Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

18 files changed, 261 insertions, 186 deletions

diff --git a/include/asm-ppc/ide.h b/include/asm-powerpc/ide.h
index 7d6e659..da5f640 100644
--- a/include/asm-ppc/ide.h
+++ b/include/asm-powerpc/ide.h
@@ -1,24 +1,27 @@
 /*
- *  linux/include/asm-ppc/ide.h
+ *  Copyright (C) 1994-1996 Linus Torvalds & authors
  *
- *  Copyright (C) 1994-1996 Linus Torvalds & authors */
-
-/*
- *  This file contains the ppc architecture specific IDE code.
+ *  This file contains the powerpc architecture specific IDE code.
  */
-
-#ifndef __ASMPPC_IDE_H
-#define __ASMPPC_IDE_H
+#ifndef _ASM_POWERPC_IDE_H
+#define _ASM_POWERPC_IDE_H
 
 #ifdef __KERNEL__
 
+#ifndef __powerpc64__
 #include <linux/sched.h>
 #include <asm/mpc8xx.h>
+#endif
 
 #ifndef MAX_HWIFS
+#ifdef __powerpc64__
+#define MAX_HWIFS	10
+#else
 #define MAX_HWIFS	8
 #endif
+#endif
 
+#ifndef  __powerpc64__
 #include <linux/config.h>
 #include <linux/hdreg.h>
 #include <linux/ioport.h>
@@ -59,9 +62,6 @@ static __inline__ unsigned long ide_default_io_base(int index)
 	return 0;
 }
 
-#define IDE_ARCH_OBSOLETE_INIT
-#define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
-
 #ifdef CONFIG_PCI
 #define ide_init_default_irq(base)	(0)
 #else
@@ -73,6 +73,11 @@ static __inline__ unsigned long ide_default_io_base(int index)
 #define ide_ack_intr(hwif) (hwif->hw.ack_intr ? hwif->hw.ack_intr(hwif) : 1)
 #endif
 
+#endif /* __powerpc64__ */
+
+#define IDE_ARCH_OBSOLETE_INIT
+#define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
+
 #endif /* __KERNEL__ */
 
-#endif /* __ASMPPC_IDE_H */
+#endif /* _ASM_POWERPC_IDE_H */
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index fa03864..5670f0c 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -82,7 +82,6 @@ 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);
-	int		(*set_dabr)(unsigned long dabr);
 #endif
 
 	int		(*probe)(int platform);
@@ -158,6 +157,9 @@ struct machdep_calls {
 	   platform, called once per cpu. */
 	void		(*enable_pmcs)(void);
 
+	/* Set DABR for this platform, leave empty for default implemenation */
+	int		(*set_dabr)(unsigned long dabr);
+
 #ifdef CONFIG_PPC32	/* XXX for now */
 	/* A general init function, called by ppc_init in init/main.c.
 	   May be NULL. */
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index a88728f..13aacff 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -34,6 +34,7 @@ void *traverse_pci_devices(struct device_node *start, traverse_func pre,
 
 void pci_devs_phb_init(void);
 void pci_devs_phb_init_dynamic(struct pci_controller *phb);
+void __devinit scan_phb(struct pci_controller *hose);
 
 /* PCI address cache management routines */
 void pci_addr_cache_insert_device(struct pci_dev *dev);
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 7587bf5..f999df1 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -203,7 +203,7 @@ extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
 extern int prom_n_intr_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern void prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_add_property(struct device_node* np, struct property* prop);
 
 #ifdef CONFIG_PPC32
 /*
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index da84841..489cf4c 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -396,6 +396,9 @@
 #define SPRN_VRSAVE	0x100	/* Vector Register Save Register */
 #define SPRN_XER	0x001	/* Fixed Point Exception Register */
 
+#define SPRN_SCOMC	0x114	/* SCOM Access Control */
+#define SPRN_SCOMD	0x115	/* SCOM Access DATA */
+
 /* Performance monitor SPRs */
 #ifdef CONFIG_PPC64
 #define SPRN_MMCR0	795
@@ -594,7 +597,11 @@ static inline void ppc64_runlatch_off(void)
 		mtspr(SPRN_CTRLT, ctrl);
 	}
 }
-#endif
+
+extern unsigned long scom970_read(unsigned int address);
+extern void scom970_write(unsigned int address, unsigned long value);
+
+#endif /* CONFIG_PPC64 */
 
 #define __get_SP()	({unsigned long sp; \
 			asm volatile("mr %0,1": "=r" (sp)); sp;})
diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h
index 8bcdd0f..98581e5 100644
--- a/include/asm-powerpc/smp.h
+++ b/include/asm-powerpc/smp.h
@@ -86,7 +86,6 @@ extern void __cpu_die(unsigned int cpu);
 #else
 /* for UP */
 #define smp_setup_cpu_maps()
-#define smp_release_cpus()
 
 #endif /* CONFIG_SMP */
 
@@ -94,6 +93,9 @@ extern void __cpu_die(unsigned int cpu);
 #define get_hard_smp_processor_id(CPU) (paca[(CPU)].hw_cpu_id)
 #define set_hard_smp_processor_id(CPU, VAL) \
 	do { (paca[(CPU)].hw_cpu_id = (VAL)); } while (0)
+
+extern void smp_release_cpus(void);
+
 #else
 /* 32-bit */
 #ifndef CONFIG_SMP
diff --git a/include/asm-powerpc/smu.h b/include/asm-powerpc/smu.h
index dee8eef..76c29a9 100644
--- a/include/asm-powerpc/smu.h
+++ b/include/asm-powerpc/smu.h
@@ -20,16 +20,52 @@
 /*
  * Partition info commands
  *
- * I do not know what those are for at this point
+ * These commands are used to retreive the sdb-partition-XX datas from
+ * the SMU. The lenght is always 2. First byte is the subcommand code
+ * and second byte is the partition ID.
+ *
+ * The reply is 6 bytes:
+ *
+ *  - 0..1 : partition address
+ *  - 2    : a byte containing the partition ID
+ *  - 3    : length (maybe other bits are rest of header ?)
+ *
+ * The data must then be obtained with calls to another command:
+ * SMU_CMD_MISC_ee_GET_DATABLOCK_REC (described below).
  */
 #define SMU_CMD_PARTITION_COMMAND		0x3e
+#define   SMU_CMD_PARTITION_LATEST		0x01
+#define   SMU_CMD_PARTITION_BASE		0x02
+#define   SMU_CMD_PARTITION_UPDATE		0x03
 
 
 /*
  * Fan control
  *
- * This is a "mux" for fan control commands, first byte is the
- * "sub" command.
+ * This is a "mux" for fan control commands. The command seem to
+ * act differently based on the number of arguments. With 1 byte
+ * of argument, this seem to be queries for fans status, setpoint,
+ * etc..., while with 0xe arguments, we will set the fans speeds.
+ *
+ * Queries (1 byte arg):
+ * ---------------------
+ *
+ * arg=0x01: read RPM fans status
+ * arg=0x02: read RPM fans setpoint
+ * arg=0x11: read PWM fans status
+ * arg=0x12: read PWM fans setpoint
+ *
+ * the "status" queries return the current speed while the "setpoint" ones
+ * return the programmed/target speed. It _seems_ that the result is a bit
+ * mask in the first byte of active/available fans, followed by 6 words (16
+ * bits) containing the requested speed.
+ *
+ * Setpoint (14 bytes arg):
+ * ------------------------
+ *
+ * first arg byte is 0 for RPM fans and 0x10 for PWM. Second arg byte is the
+ * mask of fans affected by the command. Followed by 6 words containing the
+ * setpoint value for selected fans in the mask (or 0 if mask value is 0)
  */
 #define SMU_CMD_FAN_COMMAND			0x4a
 
@@ -144,7 +180,11 @@
  *  - lenght 8 ("VSLEWxyz") has 3 additional bytes appended, and is
  *    used to set the voltage slewing point. The SMU replies with "DONE"
  * I yet have to figure out their exact meaning of those 3 bytes in
- * both cases.
+ * both cases. They seem to be:
+ *  x = processor mask
+ *  y = op. point index
+ *  z = processor freq. step index
+ * I haven't yet decyphered result codes
  *
  */
 #define SMU_CMD_POWER_COMMAND			0xaa
@@ -152,6 +192,14 @@
 #define   SMU_CMD_POWER_SHUTDOWN		"SHUTDOWN"
 #define   SMU_CMD_POWER_VOLTAGE_SLEW		"VSLEW"
 
+/*
+ * Read ADC sensors
+ *
+ * This command takes one byte of parameter: the sensor ID (or "reg"
+ * value in the device-tree) and returns a 16 bits value
+ */
+#define SMU_CMD_READ_ADC			0xd8
+
 /* Misc commands
  *
  * This command seem to be a grab bag of various things
@@ -172,6 +220,25 @@
  * Misc commands
  *
  * This command seem to be a grab bag of various things
+ *
+ * SMU_CMD_MISC_ee_GET_DATABLOCK_REC is used, among others, to
+ * transfer blocks of data from the SMU. So far, I've decrypted it's
+ * usage to retreive partition data. In order to do that, you have to
+ * break your transfer in "chunks" since that command cannot transfer
+ * more than a chunk at a time. The chunk size used by OF is 0xe bytes,
+ * but it seems that the darwin driver will let you do 0x1e bytes if
+ * your "PMU" version is >= 0x30. You can get the "PMU" version apparently
+ * either in the last 16 bits of property "smu-version-pmu" or as the 16
+ * bytes at offset 1 of "smu-version-info"
+ *
+ * For each chunk, the command takes 7 bytes of arguments:
+ *  byte 0: subcommand code (0x02)
+ *  byte 1: 0x04 (always, I don't know what it means, maybe the address
+ *                space to use or some other nicety. It's hard coded in OF)
+ *  byte 2..5: SMU address of the chunk (big endian 32 bits)
+ *  byte 6: size to transfer (up to max chunk size)
+ *
+ * The data is returned directly
  */
 #define SMU_CMD_MISC_ee_COMMAND			0xee
 #define   SMU_CMD_MISC_ee_GET_DATABLOCK_REC	0x02
@@ -333,6 +400,128 @@ extern int smu_queue_i2c(struct smu_i2c_cmd *cmd);
 
 #endif /* __KERNEL__ */
 
+
+/*
+ * - SMU "sdb" partitions informations -
+ */
+
+
+/*
+ * Partition header format
+ */
+struct smu_sdbp_header {
+	__u8	id;
+	__u8	len;
+	__u8	version;
+	__u8	flags;
+};
+
+
+ /*
+ * demangle 16 and 32 bits integer in some SMU partitions
+ * (currently, afaik, this concerns only the FVT partition
+ * (0x12)
+ */
+#define SMU_U16_MIX(x)	le16_to_cpu(x);
+#define SMU_U32_MIX(x)  ((((x) & 0xff00ff00u) >> 8)|(((x) & 0x00ff00ffu) << 8))
+
+
+/* This is the definition of the SMU sdb-partition-0x12 table (called
+ * CPU F/V/T operating points in Darwin). The definition for all those
+ * SMU tables should be moved to some separate file
+ */
+#define SMU_SDB_FVT_ID			0x12
+
+struct smu_sdbp_fvt {
+	__u32	sysclk;			/* Base SysClk frequency in Hz for
+					 * this operating point. Value need to
+					 * be unmixed with SMU_U32_MIX()
+					 */
+	__u8	pad;
+	__u8	maxtemp;		/* Max temp. supported by this
+					 * operating point
+					 */
+
+	__u16	volts[3];		/* CPU core voltage for the 3
+					 * PowerTune modes, a mode with
+					 * 0V = not supported. Value need
+					 * to be unmixed with SMU_U16_MIX()
+					 */
+};
+
+/* This partition contains voltage & current sensor calibration
+ * informations
+ */
+#define SMU_SDB_CPUVCP_ID		0x21
+
+struct smu_sdbp_cpuvcp {
+	__u16	volt_scale;		/* u4.12 fixed point */
+	__s16	volt_offset;		/* s4.12 fixed point */
+	__u16	curr_scale;		/* u4.12 fixed point */
+	__s16	curr_offset;		/* s4.12 fixed point */
+	__s32	power_quads[3];		/* s4.28 fixed point */
+};
+
+/* This partition contains CPU thermal diode calibration
+ */
+#define SMU_SDB_CPUDIODE_ID		0x18
+
+struct smu_sdbp_cpudiode {
+	__u16	m_value;		/* u1.15 fixed point */
+	__s16	b_value;		/* s10.6 fixed point */
+
+};
+
+/* This partition contains Slots power calibration
+ */
+#define SMU_SDB_SLOTSPOW_ID		0x78
+
+struct smu_sdbp_slotspow {
+	__u16	pow_scale;		/* u4.12 fixed point */
+	__s16	pow_offset;		/* s4.12 fixed point */
+};
+
+/* This partition contains machine specific version information about
+ * the sensor/control layout
+ */
+#define SMU_SDB_SENSORTREE_ID		0x25
+
+struct smu_sdbp_sensortree {
+	u8	model_id;
+	u8	unknown[3];
+};
+
+/* This partition contains CPU thermal control PID informations. So far
+ * only single CPU machines have been seen with an SMU, so we assume this
+ * carries only informations for those
+ */
+#define SMU_SDB_CPUPIDDATA_ID		0x17
+
+struct smu_sdbp_cpupiddata {
+	u8	unknown1;
+	u8	target_temp_delta;
+	u8	unknown2;
+	u8	history_len;
+	s16	power_adj;
+	u16	max_power;
+	s32	gp,gr,gd;
+};
+
+
+/* Other partitions without known structures */
+#define SMU_SDB_DEBUG_SWITCHES_ID	0x05
+
+#ifdef __KERNEL__
+/*
+ * This returns the pointer to an SMU "sdb" partition data or NULL
+ * if not found. The data format is described below
+ */
+extern struct smu_sdbp_header *smu_get_sdb_partition(int id,
+						     unsigned int *size);
+
+#endif /* __KERNEL__ */
+
+
 /*
  * - Userland interface -
  */
@@ -365,8 +554,10 @@ struct smu_user_cmd_hdr
 	__u32		cmdtype;
 #define SMU_CMDTYPE_SMU			0	/* SMU command */
 #define SMU_CMDTYPE_WANTS_EVENTS	1	/* switch fd to events mode */
+#define SMU_CMDTYPE_GET_PARTITION	2	/* retreive an sdb partition */
 
 	__u8		cmd;			/* SMU command byte */
+	__u8		pad[3];			/* padding */
 	__u32		data_len;		/* Lenght of data following */
 };
 
diff --git a/include/asm-powerpc/xmon.h b/include/asm-powerpc/xmon.h
index 43f7129..ace2072 100644
--- a/include/asm-powerpc/xmon.h
+++ b/include/asm-powerpc/xmon.h
@@ -7,6 +7,7 @@ struct pt_regs;
 extern int xmon(struct pt_regs *excp);
 extern void xmon_printf(const char *fmt, ...);
 extern void xmon_init(int);
+extern void xmon_map_scc(void);
 
 #endif
 #endif
diff --git a/include/asm-ppc/btext.h b/include/asm-ppc/btext.h
index 36c7640..ccaefab 100644
--- a/include/asm-ppc/btext.h
+++ b/include/asm-ppc/btext.h
@@ -17,18 +17,18 @@ extern unsigned long disp_BAT[2];
 extern boot_infos_t disp_bi;
 extern int boot_text_mapped;
 
-void btext_init(boot_infos_t *bi);
-void btext_welcome(void);
-void btext_prepare_BAT(void);
-void btext_setup_display(int width, int height, int depth, int pitch,
-			 unsigned long address);
-void map_boot_text(void);
-void btext_update_display(unsigned long phys, int width, int height,
-			  int depth, int pitch);
+extern void init_boot_display(void);
+extern void btext_welcome(void);
+extern void btext_prepare_BAT(void);
+extern void btext_setup_display(int width, int height, int depth, int pitch,
+				unsigned long address);
+extern void map_boot_text(void);
+extern void btext_update_display(unsigned long phys, int width, int height,
+				 int depth, int pitch);
 
-void btext_drawchar(char c);
-void btext_drawstring(const char *str);
-void btext_drawhex(unsigned long v);
+extern void btext_drawchar(char c);
+extern void btext_drawstring(const char *str);
+extern void btext_drawhex(unsigned long v);
 
 #endif /* __KERNEL__ */
 #endif /* __PPC_BTEXT_H */
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index f7f614d..2bfdf9c 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -237,9 +237,9 @@ static inline void __raw_writel(__u32 b, volatile void __iomem *addr)
 #define outsl(port, buf, nl)	_outsl_ns((port)+___IO_BASE, (buf), (nl))
 
 /*
- * On powermacs, we will get a machine check exception if we
- * try to read data from a non-existent I/O port.  Because the
- * machine check is an asynchronous exception, it isn't
+ * On powermacs and 8xx we will get a machine check exception 
+ * if we try to read data from a non-existent I/O port. Because
+ * the machine check is an asynchronous exception, it isn't
  * well-defined which instruction SRR0 will point to when the
  * exception occurs.
  * With the sequence below (twi; isync; nop), we have found that
@@ -258,7 +258,7 @@ extern __inline__ unsigned int name(unsigned int port)	\
 {							\
 	unsigned int x;					\
 	__asm__ __volatile__(				\
-			op "	%0,0,%1\n"		\
+		"0:"	op "	%0,0,%1\n"		\
 		"1:	twi	0,%0,0\n"		\
 		"2:	isync\n"			\
 		"3:	nop\n"				\
@@ -269,6 +269,7 @@ extern __inline__ unsigned int name(unsigned int port)	\
 		".previous\n"				\
 		".section __ex_table,\"a\"\n"		\
 		"	.align	2\n"			\
+		"	.long	0b,5b\n"		\
 		"	.long	1b,5b\n"		\
 		"	.long	2b,5b\n"		\
 		"	.long	3b,5b\n"		\
@@ -282,11 +283,12 @@ extern __inline__ unsigned int name(unsigned int port)	\
 extern __inline__ void name(unsigned int val, unsigned int port) \
 {							\
 	__asm__ __volatile__(				\
-		op " %0,0,%1\n"				\
+		"0:" op " %0,0,%1\n"			\
 		"1:	sync\n"				\
 		"2:\n"					\
 		".section __ex_table,\"a\"\n"		\
 		"	.align	2\n"			\
+		"	.long	0b,2b\n"		\
 		"	.long	1b,2b\n"		\
 		".previous"				\
 		: : "r" (val), "r" (port + ___IO_BASE));	\
diff --git a/include/asm-ppc/kgdb.h b/include/asm-ppc/kgdb.h
index 1d3c927..b617dac 100644
--- a/include/asm-ppc/kgdb.h
+++ b/include/asm-ppc/kgdb.h
@@ -31,7 +31,7 @@ extern void breakpoint(void);
 /* For taking exceptions
  * these are defined in traps.c
  */
-extern void (*debugger)(struct pt_regs *regs);
+extern int (*debugger)(struct pt_regs *regs);
 extern int (*debugger_bpt)(struct pt_regs *regs);
 extern int (*debugger_sstep)(struct pt_regs *regs);
 extern int (*debugger_iabr_match)(struct pt_regs *regs);
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index 75c0637..3e39827 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -93,7 +93,7 @@ extern int device_is_compatible(struct device_node *device, const char *);
 extern int machine_is_compatible(const char *compat);
 extern unsigned char *get_property(struct device_node *node, const char *name,
 				   int *lenp);
-extern void prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_add_property(struct device_node* np, struct property* prop);
 extern void prom_get_irq_senses(unsigned char *, int, int);
 extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
diff --git a/include/asm-ppc64/ide.h b/include/asm-ppc64/ide.h
deleted file mode 100644
index 0aae1c5..0000000
--- a/include/asm-ppc64/ide.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- *  linux/include/asm-ppc/ide.h
- *
- *  Copyright (C) 1994-1996 Linus Torvalds & authors
- *
- * 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.
- */
-
-/*
- *  This file contains the ppc64 architecture specific IDE code.
- */
-
-#ifndef __ASMPPC64_IDE_H
-#define __ASMPPC64_IDE_H
-
-#ifdef __KERNEL__
-
-#ifndef MAX_HWIFS
-# define MAX_HWIFS	10
-#endif
-
-#define IDE_ARCH_OBSOLETE_INIT
-#define ide_default_io_ctl(base)	((base) + 0x206) /* obsolete */
-
-#endif /* __KERNEL__ */
-
-#endif /* __ASMPPC64_IDE_H */
diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index 342e2d7..fafdf88 100644
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -162,6 +162,14 @@ pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus);
 
 extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
 
+extern struct pci_dev *of_create_pci_dev(struct device_node *node,
+					struct pci_bus *bus, int devfn);
+
+extern void of_scan_pci_bridge(struct device_node *node,
+				struct pci_dev *dev);
+
+extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
+
 extern int pci_read_irq_line(struct pci_dev *dev);
 
 extern void pcibios_add_platform_entries(struct pci_dev *dev);
diff --git a/include/asm-ppc64/ppcdebug.h b/include/asm-ppc64/ppcdebug.h
deleted file mode 100644
index fd7f696..0000000
--- a/include/asm-ppc64/ppcdebug.h
+++ /dev/null
@@ -1,108 +0,0 @@
-#ifndef __PPCDEBUG_H
-#define __PPCDEBUG_H
-/********************************************************************
- * Author: Adam Litke, IBM Corp
- * (c) 2001
- *
- * This file contains definitions and macros for a runtime debugging
- * system for ppc64 (This should also work on 32 bit with a few    
- * adjustments.                                                   
- *
- * 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/types.h>
-#include <asm/udbg.h>
-#include <stdarg.h>
-
-#define PPCDBG_BITVAL(X)     ((1UL)<<((unsigned long)(X)))
-
-/* Defined below are the bit positions of various debug flags in the
- * ppc64_debug_switch variable.
- * -- When adding new values, please enter them into trace names below -- 
- *
- * Values 62 & 63 can be used to stress the hardware page table management
- * code.  They must be set statically, any attempt to change them dynamically
- * would be a very bad idea.
- */
-#define PPCDBG_MMINIT        PPCDBG_BITVAL(0)
-#define PPCDBG_MM            PPCDBG_BITVAL(1)
-#define PPCDBG_SYS32         PPCDBG_BITVAL(2)
-#define PPCDBG_SYS32NI       PPCDBG_BITVAL(3)
-#define PPCDBG_SYS32X	     PPCDBG_BITVAL(4)
-#define PPCDBG_SYS32M	     PPCDBG_BITVAL(5)
-#define PPCDBG_SYS64         PPCDBG_BITVAL(6)
-#define PPCDBG_SYS64NI       PPCDBG_BITVAL(7)
-#define PPCDBG_SYS64X	     PPCDBG_BITVAL(8)
-#define PPCDBG_SIGNAL        PPCDBG_BITVAL(9)
-#define PPCDBG_SIGNALXMON    PPCDBG_BITVAL(10)
-#define PPCDBG_BINFMT32      PPCDBG_BITVAL(11)
-#define PPCDBG_BINFMT64      PPCDBG_BITVAL(12)
-#define PPCDBG_BINFMTXMON    PPCDBG_BITVAL(13)
-#define PPCDBG_BINFMT_32ADDR PPCDBG_BITVAL(14)
-#define PPCDBG_ALIGNFIXUP    PPCDBG_BITVAL(15)
-#define PPCDBG_TCEINIT       PPCDBG_BITVAL(16)
-#define PPCDBG_TCE           PPCDBG_BITVAL(17)
-#define PPCDBG_PHBINIT       PPCDBG_BITVAL(18)
-#define PPCDBG_SMP           PPCDBG_BITVAL(19)
-#define PPCDBG_BOOT          PPCDBG_BITVAL(20)
-#define PPCDBG_BUSWALK       PPCDBG_BITVAL(21)
-#define PPCDBG_PROM	     PPCDBG_BITVAL(22)
-#define PPCDBG_RTAS	     PPCDBG_BITVAL(23)
-#define PPCDBG_HTABSTRESS    PPCDBG_BITVAL(62)
-#define PPCDBG_HTABSIZE      PPCDBG_BITVAL(63)
-#define PPCDBG_NONE          (0UL)
-#define PPCDBG_ALL           (0xffffffffUL)
-
-/* The default initial value for the debug switch */
-#define PPC_DEBUG_DEFAULT    0 
-/* #define PPC_DEBUG_DEFAULT    PPCDBG_ALL        */
-
-#define PPCDBG_NUM_FLAGS     64
-
-extern u64 ppc64_debug_switch;
-
-#ifdef WANT_PPCDBG_TAB
-/* A table of debug switch names to allow name lookup in xmon 
- * (and whoever else wants it.
- */
-char *trace_names[PPCDBG_NUM_FLAGS] = {
-	/* Known debug names */
-	"mminit", 	"mm",
-	"syscall32", 	"syscall32_ni", "syscall32x",	"syscall32m",
-	"syscall64", 	"syscall64_ni", "syscall64x",
-	"signal",	"signal_xmon",
-	"binfmt32",	"binfmt64",	"binfmt_xmon",	"binfmt_32addr",
-	"alignfixup",   "tceinit",      "tce",          "phb_init",     
-	"smp",          "boot",         "buswalk",	"prom",
-	"rtas"
-};
-#else
-extern char *trace_names[64];
-#endif /* WANT_PPCDBG_TAB */
-
-#ifdef CONFIG_PPCDBG
-/* Macro to conditionally print debug based on debug_switch */
-#define PPCDBG(...) udbg_ppcdbg(__VA_ARGS__)
-
-/* Macro to conditionally call a debug routine based on debug_switch */
-#define PPCDBGCALL(FLAGS,FUNCTION) ifppcdebug(FLAGS) FUNCTION
-
-/* Macros to test for debug states */
-#define ifppcdebug(FLAGS) if (udbg_ifdebug(FLAGS))
-#define ppcdebugset(FLAGS) (udbg_ifdebug(FLAGS))
-#define PPCDBG_BINFMT (test_thread_flag(TIF_32BIT) ? PPCDBG_BINFMT32 : PPCDBG_BINFMT64)
-
-#else
-#define PPCDBG(...) do {;} while (0)
-#define PPCDBGCALL(FLAGS,FUNCTION) do {;} while (0)
-#define ifppcdebug(...) if (0)
-#define ppcdebugset(FLAGS) (0)
-#endif /* CONFIG_PPCDBG */
-
-#endif /*__PPCDEBUG_H */
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
index bdb4717..76bb026 100644
--- a/include/asm-ppc64/prom.h
+++ b/include/asm-ppc64/prom.h
@@ -213,6 +213,6 @@ extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
 extern int prom_n_intr_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
-extern void prom_add_property(struct device_node* np, struct property* prop);
+extern int prom_add_property(struct device_node* np, struct property* prop);
 
 #endif /* _PPC64_PROM_H */
diff --git a/include/asm-ppc64/udbg.h b/include/asm-ppc64/udbg.h
index 8192fb8..e3b9279 100644
--- a/include/asm-ppc64/udbg.h
+++ b/include/asm-ppc64/udbg.h
@@ -23,9 +23,6 @@ extern int udbg_read(char *buf, int buflen);
 
 extern void register_early_udbg_console(void);
 extern void udbg_printf(const char *fmt, ...);
-extern void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
-extern unsigned long udbg_ifdebug(unsigned long flags);
-extern void __init ppcdbg_initialize(void);
 
 extern void udbg_init_uart(void __iomem *comport, unsigned int speed);
 
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 0563581..65ceeaa 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -139,15 +139,12 @@ extern void proc_tty_unregister_driver(struct tty_driver *driver);
 /*
  * proc_devtree.c
  */
+#ifdef CONFIG_PROC_DEVICETREE
 struct device_node;
+struct property;
 extern void proc_device_tree_init(void);
-#ifdef CONFIG_PROC_DEVICETREE
 extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
-#else /* !CONFIG_PROC_DEVICETREE */
-static inline void proc_device_tree_add_node(struct device_node *np, struct proc_dir_entry *pde)
-{
-	return;
-}
+extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
 #endif /* CONFIG_PROC_DEVICETREE */
 
 extern struct proc_dir_entry *proc_symlink(const char *,