2 * (C) Copyright 2002-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 * To match the U-Boot user interface on ARM platforms to the U-Boot
30 * standard (as on PPC platforms), some messages with debug character
31 * are removed from the default U-Boot build.
33 * Define DEBUG here if you want additional info as shown below
34 * printed upon startup:
36 * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
44 #include <stdio_dev.h>
45 #include <timestamp.h>
50 #include <onenand_uboot.h>
53 #ifdef CONFIG_BITBANGMII
57 #ifdef CONFIG_DRIVER_SMC91111
58 #include "../drivers/net/smc91111.h"
60 #ifdef CONFIG_DRIVER_LAN91C96
61 #include "../drivers/net/lan91c96.h"
64 DECLARE_GLOBAL_DATA_PTR;
66 ulong monitor_flash_len;
68 #ifdef CONFIG_HAS_DATAFLASH
69 extern int AT91F_DataflashInit(void);
70 extern void dataflash_print_info(void);
73 #ifndef CONFIG_IDENT_STRING
74 #define CONFIG_IDENT_STRING ""
77 const char version_string[] =
78 U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
80 #ifdef CONFIG_DRIVER_RTL8019
81 extern void rtl8019_get_enetaddr (uchar * addr);
84 #if defined(CONFIG_HARD_I2C) || \
85 defined(CONFIG_SOFT_I2C)
90 /************************************************************************
91 * Coloured LED functionality
92 ************************************************************************
93 * May be supplied by boards if desired
95 void inline __coloured_LED_init (void) {}
96 void coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
97 void inline __red_LED_on (void) {}
98 void red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
99 void inline __red_LED_off(void) {}
100 void red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
101 void inline __green_LED_on(void) {}
102 void green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
103 void inline __green_LED_off(void) {}
104 void green_LED_off(void) __attribute__((weak, alias("__green_LED_off")));
105 void inline __yellow_LED_on(void) {}
106 void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on")));
107 void inline __yellow_LED_off(void) {}
108 void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off")));
109 void inline __blue_LED_on(void) {}
110 void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on")));
111 void inline __blue_LED_off(void) {}
112 void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off")));
114 /************************************************************************
116 ************************************************************************
117 * Some of this code should be moved into the core functions,
118 * or dropped completely,
119 * but let's get it working (again) first...
122 #if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
123 #define CONFIG_BAUDRATE 115200
125 static int init_baudrate (void)
127 char tmp[64]; /* long enough for environment variables */
128 int i = getenv_f("baudrate", tmp, sizeof (tmp));
130 #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
131 gd->baudrate = (i > 0)
133 gd->bd->bi_baudrate = gd->baudrate = (i > 0)
135 ? (int) simple_strtoul (tmp, NULL, 10)
141 static int display_banner (void)
143 printf ("\n\n%s\n\n", version_string);
144 debug ("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
145 #if !defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
150 _bss_start_ofs+_TEXT_BASE, _bss_end_ofs+_TEXT_BASE);
151 #ifdef CONFIG_MODEM_SUPPORT
152 debug ("Modem Support enabled\n");
154 #ifdef CONFIG_USE_IRQ
155 debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
156 debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
163 * WARNING: this code looks "cleaner" than the PowerPC version, but
164 * has the disadvantage that you either get nothing, or everything.
165 * On PowerPC, you might see "DRAM: " before the system hangs - which
166 * gives a simple yet clear indication which part of the
167 * initialization if failing.
169 static int display_dram_config (void)
174 puts ("RAM Configuration:\n");
176 for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
177 printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
178 print_size (gd->bd->bi_dram[i].size, "\n");
183 for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
184 size += gd->bd->bi_dram[i].size;
187 print_size(size, "\n");
193 #if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
194 #ifndef CONFIG_SYS_NO_FLASH
195 static void display_flash_config (ulong size)
198 print_size (size, "\n");
200 #endif /* CONFIG_SYS_NO_FLASH */
203 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
204 static int init_func_i2c (void)
207 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
213 #if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
215 static int arm_pci_init(void)
220 #endif /* CONFIG_CMD_PCI || CONFIG_PCI */
223 * Breathe some life into the board...
225 * Initialize a serial port as console, and carry out some hardware
228 * The first part of initialization is running from Flash memory;
229 * its main purpose is to initialize the RAM so that we
230 * can relocate the monitor code to RAM.
234 * All attempts to come up with a "common" initialization sequence
235 * that works for all boards and architectures failed: some of the
236 * requirements are just _too_ different. To get rid of the resulting
237 * mess of board dependent #ifdef'ed code we now make the whole
238 * initialization sequence configurable to the user.
240 * The requirements for any new initalization function is simple: it
241 * receives a pointer to the "global data" structure as it's only
242 * argument, and returns an integer return code, where 0 means
243 * "continue" and != 0 means "fatal error, hang the system".
245 typedef int (init_fnc_t) (void);
247 int print_cpuinfo (void);
249 #if defined(CONFIG_SYS_ARM_WITHOUT_RELOC)
250 init_fnc_t *init_sequence[] = {
251 #if defined(CONFIG_ARCH_CPU_INIT)
252 arch_cpu_init, /* basic arch cpu dependent setup */
254 board_init, /* basic board dependent setup */
255 #if defined(CONFIG_USE_IRQ)
256 interrupt_init, /* set up exceptions */
258 timer_init, /* initialize timer */
259 #ifdef CONFIG_FSL_ESDHC
262 env_init, /* initialize environment */
263 init_baudrate, /* initialze baudrate settings */
264 serial_init, /* serial communications setup */
265 console_init_f, /* stage 1 init of console */
266 display_banner, /* say that we are here */
267 #if defined(CONFIG_DISPLAY_CPUINFO)
268 print_cpuinfo, /* display cpu info (and speed) */
270 #if defined(CONFIG_DISPLAY_BOARDINFO)
271 checkboard, /* display board info */
273 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
276 dram_init, /* configure available RAM banks */
277 #if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
284 void start_armboot (void)
286 init_fnc_t **init_fnc_ptr;
288 #if defined(CONFIG_VFD) || defined(CONFIG_LCD)
292 /* Pointer is writable since we allocated a register for it */
293 gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t));
294 /* compiler optimization barrier needed for GCC >= 3.4 */
295 __asm__ __volatile__("": : :"memory");
297 memset ((void*)gd, 0, sizeof (gd_t));
298 gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
299 memset (gd->bd, 0, sizeof (bd_t));
301 gd->flags |= GD_FLG_RELOC;
303 monitor_flash_len = _bss_start - _armboot_start;
305 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
306 if ((*init_fnc_ptr)() != 0) {
311 /* armboot_start is defined in the board-specific linker script */
312 mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN,
313 CONFIG_SYS_MALLOC_LEN);
315 #ifndef CONFIG_SYS_NO_FLASH
316 /* configure available FLASH banks */
317 display_flash_config (flash_init ());
318 #endif /* CONFIG_SYS_NO_FLASH */
322 # define PAGE_SIZE 4096
325 * reserve memory for VFD display (always full pages)
327 /* bss_end is defined in the board-specific linker script */
328 addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
331 #endif /* CONFIG_VFD */
334 /* board init may have inited fb_base */
337 # define PAGE_SIZE 4096
340 * reserve memory for LCD display (always full pages)
342 /* bss_end is defined in the board-specific linker script */
343 addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
347 #endif /* CONFIG_LCD */
349 #if defined(CONFIG_CMD_NAND)
351 nand_init(); /* go init the NAND */
354 #if defined(CONFIG_CMD_ONENAND)
358 #ifdef CONFIG_HAS_DATAFLASH
359 AT91F_DataflashInit();
360 dataflash_print_info();
363 #ifdef CONFIG_GENERIC_MMC
365 * MMC initialization is called before relocating env.
366 * Thus It is required that operations like pin multiplexer
367 * be put in board_init.
370 mmc_initialize (gd->bd);
373 /* initialize environment */
377 /* must do this after the framebuffer is allocated */
379 #endif /* CONFIG_VFD */
381 #ifdef CONFIG_SERIAL_MULTI
386 gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
388 stdio_init (); /* get the devices list going. */
392 #if defined(CONFIG_API)
397 console_init_r (); /* fully init console as a device */
399 #if defined(CONFIG_ARCH_MISC_INIT)
400 /* miscellaneous arch dependent initialisations */
403 #if defined(CONFIG_MISC_INIT_R)
404 /* miscellaneous platform dependent initialisations */
408 /* enable exceptions */
409 enable_interrupts ();
411 /* Perform network card initialisation if necessary */
412 #ifdef CONFIG_DRIVER_TI_EMAC
413 /* XXX: this needs to be moved to board init */
414 extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
415 if (getenv ("ethaddr")) {
417 eth_getenv_enetaddr("ethaddr", enetaddr);
418 davinci_eth_set_mac_addr(enetaddr);
422 #if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
423 /* XXX: this needs to be moved to board init */
424 if (getenv ("ethaddr")) {
426 eth_getenv_enetaddr("ethaddr", enetaddr);
427 smc_set_mac_addr(enetaddr);
429 #endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
431 /* Initialize from environment */
432 if ((s = getenv ("loadaddr")) != NULL) {
433 load_addr = simple_strtoul (s, NULL, 16);
435 #if defined(CONFIG_CMD_NET)
436 if ((s = getenv ("bootfile")) != NULL) {
437 copy_filename (BootFile, s, sizeof (BootFile));
441 #ifdef BOARD_LATE_INIT
445 #ifdef CONFIG_BITBANGMII
448 #if defined(CONFIG_CMD_NET)
449 #if defined(CONFIG_NET_MULTI)
452 eth_initialize(gd->bd);
453 #if defined(CONFIG_RESET_PHY_R)
454 debug ("Reset Ethernet PHY\n");
458 /* main_loop() can return to retry autoboot, if so just run it again. */
463 /* NOTREACHED - no way out of command loop except booting */
466 void __dram_init_banksize(void)
468 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
469 gd->bd->bi_dram[0].size = gd->ram_size;
471 void dram_init_banksize(void)
472 __attribute__((weak, alias("__dram_init_banksize")));
474 init_fnc_t *init_sequence[] = {
475 #if defined(CONFIG_ARCH_CPU_INIT)
476 arch_cpu_init, /* basic arch cpu dependent setup */
478 #if defined(CONFIG_BOARD_EARLY_INIT_F)
481 timer_init, /* initialize timer */
482 #ifdef CONFIG_FSL_ESDHC
485 env_init, /* initialize environment */
486 init_baudrate, /* initialze baudrate settings */
487 serial_init, /* serial communications setup */
488 console_init_f, /* stage 1 init of console */
489 display_banner, /* say that we are here */
490 #if defined(CONFIG_DISPLAY_CPUINFO)
491 print_cpuinfo, /* display cpu info (and speed) */
493 #if defined(CONFIG_DISPLAY_BOARDINFO)
494 checkboard, /* display board info */
496 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
499 dram_init, /* configure available RAM banks */
500 #if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
506 void board_init_f (ulong bootflag)
509 init_fnc_t **init_fnc_ptr;
513 /* Pointer is writable since we allocated a register for it */
514 gd = (gd_t *) (CONFIG_SYS_INIT_SP_ADDR);
515 /* compiler optimization barrier needed for GCC >= 3.4 */
516 __asm__ __volatile__("": : :"memory");
518 memset ((void*)gd, 0, sizeof (gd_t));
520 gd->mon_len = _bss_end_ofs;
522 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
523 if ((*init_fnc_ptr)() != 0) {
528 debug ("monitor len: %08lX\n", gd->mon_len);
530 * Ram is setup, size stored in gd !!
532 debug ("ramsize: %08lX\n", gd->ram_size);
533 #if defined(CONFIG_SYS_MEM_TOP_HIDE)
535 * Subtract specified amount of memory to hide so that it won't
536 * get "touched" at all by U-Boot. By fixing up gd->ram_size
537 * the Linux kernel should now get passed the now "corrected"
538 * memory size and won't touch it either. This should work
539 * for arch/ppc and arch/powerpc. Only Linux board ports in
540 * arch/powerpc with bootwrapper support, that recalculate the
541 * memory size from the SDRAM controller setup will have to
544 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
547 addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
549 #ifdef CONFIG_LOGBUFFER
550 #ifndef CONFIG_ALT_LB_ADDR
551 /* reserve kernel log buffer */
552 addr -= (LOGBUFF_RESERVE);
553 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
559 * reserve protected RAM
561 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
562 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
563 addr -= (reg << 10); /* size is in kB */
564 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
565 #endif /* CONFIG_PRAM */
567 #if !(defined(CONFIG_SYS_NO_ICACHE) && defined(CONFIG_SYS_NO_DCACHE))
568 /* reserve TLB table */
571 /* round down to next 64 kB limit */
572 addr &= ~(0x10000 - 1);
575 debug ("TLB table at: %08lx\n", addr);
578 /* round down to next 4 kB limit */
580 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
584 # define PAGE_SIZE 4096
587 * reserve memory for VFD display (always full pages)
589 addr -= vfd_setmem (addr);
591 #endif /* CONFIG_VFD */
594 /* reserve memory for LCD display (always full pages) */
595 addr = lcd_setmem (addr);
597 #endif /* CONFIG_LCD */
600 * reserve memory for U-Boot code, data & bss
601 * round down to next 4 kB limit
606 debug ("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr);
608 #ifndef CONFIG_PRELOADER
610 * reserve memory for malloc() arena
612 addr_sp = addr - TOTAL_MALLOC_LEN;
613 debug ("Reserving %dk for malloc() at: %08lx\n",
614 TOTAL_MALLOC_LEN >> 10, addr_sp);
616 * (permanently) allocate a Board Info struct
617 * and a permanent copy of the "global" data
619 addr_sp -= sizeof (bd_t);
620 bd = (bd_t *) addr_sp;
622 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
623 sizeof (bd_t), addr_sp);
624 addr_sp -= sizeof (gd_t);
625 id = (gd_t *) addr_sp;
626 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
627 sizeof (gd_t), addr_sp);
629 /* setup stackpointer for exeptions */
630 gd->irq_sp = addr_sp;
631 #ifdef CONFIG_USE_IRQ
632 addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ);
633 debug ("Reserving %zu Bytes for IRQ stack at: %08lx\n",
634 CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp);
636 /* leave 3 words for abort-stack */
639 /* 8-byte alignment for ABI compliance */
642 addr_sp += 128; /* leave 32 words for abort-stack */
643 gd->irq_sp = addr_sp;
646 debug ("New Stack Pointer is: %08lx\n", addr_sp);
649 post_bootmode_init();
650 post_run (NULL, POST_ROM | post_bootmode_get(0));
653 gd->bd->bi_baudrate = gd->baudrate;
654 /* Ram ist board specific, so move it to board code ... */
655 dram_init_banksize();
656 display_dram_config(); /* and display it */
658 gd->relocaddr = addr;
659 gd->start_addr_sp = addr_sp;
660 gd->reloc_off = addr - _TEXT_BASE;
661 debug ("relocation Offset is: %08lx\n", gd->reloc_off);
662 memcpy (id, (void *)gd, sizeof (gd_t));
664 relocate_code (addr_sp, id, addr);
666 /* NOTREACHED - relocate_code() does not return */
669 #if !defined(CONFIG_SYS_NO_FLASH)
670 static char *failed = "*** failed ***\n";
673 /************************************************************************
675 * This is the next part if the initialization sequence: we are now
676 * running from RAM and have a "normal" C environment, i. e. global
677 * data can be written, BSS has been cleared, the stack size in not
678 * that critical any more, etc.
680 ************************************************************************
683 void board_init_r (gd_t *id, ulong dest_addr)
688 #if !defined(CONFIG_SYS_NO_FLASH)
691 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
692 extern void malloc_bin_reloc (void);
693 #if defined(CONFIG_CMD_BMP)
694 extern void bmp_reloc(void);
696 #if defined(CONFIG_CMD_I2C)
697 extern void i2c_reloc(void);
704 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
706 monitor_flash_len = _bss_start_ofs;
707 debug ("monitor flash len: %08lX\n", monitor_flash_len);
708 board_init(); /* Setup chipselects */
710 #ifdef CONFIG_SERIAL_MULTI
714 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
716 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
718 * We have to relocate the command table manually
720 fixup_cmdtable(&__u_boot_cmd_start,
721 (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
722 #if defined(CONFIG_CMD_BMP)
725 #if defined(CONFIG_CMD_I2C)
728 #endif /* !defined(CONFIG_RELOC_FIXUP_WORKS) */
730 #ifdef CONFIG_LOGBUFFER
731 logbuff_init_ptrs ();
734 post_output_backlog ();
735 #ifndef CONFIG_RELOC_FIXUP_WORKS
740 /* The Malloc area is immediately below the monitor copy in DRAM */
741 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
742 mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN);
743 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
747 #if !defined(CONFIG_SYS_NO_FLASH)
750 if ((flash_size = flash_init ()) > 0) {
751 # ifdef CONFIG_SYS_FLASH_CHECKSUM
752 print_size (flash_size, "");
754 * Compute and print flash CRC if flashchecksum is set to 'y'
756 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
758 s = getenv ("flashchecksum");
759 if (s && (*s == 'y')) {
760 printf (" CRC: %08X",
761 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
765 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
766 print_size (flash_size, "\n");
767 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
774 #if defined(CONFIG_CMD_NAND)
776 nand_init(); /* go init the NAND */
779 #if defined(CONFIG_CMD_ONENAND)
783 #ifdef CONFIG_HAS_DATAFLASH
784 AT91F_DataflashInit();
785 dataflash_print_info();
788 /* initialize environment */
792 /* must do this after the framebuffer is allocated */
794 #endif /* CONFIG_VFD */
797 gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
799 stdio_init (); /* get the devices list going. */
803 #if defined(CONFIG_API)
808 console_init_r (); /* fully init console as a device */
810 #if defined(CONFIG_ARCH_MISC_INIT)
811 /* miscellaneous arch dependent initialisations */
814 #if defined(CONFIG_MISC_INIT_R)
815 /* miscellaneous platform dependent initialisations */
819 /* set up exceptions */
821 /* enable exceptions */
822 enable_interrupts ();
824 /* Perform network card initialisation if necessary */
825 #ifdef CONFIG_DRIVER_TI_EMAC
826 /* XXX: this needs to be moved to board init */
827 extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
828 if (getenv ("ethaddr")) {
830 eth_getenv_enetaddr("ethaddr", enetaddr);
831 davinci_eth_set_mac_addr(enetaddr);
835 #if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
836 /* XXX: this needs to be moved to board init */
837 if (getenv ("ethaddr")) {
839 eth_getenv_enetaddr("ethaddr", enetaddr);
840 smc_set_mac_addr(enetaddr);
842 #endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
844 /* Initialize from environment */
845 if ((s = getenv ("loadaddr")) != NULL) {
846 load_addr = simple_strtoul (s, NULL, 16);
848 #if defined(CONFIG_CMD_NET)
849 if ((s = getenv ("bootfile")) != NULL) {
850 copy_filename (BootFile, s, sizeof (BootFile));
854 #ifdef BOARD_LATE_INIT
858 #ifdef CONFIG_GENERIC_MMC
860 mmc_initialize (gd->bd);
863 #ifdef CONFIG_BITBANGMII
866 #if defined(CONFIG_CMD_NET)
867 #if defined(CONFIG_NET_MULTI)
870 eth_initialize(gd->bd);
871 #if defined(CONFIG_RESET_PHY_R)
872 debug ("Reset Ethernet PHY\n");
878 post_run (NULL, POST_RAM | post_bootmode_get(0));
881 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
883 * Export available size of memory for Linux,
884 * taking into account the protected RAM at top of memory
892 if ((s = getenv ("pram")) != NULL) {
893 pram = simple_strtoul (s, NULL, 10);
900 #ifdef CONFIG_LOGBUFFER
901 #ifndef CONFIG_ALT_LB_ADDR
902 /* Also take the logbuffer into account (pram is in kB) */
903 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
906 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
907 setenv ("mem", (char *)memsz);
911 /* main_loop() can return to retry autoboot, if so just run it again. */
916 /* NOTREACHED - no way out of command loop except booting */
919 #endif /* defined(CONFIG_SYS_ARM_WITHOUT_RELOC) */
923 puts ("### ERROR ### Please RESET the board ###\n");