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* [PATCH] ppc32: Add 440SPe supportRoland Dreier2005-11-071-0/+10
| | | | | | | | | | Add support for the AMCC PowerPC 440SPe SoC, including PCI Express in root port mode. Signed-off-by: Roland Dreier <rolandd@cisco.com> Cc: Matt Porter <mporter@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc: Fix ppc32 build after 64K pagesBenjamin Herrenschmidt2005-11-072-2/+3
| | | | | | | | | Oops, some last minute changes caused the 64K pages patch to break ppc32 build, this fixes it. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] POWERPC/PPC64: Fix CONFIG_SMP=n build for ppc64Olof Johansson2005-11-071-0/+1
| | | | | | | | | | Two CONFIG_SMP=n build fixes due to missing <asm/smp.h> includes. Signed-off-by: Olof Johansson <olof@lixom.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: Fix bug in SLB miss handler for hugepagesDavid Gibson2005-11-073-6/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch, however, should be applied on top of the 64k-page-size patch to fix some problems with hugepage (some pre-existing, another introduced by this patch). The patch fixes a bug in the SLB miss handler for hugepages on ppc64 introduced by the dynamic hugepage patch (commit id c594adad5653491813959277fb87a2fef54c4e05) due to a misunderstanding of the srd instruction's behaviour (mea culpa). The problem arises when a 64-bit process maps some hugepages in the low 4GB of the address space (unusual). In this case, as well as the 256M segment in question being marked for hugepages, other segments at 32G intervals will be incorrectly marked for hugepages. In the process, this patch tweaks the semantics of the hugepage bitmaps to be more sensible. Previously, an address below 4G was marked for hugepages if the appropriate segment bit in the "low areas" bitmask was set *or* if the low bit in the "high areas" bitmap was set (which would mark all addresses below 1TB for hugepage). With this patch, any given address is governed by a single bitmap. Addresses below 4GB are marked for hugepage if and only if their bit is set in the "low areas" bitmap (256M granularity). Addresses between 4GB and 1TB are marked for hugepage iff the low bit in the "high areas" bitmap is set. Higher addresses are marked for hugepage iff their bit in the "high areas" bitmap is set (1TB granularity). To avoid conflicts, this patch must be applied on top of BenH's pending patch for 64k base page size [0]. As such, this patch also addresses a hugepage problem introduced by that patch. That patch allows hugepages of 1MB in size on hardware which supports it, however, that won't work when using 4k pages (4 level pagetable), because in that case hugepage PTEs are stored at the PMD level, and each PMD entry maps 2MB. This patch simply disallows hugepages in that case (we can do something cleverer to re-enable them some other day). Built, booted, and a handful of hugepage related tests passed on POWER5 LPAR (both ARCH=powerpc and ARCH=ppc64). [0] http://gate.crashing.org/~benh/ppc64-64k-pages.diff Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: support 64k pagesBenjamin Herrenschmidt2005-11-0729-813/+2101
| | | | | | | | | | | | | | | Adds a new CONFIG_PPC_64K_PAGES which, when enabled, changes the kernel base page size to 64K. The resulting kernel still boots on any hardware. On current machines with 4K pages support only, the kernel will maintain 16 "subpages" for each 64K page transparently. Note that while real 64K capable HW has been tested, the current patch will not enable it yet as such hardware is not released yet, and I'm still verifying with the firmware architects the proper to get the information from the newer hypervisors. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc-mergeLinus Torvalds2005-11-0580-530/+11657
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| * powerpc: Fix vmlinux.lds.S for 32-bitPaul Mackerras2005-11-051-25/+5
| | | | | | | | | | | | | | | | | | | | | | | | We can't currently use asm-ppc/page.h in vmlinux.lds.S, so until we have a merged page.h, define PAGE_SIZE and KERNELBASE locally. Also gets rid of some dynamic executable cruft that we had for 32-bit. With -Ttext=$(KERNELBASE) this didn't cause any problem, but when we changed to putting . = KERNELBASE in the vmlinux.lds.S this cruft caused the text to get linked at 0xa0 instead of 0xc0000000. Oops. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * powerpc: Merge smp.c and smp.hPaul Mackerras2005-11-056-157/+692
| | | | | | | | | | | | | | This also moves setup_cpu_maps to setup-common.c (calling it smp_setup_cpu_maps) and uses it on both 32-bit and 64-bit. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * Merge branch 'for-paulus' of git://kernel/home/michael/src/work/Paul Mackerras2005-11-0416-57/+6021
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| | * Merge with PaulusMichael Ellerman2005-11-0415-160/+2923
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| | * | powerpc: Implement smp_release_cpus() in C not asmMichael Ellerman2005-11-042-20/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no reason for smp_release_cpus() to be asm, and most people can make more sense of C code. Add an extern declaration to smp.h and remove the custom one in machine_kexec.c Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
| | * | powerpc: Cleanup vpa codeMichael Ellerman2005-11-032-10/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | register_vpa() doesn't actually do a VPA register call it just uses the flags you pass it, so rename it to vpa_call() to be clearer. We can then define register_vpa() and unregister_vpa() which are both simple wrappers around vpa_call(). (we'll need unregister_vpa() for kexec soon) We can then cleanup vpa_init(), and because vpa_init() is only called from platforms/pseries we remove the definition in asm-ppc64/smp.h. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| | * | powerpc: Set entry point and text address in linker scriptMichael Ellerman2005-11-032-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we set the kernel entry point and the address of the text section in the Makefile, using CONFIG_KERNEL_START. But we've already got <asm/page.h> in the linker script, so we can just use KERNELBASE directly. That means if we ever change KERNELBASE there's one less place to change it. And we can set the entry point with ENTRY(). There are zero differences from "readelf -a vmlinux" with or without this patch. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| | * | powerpc: Make early debugging fit on 80 character terminalMichael Ellerman2005-11-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | There's some debugging in prom.c that wraps nastly on 80 character terminals, reformat it to fit. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| | * | powerpc: Move plpar_wrappers.h into arch/powerpc/platforms/pseriesMichael Ellerman2005-11-035-4/+115
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Move plpar_wrappers.h into arch/powerpc/platforms/pseries, fixup white space, and update callers. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| | * | powerpc: Make set_dabr() a ppc_md functionMichael Ellerman2005-11-032-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Move pSeries specific code in set_dabr() into a ppc_md function, this will allow us to keep plpar_wrappers.h private to platforms/pseries. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| | * | powerpc: Copy default configs into arch/powerpc/configsMichael Ellerman2005-11-035-0/+5847
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Copy default configs into arch/powerpc/configs, rename bpa_defconfig to cell_defconfig while we're at it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
| * | | powerpc: Merge smp-tbsync.c (the generic timebase sync routine)Paul Mackerras2005-11-043-0/+179
| | |/ | |/| | | | | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | Merge git://oak/home/sfr/kernels/iseries/workPaul Mackerras2005-11-034-2/+721
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| | * | powerpc: move include/asm-ppc64/ppc32.h to arch/powerpc/kernelStephen Rothwell2005-11-032-1/+139
| | | | | | | | | | | | | | | | | | | | | | | | It is only included by signal_32.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
| | * | powerpc: move ppc64/kernel/signal.c to arch/powerpcStephen Rothwell2005-11-032-1/+582
| | | | | | | | | | | | | | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
| * | | [PATCH] powerpc: always init nvram on 64-bit powermacDavid Woodhouse2005-11-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently there is no Kconfig symbol to indicate that we want nvram support on 64-bit kernels; it's assumed we always want it, so make the powermac setup code always initialize the pmac nvram code if 64-bit. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | | [PATCH] ppc64: Fix add notifier crashesJohn Rose2005-11-031-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | The extraction of PCI stuff from struct device_node left some false assumptions in notifier code. As a result, dynamic add crashes when non-PCI nodes are added. This patch fixes these assumptions. Signed-off-by: John Rose <johnrose@austin.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * / powerpc: Merge remaining RTAS codePaul Mackerras2005-11-0310-156/+2200
| |/ | | | | | | | | | | | | | | | | This moves rtas-proc.c and rtas_flash.c into arch/powerpc/kernel, since cell wants them as well as pseries (and chrp can use rtas-proc.c too, at least in principle). rtas_fw.c is gone, with its bits moved into rtas_flash.c and rtas.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * powerpc: Compile fixes for chrp/nvram.cPaul Mackerras2005-11-021-2/+5
| | | | | | | | | | | | | | Include asm/rtas.h for prototype for rtas_call etc., and make the `done' variable unsigned int since that's what rtas_call wants. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * powerpc: include <linux/platform_device.h> in pegasos_eth.cPaul Mackerras2005-11-021-0/+1
| | | | | | | | Signed-off-by: Paul Mackerras <paulus@samba.org>
| * Merge Paulus' treeStephen Rothwell2005-11-027-5/+90
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| | * powerpc: include lmb.h in arch/powerpc/platforms/powermac/setup.cPaul Mackerras2005-11-021-0/+1
| | | | | | | | | | | | | | | | | | since it uses the lmb stuff in one place. Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * [PATCH] powerpc: Move naca.h to platforms/iseriesDavid Gibson2005-11-024-3/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These days, the NACA only exists on iSeries. Therefore, this patch moves naca.h from include/asm-ppc64 to arch/powerpc/platforms/iseries. There was one file including naca.h outside of platforms/iseries - arch/ppc64/kernel/udbg_scc.c. However, that's obviously a hangover from older days. The include is not necessary, so this patch simply removes it. Built and booted on iSeries, built for G5 (which uses udbg_scc.o). Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * [PATCH] powerpc: Move dart.hDavid Gibson2005-11-022-2/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | asm-ppc64/dart.h is included in exactly one place - arch/powerpc/sysdev/u3_iommu.c. This patch, therefore, moves it into arch/powerpc/sysdev. While we're at it, update the #ifndef/#define protecting the include, and the filename in the comments of u3_iommu.c. Built and booted on pSeries and G5, built for ppc32 powermac. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | Merge iSeries include file moveStephen Rothwell2005-11-0224-58/+58
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| | * merge filename and modify references to iseries/vio.hKelly Daly2005-11-023-3/+3
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iSeries/mf.hKelly Daly2005-11-024-4/+4
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/lpar_map.hKelly Daly2005-11-024-4/+4
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/it_lp_reg_save.hKelly Daly2005-11-021-1/+1
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/it_lp_queue.hKelly Daly2005-11-026-6/+6
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/it_lp_naca.hKelly Daly2005-11-023-3/+3
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/it_exp_vpd_panel.hKelly Daly2005-11-022-2/+2
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_types.hKelly Daly2005-11-028-8/+8
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_lp_event.hKelly Daly2005-11-025-5/+5
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify reference to iseries/hv_lp_config.hKelly Daly2005-11-025-5/+5
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_call_xm.hKelly Daly2005-11-027-7/+7
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_call_sc.hKelly Daly2005-11-025-5/+5
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_call_event.hKelly Daly2005-11-022-2/+2
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| | * merge filename and modify references to iseries/hv_call.hKelly Daly2005-11-013-3/+3
| | | | | | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
| * | powerpc: clean up bug.h furtherPaul Mackerras2005-11-021-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | This simplifies the macros which are different between 32-bit and 64-bit. It also fixes a couple of printks on the bug->line element, which is now a long. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | powerpc: exclude powerbook sleep code with CONFIG_PPC64 and CONFIG_PMPaul Mackerras2005-11-021-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | We were getting powerbook sleep code included, and giving compile errors, with CONFIG_PM=y on a 64-bit build. This excludes that code so the kernel will compile. One day BenH will implement on sleep on the G5... Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | powerpc: Fix compile error with CONFIG_TAU=yPaul Mackerras2005-11-021-2/+2
| | | | | | | | | | | | | | | | | | | | | A couple of instances of "i" that needed to be changed to "cpu_id" got missed in the merge, because they were in CONFIG_TAU code. Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | powerpc: Use rtas_call not call_rtas in CHRP codePaul Mackerras2005-11-021-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | The nvram driver imported from the ppc code uses call_rtas, but rtas_call is the name we are using in merged code (since ppc64 used that name, and it uses far more RTAS calls than ppc32). Signed-off-by: Paul Mackerras <paulus@samba.org>
| * | powerpc: Fix pseries (64-bit) buildPaul Mackerras2005-11-011-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | A recent commit that removed rtas-fw.h and moved its contents to include/asm-powerpc/rtas.h forgot to also remove the inclusion of it in arch/powerpc/platforms/pseries/setup.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
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