summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv7/tegra-common/cmd_enterrcm.c
blob: a94ec93e7be12781c3a1391e1ca11b1a9c4f92cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 *
 * Derived from code (arch/arm/lib/reset.c) that is:
 *
 * (C) Copyright 2002
 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
 * Marius Groeger <mgroeger@sysgo.de>
 *
 * (C) Copyright 2002
 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
 * Alex Zuepke <azu@sysgo.de>
 *
 * (C) Copyright 2002
 * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
 *
 * (C) Copyright 2004
 * DAVE Srl
 * http://www.dave-tech.it
 * http://www.wawnet.biz
 * mailto:info@wawnet.biz
 *
 * (C) Copyright 2004 Texas Insturments
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/arch/tegra.h>
#include <asm/arch-tegra/pmc.h>

static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc,
		       char * const argv[])
{
	struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;

	puts("Entering RCM...\n");
	udelay(50000);

	pmc->pmc_scratch0 = 2;
	disable_interrupts();
	reset_cpu(0);

	return 0;
}

U_BOOT_CMD(
	enterrcm, 1, 0, do_enterrcm,
	"reset Tegra and enter USB Recovery Mode",
	""
);
OpenPOWER on IntegriCloud