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41 lines
967 B
41 lines
967 B
// 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 <[email protected]> |
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* Santosh Shilimkar <[email protected]> |
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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 <linux/pgtable.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 "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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