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MPC512X: Cleanup bus clock names.
[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_MPC512X)
559 bd->bi_ipsfreq = gd->ips_clk;
560 #endif /* CONFIG_MPC512X */
561 #if defined(CONFIG_MPC5xxx)
562 bd->bi_ipbfreq = gd->ipb_clk;
563 bd->bi_pcifreq = gd->pci_clk;
564 #endif /* CONFIG_MPC5xxx */
565 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
566
567 #ifdef CFG_EXTBDINFO
568 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
569 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
570
571 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
572 bd->bi_plb_busfreq = gd->bus_clk;
573 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
574 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
575 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
576 bd->bi_pci_busfreq = get_PCI_freq ();
577 bd->bi_opbfreq = get_OPB_freq ();
578 #elif defined(CONFIG_XILINX_ML300)
579 bd->bi_pci_busfreq = get_PCI_freq ();
580 #endif
581 #endif
582
583 debug ("New Stack Pointer is: %08lx\n", addr_sp);
584
585 WATCHDOG_RESET ();
586
587 #ifdef CONFIG_POST
588 post_bootmode_init();
589 post_run (NULL, POST_ROM | post_bootmode_get(0));
590 #endif
591
592 WATCHDOG_RESET();
593
594 memcpy (id, (void *)gd, sizeof (gd_t));
595
596 relocate_code (addr_sp, id, addr);
597
598 /* NOTREACHED - relocate_code() does not return */
599 }
600
601 /************************************************************************
602 *
603 * This is the next part if the initialization sequence: we are now
604 * running from RAM and have a "normal" C environment, i. e. global
605 * data can be written, BSS has been cleared, the stack size in not
606 * that critical any more, etc.
607 *
608 ************************************************************************
609 */
610 void board_init_r (gd_t *id, ulong dest_addr)
611 {
612 cmd_tbl_t *cmdtp;
613 char *s, *e;
614 bd_t *bd;
615 int i;
616 extern void malloc_bin_reloc (void);
617 #ifndef CFG_ENV_IS_NOWHERE
618 extern char * env_name_spec;
619 #endif
620
621 #ifndef CFG_NO_FLASH
622 ulong flash_size;
623 #endif
624
625 gd = id; /* initialize RAM version of global data */
626 bd = gd->bd;
627
628 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
629
630 #if defined(CONFIG_RELOC_FIXUP_WORKS)
631 gd->reloc_off = 0;
632 mem_malloc_end = dest_addr;
633 #else
634 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
635 #endif
636
637 #ifdef CONFIG_SERIAL_MULTI
638 serial_initialize();
639 #endif
640
641 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
642
643 WATCHDOG_RESET ();
644
645 #if defined(CONFIG_BOARD_EARLY_INIT_R)
646 board_early_init_r ();
647 #endif
648
649 monitor_flash_len = (ulong)&__init_end - dest_addr;
650
651 /*
652 * We have to relocate the command table manually
653 */
654 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
655 ulong addr;
656 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
657 #if 0
658 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
659 cmdtp->name, (ulong) (cmdtp->cmd), addr);
660 #endif
661 cmdtp->cmd =
662 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
663
664 addr = (ulong)(cmdtp->name) + gd->reloc_off;
665 cmdtp->name = (char *)addr;
666
667 if (cmdtp->usage) {
668 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
669 cmdtp->usage = (char *)addr;
670 }
671 #ifdef CFG_LONGHELP
672 if (cmdtp->help) {
673 addr = (ulong)(cmdtp->help) + gd->reloc_off;
674 cmdtp->help = (char *)addr;
675 }
676 #endif
677 }
678 /* there are some other pointer constants we must deal with */
679 #ifndef CFG_ENV_IS_NOWHERE
680 env_name_spec += gd->reloc_off;
681 #endif
682
683 WATCHDOG_RESET ();
684
685 #ifdef CONFIG_LOGBUFFER
686 logbuff_init_ptrs ();
687 #endif
688 #ifdef CONFIG_POST
689 post_output_backlog ();
690 post_reloc ();
691 #endif
692
693 WATCHDOG_RESET();
694
695 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
696 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
697 icache_enable (); /* it's time to enable the instruction cache */
698 #endif
699
700 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
701 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
702 #endif
703
704 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
705 /*
706 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
707 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
708 * bridge there.
709 */
710 pci_init ();
711 #endif
712 #if defined(CONFIG_BAB7xx)
713 /*
714 * Initialise the ISA bridge
715 */
716 initialise_w83c553f ();
717 #endif
718
719 asm ("sync ; isync");
720
721 /*
722 * Setup trap handlers
723 */
724 trap_init (dest_addr);
725
726 #if !defined(CFG_NO_FLASH)
727 puts ("FLASH: ");
728
729 if ((flash_size = flash_init ()) > 0) {
730 # ifdef CFG_FLASH_CHECKSUM
731 print_size (flash_size, "");
732 /*
733 * Compute and print flash CRC if flashchecksum is set to 'y'
734 *
735 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
736 */
737 s = getenv ("flashchecksum");
738 if (s && (*s == 'y')) {
739 printf (" CRC: %08lX",
740 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
741 );
742 }
743 putc ('\n');
744 # else /* !CFG_FLASH_CHECKSUM */
745 print_size (flash_size, "\n");
746 # endif /* CFG_FLASH_CHECKSUM */
747 } else {
748 puts (failed);
749 hang ();
750 }
751
752 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
753 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
754
755 #if defined(CFG_UPDATE_FLASH_SIZE)
756 /* Make a update of the Memctrl. */
757 update_flash_size (flash_size);
758 #endif
759
760
761 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
762 /* flash mapped at end of memory map */
763 bd->bi_flashoffset = TEXT_BASE + flash_size;
764 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
765 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
766 # else
767 bd->bi_flashoffset = 0;
768 # endif
769 #else /* CFG_NO_FLASH */
770
771 bd->bi_flashsize = 0;
772 bd->bi_flashstart = 0;
773 bd->bi_flashoffset = 0;
774 #endif /* !CFG_NO_FLASH */
775
776 WATCHDOG_RESET ();
777
778 /* initialize higher level parts of CPU like time base and timers */
779 cpu_init_r ();
780
781 WATCHDOG_RESET ();
782
783 /* initialize malloc() area */
784 mem_malloc_init ();
785 malloc_bin_reloc ();
786
787 #ifdef CONFIG_SPI
788 # if !defined(CFG_ENV_IS_IN_EEPROM)
789 spi_init_f ();
790 # endif
791 spi_init_r ();
792 #endif
793
794 #if defined(CONFIG_CMD_NAND)
795 WATCHDOG_RESET ();
796 puts ("NAND: ");
797 nand_init(); /* go init the NAND */
798 #endif
799
800 /* relocate environment function pointers etc. */
801 env_relocate ();
802
803 /*
804 * Fill in missing fields of bd_info.
805 * We do this here, where we have "normal" access to the
806 * environment; we used to do this still running from ROM,
807 * where had to use getenv_r(), which can be pretty slow when
808 * the environment is in EEPROM.
809 */
810
811 #if defined(CFG_EXTBDINFO)
812 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
813 #if defined(CONFIG_I2CFAST)
814 /*
815 * set bi_iic_fast for linux taking environment variable
816 * "i2cfast" into account
817 */
818 {
819 char *s = getenv ("i2cfast");
820 if (s && ((*s == 'y') || (*s == 'Y'))) {
821 bd->bi_iic_fast[0] = 1;
822 bd->bi_iic_fast[1] = 1;
823 } else {
824 bd->bi_iic_fast[0] = 0;
825 bd->bi_iic_fast[1] = 0;
826 }
827 }
828 #else
829 bd->bi_iic_fast[0] = 0;
830 bd->bi_iic_fast[1] = 0;
831 #endif /* CONFIG_I2CFAST */
832 #endif /* CONFIG_405GP, CONFIG_405EP */
833 #endif /* CFG_EXTBDINFO */
834
835 #if defined(CONFIG_SC3)
836 sc3_read_eeprom();
837 #endif
838 s = getenv ("ethaddr");
839 #if defined (CONFIG_MBX) || \
840 defined (CONFIG_RPXCLASSIC) || \
841 defined(CONFIG_IAD210) || \
842 defined(CONFIG_V38B)
843 if (s == NULL)
844 board_get_enetaddr (bd->bi_enetaddr);
845 else
846 #endif
847 for (i = 0; i < 6; ++i) {
848 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
849 if (s)
850 s = (*e) ? e + 1 : e;
851 }
852 #ifdef CONFIG_HERMES
853 if ((gd->board_type >> 16) == 2)
854 bd->bi_ethspeed = gd->board_type & 0xFFFF;
855 else
856 bd->bi_ethspeed = 0xFFFF;
857 #endif
858
859 #ifdef CONFIG_NX823
860 load_sernum_ethaddr ();
861 #endif
862
863 #ifdef CONFIG_HAS_ETH1
864 /* handle the 2nd ethernet address */
865
866 s = getenv ("eth1addr");
867
868 for (i = 0; i < 6; ++i) {
869 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
870 if (s)
871 s = (*e) ? e + 1 : e;
872 }
873 #endif
874 #ifdef CONFIG_HAS_ETH2
875 /* handle the 3rd ethernet address */
876
877 s = getenv ("eth2addr");
878 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
879 if (s == NULL)
880 board_get_enetaddr(bd->bi_enet2addr);
881 else
882 #endif
883 for (i = 0; i < 6; ++i) {
884 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
885 if (s)
886 s = (*e) ? e + 1 : e;
887 }
888 #endif
889
890 #ifdef CONFIG_HAS_ETH3
891 /* handle 4th ethernet address */
892 s = getenv("eth3addr");
893 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
894 if (s == NULL)
895 board_get_enetaddr(bd->bi_enet3addr);
896 else
897 #endif
898 for (i = 0; i < 6; ++i) {
899 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
900 if (s)
901 s = (*e) ? e + 1 : e;
902 }
903 #endif
904
905 #ifdef CFG_ID_EEPROM
906 mac_read_from_eeprom();
907 #endif
908
909 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
910 defined(CONFIG_TQM8272) || \
911 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
912 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
913 load_sernum_ethaddr ();
914 #endif
915 /* IP Address */
916 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
917
918 WATCHDOG_RESET ();
919
920 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
921 /*
922 * Do pci configuration
923 */
924 pci_init ();
925 #endif
926
927 /** leave this here (after malloc(), environment and PCI are working) **/
928 /* Initialize devices */
929 devices_init ();
930
931 /* Initialize the jump table for applications */
932 jumptable_init ();
933
934 #if defined(CONFIG_API)
935 /* Initialize API */
936 api_init ();
937 #endif
938
939 /* Initialize the console (after the relocation and devices init) */
940 console_init_r ();
941
942 #if defined(CONFIG_CCM) || \
943 defined(CONFIG_COGENT) || \
944 defined(CONFIG_CPCI405) || \
945 defined(CONFIG_EVB64260) || \
946 defined(CONFIG_KUP4K) || \
947 defined(CONFIG_KUP4X) || \
948 defined(CONFIG_LWMON) || \
949 defined(CONFIG_PCU_E) || \
950 defined(CONFIG_SC3) || \
951 defined(CONFIG_W7O) || \
952 defined(CONFIG_MISC_INIT_R)
953 /* miscellaneous platform dependent initialisations */
954 misc_init_r ();
955 #endif
956
957 #ifdef CONFIG_HERMES
958 if (bd->bi_ethspeed != 0xFFFF)
959 hermes_start_lxt980 ((int) bd->bi_ethspeed);
960 #endif
961
962 #if defined(CONFIG_CMD_KGDB)
963 WATCHDOG_RESET ();
964 puts ("KGDB: ");
965 kgdb_init ();
966 #endif
967
968 debug ("U-Boot relocated to %08lx\n", dest_addr);
969
970 /*
971 * Enable Interrupts
972 */
973 interrupt_init ();
974
975 /* Must happen after interrupts are initialized since
976 * an irq handler gets installed
977 */
978 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
979 serial_buffered_init();
980 #endif
981
982 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
983 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
984 #endif
985
986 udelay (20);
987
988 set_timer (0);
989
990 /* Initialize from environment */
991 if ((s = getenv ("loadaddr")) != NULL) {
992 load_addr = simple_strtoul (s, NULL, 16);
993 }
994 #if defined(CONFIG_CMD_NET)
995 if ((s = getenv ("bootfile")) != NULL) {
996 copy_filename (BootFile, s, sizeof (BootFile));
997 }
998 #endif
999
1000 WATCHDOG_RESET ();
1001
1002 #if defined(CONFIG_CMD_SCSI)
1003 WATCHDOG_RESET ();
1004 puts ("SCSI: ");
1005 scsi_init ();
1006 #endif
1007
1008 #if defined(CONFIG_CMD_DOC)
1009 WATCHDOG_RESET ();
1010 puts ("DOC: ");
1011 doc_init ();
1012 #endif
1013
1014 #if defined(CONFIG_CMD_NET)
1015 #if defined(CONFIG_NET_MULTI)
1016 WATCHDOG_RESET ();
1017 puts ("Net: ");
1018 #endif
1019 eth_initialize (bd);
1020 #endif
1021
1022 #if defined(CONFIG_CMD_NET) && ( \
1023 defined(CONFIG_CCM) || \
1024 defined(CONFIG_ELPT860) || \
1025 defined(CONFIG_EP8260) || \
1026 defined(CONFIG_IP860) || \
1027 defined(CONFIG_IVML24) || \
1028 defined(CONFIG_IVMS8) || \
1029 defined(CONFIG_MPC8260ADS) || \
1030 defined(CONFIG_MPC8266ADS) || \
1031 defined(CONFIG_MPC8560ADS) || \
1032 defined(CONFIG_PCU_E) || \
1033 defined(CONFIG_RPXSUPER) || \
1034 defined(CONFIG_STXGP3) || \
1035 defined(CONFIG_SPD823TS) || \
1036 defined(CONFIG_RESET_PHY_R) )
1037
1038 WATCHDOG_RESET ();
1039 debug ("Reset Ethernet PHY\n");
1040 reset_phy ();
1041 #endif
1042
1043 #ifdef CONFIG_POST
1044 post_run (NULL, POST_RAM | post_bootmode_get(0));
1045 #endif
1046
1047 #if defined(CONFIG_CMD_PCMCIA) \
1048 && !defined(CONFIG_CMD_IDE)
1049 WATCHDOG_RESET ();
1050 puts ("PCMCIA:");
1051 pcmcia_init ();
1052 #endif
1053
1054 #if defined(CONFIG_CMD_IDE)
1055 WATCHDOG_RESET ();
1056 # ifdef CONFIG_IDE_8xx_PCCARD
1057 puts ("PCMCIA:");
1058 # else
1059 puts ("IDE: ");
1060 #endif
1061 #if defined(CONFIG_START_IDE)
1062 if (board_start_ide())
1063 ide_init ();
1064 #else
1065 ide_init ();
1066 #endif
1067 #endif
1068
1069 #ifdef CONFIG_LAST_STAGE_INIT
1070 WATCHDOG_RESET ();
1071 /*
1072 * Some parts can be only initialized if all others (like
1073 * Interrupts) are up and running (i.e. the PC-style ISA
1074 * keyboard).
1075 */
1076 last_stage_init ();
1077 #endif
1078
1079 #if defined(CONFIG_CMD_BEDBUG)
1080 WATCHDOG_RESET ();
1081 bedbug_init ();
1082 #endif
1083
1084 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1085 /*
1086 * Export available size of memory for Linux,
1087 * taking into account the protected RAM at top of memory
1088 */
1089 {
1090 ulong pram;
1091 uchar memsz[32];
1092 #ifdef CONFIG_PRAM
1093 char *s;
1094
1095 if ((s = getenv ("pram")) != NULL) {
1096 pram = simple_strtoul (s, NULL, 10);
1097 } else {
1098 pram = CONFIG_PRAM;
1099 }
1100 #else
1101 pram=0;
1102 #endif
1103 #ifdef CONFIG_LOGBUFFER
1104 /* Also take the logbuffer into account (pram is in kB) */
1105 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1106 #endif
1107 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1108 setenv ("mem", (char *)memsz);
1109 }
1110 #endif
1111
1112 #ifdef CONFIG_PS2KBD
1113 puts ("PS/2: ");
1114 kbd_init();
1115 #endif
1116
1117 #ifdef CONFIG_MODEM_SUPPORT
1118 {
1119 extern int do_mdm_init;
1120 do_mdm_init = gd->do_mdm_init;
1121 }
1122 #endif
1123
1124 /* Initialization complete - start the monitor */
1125
1126 /* main_loop() can return to retry autoboot, if so just run it again. */
1127 for (;;) {
1128 WATCHDOG_RESET ();
1129 main_loop ();
1130 }
1131
1132 /* NOTREACHED - no way out of command loop except booting */
1133 }
1134
1135 void hang (void)
1136 {
1137 puts ("### ERROR ### Please RESET the board ###\n");
1138 show_boot_progress(-30);
1139 for (;;);
1140 }
1141
1142 #ifdef CONFIG_MODEM_SUPPORT
1143 /* called from main loop (common/main.c) */
1144 /* 'inline' - We have to do it fast */
1145 static inline void mdm_readline(char *buf, int bufsiz)
1146 {
1147 char c;
1148 char *p;
1149 int n;
1150
1151 n = 0;
1152 p = buf;
1153 for(;;) {
1154 c = serial_getc();
1155
1156 /* dbg("(%c)", c); */
1157
1158 switch(c) {
1159 case '\r':
1160 break;
1161 case '\n':
1162 *p = '\0';
1163 return;
1164
1165 default:
1166 if(n++ > bufsiz) {
1167 *p = '\0';
1168 return; /* sanity check */
1169 }
1170 *p = c;
1171 p++;
1172 break;
1173 }
1174 }
1175 }
1176
1177 extern void dbg(const char *fmt, ...);
1178 int mdm_init (void)
1179 {
1180 char env_str[16];
1181 char *init_str;
1182 int i;
1183 extern char console_buffer[];
1184 extern void enable_putc(void);
1185 extern int hwflow_onoff(int);
1186
1187 enable_putc(); /* enable serial_putc() */
1188
1189 #ifdef CONFIG_HWFLOW
1190 init_str = getenv("mdm_flow_control");
1191 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1192 hwflow_onoff (1);
1193 else
1194 hwflow_onoff(-1);
1195 #endif
1196
1197 for (i = 1;;i++) {
1198 sprintf(env_str, "mdm_init%d", i);
1199 if ((init_str = getenv(env_str)) != NULL) {
1200 serial_puts(init_str);
1201 serial_puts("\n");
1202 for(;;) {
1203 mdm_readline(console_buffer, CFG_CBSIZE);
1204 dbg("ini%d: [%s]", i, console_buffer);
1205
1206 if ((strcmp(console_buffer, "OK") == 0) ||
1207 (strcmp(console_buffer, "ERROR") == 0)) {
1208 dbg("ini%d: cmd done", i);
1209 break;
1210 } else /* in case we are originating call ... */
1211 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1212 dbg("ini%d: connect", i);
1213 return 0;
1214 }
1215 }
1216 } else
1217 break; /* no init string - stop modem init */
1218
1219 udelay(100000);
1220 }
1221
1222 udelay(100000);
1223
1224 /* final stage - wait for connect */
1225 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1226 message from modem */
1227 mdm_readline(console_buffer, CFG_CBSIZE);
1228 dbg("ini_f: [%s]", console_buffer);
1229 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1230 dbg("ini_f: connected");
1231 return 0;
1232 }
1233 }
1234
1235 return 0;
1236 }
1237
1238 #endif
1239
1240 #if 0 /* We could use plain global data, but the resulting code is bigger */
1241 /*
1242 * Pointer to initial global data area
1243 *
1244 * Here we initialize it.
1245 */
1246 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1247 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1248 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1249 #endif /* 0 */
1250
1251 /************************************************************************/
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