14 files changed, 167 insertions, 32 deletions

diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h
index f44b529e3298..978b2c7e84ea 100644
--- a/include/asm-powerpc/bug.h
+++ b/include/asm-powerpc/bug.h
@@ -70,9 +70,10 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 		    "i" (__FILE__), "i" (__FUNCTION__));	\
 } while (0)
 
-#define WARN_ON(x) do {						\
-	if (__builtin_constant_p(x)) {				\
-		if (x)						\
+#define WARN_ON(x) ({						\
+	typeof(x) __ret_warn_on = (x);				\
+	if (__builtin_constant_p(__ret_warn_on)) {		\
+		if (__ret_warn_on)				\
 			__WARN();				\
 	} else {						\
 		__asm__ __volatile__(				\
@@ -80,11 +81,12 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 		".section __bug_table,\"a\"\n"			\
 		"\t"PPC_LONG"	1b,%1,%2,%3\n"			\
 		".previous"					\
-		: : "r" ((long)(x)),				\
+		: : "r" (__ret_warn_on),			\
 		    "i" (__LINE__ + BUG_WARNING_TRAP),		\
 		    "i" (__FILE__), "i" (__FUNCTION__));	\
 	}							\
-} while (0)
+	unlikely(__ret_warn_on);				\
+})
 
 #define HAVE_ARCH_BUG
 #define HAVE_ARCH_BUG_ON
diff --git a/include/asm-powerpc/fs_pd.h b/include/asm-powerpc/fs_pd.h
new file mode 100644
index 000000000000..3d0e819d37f1
--- /dev/null
+++ b/include/asm-powerpc/fs_pd.h
@@ -0,0 +1,45 @@
+/*
+ * Platform information definitions.
+ *
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef FS_PD_H
+#define FS_PD_H
+#include <asm/cpm2.h>
+#include <sysdev/fsl_soc.h>
+#include <asm/time.h>
+
+static inline int uart_baudrate(void)
+{
+        return get_baudrate();
+}
+
+static inline int uart_clock(void)
+{
+        return ppc_proc_freq;
+}
+
+#define cpm2_map(member)						\
+({									\
+	u32 offset = offsetof(cpm2_map_t, member);			\
+	void *addr = ioremap (CPM_MAP_ADDR + offset,			\
+			      sizeof( ((cpm2_map_t*)0)->member));	\
+	addr;								\
+})
+
+#define cpm2_map_size(member, size)					\
+({									\
+	u32 offset = offsetof(cpm2_map_t, member);			\
+	void *addr = ioremap (CPM_MAP_ADDR + offset, size);		\
+	addr;								\
+})
+
+#define cpm2_unmap(addr)	iounmap(addr)
+
+#endif
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 46bae1cf385b..cbbd8c648df1 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -11,6 +11,7 @@
 
 /* Check of existence of legacy devices */
 extern int check_legacy_ioport(unsigned long base_port);
+#define PNPBIOS_BASE	0xf000	/* only relevant for PReP */
 
 #ifndef CONFIG_PPC64
 #include <asm-ppc/io.h>
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index 34e1f89a5fa0..2dafa376a63f 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -44,6 +44,28 @@ typedef unsigned int kprobe_opcode_t;
 #define IS_TDI(instr)		(((instr) & 0xfc000000) == 0x08000000)
 #define IS_TWI(instr)		(((instr) & 0xfc000000) == 0x0c000000)
 
+/*
+ * 64bit powerpc uses function descriptors.
+ * Handle cases where:
+ * 		- User passes a <.symbol> or <module:.symbol>
+ * 		- User passes a <symbol> or <module:symbol>
+ * 		- User passes a non-existant symbol, kallsyms_lookup_name
+ * 		  returns 0. Don't deref the NULL pointer in that case
+ */
+#define kprobe_lookup_name(name, addr)					\
+{									\
+	addr = (kprobe_opcode_t *)kallsyms_lookup_name(name);		\
+	if (addr) {							\
+		char *colon;						\
+		if ((colon = strchr(name, ':')) != NULL) {		\
+			colon++;					\
+			if (*colon != '\0' && *colon != '.')		\
+				addr = *(kprobe_opcode_t **)addr;	\
+		} else if (name[0] != '.')				\
+			addr = *(kprobe_opcode_t **)addr;		\
+	}								\
+}
+
 #define JPROBE_ENTRY(pentry)	(kprobe_opcode_t *)((func_descr_t *)pentry)
 
 #define is_trap(instr)	(IS_TW(instr) || IS_TD(instr) || \
diff --git a/include/asm-powerpc/mpc85xx.h b/include/asm-powerpc/mpc85xx.h
new file mode 100644
index 000000000000..ccdb8a21138f
--- /dev/null
+++ b/include/asm-powerpc/mpc85xx.h
@@ -0,0 +1,53 @@
+/*
+ * include/asm-powerpc/mpc85xx.h
+ *
+ * MPC85xx definitions
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * Copyright 2004 Freescale Semiconductor, Inc
+ *
+ * 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.
+ */
+
+#ifdef __KERNEL__
+#ifndef __ASM_MPC85xx_H__
+#define __ASM_MPC85xx_H__
+
+#include <asm/mmu.h>
+
+#ifdef CONFIG_85xx
+
+#if defined(CONFIG_MPC8540_ADS) || defined(CONFIG_MPC8560_ADS)
+#include <platforms/85xx/mpc85xx_ads.h>
+#endif
+#if defined(CONFIG_MPC8555_CDS) || defined(CONFIG_MPC8548_CDS)
+#include <platforms/85xx/mpc8555_cds.h>
+#endif
+#ifdef CONFIG_MPC85xx_CDS
+#include <platforms/85xx/mpc85xx_cds.h>
+#endif
+
+#define _IO_BASE        isa_io_base
+#define _ISA_MEM_BASE   isa_mem_base
+#ifdef CONFIG_PCI
+#define PCI_DRAM_OFFSET pci_dram_offset
+#else
+#define PCI_DRAM_OFFSET 0
+#endif
+
+/* Let modules/drivers get at CCSRBAR */
+extern phys_addr_t get_ccsrbar(void);
+
+#ifdef MODULE
+#define CCSRBAR get_ccsrbar()
+#else
+#define CCSRBAR BOARD_CCSRBAR
+#endif
+
+#endif /* CONFIG_85xx */
+#endif /* __ASM_MPC85xx_H__ */
+#endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h
index e7036155672e..345d9b07b3e2 100644
--- a/include/asm-powerpc/pgtable-4k.h
+++ b/include/asm-powerpc/pgtable-4k.h
@@ -88,10 +88,11 @@
 #define pgd_bad(pgd)		(pgd_val(pgd) == 0)
 #define pgd_present(pgd)	(pgd_val(pgd) != 0)
 #define pgd_clear(pgdp)		(pgd_val(*(pgdp)) = 0)
-#define pgd_page(pgd)		(pgd_val(pgd) & ~PGD_MASKED_BITS)
+#define pgd_page_vaddr(pgd)	(pgd_val(pgd) & ~PGD_MASKED_BITS)
+#define pgd_page(pgd)		virt_to_page(pgd_page_vaddr(pgd))
 
 #define pud_offset(pgdp, addr)	\
-  (((pud_t *) pgd_page(*(pgdp))) + \
+  (((pud_t *) pgd_page_vaddr(*(pgdp))) + \
     (((addr) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)))
 
 #define pud_ERROR(e) \
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index 8dbf5ad8150f..10f52743f4ff 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -196,8 +196,8 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 				 || (pmd_val(pmd) & PMD_BAD_BITS))
 #define	pmd_present(pmd)	(pmd_val(pmd) != 0)
 #define	pmd_clear(pmdp)		(pmd_val(*(pmdp)) = 0)
-#define pmd_page_kernel(pmd)	(pmd_val(pmd) & ~PMD_MASKED_BITS)
-#define pmd_page(pmd)		virt_to_page(pmd_page_kernel(pmd))
+#define pmd_page_vaddr(pmd)	(pmd_val(pmd) & ~PMD_MASKED_BITS)
+#define pmd_page(pmd)		virt_to_page(pmd_page_vaddr(pmd))
 
 #define pud_set(pudp, pudval)	(pud_val(*(pudp)) = (pudval))
 #define pud_none(pud)		(!pud_val(pud))
@@ -205,7 +205,8 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 				 || (pud_val(pud) & PUD_BAD_BITS))
 #define pud_present(pud)	(pud_val(pud) != 0)
 #define pud_clear(pudp)		(pud_val(*(pudp)) = 0)
-#define pud_page(pud)		(pud_val(pud) & ~PUD_MASKED_BITS)
+#define pud_page_vaddr(pud)	(pud_val(pud) & ~PUD_MASKED_BITS)
+#define pud_page(pud)		virt_to_page(pud_page_vaddr(pud))
 
 #define pgd_set(pgdp, pudp)	({pgd_val(*(pgdp)) = (unsigned long)(pudp);})
 
@@ -219,10 +220,10 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
 #define pgd_offset(mm, address)	 ((mm)->pgd + pgd_index(address))
 
 #define pmd_offset(pudp,addr) \
-  (((pmd_t *) pud_page(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)))
+  (((pmd_t *) pud_page_vaddr(*(pudp))) + (((addr) >> PMD_SHIFT) & (PTRS_PER_PMD - 1)))
 
 #define pte_offset_kernel(dir,addr) \
-  (((pte_t *) pmd_page_kernel(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
+  (((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
 
 #define pte_offset_map(dir,addr)	pte_offset_kernel((dir), (addr))
 #define pte_offset_map_nested(dir,addr)	pte_offset_kernel((dir), (addr))
diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h
index 4435efe85d0e..4ad77a13f865 100644
--- a/include/asm-powerpc/ptrace.h
+++ b/include/asm-powerpc/ptrace.h
@@ -73,6 +73,8 @@ struct pt_regs {
 #ifndef __ASSEMBLY__
 
 #define instruction_pointer(regs) ((regs)->nip)
+#define regs_return_value(regs) ((regs)->gpr[3])
+
 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *regs);
 #else
diff --git a/include/asm-powerpc/spinlock.h b/include/asm-powerpc/spinlock.h
index c31e4382a775..cc4cfceac67c 100644
--- a/include/asm-powerpc/spinlock.h
+++ b/include/asm-powerpc/spinlock.h
@@ -285,5 +285,9 @@ static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
 	rw->lock = 0;
 }
 
+#define _raw_spin_relax(lock)	__spin_yield(lock)
+#define _raw_read_relax(lock)	__rw_yield(lock)
+#define _raw_write_relax(lock)	__rw_yield(lock)
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SPINLOCK_H */
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 4b41deaa8d8d..43627596003b 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -91,10 +91,6 @@ DEBUGGER_BOILERPLATE(debugger_iabr_match)
 DEBUGGER_BOILERPLATE(debugger_dabr_match)
 DEBUGGER_BOILERPLATE(debugger_fault_handler)
 
-#ifdef CONFIG_XMON
-extern void xmon_init(int enable);
-#endif
-
 #else
 static inline int debugger(struct pt_regs *regs) { return 0; }
 static inline int debugger_ipi(struct pt_regs *regs) { return 0; }
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index 5785ac4737b5..b051d4c88c3b 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -39,6 +39,10 @@ extern void generic_calibrate_decr(void);
 extern void wakeup_decrementer(void);
 extern void snapshot_timebase(void);
 
+#ifdef CONFIG_RTC_CLASS
+extern int __init rtc_class_hookup(void);
+#endif
+
 /* Some sane defaults: 125 MHz timebase, 1GHz processor */
 extern unsigned long ppc_proc_freq;
 #define DEFAULT_PROC_FREQ	(DEFAULT_TB_FREQ * 8)
@@ -234,4 +238,4 @@ extern void snapshot_timebases(void);
 #endif
 
 #endif /* __KERNEL__ */
-#endif /* __PPC64_TIME_H */
+#endif /* __POWERPC_TIME_H */
diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h
index bbc3844b086f..8f7ee16781a4 100644
--- a/include/asm-powerpc/topology.h
+++ b/include/asm-powerpc/topology.h
@@ -43,6 +43,7 @@ extern int pcibus_to_node(struct pci_bus *bus);
 #define SD_NODE_INIT (struct sched_domain) {		\
 	.span			= CPU_MASK_NONE,	\
 	.parent			= NULL,			\
+	.child			= NULL,			\
 	.groups			= NULL,			\
 	.min_interval		= 8,			\
 	.max_interval		= 32,			\
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index eb66eae6616f..464a48cce7f5 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -479,13 +479,6 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
 #endif
 
 /*
- * System call prototypes.
- */
-#ifdef __KERNEL_SYSCALLS__
-extern int execve(const char *file, char **argv, char **envp);
-#endif /* __KERNEL_SYSCALLS__ */
-
-/*
  * "Conditional" syscalls
  *
  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
diff --git a/include/asm-powerpc/xmon.h b/include/asm-powerpc/xmon.h
index 43f7129984c7..f1d337ed68d5 100644
--- a/include/asm-powerpc/xmon.h
+++ b/include/asm-powerpc/xmon.h
@@ -1,12 +1,22 @@
-#ifndef __PPC_XMON_H
-#define __PPC_XMON_H
-#ifdef __KERNEL__
+#ifndef __ASM_POWERPC_XMON_H
+#define __ASM_POWERPC_XMON_H
 
-struct pt_regs;
+/*
+ * Copyrignt (C) 2006 IBM Corp
+ *
+ * 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.
+ */
 
-extern int xmon(struct pt_regs *excp);
-extern void xmon_printf(const char *fmt, ...);
-extern void xmon_init(int);
+#ifdef __KERNEL__
 
+#ifdef CONFIG_XMON
+extern void xmon_setup(void);
+#else
+static inline void xmon_setup(void) { };
 #endif
-#endif
+
+#endif /* __KERNEL __ */
+#endif /* __ASM_POWERPC_XMON_H */