OMAP3: PM: SCM context save/restore

Add context save and restore for the System Control Module to suport
off-mode.

ETK and debobs definitions added by Peter De Schrijver.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 47 insertions, 2 deletions

diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index 1076dd967390..8ca73471ba45 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -146,8 +146,51 @@
 #define OMAP343X_CONTROL_TEST_KEY_13    (OMAP2_CONTROL_GENERAL + 0x00fc)
 #define OMAP343X_CONTROL_IVA2_BOOTADDR  (OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD   (OMAP2_CONTROL_GENERAL + 0x0194)
-#define OMAP343X_CONTROL_PBIAS_LITE     (OMAP2_CONTROL_GENERAL + 0x02b0)
-#define OMAP343X_CONTROL_TEMP_SENSOR    (OMAP2_CONTROL_GENERAL + 0x02b4)
+#define OMAP343X_CONTROL_DEBOBS(i)      (OMAP2_CONTROL_GENERAL + 0x01B0 \
+                                        + ((i) >> 1) * 4 + (!(i) & 1) * 2)
+#define OMAP343X_CONTROL_PROG_IO0       (OMAP2_CONTROL_GENERAL + 0x01D4)
+#define OMAP343X_CONTROL_PROG_IO1       (OMAP2_CONTROL_GENERAL + 0x01D8)
+#define OMAP343X_CONTROL_DSS_DPLL_SPREADING     (OMAP2_CONTROL_GENERAL + 0x01E0)
+#define OMAP343X_CONTROL_CORE_DPLL_SPREADING    (OMAP2_CONTROL_GENERAL + 0x01E4)
+#define OMAP343X_CONTROL_PER_DPLL_SPREADING     (OMAP2_CONTROL_GENERAL + 0x01E8)
+#define OMAP343X_CONTROL_USBHOST_DPLL_SPREADING (OMAP2_CONTROL_GENERAL + 0x01EC)
+#define OMAP343X_CONTROL_PBIAS_LITE     (OMAP2_CONTROL_GENERAL + 0x02B0)
+#define OMAP343X_CONTROL_TEMP_SENSOR    (OMAP2_CONTROL_GENERAL + 0x02B4)
+#define OMAP343X_CONTROL_SRAMLDO4       (OMAP2_CONTROL_GENERAL + 0x02B8)
+#define OMAP343X_CONTROL_SRAMLDO5       (OMAP2_CONTROL_GENERAL + 0x02C0)
+#define OMAP343X_CONTROL_CSI            (OMAP2_CONTROL_GENERAL + 0x02C4)
+
+
+/* 34xx PADCONF register offsets */
+#define OMAP343X_PADCONF_ETK(i)         (OMAP2_CONTROL_PADCONFS + 0x5a8 + \
+                                                (i)*2)
+#define OMAP343X_PADCONF_ETK_CLK        OMAP343X_PADCONF_ETK(0)
+#define OMAP343X_PADCONF_ETK_CTL        OMAP343X_PADCONF_ETK(1)
+#define OMAP343X_PADCONF_ETK_D0         OMAP343X_PADCONF_ETK(2)
+#define OMAP343X_PADCONF_ETK_D1         OMAP343X_PADCONF_ETK(3)
+#define OMAP343X_PADCONF_ETK_D2         OMAP343X_PADCONF_ETK(4)
+#define OMAP343X_PADCONF_ETK_D3         OMAP343X_PADCONF_ETK(5)
+#define OMAP343X_PADCONF_ETK_D4         OMAP343X_PADCONF_ETK(6)
+#define OMAP343X_PADCONF_ETK_D5         OMAP343X_PADCONF_ETK(7)
+#define OMAP343X_PADCONF_ETK_D6         OMAP343X_PADCONF_ETK(8)
+#define OMAP343X_PADCONF_ETK_D7         OMAP343X_PADCONF_ETK(9)
+#define OMAP343X_PADCONF_ETK_D8         OMAP343X_PADCONF_ETK(10)
+#define OMAP343X_PADCONF_ETK_D9         OMAP343X_PADCONF_ETK(11)
+#define OMAP343X_PADCONF_ETK_D10        OMAP343X_PADCONF_ETK(12)
+#define OMAP343X_PADCONF_ETK_D11        OMAP343X_PADCONF_ETK(13)
+#define OMAP343X_PADCONF_ETK_D12        OMAP343X_PADCONF_ETK(14)
+#define OMAP343X_PADCONF_ETK_D13        OMAP343X_PADCONF_ETK(15)
+#define OMAP343X_PADCONF_ETK_D14        OMAP343X_PADCONF_ETK(16)
+#define OMAP343X_PADCONF_ETK_D15        OMAP343X_PADCONF_ETK(17)
+
+/* 34xx GENERAL_WKUP regist offsets */
+#define OMAP343X_CONTROL_WKUP_DEBOBSMUX(i) (OMAP343X_CONTROL_GENERAL_WKUP + \
+                                                0x008 + (i))
+#define OMAP343X_CONTROL_WKUP_DEBOBS0 (OMAP343X_CONTROL_GENERAL_WKUP + 0x008)
+#define OMAP343X_CONTROL_WKUP_DEBOBS1 (OMAP343X_CONTROL_GENERAL_WKUP + 0x00C)
+#define OMAP343X_CONTROL_WKUP_DEBOBS2 (OMAP343X_CONTROL_GENERAL_WKUP + 0x010)
+#define OMAP343X_CONTROL_WKUP_DEBOBS3 (OMAP343X_CONTROL_GENERAL_WKUP + 0x014)
+#define OMAP343X_CONTROL_WKUP_DEBOBS4 (OMAP343X_CONTROL_GENERAL_WKUP + 0x018)
 
 /* 34xx D2D idle-related pins, handled by PM core */
 #define OMAP3_PADCONF_SAD2D_MSTANDBY   0x250
@@ -226,6 +269,8 @@ extern void omap3_save_scratchpad_contents(void);
 extern void omap3_clear_scratchpad_contents(void);
 extern u32 *get_restore_pointer(void);
 extern u32 omap3_arm_context[128];
+extern void omap3_control_save_context(void);
+extern void omap3_control_restore_context(void);
 
 #else
 #define omap_ctrl_base_get()            0