xref: /openbmc/u-boot/arch/arm/mach-keystone/cmd_poweroff.c (revision 534bc70e35878bd437d0e665e5ee8c371c9c3b49)
1*534bc70eSTom Rini /*
2*534bc70eSTom Rini  * Keystone EVM : Power off
3*534bc70eSTom Rini  *
4*534bc70eSTom Rini  * (C) Copyright 2014
5*534bc70eSTom Rini  *     Texas Instruments Incorporated, <www.ti.com>
6*534bc70eSTom Rini  *
7*534bc70eSTom Rini  * SPDX-License-Identifier:     GPL-2.0+
8*534bc70eSTom Rini  */
9*534bc70eSTom Rini 
10*534bc70eSTom Rini #include <common.h>
11*534bc70eSTom Rini #include <command.h>
12*534bc70eSTom Rini #include <asm/arch/mon.h>
13*534bc70eSTom Rini #include <asm/arch/psc_defs.h>
14*534bc70eSTom Rini #include <asm/arch/hardware.h>
15*534bc70eSTom Rini 
16*534bc70eSTom Rini int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
17*534bc70eSTom Rini {
18*534bc70eSTom Rini 	mon_power_off(0);
19*534bc70eSTom Rini 
20*534bc70eSTom Rini 	psc_disable_module(KS2_LPSC_TETRIS);
21*534bc70eSTom Rini 	psc_disable_domain(KS2_TETRIS_PWR_DOMAIN);
22*534bc70eSTom Rini 
23*534bc70eSTom Rini 	asm volatile ("isb\n"
24*534bc70eSTom Rini 		      "dsb\n"
25*534bc70eSTom Rini 		      "wfi\n");
26*534bc70eSTom Rini 
27*534bc70eSTom Rini 	return 0;
28*534bc70eSTom Rini }
29