diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-highbank/platsmp.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-highbank/platsmp.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-highbank/platsmp.c b/ANDROID_3.4.5/arch/arm/mach-highbank/platsmp.c deleted file mode 100644 index d01364c7..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-highbank/platsmp.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright 2010-2011 Calxeda, Inc. - * Based on platsmp.c, Copyright (C) 2002 ARM Ltd. - * - * 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. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/io.h> - -#include <asm/smp_scu.h> -#include <asm/hardware/gic.h> - -#include "core.h" - -extern void secondary_startup(void); - -void __cpuinit platform_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - -int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - gic_raise_softirq(cpumask_of(cpu), 0); - return 0; -} - -/* - * Initialise the CPU possible map early - this describes the CPUs - * which may be present or become present in the system. - */ -void __init smp_init_cpus(void) -{ - unsigned int i, ncores; - - ncores = scu_get_core_count(scu_base_addr); - - /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "highbank: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); - - set_smp_cross_call(gic_raise_softirq); -} - -void __init platform_smp_prepare_cpus(unsigned int max_cpus) -{ - int i; - - scu_enable(scu_base_addr); - - /* - * Write the address of secondary startup into the jump table - * The cores are in wfi and wait until they receive a soft interrupt - * and a non-zero value to jump to. Then the secondary CPU branches - * to this address. - */ - for (i = 1; i < max_cpus; i++) - highbank_set_cpu_jump(i, secondary_startup); -} |