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Commit 0cf975e1 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'cris' of git://www.jni.nu/cris 

* 'cris' of git://www.jni.nu/cris: (158 commits)
  CRIS v32: Remove hwregs/timer_defs.h, it is now architecture specific.
  CRIS v32: Change drivers/i2c.c locking.
  CRIS v32: Rewrite ARTPEC-3 gpio driver to avoid volatiles and general cleanup.
  CRIS: Add new timerfd syscall entries.
  MAINTAINERS: Add my information for the CRIS port.
  CRIS v32: Correct spelling of bandwidth in function name.
  CRIS v32: Clean up nandflash.c for ARTPEC-3 and ETRAX FS.
  CRIS v10: Cleanup of drivers/gpio.c
  CRIS v10: drivers/net/cris/eth_v10.c rename LED defines to CRIS_LED to avoid name clash.
  CRIS: Make io_pwm_set_period members unsigned in etraxgpio.h
  CRIS: Move ETRAX_AXISFLASHMAP to common Kconfig file.
  CRIS: Drop regs parameter from call to profile_tick in kernel/time.c
  CRIS v32: Fix minor formatting issue in mach-a3/io.c
  CRIS v32: Initialize GIO even if we're rambooting in kernel/head.S
  CRIS v32: Remove kernel/arbiter.c, it now exists in machine dependent directory.
  CRIS v32: Minor changes to avoid errors in asm-cris/arch-v32/hwregs/reg_rdwr.h
  CRIS v32: arch-v32/hwregs/intr_vect_defs.h moved to machine dependent directory.
  CRIS v32: Correct offset for TASK_pid in asm-cris/arch-v32/offset.h
  CRIS v32: Move register map header to machine dependent directory.
  CRIS v32: Let compiler know that memory is clobbered after a break op.
  ...
parents 03054de1 bc10ac3f
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MAINTAINERS
View file @ 0cf975e1
......@@ -1173,6 +1173,8 @@ S: Orphan
CRIS PORT
P: Mikael Starvik
M: starvik@axis.com
P: Jesper Nilsson
M: jesper.nilsson@axis.com
L: dev-etrax@axis.com
W: http://developer.axis.com
S: Maintained
......
arch/cris/Kconfig
View file @ 0cf975e1
This diff is collapsed.
arch/cris/Makefile
View file @ 0cf975e1
# $Id: Makefile,v 1.28 2005/03/17 10:44:37 larsv Exp $
#
# cris/Makefile
#
# This file is included by the global makefile so that you can add your own
......@@ -10,28 +10,36 @@
# License. See the file "COPYING" in the main directory of this archive
# for more details.
# A bug in ld prevents us from having a (constant-value) symbol in a
# "ORIGIN =" or "LENGTH =" expression.
arch-y := v10
arch-$(CONFIG_ETRAX_ARCH_V10) := v10
arch-$(CONFIG_ETRAX_ARCH_V32) := v32
# No config avaiable for make clean etc
# No config available for make clean etc
mach-y := fs
mach-$(CONFIG_CRIS_MACH_ARTPEC3) := a3
mach-$(CONFIG_ETRAXFS) := fs
ifneq ($(arch-y),)
SARCH := arch-$(arch-y)
else
SARCH :=
endif
ifneq ($(mach-y),)
MACH := mach-$(mach-y)
else
MACH :=
endif
LD = $(CROSS_COMPILE)ld -mcrislinux
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
KBUILD_AFLAGS += -mlinux
KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe
KBUILD_AFLAGS += -mlinux -march=$(arch-y) -Iinclude/asm/arch/mach -Iinclude/asm/arch
KBUILD_CFLAGS += -mlinux -march=$(arch-y) -pipe -Iinclude/asm/arch/mach -Iinclude/asm/arch
ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS := $(subst -fomit-frame-pointer,,$(KBUILD_CFLAGS)) -g
......@@ -44,6 +52,9 @@ LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-file-name=libgcc.a)
core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
core-y += arch/$(ARCH)/$(SARCH)/kernel/ arch/$(ARCH)/$(SARCH)/mm/
ifdef CONFIG_ETRAX_ARCH_V32
core-y += arch/$(ARCH)/$(SARCH)/$(MACH)/
endif
drivers-y += arch/$(ARCH)/$(SARCH)/drivers/
libs-y += arch/$(ARCH)/$(SARCH)/lib/ $(LIBGCC)
......@@ -52,79 +63,69 @@ SRC_ARCH = $(srctree)/arch/$(ARCH)
# cris object files path
OBJ_ARCH = $(objtree)/arch/$(ARCH)
target_boot_arch_dir = $(OBJ_ARCH)/$(SARCH)/boot
target_boot_dir = $(OBJ_ARCH)/boot
src_boot_dir = $(SRC_ARCH)/boot
target_compressed_dir = $(OBJ_ARCH)/boot/compressed
src_compressed_dir = $(SRC_ARCH)/boot/compressed
target_rescue_dir = $(OBJ_ARCH)/boot/rescue
src_rescue_dir = $(SRC_ARCH)/boot/rescue
export target_boot_arch_dir target_boot_dir src_boot_dir target_compressed_dir src_compressed_dir target_rescue_dir src_rescue_dir
vmlinux.bin: vmlinux
$(OBJCOPY) $(OBJCOPYFLAGS) vmlinux vmlinux.bin
timage: vmlinux.bin
cat vmlinux.bin cramfs.img >timage
simimage: timage
cp vmlinux.bin simvmlinux.bin
# the following will remake timage without compiling the kernel
# it does of course require that all object files exist...
cramfs:
## cramfs - Creates a cramfs image
mkcramfs -b 8192 -m romfs_meta.txt root cramfs.img
cat vmlinux.bin cramfs.img >timage
boot := arch/$(ARCH)/boot
MACHINE := arch/$(ARCH)/$(SARCH)
clinux: vmlinux.bin decompress.bin rescue.bin
all: zImage
decompress.bin: $(target_boot_dir)
@$(MAKE) -f $(src_compressed_dir)/Makefile $(target_compressed_dir)/decompress.bin
zImage Image: vmlinux
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
$(target_rescue_dir)/rescue.bin: $(target_boot_dir)
@$(MAKE) -f $(src_rescue_dir)/Makefile $(target_rescue_dir)/rescue.bin
zImage: $(target_boot_dir) vmlinux.bin $(target_rescue_dir)/rescue.bin
## zImage - Compressed kernel (gzip)
@$(MAKE) -f $(src_boot_dir)/Makefile zImage
$(target_boot_dir): $(target_boot_arch_dir)
ln -sfn $< $@
$(target_boot_arch_dir):
mkdir -p $@
compressed: zImage
archmrproper:
archclean:
@if [ -d arch/$(ARCH)/boot ]; then \
$(MAKE) $(clean)=arch/$(ARCH)/boot ; \
fi
rm -f timage vmlinux.bin decompress.bin rescue.bin cramfs.img
rm -rf $(LD_SCRIPT).tmp
archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch
archprepare: $(SRC_ARCH)/.links $(srctree)/include/asm-$(ARCH)/.arch FORCE
# Create some links to make all tools happy
$(SRC_ARCH)/.links:
@rm -rf $(SRC_ARCH)/drivers
@ln -sfn $(SRC_ARCH)/$(SARCH)/drivers $(SRC_ARCH)/drivers
@ln -sfn $(SARCH)/drivers $(SRC_ARCH)/drivers
@rm -rf $(SRC_ARCH)/boot
@ln -sfn $(SRC_ARCH)/$(SARCH)/boot $(SRC_ARCH)/boot
@ln -sfn $(SARCH)/boot $(SRC_ARCH)/boot
@rm -rf $(SRC_ARCH)/lib
@ln -sfn $(SRC_ARCH)/$(SARCH)/lib $(SRC_ARCH)/lib
@ln -sfn $(SRC_ARCH)/$(SARCH) $(SRC_ARCH)/arch
@ln -sfn $(SRC_ARCH)/$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
@ln -sfn $(SRC_ARCH)/$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
@ln -sfn $(SARCH)/lib $(SRC_ARCH)/lib
@rm -f $(SRC_ARCH)/arch/mach
@rm -rf $(SRC_ARCH)/arch
@ln -sfn $(SARCH) $(SRC_ARCH)/arch
ifdef CONFIG_ETRAX_ARCH_V32
@ln -sfn ../$(SARCH)/$(MACH) $(SRC_ARCH)/arch/mach
endif
@rm -rf $(SRC_ARCH)/kernel/vmlinux.lds.S
@ln -sfn ../$(SARCH)/vmlinux.lds.S $(SRC_ARCH)/kernel/vmlinux.lds.S
@rm -rf $(SRC_ARCH)/kernel/asm-offsets.c
@ln -sfn ../$(SARCH)/kernel/asm-offsets.c $(SRC_ARCH)/kernel/asm-offsets.c
@touch $@
# Create link to sub arch includes
$(srctree)/include/asm-$(ARCH)/.arch: $(wildcard include/config/arch/*.h)
@echo ' Making $(srctree)/include/asm-$(ARCH)/arch -> $(srctree)/include/asm-$(ARCH)/$(SARCH) symlink'
@rm -f include/asm-$(ARCH)/arch
@ln -sf $(srctree)/include/asm-$(ARCH)/$(SARCH) $(srctree)/include/asm-$(ARCH)/arch
@echo ' SYMLINK include/asm-$(ARCH)/arch -> include/asm-$(ARCH)/$(SARCH)'
@rm -f $(srctree)/include/asm-$(ARCH)/arch/mach
@rm -f $(srctree)/include/asm-$(ARCH)/arch
@ln -sf $(SARCH) $(srctree)/include/asm-$(ARCH)/arch
ifdef CONFIG_ETRAX_ARCH_V32
@ln -sf $(MACH) $(srctree)/include/asm-$(ARCH)/arch/mach
endif
@touch $@
archclean:
$(Q)if [ -e arch/$(ARCH)/boot ]; then \
$(MAKE) $(clean)=arch/$(ARCH)/boot; \
fi
CLEAN_FILES += \
$(MACHINE)/boot/zImage \
$(MACHINE)/boot/compressed/decompress.bin \
$(MACHINE)/boot/compressed/piggy.gz \
$(MACHINE)/boot/rescue/rescue.bin \
$(SRC_ARCH)/.links \
$(srctree)/include/asm-$(ARCH)/.arch
MRPROPER_FILES += \
$(SRC_ARCH)/drivers \
$(SRC_ARCH)/boot \
$(SRC_ARCH)/lib \
$(SRC_ARCH)/arch \
$(SRC_ARCH)/kernel/vmlinux.lds.S \
$(SRC_ARCH)/kernel/asm-offsets.c
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
echo '* Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
endef
arch/cris/arch-v10/Kconfig
View file @ 0cf975e1
if ETRAX_ARCH_V10
menu "CRIS v10 options"
# ETRAX 100LX v1 has a MMU "feature" requiring a low mapping
config CRIS_LOW_MAP
bool
......@@ -228,69 +230,6 @@ config ETRAX_LED12R
For products with only one or two controllable LEDs,
set this to same as CONFIG_ETRAX_LED1G (normally 2).
choice
prompt "Product debug-port"
depends on ETRAX_ARCH_V10
default ETRAX_DEBUG_PORT0
config ETRAX_DEBUG_PORT0
bool "Serial-0"
help
Choose a serial port for the ETRAX debug console. Default to
port 0.
config ETRAX_DEBUG_PORT1
bool "Serial-1"
help
Use serial port 1 for the console.
config ETRAX_DEBUG_PORT2
bool "Serial-2"
help
Use serial port 2 for the console.
config ETRAX_DEBUG_PORT3
bool "Serial-3"
help
Use serial port 3 for the console.
config ETRAX_DEBUG_PORT_NULL
bool "disabled"
help
Disable serial-port debugging.
endchoice
choice
prompt "Kernel GDB port"
depends on ETRAX_KGDB
default ETRAX_KGDB_PORT0
help
Choose a serial port for kernel debugging. NOTE: This port should
not be enabled under Drivers for built-in interfaces (as it has its
own initialization code) and should not be the same as the debug port.
config ETRAX_KGDB_PORT0
bool "Serial-0"
help
Use serial port 0 for kernel debugging.
config ETRAX_KGDB_PORT1
bool "Serial-1"
help
Use serial port 1 for kernel debugging.
config ETRAX_KGDB_PORT2
bool "Serial-2"
help
Use serial port 2 for kernel debugging.
config ETRAX_KGDB_PORT3
bool "Serial-3"
help
Use serial port 3 for kernel debugging.
endchoice
choice
prompt "Product rescue-port"
......@@ -454,4 +393,6 @@ config ETRAX_POWERBUTTON_BIT
help
Configure where power button is connected.
endmenu
endif
arch/cris/arch-v10/boot/Makefile
View file @ 0cf975e1
#
# arch/cris/boot/Makefile
# arch/cris/arch-v10/boot/Makefile
#
target = $(target_boot_dir)
src = $(src_boot_dir)
zImage: compressed/vmlinuz
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
compressed/vmlinuz:
@$(MAKE) -f $(src)/compressed/Makefile $(target_compressed_dir)/vmlinuz
subdir- := compressed rescue
targets := Image
clean:
@$(MAKE) -f $(src)/compressed/Makefile clean
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
@echo ' Kernel: $@ is ready'
$(obj)/compressed/vmlinux: $(obj)/Image FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
$(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
$(obj)/zImage: $(obj)/compressed/vmlinux
@cp $< $@
@echo ' Kernel: $@ is ready'
arch/cris/arch-v10/boot/compressed/Makefile
View file @ 0cf975e1
#
# create a compressed vmlinuz image from the binary vmlinux.bin file
# arch/cris/arch-v10/boot/compressed/Makefile
#
target = $(target_compressed_dir)
src = $(src_compressed_dir)
CC = gcc-cris -melf $(LINUXINCLUDE)
CFLAGS = -O2
ccflags-y += -O2
LD = ld-cris
ldflags-y += -T $(obj)/decompress.ld
OBJECTS = $(obj)/head.o $(obj)/misc.o
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
OBJECTS = $(target)/head.o $(target)/misc.o
# files to compress
SYSTEM = $(objtree)/vmlinux.bin
quiet_cmd_image = BUILD $@
cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
all: $(target_compressed_dir)/vmlinuz
targets := vmlinux piggy.gz decompress.o decompress.bin
$(target)/decompress.bin: $(OBJECTS)
$(LD) -T $(src)/decompress.ld -o $(target)/decompress.o $(OBJECTS)
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/decompress.o $(target)/decompress.bin
$(obj)/decompress.o: $(OBJECTS) FORCE
$(call if_changed,ld)
# Create vmlinuz image in top-level build directory
$(target_compressed_dir)/vmlinuz: $(target) piggy.img $(target)/decompress.bin
@echo " COMPR vmlinux.bin --> vmlinuz"
@cat $(target)/decompress.bin piggy.img > $(target_compressed_dir)/vmlinuz
@rm -f piggy.img
$(obj)/decompress.bin: $(obj)/decompress.o FORCE
$(call if_changed,objcopy)
$(target)/head.o: $(src)/head.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
$(obj)/head.o: $(obj)/head.S .config
@$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
$(target)/misc.o: $(src)/misc.c
$(CC) -D__KERNEL__ -c $< -o $@
$(obj)/misc.o: $(obj)/misc.c .config
@$(CC) -D__KERNEL__ -c $< -o $@
# gzip the kernel image
$(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
$(call if_changed,image)
piggy.img: $(SYSTEM)
@cat $(SYSTEM) | gzip -f -9 > piggy.img
$(target):
mkdir -p $(target)
clean:
rm -f piggy.img $(objtree)/vmlinuz
$(obj)/piggy.gz: $(obj)/../Image FORCE
$(call if_changed,gzip)
arch/cris/arch-v10/boot/compressed/misc.c
View file @ 0cf975e1
/*
* misc.c
*
* $Id: misc.c,v 1.6 2003/10/27 08:04:31 starvik Exp $
*
* This is a collection of several routines from gzip-1.0.3
* This is a collection of several routines from gzip-1.0.3
* adapted for Linux.
*
* malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
* puts by Nick Holloway 1993, better puts by Martin Mares 1995
* adaptation for Linux/CRIS Axis Communications AB, 1999
*
*
*/
/* where the piggybacked kernel image expects itself to live.
......
arch/cris/arch-v10/boot/rescue/Makefile
View file @ 0cf975e1
#
# Makefile for rescue code
# Makefile for rescue (bootstrap) code
#
target = $(target_rescue_dir)
src = $(src_rescue_dir)
CC = gcc-cris -mlinux $(LINUXINCLUDE)
CFLAGS = -O2
ccflags-y += -O2
asflags-y += -traditional
LD = gcc-cris -mlinux -nostdlib
ldflags-y += -T $(obj)/rescue.ld
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary --remove-section=.bss
obj-$(CONFIG_ETRAX_AXISFLASHMAP) = head.o
OBJECT := $(obj)/head.o
all: $(target)/rescue.bin $(target)/testrescue.bin $(target)/kimagerescue.bin
targets := rescue.o rescue.bin
$(target)/rescue.bin: $(target) $(target)/head.o
$(LD) -T $(src)/rescue.ld -o $(target)/rescue.o $(target)/head.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/rescue.o $(target)/rescue.bin
# Place a copy in top-level build directory
cp -p $(target)/rescue.bin $(objtree)
$(obj)/rescue.o: $(OBJECT) FORCE
$(call if_changed,ld)
$(target)/testrescue.bin: $(target) $(target)/testrescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/testrescue.o tr.bin
$(obj)/rescue.bin: $(obj)/rescue.o FORCE
$(call if_changed,objcopy)
cp -p $(obj)/rescue.bin $(objtree)
$(obj)/testrescue.bin: $(obj)/testrescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin
# Pad it to 784 bytes
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat tr.bin tmp2423 >testrescue_tmp.bin
dd if=testrescue_tmp.bin of=$(target)/testrescue.bin bs=1 count=784
dd if=testrescue_tmp.bin of=$(obj)/testrescue.bin bs=1 count=784
rm tr.bin tmp2423 testrescue_tmp.bin
$(target)/kimagerescue.bin: $(target) $(target)/kimagerescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/kimagerescue.o ktr.bin
$(obj)/kimagerescue.bin: $(obj)/kimagerescue.o
$(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/kimagerescue.o ktr.bin
# Pad it to 784 bytes, that's what the rescue loader expects
dd if=/dev/zero of=tmp2423 bs=1 count=784
cat ktr.bin tmp2423 >kimagerescue_tmp.bin
dd if=kimagerescue_tmp.bin of=$(target)/kimagerescue.bin bs=1 count=784
dd if=kimagerescue_tmp.bin of=$(obj)/kimagerescue.bin bs=1 count=784
rm ktr.bin tmp2423 kimagerescue_tmp.bin
$(target):
mkdir -p $(target)
$(target)/head.o: $(src)/head.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
$(target)/testrescue.o: $(src)/testrescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
$(target)/kimagerescue.o: $(src)/kimagerescue.S
$(CC) -D__ASSEMBLY__ -traditional -c $< -o $*.o
clean:
rm -f $(target)/*.o $(target)/*.bin
fastdep:
modules:
modules-install:
arch/cris/arch-v10/boot/rescue/head.S
View file @ 0cf975e1
/* $Id: head.S,v 1.7 2005/03/07 12:11:06 starvik Exp $
*
/*
* Rescue code, made to reside at the beginning of the
* flash-memory. when it starts, it checks a partition
* table at the first sector after the rescue sector.
......@@ -23,20 +22,20 @@
* Partition table format:
*
* Code transparency:
*
*
* 2 bytes [opcode 'nop']
* 2 bytes [opcode 'di']
* 4 bytes [opcode 'ba <offset>', 8-bit or 16-bit version]
* 2 bytes [opcode 'nop', delay slot]
*
* Table validation (at +10):
*
* Table validation (at +10):
*
* 2 bytes [magic/version word for partitiontable - 0xef, 0xbe]
* 2 bytes [length of all entries plus the end marker]
* 4 bytes [checksum for the partitiontable itself]
*
* Entries, each with the following format, last has offset -1:
*
* Entries, each with the following format, last has offset -1:
*
* 4 bytes [offset in bytes, from start of flash]
* 4 bytes [length in bytes of partition]
* 4 bytes [checksum, simple longword sum]
......@@ -47,9 +46,9 @@
* End marker
*
* 4 bytes [-1]
*
*
* 10 bytes [0, padding]
*
*
* Bit 0 in flags signifies RW or RO. The rescue code only bothers
* to check the checksum for RO partitions, since the others will
* change their data without updating the checksums. A 1 in bit 0
......@@ -59,26 +58,29 @@
*
* During the wait for serial input, the status LED will flash so the
* user knows something went wrong.
*
* Copyright (C) 1999, 2000, 2001, 2002, 2003 Axis Communications AB
*
* Copyright (C) 1999-2007 Axis Communications AB
*/
#ifdef CONFIG_ETRAX_AXISFLASHMAP
#define ASSEMBLER_MACROS_ONLY
#include <asm/arch/sv_addr_ag.h>
;; The partitiontable is looked for at the first sector after the boot
;; sector. Sector size is 65536 bytes in all flashes we use.
#define PTABLE_START CONFIG_ETRAX_PTABLE_SECTOR
#define PTABLE_MAGIC 0xbeef
;; The normal Etrax100 on-chip boot ROM does serial boot at 0x380000f0.
;; That is not where we put our downloaded serial boot-code. The length is
;; enough for downloading code that loads the rest of itself (after
;; having setup the DRAM etc). It is the same length as the on-chip
;; ROM loads, so the same host loader can be used to load a rescued
;; product as well as one booted through the Etrax serial boot code.
;; That is not where we put our downloaded serial boot-code.
;; The length is enough for downloading code that loads the rest
;; of itself (after having setup the DRAM etc).
;; It is the same length as the on-chip ROM loads, so the same
;; host loader can be used to load a rescued product as well as
;; one booted through the Etrax serial boot code.
#define CODE_START 0x40000000
#define CODE_LENGTH 784
......@@ -102,7 +104,7 @@
#define SERRECC R_SERIAL2_REC_CTRL
#define SERRDAT R_SERIAL2_REC_DATA
#define SERSTAT R_SERIAL2_STATUS
#endif
#endif
#ifdef CONFIG_ETRAX_RESCUE_SER3
#define SERXOFF R_SERIAL3_XOFF
#define SERBAUD R_SERIAL3_BAUD
......@@ -115,60 +117,61 @@
#define RAM_INIT_MAGIC 0x56902387
.text
;; This is the entry point of the rescue code
;; 0x80000000 if loaded in flash (as it should be)
;; since etrax actually starts at address 2 when booting from flash, we
;; Since etrax actually starts at address 2 when booting from flash, we
;; put a nop (2 bytes) here first so we dont accidentally skip the di
nop
nop
di
jump in_cache ; enter cached area instead
in_cache:
;; first put a jump test to give a possibility of upgrading the rescue code
;; without erasing/reflashing the sector. we put a longword of -1 here and if
;; it is not -1, we jump using the value as jump target. since we can always
;; change 1's to 0's without erasing the sector, it is possible to add new
;; First put a jump test to give a possibility of upgrading the
;; rescue code without erasing/reflashing the sector.
;; We put a longword of -1 here and if it is not -1, we jump using
;; the value as jump target. Since we can always change 1's to 0's
;; without erasing the sector, it is possible to add new
;; code after this and altering the jumptarget in an upgrade.
jtcd: move.d [jumptarget], $r0
cmp.d 0xffffffff, $r0
beq no_newjump
nop
jump [$r0]
jumptarget:
jumptarget:
.dword 0xffffffff ; can be overwritten later to insert new code
no_newjump:
#ifdef CONFIG_ETRAX_ETHERNET
#ifdef CONFIG_ETRAX_ETHERNET
;; Start MII clock to make sure it is running when tranceiver is reset
move.d 0x3, $r0 ; enable = on, phy = mii_clk
move.d $r0, [R_NETWORK_GEN_CONFIG]
#endif
;; We need to setup the bus registers before we start using the DRAM
#include "../../lib/dram_init.S"
;; we now should go through the checksum-table and check the listed
;; partitions for errors.
move.d PTABLE_START, $r3
move.d [$r3], $r0
cmp.d NOP_DI, $r0 ; make sure the nop/di is there...
bne do_rescue
nop
;; skip the code transparency block (10 bytes).
addq 10, $r3
;; check for correct magic
move.w [$r3+], $r0
cmp.w PTABLE_MAGIC, $r0
bne do_rescue ; didn't recognize - trig rescue
......@@ -186,11 +189,11 @@ no_newjump:
cmp.d $r0, $r4
bne do_rescue ; didn't match - trig rescue
nop
;; ptable is ok. validate each entry.
moveq -1, $r7
ploop: move.d [$r3+], $r1 ; partition offset (from ptable start)
bne notfirst ; check if it is the partition containing ptable
nop ; yes..
......@@ -199,7 +202,7 @@ ploop: move.d [$r3+], $r1 ; partition offset (from ptable start)
sub.d $r8, $r2 ; minus the ptable length
ba bosse
nop
notfirst:
notfirst:
cmp.d -1, $r1 ; the end of the ptable ?
beq flash_ok ; if so, the flash is validated
move.d [$r3+], $r2 ; partition length
......@@ -213,47 +216,46 @@ bosse: move.d [$r3+], $r5 ; checksum
bpl 1f
nop
move.d $r1, $r7 ; remember boot partition offset
1:
1:
add.d PTABLE_START, $r1
jsr checksum ; checksum the partition
cmp.d $r0, $r5
beq ploop ; checksums matched, go to next entry
nop
;; otherwise fall through to the rescue code.
do_rescue:
;; setup port PA and PB default initial directions and data
;; (so we can flash LEDs, and so that DTR and others are set)
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
move.b $r0, [R_PORT_PA_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
move.b $r0, [R_PORT_PA_DATA]
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
move.b $r0, [R_PORT_PB_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
move.b $r0, [R_PORT_PB_DATA]
;; setup the serial port at 115200 baud
moveq 0, $r0
move.d $r0, [SERXOFF]
move.d $r0, [SERXOFF]
move.b 0x99, $r0
move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
move.b 0x40, $r0 ; rec enable
move.b $r0, [SERRECC]
move.b 0x40, $r0 ; rec enable
move.b $r0, [SERRECC]
moveq 0, $r1 ; "timer" to clock out a LED red flash
move.d CODE_START, $r3 ; destination counter
movu.w CODE_LENGTH, $r4; length
wait_ser:
addq 1, $r1
#ifndef CONFIG_ETRAX_NO_LEDS
......@@ -272,20 +274,20 @@ wait_ser:
nop
1: not $r0 ; clear bit
and.d $r0, $r2
2:
2:
#ifdef CONFIG_ETRAX_PA_LEDS
move.b $r2, [R_PORT_PA_DATA]
#endif
move.b $r2, [R_PORT_PA_DATA]
#endif
#ifdef CONFIG_ETRAX_PB_LEDS
move.b $r2, [R_PORT_PB_DATA]
move.b $r2, [R_PORT_PB_DATA]
#endif
#ifdef CONFIG_ETRAX_90000000_LEDS
move.b $r2, [0x90000000]
#endif
#endif
;; check if we got something on the serial port
move.b [SERSTAT], $r0
btstq 0, $r0 ; data_avail
bpl wait_ser
......@@ -295,14 +297,15 @@ wait_ser:
move.b [SERRDAT], $r0
move.b $r0, [$r3+]
subq 1, $r4 ; decrease length
bne wait_ser
nop
;; jump into downloaded code
move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is initialized
move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
; initialized
jump CODE_START
flash_ok:
......@@ -313,7 +316,8 @@ flash_ok:
nop
move.d PTABLE_START, $r7; otherwise use the ptable start
1:
move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is initialized
move.d RAM_INIT_MAGIC, $r8 ; Tell next product that DRAM is
; initialized
jump $r7 ; boot!
......@@ -327,7 +331,8 @@ checksum:
moveq 0, $r0
moveq CONFIG_ETRAX_FLASH1_SIZE, $r6
;; If the first physical flash memory is exceeded wrap to the second one.
;; If the first physical flash memory is exceeded wrap to the
;; second one
btstq 26, $r1 ; Are we addressing first flash?
bpl 1f
nop
......@@ -351,3 +356,5 @@ checksum:
3: move.d MEM_CSE1_START, $r1 ; wrap to second flash
ba 2b
nop
#endif
arch/cris/arch-v10/boot/rescue/kimagerescue.S
View file @ 0cf975e1
/* $Id: kimagerescue.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
*
/*
* Rescue code to be prepended on a kimage and copied to the
* rescue serial port.
* This is called from the rescue code, it will copy received data to
......@@ -7,13 +6,13 @@
*/
#define ASSEMBLER_MACROS_ONLY
#include <asm/sv_addr_ag.h>
#include <asm/arch/sv_addr_ag.h>
#define CODE_START 0x40004000
#define CODE_LENGTH 784
#define TIMEOUT_VALUE 1000
#ifdef CONFIG_ETRAX_RESCUE_SER0
#define SERXOFF R_SERIAL0_XOFF
#define SERBAUD R_SERIAL0_BAUD
......@@ -34,7 +33,7 @@
#define SERRECC R_SERIAL2_REC_CTRL
#define SERRDAT R_SERIAL2_REC_DATA
#define SERSTAT R_SERIAL2_STATUS
#endif
#endif
#ifdef CONFIG_ETRAX_RESCUE_SER3
#define SERXOFF R_SERIAL3_XOFF
#define SERBAUD R_SERIAL3_BAUD
......@@ -48,54 +47,55 @@
;; 0x80000000 if loaded in flash (as it should be)
;; since etrax actually starts at address 2 when booting from flash, we
;; put a nop (2 bytes) here first so we dont accidentally skip the di
nop
nop
di
#ifndef CONFIG_SVINTO_SIM
#ifndef CONFIG_SVINTO_SIM
;; setup port PA and PB default initial directions and data
;; (so we can flash LEDs, and so that DTR and others are set)
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
move.b $r0, [R_PORT_PA_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
move.b $r0, [R_PORT_PA_DATA]
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
move.b $r0, [R_PORT_PB_DIR]
move.b CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
move.b $r0, [R_PORT_PB_DATA]
;; We need to setup the bus registers before we start using the DRAM
#include "../../lib/dram_init.S"
#endif
;; Setup the stack to a suitably high address.
;; We assume 8 MB is the minimum DRAM in an eLinux
;; product and put the sp at the top for now.
move.d 0x40800000, $sp
;; setup the serial port at 115200 baud
moveq 0, $r0
move.d $r0, [SERXOFF]
move.d $r0, [SERXOFF]
move.b 0x99, $r0
move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit and receive
move.b $r0, [SERBAUD] ; 115.2kbaud for both transmit
; and receive
move.b 0x40, $r0 ; rec enable
move.b $r0, [SERRECC]
move.b $r0, [SERRECC]
moveq 0, $r1 ; "timer" to clock out a LED red flash
move.d CODE_START, $r3 ; destination counter
moveq 0, $r1 ; "timer" to clock out a LED red flash
move.d CODE_START, $r3 ; destination counter
move.d CODE_LENGTH, $r4 ; length
move.d TIMEOUT_VALUE, $r5 ; "timeout" until jump
wait_ser:
addq 1, $r1
subq 1, $r5 ; decrease timeout
beq jump_start ; timed out
subq 1, $r5 ; decrease timeout
beq jump_start ; timed out
nop
#ifndef CONFIG_ETRAX_NO_LEDS
#ifdef CONFIG_ETRAX_PA_LEDS
......@@ -111,21 +111,21 @@ wait_ser:
or.d $r0, $r2 ; set bit
ba 2f
nop
1: not $r0 ; clear bit
1: not $r0 ; clear bit
and.d $r0, $r2
2:
2:
#ifdef CONFIG_ETRAX_PA_LEDS
move.b $r2, [R_PORT_PA_DATA]
#endif
#endif
#ifdef CONFIG_ETRAX_PB_LEDS
move.b $r2, [R_PORT_PB_DATA]
#endif
#endif
;; check if we got something on the serial port
move.b [SERSTAT], $r0
btstq 0, $r0 ; data_avail
btstq 0, $r0 ; data_avail
bpl wait_ser
nop
......@@ -134,7 +134,7 @@ wait_ser:
move.b [SERRDAT], $r0
move.b $r0, [$r3+]
move.d TIMEOUT_VALUE, $r5 ; reset "timeout"
subq 1, $r4 ; decrease length
subq 1, $r4 ; decrease length
bne wait_ser
nop
jump_start:
......
arch/cris/arch-v10/boot/rescue/testrescue.S
View file @ 0cf975e1
/* $Id: testrescue.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
*
/*
* Simple testcode to download by the rescue block.
* Just lits some LEDs to show it was downloaded correctly.
*
* Just lights some LEDs to show it was downloaded correctly.
*
* Copyright (C) 1999 Axis Communications AB
*/
#define ASSEMBLER_MACROS_ONLY
#include <asm/sv_addr_ag.h>
#include <asm/arch/sv_addr_ag.h>
.text
......@@ -16,11 +15,10 @@
moveq -1, $r2
move.b $r2, [R_PORT_PA_DIR]
moveq 0, $r2
move.b $r2, [R_PORT_PA_DATA]
move.b $r2, [R_PORT_PA_DATA]
endless:
nop
ba endless
nop
arch/cris/arch-v10/drivers/Kconfig
View file @ 0cf975e1
......@@ -9,37 +9,6 @@ config ETRAX_ETHERNET
This option enables the ETRAX 100LX built-in 10/100Mbit Ethernet
controller.
choice
prompt "Network LED behavior"
depends on ETRAX_ETHERNET
default ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
config ETRAX_NETWORK_LED_ON_WHEN_LINK
bool "LED_on_when_link"
help
Selecting LED_on_when_link will light the LED when there is a
connection and will flash off when there is activity.
Selecting LED_on_when_activity will light the LED only when
there is activity.
This setting will also affect the behaviour of other activity LEDs
e.g. Bluetooth.
config ETRAX_NETWORK_LED_ON_WHEN_ACTIVITY
bool "LED_on_when_activity"
help
Selecting LED_on_when_link will light the LED when there is a
connection and will flash off when there is activity.
Selecting LED_on_when_activity will light the LED only when
there is activity.
This setting will also affect the behaviour of other activity LEDs
e.g. Bluetooth.
endchoice
config ETRAX_SERIAL
bool "Serial-port support"
depends on ETRAX_ARCH_V10
......@@ -83,32 +52,6 @@ config ETRAX_SERIAL_PORT0
Normally you want this on, unless you use external DMA 1 that uses
the same DMA channels.
choice
prompt "Ser0 DMA out assignment"
depends on ETRAX_SERIAL_PORT0
default ETRAX_SERIAL_PORT0_DMA6_OUT
config ETRAX_SERIAL_PORT0_NO_DMA_OUT
bool "No DMA out"
config ETRAX_SERIAL_PORT0_DMA6_OUT
bool "DMA 6"
endchoice
choice
prompt "Ser0 DMA in assignment"
depends on ETRAX_SERIAL_PORT0
default ETRAX_SERIAL_PORT0_DMA7_IN
config ETRAX_SERIAL_PORT0_NO_DMA_IN
bool "No DMA in"
config ETRAX_SERIAL_PORT0_DMA7_IN
bool "DMA 7"
endchoice
choice
prompt "Ser0 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT0
......@@ -197,32 +140,6 @@ config ETRAX_SERIAL_PORT1
help
Enables the ETRAX 100 serial driver for ser1 (ttyS1).
choice
prompt "Ser1 DMA out assignment"
depends on ETRAX_SERIAL_PORT1
default ETRAX_SERIAL_PORT1_DMA8_OUT
config ETRAX_SERIAL_PORT1_NO_DMA_OUT
bool "No DMA out"
config ETRAX_SERIAL_PORT1_DMA8_OUT
bool "DMA 8"
endchoice
choice
prompt "Ser1 DMA in assignment"
depends on ETRAX_SERIAL_PORT1
default ETRAX_SERIAL_PORT1_DMA9_IN
config ETRAX_SERIAL_PORT1_NO_DMA_IN
bool "No DMA in"
config ETRAX_SERIAL_PORT1_DMA9_IN
bool "DMA 9"
endchoice
choice
prompt "Ser1 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT1
......@@ -314,32 +231,6 @@ config ETRAX_SERIAL_PORT2
help
Enables the ETRAX 100 serial driver for ser2 (ttyS2).
choice
prompt "Ser2 DMA out assignment"
depends on ETRAX_SERIAL_PORT2
default ETRAX_SERIAL_PORT2_DMA2_OUT
config ETRAX_SERIAL_PORT2_NO_DMA_OUT
bool "No DMA out"
config ETRAX_SERIAL_PORT2_DMA2_OUT
bool "DMA 2"
endchoice
choice
prompt "Ser2 DMA in assignment"
depends on ETRAX_SERIAL_PORT2
default ETRAX_SERIAL_PORT2_DMA3_IN
config ETRAX_SERIAL_PORT2_NO_DMA_IN
bool "No DMA in"
config ETRAX_SERIAL_PORT2_DMA3_IN
bool "DMA 3"
endchoice
choice
prompt "Ser2 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT2
......@@ -428,32 +319,6 @@ config ETRAX_SERIAL_PORT3
help
Enables the ETRAX 100 serial driver for ser3 (ttyS3).
choice
prompt "Ser3 DMA out assignment"
depends on ETRAX_SERIAL_PORT3
default ETRAX_SERIAL_PORT3_DMA4_OUT
config ETRAX_SERIAL_PORT3_NO_DMA_OUT
bool "No DMA out"
config ETRAX_SERIAL_PORT3_DMA4_OUT
bool "DMA 4"
endchoice
choice
prompt "Ser3 DMA in assignment"
depends on ETRAX_SERIAL_PORT3
default ETRAX_SERIAL_PORT3_DMA5_IN
config ETRAX_SERIAL_PORT3_NO_DMA_IN
bool "No DMA in"
config ETRAX_SERIAL_PORT3_DMA5_IN
bool "DMA 5"
endchoice
choice
prompt "Ser3 DTR, RI, DSR and CD assignment"
depends on ETRAX_SERIAL_PORT3
......@@ -563,21 +428,6 @@ config ETRAX_USB_HOST_PORT2
depends on ETRAX_USB_HOST
default n
config ETRAX_AXISFLASHMAP
bool "Axis flash-map support"
depends on ETRAX_ARCH_V10
select MTD
select MTD_CFI
select MTD_CFI_AMDSTD
select MTD_CHAR
select MTD_BLOCK
select MTD_PARTITIONS
select MTD_CONCAT
select MTD_COMPLEX_MAPPINGS
help
This option enables MTD mapping of flash devices. Needed to use
flash memories. If unsure, say Y.
config ETRAX_PTABLE_SECTOR
int "Byte-offset of partition table sector"
depends on ETRAX_AXISFLASHMAP
......@@ -731,37 +581,6 @@ config ETRAX_PB_CHANGEABLE_BITS
Bit set = changeable.
You probably want 00 here.
config ETRAX_RTC
bool "Real Time Clock support"
depends on ETRAX_ARCH_V10
help
Enables drivers for the Real-Time Clock battery-backed chips on
some products. The kernel reads the time when booting, and
the date can be set using ioctl(fd, RTC_SET_TIME, &rt) with rt a
rtc_time struct (see <file:include/asm-cris/rtc.h>) on the /dev/rtc
device, major 121. You can check the time with cat /proc/rtc, but
normal time reading should be done using libc function time and
friends.
choice
prompt "RTC chip"
depends on ETRAX_RTC
default ETRAX_DS1302
config ETRAX_DS1302
bool "DS1302"
help
Enables the driver for the DS1302 Real-Time Clock battery-backed
chip on some products.
config ETRAX_PCF8563
bool "PCF8563"
help
Enables the driver for the PCF8563 Real-Time Clock battery-backed
chip on some products.
endchoice
config ETRAX_DS1302_RST_ON_GENERIC_PORT
bool "DS1302 RST on Generic Port"
depends on ETRAX_DS1302
......
arch/cris/arch-v10/drivers/Makefile
View file @ 0cf975e1
......@@ -2,11 +2,11 @@
# Makefile for Etrax-specific drivers
#
obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o
obj-$(CONFIG_ETRAX_I2C) += i2c.o
obj-$(CONFIG_ETRAX_I2C_EEPROM) += eeprom.o
obj-$(CONFIG_ETRAX_GPIO) += gpio.o
obj-$(CONFIG_ETRAX_DS1302) += ds1302.o
obj-$(CONFIG_ETRAX_AXISFLASHMAP) += axisflashmap.o
obj-$(CONFIG_ETRAX_I2C) += i2c.o
obj-$(CONFIG_ETRAX_I2C_EEPROM) += eeprom.o
obj-$(CONFIG_ETRAX_GPIO) += gpio.o
obj-$(CONFIG_ETRAX_DS1302) += ds1302.o
obj-$(CONFIG_ETRAX_PCF8563) += pcf8563.o
obj-$(CONFIG_ETRAX_SYNCHRONOUS_SERIAL) += sync_serial.o
arch/cris/arch-v10/drivers/axisflashmap.c
View file @ 0cf975e1
......@@ -10,129 +10,6 @@
* tells us what other partitions to define. If there isn't, we use a default
* partition split defined below.
*
* $Log: axisflashmap.c,v $
* Revision 1.11 2004/11/15 10:27:14 starvik
* Corrected typo (Thanks to Milton Miller <miltonm@bga.com>).
*
* Revision 1.10 2004/08/16 12:37:22 starvik
* Merge of Linux 2.6.8
*
* Revision 1.8 2004/05/14 07:58:03 starvik
* Merge of changes from 2.4
*
* Revision 1.6 2003/07/04 08:27:37 starvik
* Merge of Linux 2.5.74
*
* Revision 1.5 2002/12/11 13:13:57 starvik
* Added arch/ to v10 specific includes
* Added fix from Linux 2.4 in serial.c (flush_to_flip_buffer)
*
* Revision 1.4 2002/11/20 11:56:10 starvik
* Merge of Linux 2.5.48
*
* Revision 1.3 2002/11/13 14:54:13 starvik
* Copied from linux 2.4
*
* Revision 1.28 2002/10/01 08:08:43 jonashg
* The first partition ends at the start of the partition table.
*
* Revision 1.27 2002/08/21 09:23:13 jonashg
* Speling.
*
* Revision 1.26 2002/08/21 08:35:20 jonashg
* Cosmetic change to printouts.
*
* Revision 1.25 2002/08/21 08:15:42 jonashg
* Made it compile even without CONFIG_MTD_CONCAT defined.
*
* Revision 1.24 2002/08/20 13:12:35 jonashg
* * New approach to probing. Probe cse0 and cse1 separately and (mtd)concat
* the results.
* * Removed compile time tests concerning how the mtdram driver has been
* configured. The user will know about the misconfiguration at runtime
* instead. (The old approach made it impossible to use mtdram for anything
* else than RAM boot).
*
* Revision 1.23 2002/05/13 12:12:28 johana
* Allow compile without CONFIG_MTD_MTDRAM but warn at compiletime and
* be informative at runtime.
*
* Revision 1.22 2002/05/13 10:24:44 johana
* Added #if checks on MTDRAM CONFIG
*
* Revision 1.21 2002/05/06 16:05:20 johana
* Removed debug printout.
*
* Revision 1.20 2002/05/06 16:03:00 johana
* No more cramfs as root hack in generic code.
* It's handled by axisflashmap using mtdram.
*
* Revision 1.19 2002/03/15 17:10:28 bjornw
* Changed comment about cached access since we changed this before
*
* Revision 1.18 2002/03/05 17:06:15 jonashg
* Try amd_flash probe before cfi_probe since amd_flash driver can handle two
* (or more) flash chips of different model and the cfi driver cannot.
*
* Revision 1.17 2001/11/12 19:42:38 pkj
* Fixed compiler warnings.
*
* Revision 1.16 2001/11/08 11:18:58 jonashg
* Always read from uncached address to avoid problems with flushing
* cachelines after write and MTD-erase. No performance loss have been
* seen yet.
*
* Revision 1.15 2001/10/19 12:41:04 jonashg
* Name of probe has changed in MTD.
*
* Revision 1.14 2001/09/21 07:14:10 jonashg
* Made root filesystem (cramfs) use mtdblock driver when booting from flash.
*
* Revision 1.13 2001/08/15 13:57:35 jonashg
* Entire MTD updated to the linux 2.4.7 version.
*
* Revision 1.12 2001/06/11 09:50:30 jonashg
* Oops, 2MB is 0x200000 bytes.
*
* Revision 1.11 2001/06/08 11:39:44 jonashg
* Changed sizes and offsets in axis_default_partitions to use
* CONFIG_ETRAX_PTABLE_SECTOR.
*
* Revision 1.10 2001/05/29 09:42:03 jonashg
* Use macro for end marker length instead of sizeof.
*
* Revision 1.9 2001/05/29 08:52:52 jonashg
* Gave names to the magic fours (size of the ptable end marker).
*
* Revision 1.8 2001/05/28 15:36:20 jonashg
* * Removed old comment about ptable location in flash (it's a CONFIG_ option).
* * Variable ptable was initialized twice to the same value.
*
* Revision 1.7 2001/04/05 13:41:46 markusl
* Updated according to review remarks
*
* Revision 1.6 2001/03/07 09:21:21 bjornw
* No need to waste .data
*
* Revision 1.5 2001/03/06 16:27:01 jonashg
* Probe the entire flash area for flash devices.
*
* Revision 1.4 2001/02/23 12:47:15 bjornw
* Uncached flash in LOW_MAP moved from 0xe to 0x8
*
* Revision 1.3 2001/02/16 12:11:45 jonashg
* MTD driver amd_flash is now included in MTD CVS repository.
* (It's now in drivers/mtd).
*
* Revision 1.2 2001/02/09 11:12:22 jonashg
* Support for AMD compatible non-CFI flash chips.
* Only tested with Toshiba TC58FVT160 so far.
*
* Revision 1.1 2001/01/12 17:01:18 bjornw
* * Added axisflashmap.c, a physical mapping for MTD that reads and understands
* Axis partition-table format.
*
*
*/
#include <linux/module.h>
......@@ -235,7 +112,7 @@ static struct map_info map_cse1 = {
};
/* If no partition-table was found, we use this default-set. */
#define MAX_PARTITIONS 7
#define MAX_PARTITIONS 7
#define NUM_DEFAULT_PARTITIONS 3
/*
......@@ -300,6 +177,15 @@ static struct mtd_partition axis_partitions[MAX_PARTITIONS] = {
},
};
#ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
/* Main flash device */
static struct mtd_partition main_partition = {
.name = "main",
.size = 0,
.offset = 0
};
#endif
/*
* Probe a chip select for AMD-compatible (JEDEC) or CFI-compatible flash
* chips in that order (because the amd_flash-driver is faster).
......@@ -316,15 +202,14 @@ static struct mtd_info *probe_cs(struct map_info *map_cs)
mtd_cs = do_map_probe("cfi_probe", map_cs);
#endif
#ifdef CONFIG_MTD_JEDECPROBE
if (!mtd_cs) {
if (!mtd_cs)
mtd_cs = do_map_probe("jedec_probe", map_cs);
}
#endif
return mtd_cs;
}
/*
/*
* Probe each chip select individually for flash chips. If there are chips on
* both cse0 and cse1, the mtd_info structs will be concatenated to one struct
* so that MTD partitions can cross chip boundries.
......@@ -351,7 +236,7 @@ static struct mtd_info *flash_probe(void)
if (mtd_cse0 && mtd_cse1) {
#ifdef CONFIG_MTD_CONCAT
struct mtd_info *mtds[] = { mtd_cse0, mtd_cse1 };
/* Since the concatenation layer adds a small overhead we
* could try to figure out if the chips in cse0 and cse1 are
* identical and reprobe the whole cse0+cse1 window. But since
......@@ -372,7 +257,7 @@ static struct mtd_info *flash_probe(void)
/* The best we can do now is to only use what we found
* at cse0.
*/
*/
mtd_cse = mtd_cse0;
map_destroy(mtd_cse1);
}
......@@ -395,7 +280,7 @@ static int __init init_axis_flash(void)
struct partitiontable_head *ptable_head = NULL;
struct partitiontable_entry *ptable;
int use_default_ptable = 1; /* Until proven otherwise. */
const char *pmsg = " /dev/flash%d at 0x%08x, size 0x%08x\n";
const char pmsg[] = " /dev/flash%d at 0x%08x, size 0x%08x\n";
if (!(mymtd = flash_probe())) {
/* There's no reason to use this module if no flash chip can
......@@ -435,7 +320,7 @@ static int __init init_axis_flash(void)
unsigned long offset = CONFIG_ETRAX_PTABLE_SECTOR;
unsigned char *p;
unsigned long csum = 0;
ptable = (struct partitiontable_entry *)
((unsigned long)ptable_head + sizeof(*ptable_head));
......@@ -490,6 +375,16 @@ static int __init init_axis_flash(void)
pidx++;
}
#ifdef CONFIG_ETRAX_AXISFLASHMAP_MTD0WHOLE
if (mymtd) {
main_partition.size = mymtd->size;
err = add_mtd_partitions(mymtd, &main_partition, 1);
if (err)
panic("axisflashmap: Could not initialize "
"partition for whole main mtd device!\n");
}
#endif
if (mymtd) {
if (use_default_ptable) {
printk(KERN_INFO " Using default partition table.\n");
......@@ -499,9 +394,8 @@ static int __init init_axis_flash(void)
err = add_mtd_partitions(mymtd, axis_partitions, pidx);
}
if (err) {
if (err)
panic("axisflashmap could not add MTD partitions!\n");
}
}
if (!romfs_in_flash) {
......@@ -515,25 +409,24 @@ static int __init init_axis_flash(void)
#else
struct mtd_info *mtd_ram;
mtd_ram = kmalloc(sizeof(struct mtd_info),
GFP_KERNEL);
if (!mtd_ram) {
mtd_ram = kmalloc(sizeof(struct mtd_info), GFP_KERNEL);
if (!mtd_ram)
panic("axisflashmap couldn't allocate memory for "
"mtd_info!\n");
}
printk(KERN_INFO " Adding RAM partition for romfs image:\n");
printk(pmsg, pidx, romfs_start, romfs_length);
err = mtdram_init_device(mtd_ram, (void*)romfs_start,
romfs_length, "romfs");
if (err) {
printk(pmsg, pidx, (unsigned)romfs_start,
(unsigned)romfs_length);
err = mtdram_init_device(mtd_ram,
(void *)romfs_start,
romfs_length,
"romfs");
if (err)
panic("axisflashmap could not initialize MTD RAM "
"device!\n");
}
#endif
}
return err;
}
......
arch/cris/arch-v10/drivers/ds1302.c
View file @ 0cf975e1
......@@ -333,7 +333,7 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
ds1302_writereg(RTC_TRICKLECHARGER, tcs_val);
return 0;
}
case RTC_VLOW_RD:
case RTC_VL_READ:
{
/* TODO:
* Implement voltage low detection support
......@@ -342,7 +342,7 @@ rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
" is not supported\n");
return 0;
}
case RTC_VLOW_SET:
case RTC_VL_CLR:
{
/* TODO:
* Nothing to do since Voltage Low detection is not supported
......
arch/cris/arch-v10/drivers/eeprom.c
View file @ 0cf975e1
......@@ -19,77 +19,6 @@
*! Sep 03 1999 Edgar Iglesias Added bail-out stuff if we get interrupted
*! in the spin-lock.
*!
*! $Log: eeprom.c,v $
*! Revision 1.12 2005/06/19 17:06:46 starvik
*! Merge of Linux 2.6.12.
*!
*! Revision 1.11 2005/01/26 07:14:46 starvik
*! Applied diff from kernel janitors (Nish Aravamudan).
*!
*! Revision 1.10 2003/09/11 07:29:48 starvik
*! Merge of Linux 2.6.0-test5
*!
*! Revision 1.9 2003/07/04 08:27:37 starvik
*! Merge of Linux 2.5.74
*!
*! Revision 1.8 2003/04/09 05:20:47 starvik
*! Merge of Linux 2.5.67
*!
*! Revision 1.6 2003/02/10 07:19:28 starvik
*! Removed misplaced ;
*!
*! Revision 1.5 2002/12/11 13:13:57 starvik
*! Added arch/ to v10 specific includes
*! Added fix from Linux 2.4 in serial.c (flush_to_flip_buffer)
*!
*! Revision 1.4 2002/11/20 11:56:10 starvik
*! Merge of Linux 2.5.48
*!
*! Revision 1.3 2002/11/18 13:16:06 starvik
*! Linux 2.5 port of latest 2.4 drivers
*!
*! Revision 1.8 2001/06/15 13:24:29 jonashg
*! * Added verification of pointers from userspace in read and write.
*! * Made busy counter volatile.
*! * Added define for initial write delay.
*! * Removed warnings by using loff_t instead of unsigned long.
*!
*! Revision 1.7 2001/06/14 15:26:54 jonashg
*! Removed test because condition is always true.
*!
*! Revision 1.6 2001/06/14 15:18:20 jonashg
*! Kb -> kB (makes quite a difference if you don't know if you have 2k or 16k).
*!
*! Revision 1.5 2001/06/14 14:39:51 jonashg
*! Forgot to use name when registering the driver.
*!
*! Revision 1.4 2001/06/14 14:35:47 jonashg
*! * Gave driver a name and used it in printk's.
*! * Cleanup.
*!
*! Revision 1.3 2001/03/19 16:04:46 markusl
*! Fixed init of fops struct
*!
*! Revision 1.2 2001/03/19 10:35:07 markusl
*! 2.4 port of eeprom driver
*!
*! Revision 1.8 2000/05/18 10:42:25 edgar
*! Make sure to end write cycle on _every_ write
*!
*! Revision 1.7 2000/01/17 17:41:01 johana
*! Adjusted probing and return -ENOSPC when writing outside EEPROM
*!
*! Revision 1.6 2000/01/17 15:50:36 johana
*! Added adaptive timing adjustments and fixed autoprobing for 2k and 16k(?)
*! EEPROMs
*!
*! Revision 1.5 1999/09/03 15:07:37 edgar
*! Added bail-out check to the spinlock
*!
*! Revision 1.4 1999/09/03 12:11:17 bjornw
*! Proper atomicity (need to use spinlocks, not if's). users -> busy.
*!
*!
*! (c) 1999 Axis Communications AB, Lund, Sweden
*!*****************************************************************************/
......@@ -103,10 +32,10 @@
#include <asm/uaccess.h>
#include "i2c.h"
#define D(x)
#define D(x)
/* If we should use adaptive timing or not: */
//#define EEPROM_ADAPTIVE_TIMING
/* #define EEPROM_ADAPTIVE_TIMING */
#define EEPROM_MAJOR_NR 122 /* use a LOCAL/EXPERIMENTAL major for now */
#define EEPROM_MINOR_NR 0
......
arch/cris/arch-v10/drivers/gpio.c
View file @ 0cf975e1
This diff is collapsed.
arch/cris/arch-v10/drivers/i2c.c
View file @ 0cf975e1
......@@ -6,85 +6,9 @@
*! kernel modules (i2c_writereg/readreg) and from userspace using
*! ioctl()'s
*!
*! Nov 30 1998 Torbjorn Eliasson Initial version.
*! Bjorn Wesen Elinux kernel version.
*! Jan 14 2000 Johan Adolfsson Fixed PB shadow register stuff -
*! don't use PB_I2C if DS1302 uses same bits,
*! use PB.
*! $Log: i2c.c,v $
*! Revision 1.13 2005/03/07 13:13:07 starvik
*! Added spinlocks to protect states etc
*!
*! Revision 1.12 2005/01/05 06:11:22 starvik
*! No need to do local_irq_disable after local_irq_save.
*!
*! Revision 1.11 2004/12/13 12:21:52 starvik
*! Added I/O and DMA allocators from Linux 2.4
*!
*! Revision 1.9 2004/08/24 06:49:14 starvik
*! Whitespace cleanup
*!
*! Revision 1.8 2004/06/08 08:48:26 starvik
*! Removed unused code
*!
*! Revision 1.7 2004/05/28 09:26:59 starvik
*! Modified I2C initialization to work in 2.6.
*!
*! Revision 1.6 2004/05/14 07:58:03 starvik
*! Merge of changes from 2.4
*!
*! Revision 1.4 2002/12/11 13:13:57 starvik
*! Added arch/ to v10 specific includes
*! Added fix from Linux 2.4 in serial.c (flush_to_flip_buffer)
*!
*! Revision 1.3 2002/11/20 11:56:11 starvik
*! Merge of Linux 2.5.48
*!
*! Revision 1.2 2002/11/18 13:16:06 starvik
*! Linux 2.5 port of latest 2.4 drivers
*!
*! Revision 1.9 2002/10/31 15:32:26 starvik
*! Update Port B register and shadow even when running with hardware support
*! to avoid glitches when reading bits
*! Never set direction to out in i2c_inbyte
*! Removed incorrect clock toggling at end of i2c_inbyte
*!
*! Revision 1.8 2002/08/13 06:31:53 starvik
*! Made SDA and SCL line configurable
*! Modified i2c_inbyte to work with PCF8563
*!
*! Revision 1.7 2001/04/04 13:11:36 markusl
*! Updated according to review remarks
*!
*! Revision 1.6 2001/03/19 12:43:00 markusl
*! Made some symbols unstatic (used by the eeprom driver)
*!
*! Revision 1.5 2001/02/27 13:52:48 bjornw
*! malloc.h -> slab.h
*!
*! Revision 1.4 2001/02/15 07:17:40 starvik
*! Corrected usage if port_pb_i2c_shadow
*!
*! Revision 1.3 2001/01/26 17:55:13 bjornw
*! * Made I2C_USES_PB_NOT_PB_I2C a CONFIG option instead of assigning it
*! magically. Config.in needs to set it for the options that need it, like
*! Dallas 1302 support. Actually, it should be default since it screws up
*! the PB bits even if you don't use I2C..
*! * Include linux/config.h to get the above
*!
*! Revision 1.2 2001/01/18 15:49:30 bjornw
*! 2.4 port of I2C including some cleanups (untested of course)
*!
*! Revision 1.1 2001/01/18 15:35:25 bjornw
*! Verbatim copy of the Etrax i2c driver, 2.0 elinux version
*!
*!
*! ---------------------------------------------------------------------------
*!
*! (C) Copyright 1999-2002 Axis Communications AB, LUND, SWEDEN
*! (C) Copyright 1999-2007 Axis Communications AB, LUND, SWEDEN
*!
*!***************************************************************************/
/* $Id: i2c.c,v 1.13 2005/03/07 13:13:07 starvik Exp $ */
/****************** INCLUDE FILES SECTION ***********************************/
......@@ -622,7 +546,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
* last received byte needs to be nacked
* instead of acked
*/
i2c_sendack();
i2c_sendnack();
/*
* end sequence
*/
......@@ -708,6 +632,7 @@ i2c_init(void)
if (!first) {
return res;
}
first = 0;
/* Setup and enable the Port B I2C interface */
......
arch/cris/arch-v10/drivers/pcf8563.c
View file @ 0cf975e1
This diff is collapsed.
arch/cris/arch-v10/drivers/sync_serial.c 0 → 100644
View file @ 0cf975e1
This diff is collapsed.
arch/cris/arch-v10/kernel/debugport.c
View file @ 0cf975e1
/* Serialport functions for debugging
*
* Copyright (c) 2000 Axis Communications AB
* Copyright (c) 2000-2007 Axis Communications AB
*
* Authors: Bjorn Wesen
*
......@@ -11,96 +11,6 @@
* enableDebugIRQ()
* init_etrax_debug()
*
* $Log: debugport.c,v $
* Revision 1.27 2005/06/10 10:34:14 starvik
* Real console support
*
* Revision 1.26 2005/06/07 07:06:07 starvik
* Added LF->CR translation to make ETRAX customers happy.
*
* Revision 1.25 2005/03/08 08:56:47 mikaelam
* Do only set index as port->index if port is defined, otherwise use the index from the command line
*
* Revision 1.24 2005/01/19 10:26:33 mikaelam
* Return the cris serial driver in console device driver callback function
*
* Revision 1.23 2005/01/14 10:12:17 starvik
* KGDB on separate port.
* Console fixes from 2.4.
*
* Revision 1.22 2005/01/11 16:06:13 starvik
* typo
*
* Revision 1.21 2005/01/11 13:49:14 starvik
* Added raw_printk to be used where we don't trust the console.
*
* Revision 1.20 2004/12/27 11:18:32 starvik
* Merge of Linux 2.6.10 (not functional yet).
*
* Revision 1.19 2004/10/21 07:26:16 starvik
* Made it possible to specify console settings on kernel command line.
*
* Revision 1.18 2004/10/19 13:07:37 starvik
* Merge of Linux 2.6.9
*
* Revision 1.17 2004/09/29 10:33:46 starvik
* Resolved a dealock when printing debug from kernel.
*
* Revision 1.16 2004/08/24 06:12:19 starvik
* Whitespace cleanup
*
* Revision 1.15 2004/08/16 12:37:19 starvik
* Merge of Linux 2.6.8
*
* Revision 1.14 2004/05/17 13:11:29 starvik
* Disable DMA until real serial driver is up
*
* Revision 1.13 2004/05/14 07:58:01 starvik
* Merge of changes from 2.4
*
* Revision 1.12 2003/09/11 07:29:49 starvik
* Merge of Linux 2.6.0-test5
*
* Revision 1.11 2003/07/07 09:53:36 starvik
* Revert all the 2.5.74 merge changes to make the console work again
*
* Revision 1.9 2003/02/17 17:07:23 starvik
* Solved the problem with corrupted debug output (from Linux 2.4)
* * Wait until DMA, FIFO and pipe is empty before and after transmissions
* * Buffer data until a FIFO flush can be triggered.
*
* Revision 1.8 2003/01/22 06:48:36 starvik
* Fixed warnings issued by GCC 3.2.1
*
* Revision 1.7 2002/12/12 08:26:32 starvik
* Don't use C-comments inside CVS comments
*
* Revision 1.6 2002/12/11 15:42:02 starvik
* Extracted v10 (ETRAX 100LX) specific stuff from arch/cris/kernel/
*
* Revision 1.5 2002/11/20 06:58:03 starvik
* Compiles with kgdb
*
* Revision 1.4 2002/11/19 14:35:24 starvik
* Changes from linux 2.4
* Changed struct initializer syntax to the currently preferred notation
*
* Revision 1.3 2002/11/06 09:47:03 starvik
* Modified for new interrupt macros
*
* Revision 1.2 2002/01/21 15:21:50 bjornw
* Update for kdev_t changes
*
* Revision 1.6 2001/04/17 13:58:39 orjanf
* * Renamed CONFIG_KGDB to CONFIG_ETRAX_KGDB.
*
* Revision 1.5 2001/03/26 14:22:05 bjornw
* Namechange of some config options
*
* Revision 1.4 2000/10/06 12:37:26 bjornw
* Use physical addresses when talking to DMA
*
*
*/
#include <linux/console.h>
......@@ -112,6 +22,8 @@
#include <asm/arch/svinto.h>
#include <asm/io.h> /* Get SIMCOUT. */
extern void reset_watchdog(void);
struct dbg_port
{
unsigned int index;
......@@ -188,7 +100,9 @@ struct dbg_port ports[]=
}
};
#ifdef CONFIG_ETRAX_SERIAL
extern struct tty_driver *serial_driver;
#endif
struct dbg_port* port =
#if defined(CONFIG_ETRAX_DEBUG_PORT0)
......@@ -368,11 +282,12 @@ console_write_direct(struct console *co, const char *buf, unsigned int len)
{
int i;
unsigned long flags;
local_irq_save(flags);
if (!port)
return;
local_irq_save(flags);
/* Send data */
for (i = 0; i < len; i++) {
/* LF -> CRLF */
......@@ -386,26 +301,16 @@ console_write_direct(struct console *co, const char *buf, unsigned int len)
;
*port->write = buf[i];
}
local_irq_restore(flags);
}
int raw_printk(const char *fmt, ...)
{
static char buf[1024];
int printed_len;
static int first = 1;
if (first) {
/* Force reinitialization of the port to get manual mode. */
port->started = 0;
start_port(port);
first = 0;
}
va_list args;
va_start(args, fmt);
printed_len = vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
console_write_direct(NULL, buf, strlen(buf));
return printed_len;
/*
* Feed the watchdog, otherwise it will reset the chip during boot.
* The time to send an ordinary boot message line (10-90 chars)
* varies between 1-8ms at 115200. What makes up for the additional
* 90ms that allows the watchdog to bite?
*/
reset_watchdog();
local_irq_restore(flags);
}
static void
......@@ -500,6 +405,7 @@ console_setup(struct console *co, char *options)
return 0;
}
/* This is a dummy serial device that throws away anything written to it.
* This is used when no debug output is wanted.
*/
......@@ -555,7 +461,13 @@ etrax_console_device(struct console* co, int *index)
{
if (port)
*index = port->index;
else
*index = 0;
#ifdef CONFIG_ETRAX_SERIAL
return port ? serial_driver : &dummy_driver;
#else
return &dummy_driver;
#endif
}
static struct console sercons = {
......
arch/cris/arch-v10/kernel/dma.c
View file @ 0cf975e1
/* Wrapper for DMA channel allocator that updates DMA client muxing.
* Copyright 2004, Axis Communications AB
* $Id: dma.c,v 1.1 2004/12/13 12:21:51 starvik Exp $
* Copyright 2004-2007, Axis Communications AB
*/
#include <linux/kernel.h>
......
arch/cris/arch-v10/kernel/entry.S
View file @ 0cf975e1
/* $Id: entry.S,v 1.28 2005/06/20 05:06:30 starvik Exp $
*
/*
* linux/arch/cris/entry.S
*
* Copyright (C) 2000, 2001, 2002 Axis Communications AB
*
* Authors: Bjorn Wesen (bjornw@axis.com)
*
* $Log: entry.S,v $
* Revision 1.28 2005/06/20 05:06:30 starvik
* Remove unnecessary diff to kernel.org tree
*
* Revision 1.27 2005/03/04 08:16:16 starvik
* Merge of Linux 2.6.11.
*
* Revision 1.26 2005/01/11 13:49:47 starvik
* Added NMI handler.
*
* Revision 1.25 2004/12/27 11:18:32 starvik
* Merge of Linux 2.6.10 (not functional yet).
*
* Revision 1.24 2004/12/22 10:41:23 starvik
* Updates to make v10 compile with the latest SMP aware generic code (even
* though v10 will never have SMP).
*
* Revision 1.23 2004/10/19 13:07:37 starvik
* Merge of Linux 2.6.9
*
* Revision 1.22 2004/06/21 10:29:55 starvik
* Merge of Linux 2.6.7
*
* Revision 1.21 2004/06/09 05:30:27 starvik
* Clean up multiple interrupt handling.
* Prevent interrupts from interrupting each other.
* Handle all active interrupts.
*
* Revision 1.20 2004/06/08 08:55:32 starvik
* Removed unused code
*
* Revision 1.19 2004/06/04 11:56:15 starvik
* Implemented page table lookup for refills in assembler for improved performance.
*
* Revision 1.18 2004/05/11 12:28:25 starvik
* Merge of Linux 2.6.6
*
* Revision 1.17 2003/09/11 07:29:49 starvik
* Merge of Linux 2.6.0-test5
*
* Revision 1.16 2003/07/04 08:27:41 starvik
* Merge of Linux 2.5.74
*
* Revision 1.15 2003/04/09 07:32:55 starvik
* resume should return task_struct, not thread_info
*
* Revision 1.14 2003/04/09 05:20:44 starvik
* Merge of Linux 2.5.67
*
* Revision 1.13 2002/12/11 15:42:02 starvik
* Extracted v10 (ETRAX 100LX) specific stuff from arch/cris/kernel/*.c
*
* Revision 1.12 2002/12/10 09:00:10 starvik
* Merge of Linux 2.5.51
*
* Revision 1.11 2002/12/05 07:53:10 starvik
* Corrected constants used with btstq
*
* Revision 1.10 2002/11/27 08:45:10 starvik
* pid is in task_struct, not thread_info
*
* Revision 1.9 2002/11/26 09:52:05 starvik
* Added preemptive kernel scheduling (if CONFIG_PREEMPT)
*
* Revision 1.8 2002/11/20 11:56:11 starvik
* Merge of Linux 2.5.48
*
* Revision 1.7 2002/11/18 13:02:42 starvik
* Added fourth parameter to do_notify_resume
* Minor cleanup
*
* Revision 1.6 2002/11/11 10:37:50 starvik
* Use new asm-offset defines
* Modified for new location of current->work etc
* Removed SYMBOL_NAME from syscalls
* Added some new syscalls
*
* Revision 1.5 2002/11/05 06:45:11 starvik
* Merge of Linux 2.5.45
*
* Revision 1.4 2002/02/05 15:41:31 bjornw
* Rewritten to conform better to current 2.5 code (similar to arch/i386)
*
* Revision 1.3 2002/01/21 15:22:20 bjornw
* NICE_DOGGY fix from 2.4 arch/cris
*
* Revision 1.37 2001/12/07 17:03:55 bjornw
* Call a c-hook called watchdog_bite_hook instead of show_registers directly
*
* Revision 1.36 2001/11/22 13:36:36 bjornw
* * In ret_from_intr, check regs->dccr for usermode reentrance instead of
* DCCR explicitly (because the latter might not reflect current reality)
* * In mmu_bus_fault, set $r9 _after_ calling the C-code instead of before
* since $r9 is call-clobbered and is potentially needed afterwards
*
* Revision 1.35 2001/10/30 17:10:15 bjornw
* Add some syscalls
*
* Revision 1.34 2001/10/01 14:45:03 bjornw
* Removed underscores and added register prefixes
*
* Revision 1.33 2001/08/21 13:48:01 jonashg
* Added fix by HP to avoid oops when doing a hard_reset_now.
*
* Revision 1.32 2001/08/14 04:32:02 hp
* In _resume, add comment why R9 is saved; don't sound like it's call-saved.
*
* Revision 1.31 2001/07/25 16:07:42 bjornw
* softirq_active/mask -> softirq_pending only
*
* Revision 1.30 2001/07/05 01:03:32 hp
* - include asm/errno.h to get ENOSYS.
* - Use ENOSYS, not local constant LENOSYS; tweak comments.
* - Explain why .include, not #include is used.
* - Make oops-register-dump if watchdog bits and it's not expected.
* - Don't jsr, use jump _hard_reset_now, and skip spurious nop.
* - Use correct section attribute for section .rodata.
* - Adjust sys_ni_syscall fill number.
*
* Revision 1.29 2001/06/25 14:07:00 hp
* Fix review comment.
* * head.S: Use IO_STATE, IO_FIELD and IO_MASK constructs instead of
* magic numbers. Add comment that -traditional must not be used.
* * entry.S (SYMBOL_NAME): Change redefinition to use ## concatenation.
* Correct and update comment.
* * Makefile (.S.o): Don't use -traditional. Add comment why the
* toplevel rule can't be used (now that there's a reason).
*
* Revision 1.28 2001/06/21 02:00:40 hp
* * entry.S: Include asm/unistd.h.
* (_sys_call_table): Use section .rodata, not .data.
* (_kernel_thread): Move from...
* * process.c: ... here.
* * entryoffsets.c (VAL): Break out from...
* (OF): Use VAL.
* (LCLONE_VM): New asmified value from CLONE_VM.
*
* Revision 1.27 2001/05/29 11:25:27 markusl
* In case of "spurious_interrupt", do hard_reset instead of hanging system in a loop...
*
* Revision 1.26 2001/05/15 15:46:03 bjornw
* Include config.h now that we use some CONFIG_ options
*
* Revision 1.25 2001/05/15 05:38:47 hp
* Tweaked code in _ret_from_sys_call
*
* Revision 1.24 2001/05/15 05:27:49 hp
* Save r9 in r1 over function call rather than on stack.
*
* Revision 1.23 2001/05/15 05:10:00 hp
* Generate entry.S structure offsets from C
*
* Revision 1.22 2001/04/17 13:58:39 orjanf
* * Renamed CONFIG_KGDB to CONFIG_ETRAX_KGDB.
*
* Revision 1.21 2001/04/17 11:33:29 orjanf
* Updated according to review:
* * Included asm/sv_addr_ag.h to get macro for internal register.
* * Corrected comment regarding system call argument passing.
* * Removed comment about instruction being in a delay slot.
* * Added comment about SYMBOL_NAME macro.
*
* Revision 1.20 2001/04/12 08:51:07 hp
* - Add entry for sys_fcntl64. In fact copy last piece from i386 including ...
* - .rept to fill table to safe state with sys_ni_syscall.
*
* Revision 1.19 2001/04/04 09:43:32 orjanf
* * Moved do_sigtrap from traps.c to entry.S.
* * LTASK_PID need not be global anymore.
*
* Revision 1.18 2001/03/26 09:25:02 markusl
* Updated after review, should now handle USB interrupts correctly.
*
* Revision 1.17 2001/03/21 16:12:55 bjornw
* * Always make room for the cpu status record in the frame, in order to
* use the same framelength and layout for both mmu busfaults and normal
* irqs. No need to check for the explicit CRIS_FRAME_FIXUP type anymore.
* * Fixed bug with using addq for popping the stack in the epilogue - it
* destroyed the flag register. Use instructions that don't affect the
* flag register instead.
* * Removed write to R_PORT_PA_DATA during spurious_interrupt
*
* Revision 1.16 2001/03/20 19:43:02 bjornw
* * Get rid of esp0 setting
* * Give a 7th argument to a systemcall - the stackframe
*
* Revision 1.15 2001/03/05 13:14:30 bjornw
* Spelling fix
*
* Revision 1.14 2001/02/23 08:36:36 perf
* New ABI; syscallnr=r9, arg5=mof, arg6=srp.
* Corrected tracesys call check.
*
* Revision 1.13 2001/02/15 08:40:55 perf
* H-P by way of perf;
* - (_system_call): Don't read system call function address into r1.
* - (RBFExit): There is no such thing as a null pop. Adjust sp by addq.
* - (_system_call): Don't use r10 and don't save and restore it.
* - (THREAD_ESP0): New constant.
* - (_system_call): Inline set_esp0.
*
* Revision 1.12 2001/01/31 17:56:25 orjanf
* Added definition of LTASK_PID and made it global.
*
* Revision 1.11 2001/01/10 21:13:29 bjornw
* SYMBOL_NAME is defined incorrectly for the compiler options we currently use
*
* Revision 1.10 2000/12/18 23:47:56 bjornw
* * Added syscall trace support (ptrace), completely untested of course
* * Removed redundant check for NULL entries in syscall_table
*
* Revision 1.9 2000/11/21 16:40:51 bjornw
* * New frame type used when an SBFS frame needs to be popped without
* actually restarting the instruction
* * Enable interrupts in signal_return (they did so in x86, I hope it's a good
* idea)
*
* Revision 1.8 2000/11/17 16:53:35 bjornw
* Added detection of frame-type in Rexit, so that mmu_bus_fault can
* use ret_from_intr in the return-path to check for signals (like SEGV)
* and other foul things that might have occurred during the fault.
*
* Revision 1.7 2000/10/06 15:04:28 bjornw
* Include mof in register savings
*
* Revision 1.6 2000/09/12 16:02:44 bjornw
* Linux-2.4.0-test7 derived updates
*
* Revision 1.5 2000/08/17 15:35:15 bjornw
* 2.4.0-test6 changed local_irq_count and friends API
*
* Revision 1.4 2000/08/02 13:59:30 bjornw
* Removed olduname and uname from the syscall list
*
* Revision 1.3 2000/07/31 13:32:58 bjornw
* * Export ret_from_intr
* * _resume updated (prev/last tjohejsan)
* * timer_interrupt obsolete
* * SIGSEGV detection in mmu_bus_fault temporarily disabled
*
*
*/
/*
......@@ -1167,9 +924,11 @@ sys_call_table:
.long sys_epoll_pwait
.long sys_utimensat /* 320 */
.long sys_signalfd
.long sys_ni_syscall
.long sys_timerfd_create
.long sys_eventfd
.long sys_fallocate
.long sys_timerfd_settime /* 325 */
.long sys_timerfd_gettime
/*
* NOTE!! This doesn't have to be exact - we just have
......
arch/cris/arch-v10/kernel/fasttimer.c
View file @ 0cf975e1
......@@ -31,15 +31,12 @@
#define DEBUG_LOG_INCLUDED
#define FAST_TIMER_LOG
//#define FAST_TIMER_TEST
/* #define FAST_TIMER_TEST */
#define FAST_TIMER_SANITY_CHECKS
#ifdef FAST_TIMER_SANITY_CHECKS
#define SANITYCHECK(x) x
static int sanity_failed;
#else
#define SANITYCHECK(x)
#endif
#define D1(x)
......@@ -226,23 +223,19 @@ void start_one_shot_timer(struct fast_timer *t,
do_gettimeofday_fast(&t->tv_set);
tmp = fast_timer_list;
SANITYCHECK({ /* Check so this is not in the list already... */
while (tmp != NULL)
{
if (tmp == t)
{
printk(KERN_WARNING
"timer name: %s data: 0x%08lX already in list!\n", name, data);
sanity_failed++;
goto done;
}
else
{
tmp = tmp->next;
}
}
tmp = fast_timer_list;
});
#ifdef FAST_TIMER_SANITY_CHECKS
/* Check so this is not in the list already... */
while (tmp != NULL) {
if (tmp == t) {
printk(KERN_WARNING "timer name: %s data: "
"0x%08lX already in list!\n", name, data);
sanity_failed++;
goto done;
} else
tmp = tmp->next;
}
tmp = fast_timer_list;
#endif
t->delay_us = delay_us;
t->function = function;
......
arch/cris/arch-v10/kernel/head.S
View file @ 0cf975e1
/* $Id: head.S,v 1.10 2005/06/20 05:12:54 starvik Exp $
*
/*
* Head of the kernel - alter with care
*
* Copyright (C) 2000, 2001 Axis Communications AB
*
* Authors: Bjorn Wesen (bjornw@axis.com)
*
* $Log: head.S,v $
* Revision 1.10 2005/06/20 05:12:54 starvik
* Remove unnecessary diff to kernel.org tree
*
* Revision 1.9 2004/12/13 12:21:51 starvik
* Added I/O and DMA allocators from Linux 2.4
*
* Revision 1.8 2004/11/22 11:41:14 starvik
* Kernel command line may be supplied to kernel. Not used by Axis but may
* be used by customers.
*
* Revision 1.7 2004/05/14 07:58:01 starvik
* Merge of changes from 2.4
*
* Revision 1.6 2003/04/28 05:31:46 starvik
* Added section attributes
*
* Revision 1.5 2002/12/11 15:42:02 starvik
* Extracted v10 (ETRAX 100LX) specific stuff from arch/cris/kernel/*.c
*
* Revision 1.4 2002/11/07 09:00:44 starvik
* Names changed for init sections
* init_task_union -> init_thread_union
*
* Revision 1.3 2002/02/05 15:38:23 bjornw
* Oops.. non-CRAMFS_MAGIC should jump over the copying, not into it...
*
* Revision 1.2 2001/12/18 13:35:19 bjornw
* Applied the 2.4.13->2.4.16 CRIS patch to 2.5.1 (is a copy of 2.4.15).
*
* Revision 1.43 2001/11/08 15:09:43 starvik
* Only start MII clock if Ethernet is configured
*
* Revision 1.42 2001/11/08 14:37:34 starvik
* Start MII clock early to make sure that it is running at tranceiver reset
*
* Revision 1.41 2001/10/29 14:55:58 pkj
* Corrected pa$r0 to par0.
*
* Revision 1.40 2001/10/03 14:59:57 pkj
* Added support for resetting the Bluetooth hardware.
*
* Revision 1.39 2001/10/01 14:45:03 bjornw
* Removed underscores and added register prefixes
*
* Revision 1.38 2001/09/21 07:14:11 jonashg
* Made root filesystem (cramfs) use mtdblock driver when booting from flash.
*
* Revision 1.37 2001/09/11 13:44:29 orjanf
* Decouple usage of serial ports for debug and kgdb.
*
* Revision 1.36 2001/06/29 12:39:31 pkj
* Added support for mirroring the first flash to just below the
* second one, to make them look consecutive to cramfs.
*
* Revision 1.35 2001/06/25 14:07:00 hp
* Fix review comment.
* * head.S: Use IO_STATE, IO_FIELD and IO_MASK constructs instead of
* magic numbers. Add comment that -traditional must not be used.
* * entry.S (SYMBOL_NAME): Change redefinition to use ## concatenation.
* Correct and update comment.
* * Makefile (.S.o): Don't use -traditional. Add comment why the
* toplevel rule can't be used (now that there's a reason).
*
* Revision 1.34 2001/05/15 07:08:14 hp
* Tweak "notice" to reflect that both r8 r9 are used
*
* Revision 1.33 2001/05/15 06:40:05 hp
* Put bulk of code in .text.init, data in .data.init
*
* Revision 1.32 2001/05/15 06:18:56 hp
* Execute review comment: s/bcc/bhs/g; s/bcs/blo/g
*
* Revision 1.31 2001/05/15 06:08:40 hp
* Add sentence about autodetecting the bit31-MMU-bug
*
* Revision 1.30 2001/05/15 06:00:05 hp
* Update comment: LOW_MAP is not forced on xsim anymore.
*
* Revision 1.29 2001/04/18 12:51:59 orjanf
* * Reverted review change regarding the use of bcs/bcc.
* * Removed non-working LED-clearing code.
*
* Revision 1.28 2001/04/17 13:58:39 orjanf
* * Renamed CONFIG_KGDB to CONFIG_ETRAX_KGDB.
*
* Revision 1.27 2001/04/17 11:42:35 orjanf
* Changed according to review:
* * Added comment explaining memory map bug.
* * Changed bcs and bcc to blo and bhs, respectively.
* * Removed mentioning of Stallone and Olga boards.
*
* Revision 1.26 2001/04/06 12:31:07 jonashg
* Check for cramfs in flash before RAM instead of RAM before flash.
*
* Revision 1.25 2001/04/04 06:23:53 starvik
* Initialize DRAM if not already initialized
*
* Revision 1.24 2001/04/03 11:12:00 starvik
* Removed dram init (done by rescue or etrax100boot
* Corrected include
*
* Revision 1.23 2001/04/03 09:53:03 starvik
* Include hw_settings.S
*
* Revision 1.22 2001/03/26 14:23:26 bjornw
* Namechange of some config options
*
* Revision 1.21 2001/03/08 12:14:41 bjornw
* * Config name for ETRAX IDE was renamed
* * Removed G27 auto-setting when JULIETTE is chosen (need to make this
* a new config option later)
*
* Revision 1.20 2001/02/23 12:47:56 bjornw
* MMU regs during LOW_MAP updated to reflect a newer reality
*
* Revision 1.19 2001/02/19 11:12:07 bjornw
* Changed comment header format
*
* Revision 1.18 2001/02/15 07:25:38 starvik
* Added support for synchronous serial ports
*
* Revision 1.17 2001/02/08 15:53:13 starvik
* Last commit removed some important ifdefs
*
* Revision 1.16 2001/02/08 15:20:38 starvik
* Include dram_init.S as inline
*
* Revision 1.15 2001/01/29 18:12:01 bjornw
* Corrected some comments
*
* Revision 1.14 2001/01/29 13:11:29 starvik
* Include dram_init.S (with DRAM/SDRAM initialization)
*
* Revision 1.13 2001/01/23 14:54:57 markusl
* Updated for USB
* i.e. added r_gen_config settings
*
* Revision 1.12 2001/01/19 16:16:29 perf
* Added temporary mapping of 0x0c->0x0c to avoid flash loading confusion.
* Renamed serial options from ETRAX100 to ETRAX.
*
* Revision 1.11 2001/01/16 16:31:38 bjornw
* * Changed name and semantics of running_from_flash to romfs_in_flash,
* set by head.S to indicate to setup.c whether there is a cramfs image
* after the kernels BSS or not. Should work for all three boot-cases
* (DRAM with cramfs in DRAM, DRAM with cramfs in flash (compressed boot),
* and flash with cramfs in flash)
*
* Revision 1.10 2001/01/16 14:12:21 bjornw
* * Check for cramfs start passed in r9 from the decompressor, if all other
* cramfs options fail (if we boot from DRAM but don't find a cramfs image
* after the kernel in DRAM, it is probably still in the flash)
* * Check magic in cramfs detection when booting from flash directly
*
* Revision 1.9 2001/01/15 17:17:02 bjornw
* * Corrected the code that detects the cramfs lengths
* * Added a comment saying that the above does not work due to other
* reasons..
*
* Revision 1.8 2001/01/15 16:27:51 jonashg
* Made boot after flashing work.
* * end destination is __vmlinux_end in RAM.
* * _romfs_start moved because of virtual memory.
*
* Revision 1.7 2000/11/21 13:55:29 bjornw
* Use CONFIG_CRIS_LOW_MAP for the low VM map instead of explicit CPU type
*
* Revision 1.6 2000/10/06 12:36:55 bjornw
* Forgot swapper_pg_dir when changing memory map..
*
* Revision 1.5 2000/10/04 16:49:30 bjornw
* * Fixed memory mapping in LX
* * Check for cramfs instead of romfs
*
*/
#define ASSEMBLER_MACROS_ONLY
......@@ -595,11 +419,17 @@ no_command_line:
moveq 0,$r0
;; Select or disable serial port 2
#ifdef CONFIG_ETRAX_SERIAL_PORT2
or.d IO_STATE (R_GEN_CONFIG, ser2, select),$r0
#else
or.d IO_STATE (R_GEN_CONFIG, ser2, disable),$r0
#endif
;; Init interfaces (disable them).
or.d IO_STATE (R_GEN_CONFIG, scsi0, disable) \
| IO_STATE (R_GEN_CONFIG, ata, disable) \
| IO_STATE (R_GEN_CONFIG, par0, disable) \
| IO_STATE (R_GEN_CONFIG, ser2, disable) \
| IO_STATE (R_GEN_CONFIG, mio, disable) \
| IO_STATE (R_GEN_CONFIG, scsi1, disable) \
| IO_STATE (R_GEN_CONFIG, scsi0w, disable) \
......@@ -801,6 +631,41 @@ no_command_line:
| IO_STATE (R_SERIAL1_TR_CTRL, tr_bitnr, tr_8bit),$r0
move.b $r0,[R_SERIAL1_TR_CTRL]
#ifdef CONFIG_ETRAX_SERIAL_PORT2
;; setup the serial port 2 at 115200 baud for debug purposes
moveq IO_STATE (R_SERIAL2_XOFF, tx_stop, enable) \
| IO_STATE (R_SERIAL2_XOFF, auto_xoff, disable) \
| IO_FIELD (R_SERIAL2_XOFF, xoff_char, 0),$r0
move.d $r0,[R_SERIAL2_XOFF]
; 115.2kbaud for both transmit and receive
move.b IO_STATE (R_SERIAL2_BAUD, tr_baud, c115k2Hz) \
| IO_STATE (R_SERIAL2_BAUD, rec_baud, c115k2Hz),$r0
move.b $r0,[R_SERIAL2_BAUD]
; Set up and enable the serial2 receiver.
move.b IO_STATE (R_SERIAL2_REC_CTRL, dma_err, stop) \
| IO_STATE (R_SERIAL2_REC_CTRL, rec_enable, enable) \
| IO_STATE (R_SERIAL2_REC_CTRL, rts_, active) \
| IO_STATE (R_SERIAL2_REC_CTRL, sampling, middle) \
| IO_STATE (R_SERIAL2_REC_CTRL, rec_stick_par, normal) \
| IO_STATE (R_SERIAL2_REC_CTRL, rec_par, even) \
| IO_STATE (R_SERIAL2_REC_CTRL, rec_par_en, disable) \
| IO_STATE (R_SERIAL2_REC_CTRL, rec_bitnr, rec_8bit),$r0
move.b $r0,[R_SERIAL2_REC_CTRL]
; Set up and enable the serial2 transmitter.
move.b IO_FIELD (R_SERIAL2_TR_CTRL, txd, 0) \
| IO_STATE (R_SERIAL2_TR_CTRL, tr_enable, enable) \
| IO_STATE (R_SERIAL2_TR_CTRL, auto_cts, disabled) \
| IO_STATE (R_SERIAL2_TR_CTRL, stop_bits, one_bit) \
| IO_STATE (R_SERIAL2_TR_CTRL, tr_stick_par, normal) \
| IO_STATE (R_SERIAL2_TR_CTRL, tr_par, even) \
| IO_STATE (R_SERIAL2_TR_CTRL, tr_par_en, disable) \
| IO_STATE (R_SERIAL2_TR_CTRL, tr_bitnr, tr_8bit),$r0
move.b $r0,[R_SERIAL2_TR_CTRL]
#endif
#ifdef CONFIG_ETRAX_SERIAL_PORT3
;; setup the serial port 3 at 115200 baud for debug purposes
......
arch/cris/arch-v10/kernel/irq.c
View file @ 0cf975e1
/* $Id: irq.c,v 1.4 2005/01/04 12:22:28 starvik Exp $
*
/*
* linux/arch/cris/kernel/irq.c
*
* Copyright (c) 2000-2002 Axis Communications AB
......@@ -18,10 +17,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
/* From kgdb.c. */
extern void kgdb_init(void);
extern void breakpoint(void);
#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr));
#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr));
......
arch/cris/arch-v10/kernel/kgdb.c
View file @ 0cf975e1
......@@ -17,66 +17,8 @@
*! Jun 17 1999 Hendrik Ruijter Added gdb 4.18 support. 'X', 'qC' and 'qL'.
*! Jul 21 1999 Bjorn Wesen eLinux port
*!
*! $Log: kgdb.c,v $
*! Revision 1.6 2005/01/14 10:12:17 starvik
*! KGDB on separate port.
*! Console fixes from 2.4.
*!
*! Revision 1.5 2004/10/07 13:59:08 starvik
*! Corrected call to set_int_vector
*!
*! Revision 1.4 2003/04/09 05:20:44 starvik
*! Merge of Linux 2.5.67
*!
*! Revision 1.3 2003/01/21 19:11:08 starvik
*! Modified include path for new dir layout
*!
*! Revision 1.2 2002/11/19 14:35:24 starvik
*! Changes from linux 2.4
*! Changed struct initializer syntax to the currently preferred notation
*!
*! Revision 1.1 2001/12/17 13:59:27 bjornw
*! Initial revision
*!
*! Revision 1.6 2001/10/09 13:10:03 matsfg
*! Added $ on registers and removed some underscores
*!
*! Revision 1.5 2001/04/17 13:58:39 orjanf
*! * Renamed CONFIG_KGDB to CONFIG_ETRAX_KGDB.
*!
*! Revision 1.4 2001/02/23 13:45:19 bjornw
*! config.h check
*!
*! Revision 1.3 2001/01/31 18:08:23 orjanf
*! Removed kgdb_handle_breakpoint from being the break 8 handler.
*!
*! Revision 1.2 2001/01/12 14:22:25 orjanf
*! Updated kernel debugging support to work with ETRAX 100LX.
*!
*! Revision 1.1 2000/07/10 16:25:21 bjornw
*! Initial revision
*!
*! Revision 1.1.1.1 1999/12/03 14:57:31 bjornw
*! * Initial version of arch/cris, the latest CRIS architecture with an MMU.
*! Mostly copied from arch/etrax100 with appropriate renames of files.
*! The mm/ subdir is copied from arch/i386.
*! This does not compile yet at all.
*!
*!
*! Revision 1.4 1999/07/22 17:25:25 bjornw
*! Dont wait for + in putpacket if we havent hit the initial breakpoint yet. Added a kgdb_init function which sets up the break and irq vectors.
*!
*! Revision 1.3 1999/07/21 19:51:18 bjornw
*! Check if the interrupting char is a ctrl-C, ignore otherwise.
*!
*! Revision 1.2 1999/07/21 18:09:39 bjornw
*! Ported to eLinux architecture, and added some kgdb documentation.
*!
*!
*!---------------------------------------------------------------------------
*!
*! $Id: kgdb.c,v 1.6 2005/01/14 10:12:17 starvik Exp $
*!
*! (C) Copyright 1999, Axis Communications AB, LUND, SWEDEN
*!
*!**************************************************************************/
......
arch/cris/arch-v10/kernel/process.c
View file @ 0cf975e1
/* $Id: process.c,v 1.12 2004/12/27 11:18:32 starvik Exp $
*
/*
* linux/arch/cris/kernel/process.c
*
* Copyright (C) 1995 Linus Torvalds
......
arch/cris/arch-v10/kernel/ptrace.c
View file @ 0cf975e1
......@@ -65,6 +65,7 @@ void
ptrace_disable(struct task_struct *child)
{
/* Todo - pending singlesteps? */
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
}
/*
......
arch/cris/arch-v10/kernel/shadows.c
View file @ 0cf975e1
/* $Id: shadows.c,v 1.2 2004/12/13 12:21:51 starvik Exp $
*
/*
* Various shadow registers. Defines for these are in include/asm-etrax100/io.h
*/
......
arch/cris/arch-v10/kernel/traps.c
View file @ 0cf975e1
/* $Id: traps.c,v 1.4 2005/04/24 18:47:55 starvik Exp $
/*
* Helper functions for trap handlers
*
* linux/arch/cris/arch-v10/traps.c
* Copyright (C) 2000-2007, Axis Communications AB.
*
* Heler functions for trap handlers
*
* Copyright (C) 2000-2002 Axis Communications AB
*
* Authors: Bjorn Wesen
* Hans-Peter Nilsson
* Authors: Bjorn Wesen
* Hans-Peter Nilsson
*
*/
......@@ -15,124 +12,119 @@
#include <asm/uaccess.h>
#include <asm/arch/sv_addr_ag.h>
extern int raw_printk(const char *fmt, ...);
void
show_registers(struct pt_regs * regs)
void
show_registers(struct pt_regs *regs)
{
/* We either use rdusp() - the USP register, which might not
correspond to the current process for all cases we're called,
or we use the current->thread.usp, which is not up to date for
the current process. Experience shows we want the USP
register. */
/*
* It's possible to use either the USP register or current->thread.usp.
* USP might not correspond to the current process for all cases this
* function is called, and current->thread.usp isn't up to date for the
* current process. Experience shows that using USP is the way to go.
*/
unsigned long usp = rdusp();
raw_printk("IRP: %08lx SRP: %08lx DCCR: %08lx USP: %08lx MOF: %08lx\n",
regs->irp, regs->srp, regs->dccr, usp, regs->mof );
raw_printk(" r0: %08lx r1: %08lx r2: %08lx r3: %08lx\n",
printk("IRP: %08lx SRP: %08lx DCCR: %08lx USP: %08lx MOF: %08lx\n",
regs->irp, regs->srp, regs->dccr, usp, regs->mof);
printk(" r0: %08lx r1: %08lx r2: %08lx r3: %08lx\n",
regs->r0, regs->r1, regs->r2, regs->r3);
raw_printk(" r4: %08lx r5: %08lx r6: %08lx r7: %08lx\n",
printk(" r4: %08lx r5: %08lx r6: %08lx r7: %08lx\n",
regs->r4, regs->r5, regs->r6, regs->r7);
raw_printk(" r8: %08lx r9: %08lx r10: %08lx r11: %08lx\n",
printk(" r8: %08lx r9: %08lx r10: %08lx r11: %08lx\n",
regs->r8, regs->r9, regs->r10, regs->r11);
raw_printk("r12: %08lx r13: %08lx oR10: %08lx sp: %08lx\n",
regs->r12, regs->r13, regs->orig_r10, regs);
raw_printk("R_MMU_CAUSE: %08lx\n", (unsigned long)*R_MMU_CAUSE);
raw_printk("Process %s (pid: %d, stackpage=%08lx)\n",
printk("r12: %08lx r13: %08lx oR10: %08lx sp: %08lx\n",
regs->r12, regs->r13, regs->orig_r10, (long unsigned)regs);
printk("R_MMU_CAUSE: %08lx\n", (unsigned long)*R_MMU_CAUSE);
printk("Process %s (pid: %d, stackpage=%08lx)\n",
current->comm, current->pid, (unsigned long)current);
/*
* When in-kernel, we also print out the stack and code at the
* time of the fault..
*/
if (! user_mode(regs)) {
int i;
* When in-kernel, we also print out the stack and code at the
* time of the fault..
*/
if (!user_mode(regs)) {
int i;
show_stack(NULL, (unsigned long*)usp);
show_stack(NULL, (unsigned long *)usp);
/* Dump kernel stack if the previous dump wasn't one. */
/*
* If the previous stack-dump wasn't a kernel one, dump the
* kernel stack now.
*/
if (usp != 0)
show_stack (NULL, NULL);
raw_printk("\nCode: ");
if(regs->irp < PAGE_OFFSET)
goto bad;
/* Often enough the value at regs->irp does not point to
the interesting instruction, which is most often the
_previous_ instruction. So we dump at an offset large
enough that instruction decoding should be in sync at
the interesting point, but small enough to fit on a row
(sort of). We point out the regs->irp location in a
ksymoops-friendly way by wrapping the byte for that
address in parentheses. */
for(i = -12; i < 12; i++)
{
unsigned char c;
if(__get_user(c, &((unsigned char*)regs->irp)[i])) {
bad:
raw_printk(" Bad IP value.");
break;
}
show_stack(NULL, NULL);
printk("\nCode: ");
if (regs->irp < PAGE_OFFSET)
goto bad_value;
/*
* Quite often the value at regs->irp doesn't point to the
* interesting instruction, which often is the previous
* instruction. So dump at an offset large enough that the
* instruction decoding should be in sync at the interesting
* point, but small enough to fit on a row. The regs->irp
* location is pointed out in a ksymoops-friendly way by
* wrapping the byte for that address in parenthesises.
*/
for (i = -12; i < 12; i++) {
unsigned char c;
if (__get_user(c, &((unsigned char *)regs->irp)[i])) {
bad_value:
printk(" Bad IP value.");
break;
}
if (i == 0)
raw_printk("(%02x) ", c);
printk("(%02x) ", c);
else
raw_printk("%02x ", c);
}
raw_printk("\n");
}
printk("%02x ", c);
}
printk("\n");
}
}
/* Called from entry.S when the watchdog has bitten
* We print out something resembling an oops dump, and if
* we have the nice doggy development flag set, we halt here
* instead of rebooting.
*/
extern void reset_watchdog(void);
extern void stop_watchdog(void);
void
watchdog_bite_hook(struct pt_regs *regs)
arch_enable_nmi(void)
{
#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
local_irq_disable();
stop_watchdog();
show_registers(regs);
while(1) /* nothing */;
#else
show_registers(regs);
#endif
asm volatile ("setf m");
}
/* This is normally the 'Oops' routine */
void
die_if_kernel(const char * str, struct pt_regs * regs, long err)
extern void (*nmi_handler)(struct pt_regs *);
void handle_nmi(struct pt_regs *regs)
{
if(user_mode(regs))
return;
#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
/* This printout might take too long and trigger the
* watchdog normally. If we're in the nice doggy
* development mode, stop the watchdog during printout.
*/
stop_watchdog();
#endif
raw_printk("%s: %04lx\n", str, err & 0xffff);
show_registers(regs);
#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
reset_watchdog();
#endif
do_exit(SIGSEGV);
if (nmi_handler)
nmi_handler(regs);
/* Wait until nmi is no longer active. (We enable NMI immediately after
returning from this function, and we don't want it happening while
exiting from the NMI interrupt handler.) */
while (*R_IRQ_MASK0_RD & IO_STATE(R_IRQ_MASK0_RD, nmi_pin, active))
;
}
void arch_enable_nmi(void)
#ifdef CONFIG_DEBUG_BUGVERBOSE
void
handle_BUG(struct pt_regs *regs)
{
asm volatile("setf m");
struct bug_frame f;
unsigned char c;
unsigned long irp = regs->irp;
if (__copy_from_user(&f, (const void __user *)(irp - 8), sizeof f))
return;
if (f.prefix != BUG_PREFIX || f.magic != BUG_MAGIC)
return;
if (__get_user(c, f.filename))
f.filename = "<bad filename>";
printk("kernel BUG at %s:%d!\n", f.filename, f.line);
}
#endif
arch/cris/arch-v10/lib/checksum.S
View file @ 0cf975e1
/* $Id: checksum.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
/*
* A fast checksum routine using movem
* Copyright (c) 1998-2001 Axis Communications AB
*
......@@ -61,8 +61,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords
ax
addq 0,$r12
ax ; do it again, since we might have generated a carry
addq 0,$r12
subq 10*4,$r11
bge _mloop
......@@ -88,10 +86,6 @@ _word_loop:
lsrq 16,$r13 ; r13 = checksum >> 16
and.d $r9,$r12 ; checksum = checksum & 0xffff
add.d $r13,$r12 ; checksum += r13
move.d $r12,$r13 ; do the same again, maybe we got a carry last add
lsrq 16,$r13
and.d $r9,$r12
add.d $r13,$r12
_no_fold:
cmpq 2,$r11
......
arch/cris/arch-v10/lib/checksumcopy.S
View file @ 0cf975e1
/* $Id: checksumcopy.S,v 1.1 2001/12/17 13:59:27 bjornw Exp $
/*
* A fast checksum+copy routine using movem
* Copyright (c) 1998, 2001 Axis Communications AB
*
......@@ -67,8 +67,6 @@ _mloop: movem [$r10+],$r9 ; read 10 longwords
ax
addq 0,$r13
ax ; do it again, since we might have generated a carry
addq 0,$r13
subq 10*4,$r12
bge _mloop
......@@ -91,10 +89,6 @@ _word_loop:
lsrq 16,$r9 ; r0 = checksum >> 16
and.d 0xffff,$r13 ; checksum = checksum & 0xffff
add.d $r9,$r13 ; checksum += r0
move.d $r13,$r9 ; do the same again, maybe we got a carry last add
lsrq 16,$r9
and.d 0xffff,$r13
add.d $r9,$r13
_no_fold:
cmpq 2,$r12
......
arch/cris/arch-v10/lib/dram_init.S
View file @ 0cf975e1
/* $Id: dram_init.S,v 1.4 2003/09/22 09:21:59 starvik Exp $
*
/*
* DRAM/SDRAM initialization - alter with care
* This file is intended to be included from other assembler files
*
......@@ -8,60 +7,7 @@
*
* Copyright (C) 2000, 2001 Axis Communications AB
*
* Authors: Mikael Starvik (starvik@axis.com)
*
* $Log: dram_init.S,v $
* Revision 1.4 2003/09/22 09:21:59 starvik
* Decompresser is linked to 0x407xxxxx and sdram commands are at 0x000xxxxx
* so we need to mask off 12 bits.
*
* Revision 1.3 2003/03/31 09:38:37 starvik
* Corrected calculation of end of sdram init commands
*
* Revision 1.2 2002/11/19 13:33:29 starvik
* Changes from Linux 2.4
*
* Revision 1.13 2002/10/30 07:42:28 starvik
* Always read SDRAM command sequence from flash
*
* Revision 1.12 2002/08/09 11:37:37 orjanf
* Added double initialization work-around for Samsung SDRAMs.
*
* Revision 1.11 2002/06/04 11:43:21 starvik
* Check if mrs_data is specified in kernelconfig (necessary for MCM)
*
* Revision 1.10 2001/10/04 12:00:21 martinnn
* Added missing underscores.
*
* Revision 1.9 2001/10/01 14:47:35 bjornw
* Added register prefixes and removed underscores
*
* Revision 1.8 2001/05/15 07:12:45 hp
* Copy warning from head.S about r8 and r9
*
* Revision 1.7 2001/04/18 12:05:39 bjornw
* Fixed comments, and explicitly include config.h to be sure its there
*
* Revision 1.6 2001/04/10 06:20:16 starvik
* Delay should be 200us, not 200ns
*
* Revision 1.5 2001/04/09 06:01:13 starvik
* Added support for 100 MHz SDRAMs
*
* Revision 1.4 2001/03/26 14:24:01 bjornw
* Namechange of some config options
*
* Revision 1.3 2001/03/23 08:29:41 starvik
* Corrected calculation of mrs_data
*
* Revision 1.2 2001/02/08 15:20:00 starvik
* Corrected SDRAM initialization
* Should now be included as inline
*
* Revision 1.1 2001/01/29 13:08:02 starvik
* Initial version
* This file should be included from all assembler files that needs to
* initialize DRAM/SDRAM.
* Authors: Mikael Starvik (starvik@axis.com)
*
*/
......
arch/cris/arch-v10/lib/old_checksum.c
View file @ 0cf975e1
/* $Id: old_checksum.c,v 1.3 2003/10/27 08:04:32 starvik Exp $
*
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
......
arch/cris/arch-v10/mm/fault.c
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#
# arch/cris/arch-v32/boot/Makefile
#
target = $(target_boot_dir)
src = $(src_boot_dir)
zImage: compressed/vmlinuz
OBJCOPY = objcopy-cris
OBJCOPYFLAGS = -O binary -R .note -R .comment
compressed/vmlinuz: $(objtree)/vmlinux
@$(MAKE) -f $(src)/compressed/Makefile $(objtree)/vmlinuz
subdir- := compressed rescue
targets := Image
clean:
rm -f zImage tools/build compressed/vmlinux.out
@$(MAKE) -f $(src)/compressed/Makefile clean
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
@echo ' Kernel: $@ is ready'
$(obj)/compressed/vmlinux: $(obj)/Image FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
$(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
$(obj)/zImage: $(obj)/compressed/vmlinux
@cp $< $@
@echo ' Kernel: $@ is ready'
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