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wdenkfe8c2802002-11-03 00:38:21 +00001/*
Detlev Zundela2ea2762010-01-22 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-VILLARD2a7a0312009-05-16 12:14:54 +020028#include <stdio_dev.h>
wdenkfe8c2802002-11-03 00:38:21 +000029#ifdef CONFIG_8xx
30#include <mpc8xx.h>
31#endif
wdenk359733b2003-03-31 17:27:09 +000032#ifdef CONFIG_5xx
33#include <mpc5xx.h>
34#endif
wdenkbe9c1cb2004-02-24 02:00:03 +000035#ifdef CONFIG_MPC5xxx
wdenk21136db2003-07-16 21:53:01 +000036#include <mpc5xxx.h>
37#endif
Jon Loeliger6b233052007-07-09 18:02:11 -050038#if defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +000039#include <ide.h>
40#endif
Jon Loeliger6b233052007-07-09 18:02:11 -050041#if defined(CONFIG_CMD_SCSI)
wdenkfe8c2802002-11-03 00:38:21 +000042#include <scsi.h>
43#endif
Jon Loeliger6b233052007-07-09 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 Flemingad347bb2008-10-30 16:41:01 -050051#ifdef CONFIG_GENERIC_MMC
52#include <mmc.h>
53#endif
wdenk7ac16102004-08-01 22:48:16 +000054#include <serial.h>
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020055#ifdef CONFIG_SYS_ALLOC_DPRAM
Jon Loeligerf5ad3782005-07-23 10:37:35 -050056#if !defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +000057#include <commproc.h>
58#endif
wdenk541a76d2003-05-03 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 Denk1e0f07e2009-07-26 23:28:02 +020071#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
wdenk9c53f402003-10-15 23:53:47 +000072#include <asm/cache.h>
73#endif
wdenkb983fa22004-01-16 00:30:56 +000074#ifdef CONFIG_PS2KBD
75#include <keyboard.h>
76#endif
wdenkfe8c2802002-11-03 00:38:21 +000077
Kumar Gala9ac287a2008-12-16 14:59:20 -060078#ifdef CONFIG_ADDR_MAP
79#include <asm/mmu.h>
80#endif
81
Kumar Gala04a3b142009-03-31 17:58:13 -050082#ifdef CONFIG_MP
83#include <asm/mp.h>
84#endif
85
Luigi 'Comio' Mantellini01db1552009-10-10 12:42:21 +020086#ifdef CONFIG_BITBANGMII
87#include <miiphy.h>
88#endif
89
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020090#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
Heiko Schocher3ec43662006-12-21 17:17:02 +010091extern int update_flash_size (int flash_size);
92#endif
93
Wolfgang Denkd2a7a742007-06-08 10:24:58 +020094#if defined(CONFIG_SC3)
Heiko Schocher3c58a992007-01-11 15:44:44 +010095extern void sc3_read_eeprom(void);
96#endif
97
Jon Loeliger6b233052007-07-09 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 Warren7efe9272008-01-16 22:37:35 -0500105#include <spi.h>
Scott Woode898dfd2008-05-22 10:49:46 -0500106#include <nand.h>
wdenkfe8c2802002-11-03 00:38:21 +0000107
108static char *failed = "*** failed ***\n";
109
wdenk9c07bf62004-04-10 20:43:50 +0000110#if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
wdenkfe8c2802002-11-03 00:38:21 +0000111extern flash_info_t flash_info[];
wdenk9c07bf62004-04-10 20:43:50 +0000112#endif
wdenkfe8c2802002-11-03 00:38:21 +0000113
Heiko Schocher3c58a992007-01-11 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 Denk6405a152006-03-31 18:32:53 +0200118
Wolfgang Denkf4a70e42005-08-30 14:13:23 +0200119DECLARE_GLOBAL_DATA_PTR;
wdenkfe8c2802002-11-03 00:38:21 +0000120
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200121#if !defined(CONFIG_SYS_MEM_TOP_HIDE)
122#define CONFIG_SYS_MEM_TOP_HIDE 0
Stefan Roese3b423322008-03-27 10:24:03 +0100123#endif
124
wdenkb9a83a92003-05-30 12:48:29 +0000125extern ulong __init_end;
126extern ulong _end;
wdenkb9a83a92003-05-30 12:48:29 +0000127ulong monitor_flash_len;
128
Jon Loeliger6b233052007-07-09 18:02:11 -0500129#if defined(CONFIG_CMD_BEDBUG)
wdenk57b2d802003-06-27 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 Denk7fb52662005-10-13 16:45:02 +0200161 char tmp[64]; /* long enough for environment variables */
Wolfgang Denk76af2782010-07-24 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 Phillips0e3945c2007-08-16 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
Stefan Roese09554022005-11-30 13:06:40 +0100178
wdenkfe8c2802002-11-03 00:38:21 +0000179static int init_func_ram (void)
180{
wdenkfe8c2802002-11-03 00:38:21 +0000181#ifdef CONFIG_BOARD_TYPES
182 int board_type = gd->board_type;
183#else
184 int board_type = 0; /* use dummy arg */
185#endif
186 puts ("DRAM: ");
187
188 if ((gd->ram_size = initdram (board_type)) > 0) {
Stefan Roese09554022005-11-30 13:06:40 +0100189 print_size (gd->ram_size, "");
Stefan Roese09554022005-11-30 13:06:40 +0100190 board_add_ram_info(0);
Stefan Roese09554022005-11-30 13:06:40 +0100191 putc('\n');
wdenkfe8c2802002-11-03 00:38:21 +0000192 return (0);
193 }
194 puts (failed);
195 return (1);
196}
197
198/***********************************************************************/
199
200#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
201static int init_func_i2c (void)
202{
203 puts ("I2C: ");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200204 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
wdenkfe8c2802002-11-03 00:38:21 +0000205 puts ("ready\n");
206 return (0);
207}
208#endif
209
Ben Warren7efe9272008-01-16 22:37:35 -0500210#if defined(CONFIG_HARD_SPI)
211static int init_func_spi (void)
212{
213 puts ("SPI: ");
214 spi_init ();
215 puts ("ready\n");
216 return (0);
217}
218#endif
219
wdenkfe8c2802002-11-03 00:38:21 +0000220/***********************************************************************/
221
222#if defined(CONFIG_WATCHDOG)
223static int init_func_watchdog_init (void)
224{
225 puts (" Watchdog enabled\n");
226 WATCHDOG_RESET ();
227 return (0);
228}
229# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
230
231static int init_func_watchdog_reset (void)
232{
233 WATCHDOG_RESET ();
234 return (0);
235}
236# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
237#else
238# define INIT_FUNC_WATCHDOG_INIT /* undef */
239# define INIT_FUNC_WATCHDOG_RESET /* undef */
240#endif /* CONFIG_WATCHDOG */
241
242/************************************************************************
243 * Initialization sequence *
244 ************************************************************************
245 */
246
247init_fnc_t *init_sequence[] = {
Poonam Aggrwal4baef822009-07-31 12:08:14 +0530248#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
249 probecpu,
250#endif
Anton Vorontsov9522f572009-10-12 23:55:39 +0400251#if defined(CONFIG_BOARD_EARLY_INIT_F)
252 board_early_init_f,
253#endif
wdenk20bddb32004-09-28 17:59:53 +0000254#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkfe8c2802002-11-03 00:38:21 +0000255 get_clocks, /* get CPU and bus clocks (etc.) */
Markus Klotzbuecher13af9f02006-07-12 15:26:01 +0200256#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
257 && !defined(CONFIG_TQM885D)
wdenkc78bf132004-04-24 23:23:30 +0000258 adjust_sdram_tbs_8xx,
259#endif
wdenkfe8c2802002-11-03 00:38:21 +0000260 init_timebase,
wdenkb50cde52004-01-24 20:25:54 +0000261#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200262#ifdef CONFIG_SYS_ALLOC_DPRAM
Jon Loeligerf5ad3782005-07-23 10:37:35 -0500263#if !defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000264 dpram_init,
265#endif
wdenk541a76d2003-05-03 15:50:43 +0000266#endif
wdenkfe8c2802002-11-03 00:38:21 +0000267#if defined(CONFIG_BOARD_POSTCLK_INIT)
268 board_postclk_init,
269#endif
270 env_init,
wdenk20bddb32004-09-28 17:59:53 +0000271#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
wdenkb50cde52004-01-24 20:25:54 +0000272 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
273 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
274 init_timebase,
275#endif
wdenkfe8c2802002-11-03 00:38:21 +0000276 init_baudrate,
277 serial_init,
278 console_init_f,
279 display_options,
280#if defined(CONFIG_8260)
281 prt_8260_rsr,
282 prt_8260_clks,
283#endif /* CONFIG_8260 */
Peter Tyser62e73982009-05-22 17:23:24 -0500284#if defined(CONFIG_MPC83xx)
Dave Liuebd35f82007-06-25 10:41:56 +0800285 prt_83xx_rsr,
286#endif
wdenkfe8c2802002-11-03 00:38:21 +0000287 checkcpu,
wdenkbe9c1cb2004-02-24 02:00:03 +0000288#if defined(CONFIG_MPC5xxx)
wdenk21136db2003-07-16 21:53:01 +0000289 prt_mpc5xxx_clks,
wdenkbe9c1cb2004-02-24 02:00:03 +0000290#endif /* CONFIG_MPC5xxx */
wdenk337f5652004-10-28 00:09:35 +0000291#if defined(CONFIG_MPC8220)
292 prt_mpc8220_clks,
293#endif
wdenkfe8c2802002-11-03 00:38:21 +0000294 checkboard,
295 INIT_FUNC_WATCHDOG_INIT
wdenkda55c6e2004-01-20 23:12:12 +0000296#if defined(CONFIG_MISC_INIT_F)
wdenkfe8c2802002-11-03 00:38:21 +0000297 misc_init_f,
298#endif
299 INIT_FUNC_WATCHDOG_RESET
300#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
301 init_func_i2c,
302#endif
Ben Warren7efe9272008-01-16 22:37:35 -0500303#if defined(CONFIG_HARD_SPI)
304 init_func_spi,
305#endif
wdenkc08f1582003-04-27 22:52:51 +0000306#ifdef CONFIG_POST
307 post_init_f,
308#endif
wdenkfe8c2802002-11-03 00:38:21 +0000309 INIT_FUNC_WATCHDOG_RESET
310 init_func_ram,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200311#if defined(CONFIG_SYS_DRAM_TEST)
wdenkfe8c2802002-11-03 00:38:21 +0000312 testdram,
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200313#endif /* CONFIG_SYS_DRAM_TEST */
wdenkfe8c2802002-11-03 00:38:21 +0000314 INIT_FUNC_WATCHDOG_RESET
315
316 NULL, /* Terminate this list */
317};
318
Kumar Gala4c384542008-02-18 08:09:37 -0600319ulong get_effective_memsize(void)
320{
321#ifndef CONFIG_VERY_BIG_RAM
322 return gd->ram_size;
323#else
324 /* limit stack to what we can reasonable map */
325 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
326 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
327#endif
328}
329
wdenkfe8c2802002-11-03 00:38:21 +0000330/************************************************************************
331 *
332 * This is the first part of the initialization sequence that is
333 * implemented in C, but still running from ROM.
334 *
335 * The main purpose is to provide a (serial) console interface as
336 * soon as possible (so we can see any error messages), and to
337 * initialize the RAM so that we can relocate the monitor code to
338 * RAM.
339 *
340 * Be aware of the restrictions: global data is read-only, BSS is not
341 * initialized, and stack space is limited to a few kB.
342 *
343 ************************************************************************
344 */
345
Marian Balakowicz902ce702008-05-13 15:53:29 +0200346#ifdef CONFIG_LOGBUFFER
347unsigned long logbuffer_base(void)
348{
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200349 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
Marian Balakowicz902ce702008-05-13 15:53:29 +0200350}
351#endif
352
wdenkfe8c2802002-11-03 00:38:21 +0000353void board_init_f (ulong bootflag)
354{
wdenkfe8c2802002-11-03 00:38:21 +0000355 bd_t *bd;
356 ulong len, addr, addr_sp;
Wolfgang Denk3135c542005-08-26 01:36:03 +0200357 ulong *s;
wdenkfe8c2802002-11-03 00:38:21 +0000358 gd_t *id;
359 init_fnc_t **init_fnc_ptr;
360#ifdef CONFIG_PRAM
361 int i;
362 ulong reg;
363 uchar tmp[64]; /* long enough for environment variables */
364#endif
365
366 /* Pointer is writable since we allocated a register for it */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200367 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenk3337af42004-07-01 20:28:03 +0000368 /* compiler optimization barrier needed for GCC >= 3.4 */
369 __asm__ __volatile__("": : :"memory");
wdenkfe8c2802002-11-03 00:38:21 +0000370
Detlev Zundela2ea2762010-01-22 14:47:59 +0100371#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
372 !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
373 !defined(CONFIG_MPC86xx)
wdenkfe8c2802002-11-03 00:38:21 +0000374 /* Clear initial global data */
375 memset ((void *) gd, 0, sizeof (gd_t));
376#endif
377
378 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
379 if ((*init_fnc_ptr) () != 0) {
380 hang ();
381 }
382 }
383
384 /*
385 * Now that we have DRAM mapped and working, we can
386 * relocate the code and continue running from DRAM.
387 *
388 * Reserve memory at end of RAM for (top down in that order):
Stefan Roesea13709f2008-03-26 10:14:11 +0100389 * - area that won't get touched by U-Boot and Linux (optional)
wdenk57b2d802003-06-27 21:31:46 +0000390 * - kernel log buffer
wdenkfe8c2802002-11-03 00:38:21 +0000391 * - protected RAM
392 * - LCD framebuffer
393 * - monitor code
394 * - board info struct
395 */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200396 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
wdenkfe8c2802002-11-03 00:38:21 +0000397
Stefan Roesea13709f2008-03-26 10:14:11 +0100398 /*
399 * Subtract specified amount of memory to hide so that it won't
400 * get "touched" at all by U-Boot. By fixing up gd->ram_size
401 * the Linux kernel should now get passed the now "corrected"
402 * memory size and won't touch it either. This should work
403 * for arch/ppc and arch/powerpc. Only Linux board ports in
404 * arch/powerpc with bootwrapper support, that recalculate the
405 * memory size from the SDRAM controller setup will have to
406 * get fixed.
407 */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200408 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
Stefan Roesea13709f2008-03-26 10:14:11 +0100409
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200410 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
wdenkfe8c2802002-11-03 00:38:21 +0000411
Kumar Gala04a3b142009-03-31 17:58:13 -0500412#if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
413 /*
414 * We need to make sure the location we intend to put secondary core
415 * boot code is reserved and not used by any part of u-boot
Wolfgang Denke366f152009-04-05 00:27:57 +0200416 */
Kumar Gala04a3b142009-03-31 17:58:13 -0500417 if (addr > determine_mp_bootpg()) {
418 addr = determine_mp_bootpg();
419 debug ("Reserving MP boot page to %08lx\n", addr);
420 }
421#endif
422
wdenk9dfa8d12002-12-08 09:53:23 +0000423#ifdef CONFIG_LOGBUFFER
Yuri Tikhonovfe1d91b2008-02-06 18:48:36 +0100424#ifndef CONFIG_ALT_LB_ADDR
wdenk9dfa8d12002-12-08 09:53:23 +0000425 /* reserve kernel log buffer */
426 addr -= (LOGBUFF_RESERVE);
wdenk3086a972003-06-28 23:11:04 +0000427 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
wdenk9dfa8d12002-12-08 09:53:23 +0000428#endif
Yuri Tikhonovfe1d91b2008-02-06 18:48:36 +0100429#endif
wdenk9dfa8d12002-12-08 09:53:23 +0000430
wdenkfe8c2802002-11-03 00:38:21 +0000431#ifdef CONFIG_PRAM
432 /*
433 * reserve protected RAM
434 */
Wolfgang Denk76af2782010-07-24 21:55:43 +0200435 i = getenv_f("pram", (char *)tmp, sizeof (tmp));
Wolfgang Denk7fb52662005-10-13 16:45:02 +0200436 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
wdenkfe8c2802002-11-03 00:38:21 +0000437 addr -= (reg << 10); /* size is in kB */
wdenk3086a972003-06-28 23:11:04 +0000438 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000439#endif /* CONFIG_PRAM */
440
441 /* round down to next 4 kB limit */
442 addr &= ~(4096 - 1);
wdenk3086a972003-06-28 23:11:04 +0000443 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +0000444
445#ifdef CONFIG_LCD
446 /* reserve memory for LCD display (always full pages) */
447 addr = lcd_setmem (addr);
448 gd->fb_base = addr;
449#endif /* CONFIG_LCD */
450
451#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
452 /* reserve memory for video display (always full pages) */
453 addr = video_setmem (addr);
454 gd->fb_base = addr;
455#endif /* CONFIG_VIDEO */
456
457 /*
458 * reserve memory for U-Boot code, data & bss
wdenk4e112c12003-06-03 23:54:09 +0000459 * round down to next 4 kB limit
wdenkfe8c2802002-11-03 00:38:21 +0000460 */
461 addr -= len;
wdenk4e112c12003-06-03 23:54:09 +0000462 addr &= ~(4096 - 1);
Wolfgang Denk29dcbd42005-10-05 00:00:54 +0200463#ifdef CONFIG_E500
464 /* round down to next 64 kB limit so that IVPR stays aligned */
465 addr &= ~(65536 - 1);
466#endif
wdenkfe8c2802002-11-03 00:38:21 +0000467
wdenk3086a972003-06-28 23:11:04 +0000468 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
wdenkfe8c2802002-11-03 00:38:21 +0000469
470 /*
471 * reserve memory for malloc() arena
472 */
473 addr_sp = addr - TOTAL_MALLOC_LEN;
wdenk3086a972003-06-28 23:11:04 +0000474 debug ("Reserving %dk for malloc() at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000475 TOTAL_MALLOC_LEN >> 10, addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000476
477 /*
478 * (permanently) allocate a Board Info struct
479 * and a permanent copy of the "global" data
480 */
481 addr_sp -= sizeof (bd_t);
482 bd = (bd_t *) addr_sp;
483 gd->bd = bd;
Wolfgang Denk509cd072008-07-14 15:06:35 +0200484 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000485 sizeof (bd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000486 addr_sp -= sizeof (gd_t);
487 id = (gd_t *) addr_sp;
Wolfgang Denk509cd072008-07-14 15:06:35 +0200488 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
wdenkfe8c2802002-11-03 00:38:21 +0000489 sizeof (gd_t), addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000490
491 /*
492 * Finally, we set up a new (bigger) stack.
493 *
494 * Leave some safety gap for SP, force alignment on 16 byte boundary
495 * Clear initial stack frame
496 */
497 addr_sp -= 16;
498 addr_sp &= ~0xF;
Wolfgang Denk3135c542005-08-26 01:36:03 +0200499 s = (ulong *)addr_sp;
500 *s-- = 0;
501 *s-- = 0;
502 addr_sp = (ulong)s;
wdenk3086a972003-06-28 23:11:04 +0000503 debug ("Stack Pointer at: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000504
505 /*
506 * Save local variables to board info struct
507 */
508
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200509 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000510 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
511
Wolfgang Denkea9e0be2010-08-11 09:38:31 +0200512#ifdef CONFIG_SYS_SRAM_BASE
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200513 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
514 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
wdenkfe8c2802002-11-03 00:38:21 +0000515#else
Wolfgang Denkea9e0be2010-08-11 09:38:31 +0200516 bd->bi_sramstart = 0;
517 bd->bi_sramsize = 0;
wdenkfe8c2802002-11-03 00:38:21 +0000518#endif
519
wdenk9c53f402003-10-15 23:53:47 +0000520#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
Jon Loeliger5c8aa972006-04-26 17:58:56 -0500521 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200522 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
wdenkfe8c2802002-11-03 00:38:21 +0000523#endif
wdenkbe9c1cb2004-02-24 02:00:03 +0000524#if defined(CONFIG_MPC5xxx)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200525 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk337f5652004-10-28 00:09:35 +0000526#endif
Peter Tyser62e73982009-05-22 17:23:24 -0500527#if defined(CONFIG_MPC83xx)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200528 bd->bi_immrbar = CONFIG_SYS_IMMR;
Eran Liberty9095d4a2005-07-28 10:08:46 -0500529#endif
wdenk337f5652004-10-28 00:09:35 +0000530#if defined(CONFIG_MPC8220)
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200531 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
wdenk337f5652004-10-28 00:09:35 +0000532 bd->bi_inpfreq = gd->inp_clk;
533 bd->bi_pcifreq = gd->pci_clk;
534 bd->bi_vcofreq = gd->vco_clk;
535 bd->bi_pevfreq = gd->pev_clk;
536 bd->bi_flbfreq = gd->flb_clk;
537
Wolfgang Denk87b3d4b2006-11-30 18:02:20 +0100538 /* store bootparam to sram (backward compatible), here? */
539 {
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200540 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
Wolfgang Denk87b3d4b2006-11-30 18:02:20 +0100541 *sram++ = gd->ram_size;
542 *sram++ = gd->bus_clk;
543 *sram++ = gd->inp_clk;
544 *sram++ = gd->cpu_clk;
545 *sram++ = gd->vco_clk;
546 *sram++ = gd->flb_clk;
547 *sram++ = 0xb8c3ba11; /* boot signature */
548 }
wdenk21136db2003-07-16 21:53:01 +0000549#endif
wdenkfe8c2802002-11-03 00:38:21 +0000550
551 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
552
553 WATCHDOG_RESET ();
554 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
555 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
Jon Loeligerf5ad3782005-07-23 10:37:35 -0500556#if defined(CONFIG_CPM2)
wdenkfe8c2802002-11-03 00:38:21 +0000557 bd->bi_cpmfreq = gd->cpm_clk;
558 bd->bi_brgfreq = gd->brg_clk;
559 bd->bi_sccfreq = gd->scc_clk;
560 bd->bi_vco = gd->vco_out;
Jon Loeligerf5ad3782005-07-23 10:37:35 -0500561#endif /* CONFIG_CPM2 */
Grzegorz Bernackiaf554d82008-01-08 17:16:15 +0100562#if defined(CONFIG_MPC512X)
Grzegorz Bernacki21305af2008-01-11 12:03:43 +0100563 bd->bi_ipsfreq = gd->ips_clk;
Grzegorz Bernackiaf554d82008-01-08 17:16:15 +0100564#endif /* CONFIG_MPC512X */
wdenkbe9c1cb2004-02-24 02:00:03 +0000565#if defined(CONFIG_MPC5xxx)
wdenk21136db2003-07-16 21:53:01 +0000566 bd->bi_ipbfreq = gd->ipb_clk;
567 bd->bi_pcifreq = gd->pci_clk;
wdenkbe9c1cb2004-02-24 02:00:03 +0000568#endif /* CONFIG_MPC5xxx */
wdenkfe8c2802002-11-03 00:38:21 +0000569 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
570
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200571#ifdef CONFIG_SYS_EXTBDINFO
Wolfgang Denk7fb52662005-10-13 16:45:02 +0200572 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
573 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
wdenkfe8c2802002-11-03 00:38:21 +0000574
575 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
576 bd->bi_plb_busfreq = gd->bus_clk;
Stefan Roesee9a816c2007-05-11 12:01:06 +0200577#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
578 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
579 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
wdenkfe8c2802002-11-03 00:38:21 +0000580 bd->bi_pci_busfreq = get_PCI_freq ();
wdenkf16b5162004-03-23 21:43:07 +0000581 bd->bi_opbfreq = get_OPB_freq ();
Michal Simek594c7b52008-06-24 09:54:09 +0200582#elif defined(CONFIG_XILINX_405)
wdenke537b3b2004-02-23 23:54:43 +0000583 bd->bi_pci_busfreq = get_PCI_freq ();
wdenkfe8c2802002-11-03 00:38:21 +0000584#endif
585#endif
586
wdenk3086a972003-06-28 23:11:04 +0000587 debug ("New Stack Pointer is: %08lx\n", addr_sp);
wdenkfe8c2802002-11-03 00:38:21 +0000588
589 WATCHDOG_RESET ();
590
591#ifdef CONFIG_POST
592 post_bootmode_init();
wdenkca9bc762003-07-15 07:45:49 +0000593 post_run (NULL, POST_ROM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +0000594#endif
595
596 WATCHDOG_RESET();
597
Richard Retanubun92bc2632010-01-15 10:06:06 -0500598 gd->relocaddr = addr; /* Record relocation address, useful for debug */
599
wdenk874ac262003-07-24 23:38:38 +0000600 memcpy (id, (void *)gd, sizeof (gd_t));
wdenkfe8c2802002-11-03 00:38:21 +0000601
602 relocate_code (addr_sp, id, addr);
603
604 /* NOTREACHED - relocate_code() does not return */
605}
Jason Jin13bd9e52008-10-10 11:41:01 +0800606
wdenkfe8c2802002-11-03 00:38:21 +0000607/************************************************************************
608 *
609 * This is the next part if the initialization sequence: we are now
610 * running from RAM and have a "normal" C environment, i. e. global
611 * data can be written, BSS has been cleared, the stack size in not
612 * that critical any more, etc.
613 *
614 ************************************************************************
615 */
wdenkfe8c2802002-11-03 00:38:21 +0000616void board_init_r (gd_t *id, ulong dest_addr)
617{
Stefan Roese928a7c82009-02-23 16:52:36 +0100618 char *s;
wdenkfe8c2802002-11-03 00:38:21 +0000619 bd_t *bd;
Peter Tysered527702009-08-21 23:05:20 -0500620 ulong malloc_start;
wdenkfe8c2802002-11-03 00:38:21 +0000621
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200622#ifndef CONFIG_SYS_NO_FLASH
wdenkfe8c2802002-11-03 00:38:21 +0000623 ulong flash_size;
624#endif
625
626 gd = id; /* initialize RAM version of global data */
627 bd = gd->bd;
628
629 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Grant Likely22e05842007-07-03 00:34:19 -0600630
Peter Tyser781c9b82009-08-21 23:05:21 -0500631 /* The Malloc area is immediately below the monitor copy in DRAM */
Peter Tysered527702009-08-21 23:05:20 -0500632 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
Kumar Gala87e43422009-09-01 21:07:08 -0500633
Peter Tysera95e6732009-12-15 12:10:47 -0600634#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
635 /*
636 * The gd->cpu pointer is set to an address in flash before relocation.
637 * We need to update it to point to the same CPU entry in RAM.
638 */
639 gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
640#endif
641
Marian Balakowiczb55b60e2006-06-30 15:27:09 +0200642#ifdef CONFIG_SERIAL_MULTI
643 serial_initialize();
644#endif
wdenkfe8c2802002-11-03 00:38:21 +0000645
wdenk3086a972003-06-28 23:11:04 +0000646 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000647
648 WATCHDOG_RESET ();
649
Becky Bruce2f79edd2008-10-31 17:14:39 -0500650 /*
651 * Setup trap handlers
652 */
653 trap_init (dest_addr);
654
Becky Brucef93e1cb2009-02-03 18:10:52 -0600655#ifdef CONFIG_ADDR_MAP
Kumar Gala9ac287a2008-12-16 14:59:20 -0600656 init_addr_map();
657#endif
658
wdenkda55c6e2004-01-20 23:12:12 +0000659#if defined(CONFIG_BOARD_EARLY_INIT_R)
660 board_early_init_r ();
661#endif
662
wdenkb9a83a92003-05-30 12:48:29 +0000663 monitor_flash_len = (ulong)&__init_end - dest_addr;
wdenkfe8c2802002-11-03 00:38:21 +0000664
wdenkfe8c2802002-11-03 00:38:21 +0000665 WATCHDOG_RESET ();
666
wdenk56f94be2002-11-05 16:35:14 +0000667#ifdef CONFIG_LOGBUFFER
wdenk9dfa8d12002-12-08 09:53:23 +0000668 logbuff_init_ptrs ();
wdenk56f94be2002-11-05 16:35:14 +0000669#endif
wdenkfe8c2802002-11-03 00:38:21 +0000670#ifdef CONFIG_POST
wdenk9dfa8d12002-12-08 09:53:23 +0000671 post_output_backlog ();
wdenkfe8c2802002-11-03 00:38:21 +0000672#endif
673
674 WATCHDOG_RESET();
675
Kim Phillipsf3c7cd92010-04-20 19:37:54 -0500676#if defined(CONFIG_SYS_DELAYED_ICACHE)
wdenkfe8c2802002-11-03 00:38:21 +0000677 icache_enable (); /* it's time to enable the instruction cache */
678#endif
679
Wolfgang Denk1e0f07e2009-07-26 23:28:02 +0200680#if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
681 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
wdenk9c53f402003-10-15 23:53:47 +0000682#endif
683
wdenkef5fe752003-03-12 10:41:04 +0000684#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
wdenkfe8c2802002-11-03 00:38:21 +0000685 /*
wdenkef5fe752003-03-12 10:41:04 +0000686 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
687 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
688 * bridge there.
wdenkfe8c2802002-11-03 00:38:21 +0000689 */
690 pci_init ();
wdenkef5fe752003-03-12 10:41:04 +0000691#endif
692#if defined(CONFIG_BAB7xx)
wdenkfe8c2802002-11-03 00:38:21 +0000693 /*
694 * Initialise the ISA bridge
695 */
696 initialise_w83c553f ();
697#endif
698
699 asm ("sync ; isync");
700
Peter Tysered527702009-08-21 23:05:20 -0500701 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
Stefan Roeseb81464e2009-05-11 15:50:12 +0200702
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200703#if !defined(CONFIG_SYS_NO_FLASH)
wdenkfe8c2802002-11-03 00:38:21 +0000704 puts ("FLASH: ");
705
706 if ((flash_size = flash_init ()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200707# ifdef CONFIG_SYS_FLASH_CHECKSUM
wdenkfe8c2802002-11-03 00:38:21 +0000708 print_size (flash_size, "");
709 /*
710 * Compute and print flash CRC if flashchecksum is set to 'y'
711 *
712 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
713 */
714 s = getenv ("flashchecksum");
715 if (s && (*s == 'y')) {
Wolfgang Denk8d541882008-07-10 13:16:09 +0200716 printf (" CRC: %08X",
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200717 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
wdenka09491a2004-04-08 22:31:29 +0000718 );
wdenkfe8c2802002-11-03 00:38:21 +0000719 }
720 putc ('\n');
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200721# else /* !CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000722 print_size (flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200723# endif /* CONFIG_SYS_FLASH_CHECKSUM */
wdenkfe8c2802002-11-03 00:38:21 +0000724 } else {
725 puts (failed);
726 hang ();
727 }
728
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200729 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
wdenkfe8c2802002-11-03 00:38:21 +0000730 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Heiko Schocher3ec43662006-12-21 17:17:02 +0100731
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200732#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
Heiko Schocher3ec43662006-12-21 17:17:02 +0100733 /* Make a update of the Memctrl. */
734 update_flash_size (flash_size);
735#endif
736
737
wdenka09491a2004-04-08 22:31:29 +0000738# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
739 /* flash mapped at end of memory map */
740 bd->bi_flashoffset = TEXT_BASE + flash_size;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200741# elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
wdenkb9a83a92003-05-30 12:48:29 +0000742 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
wdenk84650f52003-08-30 00:05:50 +0000743# else
wdenkfe8c2802002-11-03 00:38:21 +0000744 bd->bi_flashoffset = 0;
wdenk84650f52003-08-30 00:05:50 +0000745# endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200746#else /* CONFIG_SYS_NO_FLASH */
wdenkfe8c2802002-11-03 00:38:21 +0000747
748 bd->bi_flashsize = 0;
749 bd->bi_flashstart = 0;
750 bd->bi_flashoffset = 0;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200751#endif /* !CONFIG_SYS_NO_FLASH */
wdenkfe8c2802002-11-03 00:38:21 +0000752
753 WATCHDOG_RESET ();
754
755 /* initialize higher level parts of CPU like time base and timers */
756 cpu_init_r ();
757
758 WATCHDOG_RESET ();
759
wdenkfe8c2802002-11-03 00:38:21 +0000760#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDe46af642008-09-05 09:19:30 +0200761# if !defined(CONFIG_ENV_IS_IN_EEPROM)
wdenkfe8c2802002-11-03 00:38:21 +0000762 spi_init_f ();
763# endif
764 spi_init_r ();
765#endif
766
Jon Loeliger6b233052007-07-09 18:02:11 -0500767#if defined(CONFIG_CMD_NAND)
Stefan Roese42fbddd2006-09-07 11:51:23 +0200768 WATCHDOG_RESET ();
769 puts ("NAND: ");
770 nand_init(); /* go init the NAND */
771#endif
772
Terry Lvb4eceac2010-05-17 10:57:01 +0800773#ifdef CONFIG_GENERIC_MMC
774/*
775 * MMC initialization is called before relocating env.
776 * Thus It is required that operations like pin multiplexer
777 * be put in board_init.
778 */
779 WATCHDOG_RESET ();
780 puts ("MMC: ");
781 mmc_initialize (bd);
782#endif
783
wdenkfe8c2802002-11-03 00:38:21 +0000784 /* relocate environment function pointers etc. */
785 env_relocate ();
786
787 /*
788 * Fill in missing fields of bd_info.
wdenk57b2d802003-06-27 21:31:46 +0000789 * We do this here, where we have "normal" access to the
790 * environment; we used to do this still running from ROM,
Wolfgang Denk76af2782010-07-24 21:55:43 +0200791 * where had to use getenv_f(), which can be pretty slow when
wdenk57b2d802003-06-27 21:31:46 +0000792 * the environment is in EEPROM.
wdenkfe8c2802002-11-03 00:38:21 +0000793 */
wdenk78924a72004-04-18 21:45:42 +0000794
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200795#if defined(CONFIG_SYS_EXTBDINFO)
wdenk78924a72004-04-18 21:45:42 +0000796#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
797#if defined(CONFIG_I2CFAST)
798 /*
799 * set bi_iic_fast for linux taking environment variable
800 * "i2cfast" into account
801 */
802 {
803 char *s = getenv ("i2cfast");
804 if (s && ((*s == 'y') || (*s == 'Y'))) {
805 bd->bi_iic_fast[0] = 1;
806 bd->bi_iic_fast[1] = 1;
807 } else {
808 bd->bi_iic_fast[0] = 0;
809 bd->bi_iic_fast[1] = 0;
810 }
811 }
812#else
813 bd->bi_iic_fast[0] = 0;
814 bd->bi_iic_fast[1] = 0;
815#endif /* CONFIG_I2CFAST */
816#endif /* CONFIG_405GP, CONFIG_405EP */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200817#endif /* CONFIG_SYS_EXTBDINFO */
wdenk78924a72004-04-18 21:45:42 +0000818
Wolfgang Denkd2a7a742007-06-08 10:24:58 +0200819#if defined(CONFIG_SC3)
Heiko Schocher3c58a992007-01-11 15:44:44 +0100820 sc3_read_eeprom();
821#endif
Haiying Wang34cf9592008-01-16 17:12:12 -0500822
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200823#if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
Haiying Wang34cf9592008-01-16 17:12:12 -0500824 mac_read_from_eeprom();
825#endif
826
wdenkfe8c2802002-11-03 00:38:21 +0000827#ifdef CONFIG_HERMES
828 if ((gd->board_type >> 16) == 2)
829 bd->bi_ethspeed = gd->board_type & 0xFFFF;
830 else
831 bd->bi_ethspeed = 0xFFFF;
832#endif
833
Stefan Roese29089432009-02-25 12:11:15 +0100834#ifdef CONFIG_CMD_NET
Mike Frysinger26250482009-02-11 20:07:19 -0500835 /* kept around for legacy kernels only ... ignore the next section */
836 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
wdenk54070ab2004-12-31 09:32:47 +0000837#ifdef CONFIG_HAS_ETH1
Mike Frysinger26250482009-02-11 20:07:19 -0500838 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
wdenkfe8c2802002-11-03 00:38:21 +0000839#endif
wdenk54070ab2004-12-31 09:32:47 +0000840#ifdef CONFIG_HAS_ETH2
Mike Frysinger26250482009-02-11 20:07:19 -0500841 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
wdenkfe8c2802002-11-03 00:38:21 +0000842#endif
wdenk54070ab2004-12-31 09:32:47 +0000843#ifdef CONFIG_HAS_ETH3
Mike Frysinger26250482009-02-11 20:07:19 -0500844 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
wdenk544e9732004-02-06 23:19:44 +0000845#endif
richardretanubune5167f12008-09-29 18:28:23 -0400846#ifdef CONFIG_HAS_ETH4
Mike Frysinger26250482009-02-11 20:07:19 -0500847 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
richardretanubune5167f12008-09-29 18:28:23 -0400848#endif
richardretanubune5167f12008-09-29 18:28:23 -0400849#ifdef CONFIG_HAS_ETH5
Mike Frysinger26250482009-02-11 20:07:19 -0500850 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
richardretanubune5167f12008-09-29 18:28:23 -0400851#endif
Stefan Roese29089432009-02-25 12:11:15 +0100852#endif /* CONFIG_CMD_NET */
richardretanubune5167f12008-09-29 18:28:23 -0400853
wdenkfe8c2802002-11-03 00:38:21 +0000854 /* IP Address */
855 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
856
857 WATCHDOG_RESET ();
858
wdenkf8c590b2004-06-01 21:08:17 +0000859#if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
wdenkfe8c2802002-11-03 00:38:21 +0000860 /*
861 * Do pci configuration
862 */
863 pci_init ();
864#endif
865
866/** leave this here (after malloc(), environment and PCI are working) **/
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200867 /* Initialize stdio devices */
868 stdio_init ();
wdenkfe8c2802002-11-03 00:38:21 +0000869
wdenk874ac262003-07-24 23:38:38 +0000870 /* Initialize the jump table for applications */
871 jumptable_init ();
wdenkfe8c2802002-11-03 00:38:21 +0000872
Rafal Jaworowskia19be782008-01-09 19:39:36 +0100873#if defined(CONFIG_API)
874 /* Initialize API */
875 api_init ();
876#endif
877
wdenkfe8c2802002-11-03 00:38:21 +0000878 /* Initialize the console (after the relocation and devices init) */
879 console_init_r ();
wdenkfe8c2802002-11-03 00:38:21 +0000880
Peter Tyser5c506212009-09-16 22:03:07 -0500881#if defined(CONFIG_MISC_INIT_R)
wdenkfe8c2802002-11-03 00:38:21 +0000882 /* miscellaneous platform dependent initialisations */
883 misc_init_r ();
884#endif
885
886#ifdef CONFIG_HERMES
887 if (bd->bi_ethspeed != 0xFFFF)
888 hermes_start_lxt980 ((int) bd->bi_ethspeed);
889#endif
890
Jon Loeliger6b233052007-07-09 18:02:11 -0500891#if defined(CONFIG_CMD_KGDB)
wdenkfe8c2802002-11-03 00:38:21 +0000892 WATCHDOG_RESET ();
893 puts ("KGDB: ");
894 kgdb_init ();
895#endif
896
wdenk3086a972003-06-28 23:11:04 +0000897 debug ("U-Boot relocated to %08lx\n", dest_addr);
wdenkfe8c2802002-11-03 00:38:21 +0000898
899 /*
900 * Enable Interrupts
901 */
902 interrupt_init ();
903
Heiko Schocher633e03a2007-06-22 19:11:54 +0200904#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
wdenkfe8c2802002-11-03 00:38:21 +0000905 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
906#endif
907
908 udelay (20);
909
910 set_timer (0);
911
wdenkfe8c2802002-11-03 00:38:21 +0000912 /* Initialize from environment */
913 if ((s = getenv ("loadaddr")) != NULL) {
914 load_addr = simple_strtoul (s, NULL, 16);
915 }
Jon Loeliger6b233052007-07-09 18:02:11 -0500916#if defined(CONFIG_CMD_NET)
wdenkfe8c2802002-11-03 00:38:21 +0000917 if ((s = getenv ("bootfile")) != NULL) {
918 copy_filename (BootFile, s, sizeof (BootFile));
919 }
Jon Loeliger1670a5b2007-07-10 11:19:50 -0500920#endif
wdenkfe8c2802002-11-03 00:38:21 +0000921
922 WATCHDOG_RESET ();
923
Heiko Schocher24e6ce52009-02-25 12:28:32 +0100924#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
925 dtt_init ();
926#endif
Jon Loeliger6b233052007-07-09 18:02:11 -0500927#if defined(CONFIG_CMD_SCSI)
wdenkfe8c2802002-11-03 00:38:21 +0000928 WATCHDOG_RESET ();
929 puts ("SCSI: ");
930 scsi_init ();
931#endif
932
Jon Loeliger6b233052007-07-09 18:02:11 -0500933#if defined(CONFIG_CMD_DOC)
wdenkfe8c2802002-11-03 00:38:21 +0000934 WATCHDOG_RESET ();
935 puts ("DOC: ");
936 doc_init ();
937#endif
938
Luigi 'Comio' Mantellini01db1552009-10-10 12:42:21 +0200939#ifdef CONFIG_BITBANGMII
940 bb_miiphy_init();
941#endif
Jon Loeliger6b233052007-07-09 18:02:11 -0500942#if defined(CONFIG_CMD_NET)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200943#if defined(CONFIG_NET_MULTI)
wdenkfe8c2802002-11-03 00:38:21 +0000944 WATCHDOG_RESET ();
945 puts ("Net: ");
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200946#endif
wdenkfe8c2802002-11-03 00:38:21 +0000947 eth_initialize (bd);
948#endif
949
Peter Tyserd3d9a502009-09-16 22:03:08 -0500950#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200951 WATCHDOG_RESET ();
952 debug ("Reset Ethernet PHY\n");
953 reset_phy ();
954#endif
955
wdenkfe8c2802002-11-03 00:38:21 +0000956#ifdef CONFIG_POST
wdenkca9bc762003-07-15 07:45:49 +0000957 post_run (NULL, POST_RAM | post_bootmode_get(0));
wdenkfe8c2802002-11-03 00:38:21 +0000958#endif
959
Jon Loeliger6b233052007-07-09 18:02:11 -0500960#if defined(CONFIG_CMD_PCMCIA) \
961 && !defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +0000962 WATCHDOG_RESET ();
963 puts ("PCMCIA:");
964 pcmcia_init ();
965#endif
966
Jon Loeliger6b233052007-07-09 18:02:11 -0500967#if defined(CONFIG_CMD_IDE)
wdenkfe8c2802002-11-03 00:38:21 +0000968 WATCHDOG_RESET ();
969# ifdef CONFIG_IDE_8xx_PCCARD
970 puts ("PCMCIA:");
971# else
972 puts ("IDE: ");
973#endif
Heiko Schocher3c58a992007-01-11 15:44:44 +0100974#if defined(CONFIG_START_IDE)
975 if (board_start_ide())
976 ide_init ();
977#else
wdenkfe8c2802002-11-03 00:38:21 +0000978 ide_init ();
Heiko Schocher3c58a992007-01-11 15:44:44 +0100979#endif
Jon Loeliger1670a5b2007-07-10 11:19:50 -0500980#endif
wdenkfe8c2802002-11-03 00:38:21 +0000981
982#ifdef CONFIG_LAST_STAGE_INIT
983 WATCHDOG_RESET ();
984 /*
985 * Some parts can be only initialized if all others (like
986 * Interrupts) are up and running (i.e. the PC-style ISA
987 * keyboard).
988 */
989 last_stage_init ();
990#endif
991
Jon Loeliger6b233052007-07-09 18:02:11 -0500992#if defined(CONFIG_CMD_BEDBUG)
wdenkfe8c2802002-11-03 00:38:21 +0000993 WATCHDOG_RESET ();
994 bedbug_init ();
995#endif
996
wdenk9dfa8d12002-12-08 09:53:23 +0000997#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
wdenkfe8c2802002-11-03 00:38:21 +0000998 /*
999 * Export available size of memory for Linux,
1000 * taking into account the protected RAM at top of memory
1001 */
1002 {
1003 ulong pram;
wdenkfe8c2802002-11-03 00:38:21 +00001004 uchar memsz[32];
wdenk9dfa8d12002-12-08 09:53:23 +00001005#ifdef CONFIG_PRAM
1006 char *s;
wdenkfe8c2802002-11-03 00:38:21 +00001007
1008 if ((s = getenv ("pram")) != NULL) {
1009 pram = simple_strtoul (s, NULL, 10);
1010 } else {
1011 pram = CONFIG_PRAM;
1012 }
wdenk9dfa8d12002-12-08 09:53:23 +00001013#else
1014 pram=0;
1015#endif
1016#ifdef CONFIG_LOGBUFFER
Yuri Tikhonovfe1d91b2008-02-06 18:48:36 +01001017#ifndef CONFIG_ALT_LB_ADDR
wdenk9dfa8d12002-12-08 09:53:23 +00001018 /* Also take the logbuffer into account (pram is in kB) */
1019 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1020#endif
Yuri Tikhonovfe1d91b2008-02-06 18:48:36 +01001021#endif
Wolfgang Denk7fb52662005-10-13 16:45:02 +02001022 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1023 setenv ("mem", (char *)memsz);
wdenkfe8c2802002-11-03 00:38:21 +00001024 }
1025#endif
1026
wdenkb983fa22004-01-16 00:30:56 +00001027#ifdef CONFIG_PS2KBD
1028 puts ("PS/2: ");
1029 kbd_init();
1030#endif
1031
wdenkc08f1582003-04-27 22:52:51 +00001032#ifdef CONFIG_MODEM_SUPPORT
1033 {
1034 extern int do_mdm_init;
1035 do_mdm_init = gd->do_mdm_init;
1036 }
1037#endif
1038
wdenkfe8c2802002-11-03 00:38:21 +00001039 /* Initialization complete - start the monitor */
1040
1041 /* main_loop() can return to retry autoboot, if so just run it again. */
1042 for (;;) {
1043 WATCHDOG_RESET ();
1044 main_loop ();
1045 }
1046
1047 /* NOTREACHED - no way out of command loop except booting */
1048}
1049
1050void hang (void)
1051{
1052 puts ("### ERROR ### Please RESET the board ###\n");
wdenke97d3d92004-02-23 22:22:28 +00001053 show_boot_progress(-30);
wdenkfe8c2802002-11-03 00:38:21 +00001054 for (;;);
1055}
1056
wdenkc08f1582003-04-27 22:52:51 +00001057
wdenkfe8c2802002-11-03 00:38:21 +00001058#if 0 /* We could use plain global data, but the resulting code is bigger */
1059/*
1060 * Pointer to initial global data area
1061 *
1062 * Here we initialize it.
1063 */
1064#undef XTRN_DECLARE_GLOBAL_DATA_PTR
1065#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +02001066DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
wdenkfe8c2802002-11-03 00:38:21 +00001067#endif /* 0 */
1068
1069/************************************************************************/