Add arch/arm/mach-s3c2416 for support of the Samsung S3C2416 SoC.
This patch adds support of the S3C2416 SoC, clocks, timers,
and initial IRQ support (without support of secondary set of registers).
Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
[ben-linux@fluff.org: removed files to be reworked, fixed conflicts]
[ben-linux@fluff.org: use s3c2443 reset instead of specific reset code]
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Add s3c_disable_clocks() and change the clock registration code to use
the s3c_register_clocks() followed by s3c_disable_clocks() instead of
the loops it was using.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
The S3C6400 EPLL code matches the S3C2416 and compatible SoCs, so move
it from mach-s3c64xx into <plat/pll.h> for easy reuse.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Remove the old S3C2410_GPJ as we will be moving to the new gpiolib
based driver code and these numbers will become invalid.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Change s3c2410_gpio_setpin() and s3c2410_gpio_pullup() to use
the new s3c_ gpio configuration calls until all their users
are converted.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Remove the last s3c2410_gpio_pullup() users in arch/arm/mach-s3c2410
Note, since mach-h1940.c is setting output and a pull-up, the call
has vbeen chanerd to S3C_GPIO_PULL_NONE instead of S3C_GPIO_PULL_UP.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Move the mach-mini2440 to using the gpiolib API for GPIOS it
directly uses, and s3c_gpio calls for configuration.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Add the necessary 1,2 and 4 bit configuration read calls for the new
gpio code to allow removal of the old s3c24xx gpio code.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Remove s3c2410_gpio_getirq() as the only users is the pm code, and it
can be replicated by using gpio_to_irq().
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Remove the implementation of s3c2410_gpio_setcfg() as it should now be
functionally equivalent to s3c_gpio_cfgpin(), and add a wrapper for those
drivers that are still using this call.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
The s3c_gpio_cfgpin() call should be functionally equivalent, so replace
the s3c2410_gpio_cfgpin() calls in the s3c24xx code with s3c_gpio_cfgpin
to allow moving away from a fixed GPIO number to register address mapping
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Start moving code that is using the old s3c2410_gpio API to using the
newer s3c_gpio variants by finding all the usages of s3c2410_gpio_pullup()
which disable the pin's pull up and replacing them.
sed 's/s3c2410_gpio_pullup\(.*\), 1/s3c_gpio_cfgpull\1, S3C_GPIO_PULL_NONE/g'
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Start moving code that is using the old s3c2410_gpio API to using the
newer s3c_gpio variants by finding all the usages of s3c2410_gpio_pullup()
which disable the pin's pull up and replacing them.
sed 's/s3c2410_gpio_pullup\(.*\), 1/s3c_gpio_cfgpull\1, S3C_GPIO_PULL_NONE/g'
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Change mach-jive to use gpiolib for the GPIO lines that are directly
manipulated by it.
Note, we ignore any errors from gpio_request(), unlikely to see any.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Add the GPIO banks that are used on the S3C2443 and above to the
list of available GPIOS.
Currently we do not have any limit on the SoC GPIO, so these are
being registered whether the SoC has them or not. It is currently
up to the user not to try and use them.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Add the necessary gpio configuration helper for the devices which
have a single-bit pull-up resistor disabled.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Add support for s3c_gpio_setcfg() and s3c_gpio_setpull() implementations
to get ready for removal of the specific code being used by s3c24xx.
Also rename the s3c_gpio_setcfg_s3c24xx_banka to s3c_gpio_setcfg_s3c24xx_a
as seen in the header file to correct a build warning.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip:
powernow-k8: Fix frequency reporting
x86: Fix parse_reservetop() build failure on certain configs
x86: Fix NULL pointer access in irq_force_complete_move() for Xen guests
x86: Fix 'reservetop=' functionality
The x86_64 call_rwsem_wait() treats the active state counter part of the
R/W semaphore state as being 16-bit when it's actually 32-bit (it's half
of the 64-bit state). It should do "decl %edx" not "decw %dx".
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
With F10, model 10, all valid frequencies are in the ACPI _PST table.
Cc: <stable@kernel.org> # 33.x 32.x
Signed-off-by: Mark Langsdorf <mark.langsdorf@amd.com>
LKML-Reference: <1270065406-1814-6-git-send-email-bp@amd64.org>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Commit e67a807 ("x86: Fix 'reservetop=' functionality") added a
fixup_early_ioremap() call to parse_reservetop() and declared it
in io.h.
But asm/io.h was only included indirectly - and on some configs
not at all, causing a build failure on those configs.
Cc: Liang Li <liang.li@windriver.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Wang Chen <wangchen@cn.fujitsu.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <1272621711-8683-1-git-send-email-liang.li@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Upstream PV guests fail to boot because of a NULL pointer in
irq_force_complete_move(). It is possible that xen guests have
irq_desc->chip_data = NULL.
Test for NULL chip_data pointer before attempting to complete an irq move.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
LKML-Reference: <20100427152434.16193.49104.sendpatchset@prarit.bos.redhat.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org> [2.6.33]
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (27 commits)
MIPS: Loongson 2F: Fix of problems introduced by -mfix-loongson2f-jump
MIPS: Loongson-2F: Use CONFIG_CPU_JUMP_WORKAROUNDS to control workarounds.
MIPS: Loongson 2F: Enable fixups of the latest binutils
MIPS: Loongson: Add CPU_LOONGSON2F_WORKAROUNDS
MIPS: Kconfig: Make Broadcom SoC support naming consistent
MIPS: BCM63xx: Update defconfig
MIPS: oprofile: Fix breakage when CONFIG_OPROFILE=m
STAGING: octeon-ethernet: Use proper phy addresses for Movidis hardware.
NET: mdio-octeon: Enable the hardware before using it.
I2C: Fix section mismatch errors in i2c-octeon.c
MIPS: Loongson: Fix LOONGSON_ADDRWIN_CFG macro.
MIPS: Loongson: Fix phys_mem_access_prot() check
MIPS: Loongson: Fix find_vga_mem_init()
MIPS: Loongson: Fix typo in gdium mach type string.
MIPS: Use CKSEG1ADDR for uncached handler
MIPS: Check for accesses beyond the end of the PGD.
MIPS: Use uasm_i_ds{r,l}l_safe() instead of uasm_i_ds{r,l}l() in tlbex.c
MIPS: Add uasm_i_dsrl_safe() and uasm_i_dsll_safe() to uasm.
MIPS: die() does not call die notifier chain
MIPS: Swarm, Littlesur: Enable PATA platform driver.
...
The -mfix-loongson2f-jump option provided by latest CVS binutils have fixed
the out-of-order issue of Loongson-2F described in chapter 15 of the
Loongson2F User Manual [1, 2], but introduced some problems.
The option changes all of the jump target to "addr & 0xcfffffff" through the
at($1) register, but for the reboot address of Loongson 2F 0xbfc00000 this is
wrong. Avoids the problem via telling the assembler to not use the $at
register.
[1] Loongson2F User Manual (Chinese Version)
http://www.loongson.cn/uploadfile/file/200808211
[2] English Version of Chapter 15:
http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source
Reported-and-tested-by: Liu Shiwei <liushiwei@gmail.com>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1109/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
With the "Fixups of Loongson2F" patch [1] having been applied to binutils
for binutils 2.20.1 we now can use it's time to enable the options provided
by the patch to compile the kernel.
Without these fixups, the system may hang if the erratum is triggered.
For more information on these fixups please refer to the following
references.
[1] "Fixups of Loongson2F" patch for binutils(actually for gas)
http://sourceware.org/ml/binutils/2009-11/msg00387.html
[2] Chapter 15 of "Loongson2F User Manual"(Chinese Version)
http://www.loongson.cn/uploadfile/file/200808211
[3] Chapter 15 of the English version Loongson 2F User Manual
http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source
Signed-off-by: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: Zhang Le <r0bertz@gentoo.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1106/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
As documented in the Loongson 2F User Manual [2, 3], the old Loongson2F
series (2F01 / 2F02) have the NOP & JUMP issues which requires workarounds
in the kernel and binutils. This issue has been rectified in Loongson 2F
series 2F03 so no workarounds needed.
Now that the workarounds [1] adding the the -mfix-loongson2f-nop and
-mfix-loongson2f-jump options have been comitted to the binutils the CVS
repository), we can add the workarounds in the kernel.
The workarounds have no significant side effect on the system but may
decrease performance so we control them through a a new
CPU_LOONGSON2F_WORKAROUNDS config option allowing the users to only enable
it as necessary.
[1] "Fixups of Loongson2F" patch for binutils(actually for gas)
http://sourceware.org/ml/binutils/2009-11/msg00387.html
[2] Chapter 15 of "Loongson2F User Manual"(Chinese Version)
http://www.loongson.cn/uploadfile/file/200808211
[3] English Version of the above chapter 15
http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1105/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
the defconfig was out-of-sync since 2.6.30-rc6, update it with the new
symbols and enable BCM6338, 6345, wireless, b43 driver and LEDs support.
Signed-off-by: Fainelli <ffainelli@freebox.fr>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1081/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
When the oprofile is compiled as a module do_IRQ() is not called in
arch/mips/loongson/lemote-2f/irq.c due to a wrong #ifdef there.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1143/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
There's a typo in the LOONGSON_ADDRWIN_CFG macro. The cpu window mmap
register address should contain the destination parameters not the
source one. This has not been noticed because the code is only using
source = destination.
Signed-off-by: Arnaud Patard <apatard@mandriva.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1162/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The check used to determine if uncached accelerated should be used or not
is wrong. The parenthesis are misplaced and making the test fail.
Signed-off-by: Arnaud Patard <apatard@mandriva.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1161/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
"MIPS: Calculate proper ebase value for 64-bit kernels"
9af43ea080dd5d6c7b34f38261780e5dd43537bc (lmo) rsp.
f6be75d03c (kernel.org) broke some 64-bit
MIPS systems.
Before this we were using XKPHYS/cached as ebase and computed the uncached
xphsys/unchached address for that area. After that commit ebase became a
32-bit compat address and convert does not work anymore. We now should use
CKSEG1 for this. CKSEG1ADDR does just that in 32-bit and 64-bit.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
To: Ralf Baechle <ralf@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/1149/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
For some combinations of PAGE_SIZE and vmbits, it is possible to have
userspace access that are beyond what is covered by the PGD, but within
vmbits. Such an access would cause the TLB refill handler to load garbage
values for PMD and PTE potentially giving userspace access to parts of the
physical address space to which it is not entitled.
In the TLB refill hot path, we add a single dsrl instruction so we can
check if any bits outside of the range covered by the PGD are set. In
the vmalloc side we then separate the bad case from the normal vmalloc
case and call tlb_do_page_fault_0 if warranted. This slows us down a
bit, but has the benefit of yielding deterministic behavior.
[Ralf: Fixed build error for 32-bit kernels.]
[Ralf: Folded lmo commit c8c0e22b2aa3982852b44279638ef37f9aa31b7d into this
commit.]
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1152/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
This makes the code somewhat cleaner while reducing the risk of shift
amount overflows when various page table related options are changed.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1154/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This allows us to clean up the code by not having to explicitly code
checks for shift amounts greater than 32.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/1153/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The MIPS implementation of die() forgets to call notify_die() and thus notifiers
registered via register_die_notifier() are not called. This results in kgdb not
being activated on exceptions.
The only subtlety is that notify_die declares its regs argument w/o const, so
the const had to be removed from mips die() as well.
[Ralf: Fixed build error for SGI IP22 and IP28 platforms.]
Signed-off-by: Yury Polyanskiy <ypolyans@princeton.edu>
Cc: linux-mips@linux-mips.org
Patchworks: http://patchwork.linux-mips.org/patch/1142/
Acked-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
