenk7e780362004-04-08 22:31:29 +0000793 );
wdenkfe8c2802002-11-03 00:38:21 +0000794 }
795 putc ('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200796# else /* !CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000797 print_size (flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200798# endif /* CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000799 } else {
800 puts (failed);
801 hang ();
802 }
803
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200804 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
wdenkfe8c2802002-11-03 00:38:21 +0000805 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Heiko Schocherfa230442006-12-21 17:17:02 +0100806
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200807#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
Heiko Schocherfa230442006-12-21 17:17:02 +0100808 /* Make a update of the Memctrl. */
809 update_flash_size (flash_size);
810#endif
811
812
wdenk7e780362004-04-08 22:31:29 +0000813# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
814 /* flash mapped at end of memory map */
815 bd->bi_flashoffset = TEXT_BASE + flash_size;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200816# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
wdenk3b57fe02003-05-30 12:48:29 +0000817 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
wdenk0cb61d72003-08-30 00:05:50 +0000818# else
wdenkfe8c2802002-11-03 00:38:21 +0000819 bd->bi_flashoffset = 0;
wdenk0cb61d72003-08-30 00:05:50 +0000820# endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200821#else /* CONFIG_SYS_NO_FLASH */
wdenkfe8c2802002-11-03 00:38:21 +0000822
823 bd->bi_flashsize = 0;
824 bd->bi_flashstart = 0;
825 bd->bi_flashoffset = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200826#endif /* !CONFIG_SYS_NO_FLASH */
wdenkfe8c2802002-11-03 00:38:21 +0000827
828 WATCHDOG_RESET ();
829
830 /* initialize higher level parts of CPU like time base and timers */
831 cpu_init_r ();
832
833 WATCHDOG_RESET ();
834
835 /* initialize malloc() area */
836 mem_malloc_init ();
837 malloc_bin_reloc ();
838
839#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDbb1f8b42008-09-05 09:19:30 +0200840# if !defined(CONFIG_ENV_IS_IN_EEPROM)
wdenkfe8c2802002-11-03 00:38:21 +0000841 spi_init_f ();
842# endif
843 spi_init_r ();
844#endif
845
Jon Loeliger7def6b32007-07-09 18:02:11 -0500846#if defined(CONFIG_CMD_NAND)
Stefan Roese887e2ec2006-09-07 11:51:23 +0200847 WATCHDOG_RESET ();
848 puts ("NAND: ");
849 nand_init(); /* go init the NAND */
850#endif
851
wdenkfe8c2802002-11-03 00:38:21 +0000852 /* relocate environment function pointers etc. */
853 env_relocate ();
854
855 /*
856 * Fill in missing fields of bd_info.
wdenk8bde7f72003-06-27 21:31:46 +0000857 * We do this here, where we have "normal" access to the
858 * environment; we used to do this still running from ROM,
859 * where had to use getenv_r(), which can be pretty slow when
860 * the environment is in EEPROM.
wdenkfe8c2802002-11-03 00:38:21 +0000861 */
wdenk7abf0c52004-04-18 21:45:42 +0000862
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200863#if defined(CONFIG_SYS_EXTBDINFO)
wdenk7abf0c52004-04-18 21:45:42 +0000864#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
865#if defined(CONFIG_I2CFAST)
866 /*
867 * set bi_iic_fast for linux taking environment variable
868 * "i2cfast" into account
869 */
870 {
871 char *s = getenv ("i2cfast");
872 if (s && ((*s == 'y') || (*s == 'Y'))) {
873 bd->bi_iic_fast[0] = 1;
874 bd->bi_iic_fast[1] = 1;
875 } else {
876 bd->bi_iic_fast[0] = 0;
877 bd->bi_iic_fast[1] = 0;
878 }
879 }
880#else
881 bd->bi_iic_fast[0] = 0;
882 bd->bi_iic_fast[1] = 0;
883#endif /* CONFIG_I2CFAST */
884#endif /* CONFIG_405GP, CONFIG_405EP */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200885#endif /* CONFIG_SYS_EXTBDINFO */
wdenk7abf0c52004-04-18 21:45:42 +0000886
Wolfgang Denk9045f332007-06-08 10:24:58 +0200887#if defined(CONFIG_SC3)
Heiko Schocherca43ba12007-01-11 15:44:44 +0100888 sc3_read_eeprom();
889#endif
Haiying Wangd59feff2008-01-16 17:12:12 -0500890
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200891#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
Haiying Wangd59feff2008-01-16 17:12:12 -0500892 mac_read_from_eeprom();
893#endif
894
wdenkfe8c2802002-11-03 00:38:21 +0000895#ifdef CONFIG_HERMES
896 if ((gd->board_type >> 16) == 2)
897 bd->bi_ethspeed = gd->board_type & 0xFFFF;
898 else
899 bd->bi_ethspeed = 0xFFFF;
900#endif
901
Stefan Roese02a301c2009-02-25 12:11:15 +0100902#ifdef CONFIG_CMD_NET
Mike Frysingereb85aa52009-02-11 20:07:19 -0500903 /* kept around for legacy kernels only ... ignore the next section */
904 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
wdenke2ffd592004-12-31 09:32:47 +0000905#ifdef CONFIG_HAS_ETH1
Mike Frysingereb85aa52009-02-11 20:07:19 -0500906 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
wdenkfe8c2802002-11-03 00:38:21 +0000907#endif
wdenke2ffd592004-12-31 09:32:47 +0000908#ifdef CONFIG_HAS_ETH2
Mike Frysingereb85aa52009-02-11 20:07:19 -0500909 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
wdenkfe8c2802002-11-03 00:38:21 +0000910#endif
wdenke2ffd592004-12-31 09:32:47 +0000911#ifdef CONFIG_HAS_ETH3
Mike Frysingereb85aa52009-02-11 20:07:19 -0500912 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
wdenkba56f622004-02-06 23:19:44 +0000913#endif
richardretanubunc68a05f2008-09-29 18:28:23 -0400914#ifdef CONFIG_HAS_ETH4
Mike Frysingereb85aa52009-02-11 20:07:19 -0500915 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
richardretanubunc68a05f2008-09-29 18:28:23 -0400916#endif
richardretanubunc68a05f2008-09-29 18:28:23 -0400917#ifdef CONFIG_HAS_ETH5
Mike Frysingereb85aa52009-02-11 20:07:19 -0500918 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
richardretanubunc68a05f2008-09-29 18:28:23 -0400919#endif
Stefan Roese02a301c2009-02-25 12:11:15 +0100920#endif /* CONFIG_CMD_NET */
richardretanubunc68a05f2008-09-29 18:28:23 -0400921
wdenkfe8c2802002-11-03 00:38:21 +0000922 /* IP Address */
923 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
924
925 WATCHDOG_RESET ();
926
wdenk979bdbc2004-06-01 21:08:17 +0000927#if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
wdenkfe8c2802002-11-03 00:38:21 +0000928 /*
929 * Do pci configuration
930 */
931 pci_init ();
932#endif
933
934/** leave this here (after malloc(), environment and PCI are working) **/
935 /* Initialize devices */
936 devices_init ();
937
wdenk27b207f2003-07-24 23:38:38 +0000938 /* Initialize the jump table for applications */
939 jumptable_init ();
wdenkfe8c2802002-11-03 00:38:21 +0000940
Rafal Jaworowski500856e2008-01-09 19:39:36 +0100941#if defined(CONFIG_API)
942 /* Initialize API */
943 api_init ();
944#endif
945
wdenkfe8c2802002-11-03 00:38:21 +0000946 /* Initialize the console (after the relocation and devices init) */
947 console_init_r ();
wdenkfe8c2802002-11-03 00:38:21 +0000948
949#if defined(CONFIG_CCM) || \
950 defined(CONFIG_COGENT) || \
951 defined(CONFIG_CPCI405) || \
952 defined(CONFIG_EVB64260) || \
wdenk56f94be2002-11-05 16:35:14 +0000953 defined(CONFIG_KUP4K) || \
wdenk0608e042004-03-25 19:29:38 +0000954 defined(CONFIG_KUP4X) || \
wdenkfe8c2802002-11-03 00:38:21 +0000955 defined(CONFIG_LWMON) || \
956 defined(CONFIG_PCU_E) || \
Wolfgang Denk9045f332007-06-08 10:24:58 +0200957 defined(CONFIG_SC3) || \
wdenkfe8c2802002-11-03 00:38:21 +0000958 defined(CONFIG_W7O) || \
959 defined(CONFIG_MISC_INIT_R)
960 /* miscellaneous platform dependent initialisations */
961 misc_init_r ();
962#endif
963
964#ifdef CONFIG_HERMES
965 if (bd->bi_ethspeed != 0xFFFF)
966 hermes_start_lxt980 ((int) bd->bi_ethspeed);
967#endif
968
Jon Loeliger7def6b32007-07-09 18:02:11 -0500969#if defined(CONFIG_CMD_KGDB)
wdenkfe8c2802002-11-03 00:38:21 +0000970 WATCHDOG_RESET ();
971 puts ("KGDB: ");
972 kgdb_init ();
973#endif
974
wdenk9d2b18a2003-06-28 23:11:04 +0000975 debug ("U-Boot relocated to %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000976
977 /*
978 * Enable Interrupts
979 */
980 interrupt_init ();
981
982 /* Must happen after interrupts are initialized since
983 * an irq handler gets installed
984 */
wdenk42dfe7a2004-03-14 22:25:36 +0000985#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
wdenkfe8c2802002-11-03 00:38:21 +0000986 serial_buffered_init();
987#endif
988
Heiko Schocher566a4942007-06-22 19:11:54 +0200989#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
wdenkfe8c2802002-11-03 00:38:21 +0000990 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
991#endif
992
993 udelay (20);
994
995 set_timer (0);
996
wdenkfe8c2802002-11-03 00:38:21 +0000997 /* Initialize from environment */
998 if ((s = getenv ("loadaddr")) != NULL) {
999 load_addr = simple_strtoul (s, NULL, 16);
1000 }
Jon Loeliger7def6b32007-07-09 18:02:11 -05001001#if defined(CONFIG_CMD_NET)
wdenkfe8c2802002-11-03 00:38:21 +00001002 if ((s = getenv ("bootfile")) != NULL) {
1003 copy_filename (BootFile, s, sizeof (BootFile));
1004 }
Jon Loeligerb3aff0c2007-07-10 11:19:50 -05001005#endif
wdenkfe8c2802002-11-03 00:38:21 +00001006
1007 WATCHDOG_RESET ();
1008
Heiko Schocher9c2d63e2009-02-25 12:28:32 +01001009#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
1010 dtt_init ();
1011#endif
Jon Loeliger7def6b32007-07-09 18:02:11 -05001012#if defined(CONFIG_CMD_SCSI)
wdenkfe8c2802002-11-03 00:38:21 +00001013 WATCHDOG_RESET ();
1014 puts ("SCSI: ");
1015 scsi_init ();
1016#endif
1017
Andy Fleming272cc702008-10-30 16:41:01 -05001018#ifdef CONFIG_GENERIC_MMC
1019 WATCHDOG_RESET ();
1020 puts ("MMC: ");
1021 mmc_initialize (bd);
1022#endif
1023
Jon Loeliger7def6b32007-07-09 18:02:11 -05001024#if defined(CONFIG_CMD_DOC)
wdenkfe8c2802002-11-03 00:38:21 +00001025 WATCHDOG_RESET ();
1026 puts ("DOC: ");
1027 doc_init ();
1028#endif
1029
Jon Loeliger7def6b32007-07-09 18:02:11 -05001030#if defined(CONFIG_CMD_NET)
Marian Balakowicz63ff0042005-10-28 22:30:33 +02001031#if defined(CONFIG_NET_MULTI)
wdenkfe8c2802002-11-03 00:38:21 +00001032 WATCHDOG_RESET ();
1033 puts ("Net: ");
Marian Balakowicz63ff0042005-10-28 22:30:33 +02001034#endif
wdenkfe8c2802002-11-03 00:38:21 +00001035 eth_initialize (bd);
1036#endif
1037
Jon Loeliger7def6b32007-07-09 18:02:11 -05001038#if defined(CONFIG_CMD_NET) && ( \
Marian Balakowicz63ff0042005-10-28 22:30:33 +02001039 defined(CONFIG_CCM) || \
1040 defined(CONFIG_ELPT860) || \
1041 defined(CONFIG_EP8260) || \
1042 defined(CONFIG_IP860) || \
1043 defined(CONFIG_IVML24) || \
1044 defined(CONFIG_IVMS8) || \
1045 defined(CONFIG_MPC8260ADS) || \
1046 defined(CONFIG_MPC8266ADS) || \
1047 defined(CONFIG_MPC8560ADS) || \
1048 defined(CONFIG_PCU_E) || \
1049 defined(CONFIG_RPXSUPER) || \
1050 defined(CONFIG_STXGP3) || \
1051 defined(CONFIG_SPD823TS) || \
1052 defined(CONFIG_RESET_PHY_R) )
1053
1054 WATCHDOG_RESET ();
1055 debug ("Reset Ethernet PHY\n");
1056 reset_phy ();
1057#endif
1058
wdenkfe8c2802002-11-03 00:38:21 +00001059#ifdef CONFIG_POST
wdenk6dff5522003-07-15 07:45:49 +00001060 post_run (NULL, POST_RAM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +00001061#endif
1062
Jon Loeliger7def6b32007-07-09 18:02:11 -05001063#if defined(CONFIG_CMD_PCMCIA) \
1064 && !defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +00001065 WATCHDOG_RESET ();
1066 puts ("PCMCIA:");
1067 pcmcia_init ();
1068#endif
1069
Jon Loeliger7def6b32007-07-09 18:02:11 -05001070#if defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +00001071 WATCHDOG_RESET ();
1072# ifdef CONFIG_IDE_8xx_PCCARD
1073 puts ("PCMCIA:");
1074# else
1075 puts ("IDE: ");
1076#endif
Heiko Schocherca43ba12007-01-11 15:44:44 +01001077#if defined(CONFIG_START_IDE)
1078 if (board_start_ide())
1079 ide_init ();
1080#else
wdenkfe8c2802002-11-03 00:38:21 +00001081 ide_init ();
Heiko Schocherca43ba12007-01-11 15:44:44 +01001082#endif
Jon Loeligerb3aff0c2007-07-10 11:19:50 -05001083#endif
wdenkfe8c2802002-11-03 00:38:21 +00001084
1085#ifdef CONFIG_LAST_STAGE_INIT
1086 WATCHDOG_RESET ();
1087 /*
1088 * Some parts can be only initialized if all others (like
1089 * Interrupts) are up and running (i.e. the PC-style ISA
1090 * keyboard).
1091 */
1092 last_stage_init ();
1093#endif
1094
Jon Loeliger7def6b32007-07-09 18:02:11 -05001095#if defined(CONFIG_CMD_BEDBUG)
wdenkfe8c2802002-11-03 00:38:21 +00001096 WATCHDOG_RESET ();
1097 bedbug_init ();
1098#endif
1099
wdenk228f29a2002-12-08 09:53:23 +00001100#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
wdenkfe8c2802002-11-03 00:38:21 +00001101 /*
1102 * Export available size of memory for Linux,
1103 * taking into account the protected RAM at top of memory
1104 */
1105 {
1106 ulong pram;
wdenkfe8c2802002-11-03 00:38:21 +00001107 uchar memsz[32];
wdenk228f29a2002-12-08 09:53:23 +00001108#ifdef CONFIG_PRAM
1109 char *s;
wdenkfe8c2802002-11-03 00:38:21 +00001110
1111 if ((s = getenv ("pram")) != NULL) {
1112 pram = simple_strtoul (s, NULL, 10);
1113 } else {
1114 pram = CONFIG_PRAM;
1115 }
wdenk228f29a2002-12-08 09:53:23 +00001116#else
1117 pram=0;
1118#endif
1119#ifdef CONFIG_LOGBUFFER
Yuri Tikhonov3d610182008-02-06 18:48:36 +01001120#ifndef CONFIG_ALT_LB_ADDR
wdenk228f29a2002-12-08 09:53:23 +00001121 /* Also take the logbuffer into account (pram is in kB) */
1122 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1123#endif
Yuri Tikhonov3d610182008-02-06 18:48:36 +01001124#endif
Wolfgang Denk77ddac92005-10-13 16:45:02 +02001125 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1126 setenv ("mem", (char *)memsz);
wdenkfe8c2802002-11-03 00:38:21 +00001127 }
1128#endif
1129
wdenk1c437712004-01-16 00:30:56 +00001130#ifdef CONFIG_PS2KBD
1131 puts ("PS/2: ");
1132 kbd_init();
1133#endif
1134
wdenk4532cb62003-04-27 22:52:51 +00001135#ifdef CONFIG_MODEM_SUPPORT
1136 {
1137 extern int do_mdm_init;
1138 do_mdm_init = gd->do_mdm_init;
1139 }
1140#endif
1141
wdenkfe8c2802002-11-03 00:38:21 +00001142 /* Initialization complete - start the monitor */
1143
1144 /* main_loop() can return to retry autoboot, if so just run it again. */
1145 for (;;) {
1146 WATCHDOG_RESET ();
1147 main_loop ();
1148 }
1149
1150 /* NOTREACHED - no way out of command loop except booting */
1151}
1152
1153void hang (void)
1154{
1155 puts ("### ERROR ### Please RESET the board ###\n");
wdenk63e73c92004-02-23 22:22:28 +00001156 show_boot_progress(-30);
wdenkfe8c2802002-11-03 00:38:21 +00001157 for (;;);
1158}
1159
wdenk4532cb62003-04-27 22:52:51 +00001160#ifdef CONFIG_MODEM_SUPPORT
1161/* called from main loop (common/main.c) */
Wolfgang Denk77ddac92005-10-13 16:45:02 +02001162/* 'inline' - We have to do it fast */
1163static inline void mdm_readline(char *buf, int bufsiz)
1164{
1165 char c;
1166 char *p;
1167 int n;
1168
1169 n = 0;
1170 p = buf;
1171 for(;;) {
1172 c = serial_getc();
1173
1174 /* dbg("(%c)", c); */
1175
1176 switch(c) {
1177 case '\r':
1178 break;
1179 case '\n':
1180 *p = '\0';
1181 return;
1182
1183 default:
1184 if(n++ > bufsiz) {
1185 *p = '\0';
1186 return; /* sanity check */
1187 }
1188 *p = c;
1189 p++;
1190 break;
1191 }
1192 }
1193}
1194
wdenk4532cb62003-04-27 22:52:51 +00001195extern void dbg(const char *fmt, ...);
1196int mdm_init (void)
1197{
1198 char env_str[16];
1199 char *init_str;
1200 int i;
1201 extern char console_buffer[];
wdenk4532cb62003-04-27 22:52:51 +00001202 extern void enable_putc(void);
1203 extern int hwflow_onoff(int);
1204
1205 enable_putc(); /* enable serial_putc() */
1206
1207#ifdef CONFIG_HWFLOW
1208 init_str = getenv("mdm_flow_control");
1209 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1210 hwflow_onoff (1);
1211 else
1212 hwflow_onoff(-1);
1213#endif
1214
1215 for (i = 1;;i++) {
1216 sprintf(env_str, "mdm_init%d", i);
1217 if ((init_str = getenv(env_str)) != NULL) {
1218 serial_puts(init_str);
1219 serial_puts("\n");
1220 for(;;) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001221 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
wdenk4532cb62003-04-27 22:52:51 +00001222 dbg("ini%d: [%s]", i, console_buffer);
1223
1224 if ((strcmp(console_buffer, "OK") == 0) ||
1225 (strcmp(console_buffer, "ERROR") == 0)) {
1226 dbg("ini%d: cmd done", i);
1227 break;
1228 } else /* in case we are originating call ... */
1229 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1230 dbg("ini%d: connect", i);
1231 return 0;
1232 }
1233 }
1234 } else
1235 break; /* no init string - stop modem init */
1236
1237 udelay(100000);
1238 }
1239
1240 udelay(100000);
1241
1242 /* final stage - wait for connect */
1243 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1244 message from modem */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001245 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
wdenk4532cb62003-04-27 22:52:51 +00001246 dbg("ini_f: [%s]", console_buffer);
1247 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1248 dbg("ini_f: connected");
1249 return 0;
1250 }
1251 }
1252
1253 return 0;
1254}
1255
wdenk4532cb62003-04-27 22:52:51 +00001256#endif
1257
wdenkfe8c2802002-11-03 00:38:21 +00001258#if 0 /* We could use plain global data, but the resulting code is bigger */
1259/*
1260 * Pointer to initial global data area
1261 *
1262 * Here we initialize it.
1263 */
1264#undef XTRN_DECLARE_GLOBAL_DATA_PTR
1265#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +02001266DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenkfe8c2802002-11-03 00:38:21 +00001267#endif /* 0 */
1268
1269/************************************************************************/