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2013-02-17MIPS: add irqdomain support for the CPU IRQ controllerGabor Juhos1-0/+6
Add code to load a irq_domain for the MIPS IRQ controller from a devicetree file. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: David Daney <david.daney@cavium.com> Patchwork: http://patchwork.linux-mips.org/patch/4902/
2013-02-17MIPS: ralink: adds support for RT305x SoC familyJohn Crispin1-0/+139
Add support code for rt3050, rt3052, rt3350, rt3352 and rt5350 SOC. The code detects the SoC and registers the clk / pinmux settings. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4896/
2013-02-17MIPS: ralink: adds include filesJohn Crispin2-0/+64
Before we start adding the platform code we add the common include files. Signed-off-by: John Crispin <blogic@openwrt.org> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4893/
2013-02-17MIPS: ath79: simplify MISC IRQ handlingGabor Juhos1-0/+1
The current code uses multiple if statements for demultiplexing the different interrupt sources. Additionally, the MISC interrupt controller has 32 interrupt sources and the current code does not handles all of them. Get rid of the if statements and process all interrupt sources in a loop to fix these issues. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4874/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: ath79: fix GPIO function selection for AR934x SoCsGabor Juhos1-0/+2
GPIO function selection is not working on the AR934x SoCs because the offset of the function selection register is different on those. Add a helper routine which returns the correct register address based on the SoC type, and use that in the 'ath79_gpio_function_*' routines. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4870/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Add new GIC clocksource.Steven J. Hill2-1/+2
Add new clocksource that uses the counter present on the MIPS Global Interrupt Controller. Signed-off-by: Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4681/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: dsp: Simplify the DSP macros.Steven J. Hill1-201/+30
Simplify the DSP macros for vanilla (non-microMIPS) kernels and toolchains that do not support the DSP ASEs. Signed-off-by: Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4687/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: dsp: Support toolchains without DSP ASE and microMIPS.Steven J. Hill1-0/+89
Add macros to support the DSP ASE with microMIPS kernels when the toolchain does not have support. Signed-off-by: Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4686/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: dsp: Add assembler support for DSP ASEs.Steven J. Hill1-17/+36
Newer toolchains support the DSP and DSP Rev2 instructions. This patch performs a check for that support and adds compiler and assembler flags for only the files that need use those instructions. Signed-off-by: Steven J. Hill <sjhill@mips.com> Acked-by: Florian Fainelli <florian@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4752/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Add support for the M14KEc core.Steven J. Hill3-0/+7
Signed-off-by: Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4682/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Clean-ups for MIPS Technologies Inc. generic header file.Steven J. Hill1-21/+7
Clean up standard header text and remove unused #define. Signed-off-by: Steven J. Hill <sjhill@mips.com> Patchwork: http://patchwork.linux-mips.org/patch/4703/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Netlogic: No hazards needed for XLR/XLSJayachandran C1-1/+1
TLB and COP0 hazards are handled in hardware for Netlogic XLR/XLS SoCs. Update hazards.h to pick more optimal set of definitions when compiling for XLR/XLS. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4788/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Netlogic: Use PIC timer as a clocksourceJayachandran C2-5/+55
The XLR/XLS/XLP PIC has a 8 countdown timers which run at the PIC frequencey. One of these can be used as a clocksource to provide timestamps that is common across cores. This can be used in place of the count/compare clocksource which is per-CPU. On XLR/XLS PIC registers are 32-bit, so we just use the lower 32-bits of the PIC counter. On XLP, the whole 64-bit can be used. Provide common macros and functions for PIC timer registers on XLR/XLS and XLP, and use them to register a PIC clocksource. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4786/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Netlogic: Split XLP L1 i-cache among threadsJayachandran C1-0/+2
Since we now use r4k cache code for Netlogic XLP, it is better to split L1 icache among the active threads, so that threads won't step on each other while flushing icache. The L1 dcache is already split among the threads in the core. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4787/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: Netlogic: Optimize EIMR/EIRR accesses in 32-bitJayachandran C1-0/+79
Provide functions ack_c0_eirr(), set_c0_eimr(), clear_c0_eimr() and read_c0_eirr_and_eimr() that do the EIMR and EIRR operations and update the interrupt handling code to use these functions. Also, use the EIMR register functions to mask interrupts in the irq code. The 64-bit interrupt request and mask registers (EIRR and EIMR) are accessed when the interrupts are off, and the common operations are to set or clear a bit in these registers. Using the 64-bit c0 access functions for these operations is not optimal in 32-bit, because it will disable/restore interrupts and split/join the 64-bit value during each register access. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Patchwork: http://patchwork.linux-mips.org/patch/4790/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-17MIPS: lantiq: rework external irq codeJohn Crispin1-0/+1
This code makes the irqs used by the EIU loadable from the DT. Additionally we add a helper that allows the pinctrl layer to map external irqs to real irq numbers. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4818/
2013-02-17MIPS: lantiq: adds static clock for PP32John Crispin1-0/+1
The Lantiq DSL SoCs have an internal networking processor. Add code to read the static clock rate. Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4815/
2013-02-15MIPS: Cleanup break and trap codes.Ralf Baechle1-8/+0
Very ancient out-of-tree KDB versions were using BRK_KDB code but it's unused in modern kernels since a long time. Delete it. The microMIPS encoding only reserves 4 bits for a trap code so it's time for further weedkilling. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-15MIPS: Redefine value of BRK_BUG.Steven J. Hill1-1/+1
The BRK_BUG value is used in the BUG and __BUG_ON inline macros. For standard MIPS cores the code in the 'tne' instruction is 10-bits long. In microMIPS, the 'tne' instruction is recoded and the code can only be 4-bits long. We change the value to 12 instead of 512 so that both classic and microMIPS kernels build. [ralf@linux-mips.org: Many of the break codes starting from 0 are used across many MIPS UNIX variants. Codes starting from 512 are operating system specific additions. 1023 again is also used by other operating systems] Signed-off-by: Steven J. Hill <sjhill@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-15MIPS: Add printing of ISA version in cpuinfo.Steven J. Hill1-0/+13
Display the MIPS ISA version release in the /proc/cpuinfo file. [ralf@linux-mips.org: Add support for MIPS I ... IV legacy architecture revisions. Also differenciate between MIPS32 and MIPS64 versions instead of lumping them together as just r1 and r2. Note to application programmers: this indicates the CPU's ISA level It does not imply the current execution environment does support it. For example an O32 application seeing "mips64r2" would still be restricted by by the execution environment to 32-bit - but the kernel could run mips64r2 code. The same for a 32-bit kernel running on a 64-bit processor. This field doesn't include ASEs or optional architecture modules nor other detailed flags such as the availability of an FPU.] Signed-off-by: Steven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/4714/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-15MIPS: BCM47XX: add bcm47xx prefix in front of nvram function namesHauke Mehrtens1-5/+5
The nvram functions are exported and used by some normal drivers. To prevent name clashes with ofter parts of the kernel code add a bcm47xx_ prefix in front of the function names and the header file name. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4744/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-15MIPS: BCM47XX: use common error codes in nvram readsHauke Mehrtens1-3/+0
Instead of using our own error codes use some common codes. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Patchwork: http://patchwork.linux-mips.org/patch/4739/ Signed-off-by: John Crispin <blogic@openwrt.org>
2013-02-14burying unused conditionalsAl Viro1-1/+0
__ARCH_WANT_SYS_RT_SIGACTION, __ARCH_WANT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND, __ARCH_WANT_COMPAT_SYS_SCHED_RR_GET_INTERVAL - not used anymore CONFIG_GENERIC_{SIGALTSTACK,COMPAT_RT_SIG{ACTION,QUEUEINFO,PENDING,PROCMASK}} - can be assumed always set.
2013-02-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller6-2/+5
Synchronize with 'net' in order to sort out some l2tp, wireless, and ipv6 GRE fixes that will be built on top of in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-03mips: switch to generic sys_fork() and sys_clone()Al Viro2-12/+14
we still need the wrappers to store callee-saved registers in pt_regs, but once that done we can jump to kernel/fork.c variants. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03mips: switch to generic sigaltstackAl Viro1-0/+8
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03consolidate kernel-side struct sigaction declarationsAl Viro2-0/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-03consolidate declarations of k_sigactionAl Viro1-4/+0
Only alpha and sparc are unusual - they have ka_restorer in it. And nobody needs that exposed to userland. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-02-01MIPS: MSP71xx: Move code.Ralf Baechle12-0/+0
Now that Yosemite's gone we can move the MSP71xx code one level up. Shane McDonald <mcdonald.shane@gmail.com>'s https://patchwork.linux-mips.org/patch/4736/ has been folded into this patch. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: Whitespace cleanup.Ralf Baechle329-8453/+8453
Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: Nuke trailing whitespace.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: PNX8550: Remove support for SOC and JBS and STB810 boards.Ralf Baechle9-923/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: SEAD3: Implement OF support.Steven J. Hill1-0/+4
Activate USE_OF for SEAD-3 platform. Add basic DTS file and convert memory detection and reservations to use OF. [ralf@linux-mips.org: Remove unnecessary #ifdef wrapper in generic.h. Make <asm/mips-boards/generic.h> inclusion work even without prior <linux/of_fdt.h> inclusion.] Signed-off-by: Steven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4809/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: inst.h: Add MDMX and paired single instruction aka MIPS-3D formats.Ralf Baechle1-0/+23
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: inst.h: Eleminate per endianess structure definitions.Ralf Baechle1-126/+72
This makes space for further growth of the header without excessive bloat. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: UAPI: Split inst.h into exported and kernel-only part.Ralf Baechle3-347/+364
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-02-01MIPS: Whitespace cleanups and reformatting.Steven J. Hill1-11/+15
Signed-off-by: Steven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Cc: Steven J. Hill <sjhill@mips.com> Cc: Kevin Cernekee <cernekee@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/4781/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-29Merge branch 'master' into for-nextJiri Kosina95-992/+4645
Conflicts: drivers/devfreq/exynos4_bus.c Sync with Linus' tree to be able to apply patches that are against newer code (mvneta).
2013-01-27Remove leftover #endif after introducing SO_REUSEPORTThomas Graf1-1/+0
Commit 055dc21a1d (soreuseport: infrastructure) removed the #if 0 around SO_REUSEPORT without removing the corresponding #endif thus causing the header guard to close early. Cc: Tom Herbert <therbert@google.com> Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-24MIPS: DSP: Fix DSP mask for registers.Steven J. Hill1-1/+1
The DSP bit mask for the RDDSP and WRDSP instructions was wrong. [ralf@linux-mips.org: The mask field of the RDDSP and WRDSP instructions is 10 bits long. DSP_MASK had all these fields which according to the architecture specification may result in UNPREDICTABLE operation.] Signed-off-by: Steven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/4683/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-23soreuseport: infrastructureTom Herbert1-2/+1
Definitions and macros for implementing soreusport. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-23MIPS: Fix build failure by adding definition of pfn_pmd().David Daney1-0/+1
With CONFIG_TRANSPARENT_HUGEPAGE=y and CONFIG_HUGETLBFS=y we get the following build failure: CC mm/huge_memory.o mm/huge_memory.c: In function 'set_huge_zero_page': mm/huge_memory.c:780:2: error: implicit declaration of function 'pfn_pmd' [-Werror=implicit-function-declaration] mm/huge_memory.c:780:8: error: incompatible types when assigning to type 'pmd_t' from type 'int' Add a definition of pfn_pmd() for 64-bit kernels (the only place huge pages are currently supported). Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4813/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-22MIPS: PNX833x: Fix comment.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-17MIPS: Add struct p_format to union mips_instruction.Ralf Baechle1-0/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-17sk-filter: Add ability to lock a socket filter programVincent Bernat1-0/+1
While a privileged program can open a raw socket, attach some restrictive filter and drop its privileges (or send the socket to an unprivileged program through some Unix socket), the filter can still be removed or modified by the unprivileged program. This commit adds a socket option to lock the filter (SO_LOCK_FILTER) preventing any modification of a socket filter program. This is similar to OpenBSD BIOCLOCK ioctl on bpf sockets, except even root is not allowed change/drop the filter. The state of the lock can be read with getsockopt(). No error is triggered if the state is not changed. -EPERM is returned when a user tries to remove the lock or to change/remove the filter while the lock is active. The check is done directly in sk_attach_filter() and sk_detach_filter() and does not affect only setsockopt() syscall. Signed-off-by: Vincent Bernat <bernat@luffy.cx> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-16MIPS: Export <asm/break.h>.Ralf Baechle2-0/+1
It always should have been ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-01-07Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds3-15/+18
Pull MIPS fixes from Ralf Baechle: "Various fixes across the tree. The modpost error due to virt_addr_valid() not being usable from modules required a number of preparatory cleanups so a clean fix was possible." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: 64-bit: Fix build if !CONFIG_MODULES MIPS: Wire up finit_module syscall. MIPS: Fix modpost error in modules attepting to use virt_addr_valid(). MIPS: page.h: Remove now unnecessary #ifndef __ASSEMBLY__ wrapper. MIPS: Switch remaining assembler PAGE_SIZE users to <asm/asm-offsets.h>. MIPS: Include PAGE_S{IZE,HIFT} in <asm/offset.h>. MIPS: Don't include <asm/page.h> unnecessarily. MIPS: Fix comment. Revert "MIPS: Optimise TLB handlers for MIPS32/64 R2 cores." MIPS: perf: Fix build failure in XLP perf support. MIPS: Alchemy: Make 32kHz and r4k timer coexist peacefully
2013-01-03MIPS: drivers: remove __dev* attributes.Greg Kroah-Hartman1-2/+2
CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03treewide: Replace incomming with incoming in all comments and stringsJorrit Schippers1-2/+2
Signed-off-by: Jorrit Schippers <jorrit@ncode.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-28MIPS: Wire up finit_module syscall.Ralf Baechle1-6/+9
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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