Remove obsolete #include <linux/config.h>
[linux-3.10.git] / arch / arm / boot / compressed / head-xscale.S
1 /*
2  * linux/arch/arm/boot/compressed/head-xscale.S
3  *
4  * XScale specific tweaks.  This is merged into head.S by the linker.
5  *
6  */
7
8 #include <linux/linkage.h>
9 #include <asm/mach-types.h>
10
11                 .section        ".start", "ax"
12
13 __XScale_start:
14
15                 @ Preserve r8/r7 i.e. kernel entry values
16
17                 @ Data cache might be active.
18                 @ Be sure to flush kernel binary out of the cache,
19                 @ whatever state it is, before it is turned off.
20                 @ This is done by fetching through currently executed
21                 @ memory to be sure we hit the same cache.
22                 bic     r2, pc, #0x1f
23                 add     r3, r2, #0x10000        @ 64 kb is quite enough...
24 1:              ldr     r0, [r2], #32
25                 teq     r2, r3
26                 bne     1b
27                 mcr     p15, 0, r0, c7, c10, 4  @ drain WB
28                 mcr     p15, 0, r0, c7, c7, 0   @ flush I & D caches
29
30                 @ disabling MMU and caches
31                 mrc     p15, 0, r0, c1, c0, 0   @ read control reg
32                 bic     r0, r0, #0x05           @ clear DC, MMU
33                 bic     r0, r0, #0x1000         @ clear Icache
34                 mcr     p15, 0, r0, c1, c0, 0
35
36 #ifdef CONFIG_ARCH_LUBBOCK
37                 mov     r7, #MACH_TYPE_LUBBOCK
38 #endif
39
40 #ifdef CONFIG_ARCH_COTULLA_IDP
41                 mov     r7, #MACH_TYPE_COTULLA_IDP
42 #endif
43
44 #ifdef  CONFIG_MACH_GTWX5715
45                mov     r7, #(MACH_TYPE_GTWX5715 & 0xff)
46                orr     r7, r7, #(MACH_TYPE_GTWX5715 & 0xff00)
47 #endif
48
49 #ifdef CONFIG_ARCH_IXP2000
50                 mov     r1, #-1
51                 mov     r0, #0xd6000000
52                 str     r1, [r0, #0x14]
53                 str     r1, [r0, #0x18]
54 #endif
55