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USB: This patch fix readl in ohci swap reg access.
[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 (CONFIG_COMMANDS & CFG_CMD_IDE)
39 #include <ide.h>
40 #endif
41 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
42 #include <scsi.h>
43 #endif
44 #if (CONFIG_COMMANDS & CFG_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_SOLIDCARD3)
80 extern void sc3_read_eeprom(void);
81 #endif
82
83 #if (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
143
144 mem_malloc_end = dest_addr;
145 mem_malloc_start = dest_addr - 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
313 checkcpu,
314 #if defined(CONFIG_MPC5xxx)
315 prt_mpc5xxx_clks,
316 #endif /* CONFIG_MPC5xxx */
317 #if defined(CONFIG_MPC8220)
318 prt_mpc8220_clks,
319 #endif
320 checkboard,
321 INIT_FUNC_WATCHDOG_INIT
322 #if defined(CONFIG_MISC_INIT_F)
323 misc_init_f,
324 #endif
325 INIT_FUNC_WATCHDOG_RESET
326 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
327 init_func_i2c,
328 #endif
329 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
330 dtt_init,
331 #endif
332 #ifdef CONFIG_POST
333 post_init_f,
334 #endif
335 INIT_FUNC_WATCHDOG_RESET
336 init_func_ram,
337 #if defined(CFG_DRAM_TEST)
338 testdram,
339 #endif /* CFG_DRAM_TEST */
340 INIT_FUNC_WATCHDOG_RESET
341
342 NULL, /* Terminate this list */
343 };
344
345 /************************************************************************
346 *
347 * This is the first part of the initialization sequence that is
348 * implemented in C, but still running from ROM.
349 *
350 * The main purpose is to provide a (serial) console interface as
351 * soon as possible (so we can see any error messages), and to
352 * initialize the RAM so that we can relocate the monitor code to
353 * RAM.
354 *
355 * Be aware of the restrictions: global data is read-only, BSS is not
356 * initialized, and stack space is limited to a few kB.
357 *
358 ************************************************************************
359 */
360
361 void board_init_f (ulong bootflag)
362 {
363 bd_t *bd;
364 ulong len, addr, addr_sp;
365 ulong *s;
366 gd_t *id;
367 init_fnc_t **init_fnc_ptr;
368 #ifdef CONFIG_PRAM
369 int i;
370 ulong reg;
371 uchar tmp[64]; /* long enough for environment variables */
372 #endif
373
374 /* Pointer is writable since we allocated a register for it */
375 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
376 /* compiler optimization barrier needed for GCC >= 3.4 */
377 __asm__ __volatile__("": : :"memory");
378
379 #if !defined(CONFIG_CPM2)
380 /* Clear initial global data */
381 memset ((void *) gd, 0, sizeof (gd_t));
382 #endif
383
384 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
385 if ((*init_fnc_ptr) () != 0) {
386 hang ();
387 }
388 }
389
390 /*
391 * Now that we have DRAM mapped and working, we can
392 * relocate the code and continue running from DRAM.
393 *
394 * Reserve memory at end of RAM for (top down in that order):
395 * - kernel log buffer
396 * - protected RAM
397 * - LCD framebuffer
398 * - monitor code
399 * - board info struct
400 */
401 len = (ulong)&_end - CFG_MONITOR_BASE;
402
403 #ifndef CONFIG_VERY_BIG_RAM
404 addr = CFG_SDRAM_BASE + gd->ram_size;
405 #else
406 /* only allow stack below 256M */
407 addr = CFG_SDRAM_BASE +
408 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
409 #endif
410
411 #ifdef CONFIG_LOGBUFFER
412 /* reserve kernel log buffer */
413 addr -= (LOGBUFF_RESERVE);
414 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
415 #endif
416
417 #ifdef CONFIG_PRAM
418 /*
419 * reserve protected RAM
420 */
421 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
422 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
423 addr -= (reg << 10); /* size is in kB */
424 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
425 #endif /* CONFIG_PRAM */
426
427 /* round down to next 4 kB limit */
428 addr &= ~(4096 - 1);
429 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
430
431 #ifdef CONFIG_LCD
432 /* reserve memory for LCD display (always full pages) */
433 addr = lcd_setmem (addr);
434 gd->fb_base = addr;
435 #endif /* CONFIG_LCD */
436
437 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
438 /* reserve memory for video display (always full pages) */
439 addr = video_setmem (addr);
440 gd->fb_base = addr;
441 #endif /* CONFIG_VIDEO */
442
443 /*
444 * reserve memory for U-Boot code, data & bss
445 * round down to next 4 kB limit
446 */
447 addr -= len;
448 addr &= ~(4096 - 1);
449 #ifdef CONFIG_E500
450 /* round down to next 64 kB limit so that IVPR stays aligned */
451 addr &= ~(65536 - 1);
452 #endif
453
454 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
455
456 #ifdef CONFIG_AMIGAONEG3SE
457 gd->relocaddr = addr;
458 #endif
459
460 /*
461 * reserve memory for malloc() arena
462 */
463 addr_sp = addr - TOTAL_MALLOC_LEN;
464 debug ("Reserving %dk for malloc() at: %08lx\n",
465 TOTAL_MALLOC_LEN >> 10, addr_sp);
466
467 /*
468 * (permanently) allocate a Board Info struct
469 * and a permanent copy of the "global" data
470 */
471 addr_sp -= sizeof (bd_t);
472 bd = (bd_t *) addr_sp;
473 gd->bd = bd;
474 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
475 sizeof (bd_t), addr_sp);
476 addr_sp -= sizeof (gd_t);
477 id = (gd_t *) addr_sp;
478 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
479 sizeof (gd_t), addr_sp);
480
481 /*
482 * Finally, we set up a new (bigger) stack.
483 *
484 * Leave some safety gap for SP, force alignment on 16 byte boundary
485 * Clear initial stack frame
486 */
487 addr_sp -= 16;
488 addr_sp &= ~0xF;
489 s = (ulong *)addr_sp;
490 *s-- = 0;
491 *s-- = 0;
492 addr_sp = (ulong)s;
493 debug ("Stack Pointer at: %08lx\n", addr_sp);
494
495 /*
496 * Save local variables to board info struct
497 */
498
499 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
500 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
501
502 #ifdef CONFIG_IP860
503 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
504 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
505 #elif defined CONFIG_MPC8220
506 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
507 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
508 #else
509 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
510 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
511 #endif
512
513 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
514 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
515 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
516 #endif
517 #if defined(CONFIG_MPC5xxx)
518 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
519 #endif
520 #if defined(CONFIG_MPC83XX)
521 bd->bi_immrbar = CFG_IMMR;
522 #endif
523 #if defined(CONFIG_MPC8220)
524 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
525 bd->bi_inpfreq = gd->inp_clk;
526 bd->bi_pcifreq = gd->pci_clk;
527 bd->bi_vcofreq = gd->vco_clk;
528 bd->bi_pevfreq = gd->pev_clk;
529 bd->bi_flbfreq = gd->flb_clk;
530
531 /* store bootparam to sram (backward compatible), here? */
532 {
533 u32 *sram = (u32 *)CFG_SRAM_BASE;
534 *sram++ = gd->ram_size;
535 *sram++ = gd->bus_clk;
536 *sram++ = gd->inp_clk;
537 *sram++ = gd->cpu_clk;
538 *sram++ = gd->vco_clk;
539 *sram++ = gd->flb_clk;
540 *sram++ = 0xb8c3ba11; /* boot signature */
541 }
542 #endif
543
544 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
545
546 WATCHDOG_RESET ();
547 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
548 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
549 #if defined(CONFIG_CPM2)
550 bd->bi_cpmfreq = gd->cpm_clk;
551 bd->bi_brgfreq = gd->brg_clk;
552 bd->bi_sccfreq = gd->scc_clk;
553 bd->bi_vco = gd->vco_out;
554 #endif /* CONFIG_CPM2 */
555 #if defined(CONFIG_MPC5xxx)
556 bd->bi_ipbfreq = gd->ipb_clk;
557 bd->bi_pcifreq = gd->pci_clk;
558 #endif /* CONFIG_MPC5xxx */
559 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
560
561 #ifdef CFG_EXTBDINFO
562 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
563 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
564
565 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
566 bd->bi_plb_busfreq = gd->bus_clk;
567 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
568 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
569 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
570 bd->bi_pci_busfreq = get_PCI_freq ();
571 bd->bi_opbfreq = get_OPB_freq ();
572 #elif defined(CONFIG_XILINX_ML300)
573 bd->bi_pci_busfreq = get_PCI_freq ();
574 #endif
575 #endif
576
577 debug ("New Stack Pointer is: %08lx\n", addr_sp);
578
579 WATCHDOG_RESET ();
580
581 #ifdef CONFIG_POST
582 post_bootmode_init();
583 post_run (NULL, POST_ROM | post_bootmode_get(0));
584 #endif
585
586 WATCHDOG_RESET();
587
588 memcpy (id, (void *)gd, sizeof (gd_t));
589
590 relocate_code (addr_sp, id, addr);
591
592 /* NOTREACHED - relocate_code() does not return */
593 }
594
595 /************************************************************************
596 *
597 * This is the next part if the initialization sequence: we are now
598 * running from RAM and have a "normal" C environment, i. e. global
599 * data can be written, BSS has been cleared, the stack size in not
600 * that critical any more, etc.
601 *
602 ************************************************************************
603 */
604 void board_init_r (gd_t *id, ulong dest_addr)
605 {
606 cmd_tbl_t *cmdtp;
607 char *s, *e;
608 bd_t *bd;
609 int i;
610 extern void malloc_bin_reloc (void);
611 #ifndef CFG_ENV_IS_NOWHERE
612 extern char * env_name_spec;
613 #endif
614
615 #ifndef CFG_NO_FLASH
616 ulong flash_size;
617 #endif
618
619 gd = id; /* initialize RAM version of global data */
620 bd = gd->bd;
621
622 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
623 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
624
625 #ifdef CONFIG_SERIAL_MULTI
626 serial_initialize();
627 #endif
628
629 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
630
631 WATCHDOG_RESET ();
632
633 #if defined(CONFIG_BOARD_EARLY_INIT_R)
634 board_early_init_r ();
635 #endif
636
637 monitor_flash_len = (ulong)&__init_end - dest_addr;
638
639 /*
640 * We have to relocate the command table manually
641 */
642 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
643 ulong addr;
644 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
645 #if 0
646 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
647 cmdtp->name, (ulong) (cmdtp->cmd), addr);
648 #endif
649 cmdtp->cmd =
650 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
651
652 addr = (ulong)(cmdtp->name) + gd->reloc_off;
653 cmdtp->name = (char *)addr;
654
655 if (cmdtp->usage) {
656 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
657 cmdtp->usage = (char *)addr;
658 }
659 #ifdef CFG_LONGHELP
660 if (cmdtp->help) {
661 addr = (ulong)(cmdtp->help) + gd->reloc_off;
662 cmdtp->help = (char *)addr;
663 }
664 #endif
665 }
666 /* there are some other pointer constants we must deal with */
667 #ifndef CFG_ENV_IS_NOWHERE
668 env_name_spec += gd->reloc_off;
669 #endif
670
671 WATCHDOG_RESET ();
672
673 #ifdef CONFIG_LOGBUFFER
674 logbuff_init_ptrs ();
675 #endif
676 #ifdef CONFIG_POST
677 post_output_backlog ();
678 post_reloc ();
679 #endif
680
681 WATCHDOG_RESET();
682
683 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
684 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
685 icache_enable (); /* it's time to enable the instruction cache */
686 #endif
687
688 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
689 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
690 #endif
691
692 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
693 /*
694 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
695 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
696 * bridge there.
697 */
698 pci_init ();
699 #endif
700 #if defined(CONFIG_BAB7xx)
701 /*
702 * Initialise the ISA bridge
703 */
704 initialise_w83c553f ();
705 #endif
706
707 asm ("sync ; isync");
708
709 /*
710 * Setup trap handlers
711 */
712 trap_init (dest_addr);
713
714 #if !defined(CFG_NO_FLASH)
715 puts ("FLASH: ");
716
717 if ((flash_size = flash_init ()) > 0) {
718 # ifdef CFG_FLASH_CHECKSUM
719 print_size (flash_size, "");
720 /*
721 * Compute and print flash CRC if flashchecksum is set to 'y'
722 *
723 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
724 */
725 s = getenv ("flashchecksum");
726 if (s && (*s == 'y')) {
727 printf (" CRC: %08lX",
728 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
729 );
730 }
731 putc ('\n');
732 # else /* !CFG_FLASH_CHECKSUM */
733 print_size (flash_size, "\n");
734 # endif /* CFG_FLASH_CHECKSUM */
735 } else {
736 puts (failed);
737 hang ();
738 }
739
740 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
741 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
742
743 #if defined(CFG_UPDATE_FLASH_SIZE)
744 /* Make a update of the Memctrl. */
745 update_flash_size (flash_size);
746 #endif
747
748
749 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
750 /* flash mapped at end of memory map */
751 bd->bi_flashoffset = TEXT_BASE + flash_size;
752 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
753 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
754 # else
755 bd->bi_flashoffset = 0;
756 # endif
757 #else /* CFG_NO_FLASH */
758
759 bd->bi_flashsize = 0;
760 bd->bi_flashstart = 0;
761 bd->bi_flashoffset = 0;
762 #endif /* !CFG_NO_FLASH */
763
764 WATCHDOG_RESET ();
765
766 /* initialize higher level parts of CPU like time base and timers */
767 cpu_init_r ();
768
769 WATCHDOG_RESET ();
770
771 /* initialize malloc() area */
772 mem_malloc_init ();
773 malloc_bin_reloc ();
774
775 #ifdef CONFIG_SPI
776 # if !defined(CFG_ENV_IS_IN_EEPROM)
777 spi_init_f ();
778 # endif
779 spi_init_r ();
780 #endif
781
782 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
783 WATCHDOG_RESET ();
784 puts ("NAND: ");
785 nand_init(); /* go init the NAND */
786 #endif
787
788 /* relocate environment function pointers etc. */
789 env_relocate ();
790
791 /*
792 * Fill in missing fields of bd_info.
793 * We do this here, where we have "normal" access to the
794 * environment; we used to do this still running from ROM,
795 * where had to use getenv_r(), which can be pretty slow when
796 * the environment is in EEPROM.
797 */
798
799 #if defined(CFG_EXTBDINFO)
800 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
801 #if defined(CONFIG_I2CFAST)
802 /*
803 * set bi_iic_fast for linux taking environment variable
804 * "i2cfast" into account
805 */
806 {
807 char *s = getenv ("i2cfast");
808 if (s && ((*s == 'y') || (*s == 'Y'))) {
809 bd->bi_iic_fast[0] = 1;
810 bd->bi_iic_fast[1] = 1;
811 } else {
812 bd->bi_iic_fast[0] = 0;
813 bd->bi_iic_fast[1] = 0;
814 }
815 }
816 #else
817 bd->bi_iic_fast[0] = 0;
818 bd->bi_iic_fast[1] = 0;
819 #endif /* CONFIG_I2CFAST */
820 #endif /* CONFIG_405GP, CONFIG_405EP */
821 #endif /* CFG_EXTBDINFO */
822
823 #if defined(CONFIG_SOLIDCARD3)
824 sc3_read_eeprom();
825 #endif
826 s = getenv ("ethaddr");
827 #if defined (CONFIG_MBX) || \
828 defined (CONFIG_RPXCLASSIC) || \
829 defined(CONFIG_IAD210) || \
830 defined(CONFIG_V38B)
831 if (s == NULL)
832 board_get_enetaddr (bd->bi_enetaddr);
833 else
834 #endif
835 for (i = 0; i < 6; ++i) {
836 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
837 if (s)
838 s = (*e) ? e + 1 : e;
839 }
840 #ifdef CONFIG_HERMES
841 if ((gd->board_type >> 16) == 2)
842 bd->bi_ethspeed = gd->board_type & 0xFFFF;
843 else
844 bd->bi_ethspeed = 0xFFFF;
845 #endif
846
847 #ifdef CONFIG_NX823
848 load_sernum_ethaddr ();
849 #endif
850
851 #ifdef CONFIG_HAS_ETH1
852 /* handle the 2nd ethernet address */
853
854 s = getenv ("eth1addr");
855
856 for (i = 0; i < 6; ++i) {
857 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
858 if (s)
859 s = (*e) ? e + 1 : e;
860 }
861 #endif
862 #ifdef CONFIG_HAS_ETH2
863 /* handle the 3rd ethernet address */
864
865 s = getenv ("eth2addr");
866 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
867 if (s == NULL)
868 board_get_enetaddr(bd->bi_enet2addr);
869 else
870 #endif
871 for (i = 0; i < 6; ++i) {
872 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
873 if (s)
874 s = (*e) ? e + 1 : e;
875 }
876 #endif
877
878 #ifdef CONFIG_HAS_ETH3
879 /* handle 4th ethernet address */
880 s = getenv("eth3addr");
881 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
882 if (s == NULL)
883 board_get_enetaddr(bd->bi_enet3addr);
884 else
885 #endif
886 for (i = 0; i < 6; ++i) {
887 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
888 if (s)
889 s = (*e) ? e + 1 : e;
890 }
891 #endif
892
893 #ifdef CFG_ID_EEPROM
894 mac_read_from_eeprom();
895 #endif
896
897 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
898 defined(CONFIG_TQM8272) || \
899 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
900 load_sernum_ethaddr ();
901 #endif
902 /* IP Address */
903 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
904
905 WATCHDOG_RESET ();
906
907 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
908 /*
909 * Do pci configuration
910 */
911 pci_init ();
912 #endif
913
914 /** leave this here (after malloc(), environment and PCI are working) **/
915 /* Initialize devices */
916 devices_init ();
917
918 /* Initialize the jump table for applications */
919 jumptable_init ();
920
921 /* Initialize the console (after the relocation and devices init) */
922 console_init_r ();
923
924 #if defined(CONFIG_CCM) || \
925 defined(CONFIG_COGENT) || \
926 defined(CONFIG_CPCI405) || \
927 defined(CONFIG_EVB64260) || \
928 defined(CONFIG_KUP4K) || \
929 defined(CONFIG_KUP4X) || \
930 defined(CONFIG_LWMON) || \
931 defined(CONFIG_PCU_E) || \
932 defined(CONFIG_SOLIDCARD3) || \
933 defined(CONFIG_W7O) || \
934 defined(CONFIG_MISC_INIT_R)
935 /* miscellaneous platform dependent initialisations */
936 misc_init_r ();
937 #endif
938
939 #ifdef CONFIG_HERMES
940 if (bd->bi_ethspeed != 0xFFFF)
941 hermes_start_lxt980 ((int) bd->bi_ethspeed);
942 #endif
943
944 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
945 WATCHDOG_RESET ();
946 puts ("KGDB: ");
947 kgdb_init ();
948 #endif
949
950 debug ("U-Boot relocated to %08lx\n", dest_addr);
951
952 /*
953 * Enable Interrupts
954 */
955 interrupt_init ();
956
957 /* Must happen after interrupts are initialized since
958 * an irq handler gets installed
959 */
960 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
961 serial_buffered_init();
962 #endif
963
964 #ifdef CONFIG_STATUS_LED
965 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
966 #endif
967
968 udelay (20);
969
970 set_timer (0);
971
972 /* Initialize from environment */
973 if ((s = getenv ("loadaddr")) != NULL) {
974 load_addr = simple_strtoul (s, NULL, 16);
975 }
976 #if (CONFIG_COMMANDS & CFG_CMD_NET)
977 if ((s = getenv ("bootfile")) != NULL) {
978 copy_filename (BootFile, s, sizeof (BootFile));
979 }
980 #endif /* CFG_CMD_NET */
981
982 WATCHDOG_RESET ();
983
984 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
985 WATCHDOG_RESET ();
986 puts ("SCSI: ");
987 scsi_init ();
988 #endif
989
990 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
991 WATCHDOG_RESET ();
992 puts ("DOC: ");
993 doc_init ();
994 #endif
995
996 #if (CONFIG_COMMANDS & CFG_CMD_NET)
997 #if defined(CONFIG_NET_MULTI)
998 WATCHDOG_RESET ();
999 puts ("Net: ");
1000 #endif
1001 eth_initialize (bd);
1002 #endif
1003
1004 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
1005 defined(CONFIG_CCM) || \
1006 defined(CONFIG_ELPT860) || \
1007 defined(CONFIG_EP8260) || \
1008 defined(CONFIG_IP860) || \
1009 defined(CONFIG_IVML24) || \
1010 defined(CONFIG_IVMS8) || \
1011 defined(CONFIG_MPC8260ADS) || \
1012 defined(CONFIG_MPC8266ADS) || \
1013 defined(CONFIG_MPC8560ADS) || \
1014 defined(CONFIG_PCU_E) || \
1015 defined(CONFIG_RPXSUPER) || \
1016 defined(CONFIG_STXGP3) || \
1017 defined(CONFIG_SPD823TS) || \
1018 defined(CONFIG_RESET_PHY_R) )
1019
1020 WATCHDOG_RESET ();
1021 debug ("Reset Ethernet PHY\n");
1022 reset_phy ();
1023 #endif
1024
1025 #ifdef CONFIG_POST
1026 post_run (NULL, POST_RAM | post_bootmode_get(0));
1027 #endif
1028
1029 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1030 WATCHDOG_RESET ();
1031 puts ("PCMCIA:");
1032 pcmcia_init ();
1033 #endif
1034
1035 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1036 WATCHDOG_RESET ();
1037 # ifdef CONFIG_IDE_8xx_PCCARD
1038 puts ("PCMCIA:");
1039 # else
1040 puts ("IDE: ");
1041 #endif
1042 #if defined(CONFIG_START_IDE)
1043 if (board_start_ide())
1044 ide_init ();
1045 #else
1046 ide_init ();
1047 #endif
1048 #endif /* CFG_CMD_IDE */
1049
1050 #ifdef CONFIG_LAST_STAGE_INIT
1051 WATCHDOG_RESET ();
1052 /*
1053 * Some parts can be only initialized if all others (like
1054 * Interrupts) are up and running (i.e. the PC-style ISA
1055 * keyboard).
1056 */
1057 last_stage_init ();
1058 #endif
1059
1060 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1061 WATCHDOG_RESET ();
1062 bedbug_init ();
1063 #endif
1064
1065 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1066 /*
1067 * Export available size of memory for Linux,
1068 * taking into account the protected RAM at top of memory
1069 */
1070 {
1071 ulong pram;
1072 uchar memsz[32];
1073 #ifdef CONFIG_PRAM
1074 char *s;
1075
1076 if ((s = getenv ("pram")) != NULL) {
1077 pram = simple_strtoul (s, NULL, 10);
1078 } else {
1079 pram = CONFIG_PRAM;
1080 }
1081 #else
1082 pram=0;
1083 #endif
1084 #ifdef CONFIG_LOGBUFFER
1085 /* Also take the logbuffer into account (pram is in kB) */
1086 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1087 #endif
1088 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1089 setenv ("mem", (char *)memsz);
1090 }
1091 #endif
1092
1093 #ifdef CONFIG_PS2KBD
1094 puts ("PS/2: ");
1095 kbd_init();
1096 #endif
1097
1098 #ifdef CONFIG_MODEM_SUPPORT
1099 {
1100 extern int do_mdm_init;
1101 do_mdm_init = gd->do_mdm_init;
1102 }
1103 #endif
1104
1105 /* Initialization complete - start the monitor */
1106
1107 /* main_loop() can return to retry autoboot, if so just run it again. */
1108 for (;;) {
1109 WATCHDOG_RESET ();
1110 main_loop ();
1111 }
1112
1113 /* NOTREACHED - no way out of command loop except booting */
1114 }
1115
1116 void hang (void)
1117 {
1118 puts ("### ERROR ### Please RESET the board ###\n");
1119 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1120 show_boot_progress(-30);
1121 #endif
1122 for (;;);
1123 }
1124
1125 #ifdef CONFIG_MODEM_SUPPORT
1126 /* called from main loop (common/main.c) */
1127 /* 'inline' - We have to do it fast */
1128 static inline void mdm_readline(char *buf, int bufsiz)
1129 {
1130 char c;
1131 char *p;
1132 int n;
1133
1134 n = 0;
1135 p = buf;
1136 for(;;) {
1137 c = serial_getc();
1138
1139 /* dbg("(%c)", c); */
1140
1141 switch(c) {
1142 case '\r':
1143 break;
1144 case '\n':
1145 *p = '\0';
1146 return;
1147
1148 default:
1149 if(n++ > bufsiz) {
1150 *p = '\0';
1151 return; /* sanity check */
1152 }
1153 *p = c;
1154 p++;
1155 break;
1156 }
1157 }
1158 }
1159
1160 extern void dbg(const char *fmt, ...);
1161 int mdm_init (void)
1162 {
1163 char env_str[16];
1164 char *init_str;
1165 int i;
1166 extern char console_buffer[];
1167 extern void enable_putc(void);
1168 extern int hwflow_onoff(int);
1169
1170 enable_putc(); /* enable serial_putc() */
1171
1172 #ifdef CONFIG_HWFLOW
1173 init_str = getenv("mdm_flow_control");
1174 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1175 hwflow_onoff (1);
1176 else
1177 hwflow_onoff(-1);
1178 #endif
1179
1180 for (i = 1;;i++) {
1181 sprintf(env_str, "mdm_init%d", i);
1182 if ((init_str = getenv(env_str)) != NULL) {
1183 serial_puts(init_str);
1184 serial_puts("\n");
1185 for(;;) {
1186 mdm_readline(console_buffer, CFG_CBSIZE);
1187 dbg("ini%d: [%s]", i, console_buffer);
1188
1189 if ((strcmp(console_buffer, "OK") == 0) ||
1190 (strcmp(console_buffer, "ERROR") == 0)) {
1191 dbg("ini%d: cmd done", i);
1192 break;
1193 } else /* in case we are originating call ... */
1194 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1195 dbg("ini%d: connect", i);
1196 return 0;
1197 }
1198 }
1199 } else
1200 break; /* no init string - stop modem init */
1201
1202 udelay(100000);
1203 }
1204
1205 udelay(100000);
1206
1207 /* final stage - wait for connect */
1208 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1209 message from modem */
1210 mdm_readline(console_buffer, CFG_CBSIZE);
1211 dbg("ini_f: [%s]", console_buffer);
1212 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1213 dbg("ini_f: connected");
1214 return 0;
1215 }
1216 }
1217
1218 return 0;
1219 }
1220
1221 #endif
1222
1223 #if 0 /* We could use plain global data, but the resulting code is bigger */
1224 /*
1225 * Pointer to initial global data area
1226 *
1227 * Here we initialize it.
1228 */
1229 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1230 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1231 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1232 #endif /* 0 */
1233
1234 /************************************************************************/
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