xref: /openbmc/linux/arch/arm/mach-mvebu/pmsu_ll.S (revision 3076cc58)
16509dc74SThomas Petazzoni/*
26509dc74SThomas Petazzoni * Copyright (C) 2014 Marvell
36509dc74SThomas Petazzoni *
46509dc74SThomas Petazzoni * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
56509dc74SThomas Petazzoni * Gregory Clement <gregory.clement@free-electrons.com>
66509dc74SThomas Petazzoni *
76509dc74SThomas Petazzoni * This file is licensed under the terms of the GNU General Public
86509dc74SThomas Petazzoni * License version 2.  This program is licensed "as is" without any
96509dc74SThomas Petazzoni * warranty of any kind, whether express or implied.
106509dc74SThomas Petazzoni */
116509dc74SThomas Petazzoni
126509dc74SThomas Petazzoni#include <linux/linkage.h>
136509dc74SThomas Petazzoni#include <asm/assembler.h>
146509dc74SThomas Petazzoni
156509dc74SThomas Petazzoni/*
166509dc74SThomas Petazzoni * This is the entry point through which CPUs exiting cpuidle deep
176509dc74SThomas Petazzoni * idle state are going.
186509dc74SThomas Petazzoni */
196509dc74SThomas PetazzoniENTRY(armada_370_xp_cpu_resume)
206509dc74SThomas PetazzoniARM_BE8(setend	be )			@ go BE8 if entered LE
216509dc74SThomas Petazzoni	bl	ll_add_cpu_to_smp_group
226509dc74SThomas Petazzoni	bl	ll_enable_coherency
236509dc74SThomas Petazzoni	b	cpu_resume
246509dc74SThomas PetazzoniENDPROC(armada_370_xp_cpu_resume)
256509dc74SThomas Petazzoni
263076cc58SGregory CLEMENT.global mvebu_boot_wa_start
273076cc58SGregory CLEMENT.global mvebu_boot_wa_end
283076cc58SGregory CLEMENT
293076cc58SGregory CLEMENT/* The following code will be executed from SRAM */
303076cc58SGregory CLEMENTENTRY(mvebu_boot_wa_start)
313076cc58SGregory CLEMENTmvebu_boot_wa_start:
323076cc58SGregory CLEMENTARM_BE8(setend	be)
333076cc58SGregory CLEMENT	adr	r0, 1f
343076cc58SGregory CLEMENT	ldr	r0, [r0]		@ load the address of the
353076cc58SGregory CLEMENT					@ resume register
363076cc58SGregory CLEMENT	ldr	r0, [r0]		@ load the value in the
373076cc58SGregory CLEMENT					@ resume register
383076cc58SGregory CLEMENTARM_BE8(rev	r0, r0)			@ the value is stored LE
393076cc58SGregory CLEMENT	mov	pc, r0			@ jump to this value
403076cc58SGregory CLEMENT/*
413076cc58SGregory CLEMENT * the last word of this piece of code will be filled by the physical
423076cc58SGregory CLEMENT * address of the boot address register just after being copied in SRAM
433076cc58SGregory CLEMENT */
443076cc58SGregory CLEMENT1:
453076cc58SGregory CLEMENT	.long   .
463076cc58SGregory CLEMENTmvebu_boot_wa_end:
473076cc58SGregory CLEMENTENDPROC(mvebu_boot_wa_end)
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