17 files changed, 158 insertions, 26 deletions

diff --git a/include/asm-ppc64/compat.h b/include/asm-ppc64/compat.h
index 09c28d28ce6c..12414f5fc666 100644
--- a/include/asm-ppc64/compat.h
+++ b/include/asm-ppc64/compat.h
@@ -26,6 +26,7 @@ typedef s32		compat_daddr_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
 typedef s32		compat_key_t;
+typedef s32		compat_timer_t;
 
 typedef s32		compat_int_t;
 typedef s32		compat_long_t;
diff --git a/include/asm-ppc64/kdebug.h b/include/asm-ppc64/kdebug.h
index 488634258a72..d383d161cf8d 100644
--- a/include/asm-ppc64/kdebug.h
+++ b/include/asm-ppc64/kdebug.h
@@ -17,7 +17,7 @@ struct die_args {
 
 /*
    Note - you should never unregister because that can race with NMIs.
-   If you really want to do it first unregister - then synchronize_kernel -
+   If you really want to do it first unregister - then synchronize_sched -
    then free.
  */
 int register_die_notifier(struct notifier_block *nb);
diff --git a/include/asm-ppc64/kexec.h b/include/asm-ppc64/kexec.h
new file mode 100644
index 000000000000..511908afaeeb
--- /dev/null
+++ b/include/asm-ppc64/kexec.h
@@ -0,0 +1,41 @@
+#ifndef _PPC64_KEXEC_H
+#define _PPC64_KEXEC_H
+
+/*
+ * KEXEC_SOURCE_MEMORY_LIMIT maximum page get_free_page can return.
+ * I.e. Maximum page that is mapped directly into kernel memory,
+ * and kmap is not required.
+ */
+
+/* Maximum physical address we can use pages from */
+/* XXX: since we copy virt we can use any page we allocate */
+#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL)
+
+/* Maximum address we can reach in physical address mode */
+/* XXX: I want to allow initrd in highmem.  otherwise set to rmo on lpar */
+#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL)
+
+/* Maximum address we can use for the control code buffer */
+/* XXX: unused today, ppc32 uses TASK_SIZE, probably left over from use_mm  */
+#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL)
+
+/* XXX: today we don't use this at all, althogh we have a static stack */
+#define KEXEC_CONTROL_CODE_SIZE 4096
+
+/* The native architecture */
+#define KEXEC_ARCH KEXEC_ARCH_PPC64
+
+#define MAX_NOTE_BYTES 1024
+
+#ifndef __ASSEMBLY__
+
+typedef u32 note_buf_t[MAX_NOTE_BYTES/4];
+
+extern note_buf_t crash_notes[];
+
+extern void kexec_smp_wait(void);	/* get and clear naca physid, wait for
+					  master to copy new code to 0 */
+
+#endif /* __ASSEMBLY__ */
+#endif /* _PPC_KEXEC_H */
+
diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
index 5d3cd9d042e2..9cdad3ed1526 100644
--- a/include/asm-ppc64/machdep.h
+++ b/include/asm-ppc64/machdep.h
@@ -76,6 +76,7 @@ struct machdep_calls {
 	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);
@@ -85,6 +86,7 @@ struct machdep_calls {
 
 	void		(*init_IRQ)(void);
 	int		(*get_irq)(struct pt_regs *);
+	void		(*cpu_irq_down)(void);
 
 	/* PCI stuff */
 	void		(*pcibios_fixup)(void);
diff --git a/include/asm-ppc64/mmu.h b/include/asm-ppc64/mmu.h
index c78282a67d8e..f373de5e3dd9 100644
--- a/include/asm-ppc64/mmu.h
+++ b/include/asm-ppc64/mmu.h
@@ -47,9 +47,10 @@
 #define SLB_VSID_KS		ASM_CONST(0x0000000000000800)
 #define SLB_VSID_KP		ASM_CONST(0x0000000000000400)
 #define SLB_VSID_N		ASM_CONST(0x0000000000000200) /* no-execute */
-#define SLB_VSID_L		ASM_CONST(0x0000000000000100) /* largepage 16M */
+#define SLB_VSID_L		ASM_CONST(0x0000000000000100) /* largepage */
 #define SLB_VSID_C		ASM_CONST(0x0000000000000080) /* class */
-
+#define SLB_VSID_LS		ASM_CONST(0x0000000000000070) /* size of largepage */
+ 
 #define SLB_VSID_KERNEL		(SLB_VSID_KP|SLB_VSID_C)
 #define SLB_VSID_USER		(SLB_VSID_KP|SLB_VSID_KS)
 
@@ -180,6 +181,28 @@ static inline void tlbiel(unsigned long va)
 	asm volatile("ptesync": : :"memory");
 }
 
+static inline unsigned long slot2va(unsigned long avpn, unsigned long large,
+		unsigned long secondary, unsigned long slot)
+{
+	unsigned long va;
+
+	va = avpn << 23;
+
+	if (!large) {
+		unsigned long vpi, pteg;
+
+		pteg = slot / HPTES_PER_GROUP;
+		if (secondary)
+			pteg = ~pteg;
+
+		vpi = ((va >> 28) ^ pteg) & htab_hash_mask;
+
+		va |= vpi << PAGE_SHIFT;
+	}
+
+	return va;
+}
+
 /*
  * Handle a fault by adding an HPTE. If the address can't be determined
  * to be valid via Linux page tables, return 1. If handled return 0
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-ppc64/mmzone.h
index 0619a41a3c9d..ed473f4b0152 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-ppc64/mmzone.h
@@ -10,9 +10,20 @@
 #include <linux/config.h>
 #include <asm/smp.h>
 
-#ifdef CONFIG_DISCONTIGMEM
+/* generic non-linear memory support:
+ *
+ * 1) we will not split memory into more chunks than will fit into the
+ *    flags field of the struct page
+ */
+
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
 
 extern struct pglist_data *node_data[];
+/*
+ * Return a pointer to the node data for node n.
+ */
+#define NODE_DATA(nid)		(node_data[nid])
 
 /*
  * Following are specific to this numa platform.
@@ -47,36 +58,32 @@ static inline int pa_to_nid(unsigned long pa)
 	return nid;
 }
 
-#define pfn_to_nid(pfn)		pa_to_nid((pfn) << PAGE_SHIFT)
-
-/*
- * Return a pointer to the node data for node n.
- */
-#define NODE_DATA(nid)		(node_data[nid])
-
 #define node_localnr(pfn, nid)	((pfn) - NODE_DATA(nid)->node_start_pfn)
 
 /*
  * Following are macros that each numa implmentation must define.
  */
 
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)	pa_to_nid(__pa(kaddr))
-
-#define node_mem_map(nid)	(NODE_DATA(nid)->node_mem_map)
 #define node_start_pfn(nid)	(NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)	(NODE_DATA(nid)->node_end_pfn)
 
 #define local_mapnr(kvaddr) \
 	( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) 
 
+#ifdef CONFIG_DISCONTIGMEM
+
+/*
+ * Given a kernel address, find the home node of the underlying memory.
+ */
+#define kvaddr_to_nid(kaddr)	pa_to_nid(__pa(kaddr))
+
+#define pfn_to_nid(pfn)		pa_to_nid((unsigned long)(pfn) << PAGE_SHIFT)
+
 /* Written this way to avoid evaluating arguments twice */
 #define discontigmem_pfn_to_page(pfn) \
 ({ \
 	unsigned long __tmp = pfn; \
-	(node_mem_map(pfn_to_nid(__tmp)) + \
+	(NODE_DATA(pfn_to_nid(__tmp))->node_mem_map + \
 	 node_localnr(__tmp, pfn_to_nid(__tmp))); \
 })
 
@@ -91,4 +98,11 @@ static inline int pa_to_nid(unsigned long pa)
 #define discontigmem_pfn_valid(pfn)		((pfn) < num_physpages)
 
 #endif /* CONFIG_DISCONTIGMEM */
+
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
+
+#ifdef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+#define early_pfn_to_nid(pfn)  pa_to_nid(((unsigned long)pfn) << PAGE_SHIFT)
+#endif
+
 #endif /* _ASM_MMZONE_H_ */
diff --git a/include/asm-ppc64/nvram.h b/include/asm-ppc64/nvram.h
index 4e6dd370d936..dfaa21566c9a 100644
--- a/include/asm-ppc64/nvram.h
+++ b/include/asm-ppc64/nvram.h
@@ -70,6 +70,7 @@ extern struct nvram_partition *nvram_find_partition(int sig, const char *name);
 
 extern int pSeries_nvram_init(void);
 extern int pmac_nvram_init(void);
+extern int bpa_nvram_init(void);
 
 /* PowerMac specific nvram stuffs */
 
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index 257d87eb7c34..a5893a305a09 100644
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -217,7 +217,8 @@ extern u64 ppc64_pft_size;		/* Log 2 of page table size */
 #define page_to_pfn(page)	discontigmem_page_to_pfn(page)
 #define pfn_to_page(pfn)	discontigmem_pfn_to_page(pfn)
 #define pfn_valid(pfn)		discontigmem_pfn_valid(pfn)
-#else
+#endif
+#ifdef CONFIG_FLATMEM
 #define pfn_to_page(pfn)	(mem_map + (pfn))
 #define page_to_pfn(page)	((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)		((pfn) < max_mapnr)
diff --git a/include/asm-ppc64/ppc32.h b/include/asm-ppc64/ppc32.h
index 1d0404897550..6b44a8caf395 100644
--- a/include/asm-ppc64/ppc32.h
+++ b/include/asm-ppc64/ppc32.h
@@ -32,7 +32,7 @@ typedef struct compat_siginfo {
 
 		/* POSIX.1b timers */
 		struct {
-			timer_t _tid;			/* timer id */
+			compat_timer_t _tid;			/* timer id */
 			int _overrun;			/* overrun count */
 			compat_sigval_t _sigval;		/* same as below */
 			int _sys_private;		/* not to be passed to user */
diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h
index 3084099086a8..af28aa55d8c1 100644
--- a/include/asm-ppc64/processor.h
+++ b/include/asm-ppc64/processor.h
@@ -138,8 +138,16 @@
 #define	SPRN_NIADORM	0x3F3	/* Hardware Implementation Register 2 */
 #define SPRN_HID4	0x3F4	/* 970 HID4 */
 #define SPRN_HID5	0x3F6	/* 970 HID5 */
-#define	SPRN_TSC 	0x3FD	/* Thread switch control */
-#define	SPRN_TST 	0x3FC	/* Thread switch timeout */
+#define	SPRN_HID6	0x3F9	/* BE HID 6 */
+#define	  HID6_LB	(0x0F<<12) /* Concurrent Large Page Modes */
+#define	  HID6_DLP	(1<<20)	/* Disable all large page modes (4K only) */
+#define	SPRN_TSCR	0x399   /* Thread switch control on BE */
+#define	SPRN_TTR	0x39A   /* Thread switch timeout on BE */
+#define	  TSCR_DEC_ENABLE	0x200000 /* Decrementer Interrupt */
+#define	  TSCR_EE_ENABLE	0x100000 /* External Interrupt */
+#define	  TSCR_EE_BOOST		0x080000 /* External Interrupt Boost */
+#define	SPRN_TSC 	0x3FD	/* Thread switch control on others */
+#define	SPRN_TST 	0x3FC	/* Thread switch timeout on others */
 #define	SPRN_L2CR	0x3F9	/* Level 2 Cache Control Regsiter */
 #define	SPRN_LR		0x008	/* Link Register */
 #define	SPRN_PIR	0x3FF	/* Processor Identification Register */
@@ -259,6 +267,7 @@
 #define PV_970FX	0x003C
 #define	PV_630        	0x0040
 #define	PV_630p	        0x0041
+#define	PV_BE		0x0070
 
 /* Platforms supported by PPC64 */
 #define PLATFORM_PSERIES      0x0100
@@ -267,6 +276,7 @@
 #define PLATFORM_LPAR         0x0001
 #define PLATFORM_POWERMAC     0x0400
 #define PLATFORM_MAPLE        0x0500
+#define PLATFORM_BPA          0x1000
 
 /* Compatibility with drivers coming from PPC32 world */
 #define _machine	(systemcfg->platform)
@@ -278,6 +288,7 @@
 #define IC_INVALID    0
 #define IC_OPEN_PIC   1
 #define IC_PPC_XIC    2
+#define IC_BPA_IIC    3
 
 #define XGLUE(a,b) a##b
 #define GLUE(a,b) XGLUE(a,b)
diff --git a/include/asm-ppc64/rtas.h b/include/asm-ppc64/rtas.h
index a8ab0e9db84a..e7d1b5222802 100644
--- a/include/asm-ppc64/rtas.h
+++ b/include/asm-ppc64/rtas.h
@@ -186,8 +186,14 @@ extern int rtas_get_sensor(int sensor, int index, int *state);
 extern int rtas_get_power_level(int powerdomain, int *level);
 extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
 extern int rtas_set_indicator(int indicator, int index, int new_value);
+extern void rtas_progress(char *s, unsigned short hex);
 extern void rtas_initialize(void);
 
+struct rtc_time;
+extern void rtas_get_boot_time(struct rtc_time *rtc_time);
+extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
+extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
+
 /* Given an RTAS status code of 9900..9905 compute the hinted delay */
 unsigned int rtas_extended_busy_delay_time(int status);
 static inline int rtas_is_extended_busy(int status)
diff --git a/include/asm-ppc64/smp.h b/include/asm-ppc64/smp.h
index 8115ecb8feee..d86f742e9a21 100644
--- a/include/asm-ppc64/smp.h
+++ b/include/asm-ppc64/smp.h
@@ -85,6 +85,14 @@ extern void smp_generic_take_timebase(void);
 
 extern struct smp_ops_t *smp_ops;
 
+#ifdef CONFIG_PPC_PSERIES
+void vpa_init(int cpu);
+#else
+static inline void vpa_init(int cpu)
+{
+}
+#endif /* CONFIG_PPC_PSERIES */
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* !(_PPC64_SMP_H) */
diff --git a/include/asm-ppc64/sparsemem.h b/include/asm-ppc64/sparsemem.h
new file mode 100644
index 000000000000..c5bd47e57f17
--- /dev/null
+++ b/include/asm-ppc64/sparsemem.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_PPC64_SPARSEMEM_H
+#define _ASM_PPC64_SPARSEMEM_H 1
+
+#ifdef CONFIG_SPARSEMEM
+/*
+ * SECTION_SIZE_BITS		2^N: how big each section will be
+ * MAX_PHYSADDR_BITS		2^N: how much physical address space we have
+ * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
+ */
+#define SECTION_SIZE_BITS       24
+#define MAX_PHYSADDR_BITS       38
+#define MAX_PHYSMEM_BITS        36
+
+#endif /* CONFIG_SPARSEMEM */
+
+#endif /* _ASM_PPC64_SPARSEMEM_H */
diff --git a/include/asm-ppc64/thread_info.h b/include/asm-ppc64/thread_info.h
index 48b7900e90ec..0494df6fca74 100644
--- a/include/asm-ppc64/thread_info.h
+++ b/include/asm-ppc64/thread_info.h
@@ -24,7 +24,7 @@ struct thread_info {
 	struct task_struct *task;		/* main task structure */
 	struct exec_domain *exec_domain;	/* execution domain */
 	int		cpu;			/* cpu we're on */
-	int		preempt_count;
+	int		preempt_count;		/* 0 => preemptable, <0 => BUG */
 	struct restart_block restart_block;
 	/* set by force_successful_syscall_return */
 	unsigned char	syscall_noerror;
diff --git a/include/asm-ppc64/time.h b/include/asm-ppc64/time.h
index 8d6e3760ee10..c6c762cad8b0 100644
--- a/include/asm-ppc64/time.h
+++ b/include/asm-ppc64/time.h
@@ -34,6 +34,15 @@ struct rtc_time;
 extern void to_tm(int tim, struct rtc_time * tm);
 extern time_t last_rtc_update;
 
+void generic_calibrate_decr(void);
+void setup_default_decr(void);
+
+/* Some sane defaults: 125 MHz timebase, 1GHz processor */
+extern unsigned long ppc_proc_freq;
+#define DEFAULT_PROC_FREQ	(DEFAULT_TB_FREQ * 8)
+extern unsigned long ppc_tb_freq;
+#define DEFAULT_TB_FREQ		125000000UL
+
 /*
  * By putting all of this stuff into a single struct we 
  * reduce the number of cache lines touched by do_gettimeofday.
diff --git a/include/asm-ppc64/topology.h b/include/asm-ppc64/topology.h
index d58d9dd79998..fcdcfd26a26b 100644
--- a/include/asm-ppc64/topology.h
+++ b/include/asm-ppc64/topology.h
@@ -59,10 +59,8 @@ static inline int node_to_first_cpu(int node)
 	.nr_balance_failed	= 0,			\
 }
 
-#else /* !CONFIG_NUMA */
+#endif /* CONFIG_NUMA */
 
 #include <asm-generic/topology.h>
 
-#endif /* CONFIG_NUMA */
-
 #endif /* _ASM_PPC64_TOPOLOGY_H */
diff --git a/include/asm-ppc64/xics.h b/include/asm-ppc64/xics.h
index fdec5e7a7af6..0c45e14e26ca 100644
--- a/include/asm-ppc64/xics.h
+++ b/include/asm-ppc64/xics.h
@@ -17,6 +17,7 @@
 void xics_init_IRQ(void);
 int xics_get_irq(struct pt_regs *);
 void xics_setup_cpu(void);
+void xics_teardown_cpu(void);
 void xics_cause_IPI(int cpu);
 void xics_request_IPIs(void);
 void xics_migrate_irqs_away(void);