Nelson Elhage [Fri, 31 Jul 2009 20:58:18 +0000 (16:58 -0400)]
MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE.
Now that PAGE_SIZE is available to assembly directly, there is no need
to separately expose it as _PAGE_SIZE through asm-offsets.
In addition, remove _PAGE_SHIFT from asm-offsets, since it was never
needed, and is not used anywhere.
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Christoph Hellwig [Tue, 4 Aug 2009 14:54:04 +0000 (16:54 +0200)]
MIPS: Convert to asm-generic/hardirq.h
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Florian Fainelli [Wed, 15 Jul 2009 10:09:34 +0000 (12:09 +0200)]
MIPS: AR7: Make board code register ar7_wdt as a platform device
This patch makes the board code register the ar7_wdt driver as a platform
device. We move the dynamic resource calculation here since the driver
should not be aware of the AR7 SoC version it is running on.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:28:04 +0000 (23:28 +0800)]
MIPS: Loongson: Update the default config file for fuloong2e
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:27:41 +0000 (23:27 +0800)]
MIPS: Loongson: Add GCC 4.4 support for Loongson2E
Because only gcc >=4.4 have loongson-specific support, we need to choose
the suitable -march argument for gcc <= 4.3 and gcc >= 4.4, and here, we
use -march=loongson2e for loongson2e.
Thanks goes to Arnaud Patard <apatard@mandriva.com> for suggestion of
using cc-options(Documentation/kbuild/makefiles.txt). and thanks Zhang
Le for introducing the new CPU_LOONGSON2E kernel option.
NOTE: -mtune option is not need if -march and -mtune use the same value.
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:27:12 +0000 (23:27 +0800)]
MIPS: Loongson: Add a machtype kernel command line argument
The difference between some loongson-based machines is very small, so, if
there is no necessary to add new kernel config options to cope with this
difference, it will be better to share the same kernel image file between
them, benefit from this, the linux distribution developers only have a need
to compile the kernel one time.
This machtype kernel command line argument will be used later to share the
same kernel image file between two different machines(menglong & yeeloong)
made by lemote.
Thanks very much to Zhang Le for cleaning up the machtype implementation.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:26:45 +0000 (23:26 +0800)]
MIPS: Loongson: Split common loongson source code out
To share common loongson source code between all of the loongson-based
machines. there is a need to split it out of the fuloong-2e/ directory.
at the same time, other according tuning is needed. the machine-specific
parts are defined as macros in relative header file, pci.h, mem.h,
machine.h.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:26:08 +0000 (23:26 +0800)]
MIPS: Loongson: Change naming methods
To make source code of loongson sharable to the machines(such as gdium)
made by the other companies, we rename arch/mips/lemote to
arch/mips/loongson, asm/mach-lemote to asm/mach-loongson, and rename lm2e
to the name of the machine: fuloong-2e. accordingly, FULONG are renamed to
FULOONG2E to make it distinguishable to the future FULOONG2F. and also,
some other relative tuning is needed.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:25:46 +0000 (23:25 +0800)]
MIPS: Loongson: Add oprofile support
This kernel support is needed by the user-space tool:oprofile to profile
linux kernel or applications via loongson2 performance counters. you can
enable this driver via CONFIG_OPROFILE = y or m.
On Loongson2 there are two performance counters, each one can count 16
events respectively. when anyone of the performance counter overflows, an
interrupt will be generated and is routed to the IRQ MIPS_CPU_IRQ_BASE + 6.
Signed-off-by: Yanhua <yanh@lemote.com>
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:24:01 +0000 (23:24 +0800)]
MIPS: Loongson: RTC: Enable legacy RTC driver on fulong
RTC_LIB is selected by MIPS by default, and therefore, the legacy RTC
driver is disabled. but fortunately, RTC_LIB not works on fulong, so,
enabling the legcy RTC driver is needed, otherwise, the tools like
hwclock will not work.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:23:30 +0000 (23:23 +0800)]
MIPS: Loongson: PCI: Clean up pcimap setup
Fixup the wrong original comment of pcimap, and make the source code more
understandable. and also, some new extra consideration is added in.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:23:03 +0000 (23:23 +0800)]
MIPS: Loongson: clean up the coding style
With the help of script/checkpatch.pl, i have cleaned up the coding
style.
1. remove un-needed header files and tune some comments.
2. remove some un-needed { }
add a new header file loongson.h:
3. move some common header files to loongson.h
4. move some common extern declartions to loongson.h
and this new header file is needed for future loongson2f support.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:22:36 +0000 (23:22 +0800)]
MIPS: Loongson: Split the implementation of prom and setup parts
This patch split the old initilization and setup implementation to
several file, one file one logic function.
the other main changes include:
1. as the script/checkpatch.pl suggests, use strict_strtol instead
of simple_strtol in arch/mips/lemote/lm2e/cmdline.c
2. use the existed macros in asm/mips-boards/bonito64.h as the
arguments of set_io_port_base() and remove the un-needed ones in
asm/mach-lemote/pci.h
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:22:11 +0000 (23:22 +0800)]
MIPS: Loongson: PCI: use existing mips_io_port_base
mips_io_port_base is initialized via set_io_port_base() in
arch/mips/lemote/lm2e/setup.c, we can use it directly here.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:21:27 +0000 (23:21 +0800)]
MIPS: Loongson: pm: clean up the reboot support
Several magic numbers have been replaced by relative macros, which will be
more readable and understandable.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:20:56 +0000 (23:20 +0800)]
MIPS: Loongson: pm: Remove redundant source code
The implmentation of loongson2e_power_off and loongson2e_halt is almostly
the same, just preserve one of them.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:20:20 +0000 (23:20 +0800)]
MIPS: Loongson: Add new early_printk implmentation
This patch is based on the implementation in the lm2e-fixes branch of
Philippe's git://git.linux-cisco.org/linux-mips.git and the
malta-specific early_printk implementation.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:19:33 +0000 (23:19 +0800)]
MIPS: Loongson: Remove out-of-date board-specific kgdb source code
Since the re-implementation of kgdb by commit
8854700115ecf8aa6f087aa915b7b6cf18090d39 the platform-specific version
has become superfluous, remove it.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wu Zhangjin [Thu, 2 Jul 2009 15:18:09 +0000 (23:18 +0800)]
MIPS: Loongson: Remove existing early_printk implementation
Removes the existing implementation of early_printk for fulong. The old
implementation was based on the outdated board-specific dbg_io.c.
Since commit
8d60a903d986ffa26c41f0092320a3b9da20bfaf dbg_io.c is not longer
needed; it will be removed by the next patch, and a new implementation of
early_printk will be added later.
Signed-off-by: Wu Zhangjin <wuzj@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 21:04:59 +0000 (23:04 +0200)]
MIPS: IP22, IP28: Build with -Werror
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 20:58:23 +0000 (22:58 +0200)]
MIPS: FW: Build with -Werror
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 13:00:02 +0000 (15:00 +0200)]
MIPS: Fulong: Convert reset initialization to initcall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 12:50:39 +0000 (14:50 +0200)]
MIPS: Malta: Convert reset initialization to initcall.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 15 Sep 2009 11:36:13 +0000 (13:36 +0200)]
MIPS: Get rid of duplicate cpu_idle() prototype.
Since 2.6.11-rc1 there is a prototype in <linux/smp.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Julia Lawall [Sun, 13 Sep 2009 19:15:18 +0000 (21:15 +0200)]
MIPS: TXx9: Fix error handling.
Error handling code following a kzalloc should free the allocated data.
Error handling code following an ioremap should iounmap the allocated data.
The semantic match that finds the first problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,f1,l;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
(
x->f1 = E
|
(x->f1 == NULL || ...)
|
f(...,x->f1,...)
)
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Fri, 4 Sep 2009 13:09:04 +0000 (22:09 +0900)]
MIPS: TXx9: Disable PM capability of TX493[89] internal ether
Some TC35815 variants (i.e. TX493[89] internal ether) report existance of
PM registers though they are not supported. Disable PM features by
clearing pdev->pm_cap.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Nelson Elhage [Fri, 31 Jul 2009 20:58:17 +0000 (16:58 -0400)]
MIPS: make page.h constants available to assembly.
page.h includes ifndef __ASSEMBLY__ guards, but PAGE_SIZE and some other
constants are defined using "1UL", which the assembler does not support.
Use the _AC macro from const.h to make them available to assembly (and
linker scripts).
Signed-off-by: Nelson Elhage <nelhage@ksplice.com>
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Manuel Lauss [Fri, 28 Aug 2009 09:26:58 +0000 (11:26 +0200)]
MIPS: Alchemy: add gpio_request/gpio_free stubs for CONFIG_GPIOLIB=n
Some drivers use gpio_request/gpio_free regardless of whether
gpiolib is actually built; add stubs to work around the ensuing
compile failures.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Alexey Dobriyan [Wed, 12 Aug 2009 19:59:27 +0000 (23:59 +0400)]
MIPS: Lasat: Fix compilation
Header needed for current_cpu_data which expands to smp_processor_id().
However, linux/smp.h can't be included into asm/cpu-info.h due to horrible
circular dependencies, so plug it here.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Daney [Thu, 20 Aug 2009 19:35:53 +0000 (12:35 -0700)]
MIPS: Octeon: Check all CCAs in cvmx_write_csr.
The current code only checks CCA of 0 when deciding if a dummy read is
needed. Since the kernel can (and does) use other CCAs we need to
mask out the CCA bits from the address. Since the address constant
now fits in 16 bits, there is an added benefit that smaller code is
generated.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Roel Kluin [Wed, 26 Aug 2009 12:48:35 +0000 (14:48 +0200)]
MIPS: Octeon: False positive timeout
If we reach the test just below the loop with a `timeout' value of 0,
this does not mean that the timeout caused the loop to end, but rather
the `smi_rd.s.pending', in the last iteration. If timeout caused the
loop to end, then `timeout' is -1, not 0.
Since this can occur only in the last iteration, it is not very likely
to be a problem. By changing the post- to prefix decrement we ensure
that a timeout of 0 does mean it timed out.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Fri, 28 Aug 2009 11:29:58 +0000 (12:29 +0100)]
MIPS: Fix potencial build error in <asm/delay.h>
<asm/delay.h> will break if HZ isn't defined. In 2.6.26 and later we're
usually lucky ...
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Linus Torvalds [Thu, 17 Sep 2009 16:54:37 +0000 (09:54 -0700)]
Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
* 'for-linus' of git://oss.sgi.com/xfs/xfs: (39 commits)
xfs: includecheck fix for fs/xfs/xfs_iops.c
xfs: switch to seq_file
xfs: Record new maintainer information
xfs: use correct log reservation when handling ENOSPC in xfs_create
xfs: xfs_showargs() reports group *and* project quotas enabled
xfs: un-static xfs_inobt_lookup
xfs: actually enable the swapext compat handler
xfs: simplify xfs_trans_iget
xfs: merge fsync and O_SYNC handling
xfs: speed up free inode search
xfs: rationalize xfs_inobt_lookup*
xfs: untangle xfs_dialloc
xfs: factor out debug checks from xfs_dialloc and xfs_difree
xfs: improve xfs_inobt_update prototype
xfs: improve xfs_inobt_get_rec prototype
xfs: factor out inode initialisation
fs/xfs: Correct redundant test
xfs: remove XFS_INO64_OFFSET
un-static xfs_read_agf
xfs: add more statics & drop some unused functions
...
Linus Torvalds [Thu, 17 Sep 2009 16:53:04 +0000 (09:53 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (75 commits)
Blackfin: update ftrace for latest toolchain
Blackfin: fix elf_fpregset_t definition
Blackfin: unify cache init functions
Blackfin: swap clocksource ratings for gptimer/cycles
Blackfin: update ftrace_push_return_trace() breakage
Blackfin: update cm board resources
Blackfin: cm-bf537u: split board from cm-bf537e
Blackfin: bf538-ezkit: add SPI IRQ resources
Blackfin: increase default async timings for parallel flashes
Blackfin: add ICPLB coverage for async banks
Blackfin: use KERN_ALERT in all kgdb_test output
Blackfin: fix BF54x SPI CS resources
Blackfin: fix typo in isram_write()
Blackfin: bf537-stamp: add adp5588 gpio resources
Blackfin: add some isram-driver self tests
Blackfin: workaround anomaly
05000283
Blackfin: fix spelling in a few comments
Blackfin: use raw_smp_processor_id() in exception code
Blackfin: remove useless duplicated assignment in gpio code
Blackfin: Fix link errors with binutils 2.19 and GCC 4.3
...
Linus Torvalds [Thu, 17 Sep 2009 16:52:43 +0000 (09:52 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
m68knommu: Make PAGE_SIZE available to assembly files.
m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
m68knommu: set multi-function pins for ethernet when enabled
m68knommu: remove special interrupt handling code for ne2k support
m68knommu: relax IO_SPACE_LIMIT setting
m68knommu: remove ColdFire direct interrupt register access
m68knommu: create a speciailized ColdFire 5272 interrupt controller
m68knommu: add support for second interrupt controller of ColdFire 5249
m68knommu: clean up old ColdFire timer irq setup
m68knommu: map ColdFire interrupts to correct masking bits
m68knommu: clean up ColdFire 532x CPU timer setup
m68knommu: simplify ColdFire "timers" clock initialization
m68knommu: support code to mask external interrupts on old ColdFire CPU's
m68knommu: merge old ColdFire interrupt controller masking macros
m68knommu: remove duplicate ColdFire mcf_autovector() code
m68knommu: move ColdFire INTC definitions to new include file
m68knommu: mask off all interrupts in ColdFire intc-simr controller
m68knommu: remove timer device interrupt setup for ColdFire 532x
m68knommu: remove interrupt masking from ColdFire pit timer
m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
...
Linus Torvalds [Thu, 17 Sep 2009 16:47:35 +0000 (09:47 -0700)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/jdelvare/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: (lm85) Don't bind to Winbond/Nuvoton WPCD377I
hwmon: (pcf8591) Documentation clean-ups
hwmon: Clearly mark ACPI drivers as such
hwmon: Use resource_size
hwmon: Include <linux/io.h> instead of <asm/io.h>
hwmon: (tmp421) Add documentation
hwmon: Add driver for Texas Instruments TMP421/422/423 sensor chips
hwmon-vid: Ignore 6th VID pin of AMD family 0Fh processors
hwmon: (asus_atk0110) Add maintainer information
hwmon: (abituguru3) Support multiple DMI strings per chip ID
Linus Torvalds [Thu, 17 Sep 2009 16:44:09 +0000 (09:44 -0700)]
Merge branch 'for-upstream' of git://git./linux/kernel/git/dvrabel/uwb
* 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb:
uwb: avoid radio controller reset loops
uwb: stop uwbd thread if rc->start() fails
uwb: handle radio controller events with out-of-range IDs correctly
Yi Li [Tue, 15 Sep 2009 09:24:31 +0000 (09:24 +0000)]
Blackfin: update ftrace for latest toolchain
The mcount support that was finally added to the Blackfin gcc port isn't
exactly the same as what ftrace was developed against. Now that the final
gcc version is in place, update the ftrace code to match.
While updating this, fix the swapped arguments to the tracer (signature is
(ip, parent_ip) while we were passing (parent_ip, ip)).
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Mon, 14 Sep 2009 21:22:06 +0000 (21:22 +0000)]
Blackfin: fix elf_fpregset_t definition
The elf_fpregset_t type relied on an empty struct in the asm/user.h, but
the transition to asm-generic/user.h dropped that empty struct. Rather
than restore this useless struct, define the only user (elf_fpregset_t)
as an empty struct itself. This fixes building when ELF dump support is
enabled.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Mon, 14 Sep 2009 19:42:26 +0000 (19:42 +0000)]
Blackfin: unify cache init functions
The CPLB implementations (mpu/nompu) had exact copies of the cacheinit
code. Even the i/d cache functions are largely the same. So unify them
both in the common kernel cache code.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Graf Yang [Mon, 14 Sep 2009 04:41:00 +0000 (04:41 +0000)]
Blackfin: swap clocksource ratings for gptimer/cycles
The cycles clocksource is a higher resolution than the gptimer one, so
make sure the ratings field reflects this.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Mon, 14 Sep 2009 01:50:22 +0000 (01:50 +0000)]
Blackfin: update ftrace_push_return_trace() breakage
Commit
71e308a239c updated ftrace_push_return_trace() prototype but didn't
update the Blackfin ftrace code, so things broke. Since we don't support
the new stuff yet, call it with stub values.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Harald Krapfenbauer [Thu, 10 Sep 2009 15:30:03 +0000 (15:30 +0000)]
Blackfin: update cm board resources
Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Harald Krapfenbauer [Thu, 10 Sep 2009 15:12:08 +0000 (15:12 +0000)]
Blackfin: cm-bf537u: split board from cm-bf537e
The cm-bf537u module, while similar to the cm-bf537e, is different enough
to warrant its own resources. It has a USB controller but no PHY.
Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Thu, 10 Sep 2009 04:32:47 +0000 (04:32 +0000)]
Blackfin: bf538-ezkit: add SPI IRQ resources
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Sonic Zhang [Mon, 7 Sep 2009 03:20:48 +0000 (03:20 +0000)]
Blackfin: increase default async timings for parallel flashes
The default async timings are a little too fast for the parallel flash
that is attached by default to the async banks. So slow things down a bit
so accessing the hardware is stable.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Bernd Schmidt [Wed, 2 Sep 2009 08:14:05 +0000 (08:14 +0000)]
Blackfin: add ICPLB coverage for async banks
When doing XIP, we need to execute out of the async banks, so we need
ICPLBs to allow this.
Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mingquan Pan [Mon, 31 Aug 2009 04:56:06 +0000 (04:56 +0000)]
Blackfin: use KERN_ALERT in all kgdb_test output
Most messages are already using KERN_ALERT, so be consistent to make
things easier to check with test scripts.
Signed-off-by: Mingquan Pan <grace.pan@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Sun, 30 Aug 2009 20:45:50 +0000 (20:45 +0000)]
Blackfin: fix BF54x SPI CS resources
The BF54x has three slave select signals for SPI0/SPI1, not eight.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Thu, 27 Aug 2009 14:39:31 +0000 (14:39 +0000)]
Blackfin: fix typo in isram_write()
The DTEST write bit is 2, not 1. Improve comments in the related macro
while we're here.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Michael Hennerich [Thu, 27 Aug 2009 04:09:32 +0000 (04:09 +0000)]
Blackfin: bf537-stamp: add adp5588 gpio resources
For the adp5588 GPIO daughter card.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Thu, 27 Aug 2009 01:46:48 +0000 (01:46 +0000)]
Blackfin: add some isram-driver self tests
Make it easy to figure out if code changes here are correct.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Wed, 26 Aug 2009 15:54:10 +0000 (15:54 +0000)]
Blackfin: workaround anomaly
05000283
Make sure our interrupt entry code with exact hardware errors handles
anomaly
05000283 (infinite stall in system MMR kill) so we don't stall
while under load.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Michael Hennerich [Fri, 21 Aug 2009 03:49:19 +0000 (03:49 +0000)]
Blackfin: fix spelling in a few comments
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Thu, 20 Aug 2009 04:17:47 +0000 (04:17 +0000)]
Blackfin: use raw_smp_processor_id() in exception code
When preempt debugging is enabled, smp_processor_id() may utilize the
"current" structure. This may not be safe to access under all exceptions
due to it being in dynamically allocated memory. So in exception code,
make sure we use raw_smp_processor_id() instead to get at the real value
directly.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Michael Hennerich [Wed, 19 Aug 2009 03:15:56 +0000 (03:15 +0000)]
Blackfin: remove useless duplicated assignment in gpio code
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Ingo Molnar [Tue, 18 Aug 2009 16:45:25 +0000 (16:45 +0000)]
Blackfin: Fix link errors with binutils 2.19 and GCC 4.3
Not sure whether this has been reported/fixed before.
Today I built a Blackfin tool-chain from scratch for -tip testing,
and it triggers:
arch/blackfin/kernel/vmlinux.lds:1238: undefined section `.data_a_l1' referenced in expression
and:
arch/blackfin/kernel/vmlinux.lds:1238: undefined section `.text_data_l1'
referenced in expression
Now i dont have any way to test this linker script, but it now at
least builds fine after fixing what appears to be typos in those
assert statements.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Graf Yang [Tue, 18 Aug 2009 04:29:33 +0000 (04:29 +0000)]
Blackfin: handle the core timer interrupt with handle_percpu_irq on SMP
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Mon, 17 Aug 2009 19:05:07 +0000 (19:05 +0000)]
Blackfin: optimize fixed code handling for the most common case
The majority of the time we are returning to user space, it is not in the
fixed atomic code region. So rather than branch to a function where we
check the PC and return, do the check inline and branch only when needed.
Also, tweak some of the fixed code handling based on assumptions we are
aware of but cannot be expressed in C.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Thu, 13 Aug 2009 21:07:37 +0000 (21:07 +0000)]
Blackfin: delete '-spi' suffix in ad1836/ad1938 driver name
The ASoC drivers have dropped the redundant "-spi" suffix in the driver
name, so update the board resources accordingly.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Thu, 13 Aug 2009 23:32:11 +0000 (19:32 -0400)]
Blackfin: punt dead cache locking code
No one uses these functions, and some are duplicate of existing C code. So
just punt the whole thing.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Thu, 13 Aug 2009 04:27:31 +0000 (04:27 +0000)]
Blackfin: drop board resources for dead devices (pbx/ad9960)
These hardware devices are dead and the drivers never cleaned up/merged,
so punt the useless board resource info.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Wed, 12 Aug 2009 23:05:35 +0000 (23:05 +0000)]
Blackfin: do not trace the exception handler
Since the exception handler cannot cause exceptions, we cannot trace it
without easily causing double faults and crashing the system.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Tue, 11 Aug 2009 21:27:09 +0000 (21:27 +0000)]
Blackfin: fix BF522/BF523 max VCO mixup
The BF522 and BF523 had their real max VCO values swapped.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Graf Yang [Fri, 7 Aug 2009 03:52:54 +0000 (03:52 +0000)]
Blackfin: SMP port does not yet support cpu frequency scaling
We have an item to get this fixed, but in the mean time, disable selection
via Kconfig dependencies.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Fri, 7 Aug 2009 01:20:58 +0000 (01:20 +0000)]
Blackfin: cleanup sync handling when enabling/disabling cplbs
The handling of updating the [DI]MEM_CONTROL MMRs does not follow proper
sync procedures as laid out in the Blackfin programming manual. So rather
than audit/fix every call location, create helper functions that do the
right things in order to safely update these MMRs. Then convert all call
sites to use these new helper functions.
While we're fixing the code, drop the workaround for anomaly
05000125 as
that anomaly applies to old versions of silicon that we do not support.
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Thu, 6 Aug 2009 21:03:02 +0000 (21:03 +0000)]
Blackfin: bf537-stamp: update ad1836 resources
Update the ad1836 resources for the new ASoC driver.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Wed, 5 Aug 2009 10:02:14 +0000 (10:02 +0000)]
Blackfin: update anomaly lists
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Mon, 3 Aug 2009 04:40:36 +0000 (04:40 +0000)]
Blackfin: bf538-ezkit: add resources for parallel flash
The board has some parallel flash hooked up to the async banks, so add
appropriate physmap resources for it.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Roel Kluin [Sun, 2 Aug 2009 12:26:48 +0000 (14:26 +0200)]
Blackfin: fix read buffer overflow
Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Stefan Pledl [Wed, 29 Jul 2009 08:09:45 +0000 (08:09 +0000)]
Blackfin: bf548-ezkit: fix incorrect LCD size parameters
I think we have to use the physical dimensions [mm] of the display for
.width and .heigth in struct bfin_bf54xfb_mach_info bf54x_lq043_data which
are copied to fbinfo->var.height/.width in bf54x-lq043fb.c.
linux/fb.h describes this values as 'height/weight of picture in mm'
Otherwise QT calcs the wrong dpi value and the displayed fonts are very
small.
Signed-off-by: Stefan Pledl <stefan.pledl@mesutronic.de>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Mon, 27 Jul 2009 06:42:50 +0000 (06:42 +0000)]
Blackfin: cm-bf527/bf537-stamp: fix dm9000 resources
The dm9000 driver expects two IORESOURCE_MEM to get at the device, so make
sure we declare things properly.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Mon, 27 Jul 2009 00:44:25 +0000 (00:44 +0000)]
Blackfin: drop unused MMR defines that only cause bad code to be written
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Michael Hennerich [Fri, 24 Jul 2009 08:48:31 +0000 (08:48 +0000)]
Blackfin: convert boards to use platform data with smc91x
Latest smc91x driver allows you to specify settings in board resources
rather than needing CONFIG_BLACKFIN in the drivers/net/smc91x.h header.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Thu, 23 Jul 2009 04:20:48 +0000 (04:20 +0000)]
Blackfin: bf537-stamp: drop ATA interrupt probe workaround
The interrupt probe workaround doesn't work without hacks to common code,
and the add-on card only needs a simple resistor to fix the problem, so
drop the board-specific hack.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Graf Yang [Wed, 22 Jul 2009 11:56:24 +0000 (11:56 +0000)]
Blackfin: improve double fault debug handling
Since the hardware only provides reporting for the last exception handled,
and the values are valid only when executing the exception handler, we
need to save the context for reporting at a later point. While we do this
for one exception, it doesn't work properly when handling a second one as
the original exception is clobbered by the double fault. So when double
fault debugging is enabled, create a dedicated shadow of these values and
save/restore out of there. Now the crash report properly displays the
first exception as well as the second one.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cliff Cai [Wed, 22 Jul 2009 06:34:55 +0000 (06:34 +0000)]
Blackfin: bf533-stamp: fix typo in SPI frequency for ad1836 codec
One too many zeros means we run way faster than the codec can handle.
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Graf Yang [Tue, 21 Jul 2009 02:26:57 +0000 (02:26 +0000)]
Blackfin: fix MPU handling of invalid memory accesses
The protect_page() function was incorrectly setting up the hardware tables
based on possible access capabilities rather than the actual requested
values. This means we would grant more access to mmap-ed pages than we
should have. Once we fix this, we need to tweak the signal generated by
such accesses to aline ourselves with other ports. This allows the LTP
mmap0{5,6,7} cases to run properly.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Jean Delvare [Sat, 18 Jul 2009 14:54:03 +0000 (16:54 +0200)]
Blackfin: clean up duplicate I2C device type definitions
I2C_BOARD_INFO() already sets .type, no need to set it again.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Fri, 17 Jul 2009 07:04:55 +0000 (07:04 +0000)]
Blackfin: bf537-stamp: update AD714x resources
Push the device table to the board resources as data interpretation can be
changed on a per-board basis.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Sonic Zhang [Thu, 16 Jul 2009 10:36:35 +0000 (10:36 +0000)]
Blackfin: do not try displaying the end of the stack
The end of the stack may not be valid (and that could be OK), so do not
attempt to parse it. If we do, we might use a bad pointer in kernel space
which makes things panic().
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Yi Li [Thu, 16 Jul 2009 10:12:30 +0000 (10:12 +0000)]
Blackfin: bf533-stamp: add resources for mmc_spi card
Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Barry Song [Mon, 13 Jul 2009 04:16:42 +0000 (04:16 +0000)]
Blackfin: bf538: add bfin_clear_PPI_STATUS() helper
Add the bf538 version of bfin_clear_PPI_STATUS() to match all other ports.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Stefan Pledl [Sat, 11 Jul 2009 11:50:42 +0000 (13:50 +0200)]
Blackfin: fix BF548 UART0 DMA IRQ translation
The initial BF54x port included some defines to keep code simple across
different processors, but it just ended up causing the UART0 DMA IRQs to
be set to the UART1 channels.
Signed-off-by: Stefan Pledl <stefan.pledl@mesutronic.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Tue, 7 Jul 2009 20:17:09 +0000 (20:17 +0000)]
Blackfin: catch hardware errors earlier during booting
Allow hardware errors to be caught during early portions of booting, and
leave something in the shadow console that people can use to debug their
system with (to be printed out by the bootloader on next reset).
This enables the hardare error interrupts in head.S, allowing us to find
hardware errors when they happen (well, as much as you can with a hardware
error) and prints out the trace if it is enabled. This will catch errors
(like booting the wrong image on a 533) which previously resulted in a
infinite loop/hang, as well as random hardware errors before before
setup_arch().
To disable this debug only feature - turn off EARLY_PRINTK.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Mon, 6 Jul 2009 14:53:19 +0000 (14:53 +0000)]
Blackfin: add an early shadow console
Add a memory based shadow console to keep a copy of the printk buffer in a
location which can be found externally. This allows bootloaders to locate
and utilize the log buffer in case of silent (early/resume/etc...) crashes.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Fri, 3 Jul 2009 00:17:45 +0000 (00:17 +0000)]
Blackfin: add support for common FDPIC ptrace requests
The FDPIC arches support a standard set of ptrace requests so rather than
define our own custom API, hook up those requests for common code to
leverage.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Wed, 1 Jul 2009 15:42:13 +0000 (15:42 +0000)]
Blackfin: push SRAM locks down into related ifdefs
Rather than defining the locks and initializing them all the time, only do
so when we actually need them (i.e. the SRAM regions exist). This avoids
dead data and code bloat during runtime.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Sonic Zhang [Tue, 30 Jun 2009 09:48:03 +0000 (09:48 +0000)]
Blackfin: unify duplicated SMP checks in L2 cache kconfig
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Michael Hennerich [Tue, 30 Jun 2009 14:57:22 +0000 (14:57 +0000)]
Blackfin: rename PCF8574 driver config
The "TWI_KEYPAD" driver was renamed to "INPUT_PCF8574", so update the
defines in the board resources accordingly.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Fri, 26 Jun 2009 12:52:46 +0000 (12:52 +0000)]
Blackfin: clean up early memory setup code
Remove code duplication, and only print out memory warnings when they are
an actual problem.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Fri, 26 Jun 2009 00:49:51 +0000 (00:49 +0000)]
Blackfin: fix module reloc handling for all memory regions
The current module relocation code has spotty handling wrt different
memory regions (like L1 instruction). Rather than try to fix each
little spot, use the new common memory functions to greatly simplify
everything and make sure it is always correct.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Fri, 26 Jun 2009 00:48:33 +0000 (00:48 +0000)]
Blackfin: cleanup module section checking
The current module section handling code has a lot of verbose statements
copied and pasted throughout which makes it pretty hard to digest at a
glance. By unifying all of these up front, it is a lot easier to quickly
get an idea of what is actually going on.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Fri, 26 Jun 2009 00:37:40 +0000 (00:37 +0000)]
Blackfin: convert malloc()/memset() to zalloc() in module code
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Fri, 26 Jun 2009 00:35:24 +0000 (00:35 +0000)]
Blackfin: cleanup printk() usage in module code
Convert all printk() statements to use the common pr_xxx() funcs and use
the new pr_fmt() function to standardize all of the output.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Robin Getz [Thu, 25 Jun 2009 15:49:38 +0000 (15:49 +0000)]
Blackfin: reject outdated/unused/wrong relocation types
All kernel modules are required to be built with -mlong-calls and thus
should not generate any of these relocations. If they do, it means the
module has not been compiled properly, so rather than trying to handle
them (and running into random run time errors) just error out on module
load to force the module to be compiled correctly.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Thu, 25 Jun 2009 00:02:58 +0000 (20:02 -0400)]
Blackfin: convert ptrace to new memory functions
Now that we have a Blackfin memory function to figure out how to properly
access the different regions, drop the custom memory range checks in our
ptrace code and use that. It makes the code nicer and fixes bugs where
the ptrace logic wasn't handling all the different regions.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Mike Frysinger [Tue, 23 Jun 2009 20:17:21 +0000 (20:17 +0000)]
Blackfin: cleanup traps decode_address() a bit
Unify the address display to shrink the code, and add missing decoding of
a few special Blackfin-specific regions (L1 ROM and MMRs).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Philippe Gerum [Mon, 22 Jun 2009 16:26:22 +0000 (18:26 +0200)]
Blackfin: inline I-pipe bypass code in ret_from_exception
Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Philippe Gerum [Mon, 22 Jun 2009 16:26:07 +0000 (18:26 +0200)]
Blackfin: sanitize manual control of IPEND[4]
Cleanup is performed in two ways:
- remove extraneous updates of IPEND[4] w/ CONFIG_IPIPE,
and document remaining use.
- substitute pop-reg-from-stack instructions with plain SP fixups in
all save-RETI-then-discard patterns.
Signed-off-by: Philippe Gerum <rpm@xenomai.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
projects / platform / kernel / linux-stable.git / log