openwrtv3/package/boot/uboot-oxnas/files/board/ox820/lowlevel_init.S
John Crispin c05048b0bb add uboot-oxnas
This adds support for the oxnas target in U-Boot 2014.04
History can be found at https://github.com/kref/u-boot-oxnas up to 2013.10
changes from 2013.10 to 2014.04 can be followed at
https://gitorious.org/openwrt-oxnas

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

SVN-Revision: 43389
2014-11-26 09:00:17 +00:00

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ArmAsm

#include <config.h>
#ifndef CONFIG_SPL_BUILD
.globl lowlevel_init
lowlevel_init:
/*
* Copy exception table to relocated address in internal SRAM
*/
ldr r0, src /* Address of exception table in flash */
ldr r1, dest /* Relocated address of exception table */
ldmia r0!, {r3-r10} /* Copy exception table and jump values from */
stmia r1!, {r3-r10} /* FLASH to relocated address */
ldmia r0!, {r3-r10}
stmia r1!, {r3-r10}
mov pc, lr
src: .word CONFIG_SYS_TEXT_BASE
dest: .word CONFIG_SRAM_BASE
#endif