git.sur5r.net Git - u-boot/blob - 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         mov     r2, r3
  27         bl      psci_save
  28
  29         mov     r0, r4
  30         mov     r1, r5
  31         ldr     r2, =psci_cpu_entry
  32         bl      imx_cpu_on
  33
  34         pop     {r4, r5, pc}
  35
  36 .globl psci_cpu_off
  37 psci_cpu_off:
  38
  39         bl      psci_cpu_off_common
  40         bl      psci_get_cpu_id
  41         bl      imx_cpu_off
  42
  43 1:      wfi
  44         b 1b
  45
  46 .globl psci_system_reset
  47 psci_system_reset:
  48         bl      imx_system_reset
  49
  50 2:      wfi
  51         b 2b
  52
  53 .globl psci_system_off
  54 psci_system_off:
  55         bl      imx_system_off
  56
  57 3:      wfi
  58         b 3b
  59
  60         .popsection