blob: 61ede5f30f99451243156d66c25a653788c92b39 [file] [log] [blame]
/* $Id: head.S,v 1.4 2004/11/01 16:10:28 starvik Exp $
*
* This used to be the rescue code but now that is handled by the
* RedBoot based RFL instead. Nothing to see here, move along.
*/
#include <linux/config.h>
#include <asm/arch/hwregs/reg_map_asm.h>
#include <asm/arch/hwregs/config_defs_asm.h>
.text
;; Start clocks for used blocks.
move.d REG_ADDR(config, regi_config, rw_clk_ctrl), $r1
move.d [$r1], $r0
or.d REG_STATE(config, rw_clk_ctrl, cpu, yes) | \
REG_STATE(config, rw_clk_ctrl, bif, yes) | \
REG_STATE(config, rw_clk_ctrl, fix_io, yes), $r0
move.d $r0, [$r1]
;; Copy 68KB NAND flash to Internal RAM (if NAND boot)
move.d 0x38004000, $r10
move.d 0x8000, $r11
move.d 0x11000, $r12
move.d copy_complete, $r13
and.d 0x000fffff, $r13
or.d 0x38000000, $r13
#include "../../lib/nand_init.S"
;; No NAND found
move.d CONFIG_ETRAX_PTABLE_SECTOR, $r10
jump $r10 ; Jump to decompresser
nop
copy_complete:
move.d 0x38000000 + CONFIG_ETRAX_PTABLE_SECTOR, $r10
jump $r10 ; Jump to decompresser
nop