1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* $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 <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
|