arch/arm/mach-imx/mx7/psci.S

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2015-2016 Freescale Semiconductor, Inc.
   4  * Copyright 2017 NXP
   5  */
   6
   7 #include <config.h>
   8 #include <linux/linkage.h>
   9
  10 #include <asm/armv7.h>
  11 #include <asm/arch-armv7/generictimer.h>
  12 #include <asm/psci.h>
  13
  14         .pushsection ._secure.text, "ax"
  15
  16         .arch_extension sec
  17
  18 .globl psci_cpu_on
  19 psci_cpu_on:
  20         push    {r4, r5, lr}
  21
  22         mov     r4, r0
  23         mov     r5, r1
  24         mov     r0, r1
  25         mov     r1, r2
  26         bl      psci_save_target_pc
  27
  28         mov     r0, r4
  29         mov     r1, r5
  30         ldr     r2, =psci_cpu_entry
  31         bl      imx_cpu_on
  32
  33         pop     {r4, r5, pc}
  34
  35 .globl psci_cpu_off
  36 psci_cpu_off:
  37
  38         bl      psci_cpu_off_common
  39         bl      psci_get_cpu_id
  40         bl      imx_cpu_off
  41
  42 1:      wfi
  43         b 1b
  44
  45 .globl psci_system_reset
  46 psci_system_reset:
  47         bl      imx_system_reset
  48
  49 2:      wfi
  50         b 2b
  51
  52 .globl psci_system_off
  53 psci_system_off:
  54         bl      imx_system_off
  55
  56 3:      wfi
  57         b 3b
  58
  59         .popsection