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bf60x: pm: add smc nor flash syscore ops

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Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
This commit is contained in:
Steven Miao 2012-06-07 14:17:12 +08:00 committed by Bob Liu
parent 5f78028b1a
commit 923680cbee
2 changed files with 25 additions and 1 deletions
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3
arch/blackfin/mach-bf609/include/mach/pm.h
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@ -18,4 +18,7 @@ extern void bf609_pm_finish(void);
void bf609_hibernate(void); void bf609_hibernate(void);
void bfin_sec_raise_irq(unsigned int sid); void bfin_sec_raise_irq(unsigned int sid);
void coreb_enable(void); void coreb_enable(void);
int bf609_nor_flash_init(void);
void bf609_nor_flash_exit(void);
#endif #endif

23
arch/blackfin/mach-bf609/pm.c
View File

@ -11,8 +11,8 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/syscore_ops.h>
#include <asm/dpmc.h> #include <asm/dpmc.h>
#include <asm/pm.h> #include <asm/pm.h>
@ -293,6 +293,23 @@ static struct bfin_cpu_pm_fns bf609_cpu_pm = {
.finish = bf609_cpu_pm_finish, .finish = bf609_cpu_pm_finish,
}; };
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static void smc_pm_syscore_suspend(void)
{
bf609_nor_flash_exit();
}
static void smc_pm_syscore_resume(void)
{
bf609_nor_flash_init();
}
static struct syscore_ops smc_pm_syscore_ops = {
.suspend = smc_pm_syscore_suspend,
.resume = smc_pm_syscore_resume,
};
#endif
static irqreturn_t test_isr(int irq, void *dev_id) static irqreturn_t test_isr(int irq, void *dev_id)
{ {
printk(KERN_DEBUG "gpio irq %d\n", irq); printk(KERN_DEBUG "gpio irq %d\n", irq);
@ -312,6 +329,10 @@ static int __init bf609_init_pm(void)
int irq; int irq;
int error; int error;
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
register_syscore_ops(&smc_pm_syscore_ops);
#endif
#ifdef CONFIG_PM_BFIN_WAKE_PE12 #ifdef CONFIG_PM_BFIN_WAKE_PE12
irq = gpio_to_irq(GPIO_PE12); irq = gpio_to_irq(GPIO_PE12);
if (irq < 0) { if (irq < 0) {