/* * linux/arch/arm/boot/compressed/head-s3c2410.S * * Copyright (C) 2001 MIZI Research, Inc. * * s3c2410 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", #alloc, #execinstr__S3C2410_start:	@ Preserve r8/r7 i.e. kernel entry values	@ What is it?	@ Nandy	@ Data cache, Intstruction cache, MMU 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#if 0	@ disabling MMU and caches	mrc	p15, 0, r0, c1, c0, 0	@ read control register	bic	r0, r0, #0x05			@ disable D cache and MMU	bic r0, r0, #1000			@ disable I cache	mcr p15, 0, r0, c1, c0, 0#endif	/*	 * 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