/*  * linux/arch/arm/boot/compressed/head-sa1100.S *  * Copyright (C) 1999 Nicolas Pitre <nico@cam.org> *  * SA1100 specific tweaks.  This is merged into head.S by the linker. * */#include <linux/config.h>#include <linux/linkage.h>#include <asm/mach-types.h>		.section        ".start", "ax"__SA1100_start:		@ Preserve r8/r7 i.e. kernel entry values#if defined(CONFIG_SA1100_GRAPHICSCLIENT) && !defined(CONFIG_ANGELBOOT)		mov	r7, #MACH_TYPE_GRAPHICSCLIENT		mov	r8, #0#endif#if defined(CONFIG_SA1100_GRAPHICSMASTER) && !defined(CONFIG_ANGELBOOT)		mov	r7, #MACH_TYPE_GRAPHICSMASTER		mov	r8, #0#endif#if defined(CONFIG_SA1100_ADSBITSY) && !defined(CONFIG_ANGELBOOT)		mov	r7, #MACH_TYPE_ADSBITSY		mov	r8, #0#endif#ifdef CONFIG_SA1100_PFS168		@ REVISIT_PFS168: Temporary until firmware updated to use assigned machine number		mov	r7, #MACH_TYPE_PFS168#endif#ifdef CONFIG_SA1100_VICTOR		teq	r7, #MACH_TYPE_VICTOR		bne	10f		@ Copy cmdline to 0xc0000000		mov	r1, #0xc0000000		cmp	r0, #0		moveq	r2, #01:		ldrneb	r2, [r0], #1		cmpne	r2, #0		strb	r2, [r1], #1		bne	1b10:#endif		@ Data cache might be active.		@ Be sure to flush kernel binary out of the cache,		@ whatever state it is, before it is turned off.		@ This is done by fetching through currently executed		@ memory to be sure we hit the same cache.		bic	r2, pc, #0x1f		add	r3, r2, #0x4000		@ 16 kb is quite enough...1:		ldr	r0, [r2], #32		teq	r2, r3		bne	1b		mcr	p15, 0, r0, c7, c10, 4	@ drain WB		mcr	p15, 0, r0, c7, c7, 0	@ flush I & D caches		@ disabling MMU and caches		mrc	p15, 0, r0, c1, c0, 0	@ read control reg		bic	r0, r0, #0x0d		@ clear WB, DC, MMU		bic	r0, r0, #0x1000		@ clear Icache		mcr	p15, 0, r0, c1, c0, 0/* * Pause for a short time so that we give enough time * for the host to start a terminal up. */		mov	r0, #0x002000001:		subs	r0, r0, #1		bne	1b