blob: 1dc1e21a3be3b03d73dfe7261a9573e6ecffd8ab (
plain) (
blame)
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
39
40
41
42
43
44
45
46
|
/*
* linux/arch/arm/boot/compressed/head-vt8500.S
*
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*
* VIA VT8500 specific tweaks. This is merged into head.S by the linker.
*
*/
#include <linux/linkage.h>
#include <asm/mach-types.h>
.section ".start", "ax"
__VT8500_start:
@ Compare the SCC ID register against a list of known values
ldr r1, .SCCID
ldr r3, [r1]
@ VT8500 override
ldr r4, .VT8500SCC
cmp r3, r4
ldreq r7, .ID_BV07
beq .Lendvt8500
@ WM8505 override
ldr r4, .WM8505SCC
cmp r3, r4
ldreq r7, .ID_8505
beq .Lendvt8500
@ Otherwise, leave the bootloader's machine id untouched
.SCCID:
.word 0xd8120000
.VT8500SCC:
.word 0x34000102
.WM8505SCC:
.word 0x34260103
.ID_BV07:
.word MACH_TYPE_BV07
.ID_8505:
.word MACH_TYPE_WM8505_7IN_NETBOOK
.Lendvt8500:
|
