Merge master.kernel.org:/home/rmk/linux-2.6-arm

11 files changed, 155 insertions, 65 deletions

diff --git a/include/asm-arm/arch-ixp2000/ixp2000-regs.h b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
index 8cf70ff..2b57f91 100644
--- a/include/asm-arm/arch-ixp2000/ixp2000-regs.h
+++ b/include/asm-arm/arch-ixp2000/ixp2000-regs.h
@@ -26,6 +26,8 @@
  * fc000000	da000000	16M		PCI CFG0
  * fd000000	d8000000	16M		PCI I/O
  * fe[0-7]00000			8M		per-platform mappings
+ * fe900000	80000000	1M		SRAM #0 (first MB)
+ * fea00000	cb400000	1M		SCRATCH ring get/put
  * feb00000	c8000000	1M		MSF
  * fec00000	df000000	1M		PCI CSRs
  * fed00000	de000000	1M		PCI CREG
@@ -91,6 +93,14 @@
 #define IXP2000_MSF_VIRT_BASE		0xfeb00000
 #define IXP2000_MSF_SIZE		0x00100000
 
+#define IXP2000_SCRATCH_RING_PHYS_BASE	0xcb400000
+#define IXP2000_SCRATCH_RING_VIRT_BASE	0xfea00000
+#define IXP2000_SCRATCH_RING_SIZE	0x00100000
+
+#define IXP2000_SRAM0_PHYS_BASE		0x80000000
+#define IXP2000_SRAM0_VIRT_BASE		0xfe900000
+#define IXP2000_SRAM0_SIZE		0x00100000
+
 #define IXP2000_PCI_IO_PHYS_BASE	0xd8000000
 #define	IXP2000_PCI_IO_VIRT_BASE	0xfd000000
 #define IXP2000_PCI_IO_SIZE     	0x01000000
diff --git a/include/asm-arm/arch-versatile/entry-macro.S b/include/asm-arm/arch-versatile/entry-macro.S
index 58f0d71..feff771 100644
--- a/include/asm-arm/arch-versatile/entry-macro.S
+++ b/include/asm-arm/arch-versatile/entry-macro.S
@@ -8,6 +8,7 @@
  * warranty of any kind, whether express or implied.
  */
 #include <asm/hardware.h>
+#include <asm/hardware/vic.h>
 
 		.macro	disable_fiq
 		.endm
diff --git a/include/asm-arm/arch-versatile/platform.h b/include/asm-arm/arch-versatile/platform.h
index cbdd9fb..72ef874 100644
--- a/include/asm-arm/arch-versatile/platform.h
+++ b/include/asm-arm/arch-versatile/platform.h
@@ -293,26 +293,7 @@
  * 	VERSATILE_SYS_IC 
  * 
  */
-#define VIC_IRQ_STATUS                  0
-#define VIC_FIQ_STATUS                  0x04
-#define VIC_IRQ_RAW_STATUS              0x08
-#define VIC_INT_SELECT                  0x0C	/* 1 = FIQ, 0 = IRQ */
-#define VIC_IRQ_ENABLE                  0x10	/* 1 = enable, 0 = disable */
-#define VIC_IRQ_ENABLE_CLEAR            0x14
-#define VIC_IRQ_SOFT                    0x18
-#define VIC_IRQ_SOFT_CLEAR              0x1C
-#define VIC_PROTECT                     0x20
-#define VIC_VECT_ADDR                   0x30
-#define VIC_DEF_VECT_ADDR               0x34
-#define VIC_VECT_ADDR0                  0x100	/* 0 to 15 */
-#define VIC_VECT_CNTL0                  0x200	/* 0 to 15 */
-#define VIC_ITCR                        0x300   /* VIC test control register */
-
-#define VIC_FIQ_RAW_STATUS              0x08
-#define VIC_FIQ_ENABLE                  0x10	/* 1 = enable, 0 = disable */
-#define VIC_FIQ_ENABLE_CLEAR            0x14
-#define VIC_FIQ_SOFT                    0x18
-#define VIC_FIQ_SOFT_CLEAR              0x1C
+/* VIC definitions in include/asm-arm/hardware/vic.h */
 
 #define SIC_IRQ_STATUS                  0
 #define SIC_IRQ_RAW_STATUS              0x04
@@ -325,8 +306,6 @@
 #define SIC_INT_PIC_ENABLES             0x20	/* set interrupt pass through bits */
 #define SIC_INT_PIC_ENABLEC             0x24	/* Clear interrupt pass through bits */
 
-#define VICVectCntl_Enable		(1 << 5)
-
 /* ------------------------------------------------------------------------
  *  Interrupts - bit assignment (primary)
  * ------------------------------------------------------------------------
diff --git a/include/asm-arm/hardware/vic.h b/include/asm-arm/hardware/vic.h
new file mode 100644
index 0000000..81825eb
--- /dev/null
+++ b/include/asm-arm/hardware/vic.h
@@ -0,0 +1,45 @@
+/*
+ *  linux/include/asm-arm/hardware/vic.h
+ *
+ *  Copyright (c) ARM Limited 2003.  All rights reserved.
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARM_HARDWARE_VIC_H
+#define __ASM_ARM_HARDWARE_VIC_H
+
+#define VIC_IRQ_STATUS			0x00
+#define VIC_FIQ_STATUS			0x04
+#define VIC_RAW_STATUS			0x08
+#define VIC_INT_SELECT			0x0c	/* 1 = FIQ, 0 = IRQ */
+#define VIC_INT_ENABLE			0x10	/* 1 = enable, 0 = disable */
+#define VIC_INT_ENABLE_CLEAR		0x14
+#define VIC_INT_SOFT			0x18
+#define VIC_INT_SOFT_CLEAR		0x1c
+#define VIC_PROTECT			0x20
+#define VIC_VECT_ADDR			0x30
+#define VIC_DEF_VECT_ADDR		0x34
+
+#define VIC_VECT_ADDR0			0x100	/* 0 to 15 */
+#define VIC_VECT_CNTL0			0x200	/* 0 to 15 */
+#define VIC_ITCR			0x300	/* VIC test control register */
+
+#define VIC_VECT_CNTL_ENABLE		(1 << 5)
+
+#ifndef __ASSEMBLY__
+void vic_init(void __iomem *base, u32 vic_sources);
+#endif
+
+#endif
diff --git a/include/asm-arm/mach/arch.h b/include/asm-arm/mach/arch.h
index eb262e07..8222bf9 100644
--- a/include/asm-arm/mach/arch.h
+++ b/include/asm-arm/mach/arch.h
@@ -20,7 +20,7 @@ struct machine_desc {
 	 * by assembler code in head-armv.S
 	 */
 	unsigned int		nr;		/* architecture number	*/
-	unsigned int		phys_ram;	/* start of physical ram */
+	unsigned int __deprecated phys_ram;	/* start of physical ram */
 	unsigned int		phys_io;	/* start of physical io	*/
 	unsigned int		io_pg_offst;	/* byte offset for io 
 						 * page tabe entry	*/
diff --git a/include/asm-arm/page.h b/include/asm-arm/page.h
index 4da1d53..416320d 100644
--- a/include/asm-arm/page.h
+++ b/include/asm-arm/page.h
@@ -170,6 +170,13 @@ extern pmd_t *top_pmd;
 #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+/*
+ * With EABI on ARMv5 and above we must have 64-bit aligned slab pointers.
+ */
+#if defined(CONFIG_AEABI) && (__LINUX_ARM_ARCH__ >= 5)
+#define ARCH_SLAB_MINALIGN 8
+#endif
+
 #endif /* __KERNEL__ */
 
 #include <asm-generic/page.h>
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index 3129069..04f4d34 100644
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -49,6 +49,12 @@ struct thread_struct {
 
 #define INIT_THREAD  {	}
 
+#ifdef CONFIG_MMU
+#define nommu_start_thread(regs) do { } while (0)
+#else
+#define nommu_start_thread(regs) regs->ARM_r10 = current->mm->start_data
+#endif
+
 #define start_thread(regs,pc,sp)					\
 ({									\
 	unsigned long *stack = (unsigned long *)sp;			\
@@ -65,6 +71,7 @@ struct thread_struct {
 	regs->ARM_r2 = stack[2];	/* r2 (envp) */			\
 	regs->ARM_r1 = stack[1];	/* r1 (argv) */			\
 	regs->ARM_r0 = stack[0];	/* r0 (argc) */			\
+	nommu_start_thread(regs);					\
 })
 
 /* Forward declaration, a strange C thing */
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index 4377e22..77adb7f 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -23,6 +23,9 @@
 #define PTRACE_OLDSETOPTIONS	21
 
 #define PTRACE_GET_THREAD_AREA	22
+
+#define PTRACE_SET_SYSCALL	23
+
 /*
  * PSR bits
  */
@@ -60,9 +63,11 @@
 
 #ifndef __ASSEMBLY__
 
-/* this struct defines the way the registers are stored on the
-   stack during a system call. */
-
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call.  Note that sizeof(struct pt_regs)
+ * has to be a multiple of 8.
+ */
 struct pt_regs {
 	long uregs[18];
 };
diff --git a/include/asm-arm/stat.h b/include/asm-arm/stat.h
index ec4e2c2..42c0c13 100644
--- a/include/asm-arm/stat.h
+++ b/include/asm-arm/stat.h
@@ -70,14 +70,7 @@ struct stat64 {
 
 	long long	st_size;
 	unsigned long	st_blksize;
-
-#if defined(__ARMEB__)
-	unsigned long   __pad4;		/* Future possible st_blocks hi bits */
-	unsigned long   st_blocks;	/* Number 512-byte blocks allocated. */
-#else /* Must be little */
-	unsigned long   st_blocks;	/* Number 512-byte blocks allocated. */
-	unsigned long   __pad4;		/* Future possible st_blocks hi bits */
-#endif
+	unsigned long long st_blocks;	/* Number 512-byte blocks allocated. */
 
 	unsigned long	st_atime;
 	unsigned long	st_atime_nsec;
@@ -89,6 +82,6 @@ struct stat64 {
 	unsigned long	st_ctime_nsec;
 
 	unsigned long long	st_ino;
-} __attribute__((packed));
+};
 
 #endif
diff --git a/include/asm-arm/statfs.h b/include/asm-arm/statfs.h
index e81f827..a02e6a8 100644
--- a/include/asm-arm/statfs.h
+++ b/include/asm-arm/statfs.h
@@ -1,6 +1,42 @@
 #ifndef _ASMARM_STATFS_H
 #define _ASMARM_STATFS_H
 
-#include <asm-generic/statfs.h>
+#ifndef __KERNEL_STRICT_NAMES
+# include <linux/types.h>
+typedef __kernel_fsid_t	fsid_t;
+#endif
+
+struct statfs {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u32 f_blocks;
+	__u32 f_bfree;
+	__u32 f_bavail;
+	__u32 f_files;
+	__u32 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+};
+
+/*
+ * With EABI there is 4 bytes of padding added to this structure.
+ * Let's pack it so the padding goes away to simplify dual ABI support.
+ * Note that user space does NOT have to pack this structure.
+ */
+struct statfs64 {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u64 f_blocks;
+	__u64 f_bfree;
+	__u64 f_bavail;
+	__u64 f_files;
+	__u64 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+} __attribute__ ((packed,aligned(4)));
 
 #endif
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index d626e70..77430d6 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -15,10 +15,12 @@
 
 #include <linux/linkage.h>
 
-#if defined(__thumb__)
+#define __NR_OABI_SYSCALL_BASE	0x900000
+
+#if defined(__thumb__) || defined(__ARM_EABI__)
 #define __NR_SYSCALL_BASE	0
 #else
-#define __NR_SYSCALL_BASE	0x900000
+#define __NR_SYSCALL_BASE	__NR_OABI_SYSCALL_BASE
 #endif
 
 /*
@@ -373,13 +375,13 @@
 #define __sys1(x) __sys2(x)
 
 #ifndef __syscall
-#if defined(__thumb__)
-#define __syscall(name)					\
-	"push	{r7}\n\t"				\
-	"mov	r7, #" __sys1(__NR_##name) "\n\t"	\
-	"swi	0\n\t"					\
-	"pop	{r7}"
+#if defined(__thumb__) || defined(__ARM_EABI__)
+#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
+#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
+#define __syscall(name) "swi\t0"
 #else
+#define __SYS_REG(name)
+#define __SYS_REG_LIST(regs...) regs
 #define __syscall(name) "swi\t" __sys1(__NR_##name) ""
 #endif
 #endif
@@ -395,33 +397,34 @@ do {									\
 
 #define _syscall0(type,name)						\
 type name(void) {							\
+  __SYS_REG(name)							\
   register long __res_r0 __asm__("r0");					\
   long __res;								\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	:								\
-	: "lr");							\
+	: __SYS_REG_LIST() );						\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #define _syscall1(type,name,type1,arg1) 				\
 type name(type1 arg1) { 						\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __res_r0 __asm__("r0");					\
   long __res;								\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0)							\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0) ) );				\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #define _syscall2(type,name,type1,arg1,type2,arg2)			\
 type name(type1 arg1,type2 arg2) {					\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __res_r0 __asm__("r0");					\
@@ -429,8 +432,7 @@ type name(type1 arg1,type2 arg2) {					\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1) 					\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) );			\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -438,6 +440,7 @@ type name(type1 arg1,type2 arg2) {					\
 
 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
 type name(type1 arg1,type2 arg2,type3 arg3) {				\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -446,8 +449,7 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2)				\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) );	\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -455,6 +457,7 @@ type name(type1 arg1,type2 arg2,type3 arg3) {				\
 
 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -464,8 +467,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3)			\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) ); \
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
@@ -473,6 +475,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
 
 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)	\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -483,14 +486,15 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3),"r" (__r4)	\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
+			  "r" (__r3), "r" (__r4) ) );			\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6)	\
 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) {	\
+  __SYS_REG(name)							\
   register long __r0 __asm__("r0") = (long)arg1;			\
   register long __r1 __asm__("r1") = (long)arg2;			\
   register long __r2 __asm__("r2") = (long)arg3;			\
@@ -502,30 +506,33 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
   __asm__ __volatile__ (						\
   __syscall(name)							\
 	: "=r" (__res_r0)						\
-	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3), "r" (__r4),"r" (__r5)		\
-	: "lr");							\
+	: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2),		\
+			  "r" (__r3), "r" (__r4), "r" (__r5) ) );	\
   __res = __res_r0;							\
   __syscall_return(type,__res);						\
 }
 
 #ifdef __KERNEL__
 #define __ARCH_WANT_IPC_PARSE_VERSION
-#define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
 #define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_SOCKETCALL
 #define __ARCH_WANT_SYS_GETPGRP
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
-#define __ARCH_WANT_SYS_OLD_GETRLIMIT
-#define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
+
+#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
+#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_OLDUMOUNT
+#define __ARCH_WANT_SYS_ALARM
+#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_OLD_READDIR
+#define __ARCH_WANT_SYS_SOCKETCALL
+#endif
 #endif
 
 #ifdef __KERNEL_SYSCALLS__