board_f.c

 * supported).  It _should_, if possible, copy global data to RAM and
 * initialise the CPU caches (to speed up the relocation process)
 *
 * NOTE: At present only x86 uses this route, but it is intended that
 * all archs will move to this when generic relocation is implemented.
 */
static init_fnc_t init_sequence_f_r[] = {
	init_cache_f_r,

	NULL,
};

void board_init_f_r(void)
{
	if (initcall_run_list(init_sequence_f_r))
		hang();

	/*
	 * U-Boot has been copied into SDRAM, the BSS has been cleared etc.
	 * Transfer execution from Flash to RAM by calculating the address
	 * of the in-RAM copy of board_init_r() and calling it
	 */
	(board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr);

	/* NOTREACHED - board_init_r() does not return */
	hang();
}
#endif /* CONFIG_X86 */

#ifndef CONFIG_X86
ulong board_init_f_mem(ulong top)
{
	/* Leave space for the stack we are running with now */
	top -= 0x40;

	top -= sizeof(struct global_data);
	top = ALIGN(top, 16);
	gd = (struct global_data *)top;
	memset((void *)gd, '\0', sizeof(*gd));

#ifdef CONFIG_SYS_MALLOC_F_LEN
	top -= CONFIG_SYS_MALLOC_F_LEN;
	gd->malloc_base = top;
#endif

	return top;
}
#endif /* !CONFIG_X86 */