4 files changed, 18 insertions, 4 deletions
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 7a881755800f..6c8342ae74db 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -35,6 +35,16 @@
 	mtc0	\reg, CP0_TCSTATUS
 	_ehb
 	.endm
+#elif defined(CONFIG_CPU_MIPSR2)
+	.macro	local_irq_enable reg=t0
+	ei
+	irq_enable_hazard
+	.endm
+
+	.macro	local_irq_disable reg=t0
+	di
+	irq_disable_hazard
+	.endm
 #else
 	.macro	local_irq_enable reg=t0
 	mfc0	\reg, CP0_STATUS
diff --git a/arch/mips/include/asm/byteorder.h b/arch/mips/include/asm/byteorder.h
index 2988d29a0867..33790b9e0cc0 100644
--- a/arch/mips/include/asm/byteorder.h
+++ b/arch/mips/include/asm/byteorder.h
@@ -50,9 +50,8 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
 {
 	__asm__(
-	"	dsbh	%0, %1			\n"
-	"	dshd	%0, %0			\n"
-	"	drotr	%0, %0, 32		\n"
+	"	dsbh	%0, %1\n"
+	"	dshd	%0, %0"
 	: "=r" (x)
 	: "r" (x));
 
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index a8eac1697b3d..d58f128aa747 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -232,7 +232,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
  */
 #ifdef __MIPSEB__
 #define ELF_DATA	ELFDATA2MSB
-#elif __MIPSEL__
+#elif defined(__MIPSEL__)
 #define ELF_DATA	ELFDATA2LSB
 #endif
 #define ELF_ARCH	EM_MIPS
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 5510c53b7feb..053e4634acee 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -79,6 +79,11 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 	/* We don't do dynamic PCI IRQ allocation */
 }
 
+#define HAVE_PCI_MMAP
+
+extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+	enum pci_mmap_state mmap_state, int write_combine);
+
 /*
  * Dynamic DMA mapping stuff.
  * MIPS has everything mapped statically.