void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
/*
* Initialise the SCU and wake up the secondary core using
* wakeup_secondary().
*/
scu_enable(scu_base);
wakeup_secondary();
}
static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
{
/*
* Initialise the SCU and wake up the secondary core using
* wakeup_secondary().
*/
if (scu_base)
scu_enable(scu_base);
wakeup_secondary();
}
void __init smp_prepare_cpus(unsigned int max_cpus)
{
unsigned int ncores = get_core_count();
unsigned int cpu = smp_processor_id();
int i;
/* sanity check */
if (ncores == 0) {
printk(KERN_ERR
"OMAP4: strange core count of 0? Default to 1\n");
ncores = 1;
}
if (ncores > NR_CPUS) {
printk(KERN_WARNING
"OMAP4: no. of cores (%d) greater than configured "
"maximum of %d - clipping\n",
ncores, NR_CPUS);
ncores = NR_CPUS;
}
smp_store_cpu_info(cpu);
/*
* are we trying to boot more cores than exist?
*/
if (max_cpus > ncores)
max_cpus = ncores;
/*
* Initialise the present map, which describes the set of CPUs
* actually populated at the present time.
*/
for (i = 0; i < max_cpus; i++)
set_cpu_present(i, true);
if (max_cpus > 1) {
/*
* Enable the local timer or broadcast device for the
* boot CPU, but only if we have more than one CPU.
*/
percpu_timer_setup();
/*
* Initialise the SCU and wake up the secondary core using
* wakeup_secondary().
*/
scu_enable(scu_base);
wakeup_secondary();
}
}
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
int i;
/*
* Initialise the present map, which describes the set of CPUs
* actually populated at the present time.
*/
for (i = 0; i < max_cpus; i++)
set_cpu_present(i, true);
scu_enable(scu_base_addr());
wakeup_secondary();
}
static void __init ux500_smp_prepare_cpus(unsigned int max_cpus)
{
scu_enable(scu_base_addr());
wakeup_secondary();
}
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
scu_enable(scu_base_addr());
wakeup_secondary();
}
static int ux500_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
wakeup_secondary();
arch_send_wakeup_ipi_mask(cpumask_of(cpu));
return 0;
}
