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boards: move board_get_enetaddr() into board-specific init
[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 #ifdef CONFIG_GENERIC_MMC
52 #include <mmc.h>
53 #endif
54 #include <serial.h>
55 #ifdef CONFIG_SYS_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
57 #include <commproc.h>
58 #endif
59 #endif
60 #include <version.h>
61 #if defined(CONFIG_BAB7xx)
62 #include <w83c553f.h>
63 #endif
64 #include <dtt.h>
65 #if defined(CONFIG_POST)
66 #include <post.h>
67 #endif
68 #if defined(CONFIG_LOGBUFFER)
69 #include <logbuff.h>
70 #endif
71 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
73 #endif
74 #ifdef CONFIG_PS2KBD
75 #include <keyboard.h>
76 #endif
77
78 #ifdef CONFIG_ADDR_MAP
79 #include <asm/mmu.h>
80 #endif
81
82 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
83 extern int update_flash_size (int flash_size);
84 #endif
85
86 #if defined(CONFIG_SC3)
87 extern void sc3_read_eeprom(void);
88 #endif
89
90 #if defined(CONFIG_CMD_DOC)
91 void doc_init (void);
92 #endif
93 #if defined(CONFIG_HARD_I2C) || \
94 defined(CONFIG_SOFT_I2C)
95 #include <i2c.h>
96 #endif
97 #include <spi.h>
98 #include <nand.h>
99
100 static char *failed = "*** failed ***\n";
101
102 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
103 extern flash_info_t flash_info[];
104 #endif
105
106 #if defined(CONFIG_START_IDE)
107 extern int board_start_ide(void);
108 #endif
109 #include <environment.h>
110
111 DECLARE_GLOBAL_DATA_PTR;
112
113 #if defined(CONFIG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
115 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
116 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
117 defined(CONFIG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
119 #else
120 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
121 #endif
122
123 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
124 #define CONFIG_SYS_MEM_TOP_HIDE 0
125 #endif
126
127 extern ulong __init_end;
128 extern ulong _end;
129 ulong monitor_flash_len;
130
131 #if defined(CONFIG_CMD_BEDBUG)
132 #include <bedbug/type.h>
133 #endif
134
135 /*
136 * Begin and End of memory area for malloc(), and current "brk"
137 */
138 static ulong mem_malloc_start = 0;
139 static ulong mem_malloc_end = 0;
140 static ulong mem_malloc_brk = 0;
141
142 /************************************************************************
143 * Utilities *
144 ************************************************************************
145 */
146
147 /*
148 * The Malloc area is immediately below the monitor copy in DRAM
149 */
150 static void mem_malloc_init (void)
151 {
152 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
153 mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
154 #endif
155 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
156 mem_malloc_brk = mem_malloc_start;
157
158 memset ((void *) mem_malloc_start,
159 0,
160 mem_malloc_end - mem_malloc_start);
161 }
162
163 void *sbrk (ptrdiff_t increment)
164 {
165 ulong old = mem_malloc_brk;
166 ulong new = old + increment;
167
168 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
169 return (NULL);
170 }
171 mem_malloc_brk = new;
172 return ((void *) old);
173 }
174
175 /*
176 * All attempts to come up with a "common" initialization sequence
177 * that works for all boards and architectures failed: some of the
178 * requirements are just _too_ different. To get rid of the resulting
179 * mess of board dependend #ifdef'ed code we now make the whole
180 * initialization sequence configurable to the user.
181 *
182 * The requirements for any new initalization function is simple: it
183 * receives a pointer to the "global data" structure as it's only
184 * argument, and returns an integer return code, where 0 means
185 * "continue" and != 0 means "fatal error, hang the system".
186 */
187 typedef int (init_fnc_t) (void);
188
189 /************************************************************************
190 * Init Utilities *
191 ************************************************************************
192 * Some of this code should be moved into the core functions,
193 * but let's get it working (again) first...
194 */
195
196 static int init_baudrate (void)
197 {
198 char tmp[64]; /* long enough for environment variables */
199 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
200
201 gd->baudrate = (i > 0)
202 ? (int) simple_strtoul (tmp, NULL, 10)
203 : CONFIG_BAUDRATE;
204 return (0);
205 }
206
207 /***********************************************************************/
208
209 void __board_add_ram_info(int use_default)
210 {
211 /* please define platform specific board_add_ram_info() */
212 }
213 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
214
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 board_add_ram_info(0);
228 putc('\n');
229 return (0);
230 }
231 puts (failed);
232 return (1);
233 }
234
235 /***********************************************************************/
236
237 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
238 static int init_func_i2c (void)
239 {
240 puts ("I2C: ");
241 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
242 puts ("ready\n");
243 return (0);
244 }
245 #endif
246
247 #if defined(CONFIG_HARD_SPI)
248 static int init_func_spi (void)
249 {
250 puts ("SPI: ");
251 spi_init ();
252 puts ("ready\n");
253 return (0);
254 }
255 #endif
256
257 /***********************************************************************/
258
259 #if defined(CONFIG_WATCHDOG)
260 static int init_func_watchdog_init (void)
261 {
262 puts (" Watchdog enabled\n");
263 WATCHDOG_RESET ();
264 return (0);
265 }
266 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
267
268 static int init_func_watchdog_reset (void)
269 {
270 WATCHDOG_RESET ();
271 return (0);
272 }
273 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
274 #else
275 # define INIT_FUNC_WATCHDOG_INIT /* undef */
276 # define INIT_FUNC_WATCHDOG_RESET /* undef */
277 #endif /* CONFIG_WATCHDOG */
278
279 /************************************************************************
280 * Initialization sequence *
281 ************************************************************************
282 */
283
284 init_fnc_t *init_sequence[] = {
285
286 #if defined(CONFIG_BOARD_EARLY_INIT_F)
287 board_early_init_f,
288 #endif
289
290 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
291 get_clocks, /* get CPU and bus clocks (etc.) */
292 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
293 && !defined(CONFIG_TQM885D)
294 adjust_sdram_tbs_8xx,
295 #endif
296 init_timebase,
297 #endif
298 #ifdef CONFIG_SYS_ALLOC_DPRAM
299 #if !defined(CONFIG_CPM2)
300 dpram_init,
301 #endif
302 #endif
303 #if defined(CONFIG_BOARD_POSTCLK_INIT)
304 board_postclk_init,
305 #endif
306 env_init,
307 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
308 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
309 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
310 init_timebase,
311 #endif
312 init_baudrate,
313 serial_init,
314 console_init_f,
315 display_options,
316 #if defined(CONFIG_8260)
317 prt_8260_rsr,
318 prt_8260_clks,
319 #endif /* CONFIG_8260 */
320 #if defined(CONFIG_MPC83XX)
321 prt_83xx_rsr,
322 #endif
323 checkcpu,
324 #if defined(CONFIG_MPC5xxx)
325 prt_mpc5xxx_clks,
326 #endif /* CONFIG_MPC5xxx */
327 #if defined(CONFIG_MPC8220)
328 prt_mpc8220_clks,
329 #endif
330 checkboard,
331 INIT_FUNC_WATCHDOG_INIT
332 #if defined(CONFIG_MISC_INIT_F)
333 misc_init_f,
334 #endif
335 INIT_FUNC_WATCHDOG_RESET
336 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
337 init_func_i2c,
338 #endif
339 #if defined(CONFIG_HARD_SPI)
340 init_func_spi,
341 #endif
342 #ifdef CONFIG_POST
343 post_init_f,
344 #endif
345 INIT_FUNC_WATCHDOG_RESET
346 init_func_ram,
347 #if defined(CONFIG_SYS_DRAM_TEST)
348 testdram,
349 #endif /* CONFIG_SYS_DRAM_TEST */
350 INIT_FUNC_WATCHDOG_RESET
351
352 NULL, /* Terminate this list */
353 };
354
355 ulong get_effective_memsize(void)
356 {
357 #ifndef CONFIG_VERY_BIG_RAM
358 return gd->ram_size;
359 #else
360 /* limit stack to what we can reasonable map */
361 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
362 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
363 #endif
364 }
365
366 /************************************************************************
367 *
368 * This is the first part of the initialization sequence that is
369 * implemented in C, but still running from ROM.
370 *
371 * The main purpose is to provide a (serial) console interface as
372 * soon as possible (so we can see any error messages), and to
373 * initialize the RAM so that we can relocate the monitor code to
374 * RAM.
375 *
376 * Be aware of the restrictions: global data is read-only, BSS is not
377 * initialized, and stack space is limited to a few kB.
378 *
379 ************************************************************************
380 */
381
382 #ifdef CONFIG_LOGBUFFER
383 unsigned long logbuffer_base(void)
384 {
385 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
386 }
387 #endif
388
389 void board_init_f (ulong bootflag)
390 {
391 bd_t *bd;
392 ulong len, addr, addr_sp;
393 ulong *s;
394 gd_t *id;
395 init_fnc_t **init_fnc_ptr;
396 #ifdef CONFIG_PRAM
397 int i;
398 ulong reg;
399 uchar tmp[64]; /* long enough for environment variables */
400 #endif
401
402 /* Pointer is writable since we allocated a register for it */
403 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
404 /* compiler optimization barrier needed for GCC >= 3.4 */
405 __asm__ __volatile__("": : :"memory");
406
407 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
408 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
409 /* Clear initial global data */
410 memset ((void *) gd, 0, sizeof (gd_t));
411 #endif
412
413 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
414 if ((*init_fnc_ptr) () != 0) {
415 hang ();
416 }
417 }
418
419 /*
420 * Now that we have DRAM mapped and working, we can
421 * relocate the code and continue running from DRAM.
422 *
423 * Reserve memory at end of RAM for (top down in that order):
424 * - area that won't get touched by U-Boot and Linux (optional)
425 * - kernel log buffer
426 * - protected RAM
427 * - LCD framebuffer
428 * - monitor code
429 * - board info struct
430 */
431 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
432
433 /*
434 * Subtract specified amount of memory to hide so that it won't
435 * get "touched" at all by U-Boot. By fixing up gd->ram_size
436 * the Linux kernel should now get passed the now "corrected"
437 * memory size and won't touch it either. This should work
438 * for arch/ppc and arch/powerpc. Only Linux board ports in
439 * arch/powerpc with bootwrapper support, that recalculate the
440 * memory size from the SDRAM controller setup will have to
441 * get fixed.
442 */
443 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
444
445 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
446
447 #ifdef CONFIG_LOGBUFFER
448 #ifndef CONFIG_ALT_LB_ADDR
449 /* reserve kernel log buffer */
450 addr -= (LOGBUFF_RESERVE);
451 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
452 #endif
453 #endif
454
455 #ifdef CONFIG_PRAM
456 /*
457 * reserve protected RAM
458 */
459 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
460 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
461 addr -= (reg << 10); /* size is in kB */
462 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
463 #endif /* CONFIG_PRAM */
464
465 /* round down to next 4 kB limit */
466 addr &= ~(4096 - 1);
467 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
468
469 #ifdef CONFIG_LCD
470 /* reserve memory for LCD display (always full pages) */
471 addr = lcd_setmem (addr);
472 gd->fb_base = addr;
473 #endif /* CONFIG_LCD */
474
475 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
476 /* reserve memory for video display (always full pages) */
477 addr = video_setmem (addr);
478 gd->fb_base = addr;
479 #endif /* CONFIG_VIDEO */
480
481 /*
482 * reserve memory for U-Boot code, data & bss
483 * round down to next 4 kB limit
484 */
485 addr -= len;
486 addr &= ~(4096 - 1);
487 #ifdef CONFIG_E500
488 /* round down to next 64 kB limit so that IVPR stays aligned */
489 addr &= ~(65536 - 1);
490 #endif
491
492 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
493
494 #ifdef CONFIG_AMIGAONEG3SE
495 gd->relocaddr = addr;
496 #endif
497
498 /*
499 * reserve memory for malloc() arena
500 */
501 addr_sp = addr - TOTAL_MALLOC_LEN;
502 debug ("Reserving %dk for malloc() at: %08lx\n",
503 TOTAL_MALLOC_LEN >> 10, addr_sp);
504
505 /*
506 * (permanently) allocate a Board Info struct
507 * and a permanent copy of the "global" data
508 */
509 addr_sp -= sizeof (bd_t);
510 bd = (bd_t *) addr_sp;
511 gd->bd = bd;
512 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
513 sizeof (bd_t), addr_sp);
514 addr_sp -= sizeof (gd_t);
515 id = (gd_t *) addr_sp;
516 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
517 sizeof (gd_t), addr_sp);
518
519 /*
520 * Finally, we set up a new (bigger) stack.
521 *
522 * Leave some safety gap for SP, force alignment on 16 byte boundary
523 * Clear initial stack frame
524 */
525 addr_sp -= 16;
526 addr_sp &= ~0xF;
527 s = (ulong *)addr_sp;
528 *s-- = 0;
529 *s-- = 0;
530 addr_sp = (ulong)s;
531 debug ("Stack Pointer at: %08lx\n", addr_sp);
532
533 /*
534 * Save local variables to board info struct
535 */
536
537 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
538 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
539
540 #ifdef CONFIG_IP860
541 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
542 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
543 #elif defined CONFIG_MPC8220
544 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
545 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
546 #else
547 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
548 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
549 #endif
550
551 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
552 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
553 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
554 #endif
555 #if defined(CONFIG_MPC5xxx)
556 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
557 #endif
558 #if defined(CONFIG_MPC83XX)
559 bd->bi_immrbar = CONFIG_SYS_IMMR;
560 #endif
561 #if defined(CONFIG_MPC8220)
562 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
563 bd->bi_inpfreq = gd->inp_clk;
564 bd->bi_pcifreq = gd->pci_clk;
565 bd->bi_vcofreq = gd->vco_clk;
566 bd->bi_pevfreq = gd->pev_clk;
567 bd->bi_flbfreq = gd->flb_clk;
568
569 /* store bootparam to sram (backward compatible), here? */
570 {
571 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
572 *sram++ = gd->ram_size;
573 *sram++ = gd->bus_clk;
574 *sram++ = gd->inp_clk;
575 *sram++ = gd->cpu_clk;
576 *sram++ = gd->vco_clk;
577 *sram++ = gd->flb_clk;
578 *sram++ = 0xb8c3ba11; /* boot signature */
579 }
580 #endif
581
582 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
583
584 WATCHDOG_RESET ();
585 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
586 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
587 #if defined(CONFIG_CPM2)
588 bd->bi_cpmfreq = gd->cpm_clk;
589 bd->bi_brgfreq = gd->brg_clk;
590 bd->bi_sccfreq = gd->scc_clk;
591 bd->bi_vco = gd->vco_out;
592 #endif /* CONFIG_CPM2 */
593 #if defined(CONFIG_MPC512X)
594 bd->bi_ipsfreq = gd->ips_clk;
595 #endif /* CONFIG_MPC512X */
596 #if defined(CONFIG_MPC5xxx)
597 bd->bi_ipbfreq = gd->ipb_clk;
598 bd->bi_pcifreq = gd->pci_clk;
599 #endif /* CONFIG_MPC5xxx */
600 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
601
602 #ifdef CONFIG_SYS_EXTBDINFO
603 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
604 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
605
606 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
607 bd->bi_plb_busfreq = gd->bus_clk;
608 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
609 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
610 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
611 bd->bi_pci_busfreq = get_PCI_freq ();
612 bd->bi_opbfreq = get_OPB_freq ();
613 #elif defined(CONFIG_XILINX_405)
614 bd->bi_pci_busfreq = get_PCI_freq ();
615 #endif
616 #endif
617
618 debug ("New Stack Pointer is: %08lx\n", addr_sp);
619
620 WATCHDOG_RESET ();
621
622 #ifdef CONFIG_POST
623 post_bootmode_init();
624 post_run (NULL, POST_ROM | post_bootmode_get(0));
625 #endif
626
627 WATCHDOG_RESET();
628
629 memcpy (id, (void *)gd, sizeof (gd_t));
630
631 relocate_code (addr_sp, id, addr);
632
633 /* NOTREACHED - relocate_code() does not return */
634 }
635
636 /************************************************************************
637 *
638 * This is the next part if the initialization sequence: we are now
639 * running from RAM and have a "normal" C environment, i. e. global
640 * data can be written, BSS has been cleared, the stack size in not
641 * that critical any more, etc.
642 *
643 ************************************************************************
644 */
645 void board_init_r (gd_t *id, ulong dest_addr)
646 {
647 cmd_tbl_t *cmdtp;
648 char *s, *e;
649 bd_t *bd;
650 int i;
651 extern void malloc_bin_reloc (void);
652 #ifndef CONFIG_ENV_IS_NOWHERE
653 extern char * env_name_spec;
654 #endif
655
656 #ifndef CONFIG_SYS_NO_FLASH
657 ulong flash_size;
658 #endif
659
660 gd = id; /* initialize RAM version of global data */
661 bd = gd->bd;
662
663 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
664
665 #if defined(CONFIG_RELOC_FIXUP_WORKS)
666 gd->reloc_off = 0;
667 mem_malloc_end = dest_addr;
668 #else
669 gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
670 #endif
671
672 #ifdef CONFIG_SERIAL_MULTI
673 serial_initialize();
674 #endif
675
676 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
677
678 WATCHDOG_RESET ();
679
680 /*
681 * Setup trap handlers
682 */
683 trap_init (dest_addr);
684
685 #ifdef CONFIG_ADDR_MAP
686 init_addr_map();
687 #endif
688
689 #if defined(CONFIG_BOARD_EARLY_INIT_R)
690 board_early_init_r ();
691 #endif
692
693 monitor_flash_len = (ulong)&__init_end - dest_addr;
694
695 /*
696 * We have to relocate the command table manually
697 */
698 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
699 ulong addr;
700 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
701 #if 0
702 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
703 cmdtp->name, (ulong) (cmdtp->cmd), addr);
704 #endif
705 cmdtp->cmd =
706 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
707
708 addr = (ulong)(cmdtp->name) + gd->reloc_off;
709 cmdtp->name = (char *)addr;
710
711 if (cmdtp->usage) {
712 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
713 cmdtp->usage = (char *)addr;
714 }
715 #ifdef CONFIG_SYS_LONGHELP
716 if (cmdtp->help) {
717 addr = (ulong)(cmdtp->help) + gd->reloc_off;
718 cmdtp->help = (char *)addr;
719 }
720 #endif
721 }
722 /* there are some other pointer constants we must deal with */
723 #ifndef CONFIG_ENV_IS_NOWHERE
724 env_name_spec += gd->reloc_off;
725 #endif
726
727 WATCHDOG_RESET ();
728
729 #ifdef CONFIG_LOGBUFFER
730 logbuff_init_ptrs ();
731 #endif
732 #ifdef CONFIG_POST
733 post_output_backlog ();
734 post_reloc ();
735 #endif
736
737 WATCHDOG_RESET();
738
739 #if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83XX)
740 icache_enable (); /* it's time to enable the instruction cache */
741 #endif
742
743 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
744 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
745 #endif
746
747 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
748 /*
749 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
750 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
751 * bridge there.
752 */
753 pci_init ();
754 #endif
755 #if defined(CONFIG_BAB7xx)
756 /*
757 * Initialise the ISA bridge
758 */
759 initialise_w83c553f ();
760 #endif
761
762 asm ("sync ; isync");
763
764 #if !defined(CONFIG_SYS_NO_FLASH)
765 puts ("FLASH: ");
766
767 if ((flash_size = flash_init ()) > 0) {
768 # ifdef CONFIG_SYS_FLASH_CHECKSUM
769 print_size (flash_size, "");
770 /*
771 * Compute and print flash CRC if flashchecksum is set to 'y'
772 *
773 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
774 */
775 s = getenv ("flashchecksum");
776 if (s && (*s == 'y')) {
777 printf (" CRC: %08X",
778 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
779 );
780 }
781 putc ('\n');
782 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
783 print_size (flash_size, "\n");
784 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
785 } else {
786 puts (failed);
787 hang ();
788 }
789
790 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
791 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
792
793 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
794 /* Make a update of the Memctrl. */
795 update_flash_size (flash_size);
796 #endif
797
798
799 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
800 /* flash mapped at end of memory map */
801 bd->bi_flashoffset = TEXT_BASE + flash_size;
802 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
803 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
804 # else
805 bd->bi_flashoffset = 0;
806 # endif
807 #else /* CONFIG_SYS_NO_FLASH */
808
809 bd->bi_flashsize = 0;
810 bd->bi_flashstart = 0;
811 bd->bi_flashoffset = 0;
812 #endif /* !CONFIG_SYS_NO_FLASH */
813
814 WATCHDOG_RESET ();
815
816 /* initialize higher level parts of CPU like time base and timers */
817 cpu_init_r ();
818
819 WATCHDOG_RESET ();
820
821 /* initialize malloc() area */
822 mem_malloc_init ();
823 malloc_bin_reloc ();
824
825 #ifdef CONFIG_SPI
826 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
827 spi_init_f ();
828 # endif
829 spi_init_r ();
830 #endif
831
832 #if defined(CONFIG_CMD_NAND)
833 WATCHDOG_RESET ();
834 puts ("NAND: ");
835 nand_init(); /* go init the NAND */
836 #endif
837
838 /* relocate environment function pointers etc. */
839 env_relocate ();
840
841 /*
842 * Fill in missing fields of bd_info.
843 * We do this here, where we have "normal" access to the
844 * environment; we used to do this still running from ROM,
845 * where had to use getenv_r(), which can be pretty slow when
846 * the environment is in EEPROM.
847 */
848
849 #if defined(CONFIG_SYS_EXTBDINFO)
850 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
851 #if defined(CONFIG_I2CFAST)
852 /*
853 * set bi_iic_fast for linux taking environment variable
854 * "i2cfast" into account
855 */
856 {
857 char *s = getenv ("i2cfast");
858 if (s && ((*s == 'y') || (*s == 'Y'))) {
859 bd->bi_iic_fast[0] = 1;
860 bd->bi_iic_fast[1] = 1;
861 } else {
862 bd->bi_iic_fast[0] = 0;
863 bd->bi_iic_fast[1] = 0;
864 }
865 }
866 #else
867 bd->bi_iic_fast[0] = 0;
868 bd->bi_iic_fast[1] = 0;
869 #endif /* CONFIG_I2CFAST */
870 #endif /* CONFIG_405GP, CONFIG_405EP */
871 #endif /* CONFIG_SYS_EXTBDINFO */
872
873 #if defined(CONFIG_SC3)
874 sc3_read_eeprom();
875 #endif
876
877 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
878 mac_read_from_eeprom();
879 #endif
880
881 s = getenv ("ethaddr");
882 for (i = 0; i < 6; ++i) {
883 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
884 if (s)
885 s = (*e) ? e + 1 : e;
886 }
887 #ifdef CONFIG_HERMES
888 if ((gd->board_type >> 16) == 2)
889 bd->bi_ethspeed = gd->board_type & 0xFFFF;
890 else
891 bd->bi_ethspeed = 0xFFFF;
892 #endif
893
894 #ifdef CONFIG_HAS_ETH1
895 /* handle the 2nd ethernet address */
896
897 s = getenv ("eth1addr");
898
899 for (i = 0; i < 6; ++i) {
900 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
901 if (s)
902 s = (*e) ? e + 1 : e;
903 }
904 #endif
905 #ifdef CONFIG_HAS_ETH2
906 /* handle the 3rd ethernet address */
907
908 s = getenv ("eth2addr");
909 for (i = 0; i < 6; ++i) {
910 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
911 if (s)
912 s = (*e) ? e + 1 : e;
913 }
914 #endif
915
916 #ifdef CONFIG_HAS_ETH3
917 /* handle 4th ethernet address */
918 s = getenv("eth3addr");
919 for (i = 0; i < 6; ++i) {
920 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
921 if (s)
922 s = (*e) ? e + 1 : e;
923 }
924 #endif
925
926 #ifdef CONFIG_HAS_ETH4
927 /* handle 5th ethernet address */
928 s = getenv("eth4addr");
929 for (i = 0; i < 6; ++i) {
930 bd->bi_enet4addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
931 if (s)
932 s = (*e) ? e + 1 : e;
933 }
934 #endif
935
936 #ifdef CONFIG_HAS_ETH5
937 /* handle 6th ethernet address */
938 s = getenv("eth5addr");
939 for (i = 0; i < 6; ++i) {
940 bd->bi_enet5addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
941 if (s)
942 s = (*e) ? e + 1 : e;
943 }
944 #endif
945
946 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
947 defined(CONFIG_TQM8272) || \
948 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
949 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
950 load_sernum_ethaddr ();
951 #endif
952 /* IP Address */
953 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
954
955 WATCHDOG_RESET ();
956
957 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
958 /*
959 * Do pci configuration
960 */
961 pci_init ();
962 #endif
963
964 /** leave this here (after malloc(), environment and PCI are working) **/
965 /* Initialize devices */
966 devices_init ();
967
968 /* Initialize the jump table for applications */
969 jumptable_init ();
970
971 #if defined(CONFIG_API)
972 /* Initialize API */
973 api_init ();
974 #endif
975
976 /* Initialize the console (after the relocation and devices init) */
977 console_init_r ();
978
979 #if defined(CONFIG_CCM) || \
980 defined(CONFIG_COGENT) || \
981 defined(CONFIG_CPCI405) || \
982 defined(CONFIG_EVB64260) || \
983 defined(CONFIG_KUP4K) || \
984 defined(CONFIG_KUP4X) || \
985 defined(CONFIG_LWMON) || \
986 defined(CONFIG_PCU_E) || \
987 defined(CONFIG_SC3) || \
988 defined(CONFIG_W7O) || \
989 defined(CONFIG_MISC_INIT_R)
990 /* miscellaneous platform dependent initialisations */
991 misc_init_r ();
992 #endif
993
994 #ifdef CONFIG_HERMES
995 if (bd->bi_ethspeed != 0xFFFF)
996 hermes_start_lxt980 ((int) bd->bi_ethspeed);
997 #endif
998
999 #if defined(CONFIG_CMD_KGDB)
1000 WATCHDOG_RESET ();
1001 puts ("KGDB: ");
1002 kgdb_init ();
1003 #endif
1004
1005 debug ("U-Boot relocated to %08lx\n", dest_addr);
1006
1007 /*
1008 * Enable Interrupts
1009 */
1010 interrupt_init ();
1011
1012 /* Must happen after interrupts are initialized since
1013 * an irq handler gets installed
1014 */
1015 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1016 serial_buffered_init();
1017 #endif
1018
1019 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1020 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1021 #endif
1022
1023 udelay (20);
1024
1025 set_timer (0);
1026
1027 /* Initialize from environment */
1028 if ((s = getenv ("loadaddr")) != NULL) {
1029 load_addr = simple_strtoul (s, NULL, 16);
1030 }
1031 #if defined(CONFIG_CMD_NET)
1032 if ((s = getenv ("bootfile")) != NULL) {
1033 copy_filename (BootFile, s, sizeof (BootFile));
1034 }
1035 #endif
1036
1037 WATCHDOG_RESET ();
1038
1039 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
1040 dtt_init ();
1041 #endif
1042 #if defined(CONFIG_CMD_SCSI)
1043 WATCHDOG_RESET ();
1044 puts ("SCSI: ");
1045 scsi_init ();
1046 #endif
1047
1048 #ifdef CONFIG_GENERIC_MMC
1049 WATCHDOG_RESET ();
1050 puts ("MMC: ");
1051 mmc_initialize (bd);
1052 #endif
1053
1054 #if defined(CONFIG_CMD_DOC)
1055 WATCHDOG_RESET ();
1056 puts ("DOC: ");
1057 doc_init ();
1058 #endif
1059
1060 #if defined(CONFIG_CMD_NET)
1061 #if defined(CONFIG_NET_MULTI)
1062 WATCHDOG_RESET ();
1063 puts ("Net: ");
1064 #endif
1065 eth_initialize (bd);
1066 #endif
1067
1068 #if defined(CONFIG_CMD_NET) && ( \
1069 defined(CONFIG_CCM) || \
1070 defined(CONFIG_ELPT860) || \
1071 defined(CONFIG_EP8260) || \
1072 defined(CONFIG_IP860) || \
1073 defined(CONFIG_IVML24) || \
1074 defined(CONFIG_IVMS8) || \
1075 defined(CONFIG_MPC8260ADS) || \
1076 defined(CONFIG_MPC8266ADS) || \
1077 defined(CONFIG_MPC8560ADS) || \
1078 defined(CONFIG_PCU_E) || \
1079 defined(CONFIG_RPXSUPER) || \
1080 defined(CONFIG_STXGP3) || \
1081 defined(CONFIG_SPD823TS) || \
1082 defined(CONFIG_RESET_PHY_R) )
1083
1084 WATCHDOG_RESET ();
1085 debug ("Reset Ethernet PHY\n");
1086 reset_phy ();
1087 #endif
1088
1089 #ifdef CONFIG_POST
1090 post_run (NULL, POST_RAM | post_bootmode_get(0));
1091 #endif
1092
1093 #if defined(CONFIG_CMD_PCMCIA) \
1094 && !defined(CONFIG_CMD_IDE)
1095 WATCHDOG_RESET ();
1096 puts ("PCMCIA:");
1097 pcmcia_init ();
1098 #endif
1099
1100 #if defined(CONFIG_CMD_IDE)
1101 WATCHDOG_RESET ();
1102 # ifdef CONFIG_IDE_8xx_PCCARD
1103 puts ("PCMCIA:");
1104 # else
1105 puts ("IDE: ");
1106 #endif
1107 #if defined(CONFIG_START_IDE)
1108 if (board_start_ide())
1109 ide_init ();
1110 #else
1111 ide_init ();
1112 #endif
1113 #endif
1114
1115 #ifdef CONFIG_LAST_STAGE_INIT
1116 WATCHDOG_RESET ();
1117 /*
1118 * Some parts can be only initialized if all others (like
1119 * Interrupts) are up and running (i.e. the PC-style ISA
1120 * keyboard).
1121 */
1122 last_stage_init ();
1123 #endif
1124
1125 #if defined(CONFIG_CMD_BEDBUG)
1126 WATCHDOG_RESET ();
1127 bedbug_init ();
1128 #endif
1129
1130 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1131 /*
1132 * Export available size of memory for Linux,
1133 * taking into account the protected RAM at top of memory
1134 */
1135 {
1136 ulong pram;
1137 uchar memsz[32];
1138 #ifdef CONFIG_PRAM
1139 char *s;
1140
1141 if ((s = getenv ("pram")) != NULL) {
1142 pram = simple_strtoul (s, NULL, 10);
1143 } else {
1144 pram = CONFIG_PRAM;
1145 }
1146 #else
1147 pram=0;
1148 #endif
1149 #ifdef CONFIG_LOGBUFFER
1150 #ifndef CONFIG_ALT_LB_ADDR
1151 /* Also take the logbuffer into account (pram is in kB) */
1152 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1153 #endif
1154 #endif
1155 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1156 setenv ("mem", (char *)memsz);
1157 }
1158 #endif
1159
1160 #ifdef CONFIG_PS2KBD
1161 puts ("PS/2: ");
1162 kbd_init();
1163 #endif
1164
1165 #ifdef CONFIG_MODEM_SUPPORT
1166 {
1167 extern int do_mdm_init;
1168 do_mdm_init = gd->do_mdm_init;
1169 }
1170 #endif
1171
1172 /* Initialization complete - start the monitor */
1173
1174 /* main_loop() can return to retry autoboot, if so just run it again. */
1175 for (;;) {
1176 WATCHDOG_RESET ();
1177 main_loop ();
1178 }
1179
1180 /* NOTREACHED - no way out of command loop except booting */
1181 }
1182
1183 void hang (void)
1184 {
1185 puts ("### ERROR ### Please RESET the board ###\n");
1186 show_boot_progress(-30);
1187 for (;;);
1188 }
1189
1190 #ifdef CONFIG_MODEM_SUPPORT
1191 /* called from main loop (common/main.c) */
1192 /* 'inline' - We have to do it fast */
1193 static inline void mdm_readline(char *buf, int bufsiz)
1194 {
1195 char c;
1196 char *p;
1197 int n;
1198
1199 n = 0;
1200 p = buf;
1201 for(;;) {
1202 c = serial_getc();
1203
1204 /* dbg("(%c)", c); */
1205
1206 switch(c) {
1207 case '\r':
1208 break;
1209 case '\n':
1210 *p = '\0';
1211 return;
1212
1213 default:
1214 if(n++ > bufsiz) {
1215 *p = '\0';
1216 return; /* sanity check */
1217 }
1218 *p = c;
1219 p++;
1220 break;
1221 }
1222 }
1223 }
1224
1225 extern void dbg(const char *fmt, ...);
1226 int mdm_init (void)
1227 {
1228 char env_str[16];
1229 char *init_str;
1230 int i;
1231 extern char console_buffer[];
1232 extern void enable_putc(void);
1233 extern int hwflow_onoff(int);
1234
1235 enable_putc(); /* enable serial_putc() */
1236
1237 #ifdef CONFIG_HWFLOW
1238 init_str = getenv("mdm_flow_control");
1239 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1240 hwflow_onoff (1);
1241 else
1242 hwflow_onoff(-1);
1243 #endif
1244
1245 for (i = 1;;i++) {
1246 sprintf(env_str, "mdm_init%d", i);
1247 if ((init_str = getenv(env_str)) != NULL) {
1248 serial_puts(init_str);
1249 serial_puts("\n");
1250 for(;;) {
1251 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1252 dbg("ini%d: [%s]", i, console_buffer);
1253
1254 if ((strcmp(console_buffer, "OK") == 0) ||
1255 (strcmp(console_buffer, "ERROR") == 0)) {
1256 dbg("ini%d: cmd done", i);
1257 break;
1258 } else /* in case we are originating call ... */
1259 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1260 dbg("ini%d: connect", i);
1261 return 0;
1262 }
1263 }
1264 } else
1265 break; /* no init string - stop modem init */
1266
1267 udelay(100000);
1268 }
1269
1270 udelay(100000);
1271
1272 /* final stage - wait for connect */
1273 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1274 message from modem */
1275 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1276 dbg("ini_f: [%s]", console_buffer);
1277 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1278 dbg("ini_f: connected");
1279 return 0;
1280 }
1281 }
1282
1283 return 0;
1284 }
1285
1286 #endif
1287
1288 #if 0 /* We could use plain global data, but the resulting code is bigger */
1289 /*
1290 * Pointer to initial global data area
1291 *
1292 * Here we initialize it.
1293 */
1294 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1295 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1296 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1297 #endif /* 0 */
1298
1299 /************************************************************************/
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