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[people/ms/u-boot.git] / lib_ppc / board.c
1 /*
2 * (C) Copyright 2000-2006
3 * 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>
29 #ifdef CONFIG_8xx
30 #include <mpc8xx.h>
31 #endif
32 #ifdef CONFIG_5xx
33 #include <mpc5xx.h>
34 #endif
35 #ifdef CONFIG_MPC5xxx
36 #include <mpc5xxx.h>
37 #endif
38 #if defined(CONFIG_CMD_IDE)
39 #include <ide.h>
40 #endif
41 #if defined(CONFIG_CMD_SCSI)
42 #include <scsi.h>
43 #endif
44 #if defined(CONFIG_CMD_KGDB)
45 #include <kgdb.h>
46 #endif
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
49 #endif
50 #include <net.h>
51 #include <serial.h>
52 #ifdef CFG_ALLOC_DPRAM
53 #if !defined(CONFIG_CPM2)
54 #include <commproc.h>
55 #endif
56 #endif
57 #include <version.h>
58 #if defined(CONFIG_BAB7xx)
59 #include <w83c553f.h>
60 #endif
61 #include <dtt.h>
62 #if defined(CONFIG_POST)
63 #include <post.h>
64 #endif
65 #if defined(CONFIG_LOGBUFFER)
66 #include <logbuff.h>
67 #endif
68 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
69 #include <asm/cache.h>
70 #endif
71 #ifdef CONFIG_PS2KBD
72 #include <keyboard.h>
73 #endif
74
75 #ifdef CFG_UPDATE_FLASH_SIZE
76 extern int update_flash_size (int flash_size);
77 #endif
78
79 #if defined(CONFIG_SC3)
80 extern void sc3_read_eeprom(void);
81 #endif
82
83 #if defined(CONFIG_CMD_DOC)
84 void doc_init (void);
85 #endif
86 #if defined(CONFIG_HARD_I2C) || \
87 defined(CONFIG_SOFT_I2C)
88 #include <i2c.h>
89 #endif
90 #if defined(CONFIG_CMD_NAND)
91 void nand_init (void);
92 #endif
93
94 static char *failed = "*** failed ***\n";
95
96 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
97 extern flash_info_t flash_info[];
98 #endif
99
100 #if defined(CONFIG_START_IDE)
101 extern int board_start_ide(void);
102 #endif
103 #include <environment.h>
104
105 DECLARE_GLOBAL_DATA_PTR;
106
107 #if defined(CFG_ENV_IS_EMBEDDED)
108 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
109 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
110 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
111 defined(CFG_ENV_IS_IN_NVRAM)
112 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
113 #else
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
115 #endif
116
117 extern ulong __init_end;
118 extern ulong _end;
119 ulong monitor_flash_len;
120
121 #if defined(CONFIG_CMD_BEDBUG)
122 #include <bedbug/type.h>
123 #endif
124
125 /*
126 * Begin and End of memory area for malloc(), and current "brk"
127 */
128 static ulong mem_malloc_start = 0;
129 static ulong mem_malloc_end = 0;
130 static ulong mem_malloc_brk = 0;
131
132 /************************************************************************
133 * Utilities *
134 ************************************************************************
135 */
136
137 /*
138 * The Malloc area is immediately below the monitor copy in DRAM
139 */
140 static void mem_malloc_init (void)
141 {
142 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
143 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
144 #endif
145 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
146 mem_malloc_brk = mem_malloc_start;
147
148 memset ((void *) mem_malloc_start,
149 0,
150 mem_malloc_end - mem_malloc_start);
151 }
152
153 void *sbrk (ptrdiff_t increment)
154 {
155 ulong old = mem_malloc_brk;
156 ulong new = old + increment;
157
158 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
159 return (NULL);
160 }
161 mem_malloc_brk = new;
162 return ((void *) old);
163 }
164
165 char *strmhz (char *buf, long hz)
166 {
167 long l, n;
168 long m;
169
170 n = hz / 1000000L;
171 l = sprintf (buf, "%ld", n);
172 m = (hz % 1000000L) / 1000L;
173 if (m != 0)
174 sprintf (buf + l, ".%03ld", m);
175 return (buf);
176 }
177
178 /*
179 * All attempts to come up with a "common" initialization sequence
180 * that works for all boards and architectures failed: some of the
181 * requirements are just _too_ different. To get rid of the resulting
182 * mess of board dependend #ifdef'ed code we now make the whole
183 * initialization sequence configurable to the user.
184 *
185 * The requirements for any new initalization function is simple: it
186 * receives a pointer to the "global data" structure as it's only
187 * argument, and returns an integer return code, where 0 means
188 * "continue" and != 0 means "fatal error, hang the system".
189 */
190 typedef int (init_fnc_t) (void);
191
192 /************************************************************************
193 * Init Utilities *
194 ************************************************************************
195 * Some of this code should be moved into the core functions,
196 * but let's get it working (again) first...
197 */
198
199 static int init_baudrate (void)
200 {
201 char tmp[64]; /* long enough for environment variables */
202 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
203
204 gd->baudrate = (i > 0)
205 ? (int) simple_strtoul (tmp, NULL, 10)
206 : CONFIG_BAUDRATE;
207 return (0);
208 }
209
210 /***********************************************************************/
211
212 #ifdef CONFIG_ADD_RAM_INFO
213 void board_add_ram_info(int);
214 #endif
215
216 static int init_func_ram (void)
217 {
218 #ifdef CONFIG_BOARD_TYPES
219 int board_type = gd->board_type;
220 #else
221 int board_type = 0; /* use dummy arg */
222 #endif
223 puts ("DRAM: ");
224
225 if ((gd->ram_size = initdram (board_type)) > 0) {
226 print_size (gd->ram_size, "");
227 #ifdef CONFIG_ADD_RAM_INFO
228 board_add_ram_info(0);
229 #endif
230 putc('\n');
231 return (0);
232 }
233 puts (failed);
234 return (1);
235 }
236
237 /***********************************************************************/
238
239 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
240 static int init_func_i2c (void)
241 {
242 puts ("I2C: ");
243 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
244 puts ("ready\n");
245 return (0);
246 }
247 #endif
248
249 /***********************************************************************/
250
251 #if defined(CONFIG_WATCHDOG)
252 static int init_func_watchdog_init (void)
253 {
254 puts (" Watchdog enabled\n");
255 WATCHDOG_RESET ();
256 return (0);
257 }
258 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
259
260 static int init_func_watchdog_reset (void)
261 {
262 WATCHDOG_RESET ();
263 return (0);
264 }
265 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
266 #else
267 # define INIT_FUNC_WATCHDOG_INIT /* undef */
268 # define INIT_FUNC_WATCHDOG_RESET /* undef */
269 #endif /* CONFIG_WATCHDOG */
270
271 /************************************************************************
272 * Initialization sequence *
273 ************************************************************************
274 */
275
276 init_fnc_t *init_sequence[] = {
277
278 #if defined(CONFIG_BOARD_EARLY_INIT_F)
279 board_early_init_f,
280 #endif
281
282 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
283 get_clocks, /* get CPU and bus clocks (etc.) */
284 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
285 && !defined(CONFIG_TQM885D)
286 adjust_sdram_tbs_8xx,
287 #endif
288 init_timebase,
289 #endif
290 #ifdef CFG_ALLOC_DPRAM
291 #if !defined(CONFIG_CPM2)
292 dpram_init,
293 #endif
294 #endif
295 #if defined(CONFIG_BOARD_POSTCLK_INIT)
296 board_postclk_init,
297 #endif
298 env_init,
299 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
300 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
301 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
302 init_timebase,
303 #endif
304 init_baudrate,
305 serial_init,
306 console_init_f,
307 display_options,
308 #if defined(CONFIG_8260)
309 prt_8260_rsr,
310 prt_8260_clks,
311 #endif /* CONFIG_8260 */
312 #if defined(CONFIG_MPC83XX)
313 prt_83xx_rsr,
314 #endif
315 checkcpu,
316 #if defined(CONFIG_MPC5xxx)
317 prt_mpc5xxx_clks,
318 #endif /* CONFIG_MPC5xxx */
319 #if defined(CONFIG_MPC8220)
320 prt_mpc8220_clks,
321 #endif
322 checkboard,
323 INIT_FUNC_WATCHDOG_INIT
324 #if defined(CONFIG_MISC_INIT_F)
325 misc_init_f,
326 #endif
327 INIT_FUNC_WATCHDOG_RESET
328 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
329 init_func_i2c,
330 #endif
331 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
332 dtt_init,
333 #endif
334 #ifdef CONFIG_POST
335 post_init_f,
336 #endif
337 INIT_FUNC_WATCHDOG_RESET
338 init_func_ram,
339 #if defined(CFG_DRAM_TEST)
340 testdram,
341 #endif /* CFG_DRAM_TEST */
342 INIT_FUNC_WATCHDOG_RESET
343
344 NULL, /* Terminate this list */
345 };
346
347 /************************************************************************
348 *
349 * This is the first part of the initialization sequence that is
350 * implemented in C, but still running from ROM.
351 *
352 * The main purpose is to provide a (serial) console interface as
353 * soon as possible (so we can see any error messages), and to
354 * initialize the RAM so that we can relocate the monitor code to
355 * RAM.
356 *
357 * Be aware of the restrictions: global data is read-only, BSS is not
358 * initialized, and stack space is limited to a few kB.
359 *
360 ************************************************************************
361 */
362
363 void board_init_f (ulong bootflag)
364 {
365 bd_t *bd;
366 ulong len, addr, addr_sp;
367 ulong *s;
368 gd_t *id;
369 init_fnc_t **init_fnc_ptr;
370 #ifdef CONFIG_PRAM
371 int i;
372 ulong reg;
373 uchar tmp[64]; /* long enough for environment variables */
374 #endif
375
376 /* Pointer is writable since we allocated a register for it */
377 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
378 /* compiler optimization barrier needed for GCC >= 3.4 */
379 __asm__ __volatile__("": : :"memory");
380
381 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
382 /* Clear initial global data */
383 memset ((void *) gd, 0, sizeof (gd_t));
384 #endif
385
386 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
387 if ((*init_fnc_ptr) () != 0) {
388 hang ();
389 }
390 }
391
392 /*
393 * Now that we have DRAM mapped and working, we can
394 * relocate the code and continue running from DRAM.
395 *
396 * Reserve memory at end of RAM for (top down in that order):
397 * - kernel log buffer
398 * - protected RAM
399 * - LCD framebuffer
400 * - monitor code
401 * - board info struct
402 */
403 len = (ulong)&_end - CFG_MONITOR_BASE;
404
405 #ifndef CONFIG_VERY_BIG_RAM
406 addr = CFG_SDRAM_BASE + gd->ram_size;
407 #else
408 /* only allow stack below 256M */
409 addr = CFG_SDRAM_BASE +
410 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
411 #endif
412
413 #ifdef CONFIG_LOGBUFFER
414 /* reserve kernel log buffer */
415 addr -= (LOGBUFF_RESERVE);
416 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
417 #endif
418
419 #ifdef CONFIG_PRAM
420 /*
421 * reserve protected RAM
422 */
423 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
424 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
425 addr -= (reg << 10); /* size is in kB */
426 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
427 #endif /* CONFIG_PRAM */
428
429 /* round down to next 4 kB limit */
430 addr &= ~(4096 - 1);
431 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
432
433 #ifdef CONFIG_LCD
434 /* reserve memory for LCD display (always full pages) */
435 addr = lcd_setmem (addr);
436 gd->fb_base = addr;
437 #endif /* CONFIG_LCD */
438
439 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
440 /* reserve memory for video display (always full pages) */
441 addr = video_setmem (addr);
442 gd->fb_base = addr;
443 #endif /* CONFIG_VIDEO */
444
445 /*
446 * reserve memory for U-Boot code, data & bss
447 * round down to next 4 kB limit
448 */
449 addr -= len;
450 addr &= ~(4096 - 1);
451 #ifdef CONFIG_E500
452 /* round down to next 64 kB limit so that IVPR stays aligned */
453 addr &= ~(65536 - 1);
454 #endif
455
456 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
457
458 #ifdef CONFIG_AMIGAONEG3SE
459 gd->relocaddr = addr;
460 #endif
461
462 /*
463 * reserve memory for malloc() arena
464 */
465 addr_sp = addr - TOTAL_MALLOC_LEN;
466 debug ("Reserving %dk for malloc() at: %08lx\n",
467 TOTAL_MALLOC_LEN >> 10, addr_sp);
468
469 /*
470 * (permanently) allocate a Board Info struct
471 * and a permanent copy of the "global" data
472 */
473 addr_sp -= sizeof (bd_t);
474 bd = (bd_t *) addr_sp;
475 gd->bd = bd;
476 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
477 sizeof (bd_t), addr_sp);
478 addr_sp -= sizeof (gd_t);
479 id = (gd_t *) addr_sp;
480 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
481 sizeof (gd_t), addr_sp);
482
483 /*
484 * Finally, we set up a new (bigger) stack.
485 *
486 * Leave some safety gap for SP, force alignment on 16 byte boundary
487 * Clear initial stack frame
488 */
489 addr_sp -= 16;
490 addr_sp &= ~0xF;
491 s = (ulong *)addr_sp;
492 *s-- = 0;
493 *s-- = 0;
494 addr_sp = (ulong)s;
495 debug ("Stack Pointer at: %08lx\n", addr_sp);
496
497 /*
498 * Save local variables to board info struct
499 */
500
501 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
502 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
503
504 #ifdef CONFIG_IP860
505 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
506 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
507 #elif defined CONFIG_MPC8220
508 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
509 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
510 #else
511 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
512 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
513 #endif
514
515 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
516 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
517 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
518 #endif
519 #if defined(CONFIG_MPC5xxx)
520 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
521 #endif
522 #if defined(CONFIG_MPC83XX)
523 bd->bi_immrbar = CFG_IMMR;
524 #endif
525 #if defined(CONFIG_MPC8220)
526 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
527 bd->bi_inpfreq = gd->inp_clk;
528 bd->bi_pcifreq = gd->pci_clk;
529 bd->bi_vcofreq = gd->vco_clk;
530 bd->bi_pevfreq = gd->pev_clk;
531 bd->bi_flbfreq = gd->flb_clk;
532
533 /* store bootparam to sram (backward compatible), here? */
534 {
535 u32 *sram = (u32 *)CFG_SRAM_BASE;
536 *sram++ = gd->ram_size;
537 *sram++ = gd->bus_clk;
538 *sram++ = gd->inp_clk;
539 *sram++ = gd->cpu_clk;
540 *sram++ = gd->vco_clk;
541 *sram++ = gd->flb_clk;
542 *sram++ = 0xb8c3ba11; /* boot signature */
543 }
544 #endif
545
546 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
547
548 WATCHDOG_RESET ();
549 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
550 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
551 #if defined(CONFIG_CPM2)
552 bd->bi_cpmfreq = gd->cpm_clk;
553 bd->bi_brgfreq = gd->brg_clk;
554 bd->bi_sccfreq = gd->scc_clk;
555 bd->bi_vco = gd->vco_out;
556 #endif /* CONFIG_CPM2 */
557 #if defined(CONFIG_MPC5xxx)
558 bd->bi_ipbfreq = gd->ipb_clk;
559 bd->bi_pcifreq = gd->pci_clk;
560 #endif /* CONFIG_MPC5xxx */
561 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
562
563 #ifdef CFG_EXTBDINFO
564 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
565 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
566
567 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
568 bd->bi_plb_busfreq = gd->bus_clk;
569 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
570 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
571 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
572 bd->bi_pci_busfreq = get_PCI_freq ();
573 bd->bi_opbfreq = get_OPB_freq ();
574 #elif defined(CONFIG_XILINX_ML300)
575 bd->bi_pci_busfreq = get_PCI_freq ();
576 #endif
577 #endif
578
579 debug ("New Stack Pointer is: %08lx\n", addr_sp);
580
581 WATCHDOG_RESET ();
582
583 #ifdef CONFIG_POST
584 post_bootmode_init();
585 post_run (NULL, POST_ROM | post_bootmode_get(0));
586 #endif
587
588 WATCHDOG_RESET();
589
590 memcpy (id, (void *)gd, sizeof (gd_t));
591
592 relocate_code (addr_sp, id, addr);
593
594 /* NOTREACHED - relocate_code() does not return */
595 }
596
597 /************************************************************************
598 *
599 * This is the next part if the initialization sequence: we are now
600 * running from RAM and have a "normal" C environment, i. e. global
601 * data can be written, BSS has been cleared, the stack size in not
602 * that critical any more, etc.
603 *
604 ************************************************************************
605 */
606 void board_init_r (gd_t *id, ulong dest_addr)
607 {
608 cmd_tbl_t *cmdtp;
609 char *s, *e;
610 bd_t *bd;
611 int i;
612 extern void malloc_bin_reloc (void);
613 #ifndef CFG_ENV_IS_NOWHERE
614 extern char * env_name_spec;
615 #endif
616
617 #ifndef CFG_NO_FLASH
618 ulong flash_size;
619 #endif
620
621 gd = id; /* initialize RAM version of global data */
622 bd = gd->bd;
623
624 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
625
626 #if defined(CONFIG_RELOC_FIXUP_WORKS)
627 gd->reloc_off = 0;
628 mem_malloc_end = dest_addr;
629 #else
630 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
631 #endif
632
633 #ifdef CONFIG_SERIAL_MULTI
634 serial_initialize();
635 #endif
636
637 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
638
639 WATCHDOG_RESET ();
640
641 #if defined(CONFIG_BOARD_EARLY_INIT_R)
642 board_early_init_r ();
643 #endif
644
645 monitor_flash_len = (ulong)&__init_end - dest_addr;
646
647 /*
648 * We have to relocate the command table manually
649 */
650 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
651 ulong addr;
652 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
653 #if 0
654 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
655 cmdtp->name, (ulong) (cmdtp->cmd), addr);
656 #endif
657 cmdtp->cmd =
658 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
659
660 addr = (ulong)(cmdtp->name) + gd->reloc_off;
661 cmdtp->name = (char *)addr;
662
663 if (cmdtp->usage) {
664 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
665 cmdtp->usage = (char *)addr;
666 }
667 #ifdef CFG_LONGHELP
668 if (cmdtp->help) {
669 addr = (ulong)(cmdtp->help) + gd->reloc_off;
670 cmdtp->help = (char *)addr;
671 }
672 #endif
673 }
674 /* there are some other pointer constants we must deal with */
675 #ifndef CFG_ENV_IS_NOWHERE
676 env_name_spec += gd->reloc_off;
677 #endif
678
679 WATCHDOG_RESET ();
680
681 #ifdef CONFIG_LOGBUFFER
682 logbuff_init_ptrs ();
683 #endif
684 #ifdef CONFIG_POST
685 post_output_backlog ();
686 post_reloc ();
687 #endif
688
689 WATCHDOG_RESET();
690
691 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
692 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
693 icache_enable (); /* it's time to enable the instruction cache */
694 #endif
695
696 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
697 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
698 #endif
699
700 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
701 /*
702 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
703 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
704 * bridge there.
705 */
706 pci_init ();
707 #endif
708 #if defined(CONFIG_BAB7xx)
709 /*
710 * Initialise the ISA bridge
711 */
712 initialise_w83c553f ();
713 #endif
714
715 asm ("sync ; isync");
716
717 /*
718 * Setup trap handlers
719 */
720 trap_init (dest_addr);
721
722 #if !defined(CFG_NO_FLASH)
723 puts ("FLASH: ");
724
725 if ((flash_size = flash_init ()) > 0) {
726 # ifdef CFG_FLASH_CHECKSUM
727 print_size (flash_size, "");
728 /*
729 * Compute and print flash CRC if flashchecksum is set to 'y'
730 *
731 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
732 */
733 s = getenv ("flashchecksum");
734 if (s && (*s == 'y')) {
735 printf (" CRC: %08lX",
736 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
737 );
738 }
739 putc ('\n');
740 # else /* !CFG_FLASH_CHECKSUM */
741 print_size (flash_size, "\n");
742 # endif /* CFG_FLASH_CHECKSUM */
743 } else {
744 puts (failed);
745 hang ();
746 }
747
748 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
749 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
750
751 #if defined(CFG_UPDATE_FLASH_SIZE)
752 /* Make a update of the Memctrl. */
753 update_flash_size (flash_size);
754 #endif
755
756
757 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
758 /* flash mapped at end of memory map */
759 bd->bi_flashoffset = TEXT_BASE + flash_size;
760 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
761 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
762 # else
763 bd->bi_flashoffset = 0;
764 # endif
765 #else /* CFG_NO_FLASH */
766
767 bd->bi_flashsize = 0;
768 bd->bi_flashstart = 0;
769 bd->bi_flashoffset = 0;
770 #endif /* !CFG_NO_FLASH */
771
772 WATCHDOG_RESET ();
773
774 /* initialize higher level parts of CPU like time base and timers */
775 cpu_init_r ();
776
777 WATCHDOG_RESET ();
778
779 /* initialize malloc() area */
780 mem_malloc_init ();
781 malloc_bin_reloc ();
782
783 #ifdef CONFIG_SPI
784 # if !defined(CFG_ENV_IS_IN_EEPROM)
785 spi_init_f ();
786 # endif
787 spi_init_r ();
788 #endif
789
790 #if defined(CONFIG_CMD_NAND)
791 WATCHDOG_RESET ();
792 puts ("NAND: ");
793 nand_init(); /* go init the NAND */
794 #endif
795
796 /* relocate environment function pointers etc. */
797 env_relocate ();
798
799 /*
800 * Fill in missing fields of bd_info.
801 * We do this here, where we have "normal" access to the
802 * environment; we used to do this still running from ROM,
803 * where had to use getenv_r(), which can be pretty slow when
804 * the environment is in EEPROM.
805 */
806
807 #if defined(CFG_EXTBDINFO)
808 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
809 #if defined(CONFIG_I2CFAST)
810 /*
811 * set bi_iic_fast for linux taking environment variable
812 * "i2cfast" into account
813 */
814 {
815 char *s = getenv ("i2cfast");
816 if (s && ((*s == 'y') || (*s == 'Y'))) {
817 bd->bi_iic_fast[0] = 1;
818 bd->bi_iic_fast[1] = 1;
819 } else {
820 bd->bi_iic_fast[0] = 0;
821 bd->bi_iic_fast[1] = 0;
822 }
823 }
824 #else
825 bd->bi_iic_fast[0] = 0;
826 bd->bi_iic_fast[1] = 0;
827 #endif /* CONFIG_I2CFAST */
828 #endif /* CONFIG_405GP, CONFIG_405EP */
829 #endif /* CFG_EXTBDINFO */
830
831 #if defined(CONFIG_SC3)
832 sc3_read_eeprom();
833 #endif
834 s = getenv ("ethaddr");
835 #if defined (CONFIG_MBX) || \
836 defined (CONFIG_RPXCLASSIC) || \
837 defined(CONFIG_IAD210) || \
838 defined(CONFIG_V38B)
839 if (s == NULL)
840 board_get_enetaddr (bd->bi_enetaddr);
841 else
842 #endif
843 for (i = 0; i < 6; ++i) {
844 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
845 if (s)
846 s = (*e) ? e + 1 : e;
847 }
848 #ifdef CONFIG_HERMES
849 if ((gd->board_type >> 16) == 2)
850 bd->bi_ethspeed = gd->board_type & 0xFFFF;
851 else
852 bd->bi_ethspeed = 0xFFFF;
853 #endif
854
855 #ifdef CONFIG_NX823
856 load_sernum_ethaddr ();
857 #endif
858
859 #ifdef CONFIG_HAS_ETH1
860 /* handle the 2nd ethernet address */
861
862 s = getenv ("eth1addr");
863
864 for (i = 0; i < 6; ++i) {
865 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
866 if (s)
867 s = (*e) ? e + 1 : e;
868 }
869 #endif
870 #ifdef CONFIG_HAS_ETH2
871 /* handle the 3rd ethernet address */
872
873 s = getenv ("eth2addr");
874 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
875 if (s == NULL)
876 board_get_enetaddr(bd->bi_enet2addr);
877 else
878 #endif
879 for (i = 0; i < 6; ++i) {
880 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
881 if (s)
882 s = (*e) ? e + 1 : e;
883 }
884 #endif
885
886 #ifdef CONFIG_HAS_ETH3
887 /* handle 4th ethernet address */
888 s = getenv("eth3addr");
889 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
890 if (s == NULL)
891 board_get_enetaddr(bd->bi_enet3addr);
892 else
893 #endif
894 for (i = 0; i < 6; ++i) {
895 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
896 if (s)
897 s = (*e) ? e + 1 : e;
898 }
899 #endif
900
901 #ifdef CFG_ID_EEPROM
902 mac_read_from_eeprom();
903 #endif
904
905 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
906 defined(CONFIG_TQM8272) || \
907 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
908 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
909 load_sernum_ethaddr ();
910 #endif
911 /* IP Address */
912 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
913
914 WATCHDOG_RESET ();
915
916 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
917 /*
918 * Do pci configuration
919 */
920 pci_init ();
921 #endif
922
923 /** leave this here (after malloc(), environment and PCI are working) **/
924 /* Initialize devices */
925 devices_init ();
926
927 /* Initialize the jump table for applications */
928 jumptable_init ();
929
930 /* Initialize the console (after the relocation and devices init) */
931 console_init_r ();
932
933 #if defined(CONFIG_CCM) || \
934 defined(CONFIG_COGENT) || \
935 defined(CONFIG_CPCI405) || \
936 defined(CONFIG_EVB64260) || \
937 defined(CONFIG_KUP4K) || \
938 defined(CONFIG_KUP4X) || \
939 defined(CONFIG_LWMON) || \
940 defined(CONFIG_PCU_E) || \
941 defined(CONFIG_SC3) || \
942 defined(CONFIG_W7O) || \
943 defined(CONFIG_MISC_INIT_R)
944 /* miscellaneous platform dependent initialisations */
945 misc_init_r ();
946 #endif
947
948 #ifdef CONFIG_HERMES
949 if (bd->bi_ethspeed != 0xFFFF)
950 hermes_start_lxt980 ((int) bd->bi_ethspeed);
951 #endif
952
953 #if defined(CONFIG_CMD_KGDB)
954 WATCHDOG_RESET ();
955 puts ("KGDB: ");
956 kgdb_init ();
957 #endif
958
959 debug ("U-Boot relocated to %08lx\n", dest_addr);
960
961 /*
962 * Enable Interrupts
963 */
964 interrupt_init ();
965
966 /* Must happen after interrupts are initialized since
967 * an irq handler gets installed
968 */
969 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
970 serial_buffered_init();
971 #endif
972
973 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
974 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
975 #endif
976
977 udelay (20);
978
979 set_timer (0);
980
981 /* Initialize from environment */
982 if ((s = getenv ("loadaddr")) != NULL) {
983 load_addr = simple_strtoul (s, NULL, 16);
984 }
985 #if defined(CONFIG_CMD_NET)
986 if ((s = getenv ("bootfile")) != NULL) {
987 copy_filename (BootFile, s, sizeof (BootFile));
988 }
989 #endif
990
991 WATCHDOG_RESET ();
992
993 #if defined(CONFIG_CMD_SCSI)
994 WATCHDOG_RESET ();
995 puts ("SCSI: ");
996 scsi_init ();
997 #endif
998
999 #if defined(CONFIG_CMD_DOC)
1000 WATCHDOG_RESET ();
1001 puts ("DOC: ");
1002 doc_init ();
1003 #endif
1004
1005 #if defined(CONFIG_CMD_NET)
1006 #if defined(CONFIG_NET_MULTI)
1007 WATCHDOG_RESET ();
1008 puts ("Net: ");
1009 #endif
1010 eth_initialize (bd);
1011 #endif
1012
1013 #if defined(CONFIG_CMD_NET) && ( \
1014 defined(CONFIG_CCM) || \
1015 defined(CONFIG_ELPT860) || \
1016 defined(CONFIG_EP8260) || \
1017 defined(CONFIG_IP860) || \
1018 defined(CONFIG_IVML24) || \
1019 defined(CONFIG_IVMS8) || \
1020 defined(CONFIG_MPC8260ADS) || \
1021 defined(CONFIG_MPC8266ADS) || \
1022 defined(CONFIG_MPC8560ADS) || \
1023 defined(CONFIG_PCU_E) || \
1024 defined(CONFIG_RPXSUPER) || \
1025 defined(CONFIG_STXGP3) || \
1026 defined(CONFIG_SPD823TS) || \
1027 defined(CONFIG_RESET_PHY_R) )
1028
1029 WATCHDOG_RESET ();
1030 debug ("Reset Ethernet PHY\n");
1031 reset_phy ();
1032 #endif
1033
1034 #ifdef CONFIG_POST
1035 post_run (NULL, POST_RAM | post_bootmode_get(0));
1036 #endif
1037
1038 #if defined(CONFIG_CMD_PCMCIA) \
1039 && !defined(CONFIG_CMD_IDE)
1040 WATCHDOG_RESET ();
1041 puts ("PCMCIA:");
1042 pcmcia_init ();
1043 #endif
1044
1045 #if defined(CONFIG_CMD_IDE)
1046 WATCHDOG_RESET ();
1047 # ifdef CONFIG_IDE_8xx_PCCARD
1048 puts ("PCMCIA:");
1049 # else
1050 puts ("IDE: ");
1051 #endif
1052 #if defined(CONFIG_START_IDE)
1053 if (board_start_ide())
1054 ide_init ();
1055 #else
1056 ide_init ();
1057 #endif
1058 #endif
1059
1060 #ifdef CONFIG_LAST_STAGE_INIT
1061 WATCHDOG_RESET ();
1062 /*
1063 * Some parts can be only initialized if all others (like
1064 * Interrupts) are up and running (i.e. the PC-style ISA
1065 * keyboard).
1066 */
1067 last_stage_init ();
1068 #endif
1069
1070 #if defined(CONFIG_CMD_BEDBUG)
1071 WATCHDOG_RESET ();
1072 bedbug_init ();
1073 #endif
1074
1075 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1076 /*
1077 * Export available size of memory for Linux,
1078 * taking into account the protected RAM at top of memory
1079 */
1080 {
1081 ulong pram;
1082 uchar memsz[32];
1083 #ifdef CONFIG_PRAM
1084 char *s;
1085
1086 if ((s = getenv ("pram")) != NULL) {
1087 pram = simple_strtoul (s, NULL, 10);
1088 } else {
1089 pram = CONFIG_PRAM;
1090 }
1091 #else
1092 pram=0;
1093 #endif
1094 #ifdef CONFIG_LOGBUFFER
1095 /* Also take the logbuffer into account (pram is in kB) */
1096 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1097 #endif
1098 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1099 setenv ("mem", (char *)memsz);
1100 }
1101 #endif
1102
1103 #ifdef CONFIG_PS2KBD
1104 puts ("PS/2: ");
1105 kbd_init();
1106 #endif
1107
1108 #ifdef CONFIG_MODEM_SUPPORT
1109 {
1110 extern int do_mdm_init;
1111 do_mdm_init = gd->do_mdm_init;
1112 }
1113 #endif
1114
1115 /* Initialization complete - start the monitor */
1116
1117 /* main_loop() can return to retry autoboot, if so just run it again. */
1118 for (;;) {
1119 WATCHDOG_RESET ();
1120 main_loop ();
1121 }
1122
1123 /* NOTREACHED - no way out of command loop except booting */
1124 }
1125
1126 void hang (void)
1127 {
1128 puts ("### ERROR ### Please RESET the board ###\n");
1129 show_boot_progress(-30);
1130 for (;;);
1131 }
1132
1133 #ifdef CONFIG_MODEM_SUPPORT
1134 /* called from main loop (common/main.c) */
1135 /* 'inline' - We have to do it fast */
1136 static inline void mdm_readline(char *buf, int bufsiz)
1137 {
1138 char c;
1139 char *p;
1140 int n;
1141
1142 n = 0;
1143 p = buf;
1144 for(;;) {
1145 c = serial_getc();
1146
1147 /* dbg("(%c)", c); */
1148
1149 switch(c) {
1150 case '\r':
1151 break;
1152 case '\n':
1153 *p = '\0';
1154 return;
1155
1156 default:
1157 if(n++ > bufsiz) {
1158 *p = '\0';
1159 return; /* sanity check */
1160 }
1161 *p = c;
1162 p++;
1163 break;
1164 }
1165 }
1166 }
1167
1168 extern void dbg(const char *fmt, ...);
1169 int mdm_init (void)
1170 {
1171 char env_str[16];
1172 char *init_str;
1173 int i;
1174 extern char console_buffer[];
1175 extern void enable_putc(void);
1176 extern int hwflow_onoff(int);
1177
1178 enable_putc(); /* enable serial_putc() */
1179
1180 #ifdef CONFIG_HWFLOW
1181 init_str = getenv("mdm_flow_control");
1182 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1183 hwflow_onoff (1);
1184 else
1185 hwflow_onoff(-1);
1186 #endif
1187
1188 for (i = 1;;i++) {
1189 sprintf(env_str, "mdm_init%d", i);
1190 if ((init_str = getenv(env_str)) != NULL) {
1191 serial_puts(init_str);
1192 serial_puts("\n");
1193 for(;;) {
1194 mdm_readline(console_buffer, CFG_CBSIZE);
1195 dbg("ini%d: [%s]", i, console_buffer);
1196
1197 if ((strcmp(console_buffer, "OK") == 0) ||
1198 (strcmp(console_buffer, "ERROR") == 0)) {
1199 dbg("ini%d: cmd done", i);
1200 break;
1201 } else /* in case we are originating call ... */
1202 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1203 dbg("ini%d: connect", i);
1204 return 0;
1205 }
1206 }
1207 } else
1208 break; /* no init string - stop modem init */
1209
1210 udelay(100000);
1211 }
1212
1213 udelay(100000);
1214
1215 /* final stage - wait for connect */
1216 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1217 message from modem */
1218 mdm_readline(console_buffer, CFG_CBSIZE);
1219 dbg("ini_f: [%s]", console_buffer);
1220 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1221 dbg("ini_f: connected");
1222 return 0;
1223 }
1224 }
1225
1226 return 0;
1227 }
1228
1229 #endif
1230
1231 #if 0 /* We could use plain global data, but the resulting code is bigger */
1232 /*
1233 * Pointer to initial global data area
1234 *
1235 * Here we initialize it.
1236 */
1237 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1238 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1239 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1240 #endif /* 0 */
1241
1242 /************************************************************************/
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