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2015-06-07powerpc/dscr: Add documentation for DSCR supportAnshuman Khandual1-0/+2
This patch adds a new documentation file explaining the DSCR support on powerpc platforms. This explains DSCR related data structure, code paths and also available user interfaces. Any further functional changes to the DSCR support in the kernel should definitely update the documentation here. Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-10-08cxl: Add documentation for userspace APIsIan Munsie1-0/+2
This documentation gives an overview of the hardware architecture, userspace APIs via /dev/cxl/afuM.N and the syfs files. It also adds a MAINTAINERS file entry for cxl. Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-07-28KVM: PPC: Remove 440 supportAlexander Graf1-2/+0
The 440 target hasn't been properly functioning for a few releases and before I was the only one who fixes a very serious bug that indicates to me that nobody used it before either. Furthermore KVM on 440 is slow to the extent of unusable. We don't have to carry along completely unused code. Remove 440 and give us one less thing to worry about. Signed-off-by: Alexander Graf <agraf@suse.de>
2013-08-27powerpc: Update the 00-Index in Documentation/powerpcMichael Ellerman1-0/+11
People have been dropping things in here without updating the index, do it for them. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-07-01powerpc/perf: Core EBB support for 64-bit book3sMichael Ellerman1-0/+2
Add support for EBB (Event Based Branches) on 64-bit book3s. See the included documentation for more details. EBBs are a feature which allows the hardware to branch directly to a specified user space address when a PMU event overflows. This can be used by programs for self-monitoring with no kernel involvement in the inner loop. Most of the logic is in the generic book3s code, primarily to avoid a proliferation of PMU callbacks. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2013-04-18powerpc: remove PReP platformPaul Bolle1-4/+0
PPC_PREP is marked as BROKEN since v2.6.15. Remove all PReP specific code now. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
2011-03-16Documentation: add devicetree docs index fileRob Landley1-4/+0
The device tree infrastructure is being genericized so its documentation moved out of the PowerPC directory. Signed-off-by: Rob Landley <rlandley@parallels.com> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-07powerpc: Remove outdated Documentation/powerpc/smp.txtGeert Uytterhoeven1-2/+0
Documentation/powerpc/smp.txt is so outdated that it makes sense to just remove it. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-10-07powerpc: Remove remains of /proc/ppc_htabGeert Uytterhoeven1-2/+0
commit 14cf11af6cf608eb8c23e989ddb17a715ddce109 ("powerpc: Merge enough to start building in arch/powerpc.") unwired /proc/ppc_htab, and commit 917f0af9e5a9ceecf9e72537fabb501254ba321d ("powerpc: Remove arch/ppc and include/asm-ppc") removed the rest of the /proc/ppc_htab support, but there are still a few references left. Kill them for good. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-07-28Documentation: remove old sbc8260 board specific informationPaul Gortmaker1-2/+0
This file contains 8 yr. old board specific information that was for the now gone ppc implementation, and it pre-dates widespread u-boot support. Any of the technical details of the board memory map would be more appropriately captured in a dts if I revive it as powerpc anyway. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-01-24[POWERPC] QE: Add ability to upload QE firmwareTimur Tabi1-0/+3
Define the layout of a binary blob that contains a QE firmware and instructions on how to upload it. Add function qe_upload_firmware() to parse the blob and perform the actual upload. Fully define 'struct rsp' in immap_qe.h to include the actual RISC Special Registers. Added description of a new QE firmware node to booting-without-of.txt. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2007-10-17Add entries to Documentation/powerpcRob Landley1-0/+4
Add two missing entries to Documentation/powerpc/00-INDEX Signed-off-by: Rob Landley <rob@landley.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-01-09[PATCH] Documentation/powerpc: index updateNicolas Kaiser1-2/+8
Add three files not mentioned in Documentation/powerpc/00-INDEX. Sort alphabetically. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2005-04-17Linux-2.6.12-rc2Linus Torvalds1-0/+20
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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