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Commit 538380da authored by Jesper Nilsson's avatar Jesper Nilsson
Browse files

CRIS v32: Update kernel/smp.c for CRIS v32. 

- Change include paths to machine specific headers (asm/arch/hwregs -> hwregs)
- Add cpu_possible_map as cpumask_t and export it.
- Drop struct pt_regs parameter from crisv32_ipi_interrupt.
- timer -> timer0
parent 574852a2

arch/cris/arch-v32/kernel/smp.c

+21 −10
Original line number Diff line number Diff line 
#include <linux/types.h>

#include <asm/delay.h>

#include <asm/arch/irq.h>

#include <asm/arch/hwregs/intr_vect.h>

#include <asm/arch/hwregs/intr_vect_defs.h>

#include <irq.h>

#include <hwregs/intr_vect.h>

#include <hwregs/intr_vect_defs.h>

#include <asm/tlbflush.h>

#include <asm/mmu_context.h>

#include <asm/arch/hwregs/mmu_defs_asm.h>

#include <asm/arch/hwregs/supp_reg.h>

#include <hwregs/asm/mmu_defs_asm.h>

#include <hwregs/supp_reg.h>

#include <asm/atomic.h>



#include <linux/err.h>
@@ -20,6 +21,7 @@ 
#define IPI_SCHEDULE 1

#define IPI_CALL 2

#define IPI_FLUSH_TLB 4

#define IPI_BOOT 8



#define FLUSH_ALL (void*)0xffffffff
@@ -30,6 +32,8 @@ spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED}; 
cpumask_t cpu_online_map = CPU_MASK_NONE;

EXPORT_SYMBOL(cpu_online_map);

cpumask_t phys_cpu_present_map = CPU_MASK_NONE;

cpumask_t cpu_possible_map;

EXPORT_SYMBOL(cpu_possible_map);

EXPORT_SYMBOL(phys_cpu_present_map);



/* Variables used during SMP boot */
@@ -55,13 +59,12 @@ static unsigned long flush_addr; 
extern int setup_irq(int, struct irqaction *);



/* Mode registers */

static unsigned long irq_regs[NR_CPUS] =

{

static unsigned long irq_regs[NR_CPUS] = {

  regi_irq,

  regi_irq2

};



static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs);

static irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id);

static int send_ipi(int vector, int wait, cpumask_t cpu_mask);

static struct irqaction irq_ipi  = {

	.handler = crisv32_ipi_interrupt,
@@ -101,6 +104,7 @@ void __devinit smp_prepare_boot_cpu(void) 


	cpu_set(0, cpu_online_map);

	cpu_set(0, phys_cpu_present_map);

	cpu_set(0, cpu_possible_map);

}



void __init smp_cpus_done(unsigned int max_cpus)
@@ -113,6 +117,7 @@ smp_boot_one_cpu(int cpuid) 
{

	unsigned timeout;

	struct task_struct *idle;

	cpumask_t cpu_mask = CPU_MASK_NONE;



	idle = fork_idle(cpuid);

	if (IS_ERR(idle))
@@ -124,6 +129,12 @@ smp_boot_one_cpu(int cpuid) 
	smp_init_current_idle_thread = task_thread_info(idle);

	cpu_now_booting = cpuid;



	/* Kick it */

	cpu_set(cpuid, cpu_online_map);

	cpu_set(cpuid, cpu_mask);

	send_ipi(IPI_BOOT, 0, cpu_mask);

	cpu_clear(cpuid, cpu_online_map);



	/* Wait for CPU to come online */

	for (timeout = 0; timeout < 10000; timeout++) {

		if(cpu_online(cpuid)) {
@@ -165,7 +176,7 @@ void __init smp_callin(void) 
	/* Enable IRQ and idle */

	REG_WR(intr_vect, irq_regs[cpu], rw_mask, vect_mask);

	unmask_irq(IPI_INTR_VECT);

	unmask_irq(TIMER_INTR_VECT);

	unmask_irq(TIMER0_INTR_VECT);

	preempt_disable();

	local_irq_enable();
@@ -328,7 +339,7 @@ int smp_call_function(void (*func)(void *info), void *info, 
	return ret;

}



irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id, struct pt_regs *regs)

irqreturn_t crisv32_ipi_interrupt(int irq, void *dev_id)

{

	void (*func) (void *info) = call_data->func;

	void *info = call_data->info;