1 files changed, 30 insertions, 13 deletions

diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5348b820788c..5ed847680754 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -47,6 +47,7 @@ struct smp_ops_t {
 #endif
 
 struct machdep_calls {
+        char            *name;
 #ifdef CONFIG_PPC64
         void            (*hpte_invalidate)(unsigned long slot,
                                            unsigned long va,
@@ -85,9 +86,9 @@ struct machdep_calls {
         void            (*iommu_dev_setup)(struct pci_dev *dev);
         void            (*iommu_bus_setup)(struct pci_bus *bus);
         void            (*irq_bus_setup)(struct pci_bus *bus);
-#endif
+#endif /* CONFIG_PPC64 */
 
-        int             (*probe)(int platform);
+        int             (*probe)(void);
         void            (*setup_arch)(void);
         void            (*init_early)(void);
         /* Optional, may be NULL. */
@@ -158,6 +159,12 @@ struct machdep_calls {
         /* Idle loop for this platform, leave empty for default idle loop */
         void            (*idle_loop)(void);
 
+        /*
+         * Function for waiting for work with reduced power in idle loop;
+         * called with interrupts disabled.
+         */
+        void            (*power_save)(void);
+
         /* Function to enable performance monitor counters for this
            platform, called once per cpu. */
         void            (*enable_pmcs)(void);
@@ -170,13 +177,6 @@ struct machdep_calls {
            May be NULL. */
         void            (*init)(void);
 
-        void            (*idle)(void);
-        void            (*power_save)(void);
-
-        void            (*heartbeat)(void);
-        unsigned long   heartbeat_reset;
-        unsigned long   heartbeat_count;
-
         void            (*setup_io_mappings)(void);
 
         void            (*early_serial_map)(void);
@@ -208,8 +208,6 @@ struct machdep_calls {
         /* Called at then very end of pcibios_init() */
         void (*pcibios_after_init)(void);
 
-        /* this is for modules, since _machine can be a define -- Cort */
-        int ppc_machine;
 #endif /* CONFIG_PPC32 */
 
         /* Called to shutdown machine specific hardware not already controlled
@@ -242,10 +240,29 @@ struct machdep_calls {
 #endif /* CONFIG_KEXEC */
 };
 
-extern void default_idle(void);
-extern void native_idle(void);
+extern void power4_idle(void);
+extern void ppc6xx_idle(void);
 
+/*
+ * ppc_md contains a copy of the machine description structure for the
+ * current platform. machine_id contains the initial address where the
+ * description was found during boot.
+ */
 extern struct machdep_calls ppc_md;
+extern struct machdep_calls *machine_id;
+
+#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
+
+#define define_machine(name) struct machdep_calls mach_##name __machine_desc =
+#define machine_is(name) \
+        ({ \
+                extern struct machdep_calls mach_##name \
+                        __attribute__((weak));           \
+                machine_id == &mach_##name; \
+        })
+
+extern void probe_machine(void);
+
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 #ifdef CONFIG_PPC_PMAC