static void __init visws_time_init(void)
{
printk(KERN_INFO "Starting Cobalt Timer system clock\n");
/* Set the countdown value */
co_cpu_write(CO_CPU_TIMEVAL, CO_TIME_HZ/HZ);
/* Start the timer */
co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) | CO_CTRL_TIMERUN);
/* Enable (unmask) the timer interrupt */
co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK);
setup_default_timer_irq();
}
static int __init visws_time_init(void)
{
printk(KERN_INFO "Starting Cobalt Timer system clock\n");
/* Set the countdown value */
co_cpu_write(CO_CPU_TIMEVAL, CO_TIME_HZ/HZ);
/* Start the timer */
co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) | CO_CTRL_TIMERUN);
/* Enable (unmask) the timer interrupt */
co_cpu_write(CO_CPU_CTRL, co_cpu_read(CO_CPU_CTRL) & ~CO_CTRL_TIMEMASK);
/*
* Zero return means the generic timer setup code will set up
* the standard vector:
*/
return 0;
}
static __init void cobalt_init(void)
{
/*
* On normal SMP PC this is used only with SMP, but we have to
* use it and set it up here to start the Cobalt clock
*/
set_fixmap(FIX_APIC_BASE, APIC_DEFAULT_PHYS_BASE);
setup_local_APIC();
printk(KERN_INFO "Local APIC Version %#lx, ID %#lx\n",
apic_read(APIC_LVR), apic_read(APIC_ID));
set_fixmap(FIX_CO_CPU, CO_CPU_PHYS);
set_fixmap(FIX_CO_APIC, CO_APIC_PHYS);
printk(KERN_INFO "Cobalt Revision %#lx, APIC ID %#lx\n",
co_cpu_read(CO_CPU_REV), co_apic_read(CO_APIC_ID));
/* Enable Cobalt APIC being careful to NOT change the ID! */
co_apic_write(CO_APIC_ID, co_apic_read(CO_APIC_ID) | CO_APIC_ENABLE);
printk(KERN_INFO "Cobalt APIC enabled: ID reg %#lx\n",
co_apic_read(CO_APIC_ID));
}
