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* powerpc: remove old vector.S filesStephen Rothwell2005-09-301-0/+1
| | | | | | Update old kernel/Makefiles to cope Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move viopath.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+0
| | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_smp.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+0
| | | | | | And rename it to smp.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_vio.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+0
| | | | | | And rename it to vio.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_VpdInfo.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+0
| | | | | | And rename it to vpdinfo.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_irq.c to powerpc/platorms/iseriesStephen Rothwell2005-09-281-2/+1
| | | | | | And rename it to irq.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_pci.c to powerpc/platform/iseriesStephen Rothwell2005-09-281-1/+1
| | | | | | | | and rename it to pci.c. This also required moving arch/ppc64/kernel/pci.h into include/asm-powerpc (called ppc-pci.h. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_iommu.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-2/+0
| | | | | | And rename it to iommu.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move iSeries_htab.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-2/+1
| | | | | | And rename it to htab.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: move iSeries_proc.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+1
| | | | | | And renamed it to proc.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Merge HvLpEvent.c into lpevents.cStephen Rothwell2005-09-281-1/+1
| | | | | | These two files were intimately connected, so just merge them. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: move hvCall.s to powerpc/platforms/iseriesStephen Rothwell2005-09-281-2/+1
| | | | | | | | | Rename it to hvcall.S and (so I can do that) rename hvcall.c to hvlog.c - a more appropriate name. Do some white space cleanups. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: move ItLpQueue.c to powerpc/platforms/iseriesStephen Rothwell2005-09-281-1/+1
| | | | Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: move iSeries_setup.[ch] and mf.c into platforms/iseriesStephen Rothwell2005-09-271-2/+2
| | | | | | | | | | | iSeries_setup.c becomes setup.c iSeries_setup.h becomes setup.h mf.c retains its name Also moved iSeries_[gs]et_rtc_time and iSeries_get_boot_time into mf.c since they are just small wrappers around mf_ functions. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move LparData.c to powerpc platformsStephen Rothwell2005-09-271-2/+1
| | | | | | Also rename it to lpardata.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Move HvLpConfig.c to powerpc archStephen Rothwell2005-09-271-1/+1
| | | | | | Also rename it to hvlpconfig.c Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* powerpc: Create arch/powerpc/platforms/iseriesStephen Rothwell2005-09-271-1/+1
| | | | | | | I also move arch/ppc64/kernel/HvCall.c to arch/powerpc/platforms/iseries/hvcall.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* ppc64 iSeries: Call early_setup() on iSeriesMichael Ellerman2005-09-231-2/+2
| | | | | | | | | | | | | | | Misc steps to incorporate the flat device tree on iSeries. - define iseries_probe() - call build_iSeries_Memory_Map() earlier - return __pa() of the flat device tree from iSeries_early_setup() - actually call early_setup() for iSeries - add iseries_md to machdep_calls - build prom.o for iSeries - enable /proc/device-tree for iSeries Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
* [PATCH] powerpc: Move arch/ppc*/kernel/vecemu.c to arch/powerpcStephen Rothwell2005-09-211-0/+3
| | | | | | | | This file is the same in both architectures so create arch/powerpc/kernel and move it there. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: Split SCC and 15550 udbg codeMilton Miller2005-09-061-3/+5
| | | | | | | | | Split scc and 15550 functions from udbg each into their own file. This makes them more symetric with the lpar and btext code. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: make firmware_has_feature() strongerStephen Rothwell2005-08-291-1/+1
| | | | | | | | Make firmware_has_feature() evaluate at compile time for the non pSeries case and tidy up code where possible. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: split pSeries specific parts out of vio.cStephen Rothwell2005-08-291-0/+1
| | | | | | | This patch just splits out the pSeries specific parts of vio.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: split iSeries specific parts out of vio.cStephen Rothwell2005-08-291-1/+3
| | | | | | | This patch splits the iSeries specific parts out of vio.c. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] iSeries build with newer assemblers and compilersStephen Rothwell2005-08-161-0/+5
| | | | | | | | | | | | | | | | | | Paulus suggested that we put xLparMap in its own .c file so that we can generate a .s file to be included into head.S. This doesn't get around the problem of having it at a fixed address, but it makes it more palatable. It would be good if this could be included in 2.6.13 as it solves our build problems with various versions of binutils and gcc. In particular, it allows us to build an iSeries kernel on Debian unstable using their biarch compiler. This has been built and booted on iSeries and built for pSeries and g5. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: kexec support for ppc64R Sharada2005-06-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements the kexec support for ppc64 platforms. A couple of notes: 1) We copy the pages in virtual mode, using the full base kernel and a statically allocated stack. At kexec_prepare time we scan the pages and if any overlap our (0, _end[]) range we return -ETXTBSY. On PowerPC 64 systems running in LPAR (logical partitioning) mode, only a small region of memory, referred to as the RMO, can be accessed in real mode. Since Linux runs with only one zone of memory in the memory allocator, and it can be orders of magnitude more memory than the RMO, looping until we allocate pages in the source region is not feasible. Copying in virtual means we don't have to write a hash table generation and call hypervisor to insert translations, instead we rely on the pinned kernel linear mapping. The kernel already has move to linked location built in, so there is no requirement to load it at 0. If we want to load something other than a kernel, then a stub can be written to copy a linear chunk in real mode. 2) The start entry point gets passed parameters from the kernel. Slaves are started at a fixed address after copying code from the entry point. All CPUs get passed their firmware assigned physical id in r3 (most calling conventions use this register for the first argument). This is used to distinguish each CPU from all other CPUs. Since firmware is not around, there is no other way to obtain this information other than to pass it somewhere. A single CPU, referred to here as the master and the one executing the kexec call, branches to start with the address of start in r4. While this can be calculated, we have to load it through a gpr to branch to this point so defining the register this is contained in is free. A stack of unspecified size is available at r1 (also common calling convention). All remaining running CPUs are sent to start at absolute address 0x60 after copying the first 0x100 bytes from start to address 0. This convention was chosen because it matches what the kernel has been doing itself. (only gpr3 is defined). Note: This is not quite the convention of the kexec bootblock v2 in the kernel. A stub has been written to convert between them, and we may adjust the kernel in the future to allow this directly without any stub. 3) Destination pages can be placed anywhere, even where they would not be accessible in real mode. This will allow us to place ram disks above the RMO if we choose. Signed-off-by: Milton Miller <miltonm@bga.com> Signed-off-by: R Sharada <sharada@in.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64: Add driver for BPA iommuArnd Bergmann2005-06-231-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Implementation of software load support for the BE iommu. This is very different from other iommu code on ppc64, since we only do a static mapping. The mapping is currently hardcoded but should really be read from the firmware, but they don't set up the device nodes yet. There is a single 512MB DMA window for PCI, USB and ethernet at 0x20000000 for our RAM. The Cell processor can put the I/O page table either in memory like the hashed page table (hardware load) or have the operating system write the entries into memory mapped CPU registers (software load). I use the software load mechanism because I know that all I/O page table entries for the amount of installed physical memory fit into the IO TLB cache. At the point when we get machines with more than 4GB of installed memory, we can either use hardware I/O page table access like the other platforms do or dynamically update the I/O TLB entries when a page fault occurs in the I/O subsystem. The software load can then use the macros that I have implemented for the static mapping in order to do the TLB cache updates. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: Add driver for BPA interrupt controllersArnd Bergmann2005-06-231-3/+5
| | | | | | | | | | | | | | | | | | | Add support for the integrated interrupt controller on BPA CPUs. There is one of those for each SMT thread. The mapping of interrupt numbers to HW interrupt sources is described in arch/ppc64/kernel/bpa_iic.h. This version hardcodes the 'Spider' chip as the secondary interrupt controller. That is not really generic for the architecture, but at the moment it is the only secondary PIC that exists. A little more work will be needed on this as soon as we have boards with multiple external interrupt controllers. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: add BPA platform typeArnd Bergmann2005-06-231-0/+3
| | | | | | | | | | | | | This adds the basic support for running on BPA machines. So far, this is only the IBM workstation, and it will not run on others without a little more generalization. It should be possible to configure a kernel for any combination of CONFIG_PPC_BPA with any of the other multiplatform targets. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64: Split out generic rtas code from pSeries_pci.c.Arnd Bergmann2005-06-231-1/+2
| | | | | | | | | | BPA is using rtas for PCI but should not be confused by pSeries code. This also avoids some #ifdefs. Other platforms that want to use rtas_pci.c could create their own platform_pci.c with platform specific fixups. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
* [PATCH] ppc64 iSeries: allow build with no PCIStephen Rothwell2005-06-211-3/+3
| | | | | | | | | This patch allows iSeries to build with CONFIG_PCI=n. This is useful for partitions that have only virtual I/O. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64 iSeries: remove XmPciLpEvent.cStephen Rothwell2005-06-211-1/+1
| | | | | | | | | | This patch just merges XmPciLpEvent.c into iSeries_irq.c (the only caller of its only external function). XmPciLpEvent.c just contained the lowlevel iSeries irq code. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64 iSeries: iSeries_VpdInfo.c cleanupsStephen Rothwell2005-06-211-3/+2
| | | | | | | | | | | | | | Clean up iSeries_VpdInfo.c: - white space and comment fixes - make a function static - the functions here are only called from iSeries_pci.c, so CONFIG_PCI will be set (so remove check) - only build when CONFIG_PCI is set - remove unneeded includes and cast Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] ppc64 iSeries: remove iSeries_pci_reset.cStephen Rothwell2005-06-211-1/+1
| | | | | | | | | | The file arch/ppc64/kernel/iSeries_pci_reset contains only one function that is not use anywhere (any more). Remove it. This function is the only user of the ReturnCode member of iSeries_Device_Node, so remove that as well. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+68
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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