2 * (C) Copyright 2000-2010
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <stdio_dev.h>
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SCSI)
44 #if defined(CONFIG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
51 #ifdef CONFIG_GENERIC_MMC
55 #ifdef CONFIG_SYS_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
61 #if defined(CONFIG_BAB7xx)
65 #if defined(CONFIG_POST)
68 #if defined(CONFIG_LOGBUFFER)
71 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CONFIG_ADDR_MAP
86 #ifdef CONFIG_BITBANGMII
90 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
91 extern int update_flash_size (int flash_size);
94 #if defined(CONFIG_SC3)
95 extern void sc3_read_eeprom(void);
98 #if defined(CONFIG_CMD_DOC)
101 #if defined(CONFIG_HARD_I2C) || \
102 defined(CONFIG_SOFT_I2C)
108 static char *failed = "*** failed ***\n";
110 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
111 extern flash_info_t flash_info[];
114 #if defined(CONFIG_START_IDE)
115 extern int board_start_ide(void);
117 #include <environment.h>
119 DECLARE_GLOBAL_DATA_PTR;
121 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
122 #define CONFIG_SYS_MEM_TOP_HIDE 0
125 extern ulong __init_end;
127 ulong monitor_flash_len;
129 #if defined(CONFIG_CMD_BEDBUG)
130 #include <bedbug/type.h>
133 /************************************************************************
135 ************************************************************************
139 * All attempts to come up with a "common" initialization sequence
140 * that works for all boards and architectures failed: some of the
141 * requirements are just _too_ different. To get rid of the resulting
142 * mess of board dependend #ifdef'ed code we now make the whole
143 * initialization sequence configurable to the user.
145 * The requirements for any new initalization function is simple: it
146 * receives a pointer to the "global data" structure as it's only
147 * argument, and returns an integer return code, where 0 means
148 * "continue" and != 0 means "fatal error, hang the system".
150 typedef int (init_fnc_t) (void);
152 /************************************************************************
154 ************************************************************************
155 * Some of this code should be moved into the core functions,
156 * but let's get it working (again) first...
159 static int init_baudrate (void)
161 char tmp[64]; /* long enough for environment variables */
162 int i = getenv_f("baudrate", tmp, sizeof (tmp));
164 gd->baudrate = (i > 0)
165 ? (int) simple_strtoul (tmp, NULL, 10)
170 /***********************************************************************/
172 void __board_add_ram_info(int use_default)
174 /* please define platform specific board_add_ram_info() */
176 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
178 int __board_flash_wp_on(void)
181 * Most flashes can't be detected when write protection is enabled,
182 * so provide a way to let U-Boot gracefully ignore write protected
187 int board_flash_wp_on(void) __attribute__((weak, alias("__board_flash_wp_on")));
189 static int init_func_ram (void)
191 #ifdef CONFIG_BOARD_TYPES
192 int board_type = gd->board_type;
194 int board_type = 0; /* use dummy arg */
198 if ((gd->ram_size = initdram (board_type)) > 0) {
199 print_size (gd->ram_size, "");
200 board_add_ram_info(0);
208 /***********************************************************************/
210 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
211 static int init_func_i2c (void)
214 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
220 #if defined(CONFIG_HARD_SPI)
221 static int init_func_spi (void)
230 /***********************************************************************/
232 #if defined(CONFIG_WATCHDOG)
233 static int init_func_watchdog_init (void)
235 puts (" Watchdog enabled\n");
239 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
241 static int init_func_watchdog_reset (void)
246 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
248 # define INIT_FUNC_WATCHDOG_INIT /* undef */
249 # define INIT_FUNC_WATCHDOG_RESET /* undef */
250 #endif /* CONFIG_WATCHDOG */
252 /************************************************************************
253 * Initialization sequence *
254 ************************************************************************
257 init_fnc_t *init_sequence[] = {
258 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
261 #if defined(CONFIG_BOARD_EARLY_INIT_F)
264 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
265 get_clocks, /* get CPU and bus clocks (etc.) */
266 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
267 && !defined(CONFIG_TQM885D)
268 adjust_sdram_tbs_8xx,
272 #ifdef CONFIG_SYS_ALLOC_DPRAM
273 #if !defined(CONFIG_CPM2)
277 #if defined(CONFIG_BOARD_POSTCLK_INIT)
281 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
282 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
283 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
290 #if defined(CONFIG_8260)
293 #endif /* CONFIG_8260 */
294 #if defined(CONFIG_MPC83xx)
298 #if defined(CONFIG_MPC5xxx)
300 #endif /* CONFIG_MPC5xxx */
301 #if defined(CONFIG_MPC8220)
305 INIT_FUNC_WATCHDOG_INIT
306 #if defined(CONFIG_MISC_INIT_F)
309 INIT_FUNC_WATCHDOG_RESET
310 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
313 #if defined(CONFIG_HARD_SPI)
319 INIT_FUNC_WATCHDOG_RESET
321 #if defined(CONFIG_SYS_DRAM_TEST)
323 #endif /* CONFIG_SYS_DRAM_TEST */
324 INIT_FUNC_WATCHDOG_RESET
326 NULL, /* Terminate this list */
329 ulong get_effective_memsize(void)
331 #ifndef CONFIG_VERY_BIG_RAM
334 /* limit stack to what we can reasonable map */
335 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
336 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
340 /************************************************************************
342 * This is the first part of the initialization sequence that is
343 * implemented in C, but still running from ROM.
345 * The main purpose is to provide a (serial) console interface as
346 * soon as possible (so we can see any error messages), and to
347 * initialize the RAM so that we can relocate the monitor code to
350 * Be aware of the restrictions: global data is read-only, BSS is not
351 * initialized, and stack space is limited to a few kB.
353 ************************************************************************
356 #ifdef CONFIG_LOGBUFFER
357 unsigned long logbuffer_base(void)
359 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
363 void board_init_f (ulong bootflag)
366 ulong len, addr, addr_sp;
369 init_fnc_t **init_fnc_ptr;
373 uchar tmp[64]; /* long enough for environment variables */
376 /* Pointer is writable since we allocated a register for it */
377 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
378 /* compiler optimization barrier needed for GCC >= 3.4 */
379 __asm__ __volatile__("": : :"memory");
381 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
382 !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
383 !defined(CONFIG_MPC86xx)
384 /* Clear initial global data */
385 memset ((void *) gd, 0, sizeof (gd_t));
388 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
389 if ((*init_fnc_ptr) () != 0) {
395 * Now that we have DRAM mapped and working, we can
396 * relocate the code and continue running from DRAM.
398 * Reserve memory at end of RAM for (top down in that order):
399 * - area that won't get touched by U-Boot and Linux (optional)
400 * - kernel log buffer
404 * - board info struct
406 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
409 * Subtract specified amount of memory to hide so that it won't
410 * get "touched" at all by U-Boot. By fixing up gd->ram_size
411 * the Linux kernel should now get passed the now "corrected"
412 * memory size and won't touch it either. This should work
413 * for arch/ppc and arch/powerpc. Only Linux board ports in
414 * arch/powerpc with bootwrapper support, that recalculate the
415 * memory size from the SDRAM controller setup will have to
418 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
420 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
422 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
424 * We need to make sure the location we intend to put secondary core
425 * boot code is reserved and not used by any part of u-boot
427 if (addr > determine_mp_bootpg()) {
428 addr = determine_mp_bootpg();
429 debug ("Reserving MP boot page to %08lx\n", addr);
433 #ifdef CONFIG_LOGBUFFER
434 #ifndef CONFIG_ALT_LB_ADDR
435 /* reserve kernel log buffer */
436 addr -= (LOGBUFF_RESERVE);
437 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
443 * reserve protected RAM
445 i = getenv_f("pram", (char *)tmp, sizeof (tmp));
446 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
447 addr -= (reg << 10); /* size is in kB */
448 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
449 #endif /* CONFIG_PRAM */
451 /* round down to next 4 kB limit */
453 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
456 /* reserve memory for LCD display (always full pages) */
457 addr = lcd_setmem (addr);
459 #endif /* CONFIG_LCD */
461 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
462 /* reserve memory for video display (always full pages) */
463 addr = video_setmem (addr);
465 #endif /* CONFIG_VIDEO */
468 * reserve memory for U-Boot code, data & bss
469 * round down to next 4 kB limit
474 /* round down to next 64 kB limit so that IVPR stays aligned */
475 addr &= ~(65536 - 1);
478 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
481 * reserve memory for malloc() arena
483 addr_sp = addr - TOTAL_MALLOC_LEN;
484 debug ("Reserving %dk for malloc() at: %08lx\n",
485 TOTAL_MALLOC_LEN >> 10, addr_sp);
488 * (permanently) allocate a Board Info struct
489 * and a permanent copy of the "global" data
491 addr_sp -= sizeof (bd_t);
492 bd = (bd_t *) addr_sp;
493 memset(bd, 0, sizeof(bd_t));
495 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
496 sizeof (bd_t), addr_sp);
497 addr_sp -= sizeof (gd_t);
498 id = (gd_t *) addr_sp;
499 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
500 sizeof (gd_t), addr_sp);
503 * Finally, we set up a new (bigger) stack.
505 * Leave some safety gap for SP, force alignment on 16 byte boundary
506 * Clear initial stack frame
510 s = (ulong *)addr_sp;
514 debug ("Stack Pointer at: %08lx\n", addr_sp);
517 * Save local variables to board info struct
520 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
521 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
523 #ifdef CONFIG_SYS_SRAM_BASE
524 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
525 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
528 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
529 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
530 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
532 #if defined(CONFIG_MPC5xxx)
533 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
535 #if defined(CONFIG_MPC83xx)
536 bd->bi_immrbar = CONFIG_SYS_IMMR;
538 #if defined(CONFIG_MPC8220)
539 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
540 bd->bi_inpfreq = gd->inp_clk;
541 bd->bi_pcifreq = gd->pci_clk;
542 bd->bi_vcofreq = gd->vco_clk;
543 bd->bi_pevfreq = gd->pev_clk;
544 bd->bi_flbfreq = gd->flb_clk;
546 /* store bootparam to sram (backward compatible), here? */
548 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
549 *sram++ = gd->ram_size;
550 *sram++ = gd->bus_clk;
551 *sram++ = gd->inp_clk;
552 *sram++ = gd->cpu_clk;
553 *sram++ = gd->vco_clk;
554 *sram++ = gd->flb_clk;
555 *sram++ = 0xb8c3ba11; /* boot signature */
560 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
561 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
562 #if defined(CONFIG_CPM2)
563 bd->bi_cpmfreq = gd->cpm_clk;
564 bd->bi_brgfreq = gd->brg_clk;
565 bd->bi_sccfreq = gd->scc_clk;
566 bd->bi_vco = gd->vco_out;
567 #endif /* CONFIG_CPM2 */
568 #if defined(CONFIG_MPC512X)
569 bd->bi_ipsfreq = gd->ips_clk;
570 #endif /* CONFIG_MPC512X */
571 #if defined(CONFIG_MPC5xxx)
572 bd->bi_ipbfreq = gd->ipb_clk;
573 bd->bi_pcifreq = gd->pci_clk;
574 #endif /* CONFIG_MPC5xxx */
575 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
577 #ifdef CONFIG_SYS_EXTBDINFO
578 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
579 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
581 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
582 bd->bi_plb_busfreq = gd->bus_clk;
583 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
584 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
585 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
586 bd->bi_pci_busfreq = get_PCI_freq ();
587 bd->bi_opbfreq = get_OPB_freq ();
588 #elif defined(CONFIG_XILINX_405)
589 bd->bi_pci_busfreq = get_PCI_freq ();
593 debug ("New Stack Pointer is: %08lx\n", addr_sp);
598 post_bootmode_init();
599 post_run (NULL, POST_ROM | post_bootmode_get(0));
604 gd->relocaddr = addr; /* Record relocation address, useful for debug */
606 memcpy (id, (void *)gd, sizeof (gd_t));
608 relocate_code (addr_sp, id, addr);
610 /* NOTREACHED - relocate_code() does not return */
613 /************************************************************************
615 * This is the next part if the initialization sequence: we are now
616 * running from RAM and have a "normal" C environment, i. e. global
617 * data can be written, BSS has been cleared, the stack size in not
618 * that critical any more, etc.
620 ************************************************************************
622 void board_init_r (gd_t *id, ulong dest_addr)
628 #ifndef CONFIG_SYS_NO_FLASH
632 gd = id; /* initialize RAM version of global data */
635 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
637 /* The Malloc area is immediately below the monitor copy in DRAM */
638 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
640 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
642 * The gd->cpu pointer is set to an address in flash before relocation.
643 * We need to update it to point to the same CPU entry in RAM.
645 gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
648 #ifdef CONFIG_SERIAL_MULTI
652 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
657 * Setup trap handlers
659 trap_init (dest_addr);
661 #ifdef CONFIG_ADDR_MAP
665 #if defined(CONFIG_BOARD_EARLY_INIT_R)
666 board_early_init_r ();
669 monitor_flash_len = (ulong)&__init_end - dest_addr;
673 #ifdef CONFIG_LOGBUFFER
674 logbuff_init_ptrs ();
677 post_output_backlog ();
682 #if defined(CONFIG_SYS_DELAYED_ICACHE)
683 icache_enable (); /* it's time to enable the instruction cache */
686 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
687 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
690 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
692 * Do early PCI configuration _before_ the flash gets initialised,
693 * because PCU ressources are crucial for flash access on some boards.
697 #if defined(CONFIG_WINBOND_83C553)
699 * Initialise the ISA bridge
701 initialise_w83c553f ();
704 asm ("sync ; isync");
706 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
708 #if !defined(CONFIG_SYS_NO_FLASH)
711 if (board_flash_wp_on()) {
712 printf("Uninitialized - Write Protect On\n");
713 /* Since WP is on, we can't find real size. Set to 0 */
715 } else if ((flash_size = flash_init ()) > 0) {
716 # ifdef CONFIG_SYS_FLASH_CHECKSUM
717 print_size (flash_size, "");
719 * Compute and print flash CRC if flashchecksum is set to 'y'
721 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
723 s = getenv ("flashchecksum");
724 if (s && (*s == 'y')) {
725 printf (" CRC: %08X",
726 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
730 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
731 print_size (flash_size, "\n");
732 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
738 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
739 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
741 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
742 /* Make a update of the Memctrl. */
743 update_flash_size (flash_size);
747 # if defined(CONFIG_OXC) || defined(CONFIG_RMU)
748 /* flash mapped at end of memory map */
749 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
750 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
751 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
753 #endif /* !CONFIG_SYS_NO_FLASH */
757 /* initialize higher level parts of CPU like time base and timers */
763 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
769 #if defined(CONFIG_CMD_NAND)
772 nand_init(); /* go init the NAND */
775 #ifdef CONFIG_GENERIC_MMC
777 * MMC initialization is called before relocating env.
778 * Thus It is required that operations like pin multiplexer
779 * be put in board_init.
786 /* relocate environment function pointers etc. */
790 * Fill in missing fields of bd_info.
791 * We do this here, where we have "normal" access to the
792 * environment; we used to do this still running from ROM,
793 * where had to use getenv_f(), which can be pretty slow when
794 * the environment is in EEPROM.
797 #if defined(CONFIG_SYS_EXTBDINFO)
798 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
799 #if defined(CONFIG_I2CFAST)
801 * set bi_iic_fast for linux taking environment variable
802 * "i2cfast" into account
805 char *s = getenv ("i2cfast");
806 if (s && ((*s == 'y') || (*s == 'Y'))) {
807 bd->bi_iic_fast[0] = 1;
808 bd->bi_iic_fast[1] = 1;
811 #endif /* CONFIG_I2CFAST */
812 #endif /* CONFIG_405GP, CONFIG_405EP */
813 #endif /* CONFIG_SYS_EXTBDINFO */
815 #if defined(CONFIG_SC3)
819 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
820 mac_read_from_eeprom();
824 if ((gd->board_type >> 16) == 2)
825 bd->bi_ethspeed = gd->board_type & 0xFFFF;
827 bd->bi_ethspeed = 0xFFFF;
830 #ifdef CONFIG_CMD_NET
831 /* kept around for legacy kernels only ... ignore the next section */
832 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
833 #ifdef CONFIG_HAS_ETH1
834 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
836 #ifdef CONFIG_HAS_ETH2
837 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
839 #ifdef CONFIG_HAS_ETH3
840 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
842 #ifdef CONFIG_HAS_ETH4
843 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
845 #ifdef CONFIG_HAS_ETH5
846 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
848 #endif /* CONFIG_CMD_NET */
851 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
855 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
857 * Do pci configuration
862 /** leave this here (after malloc(), environment and PCI are working) **/
863 /* Initialize stdio devices */
866 /* Initialize the jump table for applications */
869 #if defined(CONFIG_API)
874 /* Initialize the console (after the relocation and devices init) */
877 #if defined(CONFIG_MISC_INIT_R)
878 /* miscellaneous platform dependent initialisations */
883 if (bd->bi_ethspeed != 0xFFFF)
884 hermes_start_lxt980 ((int) bd->bi_ethspeed);
887 #if defined(CONFIG_CMD_KGDB)
893 debug ("U-Boot relocated to %08lx\n", dest_addr);
900 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
901 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
908 /* Initialize from environment */
909 if ((s = getenv ("loadaddr")) != NULL) {
910 load_addr = simple_strtoul (s, NULL, 16);
912 #if defined(CONFIG_CMD_NET)
913 if ((s = getenv ("bootfile")) != NULL) {
914 copy_filename (BootFile, s, sizeof (BootFile));
920 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
923 #if defined(CONFIG_CMD_SCSI)
929 #if defined(CONFIG_CMD_DOC)
935 #ifdef CONFIG_BITBANGMII
938 #if defined(CONFIG_CMD_NET)
939 #if defined(CONFIG_NET_MULTI)
946 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
948 debug ("Reset Ethernet PHY\n");
953 post_run (NULL, POST_RAM | post_bootmode_get(0));
956 #if defined(CONFIG_CMD_PCMCIA) \
957 && !defined(CONFIG_CMD_IDE)
963 #if defined(CONFIG_CMD_IDE)
965 # ifdef CONFIG_IDE_8xx_PCCARD
970 #if defined(CONFIG_START_IDE)
971 if (board_start_ide())
978 #ifdef CONFIG_LAST_STAGE_INIT
981 * Some parts can be only initialized if all others (like
982 * Interrupts) are up and running (i.e. the PC-style ISA
988 #if defined(CONFIG_CMD_BEDBUG)
993 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
995 * Export available size of memory for Linux,
996 * taking into account the protected RAM at top of memory
1004 if ((s = getenv ("pram")) != NULL) {
1005 pram = simple_strtoul (s, NULL, 10);
1012 #ifdef CONFIG_LOGBUFFER
1013 #ifndef CONFIG_ALT_LB_ADDR
1014 /* Also take the logbuffer into account (pram is in kB) */
1015 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1018 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1019 setenv ("mem", (char *)memsz);
1023 #ifdef CONFIG_PS2KBD
1028 #ifdef CONFIG_MODEM_SUPPORT
1030 extern int do_mdm_init;
1031 do_mdm_init = gd->do_mdm_init;
1035 /* Initialization complete - start the monitor */
1037 /* main_loop() can return to retry autoboot, if so just run it again. */
1043 /* NOTREACHED - no way out of command loop except booting */
1048 puts ("### ERROR ### Please RESET the board ###\n");
1049 show_boot_progress(-30);
1054 #if 0 /* We could use plain global data, but the resulting code is bigger */
1056 * Pointer to initial global data area
1058 * Here we initialize it.
1060 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1061 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1062 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1065 /************************************************************************/