xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-versatile/reset.S (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun *  armboot - Startup Code for ARM926EJS CPU-core
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun *  Copyright (c) 2003  Texas Instruments
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
9*4882a593Smuzhiyun *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
10*4882a593Smuzhiyun *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
11*4882a593Smuzhiyun *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
12*4882a593Smuzhiyun *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * SPDX-License-Identifier:	GPL-2.0+
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun	.align	5
18*4882a593Smuzhiyun.globl reset_cpu
19*4882a593Smuzhiyunreset_cpu:
20*4882a593Smuzhiyun	ldr	r1, rstctl1	/* get clkm1 reset ctl */
21*4882a593Smuzhiyun	mov	r3, #0x0
22*4882a593Smuzhiyun	strh	r3, [r1]	/* clear it */
23*4882a593Smuzhiyun	mov	r3, #0x8
24*4882a593Smuzhiyun	strh	r3, [r1]	/* force dsp+arm reset */
25*4882a593Smuzhiyun_loop_forever:
26*4882a593Smuzhiyun	b	_loop_forever
27*4882a593Smuzhiyun
28*4882a593Smuzhiyunrstctl1:
29*4882a593Smuzhiyun	.word	0xfffece10
30