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| author | Nishanth Menon <nm@ti.com> | 2010-12-20 14:05:05 -0600 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-12-21 14:45:49 -0800 |
| commit | 8cdfd83473d9b408b924b5d32777ac3fddd251ff (patch) | |
| tree | 766f42a95cb146424dc4276d0c9ee1dbf29ded28 /arch/arm/mach-omap2 | |
| parent | 9d93b8a2c8c78972f0a3d15a820288dbb3968bf2 (diff) | |
| download | talos-obmc-linux-8cdfd83473d9b408b924b5d32777ac3fddd251ff.tar.gz talos-obmc-linux-8cdfd83473d9b408b924b5d32777ac3fddd251ff.zip | |
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: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/pm.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 9 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 0d75bfd1fdbe..0348fd717f61 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -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 diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 5bf344a3fcf5..288bee32e2b2 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -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 |
