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* [PATCH] ppc64: support 64k pagesBenjamin Herrenschmidt2005-11-061-12/+19
| | | | | | | | | | | | | | | 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>
* powerpc: Merge smp.c and smp.hPaul Mackerras2005-11-051-114/+6
| | | | | | | 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>
* powerpc: Implement smp_release_cpus() in C not asmMichael Ellerman2005-11-041-2/+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>
* Merge iSeries include file moveStephen Rothwell2005-11-021-1/+1
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| * merge filename and modify references to iseries/it_lp_naca.hKelly Daly2005-11-021-1/+1
| | | | | | | | Signed-off-by: Kelly Daly <kelly@au.ibm.com>
* | [PATCH] powerpc: Rename BPA to CellArnd Bergmann2005-11-011-3/+3
| | | | | | | | | | | | | | | | | | The official name for BPA is now CBEA (Cell Broadband Engine Architecture). This patch renames all occurences of the term BPA to 'Cell' for easier recognition. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* | powerpc: make mem= work on iSeries againStephen Rothwell2005-11-011-17/+0
|/ | | | | | | | By parsing the command line earlier, we can add the mem= value to the flattened device tree and let the generic code sort out the memory limit for us. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Fix bug arising from having multiple memory_limit variablesPaul Mackerras2005-10-311-9/+0
| | | | | | | | | | We had a static memory_limit in prom.c, and then another one defined in setup_64.c and used in numa.c, which resulted in the kernel crashing when mem=xxx was given on the command line. This puts the declaration in system.h and the definition in mem.c. This also moves the definition of tce_alloc_start/end out of setup_64.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Merge xmonPaul Mackerras2005-10-281-0/+1
| | | | | | | | | | | The merged version follows the ppc64 version pretty closely mostly, and in fact ARCH=ppc64 now uses the arch/powerpc/xmon version. The main difference for ppc64 is that the 'p' command to call show_state (which was always pretty dodgy) has been replaced by the ppc32 'p' command, which calls a given procedure (so in fact the old 'p' command behaviour can be achieved with 'p $show_state'). Signed-off-by: Paul Mackerras <paulus@samba.org>
* ppc64: use the merged syscall tableStephen Rothwell2005-10-281-13/+5
| | | | | | | This allows us to also use entry_64.S from the merged tree and reverts the setup_64.c part of fda262b8978d0089758ef9444508434c74113a61. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* [PATCH] powerpc: Purge bootinfo.hDavid Gibson2005-10-271-1/+0
| | | | | | | | | | | | | | | | | With ARCH=powerpc we assume the presence of a device tree, so we don't require any support for the old bi_recs method of passing boot parameters. Likewise, we've never needed it for ppc64, but we still had an include/asm-ppc64/bootinfo.h from which nothing was used. This patch removes that file, and all references to it in arch/ppc64 and arch/powerpc. A related, unused variable 'boot_mem_size' is also removed from setup_32.c. The bootinfo stuff remains in ARCH=ppc for the time being. Built and booted on Power5 (ARCH=ppc64 and ARCH=powerpc), built for 32-bit powermac (ARCH=powerpc and ARCH=ppc). Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: remove arch/ppc64/kernel/setup.cPaul Mackerras2005-10-271-5/+13
| | | | | | | | and use setup_64.c from the merged tree instead. The only difference between them was the code to set up the syscall maps. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Remove common stuff from setup_64.cPaul Mackerras2005-10-271-270/+0
| | | | | | | This should have been in commit 03501dab035ab7da5e1373f5e130cfd6346d3f21 but got missed by accident. Signed-off-by: Paul Mackerras <paulus@samba.org>
* ppc64: Move init_boot_text call and conswitchp init into setup_archPaul Mackerras2005-10-201-0/+8
| | | | | | | This way they get done in one place for all platforms, and it is more consistent with what ppc32 does. Signed-off-by: Paul Mackerras <paulus@samba.org>
* ppc64: Change ppc_md.get_cpuinfo to ppc_md.show_cpuinfoPaul Mackerras2005-10-201-2/+2
| | | | | | | ... for consistency with ppc32; also add in ppc32's show_percpuinfo function. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Merge time.c and asm/time.h.Paul Mackerras2005-10-201-9/+0
| | | | | | | | | | We now use the merged time.c for both 32-bit and 64-bit compilation with ARCH=powerpc, and for ARCH=ppc64, but not for ARCH=ppc32. This removes setup_default_decr (folds its function into time_init) and moves wakeup_decrementer into time.c. This also makes an asm-powerpc/rtc.h. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Remove debug messages from setup_64.cPaul Mackerras2005-10-111-16/+0
| | | | | | | A bunch of printks were left in arch/powerpc/kernel/setup_64.c from when I was chasing a bug. This removes them. Signed-off-by: Paul Mackerras <paulus@samba.org>
* powerpc: Get 64-bit configs to compile with ARCH=powerpcPaul Mackerras2005-10-101-0/+1324
This is a bunch of mostly small fixes that are needed to get ARCH=powerpc to compile for 64-bit. This adds setup_64.c from arch/ppc64/kernel/setup.c and locks.c from arch/ppc64/lib/locks.c. Signed-off-by: Paul Mackerras <paulus@samba.org>
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