124 files changed, 324 insertions, 69 deletions

diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 015b6b2a26b9..1da55fe4beff 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -33,6 +33,15 @@ KBUILD_CFLAGS += -ffreestanding
 
 KBUILD_CFLAGS += -pipe -mlongcalls
 
+vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
+plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
+
+ifeq ($(KBUILD_SRC),)
+KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
+else
+KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
+endif
+
 KBUILD_DEFCONFIG := iss_defconfig
 
 # ramdisk/initrd support
@@ -66,21 +75,6 @@ libs-y		+= arch/xtensa/lib/ $(LIBGCC)
 
 boot            := arch/xtensa/boot
 
-archinc         := include/asm-xtensa
-
-archprepare: $(archinc)/.platform
-
-# Update processor variant and platform symlinks if something which affects
-# them changed.
-
-$(archinc)/.platform: $(wildcard include/config/arch/*.h) include/config/auto.conf
-        @echo '  SYMLINK $(archinc)/variant -> $(archinc)/variant-$(VARIANT)'
-        $(Q)mkdir -p $(archinc)
-        $(Q)ln -fsn $(srctree)/$(archinc)/variant-$(VARIANT) $(archinc)/variant
-        @echo '  SYMLINK $(archinc)/platform -> $(archinc)/platform-$(PLATFORM)'
-        $(Q)ln -fsn $(srctree)/$(archinc)/platform-$(PLATFORM) $(archinc)/platform
-        @touch $@
-
 
 all: zImage
 
@@ -89,10 +83,6 @@ bzImage : zImage
 zImage zImage.initrd: vmlinux
         $(Q)$(MAKE) $(build)=$(boot) $@
 
-CLEAN_FILES     += arch/xtensa/vmlinux.lds                      \
-                   $(archinc)/platform $(archinc)/variant       \
-                   $(archinc)/.platform
-
 define archhelp
   @echo '* zImage      - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
 endef
diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S
index 849dfcafd518..4e53b74dc44b 100644
--- a/arch/xtensa/boot/boot-elf/boot.lds.S
+++ b/arch/xtensa/boot/boot-elf/boot.lds.S
@@ -1,4 +1,4 @@
-#include <asm/variant/core.h>
+#include <variant/core.h>
 OUTPUT_ARCH(xtensa)
 ENTRY(_ResetVector)
 
diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S
index 84848123e2a8..5582e8cfac8f 100644
--- a/arch/xtensa/boot/boot-redboot/bootstrap.S
+++ b/arch/xtensa/boot/boot-redboot/bootstrap.S
@@ -1,4 +1,4 @@
-#include <asm/variant/core.h>
+#include <variant/core.h>
 #include <asm/regs.h>
 #include <asm/asmmacro.h>
 #include <asm/cacheasm.h>
diff --git a/include/asm-xtensa/Kbuild b/arch/xtensa/include/asm/Kbuild
index c68e1680da01..c68e1680da01 100644
--- a/include/asm-xtensa/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
diff --git a/include/asm-xtensa/asmmacro.h b/arch/xtensa/include/asm/asmmacro.h
index 76915cabad17..755320f6e0bc 100644
--- a/include/asm-xtensa/asmmacro.h
+++ b/arch/xtensa/include/asm/asmmacro.h
@@ -11,7 +11,7 @@
 #ifndef _XTENSA_ASMMACRO_H
 #define _XTENSA_ASMMACRO_H
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 /*
  * Some little helpers for loops. Use zero-overhead-loops
diff --git a/include/asm-xtensa/atomic.h b/arch/xtensa/include/asm/atomic.h
index 67ad67bed8c1..67ad67bed8c1 100644
--- a/include/asm-xtensa/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
diff --git a/include/asm-xtensa/auxvec.h b/arch/xtensa/include/asm/auxvec.h
index 257dec75c5af..257dec75c5af 100644
--- a/include/asm-xtensa/auxvec.h
+++ b/arch/xtensa/include/asm/auxvec.h
diff --git a/include/asm-xtensa/bitops.h b/arch/xtensa/include/asm/bitops.h
index 6c3930397bd3..6c3930397bd3 100644
--- a/include/asm-xtensa/bitops.h
+++ b/arch/xtensa/include/asm/bitops.h
diff --git a/include/asm-xtensa/bootparam.h b/arch/xtensa/include/asm/bootparam.h
index 9983f2c1b7ee..9983f2c1b7ee 100644
--- a/include/asm-xtensa/bootparam.h
+++ b/arch/xtensa/include/asm/bootparam.h
diff --git a/include/asm-xtensa/bug.h b/arch/xtensa/include/asm/bug.h
index 3e52d72712f1..3e52d72712f1 100644
--- a/include/asm-xtensa/bug.h
+++ b/arch/xtensa/include/asm/bug.h
diff --git a/include/asm-xtensa/bugs.h b/arch/xtensa/include/asm/bugs.h
index 69b29d198249..69b29d198249 100644
--- a/include/asm-xtensa/bugs.h
+++ b/arch/xtensa/include/asm/bugs.h
diff --git a/include/asm-xtensa/byteorder.h b/arch/xtensa/include/asm/byteorder.h
index 765edf17a9a4..07d10ad364d1 100644
--- a/include/asm-xtensa/byteorder.h
+++ b/arch/xtensa/include/asm/byteorder.h
@@ -14,7 +14,17 @@
 #include <asm/types.h>
 #include <linux/compiler.h>
 
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+#ifdef __XTENSA_EL__
+# define __LITTLE_ENDIAN
+#elif defined(__XTENSA_EB__)
+# define __BIG_ENDIAN
+#else
+# error processor byte order undefined!
+#endif
+
+#define __SWAB_64_THRU_32__
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 {
     __u32 res;
     /* instruction sequence from Xtensa ISA release 2/2000 */
@@ -28,8 +38,9 @@ static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
             );
     return res;
 }
+#define __arch_swab32 __arch_swab32
 
-static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
 {
     /* Given that 'short' values are signed (i.e., can be negative),
      * we cannot assume that the upper 16-bits of the register are
@@ -62,21 +73,8 @@ static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
 
     return res;
 }
+#define __arch_swab16 __arch_swab16
 
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-#  define __BYTEORDER_HAS_U64__
-#  define __SWAB_64_THRU_32__
-#endif
-
-#ifdef __XTENSA_EL__
-# include <linux/byteorder/little_endian.h>
-#elif defined(__XTENSA_EB__)
-# include <linux/byteorder/big_endian.h>
-#else
-# error processor byte order undefined!
-#endif
+#include <linux/byteorder.h>
 
 #endif /* _XTENSA_BYTEORDER_H */
diff --git a/include/asm-xtensa/cache.h b/arch/xtensa/include/asm/cache.h
index 3bba2a540cf0..f04c9891142f 100644
--- a/include/asm-xtensa/cache.h
+++ b/arch/xtensa/include/asm/cache.h
@@ -11,7 +11,7 @@
 #ifndef _XTENSA_CACHE_H
 #define _XTENSA_CACHE_H
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 #define L1_CACHE_SHIFT  XCHAL_DCACHE_LINEWIDTH
 #define L1_CACHE_BYTES  XCHAL_DCACHE_LINESIZE
diff --git a/include/asm-xtensa/cacheasm.h b/arch/xtensa/include/asm/cacheasm.h
index 2c20a58f94cd..2c20a58f94cd 100644
--- a/include/asm-xtensa/cacheasm.h
+++ b/arch/xtensa/include/asm/cacheasm.h
diff --git a/include/asm-xtensa/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index 94c4c53a099e..94c4c53a099e 100644
--- a/include/asm-xtensa/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
diff --git a/include/asm-xtensa/checksum.h b/arch/xtensa/include/asm/checksum.h
index 23534c60b3a4..f84d3f00774a 100644
--- a/include/asm-xtensa/checksum.h
+++ b/arch/xtensa/include/asm/checksum.h
@@ -12,7 +12,7 @@
 #define _XTENSA_CHECKSUM_H
 
 #include <linux/in6.h>
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 /*
  * computes the checksum of a memory block at buff, length len,
diff --git a/include/asm-xtensa/coprocessor.h b/arch/xtensa/include/asm/coprocessor.h
index 1cbcf9001a41..65a285d8d3fb 100644
--- a/include/asm-xtensa/coprocessor.h
+++ b/arch/xtensa/include/asm/coprocessor.h
@@ -13,11 +13,11 @@
 #define _XTENSA_COPROCESSOR_H
 
 #include <linux/stringify.h>
-#include <asm/variant/tie.h>
+#include <variant/tie.h>
 #include <asm/types.h>
 
 #ifdef __ASSEMBLY__
-# include <asm/variant/tie-asm.h>
+# include <variant/tie-asm.h>
 
 .macro  xchal_sa_start  a b
         .set .Lxchal_pofs_, 0
diff --git a/include/asm-xtensa/cpumask.h b/arch/xtensa/include/asm/cpumask.h
index ebeede397db3..ebeede397db3 100644
--- a/include/asm-xtensa/cpumask.h
+++ b/arch/xtensa/include/asm/cpumask.h
diff --git a/include/asm-xtensa/cputime.h b/arch/xtensa/include/asm/cputime.h
index a7fb864a50ae..a7fb864a50ae 100644
--- a/include/asm-xtensa/cputime.h
+++ b/arch/xtensa/include/asm/cputime.h
diff --git a/include/asm-xtensa/current.h b/arch/xtensa/include/asm/current.h
index 8d1eb5d78649..8d1eb5d78649 100644
--- a/include/asm-xtensa/current.h
+++ b/arch/xtensa/include/asm/current.h
diff --git a/include/asm-xtensa/delay.h b/arch/xtensa/include/asm/delay.h
index e1d8c9e010c1..e1d8c9e010c1 100644
--- a/include/asm-xtensa/delay.h
+++ b/arch/xtensa/include/asm/delay.h
diff --git a/include/asm-xtensa/device.h b/arch/xtensa/include/asm/device.h
index d8f9872b0e2d..d8f9872b0e2d 100644
--- a/include/asm-xtensa/device.h
+++ b/arch/xtensa/include/asm/device.h
diff --git a/include/asm-xtensa/div64.h b/arch/xtensa/include/asm/div64.h
index f35678cb0a9b..f35678cb0a9b 100644
--- a/include/asm-xtensa/div64.h
+++ b/arch/xtensa/include/asm/div64.h
diff --git a/include/asm-xtensa/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h
index 51882ae3db4d..51882ae3db4d 100644
--- a/include/asm-xtensa/dma-mapping.h
+++ b/arch/xtensa/include/asm/dma-mapping.h
diff --git a/include/asm-xtensa/dma.h b/arch/xtensa/include/asm/dma.h
index e30f3abf48f0..e30f3abf48f0 100644
--- a/include/asm-xtensa/dma.h
+++ b/arch/xtensa/include/asm/dma.h
diff --git a/include/asm-xtensa/elf.h b/arch/xtensa/include/asm/elf.h
index c3f53e755ca5..c3f53e755ca5 100644
--- a/include/asm-xtensa/elf.h
+++ b/arch/xtensa/include/asm/elf.h
diff --git a/include/asm-xtensa/emergency-restart.h b/arch/xtensa/include/asm/emergency-restart.h
index 108d8c48e42e..108d8c48e42e 100644
--- a/include/asm-xtensa/emergency-restart.h
+++ b/arch/xtensa/include/asm/emergency-restart.h
diff --git a/include/asm-xtensa/errno.h b/arch/xtensa/include/asm/errno.h
index a0f3b96b79b4..a0f3b96b79b4 100644
--- a/include/asm-xtensa/errno.h
+++ b/arch/xtensa/include/asm/errno.h
diff --git a/include/asm-xtensa/fb.h b/arch/xtensa/include/asm/fb.h
index c7df38030992..c7df38030992 100644
--- a/include/asm-xtensa/fb.h
+++ b/arch/xtensa/include/asm/fb.h
diff --git a/include/asm-xtensa/fcntl.h b/arch/xtensa/include/asm/fcntl.h
index 46ab12db5739..46ab12db5739 100644
--- a/include/asm-xtensa/fcntl.h
+++ b/arch/xtensa/include/asm/fcntl.h
diff --git a/include/asm-xtensa/futex.h b/arch/xtensa/include/asm/futex.h
index 0b745828f42b..0b745828f42b 100644
--- a/include/asm-xtensa/futex.h
+++ b/arch/xtensa/include/asm/futex.h
diff --git a/include/asm-xtensa/hardirq.h b/arch/xtensa/include/asm/hardirq.h
index 87cb19d1b10c..87cb19d1b10c 100644
--- a/include/asm-xtensa/hardirq.h
+++ b/arch/xtensa/include/asm/hardirq.h
diff --git a/include/asm-xtensa/highmem.h b/arch/xtensa/include/asm/highmem.h
index 0a046ca5a687..0a046ca5a687 100644
--- a/include/asm-xtensa/highmem.h
+++ b/arch/xtensa/include/asm/highmem.h
diff --git a/include/asm-xtensa/hw_irq.h b/arch/xtensa/include/asm/hw_irq.h
index 3ddbea759b2b..3ddbea759b2b 100644
--- a/include/asm-xtensa/hw_irq.h
+++ b/arch/xtensa/include/asm/hw_irq.h
diff --git a/include/asm-xtensa/io.h b/arch/xtensa/include/asm/io.h
index 07b7299dab20..07b7299dab20 100644
--- a/include/asm-xtensa/io.h
+++ b/arch/xtensa/include/asm/io.h
diff --git a/include/asm-xtensa/ioctl.h b/arch/xtensa/include/asm/ioctl.h
index b279fe06dfe5..b279fe06dfe5 100644
--- a/include/asm-xtensa/ioctl.h
+++ b/arch/xtensa/include/asm/ioctl.h
diff --git a/include/asm-xtensa/ioctls.h b/arch/xtensa/include/asm/ioctls.h
index 0ffa942954b9..0ffa942954b9 100644
--- a/include/asm-xtensa/ioctls.h
+++ b/arch/xtensa/include/asm/ioctls.h
diff --git a/include/asm-xtensa/ipcbuf.h b/arch/xtensa/include/asm/ipcbuf.h
index c33aa6a42145..c33aa6a42145 100644
--- a/include/asm-xtensa/ipcbuf.h
+++ b/arch/xtensa/include/asm/ipcbuf.h
diff --git a/include/asm-xtensa/irq.h b/arch/xtensa/include/asm/irq.h
index fc73b7f11aff..1620d1e0e695 100644
--- a/include/asm-xtensa/irq.h
+++ b/arch/xtensa/include/asm/irq.h
@@ -11,8 +11,8 @@
 #ifndef _XTENSA_IRQ_H
 #define _XTENSA_IRQ_H
 
-#include <asm/platform/hardware.h>
-#include <asm/variant/core.h>
+#include <platform/hardware.h>
+#include <variant/core.h>
 
 #ifndef PLATFORM_NR_IRQS
 # define PLATFORM_NR_IRQS 0
diff --git a/include/asm-xtensa/irq_regs.h b/arch/xtensa/include/asm/irq_regs.h
index 3dd9c0b70270..3dd9c0b70270 100644
--- a/include/asm-xtensa/irq_regs.h
+++ b/arch/xtensa/include/asm/irq_regs.h
diff --git a/include/asm-xtensa/kdebug.h b/arch/xtensa/include/asm/kdebug.h
index 6ece1b037665..6ece1b037665 100644
--- a/include/asm-xtensa/kdebug.h
+++ b/arch/xtensa/include/asm/kdebug.h
diff --git a/include/asm-xtensa/kmap_types.h b/arch/xtensa/include/asm/kmap_types.h
index 9e822d2e3bce..9e822d2e3bce 100644
--- a/include/asm-xtensa/kmap_types.h
+++ b/arch/xtensa/include/asm/kmap_types.h
diff --git a/include/asm-xtensa/linkage.h b/arch/xtensa/include/asm/linkage.h
index bf2128a99d79..bf2128a99d79 100644
--- a/include/asm-xtensa/linkage.h
+++ b/arch/xtensa/include/asm/linkage.h
diff --git a/include/asm-xtensa/local.h b/arch/xtensa/include/asm/local.h
index 48723e550d14..48723e550d14 100644
--- a/include/asm-xtensa/local.h
+++ b/arch/xtensa/include/asm/local.h
diff --git a/include/asm-xtensa/mman.h b/arch/xtensa/include/asm/mman.h
index 9b92620c8a1e..9b92620c8a1e 100644
--- a/include/asm-xtensa/mman.h
+++ b/arch/xtensa/include/asm/mman.h
diff --git a/include/asm-xtensa/mmu.h b/arch/xtensa/include/asm/mmu.h
index 44c5bb04c55c..44c5bb04c55c 100644
--- a/include/asm-xtensa/mmu.h
+++ b/arch/xtensa/include/asm/mmu.h
diff --git a/include/asm-xtensa/mmu_context.h b/arch/xtensa/include/asm/mmu_context.h
index c0fd8e5b4513..c0fd8e5b4513 100644
--- a/include/asm-xtensa/mmu_context.h
+++ b/arch/xtensa/include/asm/mmu_context.h
diff --git a/include/asm-xtensa/module.h b/arch/xtensa/include/asm/module.h
index d9b34bee4d42..d9b34bee4d42 100644
--- a/include/asm-xtensa/module.h
+++ b/arch/xtensa/include/asm/module.h
diff --git a/include/asm-xtensa/msgbuf.h b/arch/xtensa/include/asm/msgbuf.h
index 693c96755280..693c96755280 100644
--- a/include/asm-xtensa/msgbuf.h
+++ b/arch/xtensa/include/asm/msgbuf.h
diff --git a/include/asm-xtensa/mutex.h b/arch/xtensa/include/asm/mutex.h
index 458c1f7fbc18..458c1f7fbc18 100644
--- a/include/asm-xtensa/mutex.h
+++ b/arch/xtensa/include/asm/mutex.h
diff --git a/include/asm-xtensa/page.h b/arch/xtensa/include/asm/page.h
index 11f7dc2dbec7..11f7dc2dbec7 100644
--- a/include/asm-xtensa/page.h
+++ b/arch/xtensa/include/asm/page.h
diff --git a/include/asm-xtensa/param.h b/arch/xtensa/include/asm/param.h
index ba03d5aeab6b..ba03d5aeab6b 100644
--- a/include/asm-xtensa/param.h
+++ b/arch/xtensa/include/asm/param.h
diff --git a/include/asm-xtensa/pci-bridge.h b/arch/xtensa/include/asm/pci-bridge.h
index 00fcbd7c534a..00fcbd7c534a 100644
--- a/include/asm-xtensa/pci-bridge.h
+++ b/arch/xtensa/include/asm/pci-bridge.h
diff --git a/include/asm-xtensa/pci.h b/arch/xtensa/include/asm/pci.h
index 66410acf18b4..66410acf18b4 100644
--- a/include/asm-xtensa/pci.h
+++ b/arch/xtensa/include/asm/pci.h
diff --git a/include/asm-xtensa/percpu.h b/arch/xtensa/include/asm/percpu.h
index 6d2bc2ada9d1..6d2bc2ada9d1 100644
--- a/include/asm-xtensa/percpu.h
+++ b/arch/xtensa/include/asm/percpu.h
diff --git a/include/asm-xtensa/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index 4f4a7987eded..4f4a7987eded 100644
--- a/include/asm-xtensa/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
diff --git a/include/asm-xtensa/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 8014d96b21f1..8014d96b21f1 100644
--- a/include/asm-xtensa/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
diff --git a/include/asm-xtensa/platform.h b/arch/xtensa/include/asm/platform.h
index 48135a9718b0..e3d5a48ad495 100644
--- a/include/asm-xtensa/platform.h
+++ b/arch/xtensa/include/asm/platform.h
@@ -1,6 +1,4 @@
 /*
- * include/asm-xtensa/platform.h
- *
  * Platform specific functions
  *
  * This file is subject to the terms and conditions of the GNU General
diff --git a/include/asm-xtensa/poll.h b/arch/xtensa/include/asm/poll.h
index 9d2d5993f068..9d2d5993f068 100644
--- a/include/asm-xtensa/poll.h
+++ b/arch/xtensa/include/asm/poll.h
diff --git a/include/asm-xtensa/posix_types.h b/arch/xtensa/include/asm/posix_types.h
index 43f9dd1126a4..43f9dd1126a4 100644
--- a/include/asm-xtensa/posix_types.h
+++ b/arch/xtensa/include/asm/posix_types.h
diff --git a/include/asm-xtensa/processor.h b/arch/xtensa/include/asm/processor.h
index 4918a4e96d42..07387d3b99f4 100644
--- a/include/asm-xtensa/processor.h
+++ b/arch/xtensa/include/asm/processor.h
@@ -11,7 +11,7 @@
 #ifndef _XTENSA_PROCESSOR_H
 #define _XTENSA_PROCESSOR_H
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 #include <asm/coprocessor.h>
 
 #include <linux/compiler.h>
diff --git a/include/asm-xtensa/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 089b0db44816..905e1e619654 100644
--- a/include/asm-xtensa/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -111,7 +111,7 @@ struct pt_regs {
         unsigned long areg[16];         /* 128 (64) */
 };
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 # define task_pt_regs(tsk) ((struct pt_regs*) \
   (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
diff --git a/include/asm-xtensa/regs.h b/arch/xtensa/include/asm/regs.h
index d4baed246928..d4baed246928 100644
--- a/include/asm-xtensa/regs.h
+++ b/arch/xtensa/include/asm/regs.h
diff --git a/include/asm-xtensa/resource.h b/arch/xtensa/include/asm/resource.h
index 17b5ab311771..17b5ab311771 100644
--- a/include/asm-xtensa/resource.h
+++ b/arch/xtensa/include/asm/resource.h
diff --git a/include/asm-xtensa/rmap.h b/arch/xtensa/include/asm/rmap.h
index 649588b7e9ad..649588b7e9ad 100644
--- a/include/asm-xtensa/rmap.h
+++ b/arch/xtensa/include/asm/rmap.h
diff --git a/include/asm-xtensa/rwsem.h b/arch/xtensa/include/asm/rwsem.h
index e39edf5c86f2..e39edf5c86f2 100644
--- a/include/asm-xtensa/rwsem.h
+++ b/arch/xtensa/include/asm/rwsem.h
diff --git a/include/asm-xtensa/scatterlist.h b/arch/xtensa/include/asm/scatterlist.h
index 810080bb0a2b..810080bb0a2b 100644
--- a/include/asm-xtensa/scatterlist.h
+++ b/arch/xtensa/include/asm/scatterlist.h
diff --git a/include/asm-xtensa/sections.h b/arch/xtensa/include/asm/sections.h
index 40b5191b55a2..40b5191b55a2 100644
--- a/include/asm-xtensa/sections.h
+++ b/arch/xtensa/include/asm/sections.h
diff --git a/include/asm-xtensa/segment.h b/arch/xtensa/include/asm/segment.h
index a2eb547a1a75..a2eb547a1a75 100644
--- a/include/asm-xtensa/segment.h
+++ b/arch/xtensa/include/asm/segment.h
diff --git a/include/asm-xtensa/sembuf.h b/arch/xtensa/include/asm/sembuf.h
index c15870493b33..c15870493b33 100644
--- a/include/asm-xtensa/sembuf.h
+++ b/arch/xtensa/include/asm/sembuf.h
diff --git a/include/asm-xtensa/serial.h b/arch/xtensa/include/asm/serial.h
index ec04114fcf0b..a8a2493260f6 100644
--- a/include/asm-xtensa/serial.h
+++ b/arch/xtensa/include/asm/serial.h
@@ -13,6 +13,6 @@
 #ifndef _XTENSA_SERIAL_H
 #define _XTENSA_SERIAL_H
 
-#include <asm/platform/serial.h>
+#include <platform/serial.h>
 
 #endif  /* _XTENSA_SERIAL_H */
diff --git a/include/asm-xtensa/setup.h b/arch/xtensa/include/asm/setup.h
index e3636520d8cc..e3636520d8cc 100644
--- a/include/asm-xtensa/setup.h
+++ b/arch/xtensa/include/asm/setup.h
diff --git a/include/asm-xtensa/shmbuf.h b/arch/xtensa/include/asm/shmbuf.h
index ad4b0121782c..ad4b0121782c 100644
--- a/include/asm-xtensa/shmbuf.h
+++ b/arch/xtensa/include/asm/shmbuf.h
diff --git a/include/asm-xtensa/shmparam.h b/arch/xtensa/include/asm/shmparam.h
index c8cc16c3da9e..c8cc16c3da9e 100644
--- a/include/asm-xtensa/shmparam.h
+++ b/arch/xtensa/include/asm/shmparam.h
diff --git a/include/asm-xtensa/sigcontext.h b/arch/xtensa/include/asm/sigcontext.h
index 03383af8c3b7..03383af8c3b7 100644
--- a/include/asm-xtensa/sigcontext.h
+++ b/arch/xtensa/include/asm/sigcontext.h
diff --git a/include/asm-xtensa/siginfo.h b/arch/xtensa/include/asm/siginfo.h
index 6916248295df..6916248295df 100644
--- a/include/asm-xtensa/siginfo.h
+++ b/arch/xtensa/include/asm/siginfo.h
diff --git a/include/asm-xtensa/signal.h b/arch/xtensa/include/asm/signal.h
index 633ba73bc4d2..633ba73bc4d2 100644
--- a/include/asm-xtensa/signal.h
+++ b/arch/xtensa/include/asm/signal.h
diff --git a/include/asm-xtensa/smp.h b/arch/xtensa/include/asm/smp.h
index 83c569e3bdbd..83c569e3bdbd 100644
--- a/include/asm-xtensa/smp.h
+++ b/arch/xtensa/include/asm/smp.h
diff --git a/include/asm-xtensa/socket.h b/arch/xtensa/include/asm/socket.h
index 6100682b1da2..6100682b1da2 100644
--- a/include/asm-xtensa/socket.h
+++ b/arch/xtensa/include/asm/socket.h
diff --git a/include/asm-xtensa/sockios.h b/arch/xtensa/include/asm/sockios.h
index efe0af379f01..efe0af379f01 100644
--- a/include/asm-xtensa/sockios.h
+++ b/arch/xtensa/include/asm/sockios.h
diff --git a/include/asm-xtensa/spinlock.h b/arch/xtensa/include/asm/spinlock.h
index 8ff23649581b..8ff23649581b 100644
--- a/include/asm-xtensa/spinlock.h
+++ b/arch/xtensa/include/asm/spinlock.h
diff --git a/include/asm-xtensa/stat.h b/arch/xtensa/include/asm/stat.h
index c4992038cee0..c4992038cee0 100644
--- a/include/asm-xtensa/stat.h
+++ b/arch/xtensa/include/asm/stat.h
diff --git a/include/asm-xtensa/statfs.h b/arch/xtensa/include/asm/statfs.h
index 9c3d1a213136..9c3d1a213136 100644
--- a/include/asm-xtensa/statfs.h
+++ b/arch/xtensa/include/asm/statfs.h
diff --git a/include/asm-xtensa/string.h b/arch/xtensa/include/asm/string.h
index 5fb8c27cbef5..5fb8c27cbef5 100644
--- a/include/asm-xtensa/string.h
+++ b/arch/xtensa/include/asm/string.h
diff --git a/include/asm-xtensa/syscall.h b/arch/xtensa/include/asm/syscall.h
index 05cebf8f62b1..05cebf8f62b1 100644
--- a/include/asm-xtensa/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
diff --git a/include/asm-xtensa/system.h b/arch/xtensa/include/asm/system.h
index 62b1e8f3c13c..62b1e8f3c13c 100644
--- a/include/asm-xtensa/system.h
+++ b/arch/xtensa/include/asm/system.h
diff --git a/include/asm-xtensa/termbits.h b/arch/xtensa/include/asm/termbits.h
index 85aa6a3c0b6e..85aa6a3c0b6e 100644
--- a/include/asm-xtensa/termbits.h
+++ b/arch/xtensa/include/asm/termbits.h
diff --git a/include/asm-xtensa/termios.h b/arch/xtensa/include/asm/termios.h
index 4673f42f88a7..4673f42f88a7 100644
--- a/include/asm-xtensa/termios.h
+++ b/arch/xtensa/include/asm/termios.h
diff --git a/include/asm-xtensa/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index 0f4fe1faf9ba..0f4fe1faf9ba 100644
--- a/include/asm-xtensa/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
diff --git a/include/asm-xtensa/timex.h b/arch/xtensa/include/asm/timex.h
index b83a8181d448..b83a8181d448 100644
--- a/include/asm-xtensa/timex.h
+++ b/arch/xtensa/include/asm/timex.h
diff --git a/include/asm-xtensa/tlb.h b/arch/xtensa/include/asm/tlb.h
index 31c220faca02..31c220faca02 100644
--- a/include/asm-xtensa/tlb.h
+++ b/arch/xtensa/include/asm/tlb.h
diff --git a/include/asm-xtensa/tlbflush.h b/arch/xtensa/include/asm/tlbflush.h
index 46d240074f74..46d240074f74 100644
--- a/include/asm-xtensa/tlbflush.h
+++ b/arch/xtensa/include/asm/tlbflush.h
diff --git a/include/asm-xtensa/topology.h b/arch/xtensa/include/asm/topology.h
index 7309e38a0ccb..7309e38a0ccb 100644
--- a/include/asm-xtensa/topology.h
+++ b/arch/xtensa/include/asm/topology.h
diff --git a/include/asm-xtensa/types.h b/arch/xtensa/include/asm/types.h
index c89569a8da0c..c89569a8da0c 100644
--- a/include/asm-xtensa/types.h
+++ b/arch/xtensa/include/asm/types.h
diff --git a/include/asm-xtensa/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index b8528426ab1f..b8528426ab1f 100644
--- a/include/asm-xtensa/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
diff --git a/include/asm-xtensa/ucontext.h b/arch/xtensa/include/asm/ucontext.h
index 94c94ed3e00a..94c94ed3e00a 100644
--- a/include/asm-xtensa/ucontext.h
+++ b/arch/xtensa/include/asm/ucontext.h
diff --git a/include/asm-xtensa/unaligned.h b/arch/xtensa/include/asm/unaligned.h
index 8f3424fc5d18..8e7ed046bfed 100644
--- a/include/asm-xtensa/unaligned.h
+++ b/arch/xtensa/include/asm/unaligned.h
@@ -10,20 +10,20 @@
 #ifndef _ASM_XTENSA_UNALIGNED_H
 #define _ASM_XTENSA_UNALIGNED_H
 
-#ifdef __XTENSA_EL__
-# include <linux/unaligned/le_memmove.h>
+#include <asm/byteorder.h>
+
+#ifdef __LITTLE_ENDIAN
+# include <linux/unaligned/le_struct.h>
 # include <linux/unaligned/be_byteshift.h>
 # include <linux/unaligned/generic.h>
 # define get_unaligned  __get_unaligned_le
 # define put_unaligned  __put_unaligned_le
-#elif defined(__XTENSA_EB__)
-# include <linux/unaligned/be_memmove.h>
+#else
+# include <linux/unaligned/be_struct.h>
 # include <linux/unaligned/le_byteshift.h>
 # include <linux/unaligned/generic.h>
 # define get_unaligned  __get_unaligned_be
 # define put_unaligned  __put_unaligned_be
-#else
-# error processor byte order undefined!
 #endif
 
 #endif  /* _ASM_XTENSA_UNALIGNED_H */
diff --git a/include/asm-xtensa/unistd.h b/arch/xtensa/include/asm/unistd.h
index c092c8fbb2cf..c092c8fbb2cf 100644
--- a/include/asm-xtensa/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
diff --git a/include/asm-xtensa/user.h b/arch/xtensa/include/asm/user.h
index 2c3ed23354a8..2c3ed23354a8 100644
--- a/include/asm-xtensa/user.h
+++ b/arch/xtensa/include/asm/user.h
diff --git a/include/asm-xtensa/vga.h b/arch/xtensa/include/asm/vga.h
index 1fd8cab3a297..1fd8cab3a297 100644
--- a/include/asm-xtensa/vga.h
+++ b/arch/xtensa/include/asm/vga.h
diff --git a/include/asm-xtensa/xor.h b/arch/xtensa/include/asm/xor.h
index e7b1f083991d..e7b1f083991d 100644
--- a/include/asm-xtensa/xor.h
+++ b/arch/xtensa/include/asm/xor.h
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index dfd35dcc1cb5..a51d36a27389 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -25,7 +25,7 @@
 #include <asm/page.h>
 #include <asm/signal.h>
 #include <asm/tlbflush.h>
-#include <asm/variant/tie-asm.h>
+#include <variant/tie-asm.h>
 
 /* Unimplemented features. */
 
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 51f4fb6f16f9..d506774f4b05 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -16,7 +16,7 @@
 
 #include <asm-generic/vmlinux.lds.h>
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 OUTPUT_ARCH(xtensa)
 ENTRY(_start)
 
diff --git a/arch/xtensa/lib/checksum.S b/arch/xtensa/lib/checksum.S
index 9d9cd990afa6..df397f932d0e 100644
--- a/arch/xtensa/lib/checksum.S
+++ b/arch/xtensa/lib/checksum.S
@@ -16,7 +16,7 @@
 
 #include <asm/errno.h>
 #include <linux/linkage.h>
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 /*
  * computes a partial checksum, e.g. for TCP/UDP fragments
diff --git a/arch/xtensa/lib/memcopy.S b/arch/xtensa/lib/memcopy.S
index ddda8f4bc862..ea59dcd03866 100644
--- a/arch/xtensa/lib/memcopy.S
+++ b/arch/xtensa/lib/memcopy.S
@@ -9,7 +9,7 @@
  * Copyright (C) 2002 - 2005 Tensilica Inc.
  */
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
         .macro  src_b   r, w0, w1
 #ifdef __XTENSA_EB__
diff --git a/arch/xtensa/lib/memset.S b/arch/xtensa/lib/memset.S
index 56a17495b2db..10b8c400f175 100644
--- a/arch/xtensa/lib/memset.S
+++ b/arch/xtensa/lib/memset.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 /*
  * void *memset(void *dst, int c, size_t length)
diff --git a/arch/xtensa/lib/strncpy_user.S b/arch/xtensa/lib/strncpy_user.S
index b2655d94558d..9f603cdaaa68 100644
--- a/arch/xtensa/lib/strncpy_user.S
+++ b/arch/xtensa/lib/strncpy_user.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 #include <linux/errno.h>
 
 /* Load or store instructions that may cause exceptions use the EX macro. */
diff --git a/arch/xtensa/lib/strnlen_user.S b/arch/xtensa/lib/strnlen_user.S
index ad3f616322ca..23f2a89816a1 100644
--- a/arch/xtensa/lib/strnlen_user.S
+++ b/arch/xtensa/lib/strnlen_user.S
@@ -11,7 +11,7 @@
  *  Copyright (C) 2002 Tensilica Inc.
  */
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 /* Load or store instructions that may cause exceptions use the EX macro. */
 
diff --git a/arch/xtensa/lib/usercopy.S b/arch/xtensa/lib/usercopy.S
index a8ab1d4fe0ae..46d60314bb16 100644
--- a/arch/xtensa/lib/usercopy.S
+++ b/arch/xtensa/lib/usercopy.S
@@ -53,7 +53,7 @@
  *      a11/ original length
  */
 
-#include <asm/variant/core.h>
+#include <variant/core.h>
 
 #ifdef __XTENSA_EB__
 #define ALIGN(R, W0, W1) src    R, W0, W1
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 9141e3690731..efed8897bef3 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -1,5 +1,5 @@
 /*
- * arch/xtensa/platform-iss/console.c
+ * arch/xtensa/platforms/iss/console.c
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -24,7 +24,7 @@
 #include <asm/uaccess.h>
 #include <asm/irq.h>
 
-#include <asm/platform/simcall.h>
+#include <platform/simcall.h>
 
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
diff --git a/include/asm-xtensa/platform-iss/hardware.h b/arch/xtensa/platforms/iss/include/platform/hardware.h
index 6930c12adc16..6930c12adc16 100644
--- a/include/asm-xtensa/platform-iss/hardware.h
+++ b/arch/xtensa/platforms/iss/include/platform/hardware.h
diff --git a/include/asm-xtensa/platform-iss/simcall.h b/arch/xtensa/platforms/iss/include/platform/simcall.h
index b7952c06a2b7..b7952c06a2b7 100644
--- a/include/asm-xtensa/platform-iss/simcall.h
+++ b/arch/xtensa/platforms/iss/include/platform/simcall.h
diff --git a/arch/xtensa/platforms/iss/io.c b/arch/xtensa/platforms/iss/io.c
index 5b161a5cb65f..571d0b24f895 100644
--- a/arch/xtensa/platforms/iss/io.c
+++ b/arch/xtensa/platforms/iss/io.c
@@ -3,7 +3,7 @@
 #if 0
 
 #include <asm/io.h>
-#include <xtensa/simcall.h>
+#include <platform/platform-iss/simcall.h>
 
 extern int __simc ();
 
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index 64f057d89e73..edad4156d89a 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -1,6 +1,6 @@
 /*
  *
- * arch/xtensa/platform-iss/network.c
+ * arch/xtensa/platforms/iss/network.c
  *
  * Platform specific initialization.
  *
@@ -33,7 +33,7 @@
 #include <linux/rtnetlink.h>
 #include <linux/platform_device.h>
 
-#include <asm/platform/simcall.h>
+#include <platform/simcall.h>
 
 #define DRIVER_NAME "iss-netdev"
 #define ETH_MAX_PACKET 1500
diff --git a/arch/xtensa/platforms/xt2000/Makefile b/arch/xtensa/platforms/xt2000/Makefile
new file mode 100644
index 000000000000..54d018e45bfc
--- /dev/null
+++ b/arch/xtensa/platforms/xt2000/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Tensilica XT2000 Emulation Board
+#
+
+obj-y                   = setup.o
diff --git a/arch/xtensa/platforms/xt2000/include/platform/hardware.h b/arch/xtensa/platforms/xt2000/include/platform/hardware.h
new file mode 100644
index 000000000000..41459ad07766
--- /dev/null
+++ b/arch/xtensa/platforms/xt2000/include/platform/hardware.h
@@ -0,0 +1,55 @@
+/*
+ * platform/hardware.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 Tensilica Inc.
+ */
+
+/*
+ * This file contains the hardware configuration of the XT2000 board.
+ */
+
+#ifndef _XTENSA_XT2000_HARDWARE_H
+#define _XTENSA_XT2000_HARDWARE_H
+
+#include <variant/core.h>
+#include <asm/io.h>
+
+/* 
+ * Memory configuration.
+ */
+
+#define PLATFORM_DEFAULT_MEM_START 0x00000000
+#define PLATFORM_DEFAULT_MEM_SIZE 0x08000000
+
+/*
+ * Number of platform IRQs
+ */
+#define PLATFORM_NR_IRQS 3
+/*
+ * On-board components.
+ */
+
+#define SONIC83934_INTNUM       XCHAL_EXTINT3_NUM
+#define SONIC83934_ADDR         IOADDR(0x0d030000)
+
+/*
+ * V3-PCI
+ */
+
+/* The XT2000 uses the V3 as a cascaded interrupt controller for the PCI bus */
+
+#define IRQ_PCI_A               (XCHAL_NUM_INTERRUPTS + 0)
+#define IRQ_PCI_B               (XCHAL_NUM_INTERRUPTS + 1)
+#define IRQ_PCI_C               (XCHAL_NUM_INTERRUPTS + 2)
+
+/*
+ * Various other components.
+ */
+
+#define XT2000_LED_ADDR         IOADDR(0x0d040000)
+
+#endif /* _XTENSA_XT2000_HARDWARE_H */
diff --git a/arch/xtensa/platforms/xt2000/include/platform/serial.h b/arch/xtensa/platforms/xt2000/include/platform/serial.h
new file mode 100644
index 000000000000..7226cf732b47
--- /dev/null
+++ b/arch/xtensa/platforms/xt2000/include/platform/serial.h
@@ -0,0 +1,28 @@
+/*
+ * platform/serial.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_XT2000_SERIAL_H
+#define _XTENSA_XT2000_SERIAL_H
+
+#include <variant/core.h>
+#include <asm/io.h>
+
+/*  National-Semi PC16552D DUART:  */
+
+#define DUART16552_1_INTNUM     XCHAL_EXTINT4_NUM
+#define DUART16552_2_INTNUM     XCHAL_EXTINT5_NUM
+
+#define DUART16552_1_ADDR       IOADDR(0x0d050020)      /* channel 1 */
+#define DUART16552_2_ADDR       IOADDR(0x0d050000)      /* channel 2 */
+
+#define DUART16552_XTAL_FREQ    18432000        /* crystal frequency in Hz */
+#define BASE_BAUD ( DUART16552_XTAL_FREQ / 16 )
+
+#endif /* _XTENSA_XT2000_SERIAL_H */
diff --git a/arch/xtensa/platforms/xt2000/setup.c b/arch/xtensa/platforms/xt2000/setup.c
new file mode 100644
index 000000000000..9e83940ac265
--- /dev/null
+++ b/arch/xtensa/platforms/xt2000/setup.c
@@ -0,0 +1,181 @@
+/*
+ * arch/xtensa/platforms/xt2000/setup.c
+ *
+ * Platform specific functions for the XT2000 board.
+ *
+ * Authors:     Chris Zankel <chris@zankel.net>
+ *              Joe Taylor <joe@tensilica.com>
+ *
+ * Copyright 2001 - 2004 Tensilica 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.
+ *
+ */
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/stringify.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+
+#include <asm/processor.h>
+#include <asm/platform.h>
+#include <asm/bootparam.h>
+#include <platform/hardware.h>
+#include <platform/serial.h>
+
+/* Assumes s points to an 8-chr string.  No checking for NULL. */
+
+static void led_print (int f, char *s)
+{
+        unsigned long* led_addr = (unsigned long*) (XT2000_LED_ADDR + 0xE0) + f;
+        int i;
+        for (i = f; i < 8; i++)
+                if ((*led_addr++ = *s++) == 0)
+                    break;
+}
+
+void platform_halt(void)
+{
+        led_print (0, "  HALT  ");
+        local_irq_disable();
+        while (1);
+}
+
+void platform_power_off(void)
+{
+        led_print (0, "POWEROFF");
+        local_irq_disable();
+        while (1);
+}
+
+void platform_restart(void)
+{
+        /* Flush and reset the mmu, simulate a processor reset, and
+         * jump to the reset vector. */
+
+        __asm__ __volatile__ ("movi     a2, 15\n\t"
+                              "wsr      a2, " __stringify(ICOUNTLEVEL) "\n\t"
+                              "movi     a2, 0\n\t"
+                              "wsr      a2, " __stringify(ICOUNT) "\n\t"
+                              "wsr      a2, " __stringify(IBREAKENABLE) "\n\t"
+                              "wsr      a2, " __stringify(LCOUNT) "\n\t"
+                              "movi     a2, 0x1f\n\t"
+                              "wsr      a2, " __stringify(PS) "\n\t"
+                              "isync\n\t"
+                              "jx       %0\n\t"
+                              :
+                              : "a" (XCHAL_RESET_VECTOR_VADDR)
+                              : "a2"
+                              );
+
+        /* control never gets here */
+}
+
+void __init platform_setup(char** cmdline)
+{
+        led_print (0, "LINUX   ");
+}
+
+/* early initialization */
+
+extern sysmem_info_t __initdata sysmem;
+
+void platform_init(bp_tag_t* first)
+{
+        /* Set default memory block if not provided by the bootloader. */
+
+        if (sysmem.nr_banks == 0) {
+                sysmem.nr_banks = 1;
+                sysmem.bank[0].start = PLATFORM_DEFAULT_MEM_START;
+                sysmem.bank[0].end = PLATFORM_DEFAULT_MEM_START
+                                     + PLATFORM_DEFAULT_MEM_SIZE;
+        }
+}
+
+/* Heartbeat. Let the LED blink. */
+
+void platform_heartbeat(void)
+{
+        static int i=0, t = 0;
+
+        if (--t < 0)
+        {
+                t = 59;
+                led_print(7, i ? ".": " ");
+                i ^= 1;
+        }
+}
+
+//#define RS_TABLE_SIZE 2
+//#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF|ASYNC_SKIP_TEST)
+
+#define _SERIAL_PORT(_base,_irq)                                        \
+{                                                                       \
+        .mapbase        = (_base),                                      \
+        .membase        = (void*)(_base),                               \
+        .irq            = (_irq),                                       \
+        .uartclk        = DUART16552_XTAL_FREQ,                         \
+        .iotype         = UPIO_MEM,                                     \
+        .flags          = UPF_BOOT_AUTOCONF,                            \
+        .regshift       = 2,                                            \
+}
+
+static struct plat_serial8250_port xt2000_serial_data[] = {
+#if XCHAL_HAVE_BE
+        _SERIAL_PORT(DUART16552_1_ADDR + 3, DUART16552_1_INTNUM),
+        _SERIAL_PORT(DUART16552_2_ADDR + 3, DUART16552_2_INTNUM),
+#else
+        _SERIAL_PORT(DUART16552_1_ADDR, DUART16552_1_INTNUM),
+        _SERIAL_PORT(DUART16552_2_ADDR, DUART16552_2_INTNUM),
+#endif
+        { }
+};
+
+static struct platform_device xt2000_serial8250_device = {
+        .name           = "serial8250",
+        .id             = PLAT8250_DEV_PLATFORM,
+        .dev            = {
+            .platform_data = xt2000_serial_data,
+        },
+};
+
+static struct resource xt2000_sonic_res[] = {
+        {
+                .start = SONIC83934_ADDR,
+                .end   = SONIC83934_ADDR + 0xff,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .start = SONIC83934_INTNUM,
+                .end = SONIC83934_INTNUM,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device xt2000_sonic_device = {
+        .name           = "xtsonic",
+        .num_resources  = ARRAY_SIZE(xt2000_sonic_res),
+        .resource               = xt2000_sonic_res,
+};
+
+static int __init xt2000_setup_devinit(void)
+{
+        platform_device_register(&xt2000_serial8250_device);
+        platform_device_register(&xt2000_sonic_device);
+
+        return 0;
+}
+
+device_initcall(xt2000_setup_devinit);
diff --git a/include/asm-xtensa/variant-dc232b/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h
index 525bd3d90154..525bd3d90154 100644
--- a/include/asm-xtensa/variant-dc232b/core.h
+++ b/arch/xtensa/variants/dc232b/include/variant/core.h
diff --git a/include/asm-xtensa/variant-dc232b/tie-asm.h b/arch/xtensa/variants/dc232b/include/variant/tie-asm.h
index ed4f53f529db..ed4f53f529db 100644
--- a/include/asm-xtensa/variant-dc232b/tie-asm.h
+++ b/arch/xtensa/variants/dc232b/include/variant/tie-asm.h
diff --git a/include/asm-xtensa/variant-dc232b/tie.h b/arch/xtensa/variants/dc232b/include/variant/tie.h
index 018e81af4393..018e81af4393 100644
--- a/include/asm-xtensa/variant-dc232b/tie.h
+++ b/arch/xtensa/variants/dc232b/include/variant/tie.h
diff --git a/include/asm-xtensa/variant-fsf/core.h b/arch/xtensa/variants/fsf/include/variant/core.h
index 2f337605c744..2f337605c744 100644
--- a/include/asm-xtensa/variant-fsf/core.h
+++ b/arch/xtensa/variants/fsf/include/variant/core.h
diff --git a/include/asm-xtensa/variant-fsf/tie-asm.h b/arch/xtensa/variants/fsf/include/variant/tie-asm.h
index 68a73bf4ffc5..68a73bf4ffc5 100644
--- a/include/asm-xtensa/variant-fsf/tie-asm.h
+++ b/arch/xtensa/variants/fsf/include/variant/tie-asm.h
diff --git a/include/asm-xtensa/variant-fsf/tie.h b/arch/xtensa/variants/fsf/include/variant/tie.h
index bf4020116df5..bf4020116df5 100644
--- a/include/asm-xtensa/variant-fsf/tie.h
+++ b/arch/xtensa/variants/fsf/include/variant/tie.h