forked from mirrors/linux
75a6faf617
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 101 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
965 B
C
41 lines
965 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Keystone SOC SMP platform code
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*
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* Copyright 2013 Texas Instruments, Inc.
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* Cyril Chemparathy <cyril@ti.com>
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* Santosh Shilimkar <santosh.shillimkar@ti.com>
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*
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* Based on platsmp.c, Copyright (C) 2002 ARM Ltd.
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*/
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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 <asm/prom.h>
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#include <asm/tlbflush.h>
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#include <asm/pgtable.h>
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#include "keystone.h"
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static int keystone_smp_boot_secondary(unsigned int cpu,
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struct task_struct *idle)
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{
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unsigned long start = virt_to_idmap(&secondary_startup);
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int error;
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pr_debug("keystone-smp: booting cpu %d, vector %08lx\n",
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cpu, start);
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error = keystone_cpu_smc(KEYSTONE_MON_CPU_UP_IDX, cpu, start);
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if (error)
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pr_err("CPU %d bringup failed with %d\n", cpu, error);
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return error;
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}
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const struct smp_operations keystone_smp_ops __initconst = {
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.smp_boot_secondary = keystone_smp_boot_secondary,
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};
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