diff options
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 18 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/control.h | 4 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 99c0eb645d4..8b3c469e7bc 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -138,6 +138,7 @@ static struct omap3_control_regs control_context; #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */ #define OMAP_CTRL_REGADDR(reg) (omap2_ctrl_base + (reg)) +#define OMAP4_CTRL_PAD_REGADDR(reg) (omap4_ctrl_pad_base + (reg)) void __init omap2_set_globals_control(struct omap_globals *omap2_globals) { @@ -189,6 +190,23 @@ void omap_ctrl_writel(u32 val, u16 offset) __raw_writel(val, OMAP_CTRL_REGADDR(offset)); } +/* + * On OMAP4 control pad are not addressable from control + * core base. So the common omap_ctrl_read/write APIs breaks + * Hence export separate APIs to manage the omap4 pad control + * registers. This APIs will work only for OMAP4 + */ + +u32 omap4_ctrl_pad_readl(u16 offset) +{ + return __raw_readl(OMAP4_CTRL_PAD_REGADDR(offset)); +} + +void omap4_ctrl_pad_writel(u32 val, u16 offset) +{ + __raw_writel(val, OMAP4_CTRL_PAD_REGADDR(offset)); +} + #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM) /* * Clears the scratchpad contents in case of cold boot- diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h index 131bf405c2f..2916b7e9372 100644 --- a/arch/arm/plat-omap/include/plat/control.h +++ b/arch/arm/plat-omap/include/plat/control.h @@ -354,9 +354,11 @@ extern void __iomem *omap_ctrl_base_get(void); extern u8 omap_ctrl_readb(u16 offset); extern u16 omap_ctrl_readw(u16 offset); extern u32 omap_ctrl_readl(u16 offset); +extern u32 omap4_ctrl_pad_readl(u16 offset); extern void omap_ctrl_writeb(u8 val, u16 offset); extern void omap_ctrl_writew(u16 val, u16 offset); extern void omap_ctrl_writel(u32 val, u16 offset); +extern void omap4_ctrl_pad_writel(u32 val, u16 offset); extern void omap3_save_scratchpad_contents(void); extern void omap3_clear_scratchpad_contents(void); @@ -371,9 +373,11 @@ extern void omap3_control_restore_context(void); #define omap_ctrl_readb(x) 0 #define omap_ctrl_readw(x) 0 #define omap_ctrl_readl(x) 0 +#define omap4_ctrl_pad_readl(x) 0 #define omap_ctrl_writeb(x, y) WARN_ON(1) #define omap_ctrl_writew(x, y) WARN_ON(1) #define omap_ctrl_writel(x, y) WARN_ON(1) +#define omap4_ctrl_pad_writel(x, y) WARN_ON(1) #endif #endif /* __ASSEMBLY__ */ |