Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (137 commits)
  sh: include empty zero page in romImage
  sh: Make associative cache writes fatal on all SH-4A parts.
  sh: Drop associative writes for SH-4 cache flushes.
  sh: Partial revert of copy/clear_user_highpage() optimizations.
  sh: Add default uImage rule for se7724, ap325rxa, and migor.
  sh: allow runtime pm without suspend/resume callbacks
  sh: mach-ecovec24: Remove un-defined settings for VPU
  sh: mach-ecovec24: LCDC drive ability become high
  sh: fix sh7724 VEU3F resource size
  serial: sh-sci: Fix too early port disabling.
  sh: pfc: pr_info() -> pr_debug() cleanups.
  sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
  sh: Improve kfr2r09 serial port setup code
  sh: Break out SuperH PFC code
  sh: Move KEYSC header file
  sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
  sh: Add CPG save/restore code for sh7724 R-standby
  sh: Add SDHI power control support to Ecovec
  mfd: Add power control platform data to SDHI driver
  sh: mach-ecovec24: modify address map
  ...

1 files changed, 65 insertions, 0 deletions

diff --git a/arch/sh/include/asm/suspend.h b/arch/sh/include/asm/suspend.h
index 5c8ea28ff7a..fe9c2a1ad04 100644
--- a/arch/sh/include/asm/suspend.h
+++ b/arch/sh/include/asm/suspend.h
@@ -2,6 +2,7 @@
 #define _ASM_SH_SUSPEND_H
 
 #ifndef __ASSEMBLY__
+#include <linux/notifier.h>
 static inline int arch_prepare_suspend(void) { return 0; }
 
 #include <asm/ptrace.h>
@@ -19,6 +20,69 @@ void sh_mobile_setup_cpuidle(void);
 static inline void sh_mobile_setup_cpuidle(void) {}
 #endif
 
+/* notifier chains for pre/post sleep hooks */
+extern struct atomic_notifier_head sh_mobile_pre_sleep_notifier_list;
+extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list;
+
+/* priority levels for notifiers */
+#define SH_MOBILE_SLEEP_BOARD	0
+#define SH_MOBILE_SLEEP_CPU	1
+#define SH_MOBILE_PRE(x)	(x)
+#define SH_MOBILE_POST(x)	(-(x))
+
+/* board code registration function for self-refresh assembly snippets */
+void sh_mobile_register_self_refresh(unsigned long flags,
+				     void *pre_start, void *pre_end,
+				     void *post_start, void *post_end);
+
+/* register structure for address/data information */
+struct sh_sleep_regs {
+	unsigned long stbcr;
+	unsigned long bar;
+
+	/* MMU */
+	unsigned long pteh;
+	unsigned long ptel;
+	unsigned long ttb;
+	unsigned long tea;
+	unsigned long mmucr;
+	unsigned long ptea;
+	unsigned long pascr;
+	unsigned long irmcr;
+
+	/* Cache */
+	unsigned long ccr;
+	unsigned long ramcr;
+};
+
+/* data area for low-level sleep code */
+struct sh_sleep_data {
+	/* current sleep mode (SUSP_SH_...) */
+	unsigned long mode;
+
+	/* addresses of board specific self-refresh snippets */
+	unsigned long sf_pre;
+	unsigned long sf_post;
+
+	/* address of resume code */
+	unsigned long resume;
+
+	/* register state saved and restored by the assembly code */
+	unsigned long vbr;
+	unsigned long spc;
+	unsigned long sr;
+	unsigned long sp;
+
+	/* structure for keeping register addresses */
+	struct sh_sleep_regs addr;
+
+	/* structure for saving/restoring register state */
+	struct sh_sleep_regs data;
+};
+
+/* a bitmap of supported sleep modes (SUSP_SH..) */
+extern unsigned long sh_mobile_sleep_supported;
+
 #endif
 
 /* flags passed to assembly suspend code */
@@ -27,5 +91,6 @@ static inline void sh_mobile_setup_cpuidle(void) {}
 #define SUSP_SH_RSTANDBY	(1 << 2) /* SH-Mobile R-standby mode */
 #define SUSP_SH_USTANDBY	(1 << 3) /* SH-Mobile U-standby mode */
 #define SUSP_SH_SF		(1 << 4) /* Enable self-refresh */
+#define SUSP_SH_MMU		(1 << 5) /* Save/restore MMU and cache */
 
 #endif /* _ASM_SH_SUSPEND_H */