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-rw-r--r--arch/arm/include/asm/glue.h26
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h1
-rw-r--r--arch/arm/include/asm/smp_plat.h16
-rw-r--r--arch/arm/include/asm/unistd.h1
4 files changed, 38 insertions, 6 deletions
diff --git a/arch/arm/include/asm/glue.h b/arch/arm/include/asm/glue.h
index a0e39d5d00c..234a3fc1c78 100644
--- a/arch/arm/include/asm/glue.h
+++ b/arch/arm/include/asm/glue.h
@@ -120,25 +120,39 @@
#endif
/*
- * Prefetch abort handler. If the CPU has an IFAR use that, otherwise
- * use the address of the aborted instruction
+ * Prefetch Abort Model
+ * ================
+ *
+ * We have the following to choose from:
+ * legacy - no IFSR, no IFAR
+ * v6 - ARMv6: IFSR, no IFAR
+ * v7 - ARMv7: IFSR and IFAR
*/
+
#undef CPU_PABORT_HANDLER
#undef MULTI_PABORT
-#ifdef CONFIG_CPU_PABRT_IFAR
+#ifdef CONFIG_CPU_PABRT_LEGACY
+# ifdef CPU_PABORT_HANDLER
+# define MULTI_PABORT 1
+# else
+# define CPU_PABORT_HANDLER legacy_pabort
+# endif
+#endif
+
+#ifdef CONFIG_CPU_PABRT_V6
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
-# define CPU_PABORT_HANDLER(reg, insn) mrc p15, 0, reg, cr6, cr0, 2
+# define CPU_PABORT_HANDLER v6_pabort
# endif
#endif
-#ifdef CONFIG_CPU_PABRT_NOIFAR
+#ifdef CONFIG_CPU_PABRT_V7
# ifdef CPU_PABORT_HANDLER
# define MULTI_PABORT 1
# else
-# define CPU_PABORT_HANDLER(reg, insn) mov reg, insn
+# define CPU_PABORT_HANDLER v7_pabort
# endif
#endif
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 4b8e7f55992..8d60ad267e3 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -215,6 +215,7 @@ extern int iop3xx_get_init_atu(void);
* IOP3XX I/O and Mem space regions for PCI autoconfiguration
*/
#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000
+#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x08000000
#define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000
#define IOP3XX_PCI_LOWER_IO_PA 0x90000000
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
new file mode 100644
index 00000000000..59303e20084
--- /dev/null
+++ b/arch/arm/include/asm/smp_plat.h
@@ -0,0 +1,16 @@
+/*
+ * ARM specific SMP header, this contains our implementation
+ * details.
+ */
+#ifndef __ASMARM_SMP_PLAT_H
+#define __ASMARM_SMP_PLAT_H
+
+#include <asm/cputype.h>
+
+/* all SMP configurations have the extended CPUID registers */
+static inline int tlb_ops_need_broadcast(void)
+{
+ return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2;
+}
+
+#endif
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index 89f7eade20a..7020217fc49 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -456,6 +456,7 @@
* Unimplemented (or alternatively implemented) syscalls
*/
#define __IGNORE_fadvise64_64 1
+#define __IGNORE_migrate_pages 1
#endif /* __KERNEL__ */
#endif /* __ASM_ARM_UNISTD_H */