Commit 52fefcec authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6:
  xtensa: Update platform files to reflect new location of the header files.
  xtensa: switch to packed struct unaligned access implementation
  xtensa: Add xt2000 support files.
  xtensa: move headers files to arch/xtensa/include
  xtensa: use the new byteorder headers
parents a0e280e0 5fee325e
......@@ -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
......
#include <asm/variant/core.h>
#include <variant/core.h>
OUTPUT_ARCH(xtensa)
ENTRY(_ResetVector)
......
#include <asm/variant/core.h>
#include <variant/core.h>
#include <asm/regs.h>
#include <asm/asmmacro.h>
#include <asm/cacheasm.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
......
......@@ -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 */
......@@ -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
......
......@@ -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,
......
......@@ -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
......
......@@ -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
......
/*
* include/asm-xtensa/platform.h
*
* Platform specific functions
*
* This file is subject to the terms and conditions of the GNU General
......
......@@ -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>
......
......@@ -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)
......
......@@ -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 */
......@@ -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 */
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment