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[u-boot] / arch / arm / mach-keystone / cmd_poweroff.c
1 /*
2  * Keystone EVM : Power off
3  *
4  * (C) Copyright 2014
5  *     Texas Instruments Incorporated, <www.ti.com>
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9
10 #include <common.h>
11 #include <command.h>
12 #include <asm/arch/mon.h>
13 #include <asm/arch/psc_defs.h>
14 #include <asm/arch/hardware.h>
15
16 int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
17 {
18         mon_power_off(0);
19
20         psc_disable_module(KS2_LPSC_TETRIS);
21         psc_disable_domain(KS2_TETRIS_PWR_DOMAIN);
22
23         asm volatile ("isb\n"
24                       "dsb\n"
25                       "wfi\n");
26
27         return 0;
28 }