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Commit 8cdfd834 authored by Nishanth Menon's avatar Nishanth Menon Committed by Kevin Hilman
Browse files

OMAP3: pm: introduce errata handling 



Introduce errata handling for OMAP3. This patch introduces
errata variable and stub for initialization which will be
filled up by follow-on patches.

Signed-off-by: default avatarNishanth Menon <nm@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent 9d93b8a2

arch/arm/mach-omap2/pm.h

+7 −0
Original line number Diff line number Diff line
@@ -85,4 +85,11 @@ extern unsigned int save_secure_ram_context_sz; 
extern unsigned int omap24xx_cpu_suspend_sz;

extern unsigned int omap34xx_cpu_suspend_sz;



#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)

extern u16 pm34xx_errata;

#define IS_PM34XX_ERRATUM(id)		(pm34xx_errata & (id))

#else

#define IS_PM34XX_ERRATUM(id)		0

#endif		/* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */



#endif

arch/arm/mach-omap2/pm34xx.c

+9 −0
Original line number Diff line number Diff line
@@ -68,6 +68,9 @@ static inline bool is_suspending(void) 
#define OMAP343X_TABLE_VALUE_OFFSET	   0xc0

#define OMAP343X_CONTROL_REG_VALUE_OFFSET  0xc8



/* pm34xx errata defined in pm.h */

u16 pm34xx_errata;



struct power_state {

	struct powerdomain *pwrdm;

	u32 next_state;
@@ -991,6 +994,10 @@ void omap_push_sram_idle(void) 
				save_secure_ram_context_sz);

}



static void __init pm_errata_configure(void)

{

}



static int __init omap3_pm_init(void)

{

	struct power_state *pwrst, *tmp;
@@ -1000,6 +1007,8 @@ static int __init omap3_pm_init(void) 
	if (!cpu_is_omap34xx())

		return -ENODEV;



	pm_errata_configure();



	printk(KERN_ERR "Power Management for TI OMAP3.\n");



	/* XXX prcm_setup_regs needs to be before enabling hw