mirror of https://gitee.com/openkylin/linux.git
32 lines
875 B
C
32 lines
875 B
C
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/*
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* SMP support for SoCs with SCU covered by mach-shmobile
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*
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* Copyright (C) 2013 Magnus Damm
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/smp.h>
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#include <asm/smp_plat.h>
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#include <asm/smp_scu.h>
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#include <mach/common.h>
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void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus)
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{
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shmobile_boot_fn = virt_to_phys(shmobile_boot_scu);
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shmobile_boot_arg = (unsigned long)shmobile_scu_base;
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/* enable SCU and cache coherency on booting CPU */
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scu_enable(shmobile_scu_base);
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scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL);
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}
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int shmobile_smp_scu_boot_secondary(unsigned int cpu, struct task_struct *idle)
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{
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/* do nothing for now */
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return 0;
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}
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