blob: 598168c7b078672899432b1002f0741256ea8d70 [file] [log] [blame]
Hongbo Zhangaeb901f2016-07-21 18:09:38 +08001/*
2 * Copyright 2016 NXP Semiconductor.
3 * Author: Wang Dongsheng <dongsheng.wang@freescale.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <config.h>
9#include <linux/linkage.h>
10
11#include <asm/armv7.h>
12#include <asm/psci.h>
13
14 .pushsection ._secure.text, "ax"
15
16 .arch_extension sec
17
18 .align 5
19
20.globl psci_system_off
21psci_system_off:
22 @ Get QIXIS base address
23 movw r1, #(QIXIS_BASE & 0xffff)
24 movt r1, #(QIXIS_BASE >> 16)
25
26 ldrb r2, [r1, #QIXIS_PWR_CTL]
27 orr r2, r2, #QIXIS_PWR_CTL_POWEROFF
28 strb r2, [r1, #QIXIS_PWR_CTL]
29
301: wfi
31 b 1b
32
33 .popsection