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3aae7ab0f1
Because of inline asm usage in platsmp.c, smc instruction creates build failure for ARM V6+V7 build where as using instruction encoding for smc breaks the thumb2 build. So move the code snippet to separate asm file and mark it with 'armv7-a$(plus_sec)' to avoid any build issues. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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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 "keystone.h"
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static int __cpuinit 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_phys(&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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struct smp_operations keystone_smp_ops __initdata = {
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.smp_init_cpus = arm_dt_init_cpu_maps,
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.smp_boot_secondary = keystone_smp_boot_secondary,
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};
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