upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/mach-keystone/cmd_poweroff.c

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538 B

/*
* Keystone EVM : Power off
*
* (C) Copyright 2014
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/arch/mon.h>
#include <asm/arch/psc_defs.h>
#include <asm/arch/hardware.h>
int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
mon_power_off(0);
psc_disable_module(KS2_LPSC_TETRIS);
psc_disable_domain(KS2_TETRIS_PWR_DOMAIN);
asm volatile ("isb\n"
"dsb\n"
"wfi\n");
return 0;
}