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-rw-r--r--target/linux/coldfire/patches/001-Coldfire-architecture-support-in-Linux-2.6.38.patch11199
1 files changed, 0 insertions, 11199 deletions
diff --git a/target/linux/coldfire/patches/001-Coldfire-architecture-support-in-Linux-2.6.38.patch b/target/linux/coldfire/patches/001-Coldfire-architecture-support-in-Linux-2.6.38.patch
deleted file mode 100644
index 6b889914a8..0000000000
--- a/target/linux/coldfire/patches/001-Coldfire-architecture-support-in-Linux-2.6.38.patch
+++ /dev/null
@@ -1,11199 +0,0 @@
-From c462e1a613c8f84bb503189b0796d036dd1e5376 Mon Sep 17 00:00:00 2001
-From: Jason Jin <jason.jin@freescale.com>
-Date: Thu, 4 Aug 2011 09:59:35 +0800
-Subject: [PATCH 01/52] Coldfire architecture support in Linux 2.6.38
-
-Coldfire architecture support in Linux 2.6.38.
-
-Signed-off-by: Alison Wang <b18965@freescale.com>
-Signed-off-by: Jason Jin <jason.jin@freescale.com>
----
- arch/m68k/Kconfig | 279 +++++++++-
- arch/m68k/Kconfig.debug | 9 +
- arch/m68k/Makefile | 48 ++-
- arch/m68k/boot/Makefile | 68 +++
- arch/m68k/coldfire/Makefile | 10 +
- arch/m68k/coldfire/common/Makefile | 7 +
- arch/m68k/coldfire/common/cache.c | 45 ++
- arch/m68k/coldfire/common/clk.c | 51 ++
- arch/m68k/coldfire/common/entry.S | 745 ++++++++++++++++++++++++
- arch/m68k/coldfire/common/head.S | 466 +++++++++++++++
- arch/m68k/coldfire/common/ints.c | 544 ++++++++++++++++++
- arch/m68k/coldfire/common/muldi3.S | 73 +++
- arch/m68k/coldfire/common/signal.c | 991 ++++++++++++++++++++++++++++++++
- arch/m68k/coldfire/common/traps.c | 457 +++++++++++++++
- arch/m68k/include/asm/atomic.h | 33 +-
- arch/m68k/include/asm/bitops_mm.h | 12 +-
- arch/m68k/include/asm/bootinfo.h | 42 ++
- arch/m68k/include/asm/cacheflush_mm.h | 14 +-
- arch/m68k/include/asm/cf-sram.h | 21 +
- arch/m68k/include/asm/cf_bitops.h | 443 ++++++++++++++
- arch/m68k/include/asm/cf_cacheflush.h | 20 +
- arch/m68k/include/asm/cf_entry.h | 153 +++++
- arch/m68k/include/asm/cf_io.h | 185 ++++++
- arch/m68k/include/asm/cf_pgalloc.h | 112 ++++
- arch/m68k/include/asm/cf_pgtable.h | 364 ++++++++++++
- arch/m68k/include/asm/cf_raw_io.h | 188 ++++++
- arch/m68k/include/asm/cf_tlbflush.h | 66 +++
- arch/m68k/include/asm/cf_uaccess.h | 262 +++++++++
- arch/m68k/include/asm/cf_virtconvert.h | 63 ++
- arch/m68k/include/asm/cfcache.h | 146 +++++
- arch/m68k/include/asm/cfmmu.h | 112 ++++
- arch/m68k/include/asm/coldfire.h | 70 ++-
- arch/m68k/include/asm/delay_mm.h | 42 ++-
- arch/m68k/include/asm/div64.h | 11 +-
- arch/m68k/include/asm/dma.h | 109 ++++-
- arch/m68k/include/asm/elf.h | 70 +++-
- arch/m68k/include/asm/io_mm.h | 234 ++++++--
- arch/m68k/include/asm/irq.h | 14 +-
- arch/m68k/include/asm/machdep.h | 15 +-
- arch/m68k/include/asm/mcfdspi.h | 59 ++
- arch/m68k/include/asm/mcfsim.h | 121 ++++
- arch/m68k/include/asm/mcfuart.h | 64 ++
- arch/m68k/include/asm/mmu.h | 15 +-
- arch/m68k/include/asm/mmu_context.h | 184 ++++++-
- arch/m68k/include/asm/page.h | 10 +-
- arch/m68k/include/asm/page_mm.h | 61 ++
- arch/m68k/include/asm/page_offset.h | 21 +-
- arch/m68k/include/asm/pgalloc.h | 12 +-
- arch/m68k/include/asm/pgtable_mm.h | 36 ++-
- arch/m68k/include/asm/processor.h | 45 ++-
- arch/m68k/include/asm/ptrace.h | 48 ++-
- arch/m68k/include/asm/raw_io.h | 15 +-
- arch/m68k/include/asm/segment.h | 17 +
- arch/m68k/include/asm/setup.h | 36 ++
- arch/m68k/include/asm/signal.h | 10 +-
- arch/m68k/include/asm/string.h | 20 +-
- arch/m68k/include/asm/swab.h | 15 +-
- arch/m68k/include/asm/system_mm.h | 23 +-
- arch/m68k/include/asm/tlbflush.h | 24 +-
- arch/m68k/include/asm/uaccess_mm.h | 80 ++--
- arch/m68k/include/asm/unistd.h | 11 +-
- arch/m68k/include/asm/virtconvert.h | 11 +
- arch/m68k/kernel/Makefile | 23 +-
- arch/m68k/kernel/asm-offsets.c | 28 +
- arch/m68k/kernel/dma.c | 47 ++-
- arch/m68k/kernel/process.c | 66 +++
- arch/m68k/kernel/setup.c | 72 ++-
- arch/m68k/kernel/sys_m68k.c | 80 +++
- arch/m68k/kernel/time.c | 142 +++++-
- arch/m68k/kernel/vmlinux-cf.lds | 142 +++++
- arch/m68k/kernel/vmlinux.lds.S | 12 +-
- arch/m68k/lib/checksum.c | 129 +++++
- arch/m68k/lib/muldi3.c | 13 +
- arch/m68k/lib/string.c | 68 +++
- arch/m68k/lib/uaccess.c | 247 ++++++++
- arch/m68k/mm/Makefile | 2 +
- arch/m68k/mm/cache.c | 19 +
- arch/m68k/mm/cf-mmu.c | 311 ++++++++++
- arch/m68k/mm/cf-sram.c | 80 +++
- arch/m68k/mm/hwtest.c | 10 +
- arch/m68k/mm/init.c | 15 +-
- arch/m68k/mm/kmap.c | 82 +++-
- arch/m68k/mm/memory.c | 17 +
- fs/namespace.c | 8 +
- include/linux/fsl_devices.h | 14 +-
- 85 files changed, 8962 insertions(+), 197 deletions(-)
- create mode 100644 arch/m68k/boot/Makefile
- create mode 100644 arch/m68k/coldfire/Makefile
- create mode 100644 arch/m68k/coldfire/common/Makefile
- create mode 100644 arch/m68k/coldfire/common/cache.c
- create mode 100644 arch/m68k/coldfire/common/clk.c
- create mode 100644 arch/m68k/coldfire/common/entry.S
- create mode 100644 arch/m68k/coldfire/common/head.S
- create mode 100644 arch/m68k/coldfire/common/ints.c
- create mode 100644 arch/m68k/coldfire/common/muldi3.S
- create mode 100644 arch/m68k/coldfire/common/signal.c
- create mode 100644 arch/m68k/coldfire/common/traps.c
- create mode 100644 arch/m68k/include/asm/cf-sram.h
- create mode 100644 arch/m68k/include/asm/cf_bitops.h
- create mode 100644 arch/m68k/include/asm/cf_cacheflush.h
- create mode 100644 arch/m68k/include/asm/cf_entry.h
- create mode 100644 arch/m68k/include/asm/cf_io.h
- create mode 100644 arch/m68k/include/asm/cf_pgalloc.h
- create mode 100644 arch/m68k/include/asm/cf_pgtable.h
- create mode 100644 arch/m68k/include/asm/cf_raw_io.h
- create mode 100644 arch/m68k/include/asm/cf_tlbflush.h
- create mode 100644 arch/m68k/include/asm/cf_uaccess.h
- create mode 100644 arch/m68k/include/asm/cf_virtconvert.h
- create mode 100644 arch/m68k/include/asm/cfcache.h
- create mode 100644 arch/m68k/include/asm/cfmmu.h
- create mode 100644 arch/m68k/include/asm/mcfdspi.h
- create mode 100644 arch/m68k/kernel/vmlinux-cf.lds
- create mode 100644 arch/m68k/mm/cf-mmu.c
- create mode 100644 arch/m68k/mm/cf-sram.c
-
---- a/arch/m68k/Kconfig
-+++ b/arch/m68k/Kconfig
-@@ -9,6 +9,14 @@ config MMU
- bool
- default y
-
-+config GENERIC_TIME
-+ bool "Enable generic timer"
-+ default n
-+
-+config GENERIC_CLOCKEVENTS
-+ bool "Enable generic clockevents"
-+ default n
-+
- config RWSEM_GENERIC_SPINLOCK
- bool
- default y
-@@ -34,7 +42,7 @@ config GENERIC_CALIBRATE_DELAY
-
- config TIME_LOW_RES
- bool
-- default y
-+ default n
-
- config GENERIC_IOMAP
- bool
-@@ -46,7 +54,7 @@ config ARCH_MAY_HAVE_PC_FDC
- default y
-
- config NO_IOPORT
-- def_bool y
-+ def_bool !(M5445X || M547X_8X || M5441X)
-
- config NO_DMA
- def_bool SUN3
-@@ -105,6 +113,35 @@ config PCMCIA
- To compile this driver as modules, choose M here: the
- modules will be called pcmcia_core and ds.
-
-+config COLDFIRE
-+ bool "ColdFire V4e support"
-+ default y
-+ select CFV4E
-+ help
-+ Say Y if you want to build a kernel to run on one of the ColdFire
-+ V4e boards.
-+
-+config CFV4E
-+ bool
-+ depends on COLDFIRE
-+ select MMU_CFV4E if MMU
-+ default y
-+
-+config FPU
-+ bool "ColdFire V4e FPU support"
-+ default n
-+ help
-+ This enables support for CFV4E FPU feature.
-+
-+config MCD_DMA
-+ bool "ColdFire MCD DMA support"
-+ depends on M547X_8X
-+ default y
-+ help
-+ This enables support for the ColdFire 547x/548x family
-+ multichannel DMA support. Many drivers need it.
-+ If you want it, say Y
-+
- config AMIGA
- bool "Amiga support"
- select MMU_MOTOROLA if MMU
-@@ -122,6 +159,16 @@ config ATARI
- this kernel on an Atari, say Y here and browse the material
- available in <file:Documentation/m68k>; otherwise say N.
-
-+config PCI
-+ bool "PCI bus support"
-+ depends on M54455 || M547X_8X
-+ default n
-+ help
-+ Find out whether you have a PCI motherboard. PCI is the name of a
-+ bus system, i.e. the way the CPU talks to the other stuff inside
-+ your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
-+ VESA. If you have PCI, say Y, otherwise N.
-+
- config MAC
- bool "Macintosh support"
- select MMU_MOTOROLA if MMU
-@@ -276,6 +323,147 @@ config M68060
- If you anticipate running this kernel on a computer with a MC68060
- processor, say Y. Otherwise, say N.
-
-+config M5445X
-+ bool "MCF5445x support"
-+ depends on COLDFIRE
-+ select GENERIC_TIME
-+ select USB_EHCI_FSL
-+ select HAVE_FSL_USB_DR
-+ help
-+ This option will add support for the MCF544x processor with mmu.
-+
-+config M54451
-+ bool
-+ depends on M5445X
-+ default n
-+
-+config M54455
-+ bool
-+ depends on M5445X
-+ default n
-+
-+choice
-+ prompt "Model"
-+ depends on M5445X
-+ default M54451EVB
-+ config M54451EVB
-+ bool "M54451EVB"
-+ select M54451
-+ config M54455EVB
-+ bool "M54455EVB"
-+ select M54455
-+endchoice
-+
-+config HAVE_FSL_USB_DR
-+ bool
-+ default n
-+
-+config M547X_8X
-+ bool "MCF547x/MCF548x support"
-+ depends on COLDFIRE
-+ help
-+ This option will add support for the MCF547x/MCF548x processor with mmu.
-+
-+config M547X
-+ bool
-+ depends on M547X_8X
-+ default n
-+
-+config M548X
-+ bool
-+ depends on M547X_8X
-+ default n
-+
-+choice
-+ prompt "Model"
-+ depends on M547X_8X
-+ default M5485CFE
-+
-+config M5474LITE
-+ bool "MCF5474LITE"
-+ select M547X
-+config M5475AFE
-+ bool "MCF5475AFE"
-+ select M547X
-+config M5475BFE
-+ bool "MCF5475BFE"
-+ select M547X
-+config M5475CFE
-+ bool "MCF5475CFE"
-+ select M547X
-+config M5475DFE
-+ bool "MCF5475DFE"
-+ select M547X
-+config M5475EFE
-+ bool "MCF5475EFE"
-+ select M547X
-+config M5475FFE
-+ bool "MCF5475FFE"
-+ select M547X
-+config M5484LITE
-+ bool "MCF5484LITE"
-+ select M548X
-+config M5485AFE
-+ bool "MCF5485AFE"
-+ select M548X
-+config M5485BFE
-+ bool "MCF5485BFE"
-+ select M548X
-+config M5485CFE
-+ bool "MCF5485CFE"
-+ select M548X
-+config M5485DFE
-+ bool "MCF5485DFE"
-+ select M548X
-+config M5485EFE
-+ bool "MCF5485EFE"
-+ select M548X
-+config M5485FFE
-+ bool "MCF5485FFE"
-+ select M548X
-+
-+endchoice
-+
-+config M5441X
-+ bool "MCF5441x support"
-+ depends on COLDFIRE
-+ select GENERIC_TIME
-+ select USB_EHCI_FSL
-+ select HAVE_FSL_USB_DR
-+ help
-+ This option will add support for the MCF5441x processor with mmu.
-+
-+config M54418
-+ bool
-+ depends on M5441X
-+ default n
-+choice
-+ prompt "Model"
-+ depends on M5441X
-+ default M54418EVB
-+ config M54418EVB
-+ bool "M54418EVB"
-+ select M54418
-+endchoice
-+
-+config MCFCLK
-+ int
-+ default 240000000 if M54451EVB
-+ default 266666666 if M54455EVB
-+ default 266000000 if M547X
-+ default 200000000 if M548X
-+ default 250000000 if M54418EVB && !USB_M5441X_PLLCLK
-+ default 150000000 if M54418EVB && USB_M5441X_PLLCLK
-+ help
-+ Coldfire System clock.
-+
-+config MCF_USER_HALT
-+ bool "Coldfire User Halt Enable"
-+ depends on M5445X || M547X_8X || M5441X
-+ default n
-+ help
-+ Enables the HALT instruction in User Mode.
-+
- config MMU_MOTOROLA
- bool
-
-@@ -283,6 +471,81 @@ config MMU_SUN3
- bool
- depends on MMU && !MMU_MOTOROLA
-
-+config MMU_CFV4E
-+ bool
-+
-+config SDRAM_BASE
-+ hex
-+ depends on COLDFIRE
-+ default 0x40000000 if M5445X
-+ default 0x00000000 if M547X_8X
-+ default 0x40000000 if M5441X
-+
-+config SDRAM_SIZE
-+ hex
-+ depends on COLDFIRE
-+ default 0x08000000 if M54451EVB
-+ default 0x10000000 if M54455EVB
-+ default 0x04000000 if M547X_8X
-+ default 0x08000000 if M54418EVB
-+
-+config NOR_FLASH_BASE
-+ hex "NOR Flash Base Address"
-+ depends on COLDFIRE
-+ default 0x00000000 if M54451EVB
-+ default 0x00000000 if M54455EVB
-+ default 0xE0000000 if M5475CFE
-+ default 0xE0000000 if M5485CFE
-+ default 0xFF800000 if M5484LITE
-+ default 0xFF800000 if M5474LITE
-+ default 0x00000000 if M54418EVB
-+
-+config DMA_BASE
-+ hex
-+ depends on COLDFIRE
-+ default 0xef000000 if M5445X
-+ default 0xef000000 if M547X_8X
-+ default 0xdf000000 if M5441X
-+
-+config DMA_SIZE
-+ hex
-+ depends on COLDFIRE
-+ default 0x1000000 if M5445X
-+ default 0x800000 if M547X_8X
-+ default 0x1000000 if M5441X
-+
-+config SRAM
-+ bool "SRAM allocation APIs support on mcfv4 platform"
-+ depends on COLDFIRE && (M5445X || M5441X)
-+ default y
-+ select GENERIC_ALLOCATOR
-+
-+config SRAM_BASE
-+ hex
-+ depends on COLDFIRE && SRAM
-+ default 0x8ff00000 if M5445X
-+ default 0x8ff00000 if M5441X
-+
-+config SRAM_SIZE
-+ hex
-+ depends on COLDFIRE && SRAM
-+ default 0x8000 if M5445X
-+ default 0x10000 if M5441X
-+
-+config SRAM_ALLOC_GRANULARITY
-+ hex
-+ depends on SRAM
-+ default 0x200 if (M5445X || M5441X)
-+
-+config VDSO
-+ bool "Support VDSO page"
-+ depends on MMU
-+ default n
-+ help
-+ This will enable support for the kernel mapping a vDSO page
-+ in process space, and subsequently handing down the entry point
-+ to the libc through the ELF auxiliary vector.
-+
- config M68KFPU_EMU
- bool "Math emulation support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
-@@ -449,6 +712,14 @@ config ZONE_DMA
- source "drivers/pci/Kconfig"
-
- source "drivers/zorro/Kconfig"
-+endmenu
-+
-+menu "Power management options"
-+
-+config PM
-+ bool "Power Management support"
-+ help
-+ Support processor power management modes
-
- endmenu
-
-@@ -583,7 +854,7 @@ config DN_SERIAL
-
- config SERIAL_CONSOLE
- bool "Support for serial port console"
-- depends on (AMIGA || ATARI || SUN3 || SUN3X || VME || APOLLO) && (ATARI_MFPSER=y || ATARI_MIDI=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL)
-+ depends on (AMIGA || ATARI || SUN3 || SUN3X || VME || APOLLO || COLDFIRE) && (ATARI_MFPSER=y || ATARI_MIDI=y || AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y || SERIAL=y || MVME147_SCC || SERIAL167 || MVME162_SCC || BVME6000_SCC || DN_SERIAL || SERIAL_COLDFIRE)
- ---help---
- If you say Y here, it will be possible to use a serial port as the
- system console (the system console is the device which receives all
-@@ -606,6 +877,8 @@ config SERIAL_CONSOLE
-
- endmenu
-
-+source "kernel/time/Kconfig"
-+
- source "fs/Kconfig"
-
- source "arch/m68k/Kconfig.debug"
---- a/arch/m68k/Kconfig.debug
-+++ b/arch/m68k/Kconfig.debug
-@@ -2,4 +2,13 @@ menu "Kernel hacking"
-
- source "lib/Kconfig.debug"
-
-+config BOOTPARAM
-+ bool 'Compiled-in Kernel Boot Parameter'
-+ depends on COLDFIRE
-+
-+config BOOTPARAM_STRING
-+ string 'Kernel Boot Parameter'
-+ default 'console=ttyS0,115200'
-+ depends on BOOTPARAM
-+
- endmenu
---- a/arch/m68k/Makefile
-+++ b/arch/m68k/Makefile
-@@ -1,6 +1,8 @@
- #
- # m68k/Makefile
- #
-+# Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+#
- # This file is included by the global makefile so that you can add your own
- # architecture-specific flags and dependencies. Remember to do have actions
- # for "archclean" and "archdep" for cleaning up and making dependencies for
-@@ -10,13 +12,13 @@
- # License. See the file "COPYING" in the main directory of this archive
- # for more details.
- #
--# Copyright (C) 1994 by Hamish Macdonald
--#
-
--KBUILD_DEFCONFIG := multi_defconfig
-+KBUILD_DEFCONFIG := amiga_defconfig#multi_defconfig
-
- # override top level makefile
-+ifndef CONFIG_COLDFIRE
- AS += -m68020
-+endif
- LDFLAGS := -m m68kelf
- KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds
- ifneq ($(SUBARCH),$(ARCH))
-@@ -30,12 +32,18 @@ ifdef CONFIG_SUN3
- LDFLAGS_vmlinux = -N
- endif
-
-+ifdef CONFIG_COLDFIRE
-+OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
-+# LDFLAGS_vmlinux = --verbose
-+endif
-+
- CHECKFLAGS += -D__mc68000__
-
- # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
- KBUILD_CFLAGS += -pipe -fno-strength-reduce -ffixed-a2
-
- # enable processor switch if compiled only for a single cpu
-+ifndef CONFIG_COLDFIRE
- ifndef CONFIG_M68020
- ifndef CONFIG_M68030
-
-@@ -49,6 +57,22 @@ endif
-
- endif
- endif
-+endif
-+
-+ifdef CONFIG_M5445X
-+KBUILD_CFLAGS += -march=isac -mcpu=54455 -msoft-float -g
-+KBUILD_AFLAGS += -march=isac -mcpu=54455 -msoft-float
-+endif
-+
-+ifdef CONFIG_M547X_8X
-+KBUILD_CFLAGS += -mcfv4e -g
-+KBUILD_AFLAGS += -mcfv4e
-+endif
-+
-+ifdef CONFIG_M5441X
-+KBUILD_CFLAGS += -march=isac -mcpu=54418 -msoft-float -g
-+KBUILD_AFLAGS += -march=isac -mcpu=54418 -msoft-float
-+endif
-
- ifdef CONFIG_KGDB
- # If configured for kgdb support, include debugging infos and keep the
-@@ -57,8 +81,12 @@ KBUILD_CFLAGS := $(subst -fomit-frame-po
- endif
-
- ifndef CONFIG_SUN3
-+ifndef CONFIG_COLDFIRE
- head-y := arch/m68k/kernel/head.o
- else
-+head-y := arch/m68k/coldfire/common/head.o
-+endif
-+else
- head-y := arch/m68k/kernel/sun3-head.o
- endif
-
-@@ -79,7 +107,20 @@ core-$(CONFIG_SUN3) += arch/m68k/sun3/
- core-$(CONFIG_M68040) += arch/m68k/fpsp040/
- core-$(CONFIG_M68060) += arch/m68k/ifpsp060/
- core-$(CONFIG_M68KFPU_EMU) += arch/m68k/math-emu/
-+core-$(CONFIG_COLDFIRE) += arch/m68k/coldfire/
-+
-+ifdef CONFIG_COLDFIRE
-+boot := arch/m68k/boot
-+
-+all: uImage
-
-+zImage zImage.srec uImage uImage.srec vmlinux.srec: vmlinux
-+ $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
-+
-+archclean:
-+ $(Q)$(MAKE) $(clean)=$(boot)
-+
-+else
- all: zImage
-
- lilo: vmlinux
-@@ -117,6 +158,7 @@ endif
-
- archclean:
- rm -f vmlinux.gz vmlinux.bz2
-+endif
-
- install:
- sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"
---- /dev/null
-+++ b/arch/m68k/boot/Makefile
-@@ -0,0 +1,68 @@
-+#
-+# arch/m68k/boot/Makefile
-+#
-+# Based on arch/sh/boot/Makefile by Stuart Menefy
-+#
-+# Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+# by Kurt Mahan <kmahan@freescale.com>
-+#
-+# 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.
-+#
-+
-+MKIMAGE := $(srctree)/scripts/mkuboot.sh
-+
-+#
-+# Assign safe dummy values if these variables are not defined,
-+# in order to suppress error message.
-+#
-+CONFIG_SDRAM_BASE ?= 0x40000000
-+CONFIG_IMG_START ?= 0x00020000
-+
-+export CONFIG_SDRAM_BASE CONFIG_IMG_START
-+
-+targets := zImage zImage.srec vmlinux.srec uImage uImage.srec
-+
-+$(obj)/zImage: $(obj)/vmlinux.bin FORCE
-+ $(call if_changed,gzip)
-+ @echo ' Image $@ is ready'
-+
-+OBJCOPYFLAGS_zImage.srec := -I binary -O srec
-+$(obj)/zImage.srec: $(obj)/zImage
-+ $(call if_changed,objcopy)
-+
-+KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
-+ $$[$(CONFIG_SDRAM_BASE) + \
-+ $(CONFIG_IMG_START)]')
-+
-+KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \
-+ $$[$(CONFIG_SDRAM_BASE) + \
-+ $(CONFIG_IMG_START)]')
-+
-+quiet_cmd_uimage = UIMAGE $@
-+ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A m68k -O linux -T kernel \
-+ -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
-+ -n 'Linux-$(KERNELRELEASE)' -d $< $@
-+
-+$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
-+ $(call if_changed,uimage)
-+ @echo ' Image $@ is ready'
-+
-+$(obj)/vmlinux.bin: vmlinux FORCE
-+ $(call if_changed,objcopy)
-+
-+$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
-+ $(call if_changed,gzip)
-+
-+OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
-+$(obj)/vmlinux.srec: $(obj)/vmlinux.bin
-+ $(call if_changed,objcopy)
-+
-+OBJCOPYFLAGS_uImage.srec := -I binary -O srec
-+$(obj)/uImage.srec: $(obj)/uImage
-+ $(call if_changed,objcopy)
-+
-+clean-files += uImage uImage.srec \
-+ zImage zImage.srec \
-+ vmlinux.srec vmlinux.bin vmlinux.bin.gz
---- /dev/null
-+++ b/arch/m68k/coldfire/Makefile
-@@ -0,0 +1,10 @@
-+#
-+# Makefile for Linux arch/m68k/coldfire source directory
-+#
-+
-+obj-y += common/
-+obj-$(CONFIG_VDSO) += vdso/
-+
-+obj-$(CONFIG_M5445X) += m5445x/
-+obj-$(CONFIG_M547X_8X) += m547x/
-+obj-$(CONFIG_M5441X) += m5441x/
---- /dev/null
-+++ b/arch/m68k/coldfire/common/Makefile
-@@ -0,0 +1,7 @@
-+#
-+# Makefile for Linux arch/m68k/coldfire/common source directory
-+#
-+
-+obj-y:= entry.o cache.o signal.o muldi3.o traps.o ints.o clk.o
-+extra-y:= head.o
-+
---- /dev/null
-+++ b/arch/m68k/coldfire/common/cache.c
-@@ -0,0 +1,45 @@
-+/*
-+ * linux/arch/m68k/coldfire/cache.c
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Matt Waddel Matt.Waddel@freescale.com
-+ * Kurt Mahan kmahan@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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/interrupt.h>
-+#include <asm/cfcache.h>
-+#include <asm/coldfire.h>
-+#include <asm/system.h>
-+
-+/* Cache Control Reg shadow reg */
-+unsigned long shadow_cacr;
-+
-+/**
-+ * cacr_set - Set the Cache Control Register
-+ * @x Value to set
-+ */
-+void cacr_set(unsigned long x)
-+{
-+ shadow_cacr = x;
-+
-+ __asm__ __volatile__ ("movec %0, %%cacr"
-+ : /* no outputs */
-+ : "r" (shadow_cacr));
-+}
-+
-+/**
-+ * cacr_get - Get the current value of the Cache Control Register
-+ *
-+ * @return CACR value
-+ */
-+unsigned long cacr_get(void)
-+{
-+ return shadow_cacr;
-+}
---- /dev/null
-+++ b/arch/m68k/coldfire/common/clk.c
-@@ -0,0 +1,51 @@
-+/***************************************************************************/
-+
-+/*
-+ * clk.c -- general ColdFire CPU kernel clk handling
-+ *
-+ * Copyright (C) 2009, Greg Ungerer (gerg@snapgear.com)
-+ * Copyright (C) 2011 Freescale Semiconductore, Inc. 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.
-+*/
-+
-+/***************************************************************************/
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/clk.h>
-+#include <asm/coldfire.h>
-+
-+/***************************************************************************/
-+
-+struct clk *clk_get(struct device *dev, const char *id)
-+{
-+ return NULL;
-+}
-+EXPORT_SYMBOL(clk_get);
-+
-+int clk_enable(struct clk *clk)
-+{
-+ return 0;
-+}
-+EXPORT_SYMBOL(clk_enable);
-+
-+void clk_disable(struct clk *clk)
-+{
-+}
-+EXPORT_SYMBOL(clk_disable);
-+
-+void clk_put(struct clk *clk)
-+{
-+}
-+EXPORT_SYMBOL(clk_put);
-+
-+unsigned long clk_get_rate(struct clk *clk)
-+{
-+ return MCF_CLK;
-+}
-+EXPORT_SYMBOL(clk_get_rate);
-+/***************************************************************************/
---- /dev/null
-+++ b/arch/m68k/coldfire/common/entry.S
-@@ -0,0 +1,745 @@
-+/*
-+ * arch/m68k/coldfire/entry.S
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Matt Waddel Matt.Waddel@freescale.com
-+ * Kurt Mahan kmahan@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * Based on:
-+ *
-+ * arch/m68knommu/platform/5307/entry.S &
-+ * arch/m68k/kernel/entry.S
-+ *
-+ * This file is subject to the terms and conditions of the GNU General Public
-+ * License. See the file README.legal in the main directory of this archive
-+ * for more details.
-+ */
-+
-+#include <linux/sys.h>
-+#include <linux/linkage.h>
-+#include <asm/cf_entry.h>
-+#include <asm/errno.h>
-+#include <asm/setup.h>
-+#include <asm/segment.h>
-+#include <asm/traps.h>
-+#include <asm/unistd.h>
-+#include <asm/asm-offsets.h>
-+
-+/*
-+ * TASK_INFO:
-+ *
-+ * - TINFO_PREEMPT (struct thread_info / preempt_count)
-+ * Used to keep track of preemptability
-+ * - TINFO_FLAGS (struct thread_info / flags - include/asm-m68k/thread_info.h)
-+ * Various bit flags that are checked for scheduling/tracing
-+ * Bits 0-7 are checked every exception exit
-+ * 8-15 are checked every syscall exit
-+ *
-+ * TIF_SIGPENDING 6
-+ * TIF_NEED_RESCHED 7
-+ * TIF_DELAYED_TRACE 14
-+ * TIF_SYSCALL_TRACE 15
-+ * TIF_MEMDIE 16 (never checked here)
-+ */
-+
-+.bss
-+
-+sw_ksp:
-+.long 0
-+
-+sw_usp:
-+.long 0
-+
-+.text
-+
-+.globl system_call
-+.globl buserr
-+.globl trap
-+.globl resume
-+.globl ret_from_exception
-+.globl ret_from_signal
-+.globl sys_call_table
-+.globl ret_from_interrupt
-+.globl inthandler
-+
-+ENTRY(buserr)
-+#ifdef CONFIG_COLDFIRE_FOO
-+ movew #0x2700,%sr /* lock interrupts */
-+#endif
-+ SAVE_ALL_INT
-+#ifdef CONFIG_COLDFIRE_FOO
-+ movew PT_0FF_SR(%sp),%d3 /* get original %sr */
-+ oril #0x2000,%d3 /* set supervisor mode in it */
-+ movew %d3,%sr /* recover irq state */
-+#endif
-+ GET_CURRENT(%d0)
-+ movel %sp,%sp@- /* stack frame pointer argument */
-+ jsr buserr_c
-+ addql #4,%sp
-+ jra .Lret_from_exception
-+
-+ENTRY(trap)
-+ SAVE_ALL_INT
-+ GET_CURRENT(%d0)
-+ movel %sp,%sp@- /* stack frame pointer argument */
-+ jsr trap_c
-+ addql #4,%sp
-+ jra .Lret_from_exception
-+
-+ /* After a fork we jump here directly from resume,
-+ %d1 contains the previous task schedule_tail */
-+ENTRY(ret_from_fork)
-+ movel %d1,%sp@-
-+ jsr schedule_tail
-+ addql #4,%sp
-+ jra .Lret_from_exception
-+
-+do_trace_entry:
-+ movel #-ENOSYS,%d1 /* needed for strace */
-+ movel %d1,%sp@(PT_OFF_D0)
-+ subql #4,%sp
-+ SAVE_SWITCH_STACK
-+ jbsr syscall_trace
-+ RESTORE_SWITCH_STACK
-+ addql #4,%sp
-+ movel %sp@(PT_OFF_ORIG_D0),%d0
-+ cmpl #NR_syscalls,%d0
-+ jcs syscall
-+badsys:
-+ movel #-ENOSYS,%d1
-+ movel %d1,%sp@(PT_OFF_D0)
-+ jra ret_from_exception
-+
-+do_trace_exit:
-+ subql #4,%sp
-+ SAVE_SWITCH_STACK
-+ jbsr syscall_trace
-+ RESTORE_SWITCH_STACK
-+ addql #4,%sp
-+ jra .Lret_from_exception
-+
-+ENTRY(ret_from_signal)
-+ RESTORE_SWITCH_STACK
-+ addql #4,%sp
-+ jra .Lret_from_exception
-+
-+ENTRY(system_call)
-+ SAVE_ALL_SYS
-+
-+ GET_CURRENT(%d1)
-+ /* save top of frame */
-+ movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
-+
-+ /* syscall trace */
-+ tstb %curptr@(TASK_INFO+TINFO_FLAGS+2)
-+ jmi do_trace_entry /* SYSCALL_TRACE is set */
-+ cmpl #NR_syscalls,%d0
-+ jcc badsys
-+syscall:
-+ movel #sys_call_table,%a0
-+ asll #2,%d0
-+ addl %d0,%a0
-+ movel %a0@,%a0
-+ jsr %a0@
-+ movel %d0,%sp@(PT_OFF_D0) /* save the return value */
-+ret_from_syscall:
-+ movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0
-+ jne syscall_exit_work /* flags set so process */
-+1: RESTORE_ALL
-+
-+syscall_exit_work:
-+ btst #5,%sp@(PT_OFF_SR) /* check if returning to kernel */
-+ bnes 1b /* if so, skip resched, signals */
-+
-+ btstl #15,%d0 /* check if SYSCALL_TRACE */
-+ jne do_trace_exit
-+ btstl #14,%d0 /* check if DELAYED_TRACE */
-+ jne do_delayed_trace
-+ btstl #6,%d0 /* check if SIGPENDING */
-+ jne do_signal_return
-+ pea resume_userspace
-+ jra schedule
-+
-+ENTRY(ret_from_exception)
-+.Lret_from_exception:
-+ btst #5,%sp@(PT_OFF_SR) /* check if returning to kernel */
-+ bnes 1f /* if so, skip resched, signals */
-+ movel %d0,%sp@- /* Only allow interrupts when we are */
-+ move %sr,%d0 /* last one on the kernel stack, */
-+ andl #ALLOWINT,%d0 /* otherwise stack overflow can occur */
-+ move %d0,%sr /* during heavy interrupt load. */
-+ movel %sp@+,%d0
-+
-+resume_userspace:
-+ moveb %curptr@(TASK_INFO+TINFO_FLAGS+3),%d0
-+ jne exit_work /* SIGPENDING and/or NEED_RESCHED set */
-+1: RESTORE_ALL
-+
-+exit_work:
-+ /* save top of frame */
-+ movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
-+ btstl #6,%d0 /* check for SIGPENDING in flags */
-+ jne do_signal_return
-+ pea resume_userspace
-+ jra schedule
-+
-+do_signal_return:
-+ subql #4,%sp /* dummy return address */
-+ SAVE_SWITCH_STACK
-+ pea %sp@(SWITCH_STACK_SIZE)
-+ clrl %sp@-
-+ bsrl do_signal
-+ addql #8,%sp
-+ RESTORE_SWITCH_STACK
-+ addql #4,%sp
-+ jbra resume_userspace
-+
-+do_delayed_trace:
-+ bclr #7,%sp@(PT_OFF_SR) /* clear trace bit in SR */
-+ pea 1 /* send SIGTRAP */
-+ movel %curptr,%sp@-
-+ pea LSIGTRAP
-+ jbsr send_sig
-+ addql #8,%sp
-+ addql #4,%sp
-+ jbra resume_userspace
-+
-+/*
-+ * This is the interrupt handler (for all hardware interrupt
-+ * sources). It figures out the vector number and calls the appropriate
-+ * interrupt service routine directly.
-+ */
-+ENTRY(inthandler)
-+ SAVE_ALL_INT
-+ GET_CURRENT(%d0)
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ addil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+ /* put exception # in d0 */
-+ movel %sp@(PT_VECTOR),%d0
-+ swap %d0 /* extract bits 25:18 */
-+ lsrl #2,%d0
-+ andl #0x0ff,%d0
-+
-+ movel %sp,%sp@-
-+ movel %d0,%sp@- /* put vector # on stack */
-+auto_irqhandler_fixup = . + 2
-+ jbsr process_int /* process the IRQ */
-+ addql #8,%sp /* pop parameters off stack */
-+
-+ret_from_interrupt:
-+
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ subil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+ jeq ret_from_last_interrupt
-+2: RESTORE_ALL
-+
-+ ALIGN
-+ret_from_last_interrupt:
-+ moveb %sp@(PT_OFF_SR),%d0
-+ andl #(~ALLOWINT>>8)&0xff,%d0
-+ jne 2b
-+
-+ /* check if we need to do software interrupts */
-+ tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING
-+ jeq .Lret_from_exception
-+ pea ret_from_exception
-+ jra do_softirq
-+
-+ENTRY(user_inthandler)
-+ SAVE_ALL_INT
-+ GET_CURRENT(%d0)
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ addil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+ /* put exception # in d0 */
-+ movel %sp@(PT_VECTOR),%d0
-+user_irqvec_fixup = . + 2
-+ swap %d0 /* extract bits 25:18 */
-+ lsrl #2,%d0
-+ andl #0x0ff,%d0
-+
-+ movel %sp,%sp@-
-+ movel %d0,%sp@- /* put vector # on stack */
-+user_irqhandler_fixup = . + 2
-+ jbsr process_int /* process the IRQ */
-+ addql #8,%sp /* pop parameters off stack */
-+
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ subil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+ jeq ret_from_last_interrupt
-+ RESTORE_ALL
-+
-+/* Handler for uninitialized and spurious interrupts */
-+
-+ENTRY(bad_inthandler)
-+ SAVE_ALL_INT
-+ GET_CURRENT(%d0)
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ addil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+
-+ movel %sp,%sp@-
-+ jsr handle_badint
-+ addql #4,%sp
-+
-+ movel %curptr@(TASK_INFO+TINFO_PREEMPT),%d0
-+ subil #0x10000,%d0
-+ movel %d0,%curptr@(TASK_INFO+TINFO_PREEMPT)
-+ jeq ret_from_last_interrupt
-+ RESTORE_ALL
-+
-+ENTRY(sys_fork)
-+ SAVE_SWITCH_STACK
-+ pea %sp@(SWITCH_STACK_SIZE)
-+ jbsr m68k_fork
-+ addql #4,%sp
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+ENTRY(sys_clone)
-+ SAVE_SWITCH_STACK
-+ pea %sp@(SWITCH_STACK_SIZE)
-+ jbsr m68k_clone
-+ addql #4,%sp
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+ENTRY(sys_vfork)
-+ SAVE_SWITCH_STACK
-+ pea %sp@(SWITCH_STACK_SIZE)
-+ jbsr m68k_vfork
-+ addql #4,%sp
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+ENTRY(sys_sigsuspend)
-+ SAVE_SWITCH_STACK
-+ pea %sp@(SWITCH_STACK_SIZE)
-+ jbsr do_sigsuspend
-+ addql #4,%sp
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+ENTRY(sys_sigreturn)
-+ SAVE_SWITCH_STACK
-+ jbsr do_sigreturn
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+ENTRY(sys_rt_sigreturn)
-+ SAVE_SWITCH_STACK
-+ jbsr do_rt_sigreturn
-+ RESTORE_SWITCH_STACK
-+ rts
-+
-+resume:
-+ /*
-+ * Beware - when entering resume, prev (the current task) is
-+ * in a0, next (the new task) is in a1,so don't change these
-+ * registers until their contents are no longer needed.
-+ */
-+
-+ /* save sr */
-+ movew %sr,%d0
-+ movew %d0,%a0@(TASK_THREAD+THREAD_SR)
-+
-+ /* save usp */
-+ /* Save USP via %a1 (which is saved/restored from %d0) */
-+ movel %a1,%d0
-+ movel %usp,%a1
-+ movel %a1,%a0@(TASK_THREAD+THREAD_USP)
-+ movel %d0,%a1
-+
-+ /* save non-scratch registers on stack */
-+ SAVE_SWITCH_STACK
-+
-+ /* save current kernel stack pointer */
-+ movel %sp,%a0@(TASK_THREAD+THREAD_KSP)
-+#ifdef CONFIG_FPU
-+ /* save floating point context */
-+ fsave %a0@(TASK_THREAD+THREAD_FPSTATE)
-+
-+1: tstb %a0@(TASK_THREAD+THREAD_FPSTATE)
-+ jeq 3f
-+2:
-+ fmovemd %fp0-%fp7,%a0@(TASK_THREAD+THREAD_FPREG)
-+3:
-+#endif
-+ /* Return previous task in %d1 */
-+ movel %curptr,%d1
-+
-+ /* switch to new task (a1 contains new task) */
-+ movel %a1,%curptr
-+#ifdef CONFIG_FPU
-+ /* restore floating point context */
-+1: tstb %a1@(TASK_THREAD+THREAD_FPSTATE)
-+ jeq 3f
-+2:
-+ fmovemd %a1@(TASK_THREAD+THREAD_FPREG),%fp0-%fp7
-+/* frestore %a1@(TASK_THREAD+THREAD_FPCNTL)*/
-+3: frestore %a1@(TASK_THREAD+THREAD_FPSTATE)
-+#endif
-+ /* restore the kernel stack pointer */
-+ movel %a1@(TASK_THREAD+THREAD_KSP),%sp
-+
-+ /* restore non-scratch registers */
-+ RESTORE_SWITCH_STACK
-+
-+ /* restore user stack pointer */
-+ movel %a1@(TASK_THREAD+THREAD_USP),%a0
-+ movel %a0,%usp
-+
-+ /* restore status register */
-+ movew %a1@(TASK_THREAD+THREAD_SR),%d0
-+ movew %d0,%sr
-+
-+ rts
-+
-+.data
-+ALIGN
-+sys_call_table:
-+ .long sys_ni_syscall /* 0 - old "setup()" system call*/
-+ .long sys_exit
-+ .long sys_fork
-+ .long sys_read
-+ .long sys_write
-+ .long sys_open /* 5 */
-+ .long sys_close
-+ .long sys_waitpid
-+ .long sys_creat
-+ .long sys_link
-+ .long sys_unlink /* 10 */
-+ .long sys_execve
-+ .long sys_chdir
-+ .long sys_time
-+ .long sys_mknod
-+ .long sys_chmod /* 15 */
-+ .long sys_chown16
-+ .long sys_ni_syscall /* old break syscall holder */
-+ .long sys_stat
-+ .long sys_lseek
-+ .long sys_getpid /* 20 */
-+ .long sys_mount
-+ .long sys_oldumount
-+ .long sys_setuid16
-+ .long sys_getuid16
-+ .long sys_stime /* 25 */
-+ .long sys_ptrace
-+ .long sys_alarm
-+ .long sys_fstat
-+ .long sys_pause
-+ .long sys_utime /* 30 */
-+ .long sys_ni_syscall /* old stty syscall holder */
-+ .long sys_ni_syscall /* old gtty syscall holder */
-+ .long sys_access
-+ .long sys_nice
-+ .long sys_ni_syscall /* 35 */ /* old ftime syscall holder */
-+ .long sys_sync
-+ .long sys_kill
-+ .long sys_rename
-+ .long sys_mkdir
-+ .long sys_rmdir /* 40 */
-+ .long sys_dup
-+ .long sys_pipe
-+ .long sys_times
-+ .long sys_ni_syscall /* old prof syscall holder */
-+ .long sys_brk /* 45 */
-+ .long sys_setgid16
-+ .long sys_getgid16
-+ .long sys_signal
-+ .long sys_geteuid16
-+ .long sys_getegid16 /* 50 */
-+ .long sys_acct
-+ .long sys_umount /* recycled never used phys() */
-+ .long sys_ni_syscall /* old lock syscall holder */
-+ .long sys_ioctl
-+ .long sys_fcntl /* 55 */
-+ .long sys_ni_syscall /* old mpx syscall holder */
-+ .long sys_setpgid
-+ .long sys_ni_syscall /* old ulimit syscall holder */
-+ .long sys_ni_syscall
-+ .long sys_umask /* 60 */
-+ .long sys_chroot
-+ .long sys_ustat
-+ .long sys_dup2
-+ .long sys_getppid
-+ .long sys_getpgrp /* 65 */
-+ .long sys_setsid
-+ .long sys_sigaction
-+ .long sys_sgetmask
-+ .long sys_ssetmask
-+ .long sys_setreuid16 /* 70 */
-+ .long sys_setregid16
-+ .long sys_sigsuspend
-+ .long sys_sigpending
-+ .long sys_sethostname
-+ .long sys_setrlimit /* 75 */
-+ .long sys_old_getrlimit
-+ .long sys_getrusage
-+ .long sys_gettimeofday
-+ .long sys_settimeofday
-+ .long sys_getgroups16 /* 80 */
-+ .long sys_setgroups16
-+ .long old_select
-+ .long sys_symlink
-+ .long sys_lstat
-+ .long sys_readlink /* 85 */
-+ .long sys_uselib
-+ .long sys_swapon
-+ .long sys_reboot
-+ .long sys_old_readdir
-+ .long old_mmap /* 90 */
-+ .long sys_munmap
-+ .long sys_truncate
-+ .long sys_ftruncate
-+ .long sys_fchmod
-+ .long sys_fchown16 /* 95 */
-+ .long sys_getpriority
-+ .long sys_setpriority
-+ .long sys_ni_syscall /* old profil syscall holder */
-+ .long sys_statfs
-+ .long sys_fstatfs /* 100 */
-+ .long sys_ni_syscall /* ioperm for i386 */
-+ .long sys_socketcall
-+ .long sys_syslog
-+ .long sys_setitimer
-+ .long sys_getitimer /* 105 */
-+ .long sys_newstat
-+ .long sys_newlstat
-+ .long sys_newfstat
-+ .long sys_ni_syscall
-+ .long sys_ni_syscall /* 110 */ /* iopl for i386 */
-+ .long sys_vhangup
-+ .long sys_ni_syscall /* obsolete idle() syscall */
-+ .long sys_ni_syscall /* vm86old for i386 */
-+ .long sys_wait4
-+ .long sys_swapoff /* 115 */
-+ .long sys_sysinfo
-+ .long sys_ipc
-+ .long sys_fsync
-+ .long sys_sigreturn
-+ .long sys_clone /* 120 */
-+ .long sys_setdomainname
-+ .long sys_newuname
-+ .long sys_cacheflush /* modify_ldt for i386 */
-+ .long sys_adjtimex
-+ .long sys_mprotect /* 125 */
-+ .long sys_sigprocmask
-+ .long sys_ni_syscall /* old "create_module" */
-+ .long sys_init_module
-+ .long sys_delete_module
-+ .long sys_ni_syscall /* 130 - old "get_kernel_syms" */
-+ .long sys_quotactl
-+ .long sys_getpgid
-+ .long sys_fchdir
-+ .long sys_bdflush
-+ .long sys_sysfs /* 135 */
-+ .long sys_personality
-+ .long sys_ni_syscall /* for afs_syscall */
-+ .long sys_setfsuid16
-+ .long sys_setfsgid16
-+ .long sys_llseek /* 140 */
-+ .long sys_getdents
-+ .long sys_select
-+ .long sys_flock
-+ .long sys_msync
-+ .long sys_readv /* 145 */
-+ .long sys_writev
-+ .long sys_getsid
-+ .long sys_fdatasync
-+ .long sys_sysctl
-+ .long sys_mlock /* 150 */
-+ .long sys_munlock
-+ .long sys_mlockall
-+ .long sys_munlockall
-+ .long sys_sched_setparam
-+ .long sys_sched_getparam /* 155 */
-+ .long sys_sched_setscheduler
-+ .long sys_sched_getscheduler
-+ .long sys_sched_yield
-+ .long sys_sched_get_priority_max
-+ .long sys_sched_get_priority_min /* 160 */
-+ .long sys_sched_rr_get_interval
-+ .long sys_nanosleep
-+ .long sys_mremap
-+ .long sys_setresuid16
-+ .long sys_getresuid16 /* 165 */
-+ .long sys_getpagesize
-+ .long sys_ni_syscall /* old sys_query_module */
-+ .long sys_poll
-+ .long sys_nfsservctl
-+ .long sys_setresgid16 /* 170 */
-+ .long sys_getresgid16
-+ .long sys_prctl
-+ .long sys_rt_sigreturn
-+ .long sys_rt_sigaction
-+ .long sys_rt_sigprocmask /* 175 */
-+ .long sys_rt_sigpending
-+ .long sys_rt_sigtimedwait
-+ .long sys_rt_sigqueueinfo
-+ .long sys_rt_sigsuspend
-+ .long sys_pread64 /* 180 */
-+ .long sys_pwrite64
-+ .long sys_lchown16;
-+ .long sys_getcwd
-+ .long sys_capget
-+ .long sys_capset /* 185 */
-+ .long sys_sigaltstack
-+ .long sys_sendfile
-+ .long sys_ni_syscall /* streams1 */
-+ .long sys_ni_syscall /* streams2 */
-+ .long sys_vfork /* 190 */
-+ .long sys_getrlimit
-+ .long sys_mmap2
-+ .long sys_truncate64
-+ .long sys_ftruncate64
-+ .long sys_stat64 /* 195 */
-+ .long sys_lstat64
-+ .long sys_fstat64
-+ .long sys_chown
-+ .long sys_getuid
-+ .long sys_getgid /* 200 */
-+ .long sys_geteuid
-+ .long sys_getegid
-+ .long sys_setreuid
-+ .long sys_setregid
-+ .long sys_getgroups /* 205 */
-+ .long sys_setgroups
-+ .long sys_fchown
-+ .long sys_setresuid
-+ .long sys_getresuid
-+ .long sys_setresgid /* 210 */
-+ .long sys_getresgid
-+ .long sys_lchown
-+ .long sys_setuid
-+ .long sys_setgid
-+ .long sys_setfsuid /* 215 */
-+ .long sys_setfsgid
-+ .long sys_pivot_root
-+ .long sys_ni_syscall
-+ .long sys_ni_syscall
-+ .long sys_getdents64 /* 220 */
-+ .long sys_gettid
-+ .long sys_tkill
-+ .long sys_setxattr
-+ .long sys_lsetxattr
-+ .long sys_fsetxattr /* 225 */
-+ .long sys_getxattr
-+ .long sys_lgetxattr
-+ .long sys_fgetxattr
-+ .long sys_listxattr
-+ .long sys_llistxattr /* 230 */
-+ .long sys_flistxattr
-+ .long sys_removexattr
-+ .long sys_lremovexattr
-+ .long sys_fremovexattr
-+ .long sys_futex /* 235 */
-+ .long sys_sendfile64
-+ .long sys_mincore
-+ .long sys_madvise
-+ .long sys_fcntl64
-+ .long sys_readahead /* 240 */
-+ .long sys_io_setup
-+ .long sys_io_destroy
-+ .long sys_io_getevents
-+ .long sys_io_submit
-+ .long sys_io_cancel /* 245 */
-+ .long sys_fadvise64
-+ .long sys_exit_group
-+ .long sys_lookup_dcookie
-+ .long sys_epoll_create
-+ .long sys_epoll_ctl /* 250 */
-+ .long sys_epoll_wait
-+ .long sys_remap_file_pages
-+ .long sys_set_tid_address
-+ .long sys_timer_create
-+ .long sys_timer_settime /* 255 */
-+ .long sys_timer_gettime
-+ .long sys_timer_getoverrun
-+ .long sys_timer_delete
-+ .long sys_clock_settime
-+ .long sys_clock_gettime /* 260 */
-+ .long sys_clock_getres
-+ .long sys_clock_nanosleep
-+ .long sys_statfs64
-+ .long sys_fstatfs64
-+ .long sys_tgkill /* 265 */
-+ .long sys_utimes
-+ .long sys_fadvise64_64
-+ .long sys_mbind
-+ .long sys_get_mempolicy
-+ .long sys_set_mempolicy /* 270 */
-+ .long sys_mq_open
-+ .long sys_mq_unlink
-+ .long sys_mq_timedsend
-+ .long sys_mq_timedreceive
-+ .long sys_mq_notify /* 275 */
-+ .long sys_mq_getsetattr
-+ .long sys_waitid
-+ .long sys_ni_syscall /* for sys_vserver */
-+ .long sys_add_key
-+ .long sys_request_key /* 280 */
-+ .long sys_keyctl
-+ .long sys_ioprio_set
-+ .long sys_ioprio_get
-+ .long sys_inotify_init
-+ .long sys_inotify_add_watch /* 285 */
-+ .long sys_inotify_rm_watch
-+ .long sys_migrate_pages
-+ .long sys_openat
-+ .long sys_mkdirat
-+ .long sys_mknodat /* 290 */
-+ .long sys_fchownat
-+ .long sys_futimesat
-+ .long sys_fstatat64
-+ .long sys_unlinkat
-+ .long sys_renameat /* 295 */
-+ .long sys_linkat
-+ .long sys_symlinkat
-+ .long sys_readlinkat
-+ .long sys_fchmodat
-+ .long sys_faccessat /* 300 */
-+ .long sys_ni_syscall /* Reserved for pselect6 */
-+ .long sys_ni_syscall /* Reserved for ppoll */
-+ .long sys_unshare
-+ .long sys_set_robust_list
-+ .long sys_get_robust_list /* 305 */
-+ .long sys_splice
-+ .long sys_sync_file_range
-+ .long sys_tee
-+ .long sys_vmsplice
-+ .long sys_move_pages /* 310 */
-+ .long sys_sched_setaffinity
-+ .long sys_sched_getaffinity
-+ .long sys_kexec_load
-+ .long sys_getcpu
-+ .long sys_epoll_pwait /* 315 */
-+ .long sys_utimensat
-+ .long sys_signalfd
-+ .long sys_timerfd_create
-+ .long sys_eventfd
-+ .long sys_fallocate /* 320 */
-+ .long sys_timerfd_settime
-+ .long sys_timerfd_gettime
-+ .long sys_signalfd4
-+ .long sys_eventfd2
-+ .long sys_epoll_create1 /* 325 */
-+ .long sys_dup3
-+ .long sys_pipe2
-+ .long sys_inotify_init1
-+ .long sys_preadv
-+ .long sys_pwritev /* 330 */
-+ .long sys_rt_tgsigqueueinfo
-+ .long sys_perf_event_open
-+ .long sys_get_thread_area
-+ .long sys_set_thread_area
-+ .long sys_atomic_cmpxchg_32 /* 335 */
-+ .long sys_atomic_barrier
-+ .long sys_fanotify_init
-+ .long sys_fanotify_mark
-+ .long sys_prlimit64
---- /dev/null
-+++ b/arch/m68k/coldfire/common/head.S
-@@ -0,0 +1,466 @@
-+/*
-+ * head.S is the MMU enabled ColdFire specific initial boot code
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Matt Waddel Matt.Waddel@freescale.com
-+ * Kurt Mahan kmahan@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+ *
-+ * Parts of this code came from arch/m68k/kernel/head.S
-+ */
-+#include <linux/linkage.h>
-+#include <linux/init.h>
-+#include <asm/bootinfo.h>
-+#include <asm/setup.h>
-+#include <asm/entry.h>
-+#include <asm/pgtable.h>
-+#include <asm/page.h>
-+#include <asm/coldfire.h>
-+#include <asm/cfcache.h>
-+
-+#define DEBUG
-+
-+.globl kernel_pg_dir
-+.globl availmem
-+.globl set_context
-+.globl set_fpga
-+
-+#ifdef DEBUG
-+/* When debugging use readable names for labels */
-+#ifdef __STDC__
-+#define L(name) .head.S.##name
-+#else
-+#define L(name) .head.S./**/name
-+#endif
-+#else
-+#ifdef __STDC__
-+#define L(name) .L##name
-+#else
-+#define L(name) .L/**/name
-+#endif
-+#endif
-+
-+/* The __INITDATA stuff is a no-op when ftrace or kgdb are turned on */
-+#ifndef __INITDATA
-+#define __INITDATA .data
-+#define __FINIT .previous
-+#endif
-+
-+/*
-+ * Kernel mapped to physical ram address.
-+ *
-+ * M5445x:
-+ * Data[0]: 0xF0000000 -> 0xFFFFFFFF System regs
-+ * Data[1]: 0x40000000 -> 0x4FFFFFFF SDRAM - cached
-+ * Code[0]: Not Mapped
-+ * Code[1]: 0x40000000 -> 0x4FFFFFFF SDRAM - cached
-+ *
-+ * M547x/M548x
-+ * Data[0]: 0xF0000000 -> 0xFFFFFFFF System regs
-+ * Data[1]: 0x00000000 -> 0x0FFFFFFF SDRAM - uncached
-+ * Code[0]: Not Mapped
-+ * Code[1]: 0x00000000 -> 0x0FFFFFFF SDRAM - cached
-+ *
-+ * M5441X:
-+ * Data[0]: 0xE0000000 -> 0xFFFFFFFF System regs
-+ * Data[1]: 0x40000000 -> 0x4FFFFFFF SDRAM - cached
-+ * Code[0]: Not Mapped
-+ * Code[1]: 0x40000000 -> 0x4FFFFFFF SDRAM - cached
-+ */
-+#if defined(CONFIG_M5445X)
-+#define ACR0_DEFAULT #0xF00FA048 /* System Regs uncached/precise */
-+#define ACR1_DEFAULT #0x400FA028 /* SDRAM cached/copyback */
-+#define ACR2_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR3_DEFAULT #0x400FA028 /* SDRAM cached/copyback */
-+#elif defined(CONFIG_M547X_8X)
-+#define ACR0_DEFAULT #0xF00FA048 /* System Regs */
-+#define ACR1_DEFAULT #0x000FA028 /* SDRAM cached/copy-back */
-+#define ACR2_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR3_DEFAULT #0x000FA028 /* Instruction cached/copy-back */
-+#elif defined(CONFIG_M5441X)
-+#define ACR0_DEFAULT #0xE01FA048 /* System Regs */
-+#define ACR1_DEFAULT #0x400FA028 /* SDRAM cached/copyback */
-+#define ACR4_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR5_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR2_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR3_DEFAULT #0x400FA028 /* Instruction cached/copy-back */
-+#define ACR6_DEFAULT #0x00000000 /* Not mapped */
-+#define ACR7_DEFAULT #0x00000000 /* Not mapped */
-+#endif
-+
-+/* ACR mapping for FPGA (maps 0) */
-+#define ACR0_FPGA #0x000FA048 /* ACR0 enable FPGA */
-+
-+/* Several macros to make the writing of subroutines easier:
-+ * - func_start marks the beginning of the routine which setups the frame
-+ * register and saves the registers, it also defines another macro
-+ * to automatically restore the registers again.
-+ * - func_return marks the end of the routine and simply calls the prepared
-+ * macro to restore registers and jump back to the caller.
-+ * - func_define generates another macro to automatically put arguments
-+ * onto the stack call the subroutine and cleanup the stack again.
-+ */
-+
-+.macro load_symbol_address symbol,register
-+ movel #\symbol,\register
-+.endm
-+
-+.macro func_start name,saveregs,savesize,stack=0
-+L(\name):
-+ linkw %a6,#-\stack
-+ subal #(\savesize),%sp
-+ moveml \saveregs,%sp@
-+.set stackstart,-\stack
-+
-+.macro func_return_\name
-+ moveml %sp@,\saveregs
-+ addal #(\savesize),%sp
-+ unlk %a6
-+ rts
-+.endm
-+.endm
-+
-+.macro func_return name
-+ func_return_\name
-+.endm
-+
-+.macro func_call name
-+ jbsr L(\name)
-+.endm
-+
-+.macro move_stack nr,arg1,arg2,arg3,arg4
-+.if \nr
-+ move_stack "(\nr-1)",\arg2,\arg3,\arg4
-+ movel \arg1,%sp@-
-+.endif
-+.endm
-+
-+.macro func_define name,nr=0
-+.macro \name arg1,arg2,arg3,arg4
-+ move_stack \nr,\arg1,\arg2,\arg3,\arg4
-+ func_call \name
-+.if \nr
-+ lea %sp@(\nr*4),%sp
-+.endif
-+.endm
-+.endm
-+
-+func_define serial_putc,1
-+
-+.macro putc ch
-+ pea \ch
-+ func_call serial_putc
-+ addql #4,%sp
-+.endm
-+
-+.macro dputc ch
-+#ifdef DEBUG
-+ putc \ch
-+#endif
-+.endm
-+
-+func_define putn,1
-+
-+.macro dputn nr
-+#ifdef DEBUG
-+ putn \nr
-+#endif
-+.endm
-+
-+/*
-+ mmu_map - creates a new TLB entry
-+
-+ virt_addr Must be on proper boundary
-+ phys_addr Must be on proper boundary
-+ itlb MMUOR_ITLB if instruction TLB or 0
-+ asid address space ID
-+ shared_global MMUTR_SG if shared between different ASIDs or 0
-+ size_code MMUDR_SZ1M 1 MB
-+ MMUDR_SZ4K 4 KB
-+ MMUDR_SZ8K 8 KB
-+ MMUDR_SZ16M 16 MB
-+ cache_mode MMUDR_INC instruction non-cacheable
-+ MMUDR_IC instruction cacheable
-+ MMUDR_DWT data writethrough
-+ MMUDR_DCB data copyback
-+ MMUDR_DNCP data non-cacheable, precise
-+ MMUDR_DNCIP data non-cacheable, imprecise
-+ super_prot MMUDR_SP if user mode generates exception or 0
-+ readable MMUDR_R if permits read access (data TLB) or 0
-+ writable MMUDR_W if permits write access (data TLB) or 0
-+ executable MMUDR_X if permits execute access (instruction TLB) or 0
-+ locked MMUDR_LK prevents TLB entry from being replaced or 0
-+ temp_data_reg a data register to use for temporary values
-+*/
-+.macro mmu_map virt_addr,phys_addr,itlb,asid,shared_global,size_code, \
-+ cache_mode,super_prot,readable,writable,executable,locked,temp_data_reg
-+ /* Set up search of TLB. */
-+ movel #(\virt_addr+1), \temp_data_reg
-+ movel \temp_data_reg, MMUAR
-+ /* Search. */
-+ movel #(MMUOR_STLB + MMUOR_ADR +\itlb), \temp_data_reg
-+ movew \temp_data_reg, (MMUOR)
-+ /* Set up tag value. */
-+ movel #(\virt_addr + \asid + \shared_global + MMUTR_V), \temp_data_reg
-+ movel \temp_data_reg, MMUTR
-+ /* Set up data value. */
-+ movel #(\phys_addr + \size_code + \cache_mode + \super_prot + \
-+ \readable + \writable + \executable + \locked), \temp_data_reg
-+ movel \temp_data_reg, MMUDR
-+ /* Save it. */
-+ movel #(MMUOR_ACC + MMUOR_UAA + \itlb), \temp_data_reg
-+ movew \temp_data_reg, (MMUOR)
-+.endm /* mmu_map */
-+
-+.macro mmu_unmap virt_addr,itlb,temp_data_reg
-+ /* Set up search of TLB. */
-+ movel #(\virt_addr+1), \temp_data_reg
-+ movel \temp_data_reg, MMUAR
-+ /* Search. */
-+ movel #(MMUOR_STLB + MMUOR_ADR +\itlb), \temp_data_reg
-+ movew \temp_data_reg, (MMUOR)
-+ /* Test for hit. */
-+ movel MMUSR,\temp_data_reg
-+ btst #MMUSR_HITN,\temp_data_reg
-+ beq 1f
-+ /* Read the TLB. */
-+ movel #(MMUOR_RW + MMUOR_ACC +\itlb), \temp_data_reg
-+ movew \temp_data_reg, (MMUOR)
-+ movel MMUSR,\temp_data_reg
-+ /* Set up tag value. */
-+ movel #0, \temp_data_reg
-+ movel \temp_data_reg, MMUTR
-+ /* Set up data value. */
-+ movel #0, \temp_data_reg
-+ movel \temp_data_reg, MMUDR
-+ /* Save it. */
-+ movel #(MMUOR_ACC + MMUOR_UAA + \itlb), \temp_data_reg
-+ movew \temp_data_reg, (MMUOR)
-+1:
-+.endm /* mmu_unmap */
-+
-+/* .text */
-+.section ".text.head","ax"
-+ENTRY(_stext)
-+/* Version numbers of the bootinfo interface -- if we later pass info
-+ * from boot ROM we might want to put something real here.
-+ *
-+ * The area from _stext to _start will later be used as kernel pointer table
-+ */
-+ bras 1f /* Jump over bootinfo version numbers */
-+
-+ .long BOOTINFOV_MAGIC
-+ .long 0
-+1: jmp __start
-+
-+.equ kernel_pg_dir,_stext
-+.equ .,_stext+0x1000
-+
-+ENTRY(_start)
-+ jra __start
-+__INIT
-+ENTRY(__start)
-+/* Save the location of u-boot info - cmd line, bd_info, etc. */
-+ movel %a7,%a4 /* Don't use %a4 before cf_early_init */
-+ addl #0x00000004,%a4 /* offset past top */
-+ addl #(PAGE_OFFSET-CONFIG_SDRAM_BASE),%a4 /* high mem offset */
-+
-+/* Setup initial stack pointer */
-+ movel #CONFIG_SDRAM_BASE+0x1000,%sp
-+
-+/* Setup usp */
-+ subl %a0,%a0
-+ movel %a0,%usp
-+
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M5441X)
-+#if defined(CONFIG_SRAM)
-+ movel #(CONFIG_SRAM_BASE+0x221), %d0
-+#else
-+ movel #0x80000000, %d0
-+#endif
-+
-+#ifdef CONFIG_M5441X
-+ movec %d0, %rambar
-+#else
-+ movec %d0, %rambar1
-+#endif
-+#elif defined(CONFIG_M547X_8X)
-+ movel #MCF_MBAR, %d0
-+ movec %d0, %mbar
-+ move.l #(MCF_RAMBAR0 + 0x21), %d0
-+ movec %d0, %rambar0
-+ move.l #(MCF_RAMBAR1 + 0x21), %d0
-+ movec %d0, %rambar1
-+#endif
-+
-+ movew #0x2700,%sr
-+
-+/* reset cache */
-+ movel #(CF_CACR_ICINVA + CF_CACR_DCINVA),%d0
-+ movecl %d0,%cacr
-+
-+ movel #(MMU_BASE+1),%d0
-+ movecl %d0,%mmubar
-+ movel #MMUOR_CA,%a0 /* Clear tlb entries */
-+ movew %a0,(MMUOR)
-+ movel #(MMUOR_CA + MMUOR_ITLB),%a0 /* Use ITLB for searches */
-+ movew %a0,(MMUOR)
-+ movel #0,%a0 /* Clear Addr Space User ID */
-+ movecl %a0,%asid
-+
-+/* setup ACRs */
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X) || defined(CONFIG_M5441X)
-+ movel ACR0_DEFAULT, %d0 /* ACR0 (DATA) setup */
-+ movec %d0, %acr0
-+ nop
-+ movel ACR1_DEFAULT, %d0 /* ACR1 (DATA) setup */
-+ movec %d0, %acr1
-+ nop
-+ movel ACR2_DEFAULT, %d0 /* ACR2 (CODE) setup */
-+ movec %d0, %acr2
-+ nop
-+ movel ACR3_DEFAULT, %d0 /* ACR3 (CODE) setup */
-+ movec %d0, %acr3
-+ nop
-+#endif
-+ /* Turn on MMU */
-+ movel #(MMUCR_EN),%a0
-+ movel %a0,MMUCR
-+ nop /* This synchs the pipeline after a write to MMUCR */
-+
-+ movel #__running_high,%a0 /* Get around PC-relative addressing. */
-+ jmp %a0@
-+
-+ENTRY(__running_high)
-+ load_symbol_address _stext,%sp
-+ movel L(memory_start),%a0
-+ movel %a0,availmem
-+ load_symbol_address L(phys_kernel_start),%a0
-+ load_symbol_address _stext,%a1
-+ subl #_stext,%a1
-+ addl #PAGE_OFFSET,%a1
-+ movel %a1,%a0@
-+
-+/* zero bss */
-+ lea _sbss,%a0
-+ lea _ebss,%a1
-+ clrl %d0
-+_loop_bss:
-+ movel %d0,(%a0)+
-+ cmpl %a0,%a1
-+ bne _loop_bss
-+
-+/* create dma memory mirror TLB mapping */
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M5441X)
-+ mmu_map CONFIG_DMA_BASE, \
-+ CONFIG_SDRAM_BASE, 0, 0, \
-+ MMUTR_SG, MMUDR_SZ16M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, MMUDR_W, \
-+ 0, MMUDR_LK, %d0
-+#elif defined(CONFIG_M547X_8X)
-+ mmu_map (CONFIG_DMA_BASE + 0*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 0*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 1*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 1*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 2*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 2*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 3*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 3*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 4*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 4*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 5*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 5*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 6*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 6*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+ mmu_map (CONFIG_DMA_BASE + 7*1024*1024), \
-+ (CONFIG_SDRAM_BASE + 7*1024*1024), 0, 0, \
-+ MMUTR_SG, MMUDR_SZ1M, MMUDR_DNCP, MMUDR_SP, MMUDR_R, \
-+ MMUDR_W, 0, MMUDR_LK, %d0
-+#endif
-+
-+/* Setup initial stack pointer */
-+ lea init_task,%a2
-+ lea init_thread_union+THREAD_SIZE,%sp
-+ subl %a6,%a6 /* clear a6 for gdb */
-+
-+#ifdef CONFIG_MCF_USER_HALT
-+/* Setup debug control reg to allow halts from user space */
-+ lea wdbg_uhe,%a0
-+ wdebug (%a0)
-+#endif
-+
-+ movel %a4,uboot_info_stk /* save uboot info to variable */
-+ jsr cf_early_init
-+ jmp start_kernel
-+
-+.section ".text.head","ax"
-+set_context:
-+func_start set_context,%d0,(1*4)
-+ movel 12(%sp),%d0
-+ movec %d0,%asid
-+func_return set_context
-+
-+#ifdef CONFIG_M54455
-+/*
-+ * set_fpga(addr,val) on the M5445X
-+ *
-+ * Map in 0x00000000 -> 0x0fffffff and then do the write.
-+ */
-+set_fpga:
-+ movew %sr,%d1
-+ movew #0x2700,%sr
-+ movel ACR0_FPGA, %d0
-+ movec %d0, %acr0
-+ nop
-+ moveal 4(%sp),%a0
-+ movel 8(%sp),%a0@
-+ movel ACR0_DEFAULT, %d0
-+ movec %d0, %acr0
-+ nop
-+ movew %d1,%sr
-+ rts
-+#endif
-+
-+ .data
-+ .align 4
-+
-+availmem:
-+ .long 0
-+L(phys_kernel_start):
-+ .long PAGE_OFFSET
-+L(kernel_end):
-+ .long 0
-+L(memory_start):
-+ .long PAGE_OFFSET_RAW
-+
-+#ifdef CONFIG_MCF_USER_HALT
-+/*
-+ * Enable User Halt Enable in the debug control register.
-+ */
-+wdbg_uhe:
-+ .word 0x2c80 /* DR0 */
-+ .word 0x00b0 /* 31:16 */
-+ .word 0x0400 /* 15:0 -- enable UHE */
-+ .word 0x0000 /* unused */
-+#endif
-+
-+
---- /dev/null
-+++ b/arch/m68k/coldfire/common/ints.c
-@@ -0,0 +1,544 @@
-+/*
-+ * linux/arch/m68k/coldfire/ints.c -- General interrupt handling code
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Matt Waddel Matt.Waddel@freescale.com
-+ * Kurt Mahan kmahan@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * Based on:
-+ * linux/arch/m68k/kernel/ints.c &
-+ * linux/arch/m68knommu/5307/ints.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
-+ * for more details.
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/types.h>
-+#include <linux/init.h>
-+#include <linux/sched.h>
-+#include <linux/kernel_stat.h>
-+#include <linux/errno.h>
-+#include <linux/seq_file.h>
-+#include <linux/interrupt.h>
-+
-+#include <asm/system.h>
-+#include <asm/irq.h>
-+#include <asm/traps.h>
-+#include <asm/page.h>
-+#include <asm/machdep.h>
-+#include <asm/irq_regs.h>
-+
-+#include <asm/mcfsim.h>
-+
-+/*
-+ * IRQ Handler lists.
-+ */
-+static struct irq_node *irq_list[SYS_IRQS];
-+static struct irq_controller *irq_controller[SYS_IRQS];
-+static int irq_depth[SYS_IRQS];
-+
-+#define POOL_SIZE SYS_IRQS
-+static struct irq_node pool[POOL_SIZE];
-+static struct irq_node *get_irq_node(void);
-+
-+/* The number of spurious interrupts */
-+unsigned int num_spurious;
-+asmlinkage void handle_badint(struct pt_regs *regs);
-+
-+/*
-+ * process_int(unsigned long vec, struct pt_regs *fp)
-+ *
-+ * Process an interrupt. Called from entry.S.
-+ */
-+asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
-+{
-+ struct pt_regs *old_regs;
-+ struct irq_node *node;
-+ old_regs = set_irq_regs(fp);
-+ kstat_cpu(0).irqs[vec]++;
-+
-+ node = irq_list[vec];
-+ if (!node)
-+ handle_badint(fp);
-+ else {
-+ do {
-+ node->handler(vec, node->dev_id);
-+ node = node->next;
-+ } while (node);
-+ }
-+
-+ set_irq_regs(old_regs);
-+}
-+
-+/*
-+ * show_interrupts( struct seq_file *p, void *v)
-+ *
-+ * Called to show all the current interrupt information.
-+ */
-+int show_interrupts(struct seq_file *p, void *v)
-+{
-+ struct irq_controller *contr;
-+ struct irq_node *node;
-+ int i = *(loff_t *) v;
-+
-+ if ((i < NR_IRQS) && (irq_list[i])) {
-+ contr = irq_controller[i];
-+ node = irq_list[i];
-+ seq_printf(p, "%-8s %3u: %10u %s", contr->name, i,
-+ kstat_cpu(0).irqs[i], node->devname);
-+ while ((node = node->next))
-+ seq_printf(p, ", %s", node->devname);
-+
-+ seq_printf(p, "\n");
-+ }
-+
-+ return 0;
-+}
-+
-+/*
-+ * get_irq_node(void)
-+ *
-+ * Get an irq node from the pool.
-+ */
-+struct irq_node *get_irq_node(void)
-+{
-+ struct irq_node *p = pool;
-+ int i;
-+
-+ for (i = 0; i < POOL_SIZE; i++, p++) {
-+ if (!p->handler) {
-+ memset(p, 0, sizeof(struct irq_node));
-+ return p;
-+ }
-+ }
-+ printk(KERN_INFO "%s(%s:%d): No more irq nodes, I suggest you \
-+ increase POOL_SIZE", __func__, __FILE__, __LINE__);
-+ return NULL;
-+}
-+
-+void init_irq_proc(void)
-+{
-+ /* Insert /proc/irq driver here */
-+}
-+
-+int setup_irq(unsigned int irq, struct irq_node *node)
-+{
-+ struct irq_controller *contr;
-+ struct irq_node **prev;
-+ unsigned long flags;
-+
-+ if (irq >= NR_IRQS || !irq_controller[irq]) {
-+ printk("%s: Incorrect IRQ %d from %s\n",
-+ __func__, irq, node->devname);
-+ return -ENXIO;
-+ }
-+
-+ contr = irq_controller[irq];
-+ spin_lock_irqsave(&contr->lock, flags);
-+
-+ prev = irq_list + irq;
-+ if (*prev) {
-+ /* Can't share interrupts unless both agree to */
-+ if (!((*prev)->flags & node->flags & IRQF_SHARED)) {
-+ spin_unlock_irqrestore(&contr->lock, flags);
-+ printk(KERN_INFO "%s: -BUSY-Incorrect IRQ %d\n",
-+ __func__, irq);
-+ return -EBUSY;
-+ }
-+ while (*prev)
-+ prev = &(*prev)->next;
-+ }
-+
-+ if (!irq_list[irq]) {
-+ if (contr->startup)
-+ contr->startup(irq);
-+ else
-+ contr->enable(irq);
-+ }
-+ node->next = NULL;
-+ *prev = node;
-+
-+ spin_unlock_irqrestore(&contr->lock, flags);
-+
-+ return 0;
-+}
-+
-+int request_irq(unsigned int irq,
-+ irq_handler_t handler,
-+ unsigned long flags, const char *devname, void *dev_id)
-+{
-+ struct irq_node *node = get_irq_node();
-+ int res;
-+
-+ if (!node) {
-+ printk(KERN_INFO "%s:get_irq_node error %x\n",
-+ __func__, (unsigned int) node);
-+ return -ENOMEM;
-+ }
-+ node->handler = handler;
-+ node->flags = flags;
-+ node->dev_id = dev_id;
-+ node->devname = devname;
-+
-+ res = setup_irq(irq, node);
-+ if (res)
-+ node->handler = NULL;
-+
-+ return res;
-+}
-+EXPORT_SYMBOL(request_irq);
-+
-+void free_irq(unsigned int irq, void *dev_id)
-+{
-+ struct irq_controller *contr;
-+ struct irq_node **p, *node;
-+ unsigned long flags;
-+
-+ if (irq >= NR_IRQS || !irq_controller[irq]) {
-+ printk(KERN_DEBUG "%s: Incorrect IRQ %d\n", __func__, irq);
-+ return;
-+ }
-+
-+ contr = irq_controller[irq];
-+ spin_lock_irqsave(&contr->lock, flags);
-+
-+ p = irq_list + irq;
-+ while ((node = *p)) {
-+ if (node->dev_id == dev_id)
-+ break;
-+ p = &node->next;
-+ }
-+
-+ if (node) {
-+ *p = node->next;
-+ node->handler = NULL;
-+ } else
-+ printk(KERN_DEBUG "%s: Removing probably wrong IRQ %d\n",
-+ __func__, irq);
-+
-+ if (!irq_list[irq]) {
-+ if (contr->shutdown)
-+ contr->shutdown(irq);
-+ else
-+ contr->disable(irq);
-+ }
-+
-+ spin_unlock_irqrestore(&contr->lock, flags);
-+}
-+EXPORT_SYMBOL(free_irq);
-+
-+void enable_irq(unsigned int irq)
-+{
-+ struct irq_controller *contr;
-+ unsigned long flags;
-+
-+ if (irq >= NR_IRQS || !irq_controller[irq]) {
-+ printk(KERN_DEBUG "%s: Incorrect IRQ %d\n", __func__, irq);
-+ return;
-+ }
-+
-+ contr = irq_controller[irq];
-+ spin_lock_irqsave(&contr->lock, flags);
-+ if (irq_depth[irq]) {
-+ if (!--irq_depth[irq]) {
-+ if (contr->enable)
-+ contr->enable(irq);
-+ }
-+ } else
-+ WARN_ON(1);
-+ spin_unlock_irqrestore(&contr->lock, flags);
-+}
-+EXPORT_SYMBOL(enable_irq);
-+
-+void disable_irq(unsigned int irq)
-+{
-+ struct irq_controller *contr;
-+ unsigned long flags;
-+
-+ if (irq >= NR_IRQS || !irq_controller[irq]) {
-+ printk(KERN_DEBUG "%s: Incorrect IRQ %d\n", __func__, irq);
-+ return;
-+ }
-+
-+ contr = irq_controller[irq];
-+ spin_lock_irqsave(&contr->lock, flags);
-+ if (!irq_depth[irq]++) {
-+ if (contr->disable)
-+ contr->disable(irq);
-+ }
-+ spin_unlock_irqrestore(&contr->lock, flags);
-+}
-+EXPORT_SYMBOL(disable_irq);
-+
-+void disable_irq_nosync(unsigned int irq) __attribute__((alias("disable_irq")));
-+EXPORT_SYMBOL(disable_irq_nosync);
-+
-+
-+unsigned long probe_irq_on(void)
-+{
-+ return 0;
-+}
-+EXPORT_SYMBOL(probe_irq_on);
-+
-+int probe_irq_off(unsigned long irqs)
-+{
-+ return 0;
-+}
-+EXPORT_SYMBOL(probe_irq_off);
-+
-+asmlinkage void handle_badint(struct pt_regs *regs)
-+{
-+ kstat_cpu(0).irqs[0]++;
-+ num_spurious++;
-+ printk(KERN_DEBUG "unexpected interrupt from %u\n", regs->vector);
-+}
-+EXPORT_SYMBOL(handle_badint);
-+
-+unsigned int irq_canonicalize(unsigned int irq)
-+{
-+#ifdef CONFIG_Q40
-+ if (MACH_IS_Q40 && irq == 11)
-+ irq = 10;
-+#endif
-+ return irq;
-+}
-+EXPORT_SYMBOL(irq_canonicalize);
-+
-+#ifdef CONFIG_M5445X
-+/*
-+ * M5445X Implementation
-+ */
-+void m5445x_irq_enable(unsigned int irq)
-+{
-+ /* enable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* enable eport */
-+ MCF_EPORT_EPPAR &= ~(3 << (irq*2)); /* level */
-+ MCF_EPORT_EPDDR &= ~(1 << irq); /* input */
-+ MCF_EPORT_EPIER |= 1 << irq; /* irq enabled */
-+ }
-+
-+ if (irq < 64) {
-+ /* controller 0 */
-+ MCF_INTC0_ICR(irq) = 0x02;
-+ MCF_INTC0_CIMR = irq;
-+ } else {
-+ /* controller 1 */
-+ irq -= 64;
-+ MCF_INTC1_ICR(irq) = 0x02;
-+ MCF_INTC1_CIMR = irq;
-+ }
-+}
-+
-+void m5445x_irq_disable(unsigned int irq)
-+{
-+ /* disable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* disable eport */
-+ MCF_EPORT_EPIER &= ~(1 << irq);
-+ }
-+
-+ if (irq < 64) {
-+ /* controller 0 */
-+ MCF_INTC0_ICR(irq) = 0x00;
-+ MCF_INTC0_SIMR = irq;
-+ } else {
-+ /* controller 1 */
-+ irq -= 64;
-+ MCF_INTC1_ICR(irq) = 0x00;
-+ MCF_INTC1_SIMR = irq;
-+ }
-+}
-+#elif defined(CONFIG_M547X_8X)
-+/*
-+ * M547X_8X Implementation
-+ */
-+void m547x_8x_irq_enable(unsigned int irq)
-+{
-+ /* enable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* enable eport */
-+ MCF_EPPAR &= ~(3 << (irq*2));
-+ /* level */
-+ MCF_EPDDR &= ~(1 << irq);
-+ /* input */
-+ MCF_EPIER |= 1 << irq;
-+ /* irq enabled */
-+ }
-+
-+ if (irq < 32) {
-+ /* *grumble* don't set low bit of IMRL */
-+ MCF_IMRL &= (~(1 << irq) & 0xfffffffe);
-+ } else {
-+ MCF_IMRH &= ~(1 << (irq - 32));
-+ }
-+}
-+
-+void m547x_8x_irq_disable(unsigned int irq)
-+{
-+ /* disable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* disable eport */
-+ MCF_EPIER &= ~(1 << irq);
-+ }
-+
-+ if (irq < 32)
-+ MCF_IMRL |= (1 << irq);
-+ else
-+ MCF_IMRH |= (1 << (irq - 32));
-+}
-+
-+#elif defined(CONFIG_M5441X)
-+/*
-+ * M5441X Implementation
-+ */
-+void m5441x_irq_enable(unsigned int irq)
-+{
-+ /* enable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* enable eport */
-+ MCF_EPORT_EPPAR &= ~(3 << (irq*2)); /* level */
-+ MCF_EPORT_EPIER |= 1 << irq; /* irq enabled */
-+ }
-+
-+ if (irq < 64) {
-+ /* controller 0 */
-+ MCF_INTC0_ICR(irq) = 0x02;
-+ MCF_INTC0_CIMR = irq;
-+ } else if (irq >= 64 && irq < 128) {
-+ /* controller 1 */
-+ irq -= 64;
-+ MCF_INTC1_ICR(irq) = 0x02;
-+ MCF_INTC1_CIMR = irq;
-+ } else if (irq >= 128 && irq < 192) {
-+ /* controller 2 */
-+ irq -= 128;
-+ MCF_INTC2_ICR(irq) = 0x02;
-+ MCF_INTC2_CIMR = irq;
-+ } else {
-+ /* invalid irq number */
-+ return;
-+ }
-+}
-+
-+void m5441x_irq_disable(unsigned int irq)
-+{
-+ /* disable the interrupt hardware */
-+ if (irq < 64)
-+ return;
-+
-+ /* adjust past non-hardware ints */
-+ irq -= 64;
-+
-+ /* check for eport */
-+ if ((irq > 0) && (irq < 8)) {
-+ /* disable eport */
-+ MCF_EPORT_EPIER &= ~(1 << irq);
-+ }
-+
-+ if (irq < 64) {
-+ /* controller 0 */
-+ MCF_INTC0_ICR(irq) = 0x00;
-+ MCF_INTC0_SIMR = irq;
-+ } else if (irq >= 64 && irq < 128) {
-+ /* controller 1 */
-+ irq -= 64;
-+ MCF_INTC1_ICR(irq) = 0x00;
-+ MCF_INTC1_SIMR = irq;
-+ } else if (irq >= 128 && irq < 192) {
-+ /* controller 2 */
-+ irq -= 128;
-+ MCF_INTC2_ICR(irq) = 0x00;
-+ MCF_INTC2_SIMR = irq;
-+ }
-+}
-+#endif
-+
-+/*
-+ * IRQ Controller
-+ */
-+#if defined(CONFIG_M5445X)
-+static struct irq_controller m5445x_irq_controller = {
-+ .name = "M5445X",
-+ .lock = __SPIN_LOCK_UNLOCKED(m5445x_irq_controller.lock),
-+ .enable = m5445x_irq_enable,
-+ .disable = m5445x_irq_disable,
-+};
-+#elif defined(CONFIG_M547X_8X)
-+static struct irq_controller m547x_8x_irq_controller = {
-+ .name = "M547X_8X",
-+ .lock = __SPIN_LOCK_UNLOCKED(m547x_8x_irq_controller.lock),
-+ .enable = m547x_8x_irq_enable,
-+ .disable = m547x_8x_irq_disable,
-+};
-+#elif defined(CONFIG_M5441X)
-+static struct irq_controller m5441x_irq_controller = {
-+ .name = "M5441X",
-+ .lock = __SPIN_LOCK_UNLOCKED(m5441x_irq_controller.lock),
-+ .enable = m5441x_irq_enable,
-+ .disable = m5441x_irq_disable,
-+};
-+#else
-+# error No IRQ controller defined
-+#endif
-+
-+/*
-+ * void init_IRQ(void)
-+ *
-+ * This function should be called during kernel startup to initialize
-+ * the IRQ handling routines.
-+ */
-+void __init init_IRQ(void)
-+{
-+ int i;
-+
-+#if defined(CONFIG_M5445X)
-+ for (i = 0; i < SYS_IRQS; i++)
-+ irq_controller[i] = &m5445x_irq_controller;
-+#elif defined(CONFIG_M547X_8X)
-+ for (i = 0; i < SYS_IRQS; i++)
-+ irq_controller[i] = &m547x_8x_irq_controller;
-+#elif defined(CONFIG_M5441X)
-+ for (i = 0; i < SYS_IRQS; i++)
-+ irq_controller[i] = &m5441x_irq_controller;
-+#endif
-+}
---- /dev/null
-+++ b/arch/m68k/coldfire/common/muldi3.S
-@@ -0,0 +1,73 @@
-+/*
-+ * Coldfire muldi3 assembly verion
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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/linkage.h>
-+.globl __muldi3
-+
-+ENTRY(__muldi3)
-+ linkw %fp,#0
-+ lea %sp@(-32),%sp
-+ moveml %d2-%d7/%a2-%a3,%sp@
-+ moveal %fp@(8), %a2
-+ moveal %fp@(12), %a3
-+ moveal %fp@(16), %a0
-+ moveal %fp@(20),%a1
-+ movel %a3,%d2
-+ andil #65535,%d2
-+ movel %a3,%d3
-+ clrw %d3
-+ swap %d3
-+ movel %a1,%d0
-+ andil #65535,%d0
-+ movel %a1,%d1
-+ clrw %d1
-+ swap %d1
-+ movel %d2,%d7
-+ mulsl %d0,%d7
-+ movel %d2,%d4
-+ mulsl %d1,%d4
-+ movel %d3,%d2
-+ mulsl %d0,%d2
-+ mulsl %d1,%d3
-+ movel %d7,%d0
-+ clrw %d0
-+ swap %d0
-+ addl %d0,%d4
-+ addl %d2,%d4
-+ cmpl %d4,%d2
-+ blss 1f
-+ addil #65536,%d3
-+1:
-+ movel %d4,%d0
-+ clrw %d0
-+ swap %d0
-+ movel %d3,%d5
-+ addl %d0,%d5
-+ movew %d4,%d6
-+ swap %d6
-+ movew %d7,%d6
-+ movel %d5,%d0
-+ movel %d6,%d1
-+ movel %a3,%d2
-+ movel %a0,%d3
-+ mulsl %d3,%d2
-+ movel %a2,%d3
-+ movel %a1,%d4
-+ mulsl %d4,%d3
-+ addl %d3,%d2
-+ movel %d2,%d0
-+ addl %d5,%d0
-+ moveml %sp@, %d2-%d7/%a2-%a3
-+ lea %sp@(32),%sp
-+ unlk %fp
-+ rts
---- /dev/null
-+++ b/arch/m68k/coldfire/common/signal.c
-@@ -0,0 +1,991 @@
-+/*
-+ * linux/arch/m68k/kernel/signal.c
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Matt Waddel Matt.Waddel@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+ *
-+ * Derived from m68k/kernel/signal.c and the original authors are credited
-+ * there.
-+ */
-+
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/kernel.h>
-+#include <linux/signal.h>
-+#include <linux/syscalls.h>
-+#include <linux/errno.h>
-+#include <linux/wait.h>
-+#include <linux/ptrace.h>
-+#include <linux/unistd.h>
-+#include <linux/stddef.h>
-+#include <linux/highuid.h>
-+#include <linux/personality.h>
-+#include <linux/tty.h>
-+#include <linux/binfmts.h>
-+
-+#include <asm/setup.h>
-+#include <asm/uaccess.h>
-+#include <asm/cf_pgtable.h>
-+#include <asm/traps.h>
-+#include <asm/ucontext.h>
-+#include <asm/cacheflush.h>
-+
-+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-+
-+asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs);
-+
-+const int frame_extra_sizes[16] = {
-+ [1] = -1,
-+ [2] = -1,
-+ [3] = -1,
-+ [4] = 0,
-+ [5] = 1,
-+ [6] = 1,
-+ [7] = 2,
-+ [8] = 3,
-+ [9] = -1,
-+ [10] = -1,
-+ [11] = -1,
-+ [12] = -1,
-+ [13] = -1,
-+ [14] = -1,
-+ [15] = -1,
-+};
-+
-+/*
-+ * Atomically swap in the new signal mask, and wait for a signal.
-+ */
-+asmlinkage int do_sigsuspend(struct pt_regs *regs)
-+{
-+ old_sigset_t mask = regs->d3;
-+ sigset_t saveset;
-+
-+ mask &= _BLOCKABLE;
-+ spin_lock_irq(&current->sighand->siglock);
-+ saveset = current->blocked;
-+ siginitset(&current->blocked, mask);
-+ recalc_sigpending();
-+ spin_unlock_irq(&current->sighand->siglock);
-+
-+ regs->d0 = -EINTR;
-+ while (1) {
-+ current->state = TASK_INTERRUPTIBLE;
-+ schedule();
-+ if (do_signal(&saveset, regs))
-+ return -EINTR;
-+ }
-+}
-+
-+asmlinkage int
-+do_rt_sigsuspend(struct pt_regs *regs)
-+{
-+ sigset_t __user *unewset = (sigset_t __user *)regs->d1;
-+ size_t sigsetsize = (size_t)regs->d2;
-+ sigset_t saveset, newset;
-+
-+ /* XXX: Don't preclude handling different sized sigset_t's. */
-+ if (sigsetsize != sizeof(sigset_t))
-+ return -EINVAL;
-+
-+ if (copy_from_user(&newset, unewset, sizeof(newset)))
-+ return -EFAULT;
-+ sigdelsetmask(&newset, ~_BLOCKABLE);
-+
-+ spin_lock_irq(&current->sighand->siglock);
-+ saveset = current->blocked;
-+ current->blocked = newset;
-+ recalc_sigpending();
-+ spin_unlock_irq(&current->sighand->siglock);
-+
-+ regs->d0 = -EINTR;
-+ while (1) {
-+ current->state = TASK_INTERRUPTIBLE;
-+ schedule();
-+ if (do_signal(&saveset, regs))
-+ return -EINTR;
-+ }
-+}
-+
-+asmlinkage int
-+sys_sigaction(int sig, const struct old_sigaction __user *act,
-+ struct old_sigaction __user *oact)
-+{
-+ struct k_sigaction new_ka, old_ka;
-+ int ret;
-+
-+ if (act) {
-+ old_sigset_t mask;
-+ if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-+ __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-+ __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
-+ return -EFAULT;
-+ __get_user(new_ka.sa.sa_flags, &act->sa_flags);
-+ __get_user(mask, &act->sa_mask);
-+ siginitset(&new_ka.sa.sa_mask, mask);
-+ }
-+
-+ ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-+
-+ if (!ret && oact) {
-+ if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-+ __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-+ __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
-+ return -EFAULT;
-+ __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
-+ __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
-+ }
-+
-+ return ret;
-+}
-+
-+asmlinkage int
-+sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
-+{
-+ return do_sigaltstack(uss, uoss, rdusp());
-+}
-+
-+
-+/*
-+ * Do a signal return; undo the signal stack.
-+ *
-+ * Keep the return code on the stack quadword aligned!
-+ * That makes the cache flush below easier.
-+ */
-+
-+struct sigframe {
-+ char __user *pretcode;
-+ int sig;
-+ int code;
-+ struct sigcontext __user *psc;
-+ char retcode[8];
-+ unsigned long extramask[_NSIG_WORDS-1];
-+ struct sigcontext sc;
-+};
-+
-+struct rt_sigframe {
-+ char __user *pretcode;
-+ int sig;
-+ struct siginfo __user *pinfo;
-+ void __user *puc;
-+ char retcode[8];
-+ struct siginfo info;
-+ struct ucontext uc;
-+};
-+
-+#define FPCONTEXT_SIZE 216
-+#define uc_fpstate uc_filler[0]
-+#define uc_formatvec uc_filler[FPCONTEXT_SIZE/4]
-+#define uc_extra uc_filler[FPCONTEXT_SIZE/4+1]
-+
-+#ifdef CONFIG_FPU
-+static unsigned char fpu_version; /* version num of fpu, set by setup_frame */
-+
-+static inline int restore_fpu_state(struct sigcontext *sc)
-+{
-+ int err = 1;
-+
-+ if (FPU_IS_EMU) {
-+ /* restore registers */
-+ memcpy(current->thread.fpcntl, sc->sc_fpcntl, 12);
-+ memcpy(current->thread.fp, sc->sc_fpregs, 24);
-+ return 0;
-+ }
-+
-+ if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) {
-+ /* Verify the frame format. */
-+ if (!CPU_IS_060 && (sc->sc_fpstate[0] != fpu_version))
-+ goto out;
-+ if (CPU_IS_020_OR_030) {
-+ if (m68k_fputype & FPU_68881 &&
-+ !(sc->sc_fpstate[1] == 0x18 ||
-+ sc->sc_fpstate[1] == 0xb4))
-+ goto out;
-+ if (m68k_fputype & FPU_68882 &&
-+ !(sc->sc_fpstate[1] == 0x38 ||
-+ sc->sc_fpstate[1] == 0xd4))
-+ goto out;
-+ } else if (CPU_IS_040) {
-+ if (!(sc->sc_fpstate[1] == 0x00 ||
-+ sc->sc_fpstate[1] == 0x28 ||
-+ sc->sc_fpstate[1] == 0x60))
-+ goto out;
-+ } else if (CPU_IS_060) {
-+ if (!(sc->sc_fpstate[3] == 0x00 ||
-+ sc->sc_fpstate[3] == 0x60 ||
-+ sc->sc_fpstate[3] == 0xe0))
-+ goto out;
-+ } else if (CPU_IS_CFV4E) {
-+ pr_debug("restore v4e fpu state at %s\n", __func__);
-+ } else
-+ goto out;
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fmovem %0,%/fp0-%/fp1\n\t"
-+ QCHIP_RESTORE_DIRECTIVE
-+ : /* no outputs */
-+ : "m" (sc->sc_fpregs[0][0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpcr"
-+ : : "m" (sc->sc_fpcntl[0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpsr"
-+ : : "m" (sc->sc_fpcntl[1])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpiar"
-+ : : "m" (sc->sc_fpcntl[2])
-+ : "memory");
-+
-+#endif
-+ }
-+
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("frestore %0\n\t"
-+ QCHIP_RESTORE_DIRECTIVE : : "m" (*sc->sc_fpstate));
-+#endif
-+ err = 0;
-+
-+out:
-+ return err;
-+}
-+
-+static inline int rt_restore_fpu_state(struct ucontext __user *uc)
-+{
-+ unsigned char fpstate[FPCONTEXT_SIZE];
-+ int context_size = CPU_IS_060 ? 8 : 0;
-+ fpregset_t fpregs;
-+ int err = 1;
-+
-+ if (FPU_IS_EMU) {
-+ /* restore fpu control register */
-+ if (__copy_from_user(current->thread.fpcntl,
-+ uc->uc_mcontext.fpregs.f_fpcntl, 12))
-+ goto out;
-+ /* restore all other fpu register */
-+ if (__copy_from_user(current->thread.fp,
-+ uc->uc_mcontext.fpregs.f_fpregs, 96))
-+ goto out;
-+ return 0;
-+ }
-+
-+ if (__get_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate))
-+ goto out;
-+ if (CPU_IS_060 ? fpstate[2] : fpstate[0]) {
-+ if (!CPU_IS_060)
-+ context_size = fpstate[1];
-+ /* Verify the frame format. */
-+ if (!CPU_IS_060 && (fpstate[0] != fpu_version))
-+ goto out;
-+ if (CPU_IS_020_OR_030) {
-+ if (m68k_fputype & FPU_68881 &&
-+ !(context_size == 0x18 || context_size == 0xb4))
-+ goto out;
-+ if (m68k_fputype & FPU_68882 &&
-+ !(context_size == 0x38 || context_size == 0xd4))
-+ goto out;
-+ } else if (CPU_IS_040) {
-+ if (!(context_size == 0x00 ||
-+ context_size == 0x28 ||
-+ context_size == 0x60))
-+ goto out;
-+ } else if (CPU_IS_060) {
-+ if (!(fpstate[3] == 0x00 ||
-+ fpstate[3] == 0x60 ||
-+ fpstate[3] == 0xe0))
-+ goto out;
-+ } else if (CPU_IS_CFV4E) {
-+ pr_debug("restore coldfire rt v4e fpu"
-+ " state at %s\n", __func__);
-+ } else
-+ goto out;
-+ if (__copy_from_user(&fpregs, &uc->uc_mcontext.fpregs,
-+ sizeof(fpregs)))
-+ goto out;
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fmovem %0,%/fp0-%/fp7\n\t"
-+ QCHIP_RESTORE_DIRECTIVE
-+ : /* no outputs */
-+ : "m" (fpregs.f_fpregs[0][0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpcr"
-+ : : "m" (fpregs.f_fpcntl[0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpsr"
-+ : : "m" (fpregs.f_fpcntl[1])
-+ : "memory");
-+ __asm__ volatile ("fmovel %0,%/fpiar"
-+ : : "m" (fpregs.f_fpcntl[2])
-+ : "memory");
-+#endif
-+ }
-+ if (context_size &&
-+ __copy_from_user(fpstate + 4, (long __user *)&uc->uc_fpstate + 1,
-+ context_size))
-+ goto out;
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("frestore %0\n\t"
-+ QCHIP_RESTORE_DIRECTIVE : : "m" (*fpstate));
-+#endif
-+ err = 0;
-+
-+out:
-+ return err;
-+}
-+#endif
-+
-+static inline int
-+restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc,
-+ void __user *fp, int *pd0)
-+{
-+ int fsize, formatvec;
-+ struct sigcontext context;
-+ int err = 0;
-+
-+ /* get previous context */
-+ if (copy_from_user(&context, usc, sizeof(context)))
-+ goto badframe;
-+
-+ /* restore passed registers */
-+ regs->d1 = context.sc_d1;
-+ regs->a0 = context.sc_a0;
-+ regs->a1 = context.sc_a1;
-+ regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff);
-+ regs->pc = context.sc_pc;
-+ regs->orig_d0 = -1; /* disable syscall checks */
-+ wrusp(context.sc_usp);
-+ formatvec = context.sc_formatvec;
-+ regs->format = formatvec >> 12;
-+ regs->vector = formatvec & 0xfff;
-+
-+#ifdef CONFIG_FPU
-+ err = restore_fpu_state(&context);
-+#endif
-+
-+ fsize = frame_extra_sizes[regs->format];
-+ if (fsize < 0) {
-+ /*
-+ * user process trying to return with weird frame format
-+ */
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "user process returning with weird \
-+ frame format\n");
-+#endif
-+ goto badframe;
-+ }
-+
-+ /* OK. Make room on the supervisor stack for the extra junk,
-+ * if necessary.
-+ */
-+
-+ {
-+ struct switch_stack *sw = (struct switch_stack *)regs - 1;
-+ regs->d0 = context.sc_d0;
-+#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack))
-+ __asm__ __volatile__
-+ (" movel %0,%/sp\n\t"
-+ " bra ret_from_signal\n"
-+ "4:\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 2b,4b\n"
-+ ".previous"
-+ : /* no outputs, it doesn't ever return */
-+ : "a" (sw), "d" (fsize), "d" (frame_offset/4-1),
-+ "n" (frame_offset), "a" (fp)
-+ : "a0");
-+#undef frame_offset
-+ /*
-+ * If we ever get here an exception occurred while
-+ * building the above stack-frame.
-+ */
-+ goto badframe;
-+ }
-+
-+ *pd0 = context.sc_d0;
-+ return err;
-+
-+badframe:
-+ return 1;
-+}
-+
-+static inline int
-+rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw,
-+ struct ucontext __user *uc, int *pd0)
-+{
-+ int fsize, temp;
-+ greg_t __user *gregs = uc->uc_mcontext.gregs;
-+ unsigned long usp;
-+ int err;
-+
-+ err = __get_user(temp, &uc->uc_mcontext.version);
-+ if (temp != MCONTEXT_VERSION)
-+ goto badframe;
-+ /* restore passed registers */
-+ err |= __get_user(regs->d0, &gregs[0]);
-+ err |= __get_user(regs->d1, &gregs[1]);
-+ err |= __get_user(regs->d2, &gregs[2]);
-+ err |= __get_user(regs->d3, &gregs[3]);
-+ err |= __get_user(regs->d4, &gregs[4]);
-+ err |= __get_user(regs->d5, &gregs[5]);
-+ err |= __get_user(sw->d6, &gregs[6]);
-+ err |= __get_user(sw->d7, &gregs[7]);
-+ err |= __get_user(regs->a0, &gregs[8]);
-+ err |= __get_user(regs->a1, &gregs[9]);
-+ err |= __get_user(regs->a2, &gregs[10]);
-+ err |= __get_user(sw->a3, &gregs[11]);
-+ err |= __get_user(sw->a4, &gregs[12]);
-+ err |= __get_user(sw->a5, &gregs[13]);
-+ err |= __get_user(sw->a6, &gregs[14]);
-+ err |= __get_user(usp, &gregs[15]);
-+ wrusp(usp);
-+ err |= __get_user(regs->pc, &gregs[16]);
-+ err |= __get_user(temp, &gregs[17]);
-+ regs->sr = (regs->sr & 0xff00) | (temp & 0xff);
-+ regs->orig_d0 = -1; /* disable syscall checks */
-+ err |= __get_user(temp, &uc->uc_formatvec);
-+ regs->format = temp >> 12;
-+ regs->vector = temp & 0xfff;
-+
-+#ifdef CONFIG_FPU
-+ err |= rt_restore_fpu_state(uc);
-+#endif
-+
-+ if (do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT)
-+ goto badframe;
-+
-+ fsize = frame_extra_sizes[regs->format];
-+ if (fsize < 0) {
-+ /*
-+ * user process trying to return with weird frame format
-+ */
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "user process returning with weird \
-+ frame format\n");
-+#endif
-+ goto badframe;
-+ }
-+
-+ /* OK. Make room on the supervisor stack for the extra junk,
-+ * if necessary.
-+ */
-+
-+ {
-+#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack))
-+ __asm__ __volatile__
-+ (" movel %0,%/sp\n\t"
-+ " bra ret_from_signal\n"
-+ "4:\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 2b,4b\n"
-+ ".previous"
-+ : /* no outputs, it doesn't ever return */
-+ : "a" (sw), "d" (fsize), "d" (frame_offset/4-1),
-+ "n" (frame_offset), "a" (&uc->uc_extra)
-+ : "a0");
-+#undef frame_offset
-+ /*
-+ * If we ever get here an exception occurred while
-+ * building the above stack-frame.
-+ */
-+ goto badframe;
-+ }
-+
-+ *pd0 = regs->d0;
-+ return err;
-+
-+badframe:
-+ return 1;
-+}
-+
-+asmlinkage int do_sigreturn(unsigned long __unused)
-+{
-+ struct switch_stack *sw = (struct switch_stack *) &__unused;
-+ struct pt_regs *regs = (struct pt_regs *) (sw + 1);
-+ unsigned long usp = rdusp();
-+ struct sigframe __user *frame = (struct sigframe __user *)(usp - 4);
-+ sigset_t set;
-+ int d0;
-+
-+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
-+ goto badframe;
-+ if (__get_user(set.sig[0], &frame->sc.sc_mask) ||
-+ (_NSIG_WORDS > 1 &&
-+ __copy_from_user(&set.sig[1], &frame->extramask,
-+ sizeof(frame->extramask))))
-+ goto badframe;
-+
-+ sigdelsetmask(&set, ~_BLOCKABLE);
-+ spin_lock_irq(&current->sighand->siglock);
-+ current->blocked = set;
-+ recalc_sigpending();
-+ spin_unlock_irq(&current->sighand->siglock);
-+
-+ if (restore_sigcontext(regs, &frame->sc, frame + 1, &d0))
-+ goto badframe;
-+ return d0;
-+
-+badframe:
-+ force_sig(SIGSEGV, current);
-+ return 0;
-+}
-+
-+asmlinkage int do_rt_sigreturn(unsigned long __unused)
-+{
-+ struct switch_stack *sw = (struct switch_stack *) &__unused;
-+ struct pt_regs *regs = (struct pt_regs *) (sw + 1);
-+ unsigned long usp = rdusp();
-+ struct rt_sigframe __user *frame =
-+ (struct rt_sigframe __user *)(usp - 4);
-+ sigset_t set;
-+ int d0;
-+
-+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
-+ goto badframe;
-+ if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
-+ goto badframe;
-+
-+ sigdelsetmask(&set, ~_BLOCKABLE);
-+ spin_lock_irq(&current->sighand->siglock);
-+ current->blocked = set;
-+ recalc_sigpending();
-+ spin_unlock_irq(&current->sighand->siglock);
-+
-+ if (rt_restore_ucontext(regs, sw, &frame->uc, &d0))
-+ goto badframe;
-+ return d0;
-+
-+badframe:
-+ force_sig(SIGSEGV, current);
-+ return 0;
-+}
-+
-+#ifdef CONFIG_FPU
-+/*
-+ * Set up a signal frame.
-+ */
-+
-+static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs)
-+{
-+ if (FPU_IS_EMU) {
-+ /* save registers */
-+ memcpy(sc->sc_fpcntl, current->thread.fpcntl, 12);
-+ memcpy(sc->sc_fpregs, current->thread.fp, 24);
-+ return;
-+ }
-+
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fsave %0\n\t"
-+ QCHIP_RESTORE_DIRECTIVE
-+ : : "m" (*sc->sc_fpstate) : "memory");
-+#endif
-+
-+ if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) {
-+ fpu_version = sc->sc_fpstate[0];
-+ if (CPU_IS_020_OR_030 &&
-+ regs->vector >= (VEC_FPBRUC * 4) &&
-+ regs->vector <= (VEC_FPNAN * 4)) {
-+ /* Clear pending exception in 68882 idle frame */
-+ if (*(unsigned short *) sc->sc_fpstate == 0x1f38)
-+ sc->sc_fpstate[0x38] |= 1 << 3;
-+ }
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fmovemd %/fp0-%/fp1,%0"
-+ : : "m" (sc->sc_fpregs[0][0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpcr,%0"
-+ : : "m" (sc->sc_fpcntl[0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpsr,%0"
-+ : : "m" (sc->sc_fpcntl[1])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpiar,%0"
-+ : : "m" (sc->sc_fpcntl[2])
-+ : "memory");
-+
-+#endif
-+ }
-+}
-+
-+static inline int rt_save_fpu_state(struct ucontext __user *uc,
-+ struct pt_regs *regs)
-+{
-+ unsigned char fpstate[FPCONTEXT_SIZE];
-+ int context_size = CPU_IS_060 ? 8 : 0;
-+ int err = 0;
-+
-+ if (FPU_IS_EMU) {
-+ /* save fpu control register */
-+ err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpcntl,
-+ current->thread.fpcntl, 12);
-+ /* save all other fpu register */
-+ err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpregs,
-+ current->thread.fp, 96);
-+ return err;
-+ }
-+
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fsave %0\n\t"
-+ QCHIP_RESTORE_DIRECTIVE
-+ : : "m" (*fpstate) : "memory");
-+#endif
-+ err |= __put_user(*(long *)fpstate, (long *)&uc->uc_fpstate);
-+ if (CPU_IS_060 ? fpstate[2] : fpstate[0]) {
-+ fpregset_t fpregs;
-+ if (!CPU_IS_060)
-+ context_size = fpstate[1];
-+ fpu_version = fpstate[0];
-+#ifdef CONFIG_CFV4E
-+ __asm__ volatile ("fmovemd %/fp0-%/fp7,%0"
-+ : : "m" (fpregs.f_fpregs[0][0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpcr,%0"
-+ : : "m" (fpregs.f_fpcntl[0])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpsr,%0"
-+ : : "m" (fpregs.f_fpcntl[1])
-+ : "memory");
-+ __asm__ volatile ("fmovel %/fpiar,%0"
-+ : : "m" (fpregs.f_fpcntl[2])
-+ : "memory");
-+#endif
-+ err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs,
-+ sizeof(fpregs));
-+ }
-+ if (context_size)
-+ err |= copy_to_user((long *)&uc->uc_fpstate + 1, fpstate + 4,
-+ context_size);
-+ return err;
-+
-+
-+ return err;
-+}
-+#endif
-+
-+static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs,
-+ unsigned long mask)
-+{
-+ sc->sc_mask = mask;
-+ sc->sc_usp = rdusp();
-+ sc->sc_d0 = regs->d0;
-+ sc->sc_d1 = regs->d1;
-+ sc->sc_a0 = regs->a0;
-+ sc->sc_a1 = regs->a1;
-+ sc->sc_sr = regs->sr;
-+ sc->sc_pc = regs->pc;
-+ sc->sc_formatvec = regs->format << 12 | regs->vector;
-+#ifdef CONFIG_FPU
-+ save_fpu_state(sc, regs);
-+#endif
-+}
-+
-+static inline int rt_setup_ucontext(struct ucontext __user *uc,
-+ struct pt_regs *regs)
-+{
-+ struct switch_stack *sw = (struct switch_stack *)regs - 1;
-+ greg_t __user *gregs = uc->uc_mcontext.gregs;
-+ int err = 0;
-+
-+ err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version);
-+ err |= __put_user(regs->d0, &gregs[0]);
-+ err |= __put_user(regs->d1, &gregs[1]);
-+ err |= __put_user(regs->d2, &gregs[2]);
-+ err |= __put_user(regs->d3, &gregs[3]);
-+ err |= __put_user(regs->d4, &gregs[4]);
-+ err |= __put_user(regs->d5, &gregs[5]);
-+ err |= __put_user(sw->d6, &gregs[6]);
-+ err |= __put_user(sw->d7, &gregs[7]);
-+ err |= __put_user(regs->a0, &gregs[8]);
-+ err |= __put_user(regs->a1, &gregs[9]);
-+ err |= __put_user(regs->a2, &gregs[10]);
-+ err |= __put_user(sw->a3, &gregs[11]);
-+ err |= __put_user(sw->a4, &gregs[12]);
-+ err |= __put_user(sw->a5, &gregs[13]);
-+ err |= __put_user(sw->a6, &gregs[14]);
-+ err |= __put_user(rdusp(), &gregs[15]);
-+ err |= __put_user(regs->pc, &gregs[16]);
-+ err |= __put_user(regs->sr, &gregs[17]);
-+ err |= __put_user((regs->format << 12) | regs->vector,
-+ &uc->uc_formatvec);
-+#ifdef CONFIG_FPU
-+ err |= rt_save_fpu_state(uc, regs);
-+#endif
-+ return err;
-+}
-+
-+static inline void push_cache(unsigned long vaddr)
-+{
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M5441X)
-+ pgd_t *pdir;
-+ pmd_t *pmdp;
-+ pte_t *ptep;
-+ unsigned long paddr;
-+
-+ pdir = pgd_offset(current->mm, vaddr);
-+ pmdp = pmd_offset(pdir, vaddr);
-+ ptep = pte_offset_map(pmdp, vaddr);
-+ paddr = ((pte_val(*ptep) & PAGE_MASK) | (vaddr & ~PAGE_MASK));
-+ cf_icache_flush_range(paddr, paddr + 8);
-+#elif defined(CONFIG_M547X_8X)
-+ flush_icache_range(vaddr, vaddr + 8);
-+#endif
-+}
-+
-+static inline void __user *
-+get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size)
-+{
-+ unsigned long usp;
-+
-+ /* Default to using normal stack. */
-+ usp = rdusp();
-+
-+ /* This is the X/Open sanctioned signal stack switching. */
-+ if (ka->sa.sa_flags & SA_ONSTACK) {
-+ if (!sas_ss_flags(usp))
-+ usp = current->sas_ss_sp + current->sas_ss_size;
-+ }
-+ return (void __user *)((usp - frame_size) & -8UL);
-+}
-+
-+static void setup_frame(int sig, struct k_sigaction *ka,
-+ sigset_t *set, struct pt_regs *regs)
-+{
-+ struct sigframe __user *frame;
-+ int fsize = frame_extra_sizes[regs->format];
-+ struct sigcontext context;
-+ int err = 0;
-+
-+ if (fsize < 0) {
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "setup_frame: Unknown frame format %#x\n",
-+ regs->format);
-+#endif
-+ goto give_sigsegv;
-+ }
-+
-+ frame = get_sigframe(ka, regs, sizeof(*frame));
-+
-+ err |= __put_user((current_thread_info()->exec_domain
-+ && current_thread_info()->exec_domain->signal_invmap
-+ && sig < 32
-+ ? current_thread_info()->exec_domain->signal_invmap[sig]
-+ : sig),
-+ &frame->sig);
-+
-+ err |= __put_user(regs->vector, &frame->code);
-+ err |= __put_user(&frame->sc, &frame->psc);
-+
-+ if (_NSIG_WORDS > 1)
-+ err |= copy_to_user(frame->extramask, &set->sig[1],
-+ sizeof(frame->extramask));
-+
-+ setup_sigcontext(&context, regs, set->sig[0]);
-+ err |= copy_to_user(&frame->sc, &context, sizeof(context));
-+
-+ /* Set up to return from userspace. */
-+ err |= __put_user(frame->retcode, &frame->pretcode);
-+ /* moveq #,d0; trap #0 */
-+ err |= __put_user(0x70004e40 + (__NR_sigreturn << 16),
-+ (long __user *)(frame->retcode));
-+
-+ if (err)
-+ goto give_sigsegv;
-+
-+ push_cache((unsigned long) &frame->retcode);
-+
-+ /* Set up registers for signal handler */
-+ wrusp((unsigned long) frame);
-+ regs->pc = (unsigned long) ka->sa.sa_handler;
-+
-+adjust_stack:
-+ /* Prepare to skip over the extra stuff in the exception frame. */
-+ if (regs->stkadj) {
-+ struct pt_regs *tregs =
-+ (struct pt_regs *)((ulong)regs + regs->stkadj);
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "Performing stackadjust=%04x\n",
-+ regs->stkadj);
-+#endif
-+ /* This must be copied with decreasing addresses to
-+ handle overlaps. */
-+ tregs->vector = 0;
-+ tregs->format = 0;
-+ tregs->pc = regs->pc;
-+ tregs->sr = regs->sr;
-+ }
-+ return;
-+
-+give_sigsegv:
-+ force_sigsegv(sig, current);
-+ goto adjust_stack;
-+}
-+
-+static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
-+ sigset_t *set, struct pt_regs *regs)
-+{
-+ struct rt_sigframe __user *frame;
-+ int fsize = frame_extra_sizes[regs->format];
-+ int err = 0;
-+
-+ if (fsize < 0) {
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "setup_frame: Unknown frame format %#x\n",
-+ regs->format);
-+#endif
-+ goto give_sigsegv;
-+ }
-+
-+ frame = get_sigframe(ka, regs, sizeof(*frame));
-+
-+ if (fsize) {
-+ err |= copy_to_user(&frame->uc.uc_extra, regs + 1, fsize);
-+ regs->stkadj = fsize;
-+ }
-+
-+ err |= __put_user((current_thread_info()->exec_domain
-+ && current_thread_info()->exec_domain->signal_invmap
-+ && sig < 32
-+ ? current_thread_info()->exec_domain->signal_invmap[sig]
-+ : sig),
-+ &frame->sig);
-+ err |= __put_user(&frame->info, &frame->pinfo);
-+ err |= __put_user(&frame->uc, &frame->puc);
-+ err |= copy_siginfo_to_user(&frame->info, info);
-+
-+ /* Create the ucontext. */
-+ err |= __put_user(0, &frame->uc.uc_flags);
-+ err |= __put_user(NULL, &frame->uc.uc_link);
-+ err |= __put_user((void __user *)current->sas_ss_sp,
-+ &frame->uc.uc_stack.ss_sp);
-+ err |= __put_user(sas_ss_flags(rdusp()),
-+ &frame->uc.uc_stack.ss_flags);
-+ err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
-+ err |= rt_setup_ucontext(&frame->uc, regs);
-+ err |= copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
-+
-+ /* Set up to return from userspace. */
-+ err |= __put_user(frame->retcode, &frame->pretcode);
-+
-+ /* movel #__NR_rt_sigreturn(0xAD),d0; trap #0 */
-+ err |= __put_user(0x203c0000, (long *)(frame->retcode + 0));
-+ err |= __put_user(0x00ad4e40, (long *)(frame->retcode + 4));
-+
-+ if (err)
-+ goto give_sigsegv;
-+
-+ push_cache((unsigned long) &frame->retcode);
-+
-+ /* Set up registers for signal handler */
-+ wrusp((unsigned long) frame);
-+ regs->pc = (unsigned long) ka->sa.sa_handler;
-+
-+adjust_stack:
-+ /* Prepare to skip over the extra stuff in the exception frame. */
-+ if (regs->stkadj) {
-+ struct pt_regs *tregs =
-+ (struct pt_regs *)((ulong)regs + regs->stkadj);
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "Performing stackadjust=%04x\n",
-+ regs->stkadj);
-+#endif
-+ /* This must be copied with decreasing addresses to
-+ handle overlaps. */
-+ tregs->vector = 0;
-+ tregs->format = 0;
-+ tregs->pc = regs->pc;
-+ tregs->sr = regs->sr;
-+ }
-+ return;
-+
-+give_sigsegv:
-+ force_sigsegv(sig, current);
-+ goto adjust_stack;
-+}
-+
-+static inline void
-+handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
-+{
-+ switch (regs->d0) {
-+ case -ERESTARTNOHAND:
-+ if (!has_handler)
-+ goto do_restart;
-+ regs->d0 = -EINTR;
-+ break;
-+
-+ case -ERESTARTSYS:
-+ if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) {
-+ regs->d0 = -EINTR;
-+ break;
-+ }
-+ /* fallthrough */
-+ case -ERESTARTNOINTR:
-+do_restart:
-+ regs->d0 = regs->orig_d0;
-+ regs->pc -= 2;
-+ break;
-+ }
-+}
-+
-+/*
-+ * OK, we're invoking a handler
-+ */
-+static void
-+handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,
-+ sigset_t *oldset, struct pt_regs *regs)
-+{
-+ /* are we from a system call? */
-+ if (regs->orig_d0 >= 0)
-+ /* If so, check system call restarting.. */
-+ handle_restart(regs, ka, 1);
-+
-+ /* set up the stack frame */
-+ if (ka->sa.sa_flags & SA_SIGINFO)
-+ setup_rt_frame(sig, ka, info, oldset, regs);
-+ else
-+ setup_frame(sig, ka, oldset, regs);
-+
-+ if (ka->sa.sa_flags & SA_ONESHOT)
-+ ka->sa.sa_handler = SIG_DFL;
-+
-+ spin_lock_irq(&current->sighand->siglock);
-+ sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
-+ if (!(ka->sa.sa_flags & SA_NODEFER))
-+ sigaddset(&current->blocked, sig);
-+ recalc_sigpending();
-+ spin_unlock_irq(&current->sighand->siglock);
-+}
-+
-+/*
-+ * Note that 'init' is a special process: it doesn't get signals it doesn't
-+ * want to handle. Thus you cannot kill init even with a SIGKILL even by
-+ * mistake.
-+ */
-+asmlinkage int do_signal(sigset_t *oldset, struct pt_regs *regs)
-+{
-+ siginfo_t info;
-+ struct k_sigaction ka;
-+ int signr;
-+
-+ current->thread.esp0 = (unsigned long) regs;
-+
-+ if (!oldset)
-+ oldset = &current->blocked;
-+
-+ signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-+ if (signr > 0) {
-+ /* Whee! Actually deliver the signal. */
-+ handle_signal(signr, &ka, &info, oldset, regs);
-+ return 1;
-+ }
-+
-+ /* Did we come from a system call? */
-+ if (regs->orig_d0 >= 0)
-+ /* Restart the system call - no handlers present */
-+ handle_restart(regs, NULL, 0);
-+
-+ return 0;
-+}
---- /dev/null
-+++ b/arch/m68k/coldfire/common/traps.c
-@@ -0,0 +1,457 @@
-+/*
-+ * linux/arch/m68knommu/kernel/traps.c
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+ */
-+
-+/*
-+ * Sets up all exception vectors
-+ */
-+#include <linux/sched.h>
-+#include <linux/signal.h>
-+#include <linux/kernel.h>
-+#include <linux/mm.h>
-+#include <linux/module.h>
-+#include <linux/types.h>
-+#include <linux/a.out.h>
-+#include <linux/user.h>
-+#include <linux/string.h>
-+#include <linux/linkage.h>
-+#include <linux/init.h>
-+#include <linux/ptrace.h>
-+#include <linux/kallsyms.h>
-+
-+#include <asm/setup.h>
-+#include <asm/fpu.h>
-+#include <asm/system.h>
-+#include <asm/uaccess.h>
-+#include <asm/traps.h>
-+#include <asm/pgtable.h>
-+#include <asm/machdep.h>
-+#include <asm/siginfo.h>
-+
-+static char const * const vec_names[] = {
-+ "RESET SP", "RESET PC", "BUS ERROR", "ADDRESS ERROR",
-+ "ILLEGAL INSTRUCTION", "ZERO DIVIDE", "CHK", "TRAPcc",
-+ "PRIVILEGE VIOLATION", "TRACE", "LINE 1010", "LINE 1111",
-+ "UNASSIGNED RESERVED 12", "COPROCESSOR PROTOCOL VIOLATION",
-+ "FORMAT ERROR", "UNINITIALIZED INTERRUPT",
-+ "UNASSIGNED RESERVED 16", "UNASSIGNED RESERVED 17",
-+ "UNASSIGNED RESERVED 18", "UNASSIGNED RESERVED 19",
-+ "UNASSIGNED RESERVED 20", "UNASSIGNED RESERVED 21",
-+ "UNASSIGNED RESERVED 22", "UNASSIGNED RESERVED 23",
-+ "SPURIOUS INTERRUPT", "LEVEL 1 INT", "LEVEL 2 INT", "LEVEL 3 INT",
-+ "LEVEL 4 INT", "LEVEL 5 INT", "LEVEL 6 INT", "LEVEL 7 INT",
-+ "SYSCALL", "TRAP #1", "TRAP #2", "TRAP #3",
-+ "TRAP #4", "TRAP #5", "TRAP #6", "TRAP #7",
-+ "TRAP #8", "TRAP #9", "TRAP #10", "TRAP #11",
-+ "TRAP #12", "TRAP #13", "TRAP #14", "TRAP #15",
-+ "FPCP BSUN", "FPCP INEXACT", "FPCP DIV BY 0", "FPCP UNDERFLOW",
-+ "FPCP OPERAND ERROR", "FPCP OVERFLOW", "FPCP SNAN",
-+ "FPCP UNSUPPORTED OPERATION",
-+ "MMU CONFIGURATION ERROR"
-+};
-+
-+asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
-+ unsigned long error_code);
-+asmlinkage void trap_c(struct frame *fp);
-+extern void __init coldfire_trap_init(void);
-+
-+void __init trap_init(void)
-+{
-+ coldfire_trap_init();
-+}
-+
-+/* The following table converts the FS encoding of a ColdFire
-+ exception stack frame into the error_code value needed by
-+ do_fault. */
-+
-+static const unsigned char fs_err_code[] = {
-+ 0, /* 0000 */
-+ 0, /* 0001 */
-+ 0, /* 0010 */
-+ 0, /* 0011 */
-+ 1, /* 0100 */
-+ 0, /* 0101 */
-+ 0, /* 0110 */
-+ 0, /* 0111 */
-+ 2, /* 1000 */
-+ 3, /* 1001 */
-+ 2, /* 1010 */
-+ 0, /* 1011 */
-+ 1, /* 1100 */
-+ 1, /* 1101 */
-+ 0, /* 1110 */
-+ 0 /* 1111 */
-+};
-+
-+#ifdef DEBUG
-+static const char *fs_err_msg[16] = {
-+ "Normal",
-+ "Reserved",
-+ "Interrupt during debug service routine",
-+ "Reserved",
-+ "X Protection",
-+ "TLB X miss (opword)",
-+ "TLB X miss (ext. word)",
-+ "IFP in emulator mode",
-+ "W Protection",
-+ "Write error",
-+ "TLB W miss",
-+ "Reserved",
-+ "R Protection",
-+ "R/RMW Protection",
-+ "TLB R miss",
-+ "OEP in emulator mode",
-+};
-+#endif
-+
-+static inline void access_errorCF(struct frame *fp)
-+{
-+ unsigned long int mmusr, complainingAddress;
-+ unsigned int err_code, fs;
-+ int need_page_fault;
-+
-+ mmusr = fp->ptregs.mmusr;
-+ complainingAddress = fp->ptregs.mmuar;
-+#ifdef DEBUG
-+ printk(KERN_DEBUG "pc %#lx, mmusr %#lx, complainingAddress %#lx\n", \
-+ fp->ptregs.pc, mmusr, complainingAddress);
-+#endif
-+
-+ /*
-+ * error_code:
-+ * bit 0 == 0 means no page found, 1 means protection fault
-+ * bit 1 == 0 means read, 1 means write
-+ */
-+
-+ fs = (fp->ptregs.fs2 << 2) | fp->ptregs.fs1;
-+ switch (fs) {
-+ case 5: /* 0101 TLB opword X miss */
-+ need_page_fault = cf_tlb_miss(&fp->ptregs, 0, 0, 0);
-+ complainingAddress = fp->ptregs.pc;
-+ break;
-+ case 6: /* 0110 TLB extension word X miss */
-+ need_page_fault = cf_tlb_miss(&fp->ptregs, 0, 0, 1);
-+ complainingAddress = fp->ptregs.pc + sizeof(long);
-+ break;
-+ case 10: /* 1010 TLB W miss */
-+ need_page_fault = cf_tlb_miss(&fp->ptregs, 1, 1, 0);
-+ break;
-+ case 14: /* 1110 TLB R miss */
-+ need_page_fault = cf_tlb_miss(&fp->ptregs, 0, 1, 0);
-+ break;
-+ default:
-+ /* 0000 Normal */
-+ /* 0001 Reserved */
-+ /* 0010 Interrupt during debug service routine */
-+ /* 0011 Reserved */
-+ /* 0100 X Protection */
-+ /* 0111 IFP in emulator mode */
-+ /* 1000 W Protection*/
-+ /* 1001 Write error*/
-+ /* 1011 Reserved*/
-+ /* 1100 R Protection*/
-+ /* 1101 R Protection*/
-+ /* 1111 OEP in emulator mode*/
-+ need_page_fault = 1;
-+ break;
-+ }
-+
-+ if (need_page_fault) {
-+ err_code = fs_err_code[fs];
-+ if ((fs == 13) && (mmusr & MMUSR_WF)) /* rd-mod-wr access */
-+ err_code |= 2; /* bit1 - write, bit0 - protection */
-+ do_page_fault(&fp->ptregs, complainingAddress, err_code);
-+ }
-+}
-+
-+void die_if_kernel(char *str, struct pt_regs *fp, int nr)
-+{
-+ if (!(fp->sr & PS_S))
-+ return;
-+
-+ console_verbose();
-+ printk(KERN_EMERG "%s: %08x\n", str, nr);
-+ printk(KERN_EMERG "PC: [<%08lx>]", fp->pc);
-+ print_symbol(" %s", fp->pc);
-+ printk(KERN_EMERG "\nSR: %04x SP: %p a2: %08lx\n",
-+ fp->sr, fp, fp->a2);
-+ printk(KERN_EMERG "d0: %08lx d1: %08lx d2: %08lx d3: %08lx\n",
-+ fp->d0, fp->d1, fp->d2, fp->d3);
-+ printk(KERN_EMERG "d4: %08lx d5: %08lx a0: %08lx a1: %08lx\n",
-+ fp->d4, fp->d5, fp->a0, fp->a1);
-+
-+ printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n",
-+ current->comm, current->pid, PAGE_SIZE+(unsigned long)current);
-+ show_stack(NULL, (unsigned long *)fp);
-+ do_exit(SIGSEGV);
-+}
-+
-+asmlinkage void buserr_c(struct frame *fp)
-+{
-+ unsigned int fs;
-+
-+ /* Only set esp0 if coming from user mode */
-+ if (user_mode(&fp->ptregs))
-+ current->thread.esp0 = (unsigned long) fp;
-+
-+ fs = (fp->ptregs.fs2 << 2) | fp->ptregs.fs1;
-+#if defined(DEBUG)
-+ printk(KERN_DEBUG "*** Bus Error *** (%x)%s\n", fs,
-+ fs_err_msg[fs & 0xf]);
-+#endif
-+ switch (fs) {
-+ case 0x5:
-+ case 0x6:
-+ case 0x7:
-+ case 0x9:
-+ case 0xa:
-+ case 0xd:
-+ case 0xe:
-+ case 0xf:
-+ access_errorCF(fp);
-+ break;
-+ default:
-+ die_if_kernel("bad frame format", &fp->ptregs, 0);
-+#if defined(DEBUG)
-+ printk(KERN_DEBUG "Unknown SIGSEGV - 4\n");
-+#endif
-+ force_sig(SIGSEGV, current);
-+ }
-+}
-+
-+void show_trace(unsigned long *stack)
-+{
-+ unsigned long *endstack;
-+ unsigned long addr;
-+ int i;
-+
-+ printk(KERN_INFO "Call Trace:");
-+ addr = (unsigned long)stack + THREAD_SIZE - 1;
-+ endstack = (unsigned long *)(addr & -THREAD_SIZE);
-+ i = 0;
-+ while (stack + 1 <= endstack) {
-+ addr = *stack++;
-+ /*
-+ * If the address is either in the text segment of the
-+ * kernel, or in the region which contains vmalloc'ed
-+ * memory, it *may* be the address of a calling
-+ * routine; if so, print it so that someone tracing
-+ * down the cause of the crash will be able to figure
-+ * out the call path that was taken.
-+ */
-+ if (__kernel_text_address(addr)) {
-+#ifndef CONFIG_KALLSYMS
-+ if (i % 5 == 0)
-+ printk("\n ");
-+#endif
-+ printk(" [<%08lx>] %pS\n", addr, (void *)addr);
-+ i++;
-+ }
-+ }
-+ printk(KERN_INFO "\n");
-+}
-+
-+int kstack_depth_to_print = 48;
-+void show_stack(struct task_struct *task, unsigned long *stack)
-+{
-+ unsigned long *p;
-+ unsigned long *endstack;
-+ int i;
-+
-+ if (!stack) {
-+ if (task)
-+ stack = (unsigned long *)task->thread.esp0;
-+ else
-+ stack = (unsigned long *)&stack;
-+ }
-+ endstack = (unsigned long *)(((unsigned long)stack + THREAD_SIZE - 1)
-+ & -THREAD_SIZE);
-+
-+ printk(KERN_INFO "Stack from %08lx:", (unsigned long)stack);
-+ p = stack;
-+ for (i = 0; i < kstack_depth_to_print; i++) {
-+ if (p + 1 > endstack)
-+ break;
-+ if (i % 8 == 0)
-+ printk("\n ");
-+ printk(" %08lx", *p++);
-+ }
-+ printk("\n");
-+ show_trace(stack);
-+}
-+
-+void bad_super_trap(struct frame *fp)
-+{
-+ console_verbose();
-+ if (fp->ptregs.vector < sizeof(vec_names)/sizeof(vec_names[0]))
-+ printk(KERN_WARNING "*** %s *** FORMAT=%X\n",
-+ vec_names[fp->ptregs.vector],
-+ fp->ptregs.format);
-+ else
-+ printk(KERN_WARNING "*** Exception %d *** FORMAT=%X\n",
-+ fp->ptregs.vector,
-+ fp->ptregs.format);
-+ printk(KERN_WARNING "Current process id is %d\n", current->pid);
-+ die_if_kernel("BAD KERNEL TRAP", &fp->ptregs, 0);
-+}
-+
-+asmlinkage void trap_c(struct frame *fp)
-+{
-+ int sig;
-+ siginfo_t info;
-+
-+ if (fp->ptregs.sr & PS_S) {
-+ if (fp->ptregs.vector == VEC_TRACE) {
-+ /* traced a trapping instruction */
-+ current->ptrace |= PT_DTRACE;
-+ } else
-+ bad_super_trap(fp);
-+ return;
-+ }
-+
-+ /* send the appropriate signal to the user program */
-+ switch (fp->ptregs.vector) {
-+ case VEC_ADDRERR:
-+ info.si_code = BUS_ADRALN;
-+ sig = SIGBUS;
-+ break;
-+ case VEC_ILLEGAL:
-+ case VEC_LINE10:
-+ case VEC_LINE11:
-+ info.si_code = ILL_ILLOPC;
-+ sig = SIGILL;
-+ break;
-+ case VEC_PRIV:
-+ info.si_code = ILL_PRVOPC;
-+ sig = SIGILL;
-+ break;
-+ case VEC_COPROC:
-+ info.si_code = ILL_COPROC;
-+ sig = SIGILL;
-+ break;
-+ case VEC_TRAP1: /* gdbserver breakpoint */
-+ fp->ptregs.pc -= 2;
-+ info.si_code = TRAP_TRACE;
-+ sig = SIGTRAP;
-+ break;
-+ case VEC_TRAP2:
-+ case VEC_TRAP3:
-+ case VEC_TRAP4:
-+ case VEC_TRAP5:
-+ case VEC_TRAP6:
-+ case VEC_TRAP7:
-+ case VEC_TRAP8:
-+ case VEC_TRAP9:
-+ case VEC_TRAP10:
-+ case VEC_TRAP11:
-+ case VEC_TRAP12:
-+ case VEC_TRAP13:
-+ case VEC_TRAP14:
-+ info.si_code = ILL_ILLTRP;
-+ sig = SIGILL;
-+ break;
-+ case VEC_FPBRUC:
-+ case VEC_FPOE:
-+ case VEC_FPNAN:
-+ info.si_code = FPE_FLTINV;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_FPIR:
-+ info.si_code = FPE_FLTRES;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_FPDIVZ:
-+ info.si_code = FPE_FLTDIV;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_FPUNDER:
-+ info.si_code = FPE_FLTUND;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_FPOVER:
-+ info.si_code = FPE_FLTOVF;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_ZERODIV:
-+ info.si_code = FPE_INTDIV;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_CHK:
-+ case VEC_TRAP:
-+ info.si_code = FPE_INTOVF;
-+ sig = SIGFPE;
-+ break;
-+ case VEC_TRACE: /* ptrace single step */
-+ info.si_code = TRAP_TRACE;
-+ sig = SIGTRAP;
-+ break;
-+ case VEC_TRAP15: /* breakpoint */
-+ info.si_code = TRAP_BRKPT;
-+ sig = SIGTRAP;
-+ break;
-+ default:
-+ info.si_code = ILL_ILLOPC;
-+ sig = SIGILL;
-+ break;
-+ }
-+ info.si_signo = sig;
-+ info.si_errno = 0;
-+ switch (fp->ptregs.format) {
-+ default:
-+ info.si_addr = (void *) fp->ptregs.pc;
-+ break;
-+ case 2:
-+ info.si_addr = (void *) fp->un.fmt2.iaddr;
-+ break;
-+ case 7:
-+ info.si_addr = (void *) fp->un.fmt7.effaddr;
-+ break;
-+ case 9:
-+ info.si_addr = (void *) fp->un.fmt9.iaddr;
-+ break;
-+ case 10:
-+ info.si_addr = (void *) fp->un.fmta.daddr;
-+ break;
-+ case 11:
-+ info.si_addr = (void *) fp->un.fmtb.daddr;
-+ break;
-+ }
-+ force_sig_info(sig, &info, current);
-+}
-+
-+asmlinkage void set_esp0(unsigned long ssp)
-+{
-+ current->thread.esp0 = ssp;
-+}
-+
-+/*
-+ * The architecture-independent backtrace generator
-+ */
-+void dump_stack(void)
-+{
-+ unsigned long stack;
-+
-+ show_stack(current, &stack);
-+}
-+EXPORT_SYMBOL(dump_stack);
-+
-+#ifdef CONFIG_M68KFPU_EMU
-+asmlinkage void fpemu_signal(int signal, int code, void *addr)
-+{
-+ siginfo_t info;
-+
-+ info.si_signo = signal;
-+ info.si_errno = 0;
-+ info.si_code = code;
-+ info.si_addr = addr;
-+ force_sig_info(signal, &info, current);
-+}
-+#endif
---- a/arch/m68k/include/asm/atomic.h
-+++ b/arch/m68k/include/asm/atomic.h
-@@ -1,3 +1,11 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
- #ifndef __ARCH_M68K_ATOMIC__
- #define __ARCH_M68K_ATOMIC__
-
-@@ -30,12 +38,20 @@
-
- static inline void atomic_add(int i, atomic_t *v)
- {
-- __asm__ __volatile__("addl %1,%0" : "+m" (*v) : ASM_DI (i));
-+#ifndef CONFIG_COLDFIRE
-+ __asm__ __volatile__("addl %1,%0" : "+m" (*v) : ASM_DI(i));
-+#else
-+ __asm__ __volatile__("addl %1,%0" : "=m" (*v) : ASM_DI(i), "m" (*v));
-+#endif
- }
-
- static inline void atomic_sub(int i, atomic_t *v)
- {
-- __asm__ __volatile__("subl %1,%0" : "+m" (*v) : ASM_DI (i));
-+#ifndef CONFIG_COLDFIRE
-+ __asm__ __volatile__("subl %1,%0" : "+m" (*v) : ASM_DI(i));
-+#else
-+ __asm__ __volatile__("subl %1,%0" : "=m" (*v) : ASM_DI(i), "m" (*v));
-+#endif
- }
-
- static inline void atomic_inc(atomic_t *v)
-@@ -55,6 +71,14 @@ static inline int atomic_dec_and_test(at
- return c != 0;
- }
-
-+static inline int atomic_dec_and_test_lt(volatile atomic_t *v)
-+{
-+ char c;
-+ __asm__ __volatile__("subql #1,%1; slt %0" : "=d" (c), "=m" (*v)
-+ : "m" (*v));
-+ return c != 0 ;
-+}
-+
- static inline int atomic_inc_and_test(atomic_t *v)
- {
- char c;
-@@ -167,9 +191,14 @@ static inline int atomic_sub_and_test(in
- static inline int atomic_add_negative(int i, atomic_t *v)
- {
- char c;
-+#ifndef CONFIG_COLDFIRE
- __asm__ __volatile__("addl %2,%1; smi %0"
- : "=d" (c), "+m" (*v)
- : "id" (i));
-+#else
-+ __asm__ __volatile__("addl %2,%1; smi %0" : "=d" (c), "=m" (*v)
-+ : "d" (i) , "m" (*v));
-+#endif
- return c != 0;
- }
-
---- a/arch/m68k/include/asm/bitops_mm.h
-+++ b/arch/m68k/include/asm/bitops_mm.h
-@@ -1,12 +1,18 @@
--#ifndef _M68K_BITOPS_H
--#define _M68K_BITOPS_H
- /*
- * Copyright 1992, Linus Torvalds.
- *
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
- * 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.
- */
-+#ifndef _M68K_BITOPS_H
-+#define _M68K_BITOPS_H
-+
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_bitops.h>
-+#else
-
- #ifndef _LINUX_BITOPS_H
- #error only <linux/bitops.h> can be included directly
-@@ -463,4 +469,6 @@ static inline unsigned long generic_find
-
- #endif /* __KERNEL__ */
-
-+#endif /* CONFIG_COLDFIRE */
-+
- #endif /* _M68K_BITOPS_H */
---- a/arch/m68k/include/asm/bootinfo.h
-+++ b/arch/m68k/include/asm/bootinfo.h
-@@ -2,6 +2,7 @@
- ** asm/bootinfo.h -- Definition of the Linux/m68k boot information structure
- **
- ** Copyright 1992 by Greg Harp
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
- **
- ** 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
-@@ -24,6 +25,47 @@
- #ifndef _M68K_BOOTINFO_H
- #define _M68K_BOOTINFO_H
-
-+#ifndef __ASSEMBLY__
-+/*
-+ * UBoot Support
-+ *
-+ * bd_info structure from uboot1.3.2/arch/m68k/include/asm/u-boot.h
-+ */
-+struct bd_info {
-+ unsigned long bi_memstart; /* start of DRAM memory */
-+ unsigned long bi_memsize; /* size of DRAM memory in bytes */
-+ unsigned long bi_flashstart; /* start of FLASH memory */
-+ unsigned long bi_flashsize; /* size of FLASH memory */
-+ unsigned long bi_flashoffset; /* reserved area for startup monitor */
-+ unsigned long bi_sramstart; /* start of SRAM memory */
-+ unsigned long bi_sramsize; /* size of SRAM memory */
-+ unsigned long bi_mbar_base; /* base of internal registers */
-+ unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */
-+ unsigned long bi_boot_params; /* where this board expects params */
-+ unsigned long bi_ip_addr; /* IP Address */
-+ unsigned char bi_enet0addr[6]; /* Ethernet 0 mac address */
-+ unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
-+ unsigned long bi_intfreq; /* Internal Freq, in MHz */
-+ unsigned long bi_busfreq; /* Bus Freq, in MHz */
-+#ifdef UBOOT_EXTRA_CLOCK
-+ unsigned long bi_inpfreq; /* input Freq in MHz */
-+ unsigned long bi_vcofreq; /* vco Freq in MHz */
-+ unsigned long bi_flbfreq; /* Flexbus Freq in MHz */
-+#endif
-+ unsigned long bi_baudrate; /* Console Baudrate */
-+ unsigned char bi_enet1addr[6]; /* eth1 mac address */
-+ unsigned char bi_enet2addr[6]; /* eth2 mac address */
-+ unsigned char bi_enet3addr[6]; /* eth3 mac address */
-+};
-+
-+struct uboot_record {
-+ struct bd_info *bdi;
-+ unsigned long initrd_start;
-+ unsigned long initrd_end;
-+ unsigned long cmd_line_start;
-+ unsigned long cmd_line_stop;
-+};
-+#endif /* __ASSEMBLY__ */
-
- /*
- * Bootinfo definitions
---- a/arch/m68k/include/asm/cacheflush_mm.h
-+++ b/arch/m68k/include/asm/cacheflush_mm.h
-@@ -1,3 +1,11 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
- #ifndef _M68K_CACHEFLUSH_H
- #define _M68K_CACHEFLUSH_H
-
-@@ -6,6 +14,10 @@
- /* cache code */
- #define FLUSH_I_AND_D (0x00000808)
- #define FLUSH_I (0x00000008)
-+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_cacheflush.h>
-+#else /* !CONFIG_COLDFIRE */
-
- /*
- * Cache handling functions
-@@ -128,7 +140,6 @@ static inline void __flush_page_to_ram(v
- }
- }
-
--#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
- #define flush_dcache_page(page) __flush_page_to_ram(page_address(page))
- #define flush_dcache_mmap_lock(mapping) do { } while (0)
- #define flush_dcache_mmap_unlock(mapping) do { } while (0)
-@@ -154,4 +165,5 @@ static inline void copy_from_user_page(s
- memcpy(dst, src, len);
- }
-
-+#endif /* !CONFIG_COLDFIRE */
- #endif /* _M68K_CACHEFLUSH_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf-sram.h
-@@ -0,0 +1,21 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Author: Lanttor.Guo@freescale.com
-+ *
-+ * Providing on-chip SRAM allocation and free APIs to kernel
-+ *
-+ * 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.
-+ */
-+
-+#ifndef CF_SRAM_H
-+#define CF_SRAM_H
-+
-+extern int declare_sram_pool(void *start, size_t size);
-+
-+extern void *sram_alloc(size_t len);
-+extern void sram_free(void *addr, size_t len);
-+
-+#endif
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_bitops.h
-@@ -0,0 +1,443 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+#ifndef __CF_BITOPS__
-+#define __CF_BITOPS__
-+
-+#ifndef _LINUX_BITOPS_H
-+#error only <linux/bitops.h> can be included directly
-+#endif
-+
-+#include <linux/compiler.h>
-+
-+#define test_and_set_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_test_and_set_bit(nr, vaddr) : \
-+ __generic_coldfire_test_and_set_bit(nr, vaddr))
-+
-+static inline int __constant_coldfire_test_and_set_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+ __asm__ __volatile__ ("bset %2,(%4); sne %0"
-+ : "=d" (retval), "=m" (*p)
-+ : "di" (nr & 7), "m" (*p), "a" (p));
-+ return retval;
-+}
-+
-+static inline int __generic_coldfire_test_and_set_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+
-+ __asm__ __volatile__ ("bset %2,%1; sne %0"
-+ : "=d" (retval), "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "d" (nr)
-+ : "memory");
-+ return retval;
-+}
-+#define __test_and_set_bit(nr, vaddr) test_and_set_bit(nr, vaddr)
-+
-+#define set_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_set_bit(nr, vaddr) : \
-+ __generic_coldfire_set_bit(nr, vaddr))
-+
-+static inline void __constant_coldfire_set_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+ __asm__ __volatile__ ("bset %1,(%3)"
-+ : "=m" (*p) : "di" (nr & 7), "m" (*p), "a" (p));
-+}
-+
-+static inline void __generic_coldfire_set_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ __asm__ __volatile__ ("bset %1,%0"
-+ : "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "d" (nr)
-+ : "memory");
-+}
-+#define __set_bit(nr, vaddr) set_bit(nr, vaddr)
-+
-+#define test_and_clear_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_test_and_clear_bit(nr, vaddr) : \
-+ __generic_coldfire_test_and_clear_bit(nr, vaddr))
-+
-+static inline int __constant_coldfire_test_and_clear_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+
-+ __asm__ __volatile__ ("bclr %2,(%4); sne %0"
-+ : "=d" (retval), "=m" (*p)
-+ : "id" (nr & 7), "m" (*p), "a" (p));
-+
-+ return retval;
-+}
-+
-+static inline int __generic_coldfire_test_and_clear_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+
-+ __asm__ __volatile__ ("bclr %2,%1; sne %0"
-+ : "=d" (retval), "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "d" (nr & 7)
-+ : "memory");
-+
-+ return retval;
-+}
-+#define __test_and_clear_bit(nr, vaddr) test_and_clear_bit(nr, vaddr)
-+
-+/*
-+ * clear_bit() doesn't provide any barrier for the compiler.
-+ */
-+#define smp_mb__before_clear_bit() barrier()
-+#define smp_mb__after_clear_bit() barrier()
-+
-+#define clear_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_clear_bit(nr, vaddr) : \
-+ __generic_coldfire_clear_bit(nr, vaddr))
-+
-+static inline void __constant_coldfire_clear_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+ __asm__ __volatile__ ("bclr %1,(%3)"
-+ : "=m" (*p) : "id" (nr & 7), "m" (*p), "a" (p));
-+}
-+
-+static inline void __generic_coldfire_clear_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ __asm__ __volatile__ ("bclr %1,%0"
-+ : "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "d" (nr)
-+ : "memory");
-+}
-+#define __clear_bit(nr, vaddr) clear_bit(nr, vaddr)
-+
-+#define test_and_change_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_test_and_change_bit(nr, vaddr) : \
-+ __generic_coldfire_test_and_change_bit(nr, vaddr))
-+
-+static inline int __constant_coldfire_test_and_change_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+
-+ __asm__ __volatile__ ("bchg %2,(%4); sne %0"
-+ : "=d" (retval), "=m" (*p)
-+ : "id" (nr & 7), "m" (*p), "a" (p));
-+
-+ return retval;
-+}
-+
-+static inline int __generic_coldfire_test_and_change_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ char retval;
-+
-+ __asm__ __volatile__ ("bchg %2,%1; sne %0"
-+ : "=d" (retval), "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "id" (nr)
-+ : "memory");
-+
-+ return retval;
-+}
-+#define __test_and_change_bit(nr, vaddr) test_and_change_bit(nr, vaddr)
-+#define __change_bit(nr, vaddr) change_bit(nr, vaddr)
-+
-+#define change_bit(nr, vaddr) \
-+ (__builtin_constant_p(nr) ? \
-+ __constant_coldfire_change_bit(nr, vaddr) : \
-+ __generic_coldfire_change_bit(nr, vaddr))
-+
-+static inline void __constant_coldfire_change_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ volatile char *p = &((volatile char *)vaddr)[(nr^31) >> 3];
-+ __asm__ __volatile__ ("bchg %1,(%3)"
-+ : "=m" (*p) : "id" (nr & 7), "m" (*p), "a" (p));
-+}
-+
-+static inline void __generic_coldfire_change_bit(int nr,
-+ volatile void *vaddr)
-+{
-+ __asm__ __volatile__ ("bchg %1,%0"
-+ : "=m" (((volatile char *)vaddr)[(nr^31) >> 3])
-+ : "d" (nr)
-+ : "memory");
-+}
-+
-+static inline int test_bit(int nr, const unsigned long *vaddr)
-+{
-+ return (vaddr[nr >> 5] & (1UL << (nr & 31))) != 0;
-+}
-+
-+static inline unsigned long ffz(unsigned long word)
-+{
-+ unsigned long result = 0;
-+
-+ while (word & 1) {
-+ result++;
-+ word >>= 1;
-+ }
-+ return result;
-+}
-+
-+/* find_next_zero_bit() finds the first zero bit in a bit string of length
-+ * 'size' bits, starting the search at bit 'offset'. This is largely based
-+ * on Linus's ALPHA routines.
-+ */
-+static inline unsigned long find_next_zero_bit(void *addr,
-+ unsigned long size, unsigned long offset)
-+{
-+ unsigned long *p = ((unsigned long *) addr) + (offset >> 5);
-+ unsigned long result = offset & ~31UL;
-+ unsigned long tmp;
-+
-+ if (offset >= size)
-+ return size;
-+ size -= result;
-+ offset &= 31UL;
-+ if (offset) {
-+ tmp = *(p++);
-+ tmp |= ~0UL >> (32-offset);
-+ if (size < 32)
-+ goto found_first;
-+ if (~tmp)
-+ goto found_middle;
-+ size -= 32;
-+ result += 32;
-+ }
-+ while (size & ~31UL) {
-+ tmp = *(p++);
-+ if (~tmp)
-+ goto found_middle;
-+ result += 32;
-+ size -= 32;
-+ }
-+ if (!size)
-+ return result;
-+ tmp = *p;
-+
-+found_first:
-+ tmp |= ~0UL >> size;
-+found_middle:
-+ return result + ffz(tmp);
-+}
-+
-+#define find_first_zero_bit(addr, size) find_next_zero_bit(((void *)addr), \
-+ (size), 0)
-+
-+/* Ported from included/linux/bitops.h */
-+static inline int ffs(int x)
-+{
-+ int r = 1;
-+
-+ if (!x)
-+ return 0;
-+ if (!(x & 0xffff)) {
-+ x >>= 16;
-+ r += 16;
-+ }
-+ if (!(x & 0xff)) {
-+ x >>= 8;
-+ r += 8;
-+ }
-+ if (!(x & 0xf)) {
-+ x >>= 4;
-+ r += 4;
-+ }
-+ if (!(x & 3)) {
-+ x >>= 2;
-+ r += 2;
-+ }
-+ if (!(x & 1)) {
-+ x >>= 1;
-+ r += 1;
-+ }
-+ return r;
-+}
-+#define __ffs(x) (ffs(x) - 1)
-+
-+/* find_next_bit - find the next set bit in a memory region
-+ * (from asm-ppc/bitops.h)
-+ */
-+static inline unsigned long find_next_bit(const unsigned long *addr,
-+ unsigned long size, unsigned long offset)
-+{
-+ unsigned int *p = ((unsigned int *) addr) + (offset >> 5);
-+ unsigned int result = offset & ~31UL;
-+ unsigned int tmp;
-+
-+ if (offset >= size)
-+ return size;
-+ size -= result;
-+ offset &= 31UL;
-+ if (offset) {
-+ tmp = *p++;
-+ tmp &= ~0UL << offset;
-+ if (size < 32)
-+ goto found_first;
-+ if (tmp)
-+ goto found_middle;
-+ size -= 32;
-+ result += 32;
-+ }
-+ while (size >= 32) {
-+ tmp = *p++;
-+ if (tmp != 0)
-+ goto found_middle;
-+ result += 32;
-+ size -= 32;
-+ }
-+ if (!size)
-+ return result;
-+ tmp = *p;
-+
-+found_first:
-+ tmp &= ~0UL >> (32 - size);
-+ if (tmp == 0UL) /* Are any bits set? */
-+ return result + size; /* Nope. */
-+found_middle:
-+ return result + __ffs(tmp);
-+}
-+
-+#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)
-+
-+#ifdef __KERNEL__
-+
-+/* Ported from include/linux/bitops.h */
-+static inline int fls(int x)
-+{
-+ int r = 32;
-+
-+ if (!x)
-+ return 0;
-+ if (!(x & 0xffff0000u)) {
-+ x <<= 16;
-+ r -= 16;
-+ }
-+ if (!(x & 0xff000000u)) {
-+ x <<= 8;
-+ r -= 8;
-+ }
-+ if (!(x & 0xf0000000u)) {
-+ x <<= 4;
-+ r -= 4;
-+ }
-+ if (!(x & 0xc0000000u)) {
-+ x <<= 2;
-+ r -= 2;
-+ }
-+ if (!(x & 0x80000000u)) {
-+ x <<= 1;
-+ r -= 1;
-+ }
-+ return r;
-+}
-+
-+static inline int __fls(int x)
-+{
-+ return fls(x) - 1;
-+}
-+
-+#include <asm-generic/bitops/fls64.h>
-+#include <asm-generic/bitops/sched.h>
-+#include <asm-generic/bitops/hweight.h>
-+#include <asm-generic/bitops/lock.h>
-+
-+#define minix_find_first_zero_bit(addr, size) find_next_zero_bit((addr), \
-+ (size), 0)
-+#define minix_test_and_set_bit(nr, addr) test_and_set_bit((nr), \
-+ (unsigned long *)(addr))
-+#define minix_set_bit(nr, addr) set_bit((nr), \
-+ (unsigned long *)(addr))
-+#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit((nr), \
-+ (unsigned long *)(addr))
-+
-+static inline int minix_test_bit(int nr, const volatile unsigned long *vaddr)
-+{
-+ int *a = (int *)vaddr;
-+ int mask;
-+
-+ a += nr >> 5;
-+ mask = 1 << (nr & 0x1f);
-+ return ((mask & *a) != 0);
-+}
-+
-+#define ext2_set_bit(nr, addr) test_and_set_bit((nr) ^ 24, \
-+ (unsigned long *)(addr))
-+#define ext2_set_bit_atomic(lock, nr, addr) test_and_set_bit((nr) ^ 24, \
-+ (unsigned long *)(addr))
-+#define ext2_clear_bit(nr, addr) test_and_clear_bit((nr) ^ 24, \
-+ (unsigned long *)(addr))
-+#define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 24, \
-+ (unsigned long *)(addr))
-+
-+static inline int ext2_test_bit(int nr, const void *vaddr)
-+{
-+ const unsigned char *p = vaddr;
-+ return (p[nr >> 3] & (1U << (nr & 7))) != 0;
-+}
-+
-+static inline int ext2_find_first_zero_bit(const void *vaddr, unsigned size)
-+{
-+ const unsigned long *p = vaddr, *addr = vaddr;
-+ int res;
-+
-+ if (!size)
-+ return 0;
-+
-+ size = (size >> 5) + ((size & 31) > 0);
-+ while (*p++ == ~0UL) {
-+ if (--size == 0)
-+ return (p - addr) << 5;
-+ }
-+
-+ --p;
-+ for (res = 0; res < 32; res++)
-+ if (!ext2_test_bit(res, p))
-+ break;
-+ return (p - addr) * 32 + res;
-+}
-+
-+static inline int ext2_find_next_zero_bit(const void *vaddr, unsigned size,
-+ unsigned offset)
-+{
-+ const unsigned long *addr = vaddr;
-+ const unsigned long *p = addr + (offset >> 5);
-+ int bit = offset & 31UL, res;
-+
-+ if (offset >= size)
-+ return size;
-+
-+ if (bit) {
-+ /* Look for zero in first longword */
-+ for (res = bit; res < 32; res++)
-+ if (!ext2_test_bit(res, p))
-+ return (p - addr) * 32 + res;
-+ p++;
-+ }
-+ /* No zero yet, search remaining full bytes for a zero */
-+ res = ext2_find_first_zero_bit(p, size - 32 * (p - addr));
-+ return (p - addr) * 32 + res;
-+}
-+
-+#endif /* KERNEL */
-+
-+#endif /* __CF_BITOPS__ */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_cacheflush.h
-@@ -0,0 +1,20 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
-+#ifndef M68K_CF_CACHEFLUSH_H
-+#define M68K_CF_CACHEFLUSH_H
-+
-+#ifdef CONFIG_M5445X
-+#include "cf_5445x_cacheflush.h"
-+#elif defined(CONFIG_M5441X)
-+#include "cf_5441x_cacheflush.h"
-+#elif defined(CONFIG_M547X_8X)
-+#include "cf_548x_cacheflush.h"
-+#endif
-+
-+#endif /* M68K_CF_CACHEFLUSH_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_entry.h
-@@ -0,0 +1,153 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
-+#ifndef __CF_M68K_ENTRY_H
-+#define __CF_M68K_ENTRY_H
-+
-+#include <asm/setup.h>
-+#include <asm/page.h>
-+#include <asm/coldfire.h>
-+#include <asm/cfmmu.h>
-+
-+/*
-+ * Stack layout in 'ret_from_exception':
-+ *
-+ * This allows access to the syscall arguments in registers d1-d5
-+ *
-+ * 0(sp) - d1
-+ * 4(sp) - d2
-+ * 8(sp) - d3
-+ * C(sp) - d4
-+ * 10(sp) - d5
-+ * 14(sp) - a0
-+ * 18(sp) - a1
-+ * 1C(sp) - a2
-+ * 20(sp) - d0
-+ * 24(sp) - orig_d0
-+ * 28(sp) - stack adjustment
-+ * 2C(sp) - sr
-+ * 2E(sp) - pc
-+ * 32(sp) - format & vector
-+ * 36(sp) - MMUSR
-+ * 3A(sp) - MMUAR
-+ */
-+
-+/*
-+ * 97/05/14 Andreas: Register %a2 is now set to the current task throughout
-+ * the whole kernel.
-+ */
-+
-+/* the following macro is used when enabling interrupts */
-+/* portable version */
-+#define ALLOWINT (~0x700)
-+#define MAX_NOINT_IPL 0
-+
-+#ifdef __ASSEMBLY__
-+
-+#define curptr a2
-+
-+LFLUSH_I_AND_D = 0x00000808
-+LSIGTRAP = 5
-+
-+/* process bits for task_struct.ptrace */
-+PT_TRACESYS_OFF = 3
-+PT_TRACESYS_BIT = 1
-+PT_PTRACED_OFF = 3
-+PT_PTRACED_BIT = 0
-+PT_DTRACE_OFF = 3
-+PT_DTRACE_BIT = 2
-+
-+#define SAVE_ALL_INT save_all_int
-+#define SAVE_ALL_SYS save_all_sys
-+#define RESTORE_ALL restore_all
-+/*
-+ * This defines the normal kernel pt-regs layout.
-+ *
-+ * regs a3-a6 and d6-d7 are preserved by C code
-+ * the kernel doesn't mess with usp unless it needs to
-+ */
-+
-+/*
-+ * a -1 in the orig_d0 field signifies
-+ * that the stack frame is NOT for syscall
-+ */
-+.macro save_all_int
-+ movel MMUSR, % sp@ -
-+ movel MMUAR, % sp@ -
-+ clrl % sp@ - | stk_adj
-+ pea - 1 : w | orig d0
-+ movel % d0, % sp@ - | d0
-+ subal #(8*4), % sp
-+ moveml % d1-%d5/%a0-%a1/%curptr, % sp@
-+.endm
-+
-+.macro save_all_sys
-+ movel MMUSR, % sp@-
-+ movel MMUAR, % sp@-
-+ clrl % sp@ - | stk_adj
-+ movel % d0, % sp@ - | orig d0
-+ movel % d0, % sp@ - | d0
-+ subal #(8*4), % sp
-+ moveml % d1-%d5/%a0-%a1/%curptr, % sp@
-+.endm
-+
-+.macro restore_all
-+ moveml % sp@, % a0-%a1/%curptr/%d1-%d5
-+ addal #(8*4), % sp
-+ movel % sp@+, % d0 | d0
-+ addql #4, % sp | orig d0
-+ addl % sp@+, % sp | stk_adj
-+ addql #8, % sp | MMUAR & MMUSR
-+ rte
-+.endm
-+
-+#define SWITCH_STACK_SIZE (6*4+4) /* includes return address */
-+
-+#define SAVE_SWITCH_STACK save_switch_stack
-+#define RESTORE_SWITCH_STACK restore_switch_stack
-+#define GET_CURRENT(tmp) get_current tmp
-+
-+.macro save_switch_stack
-+ subal #(6*4), % sp
-+ moveml % a3-%a6/%d6-%d7, % sp@
-+.endm
-+
-+.macro restore_switch_stack
-+ moveml % sp@, % a3-%a6/%d6-%d7
-+ addal #(6*4), % sp
-+.endm
-+
-+.macro get_current reg = % d0
-+ movel % sp, \reg
-+ andl #-THREAD_SIZE, \reg
-+ movel \reg, % curptr
-+ movel % curptr@, % curptr
-+.endm
-+
-+#else /* C source */
-+
-+#define STR(X) STR1(X)
-+#define STR1(X) #X
-+
-+#define PT_OFF_ORIG_D0 0x24
-+#define PT_OFF_FORMATVEC 0x32
-+#define PT_OFF_SR 0x2C
-+#define SAVE_ALL_INT \
-+ "clrl %%sp@-;" /* stk_adj */ \
-+ "pea -1:w;" /* orig d0 = -1 */ \
-+ "movel %%d0,%%sp@-;" /* d0 */ \
-+ "subal #(8*4),%sp" \
-+ "moveml %%d1-%%d5/%%a0-%%a2,%%sp@"
-+#define GET_CURRENT(tmp) \
-+ "movel %%sp,"#tmp"\n\t" \
-+ "andw #-"STR(THREAD_SIZE)","#tmp"\n\t" \
-+ "movel "#tmp",%%a2\n\t"
-+
-+#endif
-+
-+#endif /* __CF_M68K_ENTRY_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_io.h
-@@ -0,0 +1,185 @@
-+/*
-+ * linux/include/asm-m68k/cf_io.h
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * 9/30/08 JKM - Separated Coldfire pieces out from m68k.
-+ *
-+ * 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.
-+ */
-+
-+#ifndef __CF_IO__
-+#define __CF_IO__
-+
-+#ifdef __KERNEL__
-+
-+#include <linux/compiler.h>
-+#include <asm/raw_io.h>
-+#include <asm/virtconvert.h>
-+
-+#include <asm-generic/iomap.h>
-+
-+#define readb_relaxed(addr) readb(addr)
-+#define readw_relaxed(addr) readw(addr)
-+#define readl_relaxed(addr) readl(addr)
-+
-+#ifdef CONFIG_PCI
-+
-+/*
-+ * IO space in Coldfire
-+ */
-+#define inb_p inb
-+#define inw_p inw
-+#define inl_p inl
-+#define outb_p outb
-+#define outw_p outw
-+#define outl_p outl
-+
-+#ifndef CONFIG_COLDFIRE
-+#define inb(port) in_8(port)
-+#define outb(val, port) out_8((port), (val))
-+#define inw(port) in_le16(port)
-+#define outw(val, port) out_le16((port), (val))
-+#define inl(port) in_le32(port)
-+#define outl(val, port) out_le32((port), (val))
-+#define insb(port, buf, nr) \
-+ raw_insb((u8 *)(port), (u8 *)(buf), (nr))
-+#define outsb(port, buf, nr) \
-+ raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
-+#define insw(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define outsw(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define insl(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+#define outsl(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+#else
-+#define inb(port) pci_inb(port)
-+#define outb(val, port) pci_outb((val), (port))
-+#define inw(port) pci_inw(port)
-+#define outw(val, port) pci_outw((val), (port))
-+#define insb(a, b, c) \
-+ pci_insb((volatile unsigned char *)a, (unsigned char *)b, c)
-+#define insw(a, b, c) \
-+ pci_insw((volatile unsigned short *)a, (unsigned short *)b, c)
-+#define insl(a, b, c) \
-+ pci_insl((volatile unsigned long *)a, (unsigned long *)b, c)
-+#define outsb(a, b, c) \
-+ pci_outsb((volatile unsigned char *)a, (const unsigned char *)b, c)
-+#define outsw(a, b, c) \
-+ pci_outsw((volatile unsigned short *)a, (const unsigned short *)b, c)
-+#define outsl(a, b, c) \
-+ pci_outsl((volatile unsigned long *)a, (const unsigned long *)b, c)
-+#define inl(port) pci_inl(port)
-+#define outl(val, port) pci_outl((val), (port))
-+#endif
-+
-+#else
-+/* no pci */
-+
-+#define inb(port) in_8(port)
-+#define outb(val, port) out_8((port), (val))
-+#define inw(port) in_le16(port)
-+#define outw(val, port) out_le16((port), (val))
-+#define inl(port) in_le32(port)
-+#define outl(val, port) out_le32((port), (val))
-+#define insb(port, buf, nr) \
-+ raw_insb((u8 *)(port), (u8 *)(buf), (nr))
-+#define outsb(port, buf, nr) \
-+ raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
-+#define insw(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define outsw(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define insl(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+#define outsl(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+
-+#endif /* CONFIG_PCI */
-+
-+#define mmiowb()
-+
-+static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
-+{
-+ return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-+}
-+static inline void __iomem *ioremap_nocache(unsigned long physaddr,
-+ unsigned long size)
-+{
-+ return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-+}
-+static inline void __iomem *ioremap_writethrough(unsigned long physaddr,
-+ unsigned long size)
-+{
-+ return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
-+}
-+static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
-+ unsigned long size)
-+{
-+ return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
-+}
-+
-+static inline void memset_io(volatile void __iomem *addr,
-+ unsigned char val, int count)
-+{
-+ __builtin_memset((void __force *) addr, val, count);
-+}
-+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
-+ int count)
-+{
-+ __builtin_memcpy(dst, (void __force *) src, count);
-+}
-+static inline void memcpy_toio(volatile void __iomem *dst,
-+ const void *src, int count)
-+{
-+ __builtin_memcpy((void __force *) dst, src, count);
-+}
-+
-+#define IO_SPACE_LIMIT 0xffffffff
-+
-+#endif /* __KERNEL__ */
-+
-+#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
-+
-+/*
-+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
-+ * access
-+ */
-+#define xlate_dev_mem_ptr(p) __va(p)
-+
-+/*
-+ * Convert a virtual cached pointer to an uncached pointer
-+ */
-+#define xlate_dev_kmem_ptr(p) p
-+
-+#define __raw_readb(addr) \
-+ ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
-+#define __raw_readw(addr) \
-+ ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
-+#define __raw_readl(addr) \
-+ ({ unsigned long __v = (*(volatile unsigned long *) (addr)); __v; })
-+#define __raw_writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
-+#define __raw_writew(b, addr) \
-+ (void)((*(volatile unsigned short *) (addr)) = (b))
-+#define __raw_writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
-+
-+#define memset_io(a, b, c) memset((void *)(a), (b), (c))
-+#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
-+#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
-+
-+#if !defined(readb)
-+#define readb(addr) \
-+ ({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
-+#define readw(addr) \
-+ ({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
-+#define readl(addr) \
-+ ({ unsigned int __v = (*(volatile unsigned int *) (addr)); __v; })
-+#define writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
-+#define writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
-+#define writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
-+#endif /* readb */
-+
-+#endif /* _IO_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_pgalloc.h
-@@ -0,0 +1,112 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
-+#ifndef M68K_CF_PGALLOC_H
-+#define M68K_CF_PGALLOC_H
-+#include <linux/highmem.h>
-+#include <asm/coldfire.h>
-+#include <asm/page.h>
-+#include <asm/cf_tlbflush.h>
-+#include <asm/cf_cacheflush.h>
-+
-+extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-+{
-+ free_page((unsigned long) pte);
-+}
-+
-+extern const char bad_pmd_string[];
-+
-+extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-+ unsigned long address)
-+{
-+ unsigned long page = __get_free_page(GFP_KERNEL|__GFP_REPEAT);
-+
-+ if (!page)
-+ return NULL;
-+
-+ memset((void *)page, 0, PAGE_SIZE);
-+ return (pte_t *) (page);
-+}
-+
-+extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
-+{
-+ return (pmd_t *) pgd;
-+}
-+
-+#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
-+#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
-+
-+#define pte_alloc_one_fast(mm, addr) pte_alloc_one(mm, addr)
-+
-+#define pmd_populate(mm, pmd, page) (pmd_val(*pmd) = \
-+ (unsigned long)(page_address(page)))
-+
-+#define pmd_populate_kernel(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte))
-+
-+#define pmd_pgtable(pmd) pmd_page(pmd)
-+
-+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *page,
-+ unsigned long address)
-+{
-+ __free_page(page);
-+}
-+
-+#define __pmd_free_tlb(tlb, pmd, address) do { } while (0)
-+
-+static inline struct page *pte_alloc_one(struct mm_struct *mm,
-+ unsigned long address)
-+{
-+ struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
-+ pte_t *pte;
-+
-+ if (!page)
-+ return NULL;
-+
-+ pte = kmap(page);
-+ if (pte) {
-+ clear_page(pte);
-+ __flush_page_to_ram(pte);
-+ flush_tlb_kernel_page(pte);
-+ nocache_page(pte);
-+ }
-+ kunmap(page);
-+
-+ return page;
-+}
-+
-+extern inline void pte_free(struct mm_struct *mm, struct page *page)
-+{
-+ __free_page(page);
-+}
-+
-+/*
-+ * In our implementation, each pgd entry contains 1 pmd that is never allocated
-+ * or freed. pgd_present is always 1, so this should never be called. -NL
-+ */
-+#define pmd_free(mm, pmd) BUG()
-+
-+extern inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
-+{
-+ free_page((unsigned long) pgd);
-+}
-+
-+extern inline pgd_t *pgd_alloc(struct mm_struct *mm)
-+{
-+ pgd_t *new_pgd;
-+
-+ new_pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_NOWARN);
-+ if (!new_pgd)
-+ return NULL;
-+ memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
-+ memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT);
-+ return new_pgd;
-+}
-+
-+#define pgd_populate(mm, pmd, pte) BUG()
-+
-+#endif /* M68K_CF_PGALLOC_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_pgtable.h
-@@ -0,0 +1,364 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+
-+#ifndef _CF_PGTABLE_H
-+#define _CF_PGTABLE_H
-+
-+#include <asm/cfmmu.h>
-+#include <asm/page.h>
-+
-+#ifndef __ASSEMBLY__
-+#include <asm/virtconvert.h>
-+#include <linux/linkage.h>
-+
-+/* For virtual address to physical address conversion */
-+#define VTOP(addr) __pa(addr)
-+#define PTOV(addr) __va(addr)
-+
-+
-+#endif /* !__ASSEMBLY__ */
-+
-+/* Page protection values within PTE. */
-+
-+/* MMUDR bits, in proper place. */
-+#define CF_PAGE_LOCKED (0x00000002)
-+#define CF_PAGE_EXEC (0x00000004)
-+#define CF_PAGE_WRITABLE (0x00000008)
-+#define CF_PAGE_READABLE (0x00000010)
-+#define CF_PAGE_SYSTEM (0x00000020)
-+#define CF_PAGE_COPYBACK (0x00000040)
-+#define CF_PAGE_NOCACHE (0x00000080)
-+
-+#define CF_CACHEMASK (~0x00000040)
-+#define CF_PAGE_MMUDR_MASK (0x000000fe)
-+
-+#define _PAGE_NOCACHE030 (CF_PAGE_NOCACHE)
-+
-+/* MMUTR bits, need shifting down. */
-+#define CF_PAGE_VALID (0x00000400)
-+#define CF_PAGE_SHARED (0x00000800)
-+
-+#define CF_PAGE_MMUTR_MASK (0x00000c00)
-+#define CF_PAGE_MMUTR_SHIFT (10)
-+#define CF_ASID_MMU_SHIFT (2)
-+
-+/* Fake bits, not implemented in CF, will get masked out before
-+ hitting hardware, and might go away altogether once this port is
-+ complete. */
-+#if PAGE_SHIFT < 13
-+#error COLDFIRE Error: Pages must be at least 8k in size
-+#endif
-+#define CF_PAGE_ACCESSED (0x00001000)
-+#define CF_PAGE_FILE (0x00000200)
-+#define CF_PAGE_DIRTY (0x00000001)
-+
-+#define _PAGE_CACHE040 0x020 /* 68040 cache mode, cachable, copyback */
-+#define _PAGE_NOCACHE_S 0x040 /* 68040 no-cache mode, serialized */
-+#define _PAGE_NOCACHE 0x060 /* 68040 cache mode, non-serialized */
-+#define _PAGE_CACHE040W 0x000 /* 68040 cache mode, cachable, write-through */
-+#define _DESCTYPE_MASK 0x003
-+#define _CACHEMASK040 (~0x060)
-+#define _PAGE_GLOBAL040 0x400 /* 68040 global bit, used for kva descs */
-+
-+
-+/* Externally used page protection values. */
-+#define _PAGE_PRESENT (CF_PAGE_VALID)
-+#define _PAGE_ACCESSED (CF_PAGE_ACCESSED)
-+#define _PAGE_DIRTY (CF_PAGE_DIRTY)
-+#define _PAGE_READWRITE (CF_PAGE_WRITABLE \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_SHARED \
-+ | CF_PAGE_SYSTEM)
-+
-+/* Compound page protection values. */
-+#define PAGE_NONE __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED)
-+
-+#define PAGE_SHARED __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_ACCESSED)
-+
-+#define PAGE_INIT __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_EXEC \
-+ | CF_PAGE_SYSTEM \
-+ | CF_PAGE_SHARED)
-+
-+#define PAGE_KERNEL __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_EXEC \
-+ | CF_PAGE_SYSTEM \
-+ | CF_PAGE_SHARED \
-+ | CF_PAGE_ACCESSED)
-+
-+#define PAGE_COPY __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE)
-+
-+/*
-+ * Page protections for initialising protection_map. See mm/mmap.c
-+ * for use. In general, the bit positions are xwr, and P-items are
-+ * private, the S-items are shared.
-+ */
-+
-+#define __P000 PAGE_NONE
-+#define __P100 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_EXEC)
-+#define __P010 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_ACCESSED)
-+#define __P110 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_EXEC)
-+#define __P001 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE)
-+#define __P101 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_EXEC)
-+#define __P011 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_ACCESSED)
-+#define __P111 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_EXEC)
-+
-+#define __S000 PAGE_NONE
-+#define __S100 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_EXEC)
-+#define __S010 PAGE_SHARED
-+#define __S110 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_EXEC)
-+#define __S001 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE)
-+#define __S101 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_EXEC)
-+#define __S011 PAGE_SHARED
-+#define __S111 __pgprot(CF_PAGE_VALID \
-+ | CF_PAGE_ACCESSED \
-+ | CF_PAGE_READABLE \
-+ | CF_PAGE_WRITABLE \
-+ | CF_PAGE_EXEC)
-+
-+#define PTE_MASK PAGE_MASK
-+#define CF_PAGE_CHG_MASK (PTE_MASK | CF_PAGE_ACCESSED | CF_PAGE_DIRTY)
-+
-+#ifndef __ASSEMBLY__
-+
-+/*
-+ * Conversion functions: convert a page and protection to a page entry,
-+ * and a page entry and page directory to the page they refer to.
-+ */
-+#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-+
-+extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-+{
-+ pte_val(pte) = (pte_val(pte) & CF_PAGE_CHG_MASK) | pgprot_val(newprot);
-+ return pte;
-+}
-+
-+#define pmd_set(pmdp, ptep) do {} while (0)
-+
-+static inline void pgd_set(pgd_t *pgdp, pmd_t *pmdp)
-+{
-+ pgd_val(*pgdp) = virt_to_phys(pmdp);
-+}
-+
-+#define __pte_page(pte) \
-+ ((unsigned long) ((pte_val(pte) & CF_PAGE_PGNUM_MASK) + PAGE_OFFSET))
-+#define __pmd_page(pmd) ((unsigned long) (pmd_val(pmd)))
-+
-+extern inline int pte_none(pte_t pte)
-+{
-+ return !pte_val(pte);
-+}
-+extern inline int pte_present(pte_t pte)
-+{
-+ return pte_val(pte) & CF_PAGE_VALID;
-+}
-+extern inline void pte_clear(struct mm_struct *mm, unsigned long addr,
-+ pte_t *ptep)
-+{
-+ pte_val(*ptep) = 0;
-+}
-+
-+#define pte_pagenr(pte) ((__pte_page(pte) - PAGE_OFFSET) >> PAGE_SHIFT)
-+#define pte_page(pte) virt_to_page(__pte_page(pte))
-+
-+extern inline int pmd_none2(pmd_t *pmd) { return !pmd_val(*pmd); }
-+#define pmd_none(pmd) pmd_none2(&(pmd))
-+extern inline int pmd_bad2(pmd_t *pmd) { return 0; }
-+#define pmd_bad(pmd) pmd_bad2(&(pmd))
-+#define pmd_present(pmd) (!pmd_none2(&(pmd)))
-+extern inline void pmd_clear(pmd_t *pmdp) { pmd_val(*pmdp) = 0; }
-+
-+extern inline int pgd_none(pgd_t pgd) { return 0; }
-+extern inline int pgd_bad(pgd_t pgd) { return 0; }
-+extern inline int pgd_present(pgd_t pgd) { return 1; }
-+extern inline void pgd_clear(pgd_t *pgdp) {}
-+
-+
-+#define pte_ERROR(e) \
-+ printk(KERN_ERR "%s:%d: bad pte %08lx.\n", \
-+ __FILE__, __LINE__, pte_val(e))
-+#define pmd_ERROR(e) \
-+ printk(KERN_ERR "%s:%d: bad pmd %08lx.\n", \
-+ __FILE__, __LINE__, pmd_val(e))
-+#define pgd_ERROR(e) \
-+ printk(KERN_ERR "%s:%d: bad pgd %08lx.\n", \
-+ __FILE__, __LINE__, pgd_val(e))
-+
-+
-+/*
-+ * The following only work if pte_present() is true.
-+ * Undefined behaviour if not...
-+ * [we have the full set here even if they don't change from m68k]
-+ */
-+extern inline int pte_read(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_READABLE; }
-+extern inline int pte_write(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_WRITABLE; }
-+extern inline int pte_exec(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_EXEC; }
-+extern inline int pte_dirty(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_DIRTY; }
-+extern inline int pte_young(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_ACCESSED; }
-+extern inline int pte_file(pte_t pte) \
-+ { return pte_val(pte) & CF_PAGE_FILE; }
-+static inline int pte_special(pte_t pte) { return 0; }
-+
-+
-+extern inline pte_t pte_wrprotect(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_WRITABLE; return pte; }
-+extern inline pte_t pte_rdprotect(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_READABLE; return pte; }
-+extern inline pte_t pte_exprotect(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_EXEC; return pte; }
-+extern inline pte_t pte_mkclean(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_DIRTY; return pte; }
-+extern inline pte_t pte_mkold(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_ACCESSED; return pte; }
-+extern inline pte_t pte_mkwrite(pte_t pte) \
-+ { pte_val(pte) |= CF_PAGE_WRITABLE; return pte; }
-+extern inline pte_t pte_mkread(pte_t pte) \
-+ { pte_val(pte) |= CF_PAGE_READABLE; return pte; }
-+extern inline pte_t pte_mkexec(pte_t pte) \
-+ { pte_val(pte) |= CF_PAGE_EXEC; return pte; }
-+extern inline pte_t pte_mkdirty(pte_t pte) \
-+ { pte_val(pte) |= CF_PAGE_DIRTY; return pte; }
-+extern inline pte_t pte_mkyoung(pte_t pte) \
-+ { pte_val(pte) |= CF_PAGE_ACCESSED; return pte; }
-+extern inline pte_t pte_mknocache(pte_t pte) \
-+ { pte_val(pte) |= 0x80 | (pte_val(pte) & ~0x40); return pte; }
-+extern inline pte_t pte_mkcache(pte_t pte) \
-+ { pte_val(pte) &= ~CF_PAGE_NOCACHE; return pte; }
-+static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
-+
-+
-+#define swapper_pg_dir kernel_pg_dir
-+extern pgd_t kernel_pg_dir[PTRS_PER_PGD];
-+
-+/* Find an entry in a pagetable directory. */
-+#define pgd_index(address) ((address) >> PGDIR_SHIFT)
-+
-+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
-+
-+/* Find an entry in a kernel pagetable directory. */
-+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
-+
-+/* Find an entry in the second-level pagetable. */
-+extern inline pmd_t *pmd_offset(pgd_t *pgd, unsigned long address)
-+{
-+ return (pmd_t *) pgd;
-+}
-+
-+/* Find an entry in the third-level pagetable. */
-+#define __pte_offset(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-+#define pte_offset_kernel(dir, address) ((pte_t *) __pmd_page(*(dir)) + \
-+ __pte_offset(address))
-+
-+/* Disable caching for page at given kernel virtual address. */
-+static inline void nocache_page(void *vaddr)
-+{
-+ pgd_t *dir;
-+ pmd_t *pmdp;
-+ pte_t *ptep;
-+ unsigned long addr = (unsigned long)vaddr;
-+
-+ dir = pgd_offset_k(addr);
-+ pmdp = pmd_offset(dir, addr);
-+ ptep = pte_offset_kernel(pmdp, addr);
-+ *ptep = pte_mknocache(*ptep);
-+}
-+
-+/* Enable caching for page at given kernel virtual address. */
-+static inline void cache_page(void *vaddr)
-+{
-+ pgd_t *dir;
-+ pmd_t *pmdp;
-+ pte_t *ptep;
-+ unsigned long addr = (unsigned long)vaddr;
-+
-+ dir = pgd_offset_k(addr);
-+ pmdp = pmd_offset(dir, addr);
-+ ptep = pte_offset_kernel(pmdp, addr);
-+ *ptep = pte_mkcache(*ptep);
-+}
-+
-+#define PTE_FILE_MAX_BITS 21
-+#define PTE_FILE_SHIFT 11
-+
-+static inline unsigned long pte_to_pgoff(pte_t pte)
-+{
-+ return pte_val(pte) >> PTE_FILE_SHIFT;
-+}
-+
-+static inline pte_t pgoff_to_pte(unsigned pgoff)
-+{
-+ pte_t pte = __pte((pgoff << PTE_FILE_SHIFT) + CF_PAGE_FILE);
-+ return pte;
-+}
-+
-+/* Encode and de-code a swap entry (must be !pte_none(e) && !pte_present(e)) */
-+#define __swp_entry(type, offset) ((swp_entry_t) { (type) | \
-+ (offset << PTE_FILE_SHIFT) })
-+#define __swp_type(x) ((x).val & 0xFF)
-+#define __swp_offset(x) ((x).val >> PTE_FILE_SHIFT)
-+#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
-+#define __swp_entry_to_pte(x) (__pte((x).val))
-+
-+#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT))
-+
-+#define pte_offset_map(pmdp, address) ((pte_t *)__pmd_page(*pmdp) + \
-+ __pte_offset(address))
-+#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
-+#define pte_unmap(pte) do { } while (0)
-+#define pte_unmap_nested(pte) kunmap(pte)
-+
-+#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-+#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
-+
-+
-+#endif /* !__ASSEMBLY__ */
-+#endif /* !_CF_PGTABLE_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_raw_io.h
-@@ -0,0 +1,188 @@
-+/*
-+ * linux/include/asm-m68k/cf_raw_io.h
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * 09/30/08 JKM: split Coldfire pieces into separate file
-+ *
-+ * 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.
-+ */
-+#ifndef __CF_RAW_IO__
-+#define __CF_RAW_IO__
-+
-+#ifdef __KERNEL__
-+
-+#include <asm/types.h>
-+
-+/* Values for nocacheflag and cmode */
-+#define IOMAP_FULL_CACHING 0
-+#define IOMAP_NOCACHE_SER 1
-+#define IOMAP_NOCACHE_NONSER 2
-+#define IOMAP_WRITETHROUGH 3
-+
-+extern void iounmap(void __iomem *addr);
-+
-+extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
-+ int cacheflag);
-+extern void __iounmap(void *addr, unsigned long size);
-+
-+
-+/* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
-+ * two accesses to memory, which may be undesirable for some devices.
-+ */
-+#define in_8(addr) \
-+ ({ u8 __v = (*(__force volatile u8 *) (addr)); __v; })
-+#define in_be16(addr) \
-+ ({ u16 __v = (*(__force volatile u16 *) (addr)); __v; })
-+#define in_be32(addr) \
-+ ({ u32 __v = (*(__force volatile u32 *) (addr)); __v; })
-+#define in_le16(addr) \
-+ ({ u16 __v = le16_to_cpu(*(__force volatile __le16 *) (addr)); __v; })
-+#define in_le32(addr) \
-+ ({ u32 __v = le32_to_cpu(*(__force volatile __le32 *) (addr)); __v; })
-+
-+#define out_8(addr, b) (void)((*(__force volatile u8 *) (addr)) = (b))
-+#define out_be16(addr, w) (void)((*(__force volatile u16 *) (addr)) = (w))
-+#define out_be32(addr, l) (void)((*(__force volatile u32 *) (addr)) = (l))
-+#define out_le16(addr, w) \
-+ (void)((*(__force volatile __le16 *) (addr)) = cpu_to_le16(w))
-+#define out_le32(addr, l) \
-+ (void)((*(__force volatile __le32 *) (addr)) = cpu_to_le32(l))
-+
-+
-+#ifdef CONFIG_PCI
-+/* pci */
-+unsigned char pci_inb(long addr);
-+unsigned short pci_inw(long addr);
-+unsigned long pci_inl(long addr);
-+
-+void pci_outb(unsigned char val, long addr);
-+void pci_outw(unsigned short val, long addr);
-+void pci_outl(unsigned long val, long addr);
-+
-+void pci_insb(volatile unsigned char *addr,
-+ unsigned char *buf, int len);
-+void pci_insw(volatile unsigned short *addr,
-+ unsigned short *buf, int len);
-+void pci_insl(volatile unsigned long *addr,
-+ unsigned long *buf, int len);
-+
-+void pci_outsb(volatile unsigned char *addr,
-+ const unsigned char *buf, int len);
-+void pci_outsw(volatile unsigned short *addr,
-+ const unsigned short *buf, int len);
-+void pci_outsl(volatile unsigned long *addr,
-+ const unsigned long *buf, int len);
-+
-+unsigned short pci_raw_inw(long addr);
-+unsigned long pci_raw_inl(long addr);
-+void pci_raw_outw(unsigned short val, long addr);
-+void pci_raw_outl(unsigned long val, long addr);
-+
-+#define raw_inb(port) pci_inb((long)((volatile unsigned char *)(port)))
-+#define raw_inw(port) pci_raw_inw((long)((volatile unsigned short *)(port)))
-+#define raw_inl(port) pci_raw_inl((long)((volatile unsigned long *)(port)))
-+
-+#define raw_outb(val, port) \
-+ pci_outb((val), (long)((volatile unsigned char *)(port)))
-+#define raw_outw(val, port) \
-+ pci_raw_outw((val), (long)((volatile unsigned short *)(port)))
-+#define raw_outl(val, port) \
-+ pci_raw_outl((val), (long)((volatile unsigned long *)(port)))
-+
-+#define swap_inw(port) pci_inw((long)((volatile unsigned short *)(port)))
-+#define swap_outw(val, port) \
-+ pci_outw((val), (long)((volatile unsigned short *)(port)))
-+
-+#else
-+/* non-pci */
-+#define raw_inb in_8
-+#define raw_inw in_be16
-+#define raw_inl in_be32
-+
-+#define raw_outb(val, port) out_8((port), (val))
-+#define raw_outw(val, port) out_be16((port), (val))
-+#define raw_outl(val, port) out_be32((port), (val))
-+
-+#define swap_inw(port) in_le16((port))
-+#define swap_outw(val, port) out_le16((port), (val))
-+#endif
-+
-+static inline void raw_insb(volatile u8 __iomem *port,
-+ u8 *buf, unsigned int len)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < len; i++)
-+ *buf++ = in_8(port);
-+}
-+
-+static inline void raw_outsb(volatile u8 __iomem *port, const u8 *buf,
-+ unsigned int len)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < len; i++)
-+ out_8(port, *buf++);
-+}
-+
-+static inline void raw_insw(volatile u16 *port, u16 *buf, unsigned int nr)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++)
-+ *buf++ = raw_inw(port);
-+}
-+
-+static inline void raw_outsw(volatile u16 *port, const u16 *buf,
-+ unsigned int nr)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++, buf++)
-+ raw_outw(*buf, port);
-+}
-+
-+static inline void raw_insl(volatile u32 *port, u32 *buf, unsigned int nr)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++)
-+ *buf++ = raw_inl(port);
-+}
-+
-+static inline void raw_outsl(volatile u32 *port, const u32 *buf,
-+ unsigned int nr)
-+{
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++, buf++)
-+ raw_outl(*buf, port);
-+}
-+
-+static inline void raw_insw_swapw(volatile u16 *port, u16 *buf,
-+ unsigned int nr)
-+{
-+#ifdef UNDEF
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++)
-+ *buf++ = in_le16(port);
-+#endif
-+}
-+
-+static inline void raw_outsw_swapw(volatile u16 __iomem *port, const u16 *buf,
-+ unsigned int nr)
-+{
-+#ifdef UNDEF
-+ unsigned int i;
-+
-+ for (i = 0; i < nr; i++, buf++)
-+ out_le16(port, *buf);
-+#endif
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /* __CF_RAW_IO__ */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_tlbflush.h
-@@ -0,0 +1,66 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+#ifndef M68K_CF_TLBFLUSH_H
-+#define M68K_CF_TLBFLUSH_H
-+
-+#include <asm/coldfire.h>
-+
-+/* Flush all userspace mappings. */
-+static inline void flush_tlb_all(void)
-+{
-+ preempt_disable();
-+ *MMUOR = MMUOR_CNL;
-+ preempt_enable();
-+}
-+
-+/* Clear user TLB entries within the context named in mm */
-+static inline void flush_tlb_mm(struct mm_struct *mm)
-+{
-+ preempt_disable();
-+ *MMUOR = MMUOR_CNL;
-+ preempt_enable();
-+}
-+
-+/* Flush a single TLB page. */
-+static inline void flush_tlb_page(struct vm_area_struct *vma,
-+ unsigned long addr)
-+{
-+ preempt_disable();
-+ *MMUOR = MMUOR_CNL;
-+ preempt_enable();
-+}
-+/* Flush a range of pages from TLB. */
-+
-+static inline void flush_tlb_range(struct vm_area_struct *mm,
-+ unsigned long start, unsigned long end)
-+{
-+ preempt_disable();
-+ *MMUOR = MMUOR_CNL;
-+ preempt_enable();
-+}
-+
-+/* Flush kernel page from TLB. */
-+static inline void flush_tlb_kernel_page(void *addr)
-+{
-+ preempt_disable();
-+ *MMUOR = MMUOR_CNL;
-+ preempt_enable();
-+}
-+
-+static inline void flush_tlb_kernel_range(unsigned long start,
-+ unsigned long end)
-+{
-+ flush_tlb_all();
-+}
-+
-+extern inline void flush_tlb_pgtables(struct mm_struct *mm,
-+ unsigned long start, unsigned long end)
-+{
-+}
-+
-+#endif /* M68K_CF_TLBFLUSH_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_uaccess.h
-@@ -0,0 +1,262 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+#ifndef __M68K_CF_UACCESS_H
-+#define __M68K_CF_UACCESS_H
-+
-+/*
-+ * User space memory access functions
-+ */
-+
-+/* The "moves" command is not available in the CF instruction set. */
-+#include <linux/compiler.h>
-+#include <linux/errno.h>
-+#include <linux/types.h>
-+#include <linux/sched.h>
-+#include <asm/segment.h>
-+
-+#define VERIFY_READ 0
-+#define VERIFY_WRITE 1
-+
-+/* We let the MMU do all checking */
-+#define access_ok(type, addr, size) 1
-+
-+/*
-+ * The exception table consists of pairs of addresses: the first is the
-+ * address of an instruction that is allowed to fault, and the second is
-+ * the address at which the program should continue. No registers are
-+ * modified, so it is entirely up to the continuation code to figure out
-+ * what to do.
-+ *
-+ * All the routines below use bits of fixup code that are out of line
-+ * with the main instruction path. This means when everything is well,
-+ * we don't even have to jump over them. Further, they do not intrude
-+ * on our cache or tlb entries.
-+ */
-+
-+struct exception_table_entry {
-+ unsigned long insn, fixup;
-+};
-+
-+extern int __put_user_bad(void);
-+extern int __get_user_bad(void);
-+
-+#define __put_user_asm(res, x, ptr, bwl, reg, err) \
-+asm volatile ("\n" \
-+ "1: move."#bwl" %2,%1\n" \
-+ "2:\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "10: moveq.l %3,%0\n" \
-+ " jra 2b\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 1b,10b\n" \
-+ " .long 2b,10b\n" \
-+ " .previous" \
-+ : "+d" (res), "=m" (*(ptr)) \
-+ : #reg(x), "i" (err))
-+
-+/*
-+ * These are the main single-value transfer routines. They automatically
-+ * use the right size if we just have the right pointer type.
-+ */
-+
-+#define __put_user(x, ptr) \
-+({ \
-+ typeof(*(ptr)) __pu_val = (x); \
-+ int __pu_err = 0; \
-+ __chk_user_ptr(ptr); \
-+ switch (sizeof(*(ptr))) { \
-+ case 1: \
-+ __put_user_asm(__pu_err, __pu_val, ptr, b, d, -EFAULT); \
-+ break; \
-+ case 2: \
-+ __put_user_asm(__pu_err, __pu_val, ptr, w, d, -EFAULT); \
-+ break; \
-+ case 4: \
-+ __put_user_asm(__pu_err, __pu_val, ptr, l, r, -EFAULT); \
-+ break; \
-+ case 8: \
-+ { \
-+ const void __user *__pu_ptr = (ptr); \
-+ asm volatile ("\n" \
-+ "1: move.l %2,(%1)+\n" \
-+ "2: move.l %R2,(%1)\n" \
-+ "3:\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "10: movel %3,%0\n" \
-+ " jra 3b\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 1b,10b\n" \
-+ " .long 2b,10b\n" \
-+ " .long 3b,10b\n" \
-+ " .previous" \
-+ : "+d" (__pu_err), "+a" (__pu_ptr) \
-+ : "r" (__pu_val), "i" (-EFAULT) \
-+ : "memory"); \
-+ break; \
-+ } \
-+ default: \
-+ __pu_err = __put_user_bad(); \
-+ break; \
-+ } \
-+ __pu_err; \
-+})
-+#define put_user(x, ptr) __put_user(x, ptr)
-+
-+
-+#define __get_user_asm(res, x, ptr, type, bwl, reg, err) ({ \
-+ type __gu_val; \
-+ asm volatile ("\n" \
-+ "1: move."#bwl" %2,%1\n" \
-+ "2:\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "10: move.l %3,%0\n" \
-+ " subl %1,%1\n" \
-+ " jra 2b\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 1b,10b\n" \
-+ " .previous" \
-+ : "+d" (res), "=&" #reg(__gu_val) \
-+ : "m" (*(ptr)), "i" (err)); \
-+ (x) = (typeof(*(ptr)))(unsigned long)__gu_val; \
-+})
-+
-+#define __get_user(x, ptr) \
-+({ \
-+ int __gu_err = 0; \
-+ __chk_user_ptr(ptr); \
-+ switch (sizeof(*(ptr))) { \
-+ case 1: \
-+ __get_user_asm(__gu_err, x, ptr, u8, b, d, -EFAULT); \
-+ break; \
-+ case 2: \
-+ __get_user_asm(__gu_err, x, ptr, u16, w, d, -EFAULT); \
-+ break; \
-+ case 4: \
-+ __get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT); \
-+ break; \
-+/* case 8: disabled because gcc-4.1 has a broken typeof \
-+ { \
-+ const void *__gu_ptr = (ptr); \
-+ u64 __gu_val; \
-+ asm volatile ("\n" \
-+ "1: move.l (%2)+,%1\n" \
-+ "2: move.l (%2),%R1\n" \
-+ "3:\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "10: move.l %3,%0\n" \
-+ " subl %1,%1\n" \
-+ " subl %R1,%R1\n" \
-+ " jra 3b\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 1b,10b\n" \
-+ " .long 2b,10b\n" \
-+ " .previous" \
-+ : "+d" (__gu_err), "=&r" (__gu_val), \
-+ "+a" (__gu_ptr) \
-+ : "i" (-EFAULT) \
-+ : "memory"); \
-+ (x) = (typeof(*(ptr)))__gu_val; \
-+ break; \
-+ } */ \
-+ default : \
-+ __gu_err = __get_user_bad(); \
-+ break; \
-+ } \
-+ __gu_err; \
-+})
-+#define get_user(x, ptr) __get_user(x, ptr)
-+
-+unsigned long __generic_copy_from_user(void *to, const void __user *from,
-+ unsigned long n);
-+unsigned long __generic_copy_to_user(void __user *to, const void *from,
-+ unsigned long n);
-+
-+#define __constant_copy_from_user_asm(res, to, from, tmp, n, s1, s2, s3)\
-+ asm volatile ("\n" \
-+ "1: move."#s1" (%2)+,%3\n" \
-+ " move."#s1" %3,(%1)+\n" \
-+ "2: move."#s2" (%2)+,%3\n" \
-+ " move."#s2" %3,(%1)+\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ "3: move."#s3" (%2)+,%3\n" \
-+ " move."#s3" %3,(%1)+\n" \
-+ " .endif\n" \
-+ "4:\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 1b,10f\n" \
-+ " .long 2b,20f\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ " .long 3b,30f\n" \
-+ " .endif\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "10: clr."#s1" (%1)+\n" \
-+ "20: clr."#s2" (%1)+\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ "30: clr."#s3" (%1)+\n" \
-+ " .endif\n" \
-+ " moveq.l #"#n",%0\n" \
-+ " jra 4b\n" \
-+ " .previous\n" \
-+ : "+d" (res), "+&a" (to), "+a" (from), "=&d" (tmp) \
-+ : : "memory")
-+
-+#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3) \
-+ asm volatile ("\n" \
-+ " move."#s1" (%2)+,%3\n" \
-+ "11: move."#s1" %3,(%1)+\n" \
-+ "12: move."#s2" (%2)+,%3\n" \
-+ "21: move."#s2" %3,(%1)+\n" \
-+ "22:\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ " move."#s3" (%2)+,%3\n" \
-+ "31: move."#s3" %3,(%1)+\n" \
-+ "32:\n" \
-+ " .endif\n" \
-+ "4:\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 11b,5f\n" \
-+ " .long 12b,5f\n" \
-+ " .long 21b,5f\n" \
-+ " .long 22b,5f\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ " .long 31b,5f\n" \
-+ " .long 32b,5f\n" \
-+ " .endif\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "5: moveq.l #"#n",%0\n" \
-+ " jra 4b\n" \
-+ " .previous\n" \
-+ : "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp) \
-+ : : "memory")
-+
-+#endif /* _M68K_CF_UACCESS_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cf_virtconvert.h
-@@ -0,0 +1,63 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
-+#ifndef __CF_VIRTCONVERT__
-+#define __CF_VIRTCONVERT__
-+
-+/*
-+ * Macros used for converting between virtual and physical mappings.
-+ *
-+ * Coldfire Specific
-+ */
-+
-+#ifdef __KERNEL__
-+
-+#include <linux/compiler.h>
-+#include <linux/mmzone.h>
-+#include <asm/setup.h>
-+#include <asm/page.h>
-+
-+/*
-+ * Change virtual addresses to physical addresses and vv.
-+ */
-+static inline unsigned long virt_to_phys(void *address)
-+{
-+ return __pa(address);
-+}
-+
-+static inline void *phys_to_virt(unsigned long address)
-+{
-+ return __va(address);
-+}
-+
-+/* Permanent address of a page. */
-+#ifdef CONFIG_SINGLE_MEMORY_CHUNK
-+#define page_to_phys(page) \
-+ __pa(PAGE_OFFSET + \
-+ (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
-+#else
-+#define page_to_phys(_page) ({ \
-+ struct page *__page = _page; \
-+ struct pglist_data *pgdat; \
-+ pgdat = pg_data_table[page_to_nid(__page)]; \
-+ page_to_pfn(__page) << PAGE_SHIFT; \
-+})
-+#endif
-+
-+/*
-+ * IO bus memory addresses are 1:1 with the physical address,
-+ */
-+#ifdef CONFIG_PCI
-+#define virt_to_bus(a) (a + PCI_DMA_BASE)
-+#define bus_to_virt(a) (a - PCI_DMA_BASE)
-+#else
-+#define virt_to_bus(a) (a)
-+#define bus_to_virt(a) (a)
-+#endif
-+
-+#endif /* __KERNEL__ */
-+#endif /* __CF_VIRTCONVERT__ */
---- /dev/null
-+++ b/arch/m68k/include/asm/cfcache.h
-@@ -0,0 +1,146 @@
-+/*
-+ * include/asm-m68k/cfcache.h - Coldfire Cache Controller
-+ *
-+ * Kurt Mahan kmahan@freescale.com
-+ *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. 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.
-+ */
-+#ifndef CF_CFCACHE_H
-+#define CF_CFCACHE_H
-+
-+/*
-+ * CACR Cache Control Register
-+ */
-+#define CF_CACR_DEC (0x80000000) /* Data Cache Enable */
-+#define CF_CACR_DW (0x40000000) /* Data default Write-protect */
-+#define CF_CACR_DESB (0x20000000) /* Data Enable Store Buffer */
-+#define CF_CACR_DPI (0x10000000) /* Data Disable CPUSHL Invalidate */
-+#define CF_CACR_DHLCK (0x08000000) /* 1/2 Data Cache Lock Mode */
-+#define CF_CACR_DDCM_00 (0x00000000) /* Cacheable writethrough imprecise */
-+#define CF_CACR_DDCM_01 (0x02000000) /* Cacheable copyback */
-+#define CF_CACR_DDCM_10 (0x04000000) /* Noncacheable precise */
-+#define CF_CACR_DDCM_11 (0x06000000) /* Noncacheable imprecise */
-+#define CF_CACR_DCINVA (0x01000000) /* Data Cache Invalidate All */
-+#define CF_CACR_DDSP (0x00800000) /* Data default supervisor-protect */
-+#define CF_CACR_IVO (0x00100000) /* Invalidate only */
-+#define CF_CACR_BEC (0x00080000) /* Branch Cache Enable */
-+#define CF_CACR_BCINVA (0x00040000) /* Branch Cache Invalidate All */
-+#define CF_CACR_IEC (0x00008000) /* Instruction Cache Enable */
-+#define CF_CACR_SPA (0x00004000) /* Search by Physical Address */
-+#define CF_CACR_DNFB (0x00002000) /* Default cache-inhibited fill buf */
-+#define CF_CACR_IDPI (0x00001000) /* Instr Disable CPUSHL Invalidate */
-+#define CF_CACR_IHLCK (0x00000800) /* 1/2 Instruction Cache Lock Mode */
-+#define CF_CACR_IDCM (0x00000400) /* Noncacheable Instr default mode */
-+#define CF_CACR_ICINVA (0x00000100) /* Instr Cache Invalidate All */
-+#define CF_CACR_IDSP (0x00000080) /* Ins default supervisor-protect */
-+#define CF_CACR_EUSP (0x00000020) /* Switch stacks in user mode */
-+
-+#ifdef CONFIG_M5445X
-+/*
-+ * M5445x Cache Configuration
-+ * - cache line size is 16 bytes
-+ * - cache is 4-way set associative
-+ * - each cache has 256 sets (64k / 16bytes / 4way)
-+ * - I-Cache size is 16KB
-+ * - D-Cache size is 16KB
-+ */
-+#define ICACHE_SIZE 0x4000 /* instruction - 16k */
-+#define DCACHE_SIZE 0x4000 /* data - 16k */
-+
-+#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */
-+#define CACHE_SETS 0x0100 /* 256 sets */
-+#define CACHE_WAYS 0x0004 /* 4 way */
-+
-+#define CACHE_DISABLE_MODE (CF_CACR_DCINVA+ \
-+ CF_CACR_BCINVA+ \
-+ CF_CACR_ICINVA)
-+
-+#ifndef CONFIG_M5445X_DISABLE_CACHE
-+#define CACHE_INITIAL_MODE (CF_CACR_DEC+ \
-+ CF_CACR_BEC+ \
-+ CF_CACR_IEC+ \
-+ CF_CACR_DESB+ \
-+ CF_CACR_EUSP)
-+#else
-+/* cache disabled for testing */
-+#define CACHE_INITIAL_MODE (CF_CACR_EUSP)
-+#endif /* CONFIG_M5445X_DISABLE_CACHE */
-+
-+#elif defined(CONFIG_M547X_8X)
-+/*
-+ * * M547x/M548x Cache Configuration
-+ * * - cache line size is 16 bytes
-+ * * - cache is 4-way set associative
-+ * * - each cache has 512 sets (128k / 16bytes / 4way)
-+ * * - I-Cache size is 32KB
-+ * * - D-Cache size is 32KB
-+ * */
-+#define ICACHE_SIZE 0x8000 /* instruction - 32k */
-+#define DCACHE_SIZE 0x8000 /* data - 32k */
-+
-+#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */
-+#define CACHE_SETS 0x0200 /* 512 sets */
-+#define CACHE_WAYS 0x0004 /* 4 way */
-+
-+/* in for the old cpushl caching code */
-+#define _DCACHE_SET_MASK ((DCACHE_SIZE/64-1)<<CACHE_WAYS)
-+#define _ICACHE_SET_MASK ((ICACHE_SIZE/64-1)<<CACHE_WAYS)
-+#define LAST_DCACHE_ADDR _DCACHE_SET_MASK
-+#define LAST_ICACHE_ADDR _ICACHE_SET_MASK
-+
-+#define CACHE_DISABLE_MODE (CF_CACR_DCINVA+ \
-+ CF_CACR_BCINVA+ \
-+ CF_CACR_ICINVA)
-+
-+#define CACHE_INITIAL_MODE (CF_CACR_DEC+ \
-+ CF_CACR_BEC+ \
-+ CF_CACR_IEC+ \
-+ CF_CACR_DESB+ \
-+ CF_CACR_EUSP)
-+#elif defined(CONFIG_M5441X)
-+/*
-+ * M5441x Cache Configuration
-+ * - cache line size is 16 bytes
-+ * - cache is 4-way set associative
-+ * - each cache has 128 sets (8k / 16bytes / 4way)
-+ * - I-Cache size is 8KB
-+ * - D-Cache size is 8KB
-+ */
-+#define ICACHE_SIZE 0x2000 /* instruction - 8k */
-+#define DCACHE_SIZE 0x2000 /* data - 8k */
-+
-+#define CACHE_LINE_SIZE 0x0010 /* 16 bytes */
-+#define CACHE_SETS 0x0080 /* 128 sets */
-+#define CACHE_WAYS 0x0004 /* 4 way */
-+
-+#define CACHE_DISABLE_MODE (CF_CACR_DCINVA+ \
-+ CF_CACR_BCINVA+ \
-+ CF_CACR_ICINVA)
-+
-+#ifndef CONFIG_M5441X_DISABLE_CACHE
-+#define CACHE_INITIAL_MODE (CF_CACR_DEC+ \
-+ CF_CACR_BEC+ \
-+ CF_CACR_IEC+ \
-+ CF_CACR_DESB+ \
-+ CF_CACR_DDCM_01+ \
-+ CF_CACR_EUSP)
-+#else
-+/* cache disabled for testing */
-+#define CACHE_INITIAL_MODE (CF_CACR_EUSP)
-+#endif /* CONFIG_M5441X_DISABLE_CACHE */
-+
-+#endif
-+
-+#ifndef __ASSEMBLY__
-+
-+extern unsigned long shadow_cacr;
-+extern void cacr_set(unsigned long x);
-+
-+#endif /* !__ASSEMBLY__ */
-+
-+#endif /* CF_CACHE_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/cfmmu.h
-@@ -0,0 +1,112 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Definitions for Coldfire V4e MMU
-+ *
-+ * 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.
-+ */
-+#include <asm/movs.h>
-+
-+#ifndef __CF_MMU_H__
-+#define __CF_MMU_H__
-+
-+
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X)
-+#define MMU_BASE 0xE8000000
-+#elif defined(CONFIG_M5441X)
-+#define MMU_BASE 0xD8000000
-+#endif
-+
-+#define MMUCR (MMU_BASE+0x00)
-+#define MMUCR_ASMN 1
-+#define MMUCR_ASM (1<<MMUCR_ASMN)
-+#define MMUCR_ENN 0
-+#define MMUCR_EN (1<<MMUCR_ENN)
-+
-+#define MMUOR REG16(MMU_BASE+0x04+0x02)
-+#define MMUOR_AAN 16
-+#define MMUOR_AA (0xffff<<MMUOR_AAN)
-+#define MMUOR_STLBN 8
-+#define MMUOR_STLB (1<<MMUOR_STLBN)
-+#define MMUOR_CAN 7
-+#define MMUOR_CA (1<<MMUOR_CAN)
-+#define MMUOR_CNLN 6
-+#define MMUOR_CNL (1<<MMUOR_CNLN)
-+#define MMUOR_CASN 5
-+#define MMUOR_CAS (1<<MMUOR_CASN)
-+#define MMUOR_ITLBN 4
-+#define MMUOR_ITLB (1<<MMUOR_ITLBN)
-+#define MMUOR_ADRN 3
-+#define MMUOR_ADR (1<<MMUOR_ADRN)
-+#define MMUOR_RWN 2
-+#define MMUOR_RW (1<<MMUOR_RWN)
-+#define MMUOR_ACCN 1
-+#define MMUOR_ACC (1<<MMUOR_ACCN)
-+#define MMUOR_UAAN 0
-+#define MMUOR_UAA (1<<MMUOR_UAAN)
-+
-+#define MMUSR REG32(MMU_BASE+0x08)
-+#define MMUSR_SPFN 5
-+#define MMUSR_SPF (1<<MMUSR_SPFN)
-+#define MMUSR_RFN 4
-+#define MMUSR_RF (1<<MMUSR_RFN)
-+#define MMUSR_WFN 3
-+#define MMUSR_WF (1<<MMUSR_WFN)
-+#define MMUSR_HITN 1
-+#define MMUSR_HIT (1<<MMUSR_HITN)
-+
-+#define MMUAR REG32(MMU_BASE+0x10)
-+#define MMUAR_VPN 1
-+#define MMUAR_VP (0xfffffffe)
-+#define MMUAR_SN 0
-+#define MMUAR_S (1<<MMUAR_SN)
-+
-+#define MMUTR REG32(MMU_BASE+0x14)
-+#define MMUTR_VAN 10
-+#define MMUTR_VA (0xfffffc00)
-+#define MMUTR_IDN 2
-+#define MMUTR_ID (0xff<<MMUTR_IDN)
-+#define MMUTR_SGN 1
-+#define MMUTR_SG (1<<MMUTR_SGN)
-+#define MMUTR_VN 0
-+#define MMUTR_V (1<<MMUTR_VN)
-+
-+#define MMUDR REG32(MMU_BASE+0x18)
-+#define MMUDR_PAN 10
-+#define MMUDR_PA (0xfffffc00)
-+#define MMUDR_SZN 8
-+#define MMUDR_SZ_MASK (0x2<<MMUDR_SZN)
-+#define MMUDR_SZ1M (0<<MMUDR_SZN)
-+#define MMUDR_SZ4K (1<<MMUDR_SZN)
-+#define MMUDR_SZ8K (2<<MMUDR_SZN)
-+#define MMUDR_SZ16M (3<<MMUDR_SZN)
-+#define MMUDR_CMN 6
-+#define MMUDR_INC (2<<MMUDR_CMN)
-+#define MMUDR_IC (0<<MMUDR_CMN)
-+#define MMUDR_DWT (0<<MMUDR_CMN)
-+#define MMUDR_DCB (1<<MMUDR_CMN)
-+#define MMUDR_DNCP (2<<MMUDR_CMN)
-+#define MMUDR_DNCIP (3<<MMUDR_CMN)
-+#define MMUDR_SPN 5
-+#define MMUDR_SP (1<<MMUDR_SPN)
-+#define MMUDR_RN 4
-+#define MMUDR_R (1<<MMUDR_RN)
-+#define MMUDR_WN 3
-+#define MMUDR_W (1<<MMUDR_WN)
-+#define MMUDR_XN 2
-+#define MMUDR_X (1<<MMUDR_XN)
-+#define MMUDR_LKN 1
-+#define MMUDR_LK (1<<MMUDR_LKN)
-+
-+
-+#ifndef __ASSEMBLY__
-+#define CF_PMEGS_NUM 256
-+#define CF_INVALID_CONTEXT 255
-+#define CF_PAGE_PGNUM_MASK (PAGE_MASK)
-+
-+extern int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb,
-+ int extension_word);
-+#endif /* __ASSEMBLY__*/
-+
-+#endif /* !__CF_MMU_H__ */
---- a/arch/m68k/include/asm/coldfire.h
-+++ b/arch/m68k/include/asm/coldfire.h
-@@ -5,6 +5,13 @@
- *
- * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com)
- * (C) Copyright 2000, Lineo (www.lineo.com)
-+ *
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Right Reserved.
-+ * Shrek Wu b16972@freescale.com
-+ *
-+ * 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.
- */
-
- /****************************************************************************/
-@@ -19,27 +26,78 @@
- * here. Also the peripheral clock (bus clock) divide ratio is set
- * at config time too.
- */
-+/*FIXME Jason*/
-+#if 0
- #ifdef CONFIG_CLOCK_SET
- #define MCF_CLK CONFIG_CLOCK_FREQ
- #define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV)
- #else
- #error "Don't know what your ColdFire CPU clock frequency is??"
- #endif
-+#endif
-+
-+
-+#define MCF_CLK CONFIG_MCFCLK
-+#define MCF_BUSCLK (CONFIG_MCFCLK/2)
-+
-+
-+#if defined(CONFIG_M520x)
-+#define MCF_IPSBAR 0xFC000000
-+#else
-+#define MCF_IPSBAR 0x40000000
-+#endif
-
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M5441X)
-+#define MCF_MBAR 0x0
-+/*
-+ * Even though RAMBAR1 macro should be in the 0x8xxxxxxx range,
-+ * here set the CONFIG_SDRAM_BASE value to it to use
-+ * SDRAM memory, not SRAM memory.
-+ */
-+#define MCF_RAMBAR1 (CONFIG_SDRAM_BASE)
-+#elif defined(CONFIG_M547X_8X)
-+#define MCF_MBAR 0xF0000000
-+#define MCF_MMUBAR 0xF1000000
-+#define MCF_RAMBAR0 0xF3000000
-+#define MCF_RAMBAR1 0xF3001000
-+#else
- /*
- * Define the processor support peripherals base address.
- * This is generally setup by the boards start up code.
- */
- #define MCF_MBAR 0x10000000
- #define MCF_MBAR2 0x80000000
--#if defined(CONFIG_M54xx)
--#define MCF_IPSBAR MCF_MBAR
--#elif defined(CONFIG_M520x)
--#define MCF_IPSBAR 0xFC000000
--#else
--#define MCF_IPSBAR 0x40000000
- #endif
-
-+#ifdef __ASSEMBLY__
-+#define REG32
-+#define REG16
-+#define REG08
-+#else /* __ASSEMBLY__ */
-+#define REG32(x) ((volatile unsigned long *)(x))
-+#define REG16(x) ((volatile unsigned short *)(x))
-+#define REG08(x) ((volatile unsigned char *)(x))
-+
-+#define MCF_REG32(x) (*(volatile unsigned long *)(MCF_MBAR+(x)))
-+#define MCF_REG16(x) (*(volatile unsigned short *)(MCF_MBAR+(x)))
-+#define MCF_REG08(x) (*(volatile unsigned char *)(MCF_MBAR+(x)))
-+
-+void cacr_set(unsigned long);
-+unsigned long cacr_get(void);
-+
-+#define coldfire_enable_irq0(irq) MCF_INTC0_CIMR = (irq);
-+
-+#define coldfire_enable_irq1(irq) MCF_INTC1_CIMR = (irq);
-+
-+#define coldfire_disable_irq0(irq) MCF_INTC0_SIMR = (irq);
-+
-+#define coldfire_disable_irq1(irq) MCF_INTC1_SIMR = (irq);
-+
-+#define getiprh() MCF_INTC0_IPRH
-+
-+#endif /* __ASSEMBLY__ */
-+
-+
- #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M520x)
- #undef MCF_MBAR
---- a/arch/m68k/include/asm/delay_mm.h
-+++ b/arch/m68k/include/asm/delay_mm.h
-@@ -1,18 +1,41 @@
--#ifndef _M68K_DELAY_H
--#define _M68K_DELAY_H
--
--#include <asm/param.h>
--
- /*
- * Copyright (C) 1994 Hamish Macdonald
- *
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ *
- * Delay routines, using a pre-computed "loops_per_jiffy" value.
- */
-
-+#ifndef _M68K_DELAY_H
-+#define _M68K_DELAY_H
-+
-+#include <asm/param.h>
-+
- static inline void __delay(unsigned long loops)
- {
-+#if defined(CONFIG_COLDFIRE)
-+ /* The coldfire runs this loop at significantly different speeds
-+ * depending upon long word alignment or not. We'll pad it to
-+ * long word alignment which is the faster version.
-+ * The 0x4a8e is of course a 'tstl %fp' instruction. This is better
-+ * than using a NOP (0x4e71) instruction because it executes in one
-+ * cycle not three and doesn't allow for an arbitary delay waiting
-+ * for bus cycles to finish. Also fp/a6 isn't likely to cause a
-+ * stall waiting for the register to become valid if such is added
-+ * to the coldfire at some stage.
-+ */
-+ __asm__ __volatile__ (".balignw 4, 0x4a8e\n\t"
-+ "1: subql #1, %0\n\t"
-+ "jcc 1b"
-+ : "=d" (loops) : "0" (loops));
-+#else
- __asm__ __volatile__ ("1: subql #1,%0; jcc 1b"
- : "=d" (loops) : "0" (loops));
-+#endif
- }
-
- extern void __bad_udelay(void);
-@@ -26,12 +49,17 @@ extern void __bad_udelay(void);
- */
- static inline void __const_udelay(unsigned long xloops)
- {
-+#if defined(CONFIG_COLDFIRE)
-+
-+ __delay(((((unsigned long long) xloops * loops_per_jiffy))>>32)*HZ);
-+#else
- unsigned long tmp;
-
- __asm__ ("mulul %2,%0:%1"
- : "=d" (xloops), "=d" (tmp)
- : "d" (xloops), "1" (loops_per_jiffy));
- __delay(xloops * HZ);
-+#endif
- }
-
- static inline void __udelay(unsigned long usecs)
-@@ -46,12 +74,16 @@ static inline void __udelay(unsigned lon
- static inline unsigned long muldiv(unsigned long a, unsigned long b,
- unsigned long c)
- {
-+#if defined(CONFIG_COLDFIRE)
-+ return (long)(((unsigned long long)a * b)/c);
-+#else
- unsigned long tmp;
-
- __asm__ ("mulul %2,%0:%1; divul %3,%0:%1"
- : "=d" (tmp), "=d" (a)
- : "d" (b), "d" (c), "1" (a));
- return a;
-+#endif
- }
-
- #endif /* defined(_M68K_DELAY_H) */
---- a/arch/m68k/include/asm/div64.h
-+++ b/arch/m68k/include/asm/div64.h
-@@ -1,12 +1,17 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_DIV64_H
- #define _M68K_DIV64_H
-
--#ifdef CONFIG_MMU
--
-+#if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
- #include <linux/types.h>
-
- /* n = n / base; return rem; */
--
- #define do_div(n, base) ({ \
- union { \
- unsigned long n32[2]; \
---- a/arch/m68k/include/asm/dma.h
-+++ b/arch/m68k/include/asm/dma.h
-@@ -1,7 +1,10 @@
--#ifndef _M68K_DMA_H
--#define _M68K_DMA_H 1
--
--#ifdef CONFIG_COLDFIRE
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- /*
- * ColdFire DMA Model:
- * ColdFire DMA supports two forms of DMA: Single and Dual address. Single
-@@ -25,6 +28,11 @@
- * Arthur Shipkowski (art@videon-central.com)
- */
-
-+#ifndef _M68K_DMA_H
-+#define _M68K_DMA_H 1
-+
-+#ifdef CONFIG_COLDFIRE
-+
- #include <asm/coldfire.h>
- #include <asm/mcfsim.h>
- #include <asm/mcfdma.h>
-@@ -479,13 +487,106 @@ static __inline__ int get_dma_residue(un
-
- /* it's useless on the m68k, but unfortunately needed by the new
- bootmem allocator (but this should do it for this) */
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X)
-+#define MAX_DMA_ADDRESS 0xefffffff
-+#elif defined(CONFIG_M5441X)
-+#define MAX_DMA_ADDRESS 0xdfffffff
-+#else
- #define MAX_DMA_ADDRESS PAGE_OFFSET
-+#endif
-
-+#ifndef CONFIG_COLDFIRE
- #define MAX_DMA_CHANNELS 8
-
- extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
- extern void free_dma(unsigned int dmanr); /* release it again */
-
-+#else /* not (defined(CONFIG_MCF5474) || defined(CONFIG_MCF5484)
-+ || defined(CONFIG_MCF5475) || defined(CONFIG_MCF5485)) */
-+/************************************************
-+ * Multichannel DMA definitions *
-+ ************************************************/
-+#ifdef CONFIG_MCD_DMA
-+#include <asm/MCD_dma.h>
-+#include <asm/m5485dma.h>
-+
-+struct scatterlist;
-+
-+#define MAX_DMA_CHANNELS NCHANNELS
-+/*
-+ * identifiers for each initiator/requestor
-+ */
-+#define DMA_ALWAYS (0)
-+#define DMA_DSPI_RX (1)
-+#define DMA_DSPI_TX (2)
-+#define DMA_DREQ0 (3)
-+#define DMA_PSC0_RX (4)
-+#define DMA_PSC0_TX (5)
-+#define DMA_USBEP0 (6)
-+#define DMA_USBEP1 (7)
-+#define DMA_USBEP2 (8)
-+#define DMA_USBEP3 (9)
-+#define DMA_PCI_TX (10)
-+#define DMA_PCI_RX (11)
-+#define DMA_PSC1_RX (12)
-+#define DMA_PSC1_TX (13)
-+#define DMA_I2C_RX (14)
-+#define DMA_I2C_TX (15)
-+#define DMA_FEC0_RX (16)
-+#define DMA_FEC0_TX (17)
-+#define DMA_FEC1_RX (18)
-+#define DMA_FEC1_TX (19)
-+#define DMA_DREQ1 (20)
-+#define DMA_CTM0 (21)
-+#define DMA_CTM1 (22)
-+#define DMA_CTM2 (23)
-+#define DMA_CTM3 (24)
-+#define DMA_CTM4 (25)
-+#define DMA_CTM5 (26)
-+#define DMA_CTM6 (27)
-+#define DMA_CTM7 (28)
-+#define DMA_USBEP4 (29)
-+#define DMA_USBEP5 (30)
-+#define DMA_USBEP6 (31)
-+#define DMA_PSC2_RX (32)
-+#define DMA_PSC2_TX (33)
-+#define DMA_PSC3_RX (34)
-+#define DMA_PSC3_TX (35)
-+#define DMA_FEC_RX(x) ((x == 0) ? DMA_FEC0_RX : DMA_FEC1_RX)
-+#define DMA_FEC_TX(x) ((x == 0) ? DMA_FEC0_TX : DMA_FEC1_TX)
-+
-+int dma_set_initiator(int);
-+unsigned int dma_get_initiator(int);
-+void dma_remove_initiator(int);
-+int dma_set_channel(int);
-+int dma_get_channel(int);
-+void dma_remove_channel(int);
-+int dma_set_channel_fec(int requestor);
-+int dma_connect(int channel, int address);
-+int dma_disconnect(int channel);
-+void dma_remove_channel_by_number(int channel);
-+int dma_init(void);
-+#endif
-+
-+extern spinlock_t dma_spin_lock;
-+
-+static inline unsigned long claim_dma_lock(void)
-+{
-+ unsigned long flags;
-+ spin_lock_irqsave(&dma_spin_lock, flags);
-+ return flags;
-+}
-+
-+static inline void release_dma_lock(unsigned long flags)
-+{
-+ spin_unlock_irqrestore(&dma_spin_lock, flags);
-+}
-+#endif
-+
-+#ifdef CONFIG_PCI
-+extern int isa_dma_bridge_buggy;
-+#else
- #define isa_dma_bridge_buggy (0)
-+#endif
-
- #endif /* _M68K_DMA_H */
---- a/arch/m68k/include/asm/elf.h
-+++ b/arch/m68k/include/asm/elf.h
-@@ -1,10 +1,17 @@
--#ifndef __ASMm68k_ELF_H
--#define __ASMm68k_ELF_H
--
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- /*
- * ELF register definitions..
- */
-
-+#ifndef __ASMm68k_ELF_H
-+#define __ASMm68k_ELF_H
-+
- #include <asm/ptrace.h>
- #include <asm/user.h>
-
-@@ -34,6 +41,26 @@
- #define R_68K_GLOB_DAT 20
- #define R_68K_JMP_SLOT 21
- #define R_68K_RELATIVE 22
-+/* TLS static relocations */
-+#define R_68K_TLS_GD32 25
-+#define R_68K_TLS_GD16 26
-+#define R_68K_TLS_GD8 27
-+#define R_68K_TLS_LDM32 28
-+#define R_68K_TLS_LDM16 29
-+#define R_68K_TLS_LDM8 30
-+#define R_68K_TLS_LDO32 31
-+#define R_68K_TLS_LDO16 32
-+#define R_68K_TLS_LDO8 33
-+#define R_68K_TLS_IE32 34
-+#define R_68K_TLS_IE16 35
-+#define R_68K_TLS_IE8 36
-+#define R_68K_TLS_LE32 37
-+#define R_68K_TLS_LE16 38
-+#define R_68K_TLS_LE8 39
-+/* TLS dynamic relocations */
-+#define R_68K_TLS_DTPMOD32 40
-+#define R_68K_TLS_DTPREL32 41
-+#define R_68K_TLS_TPREL32 42
-
- typedef unsigned long elf_greg_t;
-
-@@ -59,7 +86,7 @@ typedef struct user_m68kfp_struct elf_fp
- is actually used on ASV. */
- #define ELF_PLAT_INIT(_r, load_addr) _r->a1 = 0
-
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- #define ELF_EXEC_PAGESIZE 4096
- #else
- #define ELF_EXEC_PAGESIZE 8192
-@@ -70,8 +97,10 @@ typedef struct user_m68kfp_struct elf_fp
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
-
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- #define ELF_ET_DYN_BASE 0xD0000000UL
-+#elif defined(CONFIG_COLDFIRE)
-+#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x10000000)
- #else
- #define ELF_ET_DYN_BASE 0x0D800000UL
- #endif
-@@ -115,4 +144,35 @@ typedef struct user_m68kfp_struct elf_fp
-
- #define SET_PERSONALITY(ex) set_personality(PER_LINUX)
-
-+/*
-+ * VDSO
-+ */
-+#ifdef CONFIG_VDSO
-+extern unsigned int vdso_enabled;
-+
-+#define VDSO_BASE ((unsigned long)current->mm->context.vdso)
-+#define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
-+
-+#define VDSO_AUX_ENT \
-+ if (vdso_enabled) \
-+ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
-+
-+/* additional pages */
-+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
-+
-+struct linux_binprm;
-+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
-+ int executable_stack);
-+
-+#else
-+/* no VDSO_AUX_ENT */
-+#define VDSO_AUX_ENT
-+#endif
-+
-+#define ARCH_DLINFO \
-+do { \
-+ /* vdso entry */ \
-+ VDSO_AUX_ENT; \
-+} while (0);
-+
- #endif
---- a/arch/m68k/include/asm/io_mm.h
-+++ b/arch/m68k/include/asm/io_mm.h
-@@ -1,23 +1,36 @@
- /*
- * linux/include/asm-m68k/io.h
- *
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ *
- * 4/1/00 RZ: - rewritten to avoid clashes between ISA/PCI and other
- * IO access
- * - added Q40 support
- * - added skeleton for GG-II and Amiga PCMCIA
- * 2/3/01 RZ: - moved a few more defs into raw_io.h
- *
-- * inX/outX should not be used by any driver unless it does
-- * ISA access. Other drivers should use function defined in raw_io.h
-+ * inX/outX/readX/writeX should not be used by any driver unless it does
-+ * ISA or PCI access. Other drivers should use function defined in raw_io.h
- * or define its own macros on top of these.
- *
-- * inX(),outX() are for ISA I/O
-+ * inX(),outX() are for PCI and ISA I/O
-+ * readX(),writeX() are for PCI memory
- * isa_readX(),isa_writeX() are for ISA memory
-+ *
-+ * moved mem{cpy,set}_*io inside CONFIG_PCI
- */
-
- #ifndef _IO_H
- #define _IO_H
-
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_io.h>
-+#else
-+
- #ifdef __KERNEL__
-
- #include <linux/compiler.h>
-@@ -49,6 +62,27 @@
- #define MULTI_ISA 0
- #endif /* Q40 */
-
-+/* GG-II Zorro to ISA bridge */
-+#ifdef CONFIG_GG2
-+
-+extern unsigned long gg2_isa_base;
-+#define GG2_ISA_IO_B(ioaddr) \
-+ (gg2_isa_base + 1 + ((unsigned long)(ioaddr) * 4))
-+#define GG2_ISA_IO_W(ioaddr) \
-+ (gg2_isa_base + ((unsigned long)(ioaddr) * 4))
-+#define GG2_ISA_MEM_B(madr) \
-+ (gg2_isa_base + 1 + (((unsigned long)(madr) * 4) & 0xfffff))
-+#define GG2_ISA_MEM_W(madr) \
-+ (gg2_isa_base + (((unsigned long)(madr) * 4) & 0xfffff))
-+
-+#ifndef MULTI_ISA
-+#define MULTI_ISA 0
-+#else
-+#undef MULTI_ISA
-+#define MULTI_ISA 1
-+#endif
-+#endif /* GG2 */
-+
- #ifdef CONFIG_AMIGA_PCMCIA
- #include <asm/amigayle.h>
-
-@@ -71,17 +105,22 @@
- #undef MULTI_ISA
- #endif
-
--#define ISA_TYPE_Q40 (1)
--#define ISA_TYPE_AG (2)
-+#define Q40_ISA (1)
-+#define GG2_ISA (2)
-+#define AG_ISA (3)
-
- #if defined(CONFIG_Q40) && !defined(MULTI_ISA)
--#define ISA_TYPE ISA_TYPE_Q40
-+#define ISA_TYPE Q40_ISA
- #define ISA_SEX 0
- #endif
- #if defined(CONFIG_AMIGA_PCMCIA) && !defined(MULTI_ISA)
--#define ISA_TYPE ISA_TYPE_AG
-+#define ISA_TYPE AG_ISA
- #define ISA_SEX 1
- #endif
-+#if defined(CONFIG_GG2) && !defined(MULTI_ISA)
-+#define ISA_TYPE GG2_ISA
-+#define ISA_SEX 0
-+#endif
-
- #ifdef MULTI_ISA
- extern int isa_type;
-@@ -98,65 +137,72 @@ extern int isa_sex;
-
- static inline u8 __iomem *isa_itb(unsigned long addr)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_Q40
-- case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_IO_B(addr);
-+ case Q40_ISA: return (u8 __iomem *)Q40_ISA_IO_B(addr);
-+#endif
-+#ifdef CONFIG_GG2
-+ case GG2_ISA: return (u8 __iomem *)GG2_ISA_IO_B(addr);
- #endif
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: return (u8 __iomem *)AG_ISA_IO_B(addr);
-+ case AG_ISA: return (u8 __iomem *)AG_ISA_IO_B(addr);
- #endif
-- default: return NULL; /* avoid warnings, just in case */
-- }
-+ default: return NULL; /* avoid warnings, just in case */
-+ }
- }
- static inline u16 __iomem *isa_itw(unsigned long addr)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_Q40
-- case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_IO_W(addr);
-+ case Q40_ISA: return (u16 __iomem *)Q40_ISA_IO_W(addr);
-+#endif
-+#ifdef CONFIG_GG2
-+ case GG2_ISA: return (u16 __iomem *)GG2_ISA_IO_W(addr);
- #endif
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: return (u16 __iomem *)AG_ISA_IO_W(addr);
-+ case AG_ISA: return (u16 __iomem *)AG_ISA_IO_W(addr);
- #endif
-- default: return NULL; /* avoid warnings, just in case */
-- }
-+ default: return NULL; /* avoid warnings, just in case */
-+ }
- }
- static inline u32 __iomem *isa_itl(unsigned long addr)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: return (u32 __iomem *)AG_ISA_IO_W(addr);
-+ case AG_ISA: return (u32 __iomem *)AG_ISA_IO_W(addr);
- #endif
-- default: return 0; /* avoid warnings, just in case */
-- }
-+ default: return 0; /* avoid warnings, just in case */
-+ }
- }
- static inline u8 __iomem *isa_mtb(unsigned long addr)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_Q40
-- case ISA_TYPE_Q40: return (u8 __iomem *)Q40_ISA_MEM_B(addr);
-+ case Q40_ISA: return (u8 __iomem *)Q40_ISA_MEM_B(addr);
-+#endif
-+#ifdef CONFIG_GG2
-+ case GG2_ISA: return (u8 __iomem *)GG2_ISA_MEM_B(addr);
- #endif
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: return (u8 __iomem *)addr;
-+ case AG_ISA: return (u8 __iomem *)addr;
- #endif
-- default: return NULL; /* avoid warnings, just in case */
-- }
-+ default: return NULL; /* avoid warnings, just in case */
-+ }
- }
- static inline u16 __iomem *isa_mtw(unsigned long addr)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_Q40
-- case ISA_TYPE_Q40: return (u16 __iomem *)Q40_ISA_MEM_W(addr);
-+ case Q40_ISA: return (u16 __iomem *)Q40_ISA_MEM_W(addr);
-+#endif
-+#ifdef CONFIG_GG2
-+ case GG2_ISA: return (u16 __iomem *)GG2_ISA_MEM_W(addr);
- #endif
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: return (u16 __iomem *)addr;
-+ case AG_ISA: return (u16 __iomem *)addr;
- #endif
-- default: return NULL; /* avoid warnings, just in case */
-- }
-+ default: return NULL; /* avoid warnings, just in case */
-+ }
- }
-
-
-@@ -167,27 +213,30 @@ static inline u16 __iomem *isa_mtw(unsig
- #define isa_outw(val,port) (ISA_SEX ? out_be16(isa_itw(port),(val)) : out_le16(isa_itw(port),(val)))
- #define isa_outl(val,port) (ISA_SEX ? out_be32(isa_itl(port),(val)) : out_le32(isa_itl(port),(val)))
-
--#define isa_readb(p) in_8(isa_mtb((unsigned long)(p)))
--#define isa_readw(p) \
-- (ISA_SEX ? in_be16(isa_mtw((unsigned long)(p))) \
-- : in_le16(isa_mtw((unsigned long)(p))))
--#define isa_writeb(val,p) out_8(isa_mtb((unsigned long)(p)),(val))
--#define isa_writew(val,p) \
-- (ISA_SEX ? out_be16(isa_mtw((unsigned long)(p)),(val)) \
-- : out_le16(isa_mtw((unsigned long)(p)),(val)))
--
-+#define isa_readb(p) in_8(isa_mtb(p))
-+#define isa_readw(p) (ISA_SEX ? in_be16(isa_mtw(p)) : in_le16(isa_mtw(p)))
-+#define isa_writeb(val, p) out_8(isa_mtb(p), (val))
-+#define isa_writew(val, p) \
-+ (ISA_SEX ? out_be16(isa_mtw(p), (val)) : out_le16(isa_mtw(p), (val)))
- static inline void isa_delay(void)
- {
-- switch(ISA_TYPE)
-- {
-+ switch (ISA_TYPE) {
- #ifdef CONFIG_Q40
-- case ISA_TYPE_Q40: isa_outb(0,0x80); break;
-+ case Q40_ISA:
-+ isa_outb(0, 0x80);
-+ break;
-+#endif
-+#ifdef CONFIG_GG2
-+ case GG2_ISA:
-+ break;
- #endif
- #ifdef CONFIG_AMIGA_PCMCIA
-- case ISA_TYPE_AG: break;
-+ case AG_ISA:
-+ break;
- #endif
-- default: break; /* avoid warnings */
-- }
-+ default:
-+ break; /* avoid warnings */
-+ }
- }
-
- #define isa_inb_p(p) ({u8 v=isa_inb(p);isa_delay();v;})
-@@ -216,7 +265,10 @@ static inline void isa_delay(void)
- (ISA_SEX ? raw_outsl(isa_itl(port), (u32 *)(buf), (nr)) : \
- raw_outsw_swapw(isa_itw(port), (u16 *)(buf), (nr)<<1))
-
-+#endif /* CONFIG_ISA */
-
-+
-+#if defined(CONFIG_ISA) && !defined(CONFIG_PCI)
- #define inb isa_inb
- #define inb_p isa_inb_p
- #define outb isa_outb
-@@ -239,9 +291,80 @@ static inline void isa_delay(void)
- #define readw isa_readw
- #define writeb isa_writeb
- #define writew isa_writew
-+#endif /* CONFIG_ISA */
-+
-+#if defined(CONFIG_PCI)
-+
-+#define readl(addr) in_le32(addr)
-+#define writel(val, addr) out_le32((addr), (val))
-+
-+/* those can be defined for both ISA and PCI - it won't work though */
-+#define readb(addr) in_8(addr)
-+#define readw(addr) in_le16(addr)
-+#define writeb(val, addr) out_8((addr), (val))
-+#define writew(val, addr) out_le16((addr), (val))
-+
-+#define readb_relaxed(addr) readb(addr)
-+#define readw_relaxed(addr) readw(addr)
-+#define readl_relaxed(addr) readl(addr)
-+
-+#ifndef CONFIG_ISA
-+#define inb(port) in_8(port)
-+#define outb(val, port) out_8((port), (val))
-+#define inw(port) in_le16(port)
-+#define outw(val, port) out_le16((port), (val))
-+#define inl(port) in_le32(port)
-+#define outl(val, port) out_le32((port), (val))
-+#define insb(port, buf, nr) \
-+ raw_insb((u8 *)(port), (u8 *)(buf), (nr))
-+#define outsb(port, buf, nr) \
-+ raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
-+#define insw(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define outsw(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
-+#define insl(port, buf, nr) \
-+ raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+#define outsl(port, buf, nr) \
-+ raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
-+
-+#define __raw_readb readb
-+#define __raw_readw readw
-+#define __raw_readl readl
-+#define __raw_writeb writeb
-+#define __raw_writew writew
-+#define __raw_writel writel
-
--#else /* CONFIG_ISA */
-+#else
-+/*
-+ * kernel with both ISA and PCI compiled in, those have
-+ * conflicting defs for in/out. Simply consider port < 1024
-+ * ISA and everything else PCI. read,write not defined
-+ * in this case
-+ */
-+#define inb(port) ((port) < 1024 ? isa_inb(port) : in_8(port))
-+#define inb_p(port) ((port) < 1024 ? isa_inb_p(port) : in_8(port))
-+#define inw(port) ((port) < 1024 ? isa_inw(port) : in_le16(port))
-+#define inw_p(port) ((port) < 1024 ? isa_inw_p(port) : in_le16(port))
-+#define inl(port) ((port) < 1024 ? isa_inl(port) : in_le32(port))
-+#define inl_p(port) ((port) < 1024 ? isa_inl_p(port) : in_le32(port))
-+
-+#define outb(val, port) (((port) < 1024) ? isa_outb((val), (port))
-+ : out_8((port), (val)))
-+#define outb_p(val, port) (((port) < 1024) ? isa_outb_p((val), (port))
-+ : out_8((port), (val)))
-+#define outw(val, port) (((port) < 1024) ? isa_outw((val), (port))
-+ : out_le16((port), (val)))
-+#define outw_p(val, port) (((port) < 1024) ? isa_outw_p((val), (port))
-+ : out_le16((port), (val)))
-+#define outl(val, port) (((port) < 1024) ? isa_outl((val), (port))
-+ : out_le32((port), (val)))
-+#define outl_p(val, port) (((port) < 1024) ? isa_outl_p((val), (port))
-+ : out_le32((port), (val)))
-+#endif
-+#endif /* CONFIG_PCI */
-
-+#if !defined(CONFIG_ISA) && !defined(CONFIG_PCI)
- /*
- * We need to define dummy functions for GENERIC_IOMAP support.
- */
-@@ -272,11 +395,11 @@ static inline void isa_delay(void)
- #define writeb(val,addr) out_8((addr),(val))
- #define readw(addr) in_le16(addr)
- #define writew(val,addr) out_le16((addr),(val))
--
--#endif /* CONFIG_ISA */
--
-+#endif
-+#if !defined(CONFIG_PCI)
- #define readl(addr) in_le32(addr)
- #define writel(val,addr) out_le32((addr),(val))
-+#endif
-
- #define mmiowb()
-
-@@ -333,4 +456,5 @@ static inline void memcpy_toio(volatile
- */
- #define xlate_dev_kmem_ptr(p) p
-
-+#endif /* CONFIG_COLDFIRE */
- #endif /* _IO_H */
---- a/arch/m68k/include/asm/irq.h
-+++ b/arch/m68k/include/asm/irq.h
-@@ -1,14 +1,20 @@
--#ifndef _M68K_IRQ_H_
--#define _M68K_IRQ_H_
--
- /*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ *
- * This should be the same as the max(NUM_X_SOURCES) for all the
- * different m68k hosts compiled into the kernel.
- * Currently the Atari has 72 and the Amiga 24, but if both are
- * supported in the kernel it is better to make room for 72.
- */
-+#ifndef _M68K_IRQ_H_
-+#define _M68K_IRQ_H_
- #if defined(CONFIG_COLDFIRE)
--#define NR_IRQS 256
-+#define SYS_IRQS 256
-+#define NR_IRQS SYS_IRQS
- #elif defined(CONFIG_VME) || defined(CONFIG_SUN3) || defined(CONFIG_SUN3X)
- #define NR_IRQS 200
- #elif defined(CONFIG_ATARI) || defined(CONFIG_MAC)
---- a/arch/m68k/include/asm/machdep.h
-+++ b/arch/m68k/include/asm/machdep.h
-@@ -1,6 +1,12 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_MACHDEP_H
- #define _M68K_MACHDEP_H
--
- #include <linux/seq_file.h>
- #include <linux/interrupt.h>
-
-@@ -42,4 +48,11 @@ extern irqreturn_t arch_timer_interrupt(
- extern void config_BSP(char *command, int len);
- extern void do_IRQ(int irq, struct pt_regs *fp);
-
-+#ifdef CONFIG_COLDFIRE
-+extern void __init config_coldfire(void);
-+extern void __init mmu_context_init(void);
-+extern irq_handler_t mach_default_handler;
-+extern void (*mach_tick)(void);
-+#endif
-+
- #endif /* _M68K_MACHDEP_H */
---- /dev/null
-+++ b/arch/m68k/include/asm/mcfdspi.h
-@@ -0,0 +1,59 @@
-+/*
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Author: Andrey Butok
-+ *
-+ * This file is based on mcfqspi.h
-+ *
-+ * 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
-+ *
-+ ***************************************************************************
-+ * Changes:
-+ * v0.001 25 March 2008 Andrey Butok
-+ * Initial Release - developed on uClinux with 2.6.23 kernel.
-+ *
-+ */
-+
-+#ifndef MCFDSPI_H_
-+#define MCFDSPI_H_
-+
-+struct coldfire_dspi_chip {
-+ u8 mode;
-+ u8 bits_per_word;
-+ u16 void_write_data;
-+ /* Only used in master mode */
-+ u8 dbr; /* Double baud rate */
-+ u8 pbr; /* Baud rate prescaler */
-+ u8 br; /* Baud rate scaler */
-+ u8 pcssck; /* PCS to SCK delay prescaler */
-+ u8 pasc; /* After SCK delay prescaler */
-+ u8 pdt; /* Delay after transfer prescaler */
-+ u8 cssck; /* PCS to SCK delay scaler */
-+ u8 asc; /* After SCK delay scaler */
-+ u8 dt; /* Delay after transfer scaler */
-+};
-+
-+struct coldfire_spi_master {
-+ u16 bus_num;
-+ u16 num_chipselect;
-+ u8 irq_source;
-+ u32 irq_vector;
-+ u32 irq_mask;
-+ u8 irq_lp;
-+ u8 par_val;
-+ u16 par_val16;
-+ u32 *irq_list;
-+ void (*cs_control)(u8 cs, u8 command);
-+};
-+#endif /*MCFDSPI_H_*/
---- a/arch/m68k/include/asm/mcfsim.h
-+++ b/arch/m68k/include/asm/mcfsim.h
-@@ -5,6 +5,12 @@
- *
- * (C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com)
- * (C) Copyright 2000, Lineo Inc. (www.lineo.com)
-+ *
-+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
- */
-
- /****************************************************************************/
-@@ -45,5 +51,120 @@
- #include <asm/m54xxsim.h>
- #endif
-
-+#if defined(CONFIG_COLDFIRE)
-+#include <asm/coldfire.h>
-+#endif
-+
-+#if defined(CONFIG_M5445X)
-+#include <asm/mcf5445x_intc.h>
-+#include <asm/mcf5445x_gpio.h>
-+#include <asm/mcf5445x_ccm.h>
-+#include <asm/mcf5445x_eport.h>
-+#include <asm/mcf5445x_fbcs.h>
-+#include <asm/mcf5445x_xbs.h>
-+#include <asm/mcf5445x_dtim.h>
-+#include <asm/mcf5445x_rtc.h>
-+#include <asm/mcf5445x_scm.h>
-+#elif defined(CONFIG_M547X_8X)
-+#include <asm/m5485sim.h>
-+#include <asm/m5485gpio.h>
-+#include <asm/m5485gpt.h>
-+#elif defined(CONFIG_M5441X)
-+#include <asm/mcf5441x_intc.h>
-+#include <asm/mcf5441x_gpio.h>
-+#include <asm/mcf5441x_ccm.h>
-+#include <asm/mcf5441x_eport.h>
-+#include <asm/mcf5441x_fbcs.h>
-+#include <asm/mcf5441x_xbs.h>
-+#include <asm/mcf5441x_dtim.h>
-+#include <asm/mcf5441x_rtc.h>
-+#include <asm/mcf5441x_scm.h>
-+#include <asm/mcf5441x_pm.h>
-+#include <asm/mcf5441x_flexcan.h>
-+#include <asm/mcf5441x_clock.h>
-+#endif
-+
-+/*
-+ * Define the base address of the SIM within the MBAR address space.
-+ */
-+#define MCFSIM_BASE 0x0 /* Base address of SIM */
-+
-+
-+/*
-+ * Bit definitions for the ICR family of registers.
-+ */
-+#define MCFSIM_ICR_AUTOVEC 0x80 /* Auto-vectored intr */
-+#define MCFSIM_ICR_LEVEL0 0x00 /* Level 0 intr */
-+#define MCFSIM_ICR_LEVEL1 0x04 /* Level 1 intr */
-+#define MCFSIM_ICR_LEVEL2 0x08 /* Level 2 intr */
-+#define MCFSIM_ICR_LEVEL3 0x0c /* Level 3 intr */
-+#define MCFSIM_ICR_LEVEL4 0x10 /* Level 4 intr */
-+#define MCFSIM_ICR_LEVEL5 0x14 /* Level 5 intr */
-+#define MCFSIM_ICR_LEVEL6 0x18 /* Level 6 intr */
-+#define MCFSIM_ICR_LEVEL7 0x1c /* Level 7 intr */
-+
-+#define MCFSIM_ICR_PRI0 0x00 /* Priority 0 intr */
-+#define MCFSIM_ICR_PRI1 0x01 /* Priority 1 intr */
-+#define MCFSIM_ICR_PRI2 0x02 /* Priority 2 intr */
-+#define MCFSIM_ICR_PRI3 0x03 /* Priority 3 intr */
-+
-+/*
-+ * Bit definitions for the Interrupt Mask register (IMR).
-+ */
-+#define MCFSIM_IMR_EINT1 0x0002 /* External intr # 1 */
-+#define MCFSIM_IMR_EINT2 0x0004 /* External intr # 2 */
-+#define MCFSIM_IMR_EINT3 0x0008 /* External intr # 3 */
-+#define MCFSIM_IMR_EINT4 0x0010 /* External intr # 4 */
-+#define MCFSIM_IMR_EINT5 0x0020 /* External intr # 5 */
-+#define MCFSIM_IMR_EINT6 0x0040 /* External intr # 6 */
-+#define MCFSIM_IMR_EINT7 0x0080 /* External intr # 7 */
-+
-+#define MCFSIM_IMR_SWD 0x0100 /* Software Watchdog intr */
-+#define MCFSIM_IMR_TIMER1 0x0200 /* TIMER 1 intr */
-+#define MCFSIM_IMR_TIMER2 0x0400 /* TIMER 2 intr */
-+#define MCFSIM_IMR_MBUS 0x0800 /* MBUS intr */
-+#define MCFSIM_IMR_UART1 0x1000 /* UART 1 intr */
-+#define MCFSIM_IMR_UART2 0x2000 /* UART 2 intr */
-+
-+#if defined(CONFIG_M5206e)
-+#define MCFSIM_IMR_DMA1 0x4000 /* DMA 1 intr */
-+#define MCFSIM_IMR_DMA2 0x8000 /* DMA 2 intr */
-+#elif defined(CONFIG_M5249) || defined(CONFIG_M5307)
-+#define MCFSIM_IMR_DMA0 0x4000 /* DMA 0 intr */
-+#define MCFSIM_IMR_DMA1 0x8000 /* DMA 1 intr */
-+#define MCFSIM_IMR_DMA2 0x10000 /* DMA 2 intr */
-+#define MCFSIM_IMR_DMA3 0x20000 /* DMA 3 intr */
-+#endif
-+
-+/*
-+ * Mask for all of the SIM devices. Some parts have more or less
-+ * SIM devices. This is a catchall for the sandard set.
-+ */
-+#ifndef MCFSIM_IMR_MASKALL
-+#define MCFSIM_IMR_MASKALL 0x3ffe /* All intr sources */
-+#endif
-+
-+
-+/*
-+ * PIT interrupt settings, if not found in mXXXXsim.h file.
-+ */
-+#ifndef ICR_INTRCONF
-+#define ICR_INTRCONF 0x2b /* PIT1 level 5, priority 3 */
-+#endif
-+#ifndef MCFPIT_IMR
-+#define MCFPIT_IMR MCFINTC_IMRH
-+#endif
-+#ifndef MCFPIT_IMR_IBIT
-+#define MCFPIT_IMR_IBIT (1 << (MCFINT_PIT1 - 32))
-+#endif
-+
-+
-+#ifndef __ASSEMBLY__
-+/*
-+ * Definition for the interrupt auto-vectoring support.
-+ */
-+extern void mcf_autovector(unsigned int vec);
-+#endif /* __ASSEMBLY__ */
-+
- /****************************************************************************/
- #endif /* mcfsim_h */
---- a/arch/m68k/include/asm/mcfuart.h
-+++ b/arch/m68k/include/asm/mcfuart.h
-@@ -5,6 +5,11 @@
- *
- * (C) Copyright 1999-2003, Greg Ungerer (gerg@snapgear.com)
- * (C) Copyright 2000, Lineo Inc. (www.lineo.com)
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
- */
-
- /****************************************************************************/
-@@ -12,6 +17,59 @@
- #define mcfuart_h
- /****************************************************************************/
-
-+#if defined(CONFIG_M5445X)
-+#include <asm/mcf5445x_intc.h>
-+#define MCFUART_BASE1 0xfc060000 /* Base address of UART1 */
-+#define MCFUART_BASE2 0xfc064000 /* Base address of UART2 */
-+#define MCFUART_BASE3 0xfc068000 /* Base address of UART3 */
-+#define MCFINT_VECBASE 64
-+#define MCFINT_UART0 26
-+#define MCFINT_UART1 27
-+#elif defined(CONFIG_M547X_8X)
-+#define MCFUART_BASE1 0x8600 /* Base address of UART1 */
-+#define MCFUART_BASE2 0x8700 /* Base address of UART2 */
-+#define MCFUART_BASE3 0x8800 /* Base address of UART3 */
-+#define MCFUART_BASE4 0x8900 /* Base address of UART4 */
-+#define MCFINT_VECBASE 64
-+#define MCFINT_UART0 35
-+#define MCFINT_UART1 34
-+#define MCFINT_UART2 33
-+#define MCFINT_UART3 32
-+#elif defined(CONFIG_M5441X)
-+#define MCFUART_BASE0 0xfc060000 /* Base address of UART1 */
-+#define MCFUART_BASE1 0xfc064000 /* Base address of UART2 */
-+#define MCFUART_BASE2 0xfc068000 /* Base address of UART3 */
-+#define MCFUART_BASE3 0xfc06C000 /* Base address of UART4 */
-+#define MCFUART_BASE4 0xec060000
-+#define MCFUART_BASE5 0xec064000
-+#define MCFUART_BASE6 0xec068000
-+#define MCFUART_BASE7 0xec06C000
-+#define MCFUART_BASE8 0xec070000
-+#define MCFUART_BASE9 0xec074000
-+
-+#define MCFINT0_VECBASE 64
-+#define MCFINT1_VECBASE (64 + 64)
-+#define MCFINT_UART0 26
-+#define MCFINT_UART1 27
-+#define MCFINT_UART2 28
-+#define MCFINT_UART3 29
-+#define MCFINT_UART4 48
-+#define MCFINT_UART5 49
-+#define MCFINT_UART6 50
-+#define MCFINT_UART7 51
-+#define MCFINT_UART8 52
-+#define MCFINT_UART9 53
-+#endif
-+
-+#if defined(CONFIG_M5441X)
-+#define MAX_PORT_NUM 10
-+#elif defined(CONFIG_M547X_8X)
-+#define MAX_PORT_NUM 4
-+#else
-+#define MAX_PORT_NUM 3
-+#endif
-+
-+#ifndef __ASSEMBLY__
- #include <linux/serial_core.h>
- #include <linux/platform_device.h>
-
-@@ -21,6 +79,7 @@ struct mcf_platform_uart {
- unsigned int irq; /* Interrupt vector */
- unsigned int uartclk; /* UART clock rate */
- };
-+#endif
-
- /*
- * Define the ColdFire UART register set addresses.
-@@ -94,6 +153,11 @@ struct mcf_platform_uart {
- #define MCFUART_USR_RXFULL 0x02 /* Receiver full */
- #define MCFUART_USR_RXREADY 0x01 /* Receiver ready */
-
-+#if defined(CONFIG_M547X_8X)
-+#define MCFUART_USR_TXREADY_BN 0x0a
-+#define MCFUART_USR_TXEMPTY_BN 0x0b
-+#endif
-+
- #define MCFUART_USR_RXERR (MCFUART_USR_RXBREAK | MCFUART_USR_RXFRAMING | \
- MCFUART_USR_RXPARITY | MCFUART_USR_RXOVERRUN)
-
---- a/arch/m68k/include/asm/mmu.h
-+++ b/arch/m68k/include/asm/mmu.h
-@@ -1,9 +1,22 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef __MMU_H
- #define __MMU_H
--
- #ifdef CONFIG_MMU
-+#ifdef CONFIG_VDSO
-+typedef struct {
-+ unsigned long id;
-+ void *vdso;
-+} mm_context_t;
-+#else
- /* Default "unsigned long" context */
- typedef unsigned long mm_context_t;
-+#endif
- #else
- typedef struct {
- unsigned long end_brk;
---- a/arch/m68k/include/asm/mmu_context.h
-+++ b/arch/m68k/include/asm/mmu_context.h
-@@ -1,14 +1,21 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef __M68K_MMU_CONTEXT_H
- #define __M68K_MMU_CONTEXT_H
--
- #include <asm-generic/mm_hooks.h>
-+#include <asm-generic/pgtable.h>
-
- static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
- {
- }
-
- #ifdef CONFIG_MMU
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
-
- #include <asm/setup.h>
- #include <asm/page.h>
-@@ -103,7 +110,7 @@ static inline void activate_mm(struct mm
- switch_mm_0460(next_mm);
- }
-
--#else /* CONFIG_SUN3 */
-+#elif defined(CONFIG_SUN3)
- #include <asm/sun3mmu.h>
- #include <linux/sched.h>
-
-@@ -151,7 +158,178 @@ static inline void activate_mm(struct mm
- activate_context(next_mm);
- }
-
-+#else /* CONFIG_COLDFIRE */
-+
-+#include <asm/coldfire.h>
-+#include <asm/atomic.h>
-+#include <asm/bitops.h>
-+#include <asm/mmu.h>
-+
-+#define NO_CONTEXT 256
-+#define LAST_CONTEXT 255
-+#define FIRST_CONTEXT 1
-+
-+#ifdef CONFIG_VDSO
-+#define cpu_context(mm) ((mm)->context.id)
-+#else
-+#define cpu_context(mm) ((mm)->context)
-+#endif
-+
-+#ifdef CONFIG_VDSO
-+extern void set_context(unsigned long context, pgd_t *pgd);
-+#else
-+extern void set_context(mm_context_t context, pgd_t *pgd);
- #endif
-+extern unsigned long context_map[];
-+#ifdef CONFIG_VDSO
-+extern unsigned long next_mmu_context;
-+#else
-+extern mm_context_t next_mmu_context;
-+#endif
-+
-+extern atomic_t nr_free_contexts;
-+extern struct mm_struct *context_mm[LAST_CONTEXT+1];
-+extern void steal_context(void);
-+
-+static inline void get_mmu_context(struct mm_struct *mm)
-+{
-+#ifdef CONFIG_VDSO
-+ unsigned long ctx;
-+#else
-+ mm_context_t ctx;
-+#endif
-+
-+ if (cpu_context(mm) != NO_CONTEXT)
-+ return;
-+ while (atomic_dec_and_test_lt(&nr_free_contexts)) {
-+ atomic_inc(&nr_free_contexts);
-+ steal_context();
-+ }
-+ ctx = next_mmu_context;
-+ while (test_and_set_bit(ctx, context_map)) {
-+ ctx = find_next_zero_bit(context_map, LAST_CONTEXT+1, ctx);
-+ if (ctx > LAST_CONTEXT)
-+ ctx = 0;
-+ }
-+ next_mmu_context = (ctx + 1) & LAST_CONTEXT;
-+ cpu_context(mm) = ctx;
-+ context_mm[ctx] = mm;
-+}
-+
-+/*
-+ * Set up the context for a new address space.
-+ */
-+#define init_new_context(tsk, mm) ((cpu_context(mm) = NO_CONTEXT), 0)
-+/* #define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) */
-+
-+/*
-+ * We're finished using the context for an address space.
-+ */
-+static inline void destroy_context(struct mm_struct *mm)
-+{
-+ if (cpu_context(mm) != NO_CONTEXT) {
-+ clear_bit(cpu_context(mm), context_map);
-+ cpu_context(mm) = NO_CONTEXT;
-+ atomic_inc(&nr_free_contexts);
-+ }
-+}
-+
-+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
-+ struct task_struct *tsk)
-+{
-+ get_mmu_context(tsk->mm);
-+ set_context(cpu_context(tsk->mm), next->pgd);
-+}
-+
-+/*
-+ * After we have set current->mm to a new value, this activates
-+ * the context for the new mm so we see the new mappings.
-+ */
-+static inline void activate_mm(struct mm_struct *active_mm,
-+ struct mm_struct *mm)
-+{
-+ get_mmu_context(mm);
-+ set_context(cpu_context(mm), mm->pgd);
-+}
-+
-+#define deactivate_mm(tsk, mm) do { } while (0)
-+
-+extern void mmu_context_init(void);
-+#if defined(CONFIG_M547X_8X)
-+#define prepare_arch_switch(next) load_ksp_mmu(next)
-+
-+static inline void load_ksp_mmu(struct task_struct *task)
-+{
-+ unsigned long flags;
-+ struct mm_struct *mm;
-+ int asid;
-+ pgd_t *pgd;
-+ pmd_t *pmd;
-+ pte_t *pte;
-+ unsigned long mmuar;
-+
-+ local_irq_save(flags);
-+ mmuar = task->thread.ksp;
-+
-+ /* Search for a valid TLB entry, if one is found, don't remap */
-+ *MMUAR = mmuar;
-+ *MMUOR = MMUOR_STLB | MMUOR_ADR;
-+ if ((*MMUSR) & MMUSR_HIT)
-+ goto end;
-+
-+ if (mmuar >= PAGE_OFFSET) {
-+ mm = &init_mm;
-+ } else {
-+ printk(KERN_INFO "load_ksp_mmu: non-kernel"
-+ " mm found: 0x%08x\n",
-+ (unsigned int) task->mm);
-+ mm = task->mm;
-+ }
-+
-+ if (!mm)
-+ goto bug;
-+
-+ pgd = pgd_offset(mm, mmuar);
-+ if (pgd_none(*pgd))
-+ goto bug;
-+
-+ pmd = pmd_offset(pgd, mmuar);
-+ if (pmd_none(*pmd))
-+ goto bug;
-+
-+ pte = (mmuar >= PAGE_OFFSET) ? pte_offset_kernel(pmd, mmuar)
-+ : pte_offset_map(pmd, mmuar);
-+ if (pte_none(*pte) || !pte_present(*pte))
-+ goto bug;
-+
-+ set_pte(pte, pte_mkyoung(*pte));
-+ asid = cpu_context(mm) & 0xff;
-+ if (!pte_dirty(*pte) && mmuar <= PAGE_OFFSET)
-+ set_pte(pte, pte_wrprotect(*pte));
-+
-+ *MMUTR = (mmuar & PAGE_MASK) | (asid << CF_ASID_MMU_SHIFT)
-+ | (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK)
-+ >> CF_PAGE_MMUTR_SHIFT)
-+ | MMUTR_V;
-+
-+ *MMUDR = (pte_val(*pte) & PAGE_MASK)
-+ | ((pte->pte) & CF_PAGE_MMUDR_MASK)
-+ | MMUDR_SZ8K | MMUDR_X;
-+
-+ *MMUOR = MMUOR_ACC | MMUOR_UAA;
-+ asm ("nop");
-+
-+ goto end;
-+
-+bug:
-+ printk(KERN_ERR "ksp load failed: mm=0x%08x ksp=0x%08x\n",
-+ (unsigned int) mm, (unsigned int) mmuar);
-+end:
-+ local_irq_restore(flags);
-+}
-+#endif /* CONFIG_M547X_8X */
-+#endif /* CONFIG_COLDFIRE */
-+
- #else /* !CONFIG_MMU */
-
- static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
---- a/arch/m68k/include/asm/page.h
-+++ b/arch/m68k/include/asm/page.h
-@@ -1,12 +1,18 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_PAGE_H
- #define _M68K_PAGE_H
--
- #include <linux/const.h>
- #include <asm/setup.h>
- #include <asm/page_offset.h>
-
- /* PAGE_SHIFT determines the page size */
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- #define PAGE_SHIFT (12)
- #else
- #define PAGE_SHIFT (13)
---- a/arch/m68k/include/asm/page_mm.h
-+++ b/arch/m68k/include/asm/page_mm.h
-@@ -1,5 +1,17 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_PAGE_MM_H
- #define _M68K_PAGE_MM_H
-+#if PAGE_SHIFT < 13
-+#define THREAD_SIZE (8192)
-+#else
-+#define THREAD_SIZE PAGE_SIZE
-+#endif
-
- #ifndef __ASSEMBLY__
-
-@@ -70,6 +82,49 @@ extern unsigned long m68k_memoffset;
-
- #define WANT_PAGE_VIRTUAL
-
-+#if defined(CONFIG_COLDFIRE)
-+extern unsigned long cf_dma_base;
-+extern unsigned long cf_dma_end;
-+
-+static inline unsigned long ___pa(void *vaddr)
-+{
-+#if CONFIG_SDRAM_BASE != PAGE_OFFSET
-+ return ((unsigned long)vaddr & 0x0fffffff) + CONFIG_SDRAM_BASE;
-+#else
-+ if ((unsigned long)vaddr >= CONFIG_DMA_BASE &&
-+ (unsigned long)vaddr < (CONFIG_DMA_BASE + CONFIG_DMA_SIZE)) {
-+ /* address is in carved out DMA range */
-+ return ((unsigned long)vaddr - CONFIG_DMA_BASE)
-+ + CONFIG_SDRAM_BASE;
-+ } else if ((unsigned long)vaddr >= PAGE_OFFSET &&
-+ (unsigned long)vaddr < (PAGE_OFFSET + CONFIG_SDRAM_SIZE)) {
-+ /* normal mapping */
-+ return ((unsigned long)vaddr - PAGE_OFFSET) + CONFIG_SDRAM_BASE;
-+ }
-+
-+ return (unsigned long)vaddr;
-+#endif
-+}
-+#define __pa(vaddr) ___pa((void *)(vaddr))
-+
-+static inline void *__va(unsigned long paddr)
-+{
-+#if CONFIG_SDRAM_BASE != PAGE_OFFSET
-+ return (void *)((paddr & 0x0fffffff) + PAGE_OFFSET);
-+#else
-+ if (paddr >= cf_dma_base && paddr <= cf_dma_end) {
-+ /* mapped address for DMA */
-+ return (void *)((paddr - CONFIG_SDRAM_BASE) + CONFIG_DMA_BASE);
-+ } else if (paddr >= cf_dma_end &&
-+ paddr < (CONFIG_SDRAM_BASE + CONFIG_SDRAM_SIZE)) {
-+ /* normal mapping */
-+ return (void *)((paddr - CONFIG_SDRAM_BASE) + PAGE_OFFSET);
-+ }
-+ return (void *)paddr;
-+#endif
-+}
-+
-+#else
- static inline unsigned long ___pa(void *vaddr)
- {
- unsigned long paddr;
-@@ -91,6 +146,7 @@ static inline void *__va(unsigned long p
- : "0" (paddr), "i" (m68k_fixup_memoffset));
- return vaddr;
- }
-+#endif
-
- #else /* !CONFIG_SUN3 */
- /* This #define is a horrible hack to suppress lots of warnings. --m */
-@@ -176,4 +232,9 @@ static inline __attribute_const__ int __
- #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-
-+#ifdef CONFIG_VDSO
-+/* vDSO support */
-+#define __HAVE_ARCH_GATE_AREA
-+#endif
-+
- #endif /* _M68K_PAGE_MM_H */
---- a/arch/m68k/include/asm/page_offset.h
-+++ b/arch/m68k/include/asm/page_offset.h
-@@ -1,10 +1,21 @@
--/* This handles the memory map.. */
--
-+/*
-+ * Page and physical memory maps.
-+ *
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifdef CONFIG_MMU
--#ifndef CONFIG_SUN3
--#define PAGE_OFFSET_RAW 0x00000000
--#else
-+#if defined(CONFIG_SUN3)
- #define PAGE_OFFSET_RAW 0x0E000000
-+#elif defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X) \
-+ || defined(CONFIG_M5441X)
-+#define PHYS_OFFSET CONFIG_SDRAM_BASE
-+#define PAGE_OFFSET_RAW (PHYS_OFFSET)
-+#else
-+#define PAGE_OFFSET_RAW 0x00000000
- #endif
- #else
- #define PAGE_OFFSET_RAW CONFIG_RAMBASE
---- a/arch/m68k/include/asm/pgalloc.h
-+++ b/arch/m68k/include/asm/pgalloc.h
-@@ -1,14 +1,22 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef M68K_PGALLOC_H
- #define M68K_PGALLOC_H
--
- #include <linux/mm.h>
- #include <linux/highmem.h>
- #include <asm/setup.h>
-
- #ifdef CONFIG_MMU
- #include <asm/virtconvert.h>
--#ifdef CONFIG_SUN3
-+#if defined(CONFIG_SUN3)
- #include <asm/sun3_pgalloc.h>
-+#elif defined(CONFIG_COLDFIRE)
-+#include <asm/cf_pgalloc.h>
- #else
- #include <asm/motorola_pgalloc.h>
- #endif
---- a/arch/m68k/include/asm/pgtable_mm.h
-+++ b/arch/m68k/include/asm/pgtable_mm.h
-@@ -1,6 +1,12 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_PGTABLE_H
- #define _M68K_PGTABLE_H
--
- #include <asm-generic/4level-fixup.h>
-
- #include <asm/setup.h>
-@@ -40,6 +46,8 @@
- /* PGDIR_SHIFT determines what a third-level page table entry can map */
- #ifdef CONFIG_SUN3
- #define PGDIR_SHIFT 17
-+#elif defined(CONFIG_COLDFIRE)
-+#define PGDIR_SHIFT 22
- #else
- #define PGDIR_SHIFT 25
- #endif
-@@ -54,6 +62,10 @@
- #define PTRS_PER_PTE 16
- #define PTRS_PER_PMD 1
- #define PTRS_PER_PGD 2048
-+#elif defined(CONFIG_COLDFIRE)
-+#define PTRS_PER_PTE 512
-+#define PTRS_PER_PMD 1
-+#define PTRS_PER_PGD 1024
- #else
- #define PTRS_PER_PTE 1024
- #define PTRS_PER_PMD 8
-@@ -66,6 +78,18 @@
- #ifdef CONFIG_SUN3
- #define KMAP_START 0x0DC00000
- #define KMAP_END 0x0E000000
-+#elif defined(CONFIG_COLDFIRE)
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X)
-+#define VMALLOC_START 0xc0000000
-+#define VMALLOC_END 0xcfffffff
-+#define KMAP_START (VMALLOC_END + 1)
-+#define KMAP_END (0xe8000000 - 1)
-+#elif defined(CONFIG_M5441X)
-+#define VMALLOC_START 0xc0000000
-+#define VMALLOC_END 0xcfffffff
-+#define KMAP_START (VMALLOC_END + 1)
-+#define KMAP_END (0xd8000000 - 1)
-+#endif
- #else
- #define KMAP_START 0xd0000000
- #define KMAP_END 0xf0000000
-@@ -79,9 +103,11 @@
- * The vmalloc() routines leaves a hole of 4kB between each vmalloced
- * area for the same reason. ;)
- */
-+#if !defined(CONFIG_COLDFIRE)
- #define VMALLOC_OFFSET (8*1024*1024)
- #define VMALLOC_START (((unsigned long) high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
- #define VMALLOC_END KMAP_START
-+#endif
- #else
- extern unsigned long m68k_vmalloc_end;
- #define VMALLOC_START 0x0f800000
-@@ -130,6 +156,8 @@ static inline void update_mmu_cache(stru
-
- #ifdef CONFIG_SUN3
- #include <asm/sun3_pgtable.h>
-+#elif defined(CONFIG_COLDFIRE)
-+#include <asm/cf_pgtable.h>
- #else
- #include <asm/motorola_pgtable.h>
- #endif
-@@ -143,6 +171,10 @@ static inline void update_mmu_cache(stru
- #else
- # define __SUN3_PAGE_NOCACHE 0
- #endif
-+
-+#ifdef CONFIG_COLDFIRE
-+# define pgprot_noncached(prot) (__pgprot(pgprot_val(prot) | CF_PAGE_NOCACHE))
-+#else /* CONFIG_COLDFIRE */
- #define pgprot_noncached(prot) \
- (MMU_IS_SUN3 \
- ? (__pgprot(pgprot_val(prot) | __SUN3_PAGE_NOCACHE)) \
-@@ -151,7 +183,7 @@ static inline void update_mmu_cache(stru
- : (MMU_IS_040 || MMU_IS_060) \
- ? (__pgprot((pgprot_val(prot) & _CACHEMASK040) | _PAGE_NOCACHE_S)) \
- : (prot)))
--
-+#endif /* CONFIG_COLDFIRE */
- #include <asm-generic/pgtable.h>
- #endif /* !__ASSEMBLY__ */
-
---- a/arch/m68k/include/asm/processor.h
-+++ b/arch/m68k/include/asm/processor.h
-@@ -2,6 +2,11 @@
- * include/asm-m68k/processor.h
- *
- * Copyright (C) 1995 Hamish Macdonald
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
- */
-
- #ifndef __ASM_M68K_PROCESSOR_H
-@@ -23,6 +28,10 @@ static inline unsigned long rdusp(void)
- #ifdef CONFIG_COLDFIRE_SW_A7
- extern unsigned int sw_usp;
- return sw_usp;
-+#elif defined(CONFIG_COLDFIRE)
-+ unsigned long usp;
-+ __asm__ __volatile__("movel %/usp,%0" : "=a" (usp));
-+ return usp;
- #else
- register unsigned long usp __asm__("a0");
- /* move %usp,%a0 */
-@@ -36,6 +45,8 @@ static inline void wrusp(unsigned long u
- #ifdef CONFIG_COLDFIRE_SW_A7
- extern unsigned int sw_usp;
- sw_usp = usp;
-+#elif defined(CONFIG_COLDFIRE)
-+ __asm__ __volatile__("movel %0,%/usp" : : "a" (usp));
- #else
- register unsigned long a0 __asm__("a0") = usp;
- /* move %a0,%usp */
-@@ -48,11 +59,17 @@ static inline void wrusp(unsigned long u
- * so don't change it unless you know what you are doing.
- */
- #ifdef CONFIG_MMU
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- #define TASK_SIZE (0xF0000000UL)
-+#elif defined(CONFIG_COLDFIRE)
-+#define TASK_SIZE (0xC0000000UL)
-+#else /* CONFIG_SUN3 */
-+#ifdef __ASSEMBLY__
-+#define TASK_SIZE (0x0E000000)
- #else
- #define TASK_SIZE (0x0E000000UL)
- #endif
-+#endif
- #else
- #define TASK_SIZE (0xFFFFFFFFUL)
- #endif
-@@ -66,8 +83,10 @@ static inline void wrusp(unsigned long u
- * space during mmap's.
- */
- #ifdef CONFIG_MMU
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- #define TASK_UNMAPPED_BASE 0xC0000000UL
-+#elif defined(CONFIG_COLDFIRE)
-+#define TASK_UNMAPPED_BASE 0x60000000UL
- #else
- #define TASK_UNMAPPED_BASE 0x0A000000UL
- #endif
-@@ -80,7 +99,11 @@ struct thread_struct {
- unsigned long ksp; /* kernel stack pointer */
- unsigned long usp; /* user stack pointer */
- unsigned short sr; /* saved status register */
-+#ifndef CONFIG_COLDFIRE
- unsigned short fs; /* saved fs (sfc, dfc) */
-+#else
-+ mm_segment_t fs;
-+#endif
- unsigned long crp[2]; /* cpu root pointer */
- unsigned long esp0; /* points to SR of stack frame */
- unsigned long faddr; /* info about last fault */
-@@ -102,6 +125,7 @@ struct thread_struct {
- /*
- * Do necessary setup to start up a newly executed thread.
- */
-+#ifndef CONFIG_COLDFIRE
- static inline void start_thread(struct pt_regs * regs, unsigned long pc,
- unsigned long usp)
- {
-@@ -112,7 +136,24 @@ static inline void start_thread(struct p
- regs->sr &= ~0x2000;
- wrusp(usp);
- }
-+#else
-+/*
-+ * Do necessary setup to start up a newly executed thread.
-+ *
-+ * pass the data segment into user programs if it exists,
-+ * it can't hurt anything as far as I can tell
-+ */
-+#define start_thread(_regs, _pc, _usp) \
-+do { \
-+ set_fs(USER_DS); /* reads from user space */ \
-+ (_regs)->pc = (_pc); \
-+ if (current->mm) \
-+ (_regs)->d5 = current->mm->start_data; \
-+ (_regs)->sr &= ~0x2000; \
-+ wrusp(_usp); \
-+} while (0)
-
-+#endif
- #else
-
- /*
---- a/arch/m68k/include/asm/ptrace.h
-+++ b/arch/m68k/include/asm/ptrace.h
-@@ -1,3 +1,10 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_PTRACE_H
- #define _M68K_PTRACE_H
-
-@@ -27,27 +34,38 @@
- stack during a system call. */
-
- struct pt_regs {
-- long d1;
-- long d2;
-- long d3;
-- long d4;
-- long d5;
-- long a0;
-- long a1;
-- long a2;
-- long d0;
-- long orig_d0;
-- long stkadj;
-+ long d1;
-+ long d2;
-+ long d3;
-+ long d4;
-+ long d5;
-+ long a0;
-+ long a1;
-+ long a2;
-+ long d0;
-+ long orig_d0;
-+ long stkadj;
- #ifdef CONFIG_COLDFIRE
-+#if 0
- unsigned format : 4; /* frame format specifier */
- unsigned vector : 12; /* vector offset */
- unsigned short sr;
- unsigned long pc;
-+#endif
-+/*FROM BSP*/
-+ unsigned long mmuar;
-+ unsigned long mmusr;
-+ unsigned format:4; /* frame format specifier */
-+ unsigned fs2:2;
-+ unsigned vector:8;
-+ unsigned fs1:2;
-+ unsigned short sr;
-+ unsigned long pc;
- #else
-- unsigned short sr;
-- unsigned long pc;
-- unsigned format : 4; /* frame format specifier */
-- unsigned vector : 12; /* vector offset */
-+ unsigned short sr;
-+ unsigned long pc;
-+ unsigned format:4; /* frame format specifier */
-+ unsigned vector:12; /* vector offset */
- #endif
- };
-
---- a/arch/m68k/include/asm/raw_io.h
-+++ b/arch/m68k/include/asm/raw_io.h
-@@ -3,11 +3,19 @@
- *
- * 10/20/00 RZ: - created from bits of io.h and ide.h to cleanup namespace
- *
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
- */
--
- #ifndef _RAW_IO_H
- #define _RAW_IO_H
-
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_raw_io.h>
-+#else
-+
- #ifdef __KERNEL__
-
- #include <asm/types.h>
-@@ -60,6 +68,9 @@ extern void __iounmap(void *addr, unsign
- #define __raw_writew(val,addr) out_be16((addr),(val))
- #define __raw_writel(val,addr) out_be32((addr),(val))
-
-+#define swap_inw(port) in_le16((port))
-+#define swap_outw(val, port) out_le16((port), (val))
-+
- static inline void raw_insb(volatile u8 __iomem *port, u8 *buf, unsigned int len)
- {
- unsigned int i;
-@@ -344,4 +355,6 @@ static inline void raw_outsw_swapw(volat
-
- #endif /* __KERNEL__ */
-
-+#endif /* CONFIG_COLDFIRE */
-+
- #endif /* _RAW_IO_H */
---- a/arch/m68k/include/asm/segment.h
-+++ b/arch/m68k/include/asm/segment.h
-@@ -1,3 +1,10 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_SEGMENT_H
- #define _M68K_SEGMENT_H
-
-@@ -29,6 +36,7 @@ typedef struct {
- * Get/set the SFC/DFC registers for MOVES instructions
- */
-
-+#ifndef CONFIG_COLDFIRE
- static inline mm_segment_t get_fs(void)
- {
- #ifdef CONFIG_MMU
-@@ -56,6 +64,15 @@ static inline void set_fs(mm_segment_t v
- #endif
- }
-
-+#else /* CONFIG_COLDFIRE */
-+
-+#include <asm/current.h>
-+#define get_fs() (current->thread.fs)
-+#define set_fs(val) (current->thread.fs = (val))
-+#define get_ds() (KERNEL_DS)
-+
-+#endif /* CONFIG_COLDFIRE */
-+
- #define segment_eq(a,b) ((a).seg == (b).seg)
-
- #endif /* __ASSEMBLY__ */
---- a/arch/m68k/include/asm/setup.h
-+++ b/arch/m68k/include/asm/setup.h
-@@ -2,6 +2,7 @@
- ** asm/setup.h -- Definition of the Linux/m68k setup information
- **
- ** Copyright 1992 by Greg Harp
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
- **
- ** 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
-@@ -40,6 +41,7 @@
- #define MACH_HP300 9
- #define MACH_Q40 10
- #define MACH_SUN3X 11
-+#define MACH_CFMMU 12
-
- #define COMMAND_LINE_SIZE 256
-
-@@ -189,6 +191,14 @@ extern unsigned long m68k_machtype;
- # define MACH_TYPE (MACH_SUN3X)
- #endif
-
-+#if !defined(CONFIG_COLDFIRE)
-+# define MACH_IS_COLDFIRE (0)
-+#else
-+# define CONFIG_COLDFIRE_ONLY
-+# define MACH_IS_COLDFIRE (1)
-+# define MACH_TYPE (MACH_CFMMU)
-+#endif
-+
- #ifndef MACH_TYPE
- # define MACH_TYPE (m68k_machtype)
- #endif
-@@ -211,23 +221,31 @@ extern unsigned long m68k_machtype;
- #define CPUB_68030 1
- #define CPUB_68040 2
- #define CPUB_68060 3
-+#define CPUB_CFV4E 4
-
- #define CPU_68020 (1<<CPUB_68020)
- #define CPU_68030 (1<<CPUB_68030)
- #define CPU_68040 (1<<CPUB_68040)
- #define CPU_68060 (1<<CPUB_68060)
-+#define CPU_CFV4E (1<<CPUB_CFV4E)
-
- #define FPUB_68881 0
- #define FPUB_68882 1
- #define FPUB_68040 2 /* Internal FPU */
- #define FPUB_68060 3 /* Internal FPU */
- #define FPUB_SUNFPA 4 /* Sun-3 FPA */
-+#define FPUB_CFV4E 5
-
- #define FPU_68881 (1<<FPUB_68881)
- #define FPU_68882 (1<<FPUB_68882)
- #define FPU_68040 (1<<FPUB_68040)
- #define FPU_68060 (1<<FPUB_68060)
- #define FPU_SUNFPA (1<<FPUB_SUNFPA)
-+#ifdef CONFIG_M547X_8X
-+#define FPU_CFV4E (1<<FPUB_CFV4E)
-+#else
-+#define FPU_CFV4E 0
-+#endif
-
- #define MMUB_68851 0
- #define MMUB_68030 1 /* Internal MMU */
-@@ -235,6 +253,7 @@ extern unsigned long m68k_machtype;
- #define MMUB_68060 3 /* Internal MMU */
- #define MMUB_APOLLO 4 /* Custom Apollo */
- #define MMUB_SUN3 5 /* Custom Sun-3 */
-+#define MMUB_CFV4E 6
-
- #define MMU_68851 (1<<MMUB_68851)
- #define MMU_68030 (1<<MMUB_68030)
-@@ -242,6 +261,7 @@ extern unsigned long m68k_machtype;
- #define MMU_68060 (1<<MMUB_68060)
- #define MMU_SUN3 (1<<MMUB_SUN3)
- #define MMU_APOLLO (1<<MMUB_APOLLO)
-+#define MMU_CFV4E (1<<MMUB_CFV4E)
-
- #ifdef __KERNEL__
-
-@@ -341,6 +361,14 @@ extern int m68k_is040or060;
- # endif
- #endif
-
-+#if !defined(CONFIG_CFV4E)
-+# define CPU_IS_COLDFIRE (0)
-+#else
-+# define CPU_IS_COLDFIRE (m68k_cputype & CPU_CFV4E)
-+# define CPU_IS_CFV4E (m68k_cputype & CPU_CFV4E)
-+# define MMU_IS_CFV4E (m68k_mmutype & MMU_CFV4E)
-+#endif
-+
- #define CPU_TYPE (m68k_cputype)
-
- #ifdef CONFIG_M68KFPU_EMU
-@@ -371,6 +399,14 @@ extern int m68k_realnum_memory; /* real
- extern struct mem_info m68k_memory[NUM_MEMINFO];/* memory description */
- #endif
-
-+#ifdef CONFIG_CFV4E
-+#define QCHIP_RESTORE_DIRECTIVE ".chip 547x"
-+#define CHIP_RESTORE_DIRECTIVE .chip 547x
-+#else
-+#define QCHIP_RESTORE_DIRECTIVE ".chip 68k"
-+#define CHIP_RESTORE_DIRECTIVE .chip 68k
-+#endif
-+
- #endif /* __KERNEL__ */
-
- #endif /* _M68K_SETUP_H */
---- a/arch/m68k/include/asm/signal.h
-+++ b/arch/m68k/include/asm/signal.h
-@@ -1,6 +1,12 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_SIGNAL_H
- #define _M68K_SIGNAL_H
--
- #include <linux/types.h>
-
- /* Avoid too many header ordering problems. */
-@@ -150,7 +156,7 @@ typedef struct sigaltstack {
- #ifdef __KERNEL__
- #include <asm/sigcontext.h>
-
--#ifndef __uClinux__
-+#ifndef CONFIG_COLDFIRE /*FIXME Jason*/
- #define __HAVE_ARCH_SIG_BITOPS
-
- static inline void sigaddset(sigset_t *set, int _sig)
---- a/arch/m68k/include/asm/string.h
-+++ b/arch/m68k/include/asm/string.h
-@@ -1,6 +1,12 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_STRING_H_
- #define _M68K_STRING_H_
--
- #include <linux/types.h>
- #include <linux/compiler.h>
-
-@@ -81,6 +87,18 @@ static inline char *strncpy(char *dest,
- strcpy(__d + strlen(__d), (s)); \
- })
-
-+#define __HAVE_ARCH_STRCHR
-+static inline char *strchr(const char *s, int c)
-+{
-+ char sc, ch = c;
-+
-+ for (; (sc = *s++) != ch; ) {
-+ if (!sc)
-+ return NULL;
-+ }
-+ return (char *)s - 1;
-+}
-+
- #ifndef CONFIG_COLDFIRE
- #define __HAVE_ARCH_STRCMP
- static inline int strcmp(const char *cs, const char *ct)
---- a/arch/m68k/include/asm/swab.h
-+++ b/arch/m68k/include/asm/swab.h
-@@ -1,11 +1,18 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_SWAB_H
- #define _M68K_SWAB_H
--
- #include <linux/types.h>
- #include <linux/compiler.h>
-
- #define __SWAB_64_THRU_32__
-
-+#if defined(__GNUC__)
- #if defined (__mcfisaaplus__) || defined (__mcfisac__)
- static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
- {
-@@ -23,5 +30,11 @@ static inline __attribute_const__ __u32
- }
- #define __arch_swab32 __arch_swab32
- #endif
-+#endif
-+
-+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
-+# define __BYTEORDER_HAS_U64__
-+# define __SWAB_64_THRU_32__
-+#endif
-
- #endif /* _M68K_SWAB_H */
---- a/arch/m68k/include/asm/system_mm.h
-+++ b/arch/m68k/include/asm/system_mm.h
-@@ -1,14 +1,35 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_SYSTEM_H
- #define _M68K_SYSTEM_H
--
- #include <linux/linkage.h>
- #include <linux/kernel.h>
- #include <linux/irqflags.h>
- #include <asm/segment.h>
- #include <asm/entry.h>
-+#include <asm/cfcache.h>
-
- #ifdef __KERNEL__
-
-+#ifdef CONFIG_COLDFIRE
-+#define FLUSH_BC (0x00040000)
-+
-+#define finish_arch_switch(prev) do { \
-+ unsigned long tmpreg; \
-+ asm volatile ("move.l %2,%0\n" \
-+ "orl %1,%0\n" \
-+ "movec %0,%%cacr" \
-+ : "=&d" (tmpreg) \
-+ : "id" (FLUSH_BC), "m" (shadow_cacr)); \
-+ } while (0)
-+
-+#endif
-+
- /*
- * switch_to(n) should switch tasks to task ptr, first checking that
- * ptr isn't the current task, in which case it does nothing. This
---- a/arch/m68k/include/asm/tlbflush.h
-+++ b/arch/m68k/include/asm/tlbflush.h
-@@ -1,8 +1,14 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _M68K_TLBFLUSH_H
- #define _M68K_TLBFLUSH_H
--
- #ifdef CONFIG_MMU
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
-
- #include <asm/current.h>
-
-@@ -92,7 +98,12 @@ static inline void flush_tlb_kernel_rang
- flush_tlb_all();
- }
-
--#else
-+static inline void flush_tlb_pgtables(struct mm_struct *mm,
-+ unsigned long start, unsigned long end)
-+{
-+}
-+
-+#elif defined(CONFIG_SUN3)
-
-
- /* Reserved PMEGs. */
-@@ -214,6 +225,13 @@ static inline void flush_tlb_kernel_page
- sun3_put_segmap (addr & ~(SUN3_PMEG_SIZE - 1), SUN3_INVALID_PMEG);
- }
-
-+static inline void flush_tlb_pgtables(struct mm_struct *mm,
-+ unsigned long start, unsigned long end)
-+{
-+}
-+
-+#else /* CONFIG_COLDFIRE */
-+#include <asm/cf_tlbflush.h>
- #endif
-
- #else /* !CONFIG_MMU */
---- a/arch/m68k/include/asm/uaccess_mm.h
-+++ b/arch/m68k/include/asm/uaccess_mm.h
-@@ -1,6 +1,15 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef __M68K_UACCESS_H
- #define __M68K_UACCESS_H
--
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_uaccess.h>
-+#else
- /*
- * User space memory access functions
- */
-@@ -219,6 +228,41 @@ unsigned long __generic_copy_to_user(voi
- : "+d" (res), "+&a" (to), "+a" (from), "=&d" (tmp) \
- : : "memory")
-
-+#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3) \
-+ asm volatile ("\n" \
-+ " move."#s1" (%2)+,%3\n" \
-+ "11: moves."#s1" %3,(%1)+\n" \
-+ "12: move."#s2" (%2)+,%3\n" \
-+ "21: moves."#s2" %3,(%1)+\n" \
-+ "22:\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ " move."#s3" (%2)+,%3\n" \
-+ "31: moves."#s3" %3,(%1)+\n" \
-+ "32:\n" \
-+ " .endif\n" \
-+ "4:\n" \
-+ "\n" \
-+ " .section __ex_table,\"a\"\n" \
-+ " .align 4\n" \
-+ " .long 11b,5f\n" \
-+ " .long 12b,5f\n" \
-+ " .long 21b,5f\n" \
-+ " .long 22b,5f\n" \
-+ " .ifnc \""#s3"\",\"\"\n" \
-+ " .long 31b,5f\n" \
-+ " .long 32b,5f\n" \
-+ " .endif\n" \
-+ " .previous\n" \
-+ "\n" \
-+ " .section .fixup,\"ax\"\n" \
-+ " .even\n" \
-+ "5: moveq.l #"#n",%0\n" \
-+ " jra 4b\n" \
-+ " .previous\n" \
-+ : "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp) \
-+ : : "memory")
-+
-+#endif /* CONFIG_COLDFIRE */
- static __always_inline unsigned long
- __constant_copy_from_user(void *to, const void __user *from, unsigned long n)
- {
-@@ -266,40 +310,6 @@ __constant_copy_from_user(void *to, cons
- return res;
- }
-
--#define __constant_copy_to_user_asm(res, to, from, tmp, n, s1, s2, s3) \
-- asm volatile ("\n" \
-- " move."#s1" (%2)+,%3\n" \
-- "11: moves."#s1" %3,(%1)+\n" \
-- "12: move."#s2" (%2)+,%3\n" \
-- "21: moves."#s2" %3,(%1)+\n" \
-- "22:\n" \
-- " .ifnc \""#s3"\",\"\"\n" \
-- " move."#s3" (%2)+,%3\n" \
-- "31: moves."#s3" %3,(%1)+\n" \
-- "32:\n" \
-- " .endif\n" \
-- "4:\n" \
-- "\n" \
-- " .section __ex_table,\"a\"\n" \
-- " .align 4\n" \
-- " .long 11b,5f\n" \
-- " .long 12b,5f\n" \
-- " .long 21b,5f\n" \
-- " .long 22b,5f\n" \
-- " .ifnc \""#s3"\",\"\"\n" \
-- " .long 31b,5f\n" \
-- " .long 32b,5f\n" \
-- " .endif\n" \
-- " .previous\n" \
-- "\n" \
-- " .section .fixup,\"ax\"\n" \
-- " .even\n" \
-- "5: moveq.l #"#n",%0\n" \
-- " jra 4b\n" \
-- " .previous\n" \
-- : "+d" (res), "+a" (to), "+a" (from), "=&d" (tmp) \
-- : : "memory")
--
- static __always_inline unsigned long
- __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
- {
---- a/arch/m68k/include/asm/unistd.h
-+++ b/arch/m68k/include/asm/unistd.h
-@@ -1,6 +1,12 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef _ASM_M68K_UNISTD_H_
- #define _ASM_M68K_UNISTD_H_
--
- /*
- * This file contains the system call numbers.
- */
-@@ -343,10 +349,11 @@
- #define __NR_fanotify_init 337
- #define __NR_fanotify_mark 338
- #define __NR_prlimit64 339
-+#define __NR_recvmmsg 340
-
- #ifdef __KERNEL__
-
--#define NR_syscalls 340
-+#define NR_syscalls 341
-
- #define __ARCH_WANT_IPC_PARSE_VERSION
- #define __ARCH_WANT_OLD_READDIR
---- a/arch/m68k/include/asm/virtconvert.h
-+++ b/arch/m68k/include/asm/virtconvert.h
-@@ -1,5 +1,15 @@
-+/*
-+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- #ifndef __VIRT_CONVERT__
- #define __VIRT_CONVERT__
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cf_virtconvert.h>
-+#else
-
- /*
- * Macros used for converting between virtual and physical mappings.
-@@ -45,3 +55,4 @@ static inline void *phys_to_virt(unsigne
-
- #endif
- #endif
-+#endif
---- a/arch/m68k/kernel/Makefile
-+++ b/arch/m68k/kernel/Makefile
-@@ -2,16 +2,27 @@
- # Makefile for the linux kernel.
- #
-
--ifndef CONFIG_SUN3
-- extra-y := head.o
-+ifdef CONFIG_SUN3
-+ extra-y := sun3-head.o vmlinux.lds
-+ obj-y := entry.o signal.o ints.o time.o
- else
-- extra-y := sun3-head.o
-+ifndef CONFIG_COLDFIRE
-+ extra-y := head.o vmlinux.lds
-+ obj-y := entry.o signal.o traps.o ints.o time.o
-+else # CONFIG_COLDFIRE
-+ extra-y := vmlinux.lds
-+ obj-y := time.o
-+ ifdef CONFIG_M547X_8X
-+ obj-$(CONFIG_PCI) += bios32_mcf548x.o
-+ endif
-+endif
- endif
--extra-y += vmlinux.lds
-
--obj-y := entry.o process.o traps.o ints.o signal.o ptrace.o module.o \
-- sys_m68k.o time.o setup.o m68k_ksyms.o devres.o
-+obj-y += process.o ptrace.o module.o \
-+ sys_m68k.o setup.o m68k_ksyms.o devres.o# semaphore.o
-
- devres-y = ../../../kernel/irq/devres.o
-
- obj-y$(CONFIG_MMU_SUN3) += dma.o # no, it's not a typo
-+
-+EXTRA_AFLAGS := -traditional
---- a/arch/m68k/kernel/asm-offsets.c
-+++ b/arch/m68k/kernel/asm-offsets.c
-@@ -2,6 +2,15 @@
- * This program is used to generate definitions needed by
- * assembly language modules.
- *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ * Add Codlfire support
-+ *
-+ * 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.
-+ *
- * We use the technique used in the OSF Mach kernel code:
- * generate asm statements containing #defines,
- * compile this file to assembler, and then extract the
-@@ -22,6 +31,9 @@
- int main(void)
- {
- /* offsets into the task struct */
-+ DEFINE(TASK_STATE, offsetof(struct task_struct, state));
-+ DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
-+ DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
- DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
- DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info));
- DEFINE(TASK_MM, offsetof(struct task_struct, mm));
-@@ -43,6 +55,7 @@ int main(void)
- /* offsets into the thread_info struct */
- DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count));
- DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags));
-+ DEFINE(TINFO_TP_VALUE, offsetof(struct thread_info, tp_value));
-
- /* offsets into the pt_regs */
- DEFINE(PT_OFF_D0, offsetof(struct pt_regs, d0));
-@@ -57,8 +70,23 @@ int main(void)
- DEFINE(PT_OFF_A2, offsetof(struct pt_regs, a2));
- DEFINE(PT_OFF_PC, offsetof(struct pt_regs, pc));
- DEFINE(PT_OFF_SR, offsetof(struct pt_regs, sr));
-+#ifdef CONFIG_COLDFIRE
-+ /* Need to get the context out of struct mm for ASID setting */
-+ DEFINE(MM_CONTEXT, offsetof(struct mm_struct, context));
-+ /* Coldfire exception frame has vector *before* pc */
-+ DEFINE(PT_VECTOR, offsetof(struct pt_regs, pc) - 4);
-+#else
- /* bitfields are a bit difficult */
- DEFINE(PT_OFF_FORMATVEC, offsetof(struct pt_regs, pc) + 4);
-+#endif
-+
-+ /* offsets into the irq_handler struct */
-+ DEFINE(IRQ_HANDLER, offsetof(struct irq_node, handler));
-+ DEFINE(IRQ_DEVID, offsetof(struct irq_node, dev_id));
-+ DEFINE(IRQ_NEXT, offsetof(struct irq_node, next));
-+
-+ /* offsets into the kernel_stat struct */
-+ DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
-
- /* offsets into the irq_cpustat_t struct */
- DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
---- a/arch/m68k/kernel/dma.c
-+++ b/arch/m68k/kernel/dma.c
-@@ -1,4 +1,7 @@
- /*
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
- * 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.
-@@ -12,12 +15,25 @@
- #include <linux/scatterlist.h>
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
--
-+#include <linux/pci.h>
- #include <asm/pgalloc.h>
-
- void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *handle, gfp_t flag)
- {
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X) || \
-+ defined(CONFIG_M5441X)
-+ /*
-+ * On the M5445x platform the memory allocated with GFP_DMA
-+ * is guaranteed to be DMA'able.
-+ */
-+ void *addr;
-+
-+ size = PAGE_ALIGN(size);
-+ addr = kmalloc(size, GFP_DMA);
-+ *handle = virt_to_phys(addr);
-+ return addr;
-+#else
- struct page *page, **map;
- pgprot_t pgprot;
- void *addr;
-@@ -56,6 +72,7 @@ void *dma_alloc_coherent(struct device *
- kfree(map);
-
- return addr;
-+#endif
- }
- EXPORT_SYMBOL(dma_alloc_coherent);
-
-@@ -63,7 +80,12 @@ void dma_free_coherent(struct device *de
- void *addr, dma_addr_t handle)
- {
- pr_debug("dma_free_coherent: %p, %x\n", addr, handle);
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M547X_8X) || \
-+ defined(CONFIG_M5441X)
-+ kfree((void *)handle);
-+#else
- vfree(addr);
-+#endif
- }
- EXPORT_SYMBOL(dma_free_coherent);
-
-@@ -77,6 +99,9 @@ void dma_sync_single_for_device(struct d
- case DMA_FROM_DEVICE:
- cache_clear(handle, size);
- break;
-+ case PCI_DMA_BIDIRECTIONAL:
-+ flush_dcache();
-+ break;
- default:
- if (printk_ratelimit())
- printk("dma_sync_single_for_device: unsupported dir %u\n", dir);
-@@ -89,16 +114,23 @@ void dma_sync_sg_for_device(struct devic
- enum dma_data_direction dir)
- {
- int i;
-+#ifdef CONFIG_COLDFIRE
-+ struct scatterlist *_sg;
-
-+ for_each_sg(sg, _sg, nents, i)
-+ dma_sync_single_for_device(dev, _sg->dma_address,
-+ _sg->length, dir);
-+#else
- for (i = 0; i < nents; sg++, i++)
- dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir);
-+#endif
- }
- EXPORT_SYMBOL(dma_sync_sg_for_device);
-
- dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size,
- enum dma_data_direction dir)
- {
-- dma_addr_t handle = virt_to_bus(addr);
-+ dma_addr_t handle = (dma_addr_t)virt_to_bus(addr);
-
- dma_sync_single_for_device(dev, handle, size, dir);
- return handle;
-@@ -120,10 +152,19 @@ int dma_map_sg(struct device *dev, struc
- enum dma_data_direction dir)
- {
- int i;
--
-+#ifdef CONFIG_COLDFIRE
-+ struct scatterlist *_sg;
-+#endif
-+#ifndef CONFIG_COLDFIRE
- for (i = 0; i < nents; sg++, i++) {
- sg->dma_address = sg_phys(sg);
- dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir);
-+#else
-+ for_each_sg(sg, _sg, nents, i) {
-+ _sg->dma_address = sg_phys(_sg);
-+ dma_sync_single_for_device(dev, _sg->dma_address,
-+ _sg->length, dir);
-+#endif
- }
- return nents;
- }
---- a/arch/m68k/kernel/process.c
-+++ b/arch/m68k/kernel/process.c
-@@ -4,6 +4,15 @@
- * Copyright (C) 1995 Hamish Macdonald
- *
- * 68060 fixes by Jesper Skov
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Kurt.Mahan@freescale.com
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- */
-
- /*
-@@ -185,12 +194,21 @@ EXPORT_SYMBOL(kernel_thread);
- void flush_thread(void)
- {
- unsigned long zero = 0;
-+#if !defined(CONFIG_COLDFIRE)
- set_fs(USER_DS);
- current->thread.fs = __USER_DS;
- if (!FPU_IS_EMU)
- asm volatile (".chip 68k/68881\n\t"
- "frestore %0@\n\t"
- ".chip 68k" : : "a" (&zero));
-+#else
-+ set_fs(USER_DS);
-+ current->thread.fs = USER_DS;
-+#if defined(CONFIG_FPU)
-+ if (!FPU_IS_EMU)
-+ asm volatile ("frestore %0@\n\t" : : "a" (&zero));
-+#endif
-+#endif
- }
-
- /*
-@@ -258,6 +276,7 @@ int copy_thread(unsigned long clone_flag
- * Must save the current SFC/DFC value, NOT the value when
- * the parent was last descheduled - RGH 10-08-96
- */
-+#if !defined(CONFIG_COLDFIRE)
- p->thread.fs = get_fs().seg;
-
- if (!FPU_IS_EMU) {
-@@ -269,9 +288,34 @@ int copy_thread(unsigned long clone_flag
- "fmoveml %/fpiar/%/fpcr/%/fpsr,%1"
- : : "m" (p->thread.fp[0]), "m" (p->thread.fpcntl[0])
- : "memory");
-+#else
-+ p->thread.fs = get_fs();
-+
-+#if defined(CONFIG_FPU)
-+ if (!FPU_IS_EMU) {
-+ /* Copy the current fpu state */
-+ asm volatile ("fsave %0" : : "m" (p->thread.fpstate[0])
-+ : "memory");
-+
-+ if (p->thread.fpstate[0]) {
-+ asm volatile ("fmovemd %/fp0-%/fp7,%0"
-+ : : "m" (p->thread.fp[0])
-+ : "memory");
-+ asm volatile ("fmovel %/fpiar,%0"
-+ : : "m" (p->thread.fpcntl[0])
-+ : "memory");
-+ asm volatile ("fmovel %/fpcr,%0"
-+ : : "m" (p->thread.fpcntl[1])
-+ : "memory");
-+ asm volatile ("fmovel %/fpsr,%0"
-+ : : "m" (p->thread.fpcntl[2])
-+ : "memory");
-+ }
- /* Restore the state in case the fpu was busy */
- asm volatile ("frestore %0" : : "m" (p->thread.fpstate[0]));
- }
-+#endif
-+#endif
-
- return 0;
- }
-@@ -280,7 +324,9 @@ int copy_thread(unsigned long clone_flag
-
- int dump_fpu (struct pt_regs *regs, struct user_m68kfp_struct *fpu)
- {
-+#if !defined(CONFIG_COLDFIRE) || defined(CONFIG_FPU)
- char fpustate[216];
-+#endif
-
- if (FPU_IS_EMU) {
- int i;
-@@ -297,6 +343,7 @@ int dump_fpu (struct pt_regs *regs, stru
- }
-
- /* First dump the fpu context to avoid protocol violation. */
-+#if !defined(CONFIG_COLDFIRE)
- asm volatile ("fsave %0" :: "m" (fpustate[0]) : "memory");
- if (!CPU_IS_060 ? !fpustate[0] : !fpustate[2])
- return 0;
-@@ -307,6 +354,25 @@ int dump_fpu (struct pt_regs *regs, stru
- asm volatile ("fmovemx %/fp0-%/fp7,%0"
- :: "m" (fpu->fpregs[0])
- : "memory");
-+#elif defined(CONFIG_FPU)
-+ asm volatile ("fsave %0" : : "m" (fpustate[0]) : "memory");
-+ if (!CPU_IS_060 ? !fpustate[0] : !fpustate[2])
-+ return 0;
-+
-+ asm volatile ("fmovel %/fpiar,%0"
-+ : : "m" (fpu->fpcntl[0])
-+ : "memory");
-+ asm volatile ("fmovel %/fpcr,%0"
-+ : : "m" (fpu->fpcntl[1])
-+ : "memory");
-+ asm volatile ("fmovel %/fpsr,%0"
-+ : : "m" (fpu->fpcntl[2])
-+ : "memory");
-+ asm volatile ("fmovemd %/fp0-%/fp7,%0"
-+ : : "m" (fpu->fpregs[0])
-+ : "memory");
-+#endif
-+
- return 1;
- }
- EXPORT_SYMBOL(dump_fpu);
---- a/arch/m68k/kernel/setup.c
-+++ b/arch/m68k/kernel/setup.c
-@@ -2,7 +2,14 @@
- * linux/arch/m68k/kernel/setup.c
- *
- * Copyright (C) 1995 Hamish Macdonald
-- */
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+*/
-
- /*
- * This file handles the architecture-dependent parts of system setup
-@@ -74,14 +81,26 @@ struct mem_info m68k_memory[NUM_MEMINFO]
- EXPORT_SYMBOL(m68k_memory);
-
- struct mem_info m68k_ramdisk;
-+EXPORT_SYMBOL(m68k_ramdisk);
-
-+#if !defined(CONFIG_COLDFIRE)
- static char m68k_command_line[CL_SIZE];
-+#else
-+char m68k_command_line[CL_SIZE];
-+unsigned long uboot_info_stk;
-+EXPORT_SYMBOL(uboot_info_stk);
-+#endif
-
- void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL;
- /* machine dependent irq functions */
- void (*mach_init_IRQ) (void) __initdata = NULL;
- void (*mach_get_model) (char *model);
- void (*mach_get_hardware_list) (struct seq_file *m);
-+
-+#ifdef CONFIG_COLDFIRE
-+void (*mach_tick)(void);
-+#endif
-+
- /* machine dependent timer functions */
- unsigned long (*mach_gettimeoffset) (void);
- int (*mach_hwclk) (int, struct rtc_time*);
-@@ -137,13 +156,17 @@ extern void config_hp300(void);
- extern void config_q40(void);
- extern void config_sun3x(void);
-
-+#ifdef CONFIG_COLDFIRE
-+void coldfire_sort_memrec(void);
-+#endif
-+
- #define MASK_256K 0xfffc0000
-
- extern void paging_init(void);
-
- static void __init m68k_parse_bootinfo(const struct bi_record *record)
- {
-- while (record->tag != BI_LAST) {
-+ while ((record->tag != BI_LAST) && !(CONFIG_COLDFIRE)) {
- int unknown = 0;
- const unsigned long *data = record->data;
-
-@@ -203,6 +226,10 @@ static void __init m68k_parse_bootinfo(c
- record->size);
- }
-
-+#ifdef CONFIG_COLDFIRE
-+ coldfire_sort_memrec();
-+#endif
-+
- m68k_realnum_memory = m68k_num_memory;
- #ifdef CONFIG_SINGLE_MEMORY_CHUNK
- if (m68k_num_memory > 1) {
-@@ -215,7 +242,9 @@ static void __init m68k_parse_bootinfo(c
-
- void __init setup_arch(char **cmdline_p)
- {
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- int i;
-+#endif
-
- /* The bootinfo is located right after the kernel bss */
- m68k_parse_bootinfo((const struct bi_record *)_end);
-@@ -230,9 +259,10 @@ void __init setup_arch(char **cmdline_p)
- * We should really do our own FPU check at startup.
- * [what do we do with buggy 68LC040s? if we have problems
- * with them, we should add a test to check_bugs() below] */
--#ifndef CONFIG_M68KFPU_EMU_ONLY
-+#if !defined(CONFIG_M68KFPU_EMU_ONLY) && defined(CONFIG_FPU)
- /* clear the fpu if we have one */
-- if (m68k_fputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060)) {
-+ if (m68k_fputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060|
-+ FPU_CFV4E)) {
- volatile int zero = 0;
- asm volatile ("frestore %0" : : "m" (zero));
- }
-@@ -320,16 +350,17 @@ void __init setup_arch(char **cmdline_p)
- config_sun3x();
- break;
- #endif
-+#ifdef CONFIG_COLDFIRE
-+ case MACH_CFMMU:
-+ config_coldfire();
-+ break;
-+#endif
- default:
- panic("No configuration setup");
- }
-
- paging_init();
-
--#ifndef CONFIG_SUN3
-- for (i = 1; i < m68k_num_memory; i++)
-- free_bootmem_node(NODE_DATA(i), m68k_memory[i].addr,
-- m68k_memory[i].size);
- #ifdef CONFIG_BLK_DEV_INITRD
- if (m68k_ramdisk.size) {
- reserve_bootmem_node(__virt_to_node(phys_to_virt(m68k_ramdisk.addr)),
-@@ -341,6 +372,10 @@ void __init setup_arch(char **cmdline_p)
- }
- #endif
-
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
-+ for (i = 1; i < m68k_num_memory; i++)
-+ free_bootmem_node(NODE_DATA(i), m68k_memory[i].addr,
-+ m68k_memory[i].size);
- #ifdef CONFIG_ATARI
- if (MACH_IS_ATARI)
- atari_stram_reserve_pages((void *)availmem);
-@@ -353,12 +388,22 @@ void __init setup_arch(char **cmdline_p)
-
- #endif /* !CONFIG_SUN3 */
-
-+#ifdef CONFIG_COLDFIRE
-+ mmu_context_init();
-+#endif
-+
- /* set ISA defs early as possible */
- #if defined(CONFIG_ISA) && defined(MULTI_ISA)
- if (MACH_IS_Q40) {
- isa_type = ISA_TYPE_Q40;
- isa_sex = 0;
- }
-+#ifdef CONFIG_GG2
-+ if (MACH_IS_AMIGA && AMIGAHW_PRESENT(GG2_ISA)) {
-+ isa_type = ISA_TYPE_GG2;
-+ isa_sex = 0;
-+ }
-+#endif
- #ifdef CONFIG_AMIGA_PCMCIA
- if (MACH_IS_AMIGA && AMIGAHW_PRESENT(PCMCIA)) {
- isa_type = ISA_TYPE_AG;
-@@ -377,6 +422,7 @@ static int show_cpuinfo(struct seq_file
- #define LOOP_CYCLES_68030 (8)
- #define LOOP_CYCLES_68040 (3)
- #define LOOP_CYCLES_68060 (1)
-+#define LOOP_CYCLES_COLDFIRE (2)
-
- if (CPU_IS_020) {
- cpu = "68020";
-@@ -390,6 +436,9 @@ static int show_cpuinfo(struct seq_file
- } else if (CPU_IS_060) {
- cpu = "68060";
- clockfactor = LOOP_CYCLES_68060;
-+ } else if (CPU_IS_CFV4E) {
-+ cpu = "ColdFire V4e";
-+ clockfactor = LOOP_CYCLES_COLDFIRE;
- } else {
- cpu = "680x0";
- clockfactor = 0;
-@@ -408,6 +457,8 @@ static int show_cpuinfo(struct seq_file
- fpu = "68060";
- else if (m68k_fputype & FPU_SUNFPA)
- fpu = "Sun FPA";
-+ else if (m68k_fputype & FPU_CFV4E)
-+ fpu = "ColdFire V4e";
- else
- fpu = "none";
- #endif
-@@ -424,6 +475,8 @@ static int show_cpuinfo(struct seq_file
- mmu = "Sun-3";
- else if (m68k_mmutype & MMU_APOLLO)
- mmu = "Apollo";
-+ else if (m68k_mmutype & MMU_CFV4E)
-+ mmu = "ColdFire";
- else
- mmu = "unknown";
-
-@@ -506,7 +559,8 @@ module_init(proc_hardware_init);
-
- void check_bugs(void)
- {
--#ifndef CONFIG_M68KFPU_EMU
-+#if !defined(CONFIG_M68KFPU_EMU) && !defined(CONFIG_M5445X) && \
-+ !defined(CONFIG_M5441X)
- if (m68k_fputype == 0) {
- printk(KERN_EMERG "*** YOU DO NOT HAVE A FLOATING POINT UNIT, "
- "WHICH IS REQUIRED BY LINUX/M68K ***\n");
---- a/arch/m68k/kernel/sys_m68k.c
-+++ b/arch/m68k/kernel/sys_m68k.c
-@@ -1,5 +1,12 @@
- /*
- * linux/arch/m68k/kernel/sys_m68k.c
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/m68k
-@@ -29,6 +36,9 @@
- #include <asm/unistd.h>
- #include <linux/elf.h>
- #include <asm/tlb.h>
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cacheflush.h>
-+#endif
-
- asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address,
- unsigned long error_code);
-@@ -45,6 +55,59 @@ asmlinkage long sys_mmap2(unsigned long
- return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
- }
-
-+/*
-+ * Perform the select(nd, in, out, ex, tv) and mmap() system
-+ * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
-+ * handle more than 4 system call parameters, so these system calls
-+ * used a memory block for parameter passing..
-+ */
-+
-+struct mmap_arg_struct {
-+ unsigned long addr;
-+ unsigned long len;
-+ unsigned long prot;
-+ unsigned long flags;
-+ unsigned long fd;
-+ unsigned long offset;
-+};
-+
-+asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-+{
-+ struct mmap_arg_struct a;
-+ int error = -EFAULT;
-+
-+ if (copy_from_user(&a, arg, sizeof(a)))
-+ goto out;
-+
-+ error = -EINVAL;
-+ if (a.offset & ~PAGE_MASK)
-+ goto out;
-+
-+ a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-+
-+ error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags,
-+ a.fd, a.offset >> PAGE_SHIFT);
-+out:
-+ return error;
-+}
-+
-+struct sel_arg_struct {
-+ unsigned long n;
-+ fd_set __user *inp, *outp, *exp;
-+ struct timeval __user *tvp;
-+};
-+
-+asmlinkage int old_select(struct sel_arg_struct __user *arg)
-+{
-+ struct sel_arg_struct a;
-+
-+ if (copy_from_user(&a, arg, sizeof(a)))
-+ return -EFAULT;
-+ /* sys_select() does the appropriate kernel locking */
-+ return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-+}
-+
-+#ifndef CONFIG_COLDFIRE
- /* Convert virtual (user) address VADDR to physical address PADDR */
- #define virt_to_phys_040(vaddr) \
- ({ \
-@@ -368,6 +431,7 @@ cache_flush_060 (unsigned long addr, int
- }
- return 0;
- }
-+#endif /* CONFIG_COLDFIRE */
-
- /* sys_cacheflush -- flush (part of) the processor cache. */
- asmlinkage int
-@@ -399,6 +463,7 @@ sys_cacheflush (unsigned long addr, int
- goto out;
- }
-
-+#ifndef CONFIG_COLDFIRE
- if (CPU_IS_020_OR_030) {
- if (scope == FLUSH_SCOPE_LINE && len < 256) {
- unsigned long cacr;
-@@ -443,6 +508,16 @@ sys_cacheflush (unsigned long addr, int
- ret = cache_flush_060 (addr, scope, cache, len);
- }
- }
-+#else /* CONFIG_COLDFIRE */
-+ if ((cache & FLUSH_CACHE_INSN) && (cache & FLUSH_CACHE_DATA))
-+ flush_bcache();
-+ else if (cache & FLUSH_CACHE_INSN)
-+ flush_icache();
-+ else
-+ flush_dcache();
-+
-+ ret = 0;
-+#endif /* CONFIG_COLDFIRE */
- out:
- return ret;
- }
-@@ -474,9 +549,14 @@ asmlinkage unsigned long sys_get_thread_
- return current_thread_info()->tp_value;
- }
-
-+extern void *_vdso_tp;
-+
- asmlinkage int sys_set_thread_area(unsigned long tp)
- {
- current_thread_info()->tp_value = tp;
-+#ifdef CONFIG_VDSO
-+ *(unsigned long *)_vdso_tp = tp;
-+#endif
- return 0;
- }
-
---- a/arch/m68k/kernel/time.c
-+++ b/arch/m68k/kernel/time.c
-@@ -2,6 +2,14 @@
- * linux/arch/m68k/kernel/time.c
- *
- * Copyright (C) 1991, 1992, 1995 Linus Torvalds
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ * Alison Wang b18965@freescale.com
-+ *
-+ * 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.
- *
- * This file contains the m68k-specific time handling details.
- * Most of the stuff is located in the machine specific files.
-@@ -9,9 +17,12 @@
- * 1997-09-10 Updated NTP code according to technical memorandum Jan '96
- * "A Kernel Model for Precision Timekeeping" by Dave Mills
- */
--
-+#include <linux/clk.h>
-+#include <linux/clocksource.h>
-+#include <linux/clockchips.h>
- #include <linux/errno.h>
- #include <linux/module.h>
-+#include <linux/sysdev.h>
- #include <linux/sched.h>
- #include <linux/kernel.h>
- #include <linux/param.h>
-@@ -27,6 +38,7 @@
- #include <linux/time.h>
- #include <linux/timex.h>
- #include <linux/profile.h>
-+#include <asm/mcfsim.h>
-
- static inline int set_rtc_mmss(unsigned long nowtime)
- {
-@@ -35,12 +47,18 @@ static inline int set_rtc_mmss(unsigned
- return -1;
- }
-
-+#ifndef CONFIG_GENERIC_CLOCKEVENTS
- /*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
- */
- static irqreturn_t timer_interrupt(int irq, void *dummy)
- {
-+#ifdef CONFIG_COLDFIRE
-+ /* kick hardware timer if necessary */
-+ if (mach_tick)
-+ mach_tick();
-+#endif
- do_timer(1);
- update_process_times(user_mode(get_irq_regs()));
- profile_tick(CPU_PROFILING);
-@@ -91,11 +109,133 @@ void __init time_init(void)
- {
- mach_sched_init(timer_interrupt);
- }
-+#endif
-
-+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
- u32 arch_gettimeoffset(void)
- {
- return mach_gettimeoffset() * 1000;
- }
-+#endif
-+
-+#ifdef CONFIG_GENERIC_CLOCKEVENTS
-+
-+extern unsigned long long sys_dtim2_read(void);
-+extern void sys_dtim2_init(void);
-+static int cfv4_set_next_event(unsigned long evt,
-+ struct clock_event_device *dev);
-+static void cfv4_set_mode(enum clock_event_mode mode,
-+ struct clock_event_device *dev);
-+
-+#if defined(CONFIG_M5445X) || defined(CONFIG_M5441X)
-+#define FREQ (MCF_BUSCLK / 16)
-+#else
-+#define FREQ (MCF_BUSCLK)
-+#endif
-+
-+/*
-+ * Clock Evnt setup
-+ */
-+static struct clock_event_device clockevent_cfv4 = {
-+ .name = "CFV4 timer2even",
-+ .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-+ .rating = 200,
-+ .shift = 20,
-+ .set_mode = cfv4_set_mode,
-+ .set_next_event = cfv4_set_next_event,
-+};
-+
-+static int cfv4_set_next_event(unsigned long evt,
-+ struct clock_event_device *dev)
-+{
-+ return 0;
-+}
-+
-+static void cfv4_set_mode(enum clock_event_mode mode,
-+ struct clock_event_device *dev)
-+{
-+ if (mode != CLOCK_EVT_MODE_ONESHOT)
-+ cfv4_set_next_event((FREQ / HZ), dev);
-+}
-+
-+static int __init cfv4_clockevent_init(void)
-+{
-+ clockevent_cfv4.mult =
-+ div_sc(FREQ, NSEC_PER_SEC,
-+ clockevent_cfv4.shift);
-+ clockevent_cfv4.max_delta_ns =
-+ clockevent_delta2ns((FREQ / HZ),
-+ &clockevent_cfv4);
-+ clockevent_cfv4.min_delta_ns =
-+ clockevent_delta2ns(1, &clockevent_cfv4);
-+
-+ clockevent_cfv4.cpumask = &cpumask_of_cpu(0);
-+
-+ printk(KERN_INFO "timer: register clockevent\n");
-+ clockevents_register_device(&clockevent_cfv4);
-+
-+ return 0;
-+}
-+
-+/*
-+ * clocksource setup
-+ */
-+
-+struct clocksource clocksource_cfv4 = {
-+ .name = "ColdfireV4",
-+ .rating = 250,
-+ .mask = CLOCKSOURCE_MASK(32),
-+ .read = sys_dtim2_read,
-+ .shift = 20,
-+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-+};
-+
-+/*
-+ * Initialize time subsystem. Called from linux/init/main.c
-+ */
-+void __init time_init(void)
-+{
-+ int ret;
-+
-+ printk(KERN_INFO "Initializing time\n");
-+
-+ cfv4_clockevent_init();
-+ /* initialize the system timer */
-+ sys_dtim2_init();
-+
-+ /* JKM */
-+ clocksource_cfv4.mult = clocksource_hz2mult(FREQ,
-+ clocksource_cfv4.shift);
-+
-+ /* register our clocksource */
-+ ret = clocksource_register(&clocksource_cfv4);
-+ if (ret)
-+ printk(KERN_ERR "timer: unable to "
-+ "register clocksource - %d\n", ret);
-+}
-+
-+/*
-+ * sysfs pieces
-+ */
-+
-+static struct sysdev_class timer_class = {
-+ .name = "timer",
-+};
-+
-+static struct sys_device timer_device = {
-+ .id = 0,
-+ .cls = &timer_class,
-+};
-+
-+static int __init timer_init_sysfs(void)
-+{
-+ int err = sysdev_class_register(&timer_class);
-+ if (!err)
-+ err = sysdev_register(&timer_device);
-+ return err;
-+}
-+device_initcall(timer_init_sysfs);
-+#endif /* CONFIG_GENERIC_CLOCKEVENTS */
-
- static int __init rtc_init(void)
- {
---- /dev/null
-+++ b/arch/m68k/kernel/vmlinux-cf.lds
-@@ -0,0 +1,142 @@
-+/* ld script to make m68k Coldfire Linux kernel
-+ *
-+ * Derived from arch/m68k/kernel/vmlinux-std.lds
-+ *
-+ * Updated 11/26/2007 for new CodeSourcery toolset
-+ * by Kurt Mahan <kmahan@freescale.com>
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+ */
-+
-+#define LOAD_OFFSET 0x00000000
-+
-+#include <asm-generic/vmlinux.lds.h>
-+#include <asm/page_offset.h>
-+
-+#define START_OFFSET 0x00020000
-+#define IMAGE_START PAGE_OFFSET_RAW + START_OFFSET
-+
-+OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
-+OUTPUT_ARCH(m68k)
-+ENTRY(_stext)
-+jiffies = jiffies_64 + 4;
-+
-+SECTIONS
-+{
-+ . = IMAGE_START;
-+ .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) {
-+ _text = .; /* Text and read-only data */
-+ *(.text.head)
-+ } :text = 0x4e75
-+
-+ .text : AT(ADDR(.text) - LOAD_OFFSET) {
-+ TEXT_TEXT
-+ SCHED_TEXT
-+ LOCK_TEXT
-+ *(.fixup)
-+ *(.gnu.warning)
-+ } :text = 0x4e75
-+ _etext = .; /* End of text section */
-+
-+ . = ALIGN(16);
-+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
-+ __start___ex_table = .;
-+ *(__ex_table)
-+ __stop___ex_table = .;
-+ }
-+
-+ RODATA
-+
-+ . = ALIGN(8192);
-+ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
-+ DATA_DATA
-+ CONSTRUCTORS
-+ } :data
-+
-+
-+ . = ALIGN(16);
-+ .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET ) {
-+ *(.data.cacheline_aligned)
-+ } :data
-+
-+ _edata = .; /* End of data section */
-+
-+ NOTES /* support ld --build-id */
-+
-+ . = ALIGN(8192); /* Initrd */
-+ .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
-+ __init_begin = .;
-+ _sinittext = .;
-+ *(.init.text)
-+ _einittext = .;
-+ }
-+
-+ .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
-+ *(.init.data)
-+ }
-+
-+ . = ALIGN(16);
-+ .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
-+ __setup_start = .;
-+ *(.init.setup)
-+ __setup_end = .;
-+ }
-+
-+ .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
-+ __initcall_start = .;
-+ INITCALLS
-+ __initcall_end = .;
-+ }
-+
-+ .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
-+ __con_initcall_start = .;
-+ *(.con_initcall.init)
-+ __con_initcall_end = .;
-+ }
-+
-+ SECURITY_INIT
-+
-+#ifdef CONFIG_BLK_DEV_INITRD
-+ . = ALIGN(8192);
-+ .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
-+ __initramfs_start = .;
-+ *(.init.ramfs)
-+ __initramfs_end = .;
-+ }
-+#endif
-+
-+ . = ALIGN(8192);
-+ __init_end = .;
-+
-+ .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
-+ *(.data.init_task) /* The initial task and kernel stack */
-+ }
-+
-+ _sbss = .;
-+ .bss : AT(ADDR(.bss) - LOAD_OFFSET) { /* BSS */
-+ *(.bss)
-+ }
-+ _ebss = .;
-+
-+ _end = . ;
-+
-+ __ctors_start = . ;
-+
-+ __ctors_end = . ;
-+
-+ /* Sections to be discarded */
-+ /DISCARD/ : {
-+ *(.exit.text)
-+ *(.exit.data)
-+ *(.exitcall.exit)
-+ }
-+
-+ /* Stabs debugging sections. */
-+ STABS_DEBUG
-+}
---- a/arch/m68k/kernel/vmlinux.lds.S
-+++ b/arch/m68k/kernel/vmlinux.lds.S
-@@ -1,10 +1,20 @@
-+/*
-+ * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ *
-+ * 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.
-+ */
- PHDRS
- {
-- text PT_LOAD FILEHDR PHDRS FLAGS (7);
-+ headers PT_PHDR PHDRS ;
-+ text PT_LOAD FILEHDR PHDRS FLAGS (5);
- data PT_LOAD FLAGS (7);
- }
- #ifdef CONFIG_SUN3
- #include "vmlinux-sun3.lds"
-+#elif CONFIG_COLDFIRE
-+#include "vmlinux-cf.lds"
- #else
- #include "vmlinux-std.lds"
- #endif
---- a/arch/m68k/lib/checksum.c
-+++ b/arch/m68k/lib/checksum.c
-@@ -30,6 +30,10 @@
- * 1998/8/31 Andreas Schwab:
- * Zero out rest of buffer on exception in
- * csum_partial_copy_from_user.
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
- */
-
- #include <linux/module.h>
-@@ -39,8 +43,132 @@
- * computes a partial checksum, e.g. for TCP/UDP fragments
- */
-
-+#ifdef CONFIG_COLDFIRE
-+
-+static inline unsigned short from32to16(unsigned long x)
-+{
-+ /* add up 16-bit and 16-bit for 16+c bit */
-+ x = (x & 0xffff) + (x >> 16);
-+ /* add up carry.. */
-+ x = (x & 0xffff) + (x >> 16);
-+ return x;
-+}
-+
-+static unsigned long do_csum(const unsigned char *buff, int len)
-+{
-+ int odd, count;
-+ unsigned long result = 0;
-+
-+ if (len <= 0)
-+ goto out;
-+ odd = 1 & (unsigned long) buff;
-+ if (odd) {
-+ result = *buff;
-+ len--;
-+ buff++;
-+ }
-+ count = len >> 1; /* nr of 16-bit words.. */
-+ if (count) {
-+ if (2 & (unsigned long) buff) {
-+ result += *(unsigned short *) buff;
-+ count--;
-+ len -= 2;
-+ buff += 2;
-+ }
-+ count >>= 1; /* nr of 32-bit words.. */
-+ if (count) {
-+ unsigned long carry = 0;
-+ do {
-+ unsigned long w = *(unsigned long *) buff;
-+ count--;
-+ buff += 4;
-+ result += carry;
-+ result += w;
-+ carry = (w > result);
-+ } while (count);
-+ result += carry;
-+ result = (result & 0xffff) + (result >> 16);
-+ }
-+ if (len & 2) {
-+ result += *(unsigned short *) buff;
-+ buff += 2;
-+ }
-+ }
-+ if (len & 1)
-+ result += (*buff << 8);
-+ result = from32to16(result);
-+ if (odd)
-+ result = ((result >> 8) & 0xff) | ((result & 0xff) << 8);
-+out:
-+ return result;
-+}
-+
-+/*
-+ * This is a version of ip_compute_csum() optimized for IP headers,
-+ * which always checksum on 4 octet boundaries.
-+ */
-+__sum16 ip_fast_csum(const void *iph, unsigned int ihl)
-+{
-+ return ~do_csum(iph, ihl*4);
-+}
-+EXPORT_SYMBOL(ip_fast_csum);
-+
-+/*
-+ * computes the checksum of a memory block at buff, length len,
-+ * and adds in "sum" (32-bit)
-+ *
-+ * returns a 32-bit number suitable for feeding into itself
-+ * or csum_tcpudp_magic
-+ *
-+ * this function must be called with even lengths, except
-+ * for the last fragment, which may be odd
-+ *
-+ * it's best to have buff aligned on a 32-bit boundary
-+ */
- __wsum csum_partial(const void *buff, int len, __wsum sum)
- {
-+ unsigned int result = do_csum(buff, len);
-+
-+ /* add in old sum, and carry.. */
-+ result += sum;
-+ if (sum > result)
-+ result += 1;
-+ return result;
-+}
-+EXPORT_SYMBOL(csum_partial);
-+
-+/*
-+ * copy from fs while checksumming, otherwise like csum_partial
-+ */
-+
-+__wsum
-+csum_partial_copy_from_user(const void __user *src, void *dst, int len,
-+ __wsum sum, int *csum_err)
-+{
-+ if (csum_err)
-+ *csum_err = 0;
-+ memcpy(dst, src, len);
-+ return csum_partial(dst, len, sum);
-+}
-+EXPORT_SYMBOL(csum_partial_copy_from_user);
-+
-+/*
-+ * copy from ds while checksumming, otherwise like csum_partial
-+ */
-+
-+__wsum
-+csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
-+{
-+ memcpy(dst, src, len);
-+ return csum_partial(dst, len, sum);
-+}
-+EXPORT_SYMBOL(csum_partial_copy_nocheck);
-+
-+#else /* !CONFIG_COLDFIRE */
-+
-+unsigned int
-+csum_partial(const unsigned char *buff, int len, unsigned int sum)
-+{
- unsigned long tmp1, tmp2;
- /*
- * Experiments with ethernet and slip connections show that buff
-@@ -423,3 +551,4 @@ csum_partial_copy_nocheck(const void *sr
- return(sum);
- }
- EXPORT_SYMBOL(csum_partial_copy_nocheck);
-+#endif /* CONFIG_COLDFIRE */
---- a/arch/m68k/lib/muldi3.c
-+++ b/arch/m68k/lib/muldi3.c
-@@ -1,6 +1,9 @@
- /* muldi3.c extracted from gcc-2.7.2.3/libgcc2.c and
- gcc-2.7.2.3/longlong.h which is: */
- /* Copyright (C) 1989, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
-+ Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ Jason Jin Jason.Jin@freescale.com
-+ Shrek Wu B16972@freescale.com
-
- This file is part of GNU CC.
-
-@@ -21,12 +24,22 @@ Boston, MA 02111-1307, USA. */
-
- #define BITS_PER_UNIT 8
-
-+#ifdef CONFIG_COLDFIRE
-+#define umul_ppmm(w1, w0, u, v) \
-+ do { \
-+ unsigned long long x; \
-+ x = (unsigned long long)u * v; \
-+ w0 = (unsigned long)(x & 0x00000000ffffffff); \
-+ w1 = (unsigned long)(x & 0xffffffff00000000) >> 32; \
-+ } while (0)
-+#else /* CONFIG_COLDFIRE */
- #define umul_ppmm(w1, w0, u, v) \
- __asm__ ("mulu%.l %3,%1:%0" \
- : "=d" ((USItype)(w0)), \
- "=d" ((USItype)(w1)) \
- : "%0" ((USItype)(u)), \
- "dmi" ((USItype)(v)))
-+#endif /* CONFIG_COLDFIRE */
-
- #define __umulsidi3(u, v) \
- ({DIunion __w; \
---- a/arch/m68k/lib/string.c
-+++ b/arch/m68k/lib/string.c
-@@ -1,4 +1,8 @@
- /*
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
- * 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.
-@@ -21,6 +25,7 @@ char *strcat(char *dest, const char *src
- }
- EXPORT_SYMBOL(strcat);
-
-+#ifndef CONFIG_COLDFIRE
- void *memset(void *s, int c, size_t count)
- {
- void *xs = s;
-@@ -149,6 +154,69 @@ void *memcpy(void *to, const void *from,
- }
- EXPORT_SYMBOL(memcpy);
-
-+#else /* CONFIG_COLDFIRE */
-+
-+void *memset(void *s, int c, size_t count)
-+{
-+ unsigned long x;
-+ void *originalTo = s;
-+
-+ for (x = 0; x < count; x++)
-+ *(unsigned char *)s++ = (unsigned char)c;
-+
-+ return originalTo;
-+}
-+EXPORT_SYMBOL(memset);
-+
-+void *memcpy(void *to, const void *from, size_t n)
-+{
-+ void *xto = to;
-+ size_t temp;
-+
-+ if (!n)
-+ return xto;
-+ if ((long) to & 1) {
-+ char *cto = to;
-+ const char *cfrom = from;
-+ *cto++ = *cfrom++;
-+ to = cto;
-+ from = cfrom;
-+ n--;
-+ }
-+ if (n > 2 && (long) to & 2) {
-+ short *sto = to;
-+ const short *sfrom = from;
-+ *sto++ = *sfrom++;
-+ to = sto;
-+ from = sfrom;
-+ n -= 2;
-+ }
-+ temp = n >> 2;
-+ if (temp) {
-+ long *lto = to;
-+ const long *lfrom = from;
-+ for (; temp; temp--)
-+ *lto++ = *lfrom++;
-+ to = lto;
-+ from = lfrom;
-+ }
-+ if (n & 2) {
-+ short *sto = to;
-+ const short *sfrom = from;
-+ *sto++ = *sfrom++;
-+ to = sto;
-+ from = sfrom;
-+ }
-+ if (n & 1) {
-+ char *cto = to;
-+ const char *cfrom = from;
-+ *cto = *cfrom;
-+ }
-+ return xto;
-+}
-+EXPORT_SYMBOL(memcpy);
-+#endif /* CONFIG_COLDFIRE */
-+
- void *memmove(void *dest, const void *src, size_t n)
- {
- void *xdest = dest;
---- a/arch/m68k/lib/uaccess.c
-+++ b/arch/m68k/lib/uaccess.c
-@@ -1,10 +1,15 @@
- /*
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
- * 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.
- */
-
- #include <linux/module.h>
-+#ifndef CONFIG_COLDFIRE
- #include <asm/uaccess.h>
-
- unsigned long __generic_copy_from_user(void *to, const void __user *from,
-@@ -220,3 +225,245 @@ unsigned long __clear_user(void __user *
- return res;
- }
- EXPORT_SYMBOL(__clear_user);
-+
-+#else /* CONFIG_COLDFIRE */
-+
-+#include <asm/cf_uaccess.h>
-+
-+unsigned long __generic_copy_from_user(void *to, const void *from,
-+ unsigned long n)
-+{
-+ unsigned long tmp;
-+ __asm__ __volatile__
-+ (" tstl %2\n"
-+ " jeq 2f\n"
-+ "1: movel (%1)+,%3\n"
-+ " movel %3,(%0)+\n"
-+ " subql #1,%2\n"
-+ " jne 1b\n"
-+ "2: movel %4,%2\n"
-+ " bclr #1,%2\n"
-+ " jeq 4f\n"
-+ "3: movew (%1)+,%3\n"
-+ " movew %3,(%0)+\n"
-+ "4: bclr #0,%2\n"
-+ " jeq 6f\n"
-+ "5: moveb (%1)+,%3\n"
-+ " moveb %3,(%0)+\n"
-+ "6:\n"
-+ ".section .fixup,\"ax\"\n"
-+ " .even\n"
-+ "7: movel %2,%%d0\n"
-+ "71:clrl (%0)+\n"
-+ " subql #1,%%d0\n"
-+ " jne 71b\n"
-+ " lsll #2,%2\n"
-+ " addl %4,%2\n"
-+ " btst #1,%4\n"
-+ " jne 81f\n"
-+ " btst #0,%4\n"
-+ " jne 91f\n"
-+ " jra 6b\n"
-+ "8: addql #2,%2\n"
-+ "81:clrw (%0)+\n"
-+ " btst #0,%4\n"
-+ " jne 91f\n"
-+ " jra 6b\n"
-+ "9: addql #1,%2\n"
-+ "91:clrb (%0)+\n"
-+ " jra 6b\n"
-+ ".previous\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 1b,7b\n"
-+ " .long 3b,8b\n"
-+ " .long 5b,9b\n"
-+ ".previous"
-+ : "=a"(to), "=a"(from), "=d"(n), "=&d"(tmp)
-+ : "d"(n & 3), "0"(to), "1"(from), "2"(n/4)
-+ : "d0", "memory");
-+ return n;
-+}
-+EXPORT_SYMBOL(__generic_copy_from_user);
-+
-+
-+unsigned long __generic_copy_to_user(void *to, const void *from,
-+ unsigned long n)
-+{
-+ unsigned long tmp;
-+ __asm__ __volatile__
-+ (" tstl %2\n"
-+ " jeq 3f\n"
-+ "1: movel (%1)+,%3\n"
-+ "22:movel %3,(%0)+\n"
-+ "2: subql #1,%2\n"
-+ " jne 1b\n"
-+ "3: movel %4,%2\n"
-+ " bclr #1,%2\n"
-+ " jeq 4f\n"
-+ " movew (%1)+,%3\n"
-+ "24:movew %3,(%0)+\n"
-+ "4: bclr #0,%2\n"
-+ " jeq 5f\n"
-+ " moveb (%1)+,%3\n"
-+ "25:moveb %3,(%0)+\n"
-+ "5:\n"
-+ ".section .fixup,\"ax\"\n"
-+ " .even\n"
-+ "60:addql #1,%2\n"
-+ "6: lsll #2,%2\n"
-+ " addl %4,%2\n"
-+ " jra 5b\n"
-+ "7: addql #2,%2\n"
-+ " jra 5b\n"
-+ "8: addql #1,%2\n"
-+ " jra 5b\n"
-+ ".previous\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 1b,60b\n"
-+ " .long 22b,6b\n"
-+ " .long 2b,6b\n"
-+ " .long 24b,7b\n"
-+ " .long 3b,60b\n"
-+ " .long 4b,7b\n"
-+ " .long 25b,8b\n"
-+ " .long 5b,8b\n"
-+ ".previous"
-+ : "=a"(to), "=a"(from), "=d"(n), "=&d"(tmp)
-+ : "r"(n & 3), "0"(to), "1"(from), "2"(n / 4)
-+ : "memory");
-+ return n;
-+}
-+EXPORT_SYMBOL(__generic_copy_to_user);
-+
-+/*
-+ * Copy a null terminated string from userspace.
-+ */
-+
-+long strncpy_from_user(char *dst, const char *src, long count)
-+{
-+ long res = -EFAULT;
-+ if (!(access_ok(VERIFY_READ, src, 1))) /* --tym-- */
-+ return res;
-+ if (count == 0)
-+ return count;
-+ __asm__ __volatile__
-+ ("1: moveb (%2)+,%%d0\n"
-+ "12:moveb %%d0,(%1)+\n"
-+ " jeq 2f\n"
-+ " subql #1,%3\n"
-+ " jne 1b\n"
-+ "2: subl %3,%0\n"
-+ "3:\n"
-+ ".section .fixup,\"ax\"\n"
-+ " .even\n"
-+ "4: movel %4,%0\n"
-+ " jra 3b\n"
-+ ".previous\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 1b,4b\n"
-+ " .long 12b,4b\n"
-+ ".previous"
-+ : "=d"(res), "=a"(dst), "=a"(src), "=d"(count)
-+ : "i"(-EFAULT), "0"(count), "1"(dst), "2"(src), "3"(count)
-+ : "d0", "memory");
-+ return res;
-+}
-+EXPORT_SYMBOL(strncpy_from_user);
-+
-+/*
-+ * Return the size of a string (including the ending 0)
-+ *
-+ * Return 0 on exception, a value greater than N if too long
-+ */
-+long strnlen_user(const char *src, long n)
-+{
-+ long res = -EFAULT;
-+ if (!(access_ok(VERIFY_READ, src, 1))) /* --tym-- */
-+ return res;
-+
-+ res = -(long)src;
-+ __asm__ __volatile__
-+ ("1:\n"
-+ " tstl %2\n"
-+ " jeq 3f\n"
-+ "2: moveb (%1)+,%%d0\n"
-+ "22:\n"
-+ " subql #1,%2\n"
-+ " tstb %%d0\n"
-+ " jne 1b\n"
-+ " jra 4f\n"
-+ "3:\n"
-+ " addql #1,%0\n"
-+ "4:\n"
-+ " addl %1,%0\n"
-+ "5:\n"
-+ ".section .fixup,\"ax\"\n"
-+ " .even\n"
-+ "6: moveq %3,%0\n"
-+ " jra 5b\n"
-+ ".previous\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 2b,6b\n"
-+ " .long 22b,6b\n"
-+ ".previous"
-+ : "=d"(res), "=a"(src), "=d"(n)
-+ : "i"(0), "0"(res), "1"(src), "2"(n)
-+ : "d0");
-+ return res;
-+}
-+EXPORT_SYMBOL(strnlen_user);
-+
-+
-+/*
-+ * Zero Userspace
-+ */
-+
-+unsigned long __clear_user(void *to, unsigned long n)
-+{
-+ __asm__ __volatile__
-+ (" tstl %1\n"
-+ " jeq 3f\n"
-+ "1: movel %3,(%0)+\n"
-+ "2: subql #1,%1\n"
-+ " jne 1b\n"
-+ "3: movel %2,%1\n"
-+ " bclr #1,%1\n"
-+ " jeq 4f\n"
-+ "24:movew %3,(%0)+\n"
-+ "4: bclr #0,%1\n"
-+ " jeq 5f\n"
-+ "25:moveb %3,(%0)+\n"
-+ "5:\n"
-+ ".section .fixup,\"ax\"\n"
-+ " .even\n"
-+ "61:addql #1,%1\n"
-+ "6: lsll #2,%1\n"
-+ " addl %2,%1\n"
-+ " jra 5b\n"
-+ "7: addql #2,%1\n"
-+ " jra 5b\n"
-+ "8: addql #1,%1\n"
-+ " jra 5b\n"
-+ ".previous\n"
-+ ".section __ex_table,\"a\"\n"
-+ " .align 4\n"
-+ " .long 1b,61b\n"
-+ " .long 2b,6b\n"
-+ " .long 3b,61b\n"
-+ " .long 24b,7b\n"
-+ " .long 4b,7b\n"
-+ " .long 25b,8b\n"
-+ " .long 5b,8b\n"
-+ ".previous"
-+ : "=a"(to), "=d"(n)
-+ : "r"(n & 3), "d"(0), "0"(to), "1"(n/4));
-+ return n;
-+}
-+EXPORT_SYMBOL(__clear_user);
-+
-+#endif /* CONFIG_COLDFIRE */
-+
---- a/arch/m68k/mm/Makefile
-+++ b/arch/m68k/mm/Makefile
-@@ -6,3 +6,5 @@ obj-y := cache.o init.o fault.o hwtest.
-
- obj-$(CONFIG_MMU_MOTOROLA) += kmap.o memory.o motorola.o
- obj-$(CONFIG_MMU_SUN3) += sun3kmap.o sun3mmu.o
-+obj-$(CONFIG_MMU_CFV4E) += cf-mmu.o kmap.o memory.o
-+obj-$(CONFIG_SRAM) += cf-sram.o
---- a/arch/m68k/mm/cache.c
-+++ b/arch/m68k/mm/cache.c
-@@ -4,13 +4,24 @@
- * Instruction cache handling
- *
- * Copyright (C) 1995 Hamish Macdonald
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- */
-
- #include <linux/module.h>
- #include <asm/pgalloc.h>
- #include <asm/traps.h>
-
-+#ifdef CONFIG_COLDFIRE
-+#include <asm/cfcache.h>
-+#endif /* CONFIG_COLDFIRE */
-
-+#ifndef CONFIG_COLDFIRE
- static unsigned long virt_to_phys_slow(unsigned long vaddr)
- {
- if (CPU_IS_060) {
-@@ -69,11 +80,16 @@ static unsigned long virt_to_phys_slow(u
- }
- return 0;
- }
-+#endif /* CONFIG_COLDFIRE */
-+
-
- /* Push n pages at kernel virtual address and clear the icache */
- /* RZ: use cpush %bc instead of cpush %dc, cinv %ic */
- void flush_icache_range(unsigned long address, unsigned long endaddr)
- {
-+#ifdef CONFIG_COLDFIRE
-+ flush_icache();
-+#else /* !CONFIG_COLDFIRE */
-
- if (CPU_IS_040_OR_060) {
- address &= PAGE_MASK;
-@@ -94,9 +110,11 @@ void flush_icache_range(unsigned long ad
- : "=&d" (tmp)
- : "di" (FLUSH_I));
- }
-+#endif /* CONFIG_COLDFIRE */
- }
- EXPORT_SYMBOL(flush_icache_range);
-
-+#ifndef CONFIG_COLDFIRE
- void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
- unsigned long addr, int len)
- {
-@@ -115,4 +133,5 @@ void flush_icache_user_range(struct vm_a
- : "di" (FLUSH_I));
- }
- }
-+#endif /* CONFIG_COLDFIRE */
-
---- /dev/null
-+++ b/arch/m68k/mm/cf-mmu.c
-@@ -0,0 +1,311 @@
-+/*
-+ * linux/arch/m68k/mm/cf-mmu.c
-+ *
-+ * Based upon linux/arch/m68k/mm/sun3mmu.c
-+ * Based upon linux/arch/ppc/mm/mmu_context.c
-+ *
-+ * Implementations of mm routines specific to the Coldfire MMU.
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
-+ */
-+
-+#include <linux/signal.h>
-+#include <linux/sched.h>
-+#include <linux/mm.h>
-+#include <linux/swap.h>
-+#include <linux/kernel.h>
-+#include <linux/string.h>
-+#include <linux/types.h>
-+#include <linux/init.h>
-+#ifdef CONFIG_BLK_DEV_RAM
-+#include <linux/blkdev.h>
-+#endif
-+#include <linux/bootmem.h>
-+
-+#include <asm/setup.h>
-+#include <asm/uaccess.h>
-+#include <asm/page.h>
-+#include <asm/pgtable.h>
-+#include <asm/system.h>
-+#include <asm/machdep.h>
-+#include <asm/io.h>
-+#include <asm/mmu_context.h>
-+#include <asm/cf_pgalloc.h>
-+
-+#include <asm/coldfire.h>
-+#include <asm/tlbflush.h>
-+
-+#define KMAPAREA(x) ((x >= VMALLOC_START) && (x < KMAP_END))
-+
-+#undef DEBUG
-+
-+#ifdef CONFIG_VDSO
-+unsigned long next_mmu_context;
-+#else
-+mm_context_t next_mmu_context;
-+#endif
-+
-+unsigned long context_map[LAST_CONTEXT / BITS_PER_LONG + 1];
-+
-+atomic_t nr_free_contexts;
-+struct mm_struct *context_mm[LAST_CONTEXT+1];
-+const char bad_pmd_string[] = "Bad pmd in pte_alloc: %08lx\n";
-+
-+extern unsigned long num_pages;
-+EXPORT_SYMBOL(num_pages);
-+/*
-+ * Free memory used for system initialization.
-+ */
-+void free_initmem(void)
-+{
-+#if 0
-+ unsigned long addr;
-+ unsigned long start = (unsigned long)&__init_begin;
-+ unsigned long end = (unsigned long)&__init_end;
-+
-+ printk(KERN_INFO "free_initmem: __init_begin = 0x%lx"
-+ " __init_end = 0x%lx\n", start, end);
-+
-+ addr = (unsigned long)&__init_begin;
-+ for (; addr < (unsigned long)&__init_end; addr += PAGE_SIZE) {
-+ /* not currently used */
-+ virt_to_page(addr)->flags &= ~(1 << PG_reserved);
-+ init_page_count(virt_to_page(addr));
-+ free_page(addr);
-+ totalram_pages++;
-+ }
-+#endif
-+}
-+
-+/*
-+ * Initialize the paging system.
-+ */
-+void __init paging_init(void)
-+{
-+ pgd_t *pg_dir;
-+ pte_t *pg_table;
-+ int i;
-+ unsigned long address;
-+ unsigned long next_pgtable;
-+ unsigned long zones_size[MAX_NR_ZONES];
-+ unsigned long size;
-+ enum zone_type zone;
-+
-+ /* allocate zero page */
-+ empty_zero_page = (void *)alloc_bootmem_pages(PAGE_SIZE);
-+ memset((void *)empty_zero_page, 0, PAGE_SIZE);
-+
-+ /* zero kernel page directory */
-+ pg_dir = swapper_pg_dir;
-+ memset(swapper_pg_dir, 0, sizeof(swapper_pg_dir));
-+ /*
-+ * setup page tables for PHYSRAM
-+ */
-+
-+ /* starting loc in page directory */
-+ pg_dir += PAGE_OFFSET >> PGDIR_SHIFT;
-+
-+ /* allocate page tables */
-+ size = num_pages * sizeof(pte_t);
-+ size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
-+ next_pgtable = (unsigned long)alloc_bootmem_pages(size);
-+ address = PAGE_OFFSET;
-+ while (address < (unsigned long)high_memory) {
-+ /* setup page table in page directory */
-+ pg_table = (pte_t *)next_pgtable;
-+ next_pgtable += PTRS_PER_PTE * sizeof(pte_t);
-+ pgd_val(*pg_dir) = (unsigned long)pg_table;
-+ pg_dir++;
-+
-+ /* create PTEs in page table */
-+ for (i = 0; i < PTRS_PER_PTE; ++i, ++pg_table) {
-+ pte_t pte = pfn_pte(virt_to_pfn(address), PAGE_INIT);
-+ if (address >= (unsigned long)high_memory)
-+ pte_val(pte) = 0;
-+
-+ set_pte(pg_table, pte);
-+ address += PAGE_SIZE;
-+ }
-+ }
-+
-+ /*
-+ * setup page tables for DMA area
-+ */
-+
-+ /* starting loc in page directory */
-+ pg_dir = swapper_pg_dir;
-+ pg_dir += CONFIG_DMA_BASE >> PGDIR_SHIFT;
-+
-+ /* allocate page tables */
-+ size = (CONFIG_DMA_SIZE >> PAGE_SHIFT) * sizeof(pte_t);
-+ size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1);
-+ next_pgtable = (unsigned long)alloc_bootmem_pages(size);
-+ address = CONFIG_DMA_BASE;
-+ while (address < (CONFIG_DMA_BASE + CONFIG_DMA_SIZE)) {
-+ /* setup page table in page directory */
-+ pg_table = (pte_t *)next_pgtable;
-+ next_pgtable += PTRS_PER_PTE * sizeof(pte_t);
-+ pgd_val(*pg_dir) = (unsigned long)pg_table;
-+ pg_dir++;
-+
-+ /* create PTEs in page table */
-+ for (i = 0; i < PTRS_PER_PTE; ++i, ++pg_table) {
-+ pte_t pte = pfn_pte(virt_to_pfn(address), PAGE_INIT);
-+ if (address >= (CONFIG_DMA_BASE + CONFIG_DMA_SIZE))
-+ pte_val(pte) = 0;
-+
-+ set_pte(pg_table, pte);
-+ address += PAGE_SIZE;
-+ }
-+ }
-+
-+ /*
-+ * setup zones
-+ */
-+
-+ current->mm = NULL;
-+
-+ /* clear zones */
-+ for (zone = 0; zone < MAX_NR_ZONES; zone++)
-+ zones_size[zone] = 0x0;
-+
-+ zones_size[ZONE_DMA] = CONFIG_DMA_SIZE >> PAGE_SHIFT;
-+ zones_size[ZONE_NORMAL] = (((unsigned long)high_memory -
-+ PAGE_OFFSET) >> PAGE_SHIFT) -
-+ zones_size[ZONE_DMA];
-+
-+ free_area_init(zones_size);
-+}
-+/*
-+ * Handle a missed TLB
-+ */
-+int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
-+{
-+ struct mm_struct *mm;
-+ pgd_t *pgd;
-+ pmd_t *pmd;
-+ pte_t *pte;
-+ unsigned long mmuar;
-+ int asid;
-+ unsigned long flags;
-+
-+ local_save_flags(flags);
-+ local_irq_disable();
-+
-+ mmuar = (dtlb) ? regs->mmuar
-+ : regs->pc + (extension_word * sizeof(long));
-+
-+ mm = (!user_mode(regs) && KMAPAREA(mmuar)) ? &init_mm : current->mm;
-+
-+ if (!mm) {
-+ local_irq_restore(flags);
-+ return -1;
-+ }
-+
-+ pgd = pgd_offset(mm, mmuar);
-+ if (pgd_none(*pgd)) {
-+ local_irq_restore(flags);
-+ return -1;
-+ }
-+
-+ pmd = pmd_offset(pgd, mmuar);
-+ if (pmd_none(*pmd)) {
-+ local_irq_restore(flags);
-+ return -1;
-+ }
-+
-+ pte = (KMAPAREA(mmuar)) ? pte_offset_kernel(pmd, mmuar)
-+ : pte_offset_map(pmd, mmuar);
-+ if (pte_none(*pte) || !pte_present(*pte)) {
-+ local_irq_restore(flags);
-+ return -1;
-+ }
-+
-+ if (write) {
-+ if (!pte_write(*pte)) {
-+ local_irq_restore(flags);
-+ return -1;
-+ }
-+ set_pte(pte, pte_mkdirty(*pte));
-+ }
-+
-+ set_pte(pte, pte_mkyoung(*pte));
-+ asid = cpu_context(mm) & 0xff;
-+ if (!pte_dirty(*pte) && !KMAPAREA(mmuar))
-+ set_pte(pte, pte_wrprotect(*pte));
-+
-+ *MMUTR = (mmuar & PAGE_MASK) | (asid << CF_ASID_MMU_SHIFT)
-+ | (((int)(pte->pte) & (int)CF_PAGE_MMUTR_MASK)
-+ >> CF_PAGE_MMUTR_SHIFT) | MMUTR_V;
-+
-+ *MMUDR = (pte_val(*pte) & PAGE_MASK)
-+ | ((pte->pte) & CF_PAGE_MMUDR_MASK)
-+ | MMUDR_SZ8K | MMUDR_X;
-+
-+ if (dtlb)
-+ *MMUOR = MMUOR_ACC | MMUOR_UAA;
-+ else
-+ *MMUOR = MMUOR_ITLB | MMUOR_ACC | MMUOR_UAA;
-+
-+ asm("nop");
-+
-+#ifdef DEBUG
-+ printk(KERN_INFO "cf_tlb_miss: va=%lx, pa=%lx\n", (mmuar & PAGE_MASK),
-+ (pte_val(*pte) & PAGE_MASK));
-+#endif
-+ local_irq_restore(flags);
-+ return 0;
-+}
-+
-+
-+/*
-+ * Context Management
-+ *
-+ * Based on arch/ppc/mmu_context.c
-+ */
-+
-+/*
-+ * Initialize the context management system.
-+ */
-+void __init mmu_context_init(void)
-+{
-+ /*
-+ * Some processors have too few contexts to reserve one for
-+ * init_mm, and require using context 0 for a normal task.
-+ * Other processors reserve the use of context zero for the kernel.
-+ * This code assumes FIRST_CONTEXT < 32.
-+ */
-+ context_map[0] = (1 << FIRST_CONTEXT) - 1;
-+ next_mmu_context = FIRST_CONTEXT;
-+ atomic_set(&nr_free_contexts, LAST_CONTEXT - FIRST_CONTEXT + 1);
-+}
-+
-+/*
-+ * Steal a context from a task that has one at the moment.
-+ * This is only used on 8xx and 4xx and we presently assume that
-+ * they don't do SMP. If they do then thicfpgalloc.hs will have to check
-+ * whether the MM we steal is in use.
-+ * We also assume that this is only used on systems that don't
-+ * use an MMU hash table - this is true for 8xx and 4xx.
-+ * This isn't an LRU system, it just frees up each context in
-+ * turn (sort-of pseudo-random replacement :). This would be the
-+ * place to implement an LRU scheme if anyone was motivated to do it.
-+ * -- paulus
-+ */
-+void steal_context(void)
-+{
-+ struct mm_struct *mm;
-+ /* free up context `next_mmu_context' */
-+ /* if we shouldn't free context 0, don't... */
-+ if (next_mmu_context < FIRST_CONTEXT)
-+ next_mmu_context = FIRST_CONTEXT;
-+ mm = context_mm[next_mmu_context];
-+ flush_tlb_mm(mm);
-+ destroy_context(mm);
-+}
---- /dev/null
-+++ b/arch/m68k/mm/cf-sram.c
-@@ -0,0 +1,80 @@
-+/*
-+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Author: Lanttor.Guo@freescale.com
-+ *
-+ * Providing on-chip SRAM allocation and free APIs to kernel
-+ * The implemention uses gen_pool_alloc/gen_pool_free interface
-+ *
-+ * 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/module.h>
-+#include <linux/kernel.h>
-+#include <linux/init.h>
-+#include <linux/genalloc.h>
-+
-+/* sram memory min allocation size per once */
-+static long blk_size = CONFIG_SRAM_ALLOC_GRANULARITY;
-+static struct gen_pool *sram_pool;
-+
-+/*
-+ * Set up memory pools to manage on-chip sram.
-+ * @ start the start address of SRAM
-+ * @ size the size of SRAM
-+ * return return 0 express success
-+ */
-+int declare_sram_pool(void *start, size_t size)
-+{
-+ int status = 0;
-+
-+ pr_debug("%s %p %d\n", __func__, start, size);
-+
-+ sram_pool = gen_pool_create(ilog2(blk_size), -1);
-+ if (!sram_pool) {
-+ printk(KERN_ERR "gen_pool_creat faile at %s()\n", __func__);
-+ status = -ENOMEM;
-+ }
-+
-+ status = gen_pool_add(sram_pool, (unsigned long)start, size, -1);
-+ if (status < 0)
-+ printk(KERN_ERR "gen_pool_add failed at %s()\n", __func__);
-+
-+ return status;
-+
-+}
-+
-+/*
-+ * Allocate memory from sram pool
-+ * @ len the size of allocated memory
-+ * return return the start addr of allocated memory
-+ */
-+void *sram_alloc(size_t len)
-+{
-+ unsigned long vaddr;
-+
-+ if (!len) {
-+ printk(KERN_ERR "the len parameter of sram_alloc() is zero\n");
-+ return NULL;
-+ }
-+
-+ vaddr = gen_pool_alloc(sram_pool, len);
-+ if (!vaddr)
-+ return NULL;
-+
-+ return (void *)vaddr;
-+}
-+EXPORT_SYMBOL(sram_alloc);
-+
-+/*
-+ * Free memory to sram pool
-+ * @ addr the addr of allocated memory
-+ * @ len the size of allocated memory
-+ */
-+void sram_free(void *addr, size_t len)
-+{
-+ gen_pool_free(sram_pool, (unsigned long)addr, len);
-+}
-+EXPORT_SYMBOL(sram_free);
---- a/arch/m68k/mm/hwtest.c
-+++ b/arch/m68k/mm/hwtest.c
-@@ -12,6 +12,14 @@
- * them here complete with the comments from the original atari
- * config.c...
- * -- PMM <pmaydell@chiark.greenend.org.uk>, 05/1998
-+ *
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- */
-
- /* This function tests for the presence of an address, specially a
-@@ -25,6 +33,7 @@
-
- #include <linux/module.h>
-
-+#ifndef CONFIG_COLDFIRE
- int hwreg_present( volatile void *regp )
- {
- int ret = 0;
-@@ -82,4 +91,5 @@ int hwreg_write( volatile void *regp, un
- return( ret );
- }
- EXPORT_SYMBOL(hwreg_write);
-+#endif
-
---- a/arch/m68k/mm/init.c
-+++ b/arch/m68k/mm/init.c
-@@ -2,6 +2,13 @@
- * linux/arch/m68k/mm/init.c
- *
- * Copyright (C) 1995 Hamish Macdonald
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- *
- * Contains common initialization routines, specific init code moved
- * to motorola.c and sun3mmu.c
-@@ -32,6 +39,7 @@
- #include <asm/sections.h>
- #include <asm/tlb.h>
-
-+
- DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
- pg_data_t pg_data_map[MAX_NUMNODES];
-@@ -113,7 +121,7 @@ void __init mem_init(void)
- }
- }
-
--#ifndef CONFIG_SUN3
-+#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
- /* insert pointer tables allocated so far into the tablelist */
- init_pointer_table((unsigned long)kernel_pg_dir);
- for (i = 0; i < PTRS_PER_PGD; i++) {
-@@ -132,6 +140,11 @@ void __init mem_init(void)
- codepages << (PAGE_SHIFT-10),
- datapages << (PAGE_SHIFT-10),
- initpages << (PAGE_SHIFT-10));
-+
-+#ifdef CONFIG_VDSO
-+ /* init the vdso page */
-+ vdso_init();
-+#endif
- }
-
- #ifdef CONFIG_BLK_DEV_INITRD
---- a/arch/m68k/mm/kmap.c
-+++ b/arch/m68k/mm/kmap.c
-@@ -2,6 +2,13 @@
- * linux/arch/m68k/mm/kmap.c
- *
- * Copyright (C) 1997 Roman Hodek
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- *
- * 10/01/99 cleaned up the code and changing to the same interface
- * used by other architectures /Roman Zippel
-@@ -24,7 +31,11 @@
-
- #undef DEBUG
-
-+#ifndef CONFIG_COLDFIRE
- #define PTRTREESIZE (256*1024)
-+#else
-+#define PTRTREESIZE PAGE_SIZE
-+#endif
-
- /*
- * For 040/060 we can use the virtual memory area like other architectures,
-@@ -50,7 +61,11 @@ static inline void free_io_area(void *ad
-
- #else
-
-+#ifdef CONFIG_COLDFIRE
-+#define IO_SIZE PAGE_SIZE
-+#else
- #define IO_SIZE (256*1024)
-+#endif
-
- static struct vm_struct *iolist;
-
-@@ -126,8 +141,58 @@ void __iomem *__ioremap(unsigned long ph
- }
- #endif
-
-+#ifdef CONFIG_M5445X
-+ if (physaddr >= 0xf0000000) {
-+ /*
-+ * On the M5445x processors an ACR is setup to map
-+ * the 0xF0000000 range into kernel memory as
-+ * non-cacheable.
-+ */
-+ return (void __iomem *)physaddr;
-+ }
-+ if ((physaddr >= KMAP_START) && (physaddr <= KMAP_END)) {
-+ /* if physaddr belongs to virtual address range for ioremap,
-+ * then return physaddr because it has been ioremapped
-+ */
-+ return (void __iomem *)physaddr;
-+ }
-+#endif
-+#ifdef CONFIG_M547X_8X
-+ if (physaddr >= 0xf0000000) {
-+ /*
-+ * On the M547x/M548x processors an ACR is setup to map
-+ * the 0xF0000000 range into kernel memory as
-+ * non-cacheable.
-+ */
-+ return (void __iomem *)physaddr;
-+ }
-+
-+ if ((physaddr >= 0xd0000000) && (physaddr + size < 0xd800ffff)) {
-+ printk(KERN_ERR "ioremap:PCI 0x%lx,0x%lx(%d)"
-+ " - PCI area hit\n", physaddr, size, cacheflag);
-+ return (void *)physaddr;
-+ }
-+#endif
-+#ifdef CONFIG_M5441X
-+ if (physaddr >= 0xe0000000) {
-+ /*
-+ * On the M5441x processors an ACR is setup to map
-+ * the 0xe0000000 range into kernel memory as
-+ * non-cacheable.
-+ */
-+ return (void __iomem *)physaddr;
-+ }
-+ if ((physaddr >= KMAP_START) && (physaddr <= KMAP_END)) {
-+ /* if physaddr belongs to virtual address range for ioremap,
-+ * then return physaddr because it has been ioremapped
-+ */
-+ return (void __iomem *)physaddr;
-+ }
-+#endif
-+
- #ifdef DEBUG
-- printk("ioremap: 0x%lx,0x%lx(%d) - ", physaddr, size, cacheflag);
-+ printk(KERN_ERR "ioremap: paddr=0x%lx,size=0x%lx(%d) - ",
-+ physaddr, size, cacheflag);
- #endif
- /*
- * Mappings have to be aligned
-@@ -146,7 +211,8 @@ void __iomem *__ioremap(unsigned long ph
- virtaddr = (unsigned long)area->addr;
- retaddr = virtaddr + offset;
- #ifdef DEBUG
-- printk("0x%lx,0x%lx,0x%lx", physaddr, virtaddr, retaddr);
-+ printk(KERN_ERR " paddr=0x%lx,vaddr=0x%lx,retaddr=0x%lx",
-+ physaddr, virtaddr, retaddr);
- #endif
-
- /*
-@@ -171,7 +237,12 @@ void __iomem *__ioremap(unsigned long ph
- break;
- }
- } else {
-+#ifndef CONFIG_COLDFIRE
- physaddr |= (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY);
-+#else
-+ physaddr |= (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY | \
-+ _PAGE_READWRITE);
-+#endif
- switch (cacheflag) {
- case IOMAP_NOCACHE_SER:
- case IOMAP_NOCACHE_NONSER:
-@@ -251,6 +322,13 @@ void __iounmap(void *addr, unsigned long
- pmd_t *pmd_dir;
- pte_t *pte_dir;
-
-+#ifdef CONFIG_M547X_8X
-+ if ((addr >= (void *)0xd0000000)
-+ && (addr + size < (void *)0xd800ffff)) {
-+ printk(KERN_ERR "%s: PCI address\n", __func__);
-+ return;
-+ }
-+#endif
- while ((long)size > 0) {
- pgd_dir = pgd_offset_k(virtaddr);
- if (pgd_bad(*pgd_dir)) {
---- a/arch/m68k/mm/memory.c
-+++ b/arch/m68k/mm/memory.c
-@@ -2,6 +2,13 @@
- * linux/arch/m68k/mm/memory.c
- *
- * Copyright (C) 1995 Hamish Macdonald
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
-+ *
-+ * 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.
- */
-
- #include <linux/module.h>
-@@ -127,6 +134,7 @@ int free_pointer_table (pmd_t *ptable)
- return 0;
- }
-
-+#ifndef CONFIG_COLDFIRE
- /* invalidate page in both caches */
- static inline void clear040(unsigned long paddr)
- {
-@@ -173,6 +181,7 @@ static inline void pushcl040(unsigned lo
- clear040(paddr);
- local_irq_restore(flags);
- }
-+#endif /* CONFIG_COLDFIRE */
-
- /*
- * 040: Hit every page containing an address in the range paddr..paddr+len-1.
-@@ -203,6 +212,9 @@ static inline void pushcl040(unsigned lo
-
- void cache_clear (unsigned long paddr, int len)
- {
-+#ifdef CONFIG_COLDFIRE
-+ flush_bcache();
-+#else
- if (CPU_IS_040_OR_060) {
- int tmp;
-
-@@ -237,6 +249,7 @@ void cache_clear (unsigned long paddr, i
- if(mach_l2_flush)
- mach_l2_flush(0);
- #endif
-+#endif /* CONFIG_COLDFIRE */
- }
- EXPORT_SYMBOL(cache_clear);
-
-@@ -250,6 +263,9 @@ EXPORT_SYMBOL(cache_clear);
-
- void cache_push (unsigned long paddr, int len)
- {
-+#ifdef CONFIG_COLDFIRE
-+ flush_bcache();
-+#else
- if (CPU_IS_040_OR_060) {
- int tmp = PAGE_SIZE;
-
-@@ -290,6 +306,7 @@ void cache_push (unsigned long paddr, in
- if(mach_l2_flush)
- mach_l2_flush(1);
- #endif
-+#endif /* CONFIG_COLDFIRE */
- }
- EXPORT_SYMBOL(cache_push);
-
---- a/fs/namespace.c
-+++ b/fs/namespace.c
-@@ -3,6 +3,10 @@
- *
- * (C) Copyright Al Viro 2000, 2001
- * Released under GPL v2.
-+ * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All Rights Reserved.
-+ * Change to align on page size for coldfire
-+ * Jason Jin Jason.Jin@freescale.com
-+ * Shrek Wu B16972@freescale.com
- *
- * Based on code from fs/super.c, copyright Linus Torvalds and others.
- * Heavily rewritten.
-@@ -2161,7 +2165,11 @@ int copy_mount_options(const void __user
- /* copy_from_user cannot cross TASK_SIZE ! */
- size = TASK_SIZE - (unsigned long)data;
- if (size > PAGE_SIZE)
-+#ifndef CONFIG_COLDFIRE
- size = PAGE_SIZE;
-+#else
-+ size = PAGE_SIZE - ((unsigned long)data & ~PAGE_MASK);
-+#endif
-
- i = size - exact_copy_from_user((void *)page, data, size);
- if (!i) {
---- a/include/linux/fsl_devices.h
-+++ b/include/linux/fsl_devices.h
-@@ -6,7 +6,7 @@
- *
- * Maintainer: Kumar Gala <galak@kernel.crashing.org>
- *
-- * Copyright 2004 Freescale Semiconductor, Inc
-+ * Copyright (C) 2004-2011 Freescale Semiconductor, Inc. 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
-@@ -18,7 +18,7 @@
- #define _FSL_DEVICE_H_
-
- #include <linux/types.h>
--
-+#include <linux/interrupt.h>
- /*
- * Some conventions on how we handle peripherals on Freescale chips
- *
-@@ -119,4 +119,14 @@ int fsl_deep_sleep(void);
- static inline int fsl_deep_sleep(void) { return 0; }
- #endif
-
-+struct fsl_ata_platform_data {
-+#ifdef CONFIG_FSL_PATA_USE_DMA
-+ int udma_mask; /* UDMA modes h/w can handle */
-+ int fifo_alarm; /* value for fifo_alarm reg */
-+ int max_sg; /* longest sglist h/w can handle */
-+#endif
-+ int (*init)(struct platform_device *pdev);
-+ void (*exit)(void);
-+ int (*get_clk_rate)(void);
-+};
- #endif /* _FSL_DEVICE_H_ */
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