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2010-02-25Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds
* 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6: (41 commits) of: remove undefined request_OF_resource & release_OF_resource of/sparc: Remove sparc-local declaration of allnodes and devtree_lock of: move definition of of_chosen into common code. of: remove unused extern reference to devtree_lock of: put default string compare and #a/s-cell values into common header of/flattree: Don't assume HAVE_LMB of: protect linux/of.h with CONFIG_OF proc_devtree: fix THIS_MODULE without module.h of: Remove old and misplaced function declarations of/flattree: Make the kernel accept ePAPR style phandle information of/flattree: endian-convert members of boot_param_header of: assume big-endian properties, adding conversions where necessary of: use __be32 for cell value accessors of/flattree: use OF_ROOT_NODE_{SIZE,ADDR}_CELLS DEFAULT for fdt parsing of/flattree: use callback to setup initrd from /chosen proc_devtree: include linux/of.h of: make set_node_proc_entry private to proc_devtree.c of: include linux/proc_fs.h of/flattree: merge early_init_dt_scan_memory() common code of: add 'of_' prefix to machine_is_compatible() ...
2010-02-24microblaze: Fix out_le32() macroSteven J. Magnani
Trailing semicolon causes compilation involving out_le32() to fail. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-24microblaze: Fix cache loop function for cache rangeMichal Simek
I create wrong asm code but none test shows that this part of code is wrong. I am not convinces that were good idea to create asm optimized macros for caches. The reason is that there is not optimization with previous code that's why make sense to add old code and do some benchmarking which functions are faster. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-14of: remove undefined request_OF_resource & release_OF_resourceGrant Likely
Neither request_OF_resource or release_OF_resource are defined anywhere. Remove the declarations. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-14of: move definition of of_chosen into common code.Grant Likely
Rather than defining of_chosen in each arch, it can be defined for all in driver/of/base.c Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-14of: remove unused extern reference to devtree_lockGrant Likely
Neither the powerpc nor the microblaze code use devtree_lock anymore. Remove the extern reference. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-14of: put default string compare and #a/s-cell values into common headerGrant Likely
Most architectures don't need to change these. Put them into common code to eliminate some duplication Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-14of/flattree: Don't assume HAVE_LMBJeremy Kerr
We don't always have lmb available, so make arches provide an early_init_dt_alloc_memory_arch() to handle the allocation of memory in the fdt code. When we don't have lmb.h included, we need asm/page.h for __va. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-09of/flattree: use callback to setup initrd from /chosenJeremy Kerr
At present, the fdt code sets the kernel-wide initrd_start and initrd_end variables when parsing /chosen. On ARM, we only set these once the bootmem has been reserved. This change adds an arch hook to setup the initrd from the device tree: void early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end); The arch-specific code can then setup the initrd however it likes. Compiled on powerpc, with CONFIG_BLK_DEV_INITRD=y and =n. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-02-09of/flattree: merge early_init_dt_scan_memory() common codeGrant Likely
Merge common code between PowerPC and Microblaze architectures. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-09of: merge of_find_node_by_phandleJeremy Kerr
Merge common function between powerpc, sparc and microblaze. Code is identical for powerpc and microblaze, but adds a lock (and release) of the devtree_lock on sparc. Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2010-02-09of: merge of_attach_node() & of_detach_node()Grant Likely
Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-02-09microblaze: remove early_init_dt_scan_cpus() and phyp_dump_*()Grant Likely
Microblaze only has one CPU, it isn't SMP at all. early_init_dt_scan_cpus() is effectively just a no-op, so remove it. Microblaze doesn't support hypervisor assisted dump either, so the phyp stuff can also go. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Michal Simek <monstr@monstr.eu>
2010-02-08microblaze: Invalidate dcache before enabling itMichal Simek
We found that on write-trough kernel is necessary to do that invalidation. One WB is possible to use invalidation too. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-03microblaze: fix interrupt state restoreSteven J. Magnani
Interrupts must be disabled while an interrupt state restore (prep for interrupt return) is in progress. Code to do this was lost in the port to the mainline kernel. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-02-03microblaze: Defconfig updateMichal Simek
There were several changes in Microblaze defconfig that's why is good to update defconfigs. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-01-28Merge commit 'v2.6.33-rc5' into secretlab/test-devicetreeGrant Likely
2010-01-28of: unify phandle name in struct device_nodeGrant Likely
In struct device_node, the phandle is named 'linux_phandle' for PowerPC and MicroBlaze, and 'node' for SPARC. There is no good reason for the difference, it is just an artifact of the code diverging over a couple of years. This patch renames both to simply .phandle. Note: the .node also existed in PowerPC/MicroBlaze, but the only user seems to be arch/powerpc/platforms/powermac/pfunc_core.c. It doesn't look like the assignment between .linux_phandle and .node is significantly different enough to warrant the separate code paths unless ibm,phandle properties actually appear in Apple device trees. I think it is safe to eliminate the old .node property and use phandle everywhere. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: David S. Miller <davem@davemloft.net> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-01-28of: Merge of_node_get() and of_node_put()Grant Likely
Merge common code between PowerPC and MicroBlaze Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-01-28of: merge machine_is_compatible()Grant Likely
Merge common code between PowerPC and Microblaze Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Tested-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-01-18microblaze: pci_controller->arch_data really is a struct device_node *Michal Simek
we are follow powerpc change: 44ef339073f67d4abcc62ae52a5fbc069d7a4d29 Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-01-18microblaze: Add missing double apostrophe in KconfigMichal Simek
Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-01-18microblaze: Add PT_ macros for special purpose regsMichal Simek
PT_ macros are used by gdb and strace uses them too. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-01-18microblaze: Enable accept4 syscallMichal Simek
We had wrong name in unistd.h + I wire up this syscall in syscall table. Signed-off-by: Michal Simek <monstr@monstr.eu>
2010-01-18microblaze: Wire up recvmmsg syscallMichal Simek
Patch a2e2725541fad72416326798c2d7fa4dafb7d337 should contain change in unistd.h too. The same problem had MIPS. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-17Merge branch 'for-33' of git://repo.or.cz/linux-kbuildLinus Torvalds
* 'for-33' of git://repo.or.cz/linux-kbuild: (29 commits) net: fix for utsrelease.h moving to generated gen_init_cpio: fixed fwrite warning kbuild: fix make clean after mismerge kbuild: generate modules.builtin genksyms: properly consider EXPORT_UNUSED_SYMBOL{,_GPL}() score: add asm/asm-offsets.h wrapper unifdef: update to upstream revision 1.190 kbuild: specify absolute paths for cscope kbuild: create include/generated in silentoldconfig scripts/package: deb-pkg: use fakeroot if available scripts/package: add KBUILD_PKG_ROOTCMD variable scripts/package: tar-pkg: use tar --owner=root Kbuild: clean up marker net: add net_tstamp.h to headers_install kbuild: move utsrelease.h to include/generated kbuild: move autoconf.h to include/generated drop explicit include of autoconf.h kbuild: move compile.h to include/generated kbuild: drop include/asm kbuild: do not check for include/asm-$ARCH ... Fixed non-conflicting clean merge of modpost.c as per comments from Stephen Rothwell (modpost.c had grown an include of linux/autoconf.h that needed to be changed to generated/autoconf.h)
2009-12-16elf: kill USE_ELF_CORE_DUMPChristoph Hellwig
Currently all architectures but microblaze unconditionally define USE_ELF_CORE_DUMP. The microblaze omission seems like an error to me, so let's kill this ifdef and make sure we are the same everywhere. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: <linux-arch@vger.kernel.org> Cc: Michal Simek <michal.simek@petalogix.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-12-14genirq: Convert irq_desc.lock to raw_spinlockThomas Gleixner
Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
2009-12-14microblaze: Remove rt_sigsuspend wrapperMichal Simek
Generic rt_sigsuspend syscalls doesn't need any asm wrapper. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: nommu: Don't clobber R11 on syscallssteve@digidescorp.com
The noMMU syscall trap has a bug that causes R11 to be zero on return to userland. Remove the extra "save" of R11 responsible for the bug. Remove reloading of mode indicator because r11 already contains it. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove show_tmem functionMichal Simek
show_tmem function do nothing that's why I removed it. There is also cleaning of commented ancient code. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Support for WB cacheMichal Simek
Microblaze version 7.20.d is the first MB version which can be run on MMU linux. Please do not used previous version because they contain HW bug. Based on WB support was necessary to redesign whole cache design. Microblaze versions from 7.20.a don't need to disable IRQ and cache before working with them that's why there are special structures for it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Add PVR for Microblaze v7.30.aMichal Simek
Microblaze v7.30.a will have 0x10 version string. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove ancient and fake microblaze version from cpu_ver tableMichal Simek
We need to continue with next microblaze PVR version that's why I have to remove that ancient version. These version strings not match any versions. From Microblaze v5.00.a is possible to use this style. I believe that none use ancients versions. If yes they will be just labeled as unknown version. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove panic_timeout init valueMichal Simek
panic_timeout is in BSS section and it is cleared with BSS section. This means that value is setup to 0. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Do not count system calls in defaultMichal Simek
There is not necessary to count system calls that's why I added DEBUG macro Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Enable DTC compilationMichal Simek
For simpleImage format we need to compile DTC. There is still possibility to compile only Linux kernel without DTB compiled-in. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Core oprofile configs and hooksJohn Williams
Microblaze uses timer interrupt mode. Microblaze don't have any performance counter that's why we use just simple implementation. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Fix level interrupt ACKingsteve@digidescorp.com
Level interrupts need to be ack'd in the unmask handler, as in powerpc. Among other issues, this bug causes the system clock to appear to run at double-speed. Signed-off-by: Steven J. Magnani <steve@digidescorp.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Enable futimesat syscallMichal Simek
Futimesat was disabled. LTP testing shows that MB has no problem with this syscall. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Checking DTS against PVR for write-back cacheMichal Simek
WB cache has special flag in PVR. There is added checking mechanism for PVR and DTS. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Remove duplicity from pgalloc.hMichal Simek
just file cleanup Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Futex supportMichal Simek
Microblaze v7.20 provides new lwx, swx instructions which bring possibility to implement lock rutines. There are some tests in open posix thread LTP part but current toolchain not support it. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Adding dev_arch_data functionsMichal Simek
The functions, dev_arch_data_set_node and get_node are missing and are needed by some device drivers such as I2C. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Fix the heartbeat gpio to be more robustJohn Linn
The device tree handling for the gpio in the heart beat was not handling the system when there was no gpio and it wasn't working with a newer version of the gpio core which does not have the is-bidir property. Signed-off-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Simple __copy_tofrom_user for noMMUJohn Williams
This is first patch which clear part of uaccess.h. uaccess.h will be clear later. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Export memory_start for modulesMichal Simek
memory_start symbol is needed by kernel modules. Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Use lowest-common-denominator default CPU settingsJohn Williams
This will ensure that kernels built with no custom CPU settings will still boot OK on hardware that has additional CPU hardware instructions etc. Signed-off-by: John Williams <john.williams@petalogix.com> Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Update default generic DTSMichal Simek
It is generated with longer compatible list Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-12-14microblaze: Enable asm optimization only for HW with barrel-shifterMichal Simek
Asm code uses barrel-shifter instruction that's why we have to protect cases when HW don't have it. Reported-by: John Linn <john.linn@xilinx.com> Signed-off-by: Michal Simek <monstr@monstr.eu>