| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2012-2019, 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 |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <cpu_func.h> |
| #include <irq_func.h> |
| #include <asm/arch/tegra.h> |
| #include <asm/arch-tegra/pmc.h> |
| #include <linux/delay.h> |
| |
| static int do_enterrcm(struct cmd_tbl *cmdtp, int flag, int argc, |
| char *const argv[]) |
| { |
| puts("Entering RCM...\n"); |
| udelay(50000); |
| |
| tegra_pmc_writel(2, PMC_SCRATCH0); |
| disable_interrupts(); |
| reset_cpu(0); |
| |
| return 0; |
| } |
| |
| U_BOOT_CMD( |
| enterrcm, 1, 0, do_enterrcm, |
| "reset Tegra and enter USB Recovery Mode", |
| "" |
| ); |