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/*
* 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:
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