xref: /rk3399_rockchip-uboot/arch/arm/mach-versatile/reset.S (revision b9cb64825b5e6efeb715abd8b48d9b12f98973e9)
1*63637a48SMasahiro Yamada/*
2*63637a48SMasahiro Yamada *  armboot - Startup Code for ARM926EJS CPU-core
3*63637a48SMasahiro Yamada *
4*63637a48SMasahiro Yamada *  Copyright (c) 2003  Texas Instruments
5*63637a48SMasahiro Yamada *
6*63637a48SMasahiro Yamada *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
7*63637a48SMasahiro Yamada *
8*63637a48SMasahiro Yamada *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
9*63637a48SMasahiro Yamada *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
10*63637a48SMasahiro Yamada *  Copyright (c) 2002	Gary Jennejohn <garyj@denx.de>
11*63637a48SMasahiro Yamada *  Copyright (c) 2003	Richard Woodruff <r-woodruff2@ti.com>
12*63637a48SMasahiro Yamada *  Copyright (c) 2003	Kshitij <kshitij@ti.com>
13*63637a48SMasahiro Yamada *
14*63637a48SMasahiro Yamada * SPDX-License-Identifier:	GPL-2.0+
15*63637a48SMasahiro Yamada */
16*63637a48SMasahiro Yamada
17*63637a48SMasahiro Yamada	.align	5
18*63637a48SMasahiro Yamada.globl reset_cpu
19*63637a48SMasahiro Yamadareset_cpu:
20*63637a48SMasahiro Yamada	ldr	r1, rstctl1	/* get clkm1 reset ctl */
21*63637a48SMasahiro Yamada	mov	r3, #0x0
22*63637a48SMasahiro Yamada	strh	r3, [r1]	/* clear it */
23*63637a48SMasahiro Yamada	mov	r3, #0x8
24*63637a48SMasahiro Yamada	strh	r3, [r1]	/* force dsp+arm reset */
25*63637a48SMasahiro Yamada_loop_forever:
26*63637a48SMasahiro Yamada	b	_loop_forever
27*63637a48SMasahiro Yamada
28*63637a48SMasahiro Yamadarstctl1:
29*63637a48SMasahiro Yamada	.word	0xfffece10
30