| Commit message (Collapse) | Author | Age |
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There is a lot of common code that could be shared between the m68k
and m68knommu arch branches. It makes sense to merge the two branches
into a single directory structure so that we can more easily share
that common code.
This is a brute force merge, based on a script from Stephen King
<sfking@fdwdc.com>, which was originally written by Arnd Bergmann
<arnd@arndb.de>.
> The script was inspired by the script Sam Ravnborg used to merge the
> includes from m68knommu. For those files common to both arches but
> differing in content, the m68k version of the file is renamed to
> <file>_mm.<ext> and the m68knommu version of the file is moved into the
> corresponding m68k directory and renamed <file>_no.<ext> and a small
> wrapper file <file>.<ext> is used to select between the two version. Files
> that are common to both but don't differ are removed from the m68knommu
> tree and files and directories that are unique to the m68knommu tree are
> moved to the m68k tree. Finally, the arch/m68knommu tree is removed.
>
> To select between the the versions of the files, the wrapper uses
>
> #ifdef CONFIG_MMU
> #include <file>_mm.<ext>
> #else
> #include <file>_no.<ext>
> #endif
On top of this file merge I have done a simplistic merge of m68k and
m68knommu Kconfig, which primarily attempts to keep existing options and
menus in place. Other than a handful of options being moved it produces
identical .config outputs on m68k and m68knommu targets I tested it on.
With this in place there is now quite a bit of scope for merge cleanups
in future patches.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Introduce little-endian bit operations by renaming native ext2 bit
operations. The ext2 bit operations are kept as wrapper macros using
little-endian bit operations to maintain bisectability until the
conversions are finished.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This introduces CONFIG_GENERIC_FIND_BIT_LE to tell whether to use generic
implementation of find_*_bit_le() in lib/find_next_bit.c or not.
For now we select CONFIG_GENERIC_FIND_BIT_LE for all architectures which
enable CONFIG_GENERIC_FIND_NEXT_BIT.
But m68knommu wants to define own faster find_next_zero_bit_le() and
continues using generic find_next_{,zero_}bit().
(CONFIG_GENERIC_FIND_NEXT_BIT and !CONFIG_GENERIC_FIND_BIT_LE)
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (41 commits)
m68knommu: external interrupt support to ColdFire intc-simr controller
m68knommu: external interrupt support to ColdFire intc-2 controller
m68knommu: remove ColdFire CLOCK_DIV config option
m68knommu: fix gpio warnings for ColdFire 5407 targets
m68knommu: fix gpio warnings for ColdFire 532x targets
m68knommu: fix gpio warnings for ColdFire 5307 targets
m68knommu: fix gpio warnings for ColdFire 527x targets
m68knommu: fix gpio warnings for ColdFire 5272 targets
m68knommu: fix gpio warnings for ColdFire 5249 targets
m68knommu: fix gpio warnings for ColdFire 523x targets
m68knommu: fix gpio warnings for ColdFire 520x targets
m68knommu: fix gpio warnings for ColdFire 5206e targets
m68knommu: fix gpio warnings for ColdFire 5206 targets
m68knommu: fixing compiler warnings
m68knommu: limit interrupts supported by ColdFire intc-simr driver
m68knommu: move some init code out of unmask routine for ColdFire intc-2
m68knommu: limit interrupts supported by ColdFire intc-2 driver
m68knommu: add basic support for the ColdFire based FireBee board
m68knommu: make ColdFire internal peripheral region configurable
m68knommu: clean up definitions of ColdFire peripheral base registers
...
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The EDGE Port module of some ColdFire parts using the intc-simr interrupt
controller provides support for 7 external interrupts. These interrupts
go off-chip (that is they are not for internal peripherals). They need
some special handling and have some extra setup registers. Add code to
support them.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The EDGE Port module of some ColdFire parts using the intc-2 interrupt
controller provides support for 7 external interrupts. These interrupts
go off-chip (that is they are not for internal peripherals). They need
some special handling and have some extra setup registers. Add code to
support them.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The reality is that you do not need the abiltity to configure the
clock divider for ColdFire CPUs. It is a fixed ratio on any given
ColdFire family member. It is not the same for all ColdFire parts,
but it is always the same in a model range. So hard define the divider
for each supported ColdFire CPU type and remove the Kconfig option.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5407/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5407/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5407/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/532x/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:51:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:52:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:53:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/532x/gpio.c:54:3: warning: initialisation makes pointer from integer without a cast
...
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5307/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5307/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5307/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/527x/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/527x/gpio.c:38:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/527x/gpio.c:39:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/527x/gpio.c:53:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/527x/gpio.c:54:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/527x/gpio.c:55:3: warning: initialisation makes pointer from integer without a cast
...
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5272/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:51:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:52:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:53:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:67:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:68:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5272/gpio.c:69:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5249/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5249/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5249/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5249/gpio.c:51:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5249/gpio.c:52:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5249/gpio.c:53:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/523x/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/523x/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/523x/gpio.c:38:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/523x/gpio.c:52:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/523x/gpio.c:53:3: warning: initialisation makes pointer from integer without a cast
...
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
rch/m68knommu/platform/520x/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/520x/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/520x/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/520x/gpio.c:51:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/520x/gpio.c:52:3: warning: initialisation makes pointer from integer without a cast
...
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5206e/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast CC kernel/panic.o
arch/m68knommu/platform/5206e/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5206e/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix these compiler warnings:
arch/m68knommu/platform/5206/gpio.c:35:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5206/gpio.c:36:3: warning: initialisation makes pointer from integer without a cast
arch/m68knommu/platform/5206/gpio.c:37:3: warning: initialisation makes pointer from integer without a cast
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Alexander Kurz <linux@kbdbabel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The intc-simr interrupt controller on some ColdFire CPUs has a set range of
interrupts its supports (64 through 128 or 192 depending on model). We
shouldn't be setting this handler for every possible interrupt from 0 to
255. Set more appropriate limits, and this means we can drop the interrupt
number check in the mask and unmask routines.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Use a proper irq_startup() routine to intialize the interrupt priority
and level register in the ColdFire intc-2 controller code. We shouldn't
be checking if the priority/level has been set on every unmask operation.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The intc-2 interrupt controller on some ColdFire CPUs has a set range of
interrupts its supports (64 through 128 or 192 depending on model). We
shouldn't be setting this handler for every possible interrupt from 0 to
255. Set more appropriate limits, and this means we can drop the interrupt
number check in the mask and unmask routines.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The FireBee is a ColdFire 5475 based board. Add a configuration option
to support it, and the basic platform flash layout code.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Most ColdFire CPUs have an internal peripheral set that can be mapped at
a user selectable address. Different ColdFire parts either use an MBAR
register of an IPSBAR register to map the peripheral region. Most boards
use the Freescale default mappings - but not all.
Make the setting of the MBAR or IPSBAR register configurable. And only make
the selection available on the appropriate ColdFire CPU types.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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In some of the RAM size autodetection code on ColdFire CPU startup
we reference DRAM registers relative to the MBAR register. Not all of
the supported ColdFire CPUs have an MBAR, and currently this works
because we fake an MBAR address on those registers. In an effort to
clean this up, and eventually remove the fake MBAR setting make the
DRAM register address definitions actually contain the MBAR (or IPSBAR
as appropriate) value as required.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Not all ColdFire CPUs that use the old style timer hardware module use
an MBAR set peripheral region. Move the TIMER base address defines to the
per-CPU header files where we can set it correctly based on how the
peripherals are mapped - instead of using a fake MBAR for some platforms.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The base addresses of the ColdFire DMA unit registers belong with
all the other address definitions in the per-cpu headers. The current
definitions assume they are relative to an MBAR register. Not all
ColdFire CPUs have an MBAR register. A clean address define can only
be acheived in the per-cpu headers along with all the other chips
peripheral base addresses.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 528x family of CPUs does not have an MBAR register, so don't
define its peripheral addresses relative to one. Its internal peripherals
are relative to the IPSBAR register, so make sure to use that.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 527x family of CPUs does not have an MBAR register, so don't
define its peripheral addresses relative to one. Its internal peripherals
are relative to the IPSBAR register, so make sure to use that.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 523x family of CPUs does not have an MBAR register, so don't
define its peripheral addresses relative to one. Its internal peripherals
are relative to the IPSBAR register, so make sure to use that.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 5207 and 5208 CPUs have fixed peripheral addresses.
They do not use the setable peripheral address registers like the MBAR
and IPSBAR used on many other ColdFire parts. Don't use fake values
of MBAR and IPSBAR when using peripheral addresses for them, there
is no need to.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The PIT hardware timer module used in some ColdFire CPU's is not always
addressed relative to an IPSBAR register. Parts like the ColdFire 5207 and
5208 have fixed peripheral addresses. So lets not define the register
addresses of the PIT relative to an IPSBAR definition. Move the base
address definitions into the per-part headers. This is a lot more consistent
since all the other peripheral base addresses are defined in the per-part
header files already.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The ColdFire 54xx family shares the same interrupt controller used
on the 523x, 527x and 528x ColdFire parts, but it isn't offset
relative to the IPSBAR register. The 54xx doesn't have an IPSBAR
register.
By including the base address of the peripheral registers in the register
definitions (MCFICM_INTC0 and MCFICM_INTC1 in this case) we can avoid
having to define a fake IPSBAR for the 54xx. And this makes the register
address definitions of these more consistent, the majority of the other
register address defines include the peripheral base address already.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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All chips converted and proper accessor functions used.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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/me idly wonders what sets the handlers for this chip.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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That handler lacks the minimal checks for action being zero etc. Keep
the weird flow - ack before handling - intact and call into
handle_simple_irq which does the right thing.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
LKML-Reference: <20110202212552.413849952@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (62 commits)
posix-clocks: Check write permissions in posix syscalls
hrtimer: Remove empty hrtimer_init_hres_timer()
hrtimer: Update hrtimer->state documentation
hrtimer: Update base[CLOCK_BOOTTIME].offset correctly
timers: Export CLOCK_BOOTTIME via the posix timers interface
timers: Add CLOCK_BOOTTIME hrtimer base
time: Extend get_xtime_and_monotonic_offset() to also return sleep
time: Introduce get_monotonic_boottime and ktime_get_boottime
hrtimers: extend hrtimer base code to handle more then 2 clockids
ntp: Remove redundant and incorrect parameter check
mn10300: Switch do_timer() to xtimer_update()
posix clocks: Introduce dynamic clocks
posix-timers: Cleanup namespace
posix-timers: Add support for fd based clocks
x86: Add clock_adjtime for x86
posix-timers: Introduce a syscall for clock tuning.
time: Splitout compat timex accessors
ntp: Add ADJ_SETOFFSET mode bit
time: Introduce timekeeping_inject_offset
posix-timer: Update comment
...
Fix up new system-call-related conflicts in
arch/x86/ia32/ia32entry.S
arch/x86/include/asm/unistd_32.h
arch/x86/include/asm/unistd_64.h
arch/x86/kernel/syscall_table_32.S
(name_to_handle_at()/open_by_handle_at() vs clock_adjtime()), and some
due to movement of get_jiffies_64() in:
kernel/time.c
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xtime_update() properly takes the xtime_lock
Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: hch@infradead.org
Cc: yong.zhang0@gmail.com
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Ungerer <gerg@uclinux.org>
LKML-Reference: <20110127150006.23248.71790.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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The secondary interrupt controller of the ColdFire 5249 code is not
setting the edge triggered flow handler. Set it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The m68knommu arch does not define or use IRQ_FLG_LOCK in its irq
subsystem. Remove obsolete use of it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Add missing linker section __modver to fix:
LD vmlinux
/usr/local/bin/../m68k-uclinux/bin/ld.real: error: no memory region specified for loadable section `__modver'
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Compiling for 68360 targets gives:
CC arch/m68knommu/platform/68360/ints.o
arch/m68knommu/platform/68360/ints.c: In function ‘init_IRQ’:
arch/m68knommu/platform/68360/ints.c:135:16: error: ‘irq’ undeclared (first use in this function)
arch/m68knommu/platform/68360/ints.c:135:16: note: each undeclared identifier is reported only once for each function it appears in
Fix variable name used.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Add an m68k/coldfire optimized memmove() function for the m68knommu arch.
This is the same function as used by m68k. Simple speed tests show this
is faster once buffers are larger than 4 bytes, and significantly faster
on much larger buffers (4 times faster above about 100 bytes).
This also goes part of the way to fixing a regression caused by commit
ea61bc461d09e8d331a307916530aaae808c72a2 ("m68k/m68knommu: merge MMU and
non-MMU string.h"), which breaks non-coldfire non-mmu builds (which is
the 68x328 and 68360 families). They currently have no memmove() fucntion
defined, since there was none in the m68knommu/lib functions.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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The _TIF_WORK_MASK definition was removed in the clean up of MMU and
non-MMU arch/m68k/include/asm/thread_info*.h files (this was commit
cddafa3500fde4a07e5bf899ec97a04069f8f7ce, "merge MMU and non-MMU
thread_info.h").
It didn't get cleaned out of the entry.S code for the 68328 and 68360
based platforms. And it was replaced by a hard coded constant mask for
coldfire platforms. There is currently no need to mask any of these bits,
so fix all uses (and former uses) to check for any non-zero value.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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