2 * PSCI SMP initialisation
4 * Copyright (C) 2013 ARM Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #include <linux/init.h>
21 #include <linux/smp.h>
25 static int __init smp_psci_init_cpu(struct device_node *dn, int cpu)
30 static int __init smp_psci_prepare_cpu(int cpu)
34 if (!psci_ops.cpu_on) {
35 pr_err("psci: no cpu_on method, not booting CPU%d\n", cpu);
39 err = psci_ops.cpu_on(cpu, __pa(secondary_holding_pen));
41 pr_err("psci: failed to boot CPU%d (%d)\n", cpu, err);
48 const struct smp_enable_ops smp_psci_ops __initconst = {
50 .init_cpu = smp_psci_init_cpu,
51 .prepare_cpu = smp_psci_prepare_cpu,