e87d10b29f
Merge "Second Round of Renesas ARM Based SoC Updates for v3.17" from Simon Horman: * Suspend on non-SMP update for r8a7790 * Move r8a7791.h out of mach directory. This is part of a multi-stage effort to move headers out of that directory. * tag 'renesas-soc2-for-v3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: Allow r8a7791 to build non-SMP APMU code ARM: shmobile: Move r8a7791 reset code to pm-r8a7791.c ARM: shmobile: Allow r8a7790 to build non-SMP APMU code ARM: shmobile: Move r8a7790 reset code to pm-r8a7790.c ARM: shmobile: Use __init for APMU suspend init function ARM: shmobile: Adjust APMU code to build for non-SMP ARM: shmobile: Allow use of boot code for non-SMP case ARM: shmobile: Move r8a7791.h Signed-off-by: Olof Johansson <olof@lixom.net>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* SMP support for r8a7790
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*
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* Copyright (C) 2012-2013 Renesas Solutions Corp.
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* Copyright (C) 2012 Takashi Yoshii <takashi.yoshii.ze@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/smp.h>
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#include <linux/io.h>
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#include <asm/smp_plat.h>
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#include "common.h"
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#include "pm-rcar.h"
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#include "r8a7790.h"
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static struct rcar_sysc_ch r8a7790_ca15_scu = {
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.chan_offs = 0x180, /* PWRSR5 .. PWRER5 */
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.isr_bit = 12, /* CA15-SCU */
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};
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static struct rcar_sysc_ch r8a7790_ca7_scu = {
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.chan_offs = 0x100, /* PWRSR3 .. PWRER3 */
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.isr_bit = 21, /* CA7-SCU */
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};
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static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus)
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{
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/* let APMU code install data related to shmobile_boot_vector */
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shmobile_smp_apmu_prepare_cpus(max_cpus);
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/* turn on power to SCU */
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r8a7790_pm_init();
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rcar_sysc_power_up(&r8a7790_ca15_scu);
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rcar_sysc_power_up(&r8a7790_ca7_scu);
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}
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struct smp_operations r8a7790_smp_ops __initdata = {
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.smp_prepare_cpus = r8a7790_smp_prepare_cpus,
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.smp_boot_secondary = shmobile_smp_apmu_boot_secondary,
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#ifdef CONFIG_HOTPLUG_CPU
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.cpu_disable = shmobile_smp_cpu_disable,
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.cpu_die = shmobile_smp_apmu_cpu_die,
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.cpu_kill = shmobile_smp_apmu_cpu_kill,
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#endif
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};
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