linux/arch/arm/mach-mvebu/pmsu_ll.S
Stefan Agner 969ad77c14 ARM: mvebu: prefix coprocessor operand with p
In every other instance where mrc is used the coprocessor operand
is prefix with p (e.g. p15). Use the p prefix in this case too.
This fixes a build issue when using LLVM's integrated assembler:
  arch/arm/mach-mvebu/coherency_ll.S:69:6: error: invalid operand for instruction
   mrc 15, 0, r3, cr0, cr0, 5
       ^
  arch/arm/mach-mvebu/pmsu_ll.S:19:6: error: invalid operand for instruction
   mrc 15, 0, r0, cr0, cr0, 5 @ get the CPU ID
       ^

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
2019-04-30 09:05:44 +02:00

75 lines
2 KiB
ArmAsm

/*
* Copyright (C) 2014 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Gregory Clement <gregory.clement@free-electrons.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
ENTRY(armada_38x_scu_power_up)
mrc p15, 4, r1, c15, c0 @ get SCU base address
orr r1, r1, #0x8 @ SCU CPU Power Status Register
mrc p15, 0, r0, cr0, cr0, 5 @ get the CPU ID
and r0, r0, #15
add r1, r1, r0
mov r0, #0x0
strb r0, [r1] @ switch SCU power state to Normal mode
ret lr
ENDPROC(armada_38x_scu_power_up)
/*
* This is the entry point through which CPUs exiting cpuidle deep
* idle state are going.
*/
ENTRY(armada_370_xp_cpu_resume)
ARM_BE8(setend be ) @ go BE8 if entered LE
/*
* Disable the MMU that might have been enabled in BootROM if
* this code is used in the resume path of a suspend/resume
* cycle.
*/
mrc p15, 0, r1, c1, c0, 0
bic r1, #1
mcr p15, 0, r1, c1, c0, 0
bl ll_add_cpu_to_smp_group
bl ll_enable_coherency
b cpu_resume
ENDPROC(armada_370_xp_cpu_resume)
ENTRY(armada_38x_cpu_resume)
/* do we need it for Armada 38x*/
ARM_BE8(setend be ) @ go BE8 if entered LE
bl v7_invalidate_l1
bl armada_38x_scu_power_up
b cpu_resume
ENDPROC(armada_38x_cpu_resume)
.global mvebu_boot_wa_start
.global mvebu_boot_wa_end
/* The following code will be executed from SRAM */
ENTRY(mvebu_boot_wa_start)
ARM_BE8(setend be)
adr r0, 1f
ldr r0, [r0] @ load the address of the
@ resume register
ldr r0, [r0] @ load the value in the
@ resume register
ARM_BE8(rev r0, r0) @ the value is stored LE
mov pc, r0 @ jump to this value
/*
* the last word of this piece of code will be filled by the physical
* address of the boot address register just after being copied in SRAM
*/
1:
.long .
mvebu_boot_wa_end:
ENDPROC(mvebu_boot_wa_end)