xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-s5pc1xx/reset.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun * Copyright (c) 2009 Samsung Electronics.
3*4882a593Smuzhiyun * Minkyu Kang <mk7.kang@samsung.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun#include <asm/arch/cpu.h>
9*4882a593Smuzhiyun#include <linux/linkage.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun#define S5PC100_SWRESET			0xE0200000
12*4882a593Smuzhiyun#define S5PC110_SWRESET			0xE0102000
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunENTRY(reset_cpu)
15*4882a593Smuzhiyun	ldr	r1, =S5PC100_PRO_ID
16*4882a593Smuzhiyun	ldr	r2, [r1]
17*4882a593Smuzhiyun	ldr	r4, =0x00010000
18*4882a593Smuzhiyun	and	r4, r2, r4
19*4882a593Smuzhiyun	cmp	r4, #0
20*4882a593Smuzhiyun	bne	110f
21*4882a593Smuzhiyun	/* S5PC100 */
22*4882a593Smuzhiyun	ldr	r1, =S5PC100_SWRESET
23*4882a593Smuzhiyun	ldr	r2, =0xC100
24*4882a593Smuzhiyun	b	200f
25*4882a593Smuzhiyun110:	/* S5PC110 */
26*4882a593Smuzhiyun	ldr	r1, =S5PC110_SWRESET
27*4882a593Smuzhiyun	mov	r2, #1
28*4882a593Smuzhiyun200:
29*4882a593Smuzhiyun	str	r2, [r1]
30*4882a593Smuzhiyun_loop_forever:
31*4882a593Smuzhiyun	b	_loop_forever
32*4882a593SmuzhiyunENDPROC(reset_cpu)
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