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Merge branch 'master' of /home/wd/git/u-boot/custodians
[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 void __board_add_ram_info(int use_default)
213 {
214 /* please define platform specific board_add_ram_info() */
215 }
216 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
217
218
219 static int init_func_ram (void)
220 {
221 #ifdef CONFIG_BOARD_TYPES
222 int board_type = gd->board_type;
223 #else
224 int board_type = 0; /* use dummy arg */
225 #endif
226 puts ("DRAM: ");
227
228 if ((gd->ram_size = initdram (board_type)) > 0) {
229 print_size (gd->ram_size, "");
230 board_add_ram_info(0);
231 putc('\n');
232 return (0);
233 }
234 puts (failed);
235 return (1);
236 }
237
238 /***********************************************************************/
239
240 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
241 static int init_func_i2c (void)
242 {
243 puts ("I2C: ");
244 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
245 puts ("ready\n");
246 return (0);
247 }
248 #endif
249
250 /***********************************************************************/
251
252 #if defined(CONFIG_WATCHDOG)
253 static int init_func_watchdog_init (void)
254 {
255 puts (" Watchdog enabled\n");
256 WATCHDOG_RESET ();
257 return (0);
258 }
259 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
260
261 static int init_func_watchdog_reset (void)
262 {
263 WATCHDOG_RESET ();
264 return (0);
265 }
266 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
267 #else
268 # define INIT_FUNC_WATCHDOG_INIT /* undef */
269 # define INIT_FUNC_WATCHDOG_RESET /* undef */
270 #endif /* CONFIG_WATCHDOG */
271
272 /************************************************************************
273 * Initialization sequence *
274 ************************************************************************
275 */
276
277 init_fnc_t *init_sequence[] = {
278
279 #if defined(CONFIG_BOARD_EARLY_INIT_F)
280 board_early_init_f,
281 #endif
282
283 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
284 get_clocks, /* get CPU and bus clocks (etc.) */
285 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
286 && !defined(CONFIG_TQM885D)
287 adjust_sdram_tbs_8xx,
288 #endif
289 init_timebase,
290 #endif
291 #ifdef CFG_ALLOC_DPRAM
292 #if !defined(CONFIG_CPM2)
293 dpram_init,
294 #endif
295 #endif
296 #if defined(CONFIG_BOARD_POSTCLK_INIT)
297 board_postclk_init,
298 #endif
299 env_init,
300 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
301 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
302 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
303 init_timebase,
304 #endif
305 init_baudrate,
306 serial_init,
307 console_init_f,
308 display_options,
309 #if defined(CONFIG_8260)
310 prt_8260_rsr,
311 prt_8260_clks,
312 #endif /* CONFIG_8260 */
313 #if defined(CONFIG_MPC83XX)
314 prt_83xx_rsr,
315 #endif
316 checkcpu,
317 #if defined(CONFIG_MPC5xxx)
318 prt_mpc5xxx_clks,
319 #endif /* CONFIG_MPC5xxx */
320 #if defined(CONFIG_MPC8220)
321 prt_mpc8220_clks,
322 #endif
323 checkboard,
324 INIT_FUNC_WATCHDOG_INIT
325 #if defined(CONFIG_MISC_INIT_F)
326 misc_init_f,
327 #endif
328 INIT_FUNC_WATCHDOG_RESET
329 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
330 init_func_i2c,
331 #endif
332 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
333 dtt_init,
334 #endif
335 #ifdef CONFIG_POST
336 post_init_f,
337 #endif
338 INIT_FUNC_WATCHDOG_RESET
339 init_func_ram,
340 #if defined(CFG_DRAM_TEST)
341 testdram,
342 #endif /* CFG_DRAM_TEST */
343 INIT_FUNC_WATCHDOG_RESET
344
345 NULL, /* Terminate this list */
346 };
347
348 /************************************************************************
349 *
350 * This is the first part of the initialization sequence that is
351 * implemented in C, but still running from ROM.
352 *
353 * The main purpose is to provide a (serial) console interface as
354 * soon as possible (so we can see any error messages), and to
355 * initialize the RAM so that we can relocate the monitor code to
356 * RAM.
357 *
358 * Be aware of the restrictions: global data is read-only, BSS is not
359 * initialized, and stack space is limited to a few kB.
360 *
361 ************************************************************************
362 */
363
364 void board_init_f (ulong bootflag)
365 {
366 bd_t *bd;
367 ulong len, addr, addr_sp;
368 ulong *s;
369 gd_t *id;
370 init_fnc_t **init_fnc_ptr;
371 #ifdef CONFIG_PRAM
372 int i;
373 ulong reg;
374 uchar tmp[64]; /* long enough for environment variables */
375 #endif
376
377 /* Pointer is writable since we allocated a register for it */
378 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
379 /* compiler optimization barrier needed for GCC >= 3.4 */
380 __asm__ __volatile__("": : :"memory");
381
382 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
383 /* Clear initial global data */
384 memset ((void *) gd, 0, sizeof (gd_t));
385 #endif
386
387 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
388 if ((*init_fnc_ptr) () != 0) {
389 hang ();
390 }
391 }
392
393 /*
394 * Now that we have DRAM mapped and working, we can
395 * relocate the code and continue running from DRAM.
396 *
397 * Reserve memory at end of RAM for (top down in that order):
398 * - kernel log buffer
399 * - protected RAM
400 * - LCD framebuffer
401 * - monitor code
402 * - board info struct
403 */
404 len = (ulong)&_end - CFG_MONITOR_BASE;
405
406 #ifndef CONFIG_VERY_BIG_RAM
407 addr = CFG_SDRAM_BASE + gd->ram_size;
408 #else
409 /* only allow stack below 256M */
410 addr = CFG_SDRAM_BASE +
411 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
412 #endif
413
414 #ifdef CONFIG_LOGBUFFER
415 /* reserve kernel log buffer */
416 addr -= (LOGBUFF_RESERVE);
417 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
418 #endif
419
420 #ifdef CONFIG_PRAM
421 /*
422 * reserve protected RAM
423 */
424 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
425 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
426 addr -= (reg << 10); /* size is in kB */
427 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
428 #endif /* CONFIG_PRAM */
429
430 /* round down to next 4 kB limit */
431 addr &= ~(4096 - 1);
432 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
433
434 #ifdef CONFIG_LCD
435 /* reserve memory for LCD display (always full pages) */
436 addr = lcd_setmem (addr);
437 gd->fb_base = addr;
438 #endif /* CONFIG_LCD */
439
440 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
441 /* reserve memory for video display (always full pages) */
442 addr = video_setmem (addr);
443 gd->fb_base = addr;
444 #endif /* CONFIG_VIDEO */
445
446 /*
447 * reserve memory for U-Boot code, data & bss
448 * round down to next 4 kB limit
449 */
450 addr -= len;
451 addr &= ~(4096 - 1);
452 #ifdef CONFIG_E500
453 /* round down to next 64 kB limit so that IVPR stays aligned */
454 addr &= ~(65536 - 1);
455 #endif
456
457 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
458
459 #ifdef CONFIG_AMIGAONEG3SE
460 gd->relocaddr = addr;
461 #endif
462
463 /*
464 * reserve memory for malloc() arena
465 */
466 addr_sp = addr - TOTAL_MALLOC_LEN;
467 debug ("Reserving %dk for malloc() at: %08lx\n",
468 TOTAL_MALLOC_LEN >> 10, addr_sp);
469
470 /*
471 * (permanently) allocate a Board Info struct
472 * and a permanent copy of the "global" data
473 */
474 addr_sp -= sizeof (bd_t);
475 bd = (bd_t *) addr_sp;
476 gd->bd = bd;
477 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
478 sizeof (bd_t), addr_sp);
479 addr_sp -= sizeof (gd_t);
480 id = (gd_t *) addr_sp;
481 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
482 sizeof (gd_t), addr_sp);
483
484 /*
485 * Finally, we set up a new (bigger) stack.
486 *
487 * Leave some safety gap for SP, force alignment on 16 byte boundary
488 * Clear initial stack frame
489 */
490 addr_sp -= 16;
491 addr_sp &= ~0xF;
492 s = (ulong *)addr_sp;
493 *s-- = 0;
494 *s-- = 0;
495 addr_sp = (ulong)s;
496 debug ("Stack Pointer at: %08lx\n", addr_sp);
497
498 /*
499 * Save local variables to board info struct
500 */
501
502 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
503 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
504
505 #ifdef CONFIG_IP860
506 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
507 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
508 #elif defined CONFIG_MPC8220
509 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
510 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
511 #else
512 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
513 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
514 #endif
515
516 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
517 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
518 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
519 #endif
520 #if defined(CONFIG_MPC5xxx)
521 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
522 #endif
523 #if defined(CONFIG_MPC83XX)
524 bd->bi_immrbar = CFG_IMMR;
525 #endif
526 #if defined(CONFIG_MPC8220)
527 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
528 bd->bi_inpfreq = gd->inp_clk;
529 bd->bi_pcifreq = gd->pci_clk;
530 bd->bi_vcofreq = gd->vco_clk;
531 bd->bi_pevfreq = gd->pev_clk;
532 bd->bi_flbfreq = gd->flb_clk;
533
534 /* store bootparam to sram (backward compatible), here? */
535 {
536 u32 *sram = (u32 *)CFG_SRAM_BASE;
537 *sram++ = gd->ram_size;
538 *sram++ = gd->bus_clk;
539 *sram++ = gd->inp_clk;
540 *sram++ = gd->cpu_clk;
541 *sram++ = gd->vco_clk;
542 *sram++ = gd->flb_clk;
543 *sram++ = 0xb8c3ba11; /* boot signature */
544 }
545 #endif
546
547 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
548
549 WATCHDOG_RESET ();
550 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
551 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
552 #if defined(CONFIG_CPM2)
553 bd->bi_cpmfreq = gd->cpm_clk;
554 bd->bi_brgfreq = gd->brg_clk;
555 bd->bi_sccfreq = gd->scc_clk;
556 bd->bi_vco = gd->vco_out;
557 #endif /* CONFIG_CPM2 */
558 #if defined(CONFIG_MPC5xxx)
559 bd->bi_ipbfreq = gd->ipb_clk;
560 bd->bi_pcifreq = gd->pci_clk;
561 #endif /* CONFIG_MPC5xxx */
562 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
563
564 #ifdef CFG_EXTBDINFO
565 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
566 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
567
568 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
569 bd->bi_plb_busfreq = gd->bus_clk;
570 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
571 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
572 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
573 bd->bi_pci_busfreq = get_PCI_freq ();
574 bd->bi_opbfreq = get_OPB_freq ();
575 #elif defined(CONFIG_XILINX_ML300)
576 bd->bi_pci_busfreq = get_PCI_freq ();
577 #endif
578 #endif
579
580 debug ("New Stack Pointer is: %08lx\n", addr_sp);
581
582 WATCHDOG_RESET ();
583
584 #ifdef CONFIG_POST
585 post_bootmode_init();
586 post_run (NULL, POST_ROM | post_bootmode_get(0));
587 #endif
588
589 WATCHDOG_RESET();
590
591 memcpy (id, (void *)gd, sizeof (gd_t));
592
593 relocate_code (addr_sp, id, addr);
594
595 /* NOTREACHED - relocate_code() does not return */
596 }
597
598 /************************************************************************
599 *
600 * This is the next part if the initialization sequence: we are now
601 * running from RAM and have a "normal" C environment, i. e. global
602 * data can be written, BSS has been cleared, the stack size in not
603 * that critical any more, etc.
604 *
605 ************************************************************************
606 */
607 void board_init_r (gd_t *id, ulong dest_addr)
608 {
609 cmd_tbl_t *cmdtp;
610 char *s, *e;
611 bd_t *bd;
612 int i;
613 extern void malloc_bin_reloc (void);
614 #ifndef CFG_ENV_IS_NOWHERE
615 extern char * env_name_spec;
616 #endif
617
618 #ifndef CFG_NO_FLASH
619 ulong flash_size;
620 #endif
621
622 gd = id; /* initialize RAM version of global data */
623 bd = gd->bd;
624
625 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
626
627 #if defined(CONFIG_RELOC_FIXUP_WORKS)
628 gd->reloc_off = 0;
629 mem_malloc_end = dest_addr;
630 #else
631 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
632 #endif
633
634 #ifdef CONFIG_SERIAL_MULTI
635 serial_initialize();
636 #endif
637
638 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
639
640 WATCHDOG_RESET ();
641
642 #if defined(CONFIG_BOARD_EARLY_INIT_R)
643 board_early_init_r ();
644 #endif
645
646 monitor_flash_len = (ulong)&__init_end - dest_addr;
647
648 /*
649 * We have to relocate the command table manually
650 */
651 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
652 ulong addr;
653 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
654 #if 0
655 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
656 cmdtp->name, (ulong) (cmdtp->cmd), addr);
657 #endif
658 cmdtp->cmd =
659 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
660
661 addr = (ulong)(cmdtp->name) + gd->reloc_off;
662 cmdtp->name = (char *)addr;
663
664 if (cmdtp->usage) {
665 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
666 cmdtp->usage = (char *)addr;
667 }
668 #ifdef CFG_LONGHELP
669 if (cmdtp->help) {
670 addr = (ulong)(cmdtp->help) + gd->reloc_off;
671 cmdtp->help = (char *)addr;
672 }
673 #endif
674 }
675 /* there are some other pointer constants we must deal with */
676 #ifndef CFG_ENV_IS_NOWHERE
677 env_name_spec += gd->reloc_off;
678 #endif
679
680 WATCHDOG_RESET ();
681
682 #ifdef CONFIG_LOGBUFFER
683 logbuff_init_ptrs ();
684 #endif
685 #ifdef CONFIG_POST
686 post_output_backlog ();
687 post_reloc ();
688 #endif
689
690 WATCHDOG_RESET();
691
692 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
693 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
694 icache_enable (); /* it's time to enable the instruction cache */
695 #endif
696
697 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
698 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
699 #endif
700
701 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
702 /*
703 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
704 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
705 * bridge there.
706 */
707 pci_init ();
708 #endif
709 #if defined(CONFIG_BAB7xx)
710 /*
711 * Initialise the ISA bridge
712 */
713 initialise_w83c553f ();
714 #endif
715
716 asm ("sync ; isync");
717
718 /*
719 * Setup trap handlers
720 */
721 trap_init (dest_addr);
722
723 #if !defined(CFG_NO_FLASH)
724 puts ("FLASH: ");
725
726 if ((flash_size = flash_init ()) > 0) {
727 # ifdef CFG_FLASH_CHECKSUM
728 print_size (flash_size, "");
729 /*
730 * Compute and print flash CRC if flashchecksum is set to 'y'
731 *
732 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
733 */
734 s = getenv ("flashchecksum");
735 if (s && (*s == 'y')) {
736 printf (" CRC: %08lX",
737 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
738 );
739 }
740 putc ('\n');
741 # else /* !CFG_FLASH_CHECKSUM */
742 print_size (flash_size, "\n");
743 # endif /* CFG_FLASH_CHECKSUM */
744 } else {
745 puts (failed);
746 hang ();
747 }
748
749 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
750 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
751
752 #if defined(CFG_UPDATE_FLASH_SIZE)
753 /* Make a update of the Memctrl. */
754 update_flash_size (flash_size);
755 #endif
756
757
758 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
759 /* flash mapped at end of memory map */
760 bd->bi_flashoffset = TEXT_BASE + flash_size;
761 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
762 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
763 # else
764 bd->bi_flashoffset = 0;
765 # endif
766 #else /* CFG_NO_FLASH */
767
768 bd->bi_flashsize = 0;
769 bd->bi_flashstart = 0;
770 bd->bi_flashoffset = 0;
771 #endif /* !CFG_NO_FLASH */
772
773 WATCHDOG_RESET ();
774
775 /* initialize higher level parts of CPU like time base and timers */
776 cpu_init_r ();
777
778 WATCHDOG_RESET ();
779
780 /* initialize malloc() area */
781 mem_malloc_init ();
782 malloc_bin_reloc ();
783
784 #ifdef CONFIG_SPI
785 # if !defined(CFG_ENV_IS_IN_EEPROM)
786 spi_init_f ();
787 # endif
788 spi_init_r ();
789 #endif
790
791 #if defined(CONFIG_CMD_NAND)
792 WATCHDOG_RESET ();
793 puts ("NAND: ");
794 nand_init(); /* go init the NAND */
795 #endif
796
797 /* relocate environment function pointers etc. */
798 env_relocate ();
799
800 /*
801 * Fill in missing fields of bd_info.
802 * We do this here, where we have "normal" access to the
803 * environment; we used to do this still running from ROM,
804 * where had to use getenv_r(), which can be pretty slow when
805 * the environment is in EEPROM.
806 */
807
808 #if defined(CFG_EXTBDINFO)
809 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
810 #if defined(CONFIG_I2CFAST)
811 /*
812 * set bi_iic_fast for linux taking environment variable
813 * "i2cfast" into account
814 */
815 {
816 char *s = getenv ("i2cfast");
817 if (s && ((*s == 'y') || (*s == 'Y'))) {
818 bd->bi_iic_fast[0] = 1;
819 bd->bi_iic_fast[1] = 1;
820 } else {
821 bd->bi_iic_fast[0] = 0;
822 bd->bi_iic_fast[1] = 0;
823 }
824 }
825 #else
826 bd->bi_iic_fast[0] = 0;
827 bd->bi_iic_fast[1] = 0;
828 #endif /* CONFIG_I2CFAST */
829 #endif /* CONFIG_405GP, CONFIG_405EP */
830 #endif /* CFG_EXTBDINFO */
831
832 #if defined(CONFIG_SC3)
833 sc3_read_eeprom();
834 #endif
835 s = getenv ("ethaddr");
836 #if defined (CONFIG_MBX) || \
837 defined (CONFIG_RPXCLASSIC) || \
838 defined(CONFIG_IAD210) || \
839 defined(CONFIG_V38B)
840 if (s == NULL)
841 board_get_enetaddr (bd->bi_enetaddr);
842 else
843 #endif
844 for (i = 0; i < 6; ++i) {
845 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
846 if (s)
847 s = (*e) ? e + 1 : e;
848 }
849 #ifdef CONFIG_HERMES
850 if ((gd->board_type >> 16) == 2)
851 bd->bi_ethspeed = gd->board_type & 0xFFFF;
852 else
853 bd->bi_ethspeed = 0xFFFF;
854 #endif
855
856 #ifdef CONFIG_NX823
857 load_sernum_ethaddr ();
858 #endif
859
860 #ifdef CONFIG_HAS_ETH1
861 /* handle the 2nd ethernet address */
862
863 s = getenv ("eth1addr");
864
865 for (i = 0; i < 6; ++i) {
866 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
867 if (s)
868 s = (*e) ? e + 1 : e;
869 }
870 #endif
871 #ifdef CONFIG_HAS_ETH2
872 /* handle the 3rd ethernet address */
873
874 s = getenv ("eth2addr");
875 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
876 if (s == NULL)
877 board_get_enetaddr(bd->bi_enet2addr);
878 else
879 #endif
880 for (i = 0; i < 6; ++i) {
881 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
882 if (s)
883 s = (*e) ? e + 1 : e;
884 }
885 #endif
886
887 #ifdef CONFIG_HAS_ETH3
888 /* handle 4th ethernet address */
889 s = getenv("eth3addr");
890 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
891 if (s == NULL)
892 board_get_enetaddr(bd->bi_enet3addr);
893 else
894 #endif
895 for (i = 0; i < 6; ++i) {
896 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
897 if (s)
898 s = (*e) ? e + 1 : e;
899 }
900 #endif
901
902 #ifdef CFG_ID_EEPROM
903 mac_read_from_eeprom();
904 #endif
905
906 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
907 defined(CONFIG_TQM8272) || \
908 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
909 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
910 load_sernum_ethaddr ();
911 #endif
912 /* IP Address */
913 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
914
915 WATCHDOG_RESET ();
916
917 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
918 /*
919 * Do pci configuration
920 */
921 pci_init ();
922 #endif
923
924 /** leave this here (after malloc(), environment and PCI are working) **/
925 /* Initialize devices */
926 devices_init ();
927
928 /* Initialize the jump table for applications */
929 jumptable_init ();
930
931 #if defined(CONFIG_API)
932 /* Initialize API */
933 api_init ();
934 #endif
935
936 /* Initialize the console (after the relocation and devices init) */
937 console_init_r ();
938
939 #if defined(CONFIG_CCM) || \
940 defined(CONFIG_COGENT) || \
941 defined(CONFIG_CPCI405) || \
942 defined(CONFIG_EVB64260) || \
943 defined(CONFIG_KUP4K) || \
944 defined(CONFIG_KUP4X) || \
945 defined(CONFIG_LWMON) || \
946 defined(CONFIG_PCU_E) || \
947 defined(CONFIG_SC3) || \
948 defined(CONFIG_W7O) || \
949 defined(CONFIG_MISC_INIT_R)
950 /* miscellaneous platform dependent initialisations */
951 misc_init_r ();
952 #endif
953
954 #ifdef CONFIG_HERMES
955 if (bd->bi_ethspeed != 0xFFFF)
956 hermes_start_lxt980 ((int) bd->bi_ethspeed);
957 #endif
958
959 #if defined(CONFIG_CMD_KGDB)
960 WATCHDOG_RESET ();
961 puts ("KGDB: ");
962 kgdb_init ();
963 #endif
964
965 debug ("U-Boot relocated to %08lx\n", dest_addr);
966
967 /*
968 * Enable Interrupts
969 */
970 interrupt_init ();
971
972 /* Must happen after interrupts are initialized since
973 * an irq handler gets installed
974 */
975 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
976 serial_buffered_init();
977 #endif
978
979 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
980 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
981 #endif
982
983 udelay (20);
984
985 set_timer (0);
986
987 /* Initialize from environment */
988 if ((s = getenv ("loadaddr")) != NULL) {
989 load_addr = simple_strtoul (s, NULL, 16);
990 }
991 #if defined(CONFIG_CMD_NET)
992 if ((s = getenv ("bootfile")) != NULL) {
993 copy_filename (BootFile, s, sizeof (BootFile));
994 }
995 #endif
996
997 WATCHDOG_RESET ();
998
999 #if defined(CONFIG_CMD_SCSI)
1000 WATCHDOG_RESET ();
1001 puts ("SCSI: ");
1002 scsi_init ();
1003 #endif
1004
1005 #if defined(CONFIG_CMD_DOC)
1006 WATCHDOG_RESET ();
1007 puts ("DOC: ");
1008 doc_init ();
1009 #endif
1010
1011 #if defined(CONFIG_CMD_NET)
1012 #if defined(CONFIG_NET_MULTI)
1013 WATCHDOG_RESET ();
1014 puts ("Net: ");
1015 #endif
1016 eth_initialize (bd);
1017 #endif
1018
1019 #if defined(CONFIG_CMD_NET) && ( \
1020 defined(CONFIG_CCM) || \
1021 defined(CONFIG_ELPT860) || \
1022 defined(CONFIG_EP8260) || \
1023 defined(CONFIG_IP860) || \
1024 defined(CONFIG_IVML24) || \
1025 defined(CONFIG_IVMS8) || \
1026 defined(CONFIG_MPC8260ADS) || \
1027 defined(CONFIG_MPC8266ADS) || \
1028 defined(CONFIG_MPC8560ADS) || \
1029 defined(CONFIG_PCU_E) || \
1030 defined(CONFIG_RPXSUPER) || \
1031 defined(CONFIG_STXGP3) || \
1032 defined(CONFIG_SPD823TS) || \
1033 defined(CONFIG_RESET_PHY_R) )
1034
1035 WATCHDOG_RESET ();
1036 debug ("Reset Ethernet PHY\n");
1037 reset_phy ();
1038 #endif
1039
1040 #ifdef CONFIG_POST
1041 post_run (NULL, POST_RAM | post_bootmode_get(0));
1042 #endif
1043
1044 #if defined(CONFIG_CMD_PCMCIA) \
1045 && !defined(CONFIG_CMD_IDE)
1046 WATCHDOG_RESET ();
1047 puts ("PCMCIA:");
1048 pcmcia_init ();
1049 #endif
1050
1051 #if defined(CONFIG_CMD_IDE)
1052 WATCHDOG_RESET ();
1053 # ifdef CONFIG_IDE_8xx_PCCARD
1054 puts ("PCMCIA:");
1055 # else
1056 puts ("IDE: ");
1057 #endif
1058 #if defined(CONFIG_START_IDE)
1059 if (board_start_ide())
1060 ide_init ();
1061 #else
1062 ide_init ();
1063 #endif
1064 #endif
1065
1066 #ifdef CONFIG_LAST_STAGE_INIT
1067 WATCHDOG_RESET ();
1068 /*
1069 * Some parts can be only initialized if all others (like
1070 * Interrupts) are up and running (i.e. the PC-style ISA
1071 * keyboard).
1072 */
1073 last_stage_init ();
1074 #endif
1075
1076 #if defined(CONFIG_CMD_BEDBUG)
1077 WATCHDOG_RESET ();
1078 bedbug_init ();
1079 #endif
1080
1081 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1082 /*
1083 * Export available size of memory for Linux,
1084 * taking into account the protected RAM at top of memory
1085 */
1086 {
1087 ulong pram;
1088 uchar memsz[32];
1089 #ifdef CONFIG_PRAM
1090 char *s;
1091
1092 if ((s = getenv ("pram")) != NULL) {
1093 pram = simple_strtoul (s, NULL, 10);
1094 } else {
1095 pram = CONFIG_PRAM;
1096 }
1097 #else
1098 pram=0;
1099 #endif
1100 #ifdef CONFIG_LOGBUFFER
1101 /* Also take the logbuffer into account (pram is in kB) */
1102 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1103 #endif
1104 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1105 setenv ("mem", (char *)memsz);
1106 }
1107 #endif
1108
1109 #ifdef CONFIG_PS2KBD
1110 puts ("PS/2: ");
1111 kbd_init();
1112 #endif
1113
1114 #ifdef CONFIG_MODEM_SUPPORT
1115 {
1116 extern int do_mdm_init;
1117 do_mdm_init = gd->do_mdm_init;
1118 }
1119 #endif
1120
1121 /* Initialization complete - start the monitor */
1122
1123 /* main_loop() can return to retry autoboot, if so just run it again. */
1124 for (;;) {
1125 WATCHDOG_RESET ();
1126 main_loop ();
1127 }
1128
1129 /* NOTREACHED - no way out of command loop except booting */
1130 }
1131
1132 void hang (void)
1133 {
1134 puts ("### ERROR ### Please RESET the board ###\n");
1135 show_boot_progress(-30);
1136 for (;;);
1137 }
1138
1139 #ifdef CONFIG_MODEM_SUPPORT
1140 /* called from main loop (common/main.c) */
1141 /* 'inline' - We have to do it fast */
1142 static inline void mdm_readline(char *buf, int bufsiz)
1143 {
1144 char c;
1145 char *p;
1146 int n;
1147
1148 n = 0;
1149 p = buf;
1150 for(;;) {
1151 c = serial_getc();
1152
1153 /* dbg("(%c)", c); */
1154
1155 switch(c) {
1156 case '\r':
1157 break;
1158 case '\n':
1159 *p = '\0';
1160 return;
1161
1162 default:
1163 if(n++ > bufsiz) {
1164 *p = '\0';
1165 return; /* sanity check */
1166 }
1167 *p = c;
1168 p++;
1169 break;
1170 }
1171 }
1172 }
1173
1174 extern void dbg(const char *fmt, ...);
1175 int mdm_init (void)
1176 {
1177 char env_str[16];
1178 char *init_str;
1179 int i;
1180 extern char console_buffer[];
1181 extern void enable_putc(void);
1182 extern int hwflow_onoff(int);
1183
1184 enable_putc(); /* enable serial_putc() */
1185
1186 #ifdef CONFIG_HWFLOW
1187 init_str = getenv("mdm_flow_control");
1188 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1189 hwflow_onoff (1);
1190 else
1191 hwflow_onoff(-1);
1192 #endif
1193
1194 for (i = 1;;i++) {
1195 sprintf(env_str, "mdm_init%d", i);
1196 if ((init_str = getenv(env_str)) != NULL) {
1197 serial_puts(init_str);
1198 serial_puts("\n");
1199 for(;;) {
1200 mdm_readline(console_buffer, CFG_CBSIZE);
1201 dbg("ini%d: [%s]", i, console_buffer);
1202
1203 if ((strcmp(console_buffer, "OK") == 0) ||
1204 (strcmp(console_buffer, "ERROR") == 0)) {
1205 dbg("ini%d: cmd done", i);
1206 break;
1207 } else /* in case we are originating call ... */
1208 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1209 dbg("ini%d: connect", i);
1210 return 0;
1211 }
1212 }
1213 } else
1214 break; /* no init string - stop modem init */
1215
1216 udelay(100000);
1217 }
1218
1219 udelay(100000);
1220
1221 /* final stage - wait for connect */
1222 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1223 message from modem */
1224 mdm_readline(console_buffer, CFG_CBSIZE);
1225 dbg("ini_f: [%s]", console_buffer);
1226 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1227 dbg("ini_f: connected");
1228 return 0;
1229 }
1230 }
1231
1232 return 0;
1233 }
1234
1235 #endif
1236
1237 #if 0 /* We could use plain global data, but the resulting code is bigger */
1238 /*
1239 * Pointer to initial global data area
1240 *
1241 * Here we initialize it.
1242 */
1243 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1244 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1245 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1246 #endif /* 0 */
1247
1248 /************************************************************************/
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