| /* |
| * 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: |
