unicore32 additional architecture files: pm related files

This patch adds pm related files, including hibernate and sleep supports.

Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>

2 files changed, 73 insertions, 0 deletions

diff --git a/arch/unicore32/include/asm/suspend.h b/arch/unicore32/include/asm/suspend.h
new file mode 100644
index 0000000..88a9c0f
--- /dev/null
+++ b/arch/unicore32/include/asm/suspend.h
@@ -0,0 +1,30 @@
+/*
+ * linux/arch/unicore32/include/asm/suspend.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __UNICORE_SUSPEND_H__
+#define __UNICORE_SUSPEND_H__
+
+#ifndef __ASSEMBLY__
+static inline int arch_prepare_suspend(void) { return 0; }
+
+#include <asm/ptrace.h>
+
+struct swsusp_arch_regs {
+	struct cpu_context_save	cpu_context;	/* cpu context */
+#ifdef CONFIG_UNICORE_FPU_F64
+	struct fp_state		fpstate __attribute__((aligned(8)));
+#endif
+};
+#endif
+
+#endif /* __UNICORE_SUSPEND_H__ */
+
diff --git a/arch/unicore32/include/mach/pm.h b/arch/unicore32/include/mach/pm.h
new file mode 100644
index 0000000..4dcd34a
--- /dev/null
+++ b/arch/unicore32/include/mach/pm.h
@@ -0,0 +1,43 @@
+/*
+ * linux/arch/unicore/include/mach/pm.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __PUV3_PM_H__
+#define __PUV3_PM_H__
+
+#include <linux/suspend.h>
+
+struct puv3_cpu_pm_fns {
+	int	save_count;
+	void	(*save)(unsigned long *);
+	void	(*restore)(unsigned long *);
+	int	(*valid)(suspend_state_t state);
+	void	(*enter)(suspend_state_t state);
+	int	(*prepare)(void);
+	void	(*finish)(void);
+};
+
+extern struct puv3_cpu_pm_fns *puv3_cpu_pm_fns;
+
+/* sleep.S */
+extern void puv3_cpu_suspend(unsigned int);
+
+extern void puv3_cpu_resume(void);
+
+extern int puv3_pm_enter(suspend_state_t state);
+
+/* Defined in hibernate_asm.S */
+extern int restore_image(pgd_t *resume_pg_dir, struct pbe *restore_pblist);
+
+/* References to section boundaries */
+extern const void __nosave_begin, __nosave_end;
+
+extern struct pbe *restore_pblist;
+#endif