OMAP3: PM: PRCM context save/restore

Add context save and restore for PRCM module to support off-mode.
Additional registers (CM_CLKSEL4, CM_CLKEN, CM_CLKEN2) added by Tero
Kristo.

Missing CM_CLKEN_PLL_IVA2 register added by Kalle Jokiniemi.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

2 files changed, 7 insertions, 1 deletions

diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index 805819f3a868..835f5b7aa4b6 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -112,6 +112,8 @@
 #define OMAP24XX_CONTROL_TEST_KEY_8     (OMAP2_CONTROL_GENERAL + 0x00e0)
 #define OMAP24XX_CONTROL_TEST_KEY_9     (OMAP2_CONTROL_GENERAL + 0x00e4)
 
+#define OMAP343X_CONTROL_PADCONF_SYSNIRQ (OMAP2_CONTROL_INTERFACE + 0x01b0)
+
 /* 34xx-only CONTROL_GENERAL register offsets */
 #define OMAP343X_CONTROL_PADCONF_OFF    (OMAP2_CONTROL_GENERAL + 0x0000)
 #define OMAP343X_CONTROL_MEM_DFTRW0     (OMAP2_CONTROL_GENERAL + 0x0008)
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index cda2a70397b4..e63e94e18975 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -27,9 +27,13 @@ u32 omap_prcm_get_reset_sources(void);
 void omap_prcm_arch_reset(char mode);
 int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name);
 
-#endif
+#define START_PADCONF_SAVE 0x2
+#define PADCONF_SAVE_DONE  0x1
 
+void omap3_prcm_save_context(void);
+void omap3_prcm_restore_context(void);
 
+#endif