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tx25: copy SPL directly, not using relocate_code.

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Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Tested-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Albert ARIBAUD 2013-05-19 01:48:13 +00:00
parent 3acb324ff1
commit 91607ac17e
1 changed files with 15 additions and 1 deletions
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16
board/karo/tx25/tx25.c
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@ -35,7 +35,21 @@ DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SPL_BUILD
void board_init_f(ulong bootflag)
{
relocate_code(CONFIG_SPL_TEXT_BASE);
/*
* copy ourselves from where we are running to where we were
* linked at. Use ulong pointers as all addresses involved
* are 4-byte-aligned.
*/
ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst;
asm volatile ("ldr %0, =_start" : "=r"(start_ptr));
asm volatile ("ldr %0, =_end" : "=r"(end_ptr));
asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr));
asm volatile ("adr %0, board_init_f" : "=r"(run_ptr));
for (dst = start_ptr; dst < end_ptr; dst++)
*dst = *(dst+(run_ptr-link_ptr));
/*
* branch to nand_boot's link-time address.
*/
asm volatile("ldr pc, =nand_boot");
}
#endif