1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Derived from code (arch/arm/lib/reset.c) that is:
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * (C) Copyright 2002
7*4882a593Smuzhiyun * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
8*4882a593Smuzhiyun * Marius Groeger <mgroeger@sysgo.de>
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * (C) Copyright 2002
11*4882a593Smuzhiyun * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
12*4882a593Smuzhiyun * Alex Zuepke <azu@sysgo.de>
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * (C) Copyright 2002
15*4882a593Smuzhiyun * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
16*4882a593Smuzhiyun *
17*4882a593Smuzhiyun * (C) Copyright 2004
18*4882a593Smuzhiyun * DAVE Srl
19*4882a593Smuzhiyun * http://www.dave-tech.it
20*4882a593Smuzhiyun * http://www.wawnet.biz
21*4882a593Smuzhiyun * mailto:info@wawnet.biz
22*4882a593Smuzhiyun *
23*4882a593Smuzhiyun * (C) Copyright 2004 Texas Insturments
24*4882a593Smuzhiyun *
25*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
26*4882a593Smuzhiyun */
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include <common.h>
29*4882a593Smuzhiyun #include <asm/arch/tegra.h>
30*4882a593Smuzhiyun #include <asm/arch-tegra/pmc.h>
31*4882a593Smuzhiyun
do_enterrcm(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])32*4882a593Smuzhiyun static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc,
33*4882a593Smuzhiyun char * const argv[])
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun puts("Entering RCM...\n");
38*4882a593Smuzhiyun udelay(50000);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun pmc->pmc_scratch0 = 2;
41*4882a593Smuzhiyun disable_interrupts();
42*4882a593Smuzhiyun reset_cpu(0);
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun return 0;
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun U_BOOT_CMD(
48*4882a593Smuzhiyun enterrcm, 1, 0, do_enterrcm,
49*4882a593Smuzhiyun "reset Tegra and enter USB Recovery Mode",
50*4882a593Smuzhiyun ""
51*4882a593Smuzhiyun );
52