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| /*
| * Copyright 2016 NXP Semiconductor.
| * Author: Wang Dongsheng <dongsheng.wang@freescale.com>
| *
| * SPDX-License-Identifier: GPL-2.0+
| */
|
| #include <config.h>
| #include <linux/linkage.h>
|
| #include <asm/armv7.h>
| #include <asm/psci.h>
|
| .pushsection ._secure.text, "ax"
|
| .arch_extension sec
|
| .align 5
|
| .globl psci_system_off
| psci_system_off:
| @ Get QIXIS base address
| movw r1, #(QIXIS_BASE & 0xffff)
| movt r1, #(QIXIS_BASE >> 16)
|
| ldrb r2, [r1, #QIXIS_PWR_CTL]
| orr r2, r2, #QIXIS_PWR_CTL_POWEROFF
| strb r2, [r1, #QIXIS_PWR_CTL]
|
| 1: wfi
| b 1b
|
| .popsection
|
|
