/*
 *  linux/arch/arm/mach-atmel/head.S
 *
 *  Copyright (C) 2003 Hyok S. Choi
 *  <hyok.choi@samsung.com>
 *
 *  uClinux kernel startup code for atmel
 *  which has no bootloader
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <linux/config.h>
#include <linux/linkage.h>
#include <linux/init.h>

#include <asm/assembler.h>
#include <asm/mach-types.h>
#include <asm/procinfo.h>
#include <asm/ptrace.h>
#include <asm/mach/arch.h>

#define MACHINFO_TYPE		0
#define MACHINFO_PHYSRAM	4
#define MACHINFO_PHYSIO		8
#define MACHINFO_PGOFFIO	12
#define MACHINFO_NAME		16

/*
 * Kernel startup entry point.
 */
	__INIT
	.type	stext, #function
ENTRY(stext)
	mov	r12, r0
	mov	r0, #PSR_F_BIT | PSR_I_BIT | MODE_SVC	@ make sure svc mode
	msr	cpsr_c, r0				@ and all irqs disabled

	adr	r5, LC0
	ldmia	r5, {r5, r6, r8, r9, sp}		@ Setup stack

	/*  Copy data sections to their new home.  */


	/*  Clear BSS */
	mov	r4, #0
1:	cmp	r5, r8
	strcc	r4, [r5],#4
	bcc	1b

	/*  Pretend we know what our processor code is (for arm_id)   */

	ldr	r2, L_AT91_SF_CIDR
	ldr	r2, [r2]		@ read processor id

	str     r2, [r6]
	mov     r2, #MACH_TYPE_ATMEL
	str     r2, [r9]

	mov fp, #0
	b	start_kernel

LC0:	.long	__bss_start
	.long	processor_id
	.long	_end
	.long   __machine_arch_type
	.long	init_thread_union+8192

L_AT91_SF_CIDR:
	.long	0xfff00000

#include "../kernel/head-common.S"