diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index 3f25f7f..e5de31a 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -32,6 +32,7 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/bcd.h>
+#include <linux/rtc.h>
 
 #include <asm/time.h>
 #include <asm/uaccess.h>
@@ -1307,11 +1308,14 @@
 	return 0;
 }
 
-void iSeries_get_boot_time(struct rtc_time *tm)
+unsigned long iSeries_get_boot_time(void)
 {
-	if (piranha_simulator)
-		return;
+	struct rtc_time tm;
 
-	mf_get_boot_rtc(tm);
-	tm->tm_mon  -= 1;
+	if (piranha_simulator)
+		return 0;
+
+	mf_get_boot_rtc(&tm);
+	return mktime(tm.tm_year + 1900, tm.tm_mon, tm.tm_mday,
+		      tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 93852c2..41cd5b6 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -73,8 +73,8 @@
 extern void ppcdbg_initialize(void);
 
 static void build_iSeries_Memory_Map(void);
-static int iseries_shared_idle(void);
-static int iseries_dedicated_idle(void);
+static void iseries_shared_idle(void);
+static void iseries_dedicated_idle(void);
 #ifdef CONFIG_PCI
 extern void iSeries_pci_final_fixup(void);
 #else
@@ -693,7 +693,7 @@
 	process_iSeries_events();
 }
 
-static int iseries_shared_idle(void)
+static void iseries_shared_idle(void)
 {
 	while (1) {
 		while (!need_resched() && !hvlpevent_is_pending()) {
@@ -715,11 +715,9 @@
 
 		schedule();
 	}
-
-	return 0;
 }
 
-static int iseries_dedicated_idle(void)
+static void iseries_dedicated_idle(void)
 {
 	long oldval;
 
@@ -749,8 +747,6 @@
 		ppc64_runlatch_on();
 		schedule();
 	}
-
-	return 0;
 }
 
 #ifndef CONFIG_PCI
diff --git a/arch/powerpc/platforms/iseries/setup.h b/arch/powerpc/platforms/iseries/setup.h
index 6da89ae..5213044 100644
--- a/arch/powerpc/platforms/iseries/setup.h
+++ b/arch/powerpc/platforms/iseries/setup.h
@@ -17,7 +17,7 @@
 #ifndef	__ISERIES_SETUP_H__
 #define	__ISERIES_SETUP_H__
 
-extern void iSeries_get_boot_time(struct rtc_time *tm);
+extern unsigned long iSeries_get_boot_time(void);
 extern int iSeries_set_rtc_time(struct rtc_time *tm);
 extern void iSeries_get_rtc_time(struct rtc_time *tm);
 
diff --git a/arch/powerpc/platforms/powermac/pmac.h b/arch/powerpc/platforms/powermac/pmac.h
index 81f5251..0a9ba70 100644
--- a/arch/powerpc/platforms/powermac/pmac.h
+++ b/arch/powerpc/platforms/powermac/pmac.h
@@ -10,9 +10,12 @@
  * pmac_* files. Mostly for use by pmac_setup
  */
 
+struct rtc_time;
+
 extern long pmac_time_init(void);
-extern unsigned long pmac_get_rtc_time(void);
-extern int pmac_set_rtc_time(unsigned long nowtime);
+extern unsigned long pmac_get_boot_time(void);
+extern void pmac_get_rtc_time(struct rtc_time *);
+extern int pmac_set_rtc_time(struct rtc_time *);
 extern void pmac_read_rtc_time(void);
 extern void pmac_calibrate_decr(void);
 extern void pmac_pcibios_fixup(void);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 7eb0c34..b6414e7 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -562,7 +562,6 @@
 	ppc_md.setup_arch     = pmac_setup_arch;
 	ppc_md.show_cpuinfo   = pmac_show_cpuinfo;
 	ppc_md.show_percpuinfo = pmac_show_percpuinfo;
-	ppc_md.irq_canonicalize = NULL;
 	ppc_md.init_IRQ       = pmac_pic_init;
 	ppc_md.get_irq        = pmac_get_irq; /* Changed later on ... */
 
@@ -578,6 +577,7 @@
 	ppc_md.time_init      = pmac_time_init;
 	ppc_md.set_rtc_time   = pmac_set_rtc_time;
 	ppc_md.get_rtc_time   = pmac_get_rtc_time;
+	ppc_md.get_boot_time  = pmac_get_boot_time;
 	ppc_md.calibrate_decr = pmac_calibrate_decr;
 
 	ppc_md.feature_call   = pmac_do_feature_call;
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index edb9fcc..3ee6d8a 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -77,8 +77,7 @@
 #endif
 }
 
-unsigned long
-pmac_get_rtc_time(void)
+unsigned long pmac_get_boot_time(void)
 {
 #if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU)
 	struct adb_request req;
@@ -118,20 +117,33 @@
 	return 0;
 }
 
-int
-pmac_set_rtc_time(unsigned long nowtime)
+void pmac_get_rtc_time(struct rtc_time *tm)
 {
+	unsigned long now;
+
+	now = pmac_get_boot_time();
+	to_tm(now, tm);
+	tm->tm_year -= 1900;
+	tm->tm_mon -= 1;		/* month is 0-based */
+}
+
+int pmac_set_rtc_time(struct rtc_time *tm)
+{
+	unsigned long nowtime;
 #if defined(CONFIG_ADB_CUDA) || defined(CONFIG_ADB_PMU)
 	struct adb_request req;
 #endif
 
+	nowtime = mktime(tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
+			 tm->tm_hour, tm->tm_min, tm->tm_sec);
 	nowtime += RTC_OFFSET;
 
 	switch (sys_ctrler) {
 #ifdef CONFIG_ADB_CUDA
 	case SYS_CTRLER_CUDA:
 		if (cuda_request(&req, NULL, 6, CUDA_PACKET, CUDA_SET_TIME,
-				 nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0)
+				 nowtime >> 24, nowtime >> 16, nowtime >> 8,
+				 nowtime) < 0)
 			return 0;
 		while (!req.complete)
 			cuda_poll();
@@ -221,7 +233,7 @@
 	case PBOOK_SLEEP_NOW:
 		do {
 			seq = read_seqbegin_irqsave(&xtime_lock, flags);
-			time_diff = xtime.tv_sec - pmac_get_rtc_time();
+			time_diff = xtime.tv_sec - pmac_get_boot_time();
 		} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
 		break;
 	case PBOOK_WAKE:
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index eb25ee2..0c84a44 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -84,8 +84,8 @@
 extern void pSeries_system_reset_exception(struct pt_regs *regs);
 extern int pSeries_machine_check_exception(struct pt_regs *regs);
 
-static int pseries_shared_idle(void);
-static int pseries_dedicated_idle(void);
+static void pseries_shared_idle(void);
+static void pseries_dedicated_idle(void);
 
 static volatile void __iomem * chrp_int_ack_special;
 struct mpic *pSeries_mpic;
@@ -488,8 +488,8 @@
 	}
 }
 
-static int pseries_dedicated_idle(void)
-{
+static void pseries_dedicated_idle(void)
+{ 
 	long oldval;
 	struct paca_struct *lpaca = get_paca();
 	unsigned int cpu = smp_processor_id();
@@ -544,7 +544,7 @@
 	}
 }
 
-static int pseries_shared_idle(void)
+static void pseries_shared_idle(void)
 {
 	struct paca_struct *lpaca = get_paca();
 	unsigned int cpu = smp_processor_id();
@@ -586,8 +586,6 @@
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
 	}
-
-	return 0;
 }
 
 static int pSeries_pci_probe_mode(struct pci_bus *bus)
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 954395d..8abd2ad 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -31,7 +31,7 @@
 
 extern void power4_idle(void);
 
-int default_idle(void)
+void default_idle(void)
 {
 	long oldval;
 	unsigned int cpu = smp_processor_id();
@@ -64,11 +64,9 @@
 		if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
 			cpu_die();
 	}
-
-	return 0;
 }
 
-int native_idle(void)
+void native_idle(void)
 {
 	while (1) {
 		ppc64_runlatch_off();
@@ -85,8 +83,6 @@
 		    system_state == SYSTEM_RUNNING)
 			cpu_die();
 	}
-
-	return 0;
 }
 
 void cpu_idle(void)
diff --git a/arch/ppc64/kernel/maple_setup.c b/arch/ppc64/kernel/maple_setup.c
index 2298767..a107ed6 100644
--- a/arch/ppc64/kernel/maple_setup.c
+++ b/arch/ppc64/kernel/maple_setup.c
@@ -70,7 +70,7 @@
 
 extern int maple_set_rtc_time(struct rtc_time *tm);
 extern void maple_get_rtc_time(struct rtc_time *tm);
-extern void maple_get_boot_time(struct rtc_time *tm);
+extern unsigned long maple_get_boot_time(void);
 extern void maple_calibrate_decr(void);
 extern void maple_pci_init(void);
 extern void maple_pcibios_fixup(void);
diff --git a/arch/ppc64/kernel/maple_time.c b/arch/ppc64/kernel/maple_time.c
index d65210a..cf51863 100644
--- a/arch/ppc64/kernel/maple_time.c
+++ b/arch/ppc64/kernel/maple_time.c
@@ -156,8 +156,9 @@
 	return 0;
 }
 
-void __init maple_get_boot_time(struct rtc_time *tm)
+unsigned long __init maple_get_boot_time(void)
 {
+	struct rtc_time tm;
 	struct device_node *rtcs;
 
 	rtcs = find_compatible_devices("rtc", "pnpPNP,b00");
@@ -170,6 +171,8 @@
 		       "legacy address (0x%x)\n", maple_rtc_addr);
 	}
 	
-	maple_get_rtc_time(tm);
+	maple_get_rtc_time(&tm);
+	return mktime(time->tm_year+1900, time->tm_mon+1, time->tm_mday,
+		      time->tm_hour, time->tm_min, time->tm_sec);
 }
 
diff --git a/arch/ppc64/kernel/pmac.h b/arch/ppc64/kernel/pmac.h
index 40e1c50..fa59f2a 100644
--- a/arch/ppc64/kernel/pmac.h
+++ b/arch/ppc64/kernel/pmac.h
@@ -9,7 +9,7 @@
  * pmac_* files. Mostly for use by pmac_setup
  */
 
-extern void pmac_get_boot_time(struct rtc_time *tm);
+extern unsigned long pmac_get_boot_time(void);
 extern void pmac_get_rtc_time(struct rtc_time *tm);
 extern int  pmac_set_rtc_time(struct rtc_time *tm);
 extern void pmac_read_rtc_time(void);
diff --git a/arch/ppc64/kernel/pmac_nvram.c b/arch/ppc64/kernel/pmac_nvram.c
index 11586d5..5fe9785 100644
--- a/arch/ppc64/kernel/pmac_nvram.c
+++ b/arch/ppc64/kernel/pmac_nvram.c
@@ -341,7 +341,7 @@
 }
 
 
-static int core99_nvram_sync(void)
+static void core99_nvram_sync(void)
 {
 	struct core99_header* hdr99;
 	unsigned long flags;
@@ -369,8 +369,6 @@
 			printk("nvram: Error writing bank %d\n", core99_bank);
  bail:
 	spin_unlock_irqrestore(&nv_lock, flags);
-
-	return 0;
 }
 
 int __init pmac_nvram_init(void)
diff --git a/arch/ppc64/kernel/pmac_time.c b/arch/ppc64/kernel/pmac_time.c
index 9d8c97d..c89bfef 100644
--- a/arch/ppc64/kernel/pmac_time.c
+++ b/arch/ppc64/kernel/pmac_time.c
@@ -21,6 +21,7 @@
 #include <linux/adb.h>
 #include <linux/pmu.h>
 #include <linux/interrupt.h>
+#include <linux/rtc.h>
 
 #include <asm/sections.h>
 #include <asm/prom.h>
@@ -135,23 +136,13 @@
 	}
 }
 
-void __init pmac_get_boot_time(struct rtc_time *tm)
+unsigned long __init pmac_get_boot_time(void)
 {
-	pmac_get_rtc_time(tm);
+	struct rtc_time tm;
 
-#ifdef disabled__CONFIG_NVRAM
-	s32 delta = 0;
-	int dst;
-	
-	delta = ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x9)) << 16;
-	delta |= ((s32)pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0xa)) << 8;
-	delta |= pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0xb);
-	if (delta & 0x00800000UL)
-		delta |= 0xFF000000UL;
-	dst = ((pmac_xpram_read(PMAC_XPRAM_MACHINE_LOC + 0x8) & 0x80) != 0);
-	printk("GMT Delta read from XPRAM: %d minutes, DST: %s\n", delta/60,
-		dst ? "on" : "off");
-#endif
+	pmac_get_rtc_time(&tm);
+	return mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
+		      tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
 
 /*
diff --git a/arch/ppc64/kernel/rtas-proc.c b/arch/ppc64/kernel/rtas-proc.c
index 1f3ff86..5bdd5b0 100644
--- a/arch/ppc64/kernel/rtas-proc.c
+++ b/arch/ppc64/kernel/rtas-proc.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/seq_file.h>
 #include <linux/bitops.h>
+#include <linux/rtc.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
diff --git a/arch/ppc64/kernel/rtc.c b/arch/ppc64/kernel/rtc.c
index 88ae13f..79e7ed2 100644
--- a/arch/ppc64/kernel/rtc.c
+++ b/arch/ppc64/kernel/rtc.c
@@ -265,7 +265,7 @@
 #ifdef CONFIG_PPC_RTAS
 #define MAX_RTC_WAIT 5000	/* 5 sec */
 #define RTAS_CLOCK_BUSY (-2)
-void rtas_get_boot_time(struct rtc_time *rtc_tm)
+unsigned long rtas_get_boot_time(void)
 {
 	int ret[8];
 	int error, wait_time;
@@ -285,15 +285,10 @@
 	if (error != 0 && printk_ratelimit()) {
 		printk(KERN_WARNING "error: reading the clock failed (%d)\n",
 			error);
-		return;
+		return 0;
 	}
 
-	rtc_tm->tm_sec = ret[5];
-	rtc_tm->tm_min = ret[4];
-	rtc_tm->tm_hour = ret[3];
-	rtc_tm->tm_mday = ret[2];
-	rtc_tm->tm_mon = ret[1] - 1;
-	rtc_tm->tm_year = ret[0] - 1900;
+	return mktime(ret[0], ret[1], ret[2], ret[3], ret[4], ret[5]);
 }
 
 /* NOTE: get_rtc_time will get an error if executed in interrupt context
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
new file mode 100644
index 0000000..f060553
--- /dev/null
+++ b/include/asm-powerpc/machdep.h
@@ -0,0 +1,289 @@
+#ifndef _PPC64_MACHDEP_H
+#define _PPC64_MACHDEP_H
+#ifdef __KERNEL__
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/setup.h>
+
+/* 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 pt_regs;
+struct pci_bus;	
+struct device_node;
+struct iommu_table;
+struct rtc_time;
+struct file;
+
+#ifdef CONFIG_SMP
+struct smp_ops_t {
+	void  (*message_pass)(int target, int msg);
+	int   (*probe)(void);
+	void  (*kick_cpu)(int nr);
+	void  (*setup_cpu)(int nr);
+	void  (*take_timebase)(void);
+	void  (*give_timebase)(void);
+	int   (*cpu_enable)(unsigned int nr);
+	int   (*cpu_disable)(void);
+	void  (*cpu_die)(unsigned int nr);
+	int   (*cpu_bootable)(unsigned int nr);
+};
+#endif
+
+struct machdep_calls {
+#ifdef CONFIG_PPC64
+	void            (*hpte_invalidate)(unsigned long slot,
+					   unsigned long va,
+					   int large,
+					   int local);
+	long		(*hpte_updatepp)(unsigned long slot, 
+					 unsigned long newpp, 
+					 unsigned long va,
+					 int large,
+					 int local);
+	void            (*hpte_updateboltedpp)(unsigned long newpp, 
+					       unsigned long ea);
+	long		(*hpte_insert)(unsigned long hpte_group,
+				       unsigned long va,
+				       unsigned long prpn,
+				       unsigned long vflags,
+				       unsigned long rflags);
+	long		(*hpte_remove)(unsigned long hpte_group);
+	void		(*flush_hash_range)(unsigned long number, int local);
+
+	/* special for kexec, to be called in real mode, linar mapping is
+	 * destroyed as well */
+	void		(*hpte_clear_all)(void);
+
+	void		(*tce_build)(struct iommu_table * tbl,
+				     long index,
+				     long npages,
+				     unsigned long uaddr,
+				     enum dma_data_direction direction);
+	void		(*tce_free)(struct iommu_table *tbl,
+				    long index,
+				    long npages);
+	void		(*tce_flush)(struct iommu_table *tbl);
+	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
+
+	int		(*probe)(int platform);
+	void		(*setup_arch)(void);
+	void		(*init_early)(void);
+	/* Optional, may be NULL. */
+	void		(*get_cpuinfo)(struct seq_file *m);
+
+	void		(*init_IRQ)(void);
+	int		(*get_irq)(struct pt_regs *);
+	void		(*cpu_irq_down)(int secondary);
+
+	/* PCI stuff */
+	/* Called after scanning the bus, before allocating resources */
+	void		(*pcibios_fixup)(void);
+	int		(*pci_probe_mode)(struct pci_bus *);
+
+	void		(*restart)(char *cmd);
+	void		(*power_off)(void);
+	void		(*halt)(void);
+	void		(*panic)(char *str);
+	void		(*cpu_die)(void);
+
+	long		(*time_init)(void); /* Optional, may be NULL */
+
+	int		(*set_rtc_time)(struct rtc_time *);
+	void		(*get_rtc_time)(struct rtc_time *);
+	unsigned long	(*get_boot_time)(void);
+	unsigned char 	(*rtc_read_val)(int addr);
+	void		(*rtc_write_val)(int addr, unsigned char val);
+
+	void		(*calibrate_decr)(void);
+
+	void		(*progress)(char *, unsigned short);
+
+	/* Interface for platform error logging */
+	void 		(*log_error)(char *buf, unsigned int err_type, int fatal);
+
+	ssize_t		(*nvram_write)(char *buf, size_t count, loff_t *index);
+	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);	
+	ssize_t		(*nvram_size)(void);		
+	void		(*nvram_sync)(void);
+
+	/* Exception handlers */
+	void		(*system_reset_exception)(struct pt_regs *regs);
+	int 		(*machine_check_exception)(struct pt_regs *regs);
+
+	/* 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, ...);
+
+	/* Check availability of legacy devices like i8042 */
+	int 		(*check_legacy_ioport)(unsigned int baseport);
+
+	/* Get legacy PCI/IDE interrupt mapping */ 
+	int		(*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
+	
+	/* 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);
+
+	/* Idle loop for this platform, leave empty for default idle loop */
+	void		(*idle_loop)(void);
+
+	/* Function to enable performance monitor counters for this
+	   platform, called once per cpu. */
+	void		(*enable_pmcs)(void);
+
+#ifdef CONFIG_PPC32	/* XXX for now */
+	/* Optional, may be NULL. */
+	int		(*show_cpuinfo)(struct seq_file *m);
+	int		(*show_percpuinfo)(struct seq_file *m, int i);
+	
+	/* A general init function, called by ppc_init in init/main.c.
+	   May be NULL. */
+	void		(*init)(void);
+
+	void		(*idle)(void);
+	void		(*power_save)(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		(*kgdb_map_scc)(void);
+
+	unsigned char 	(*nvram_read_val)(int addr);
+	void		(*nvram_write_val)(int addr, unsigned char val);
+
+	/*
+	 * optional PCI "hooks"
+	 */
+
+	/* 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);
+
+	/* this is for modules, since _machine can be a define -- Cort */
+	int ppc_machine;
+
+#ifdef CONFIG_KEXEC
+	/* Called to shutdown machine specific hardware not already controlled
+	 * by other drivers.
+	 * XXX Should we move this one out of kexec scope?
+	 */
+	void (*machine_shutdown)(void);
+
+	/* Called to do the minimal shutdown needed to run a kexec'd kernel
+	 * to run successfully.
+	 * XXX Should we move this one out of kexec scope?
+	 */
+	void (*machine_crash_shutdown)(void);
+
+	/* Called to do what every setup is needed on image and the
+	 * reboot code buffer. Returns 0 on success.
+	 * Provide your own (maybe dummy) implementation if your platform
+	 * claims to support kexec.
+	 */
+	int (*machine_kexec_prepare)(struct kimage *image);
+
+	/* Called to handle any machine specific cleanup on image */
+	void (*machine_kexec_cleanup)(struct kimage *image);
+
+	/* Called to perform the _real_ kexec.
+	 * Do NOT allocate memory or fail here. We are past the point of
+	 * no return.
+	 */
+	void (*machine_kexec)(struct kimage *image);
+#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_PPC32 */
+};
+
+extern void default_idle(void);
+extern void native_idle(void);
+
+extern struct machdep_calls ppc_md;
+extern char cmd_line[COMMAND_LINE_SIZE];
+
+#ifdef CONFIG_PPC_PMAC
+/*
+ * Power macintoshes have either a CUDA, PMU or SMU 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;
+
+#endif /* CONFIG_PPC_PMAC */
+
+extern void setup_pci_ptrs(void);
+
+#ifdef CONFIG_SMP
+/* Poor default implementations */
+extern void __devinit smp_generic_give_timebase(void);
+extern void __devinit smp_generic_take_timebase(void);
+#endif /* CONFIG_SMP */
+
+
+/* Functions to produce codes on the leds.
+ * The SRC code should be unique for the message category and should
+ * be limited to the lower 24 bits (the upper 8 are set by these funcs),
+ * and (for boot & dump) should be sorted numerically in the order
+ * the events occur.
+ */
+/* Print a boot progress message. */
+void ppc64_boot_msg(unsigned int src, const char *msg);
+/* Print a termination message (print only -- does not stop the kernel) */
+void ppc64_terminate_msg(unsigned int src, const char *msg);
+
+static inline void log_error(char *buf, unsigned int err_type, int fatal)
+{
+	if (ppc_md.log_error)
+		ppc_md.log_error(buf, err_type, fatal);
+}
+
+#endif /* __KERNEL__ */
+#endif /* _PPC64_MACHDEP_H */
diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index 5c904d3..2c05033 100644
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -190,7 +190,7 @@
 extern void rtas_initialize(void);
 
 struct rtc_time;
-extern void rtas_get_boot_time(struct rtc_time *rtc_time);
+extern unsigned long rtas_get_boot_time(void);
 extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
 extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
 
diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
deleted file mode 100644
index d35d9d3..0000000
--- a/include/asm-ppc64/machdep.h
+++ /dev/null
@@ -1,184 +0,0 @@
-#ifdef __KERNEL__
-#ifndef _PPC64_MACHDEP_H
-#define _PPC64_MACHDEP_H
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/setup.h>
-
-struct pt_regs;
-struct pci_bus;	
-struct device_node;
-struct iommu_table;
-struct rtc_time;
-struct file;
-
-#ifdef CONFIG_SMP
-struct smp_ops_t {
-	void  (*message_pass)(int target, int msg);
-	int   (*probe)(void);
-	void  (*kick_cpu)(int nr);
-	void  (*setup_cpu)(int nr);
-	void  (*take_timebase)(void);
-	void  (*give_timebase)(void);
-	int   (*cpu_enable)(unsigned int nr);
-	int   (*cpu_disable)(void);
-	void  (*cpu_die)(unsigned int nr);
-	int   (*cpu_bootable)(unsigned int nr);
-};
-#endif
-
-struct machdep_calls {
-	void            (*hpte_invalidate)(unsigned long slot,
-					   unsigned long va,
-					   int large,
-					   int local);
-	long		(*hpte_updatepp)(unsigned long slot, 
-					 unsigned long newpp, 
-					 unsigned long va,
-					 int large,
-					 int local);
-	void            (*hpte_updateboltedpp)(unsigned long newpp, 
-					       unsigned long ea);
-	long		(*hpte_insert)(unsigned long hpte_group,
-				       unsigned long va,
-				       unsigned long prpn,
-				       unsigned long vflags,
-				       unsigned long rflags);
-	long		(*hpte_remove)(unsigned long hpte_group);
-	void		(*flush_hash_range)(unsigned long number, int local);
-
-	/* special for kexec, to be called in real mode, linar mapping is
-	 * destroyed as well */
-	void		(*hpte_clear_all)(void);
-
-	void		(*tce_build)(struct iommu_table * tbl,
-				     long index,
-				     long npages,
-				     unsigned long uaddr,
-				     enum dma_data_direction direction);
-	void		(*tce_free)(struct iommu_table *tbl,
-				    long index,
-				    long npages);
-	void		(*tce_flush)(struct iommu_table *tbl);
-	void		(*iommu_dev_setup)(struct pci_dev *dev);
-	void		(*iommu_bus_setup)(struct pci_bus *bus);
-	void		(*irq_bus_setup)(struct pci_bus *bus);
-
-	int		(*probe)(int platform);
-	void		(*setup_arch)(void);
-	void		(*init_early)(void);
-	/* Optional, may be NULL. */
-	void		(*get_cpuinfo)(struct seq_file *m);
-
-	void		(*init_IRQ)(void);
-	int		(*get_irq)(struct pt_regs *);
-	void		(*cpu_irq_down)(int secondary);
-
-	/* PCI stuff */
-	void		(*pcibios_fixup)(void);
-	int		(*pci_probe_mode)(struct pci_bus *);
-
-	void		(*restart)(char *cmd);
-	void		(*power_off)(void);
-	void		(*halt)(void);
-	void		(*panic)(char *str);
-	void		(*cpu_die)(void);
-
-	int		(*set_rtc_time)(struct rtc_time *);
-	void		(*get_rtc_time)(struct rtc_time *);
-	void		(*get_boot_time)(struct rtc_time *);
-
-	void		(*calibrate_decr)(void);
-
-	void		(*progress)(char *, unsigned short);
-
-	/* Interface for platform error logging */
-	void 		(*log_error)(char *buf, unsigned int err_type, int fatal);
-
-	ssize_t		(*nvram_write)(char *buf, size_t count, loff_t *index);
-	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);	
-	ssize_t		(*nvram_size)(void);		
-	int		(*nvram_sync)(void);
-
-	/* Exception handlers */
-	void		(*system_reset_exception)(struct pt_regs *regs);
-	int 		(*machine_check_exception)(struct pt_regs *regs);
-
-	/* 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, ...);
-
-	/* Check availability of legacy devices like i8042 */
-	int 		(*check_legacy_ioport)(unsigned int baseport);
-
-	/* Get legacy PCI/IDE interrupt mapping */ 
-	int		(*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
-	
-	/* 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);
-
-	/* Idle loop for this platform, leave empty for default idle loop */
-	int		(*idle_loop)(void);
-
-	/* Function to enable pmcs for this platform, called once per cpu. */
-	void		(*enable_pmcs)(void);
-};
-
-extern int default_idle(void);
-extern int native_idle(void);
-
-extern struct machdep_calls ppc_md;
-extern char cmd_line[COMMAND_LINE_SIZE];
-
-#ifdef CONFIG_PPC_PMAC
-/*
- * Power macintoshes have either a CUDA, PMU or SMU 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;
-
-#endif /* CONFIG_PPC_PMAC */
-
-
-
-/* Functions to produce codes on the leds.
- * The SRC code should be unique for the message category and should
- * be limited to the lower 24 bits (the upper 8 are set by these funcs),
- * and (for boot & dump) should be sorted numerically in the order
- * the events occur.
- */
-/* Print a boot progress message. */
-void ppc64_boot_msg(unsigned int src, const char *msg);
-/* Print a termination message (print only -- does not stop the kernel) */
-void ppc64_terminate_msg(unsigned int src, const char *msg);
-
-static inline void log_error(char *buf, unsigned int err_type, int fatal)
-{
-	if (ppc_md.log_error)
-		ppc_md.log_error(buf, err_type, fatal);
-}
-
-#endif /* _PPC64_MACHDEP_H */
-#endif /* __KERNEL__ */