diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h
new file mode 100644
index 0000000..b78d408
--- /dev/null
+++ b/include/asm-ppc/machdep.h
@@ -0,0 +1,154 @@
+#ifdef __KERNEL__
+#ifndef _PPC_MACHDEP_H
+#define _PPC_MACHDEP_H
+
+#include <linux/config.h>
+#include <linux/init.h>
+
+#include <asm/setup.h>
+#include <asm/page.h>
+
+#ifdef CONFIG_APUS
+#include <asm-m68k/machdep.h>
+#endif
+
+struct pt_regs;
+struct pci_bus;	
+struct pci_dev;
+struct seq_file;
+struct file;
+
+/* We export this macro for external modules like Alsa to know if
+ * ppc_md.feature_call is implemented or not
+ */
+#define CONFIG_PPC_HAS_FEATURE_CALLS
+
+struct machdep_calls {
+	void		(*setup_arch)(void);
+	/* Optional, may be NULL. */
+	int		(*show_cpuinfo)(struct seq_file *m);
+	int		(*show_percpuinfo)(struct seq_file *m, int i);
+	/* Optional, may be NULL. */
+	unsigned int	(*irq_canonicalize)(unsigned int irq);
+	void		(*init_IRQ)(void);
+	int		(*get_irq)(struct pt_regs *);
+	
+	/* A general init function, called by ppc_init in init/main.c.
+	   May be NULL. */
+	void		(*init)(void);
+
+	void		(*restart)(char *cmd);
+	void		(*power_off)(void);
+	void		(*halt)(void);
+
+	void		(*idle)(void);
+	void		(*power_save)(void);
+
+	long		(*time_init)(void); /* Optional, may be NULL */
+	int		(*set_rtc_time)(unsigned long nowtime);
+	unsigned long	(*get_rtc_time)(void);
+	unsigned char 	(*rtc_read_val)(int addr);
+	void		(*rtc_write_val)(int addr, unsigned char val);
+	void		(*calibrate_decr)(void);
+
+	void		(*heartbeat)(void);
+	unsigned long	heartbeat_reset;
+	unsigned long	heartbeat_count;
+
+	unsigned long	(*find_end_of_memory)(void);
+	void		(*setup_io_mappings)(void);
+
+	void		(*early_serial_map)(void);
+  	void		(*progress)(char *, unsigned short);
+	void		(*kgdb_map_scc)(void);
+
+	unsigned char 	(*nvram_read_val)(int addr);
+	void		(*nvram_write_val)(int addr, unsigned char val);
+	void		(*nvram_sync)(void);
+
+	/*
+	 * optional PCI "hooks"
+	 */
+
+	/* Called after scanning the bus, before allocating resources */
+	void (*pcibios_fixup)(void);
+
+	/* Called after PPC generic resource fixup to perform
+	   machine specific fixups */
+	void (*pcibios_fixup_resources)(struct pci_dev *);
+
+	/* Called for each PCI bus in the system when it's probed */
+	void (*pcibios_fixup_bus)(struct pci_bus *);
+
+	/* Called when pci_enable_device() is called (initial=0) or
+	 * when a device with no assigned resource is found (initial=1).
+	 * Returns 0 to allow assignment/enabling of the device. */
+	int  (*pcibios_enable_device_hook)(struct pci_dev *, int initial);
+
+	/* For interrupt routing */
+	unsigned char (*pci_swizzle)(struct pci_dev *, unsigned char *);
+	int (*pci_map_irq)(struct pci_dev *, unsigned char, unsigned char);
+
+	/* Called in indirect_* to avoid touching devices */
+	int (*pci_exclude_device)(unsigned char, unsigned char);
+
+	/* Called at then very end of pcibios_init() */
+	void (*pcibios_after_init)(void);
+
+	/* Get access protection for /dev/mem */
+	pgprot_t	(*phys_mem_access_prot)(struct file *file,
+						unsigned long offset,
+						unsigned long size,
+						pgprot_t vma_prot);
+
+	/* this is for modules, since _machine can be a define -- Cort */
+	int ppc_machine;
+
+	/* Motherboard/chipset features. This is a kind of general purpose
+	 * hook used to control some machine specific features (like reset
+	 * lines, chip power control, etc...).
+	 */
+	long (*feature_call)(unsigned int feature, ...);
+
+#ifdef CONFIG_SMP
+	/* functions for dealing with other cpus */
+	struct smp_ops_t *smp_ops;
+#endif /* CONFIG_SMP */
+};
+
+extern struct machdep_calls ppc_md;
+extern char cmd_line[COMMAND_LINE_SIZE];
+
+extern void setup_pci_ptrs(void);
+
+/*
+ * Power macintoshes have either a CUDA or a PMU controlling
+ * system reset, power, NVRAM, RTC.
+ */
+typedef enum sys_ctrler_kind {
+	SYS_CTRLER_UNKNOWN = 0,
+	SYS_CTRLER_CUDA = 1,
+	SYS_CTRLER_PMU = 2,
+	SYS_CTRLER_SMU = 3,
+} sys_ctrler_t;
+
+extern sys_ctrler_t sys_ctrler;
+
+#ifdef CONFIG_SMP
+struct smp_ops_t {
+	void  (*message_pass)(int target, int msg, unsigned long data, int wait);
+	int   (*probe)(void);
+	void  (*kick_cpu)(int nr);
+	void  (*setup_cpu)(int nr);
+	void  (*space_timers)(int nr);
+	void  (*take_timebase)(void);
+	void  (*give_timebase)(void);
+};
+
+/* Poor default implementations */
+extern void __devinit smp_generic_give_timebase(void);
+extern void __devinit smp_generic_take_timebase(void);
+#endif /* CONFIG_SMP */
+
+#endif /* _PPC_MACHDEP_H */
+#endif /* __KERNEL__ */