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/* * 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> /* * 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 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 mrc p15, 4, r1, c15, c0 @ get SCU base address orr r1, r1, #0x8 @ SCU CPU Power Status Register mrc 15, 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 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) 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) |