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2006-06-15[POWERPC] node local IOMMU tablesAnton Blanchard1-1/+1
Allocate IOMMU tables local to the relevant node. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: cleanup of iSeries flat device treeStephen Rothwell1-98/+101
Consolidate the vio device node creation. Make some parameters const. Make a few more things __initdata. Get the device_type strings out of the device tree blob. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: make iSeries flattened device tree dynamic - part 2Stephen Rothwell1-43/+19
This actually simplies things as we just figure out how much space we used at the end and adjust klimit then. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: make iSeries flattened device tree dynamicStephen Rothwell2-40/+61
First we capture all the strings from dt.c statically by noting that gcc puts them in a special section of their own. Idea from Michael Ellerman. Then we move the flattened device tree to klimit. Still to come, making the values blob grow as needed. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: split device tree stuff out of iseries/setup.cStephen Rothwell4-578/+622
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: give iSeries device tree nodes better namesStephen Rothwell1-29/+66
Use the PCI class code to choose a name for the PCI device nodes and to guess a device_type. Failing that, base the name on the vendor and device ids as specified in the spec. Mark just about everything __init{data}. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: make iSeries flat device tree stuff staticStephen Rothwell1-18/+22
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: clean up iSeries PCI probeStephen Rothwell2-29/+15
Only scan the host bridges and then use the existing pci_devs_phb_init() routine. Also fix typo in setup of reg property. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: remove LogicalSlot from pci_dnStephen Rothwell2-9/+4
As we now store enough information in the device_node. Also the Flags field was not used either, do remove that. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: remove Irq from pci_dnStephen Rothwell1-25/+28
As we now store enough information in the device_node to allocate the irq number in pcibios_final_fixup. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: remove iSeries_Global_Device_ListStephen Rothwell2-14/+15
We can now scan the list of device nodes instead. This also allows us to remove the Device_list member of struct pci_dn. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: move iSeries PCI devices to the device treeStephen Rothwell4-200/+286
Move the probing of PCI devices to setup.c and put them all into the flattened device tree. The later probing is now done by traversing the device tree. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: reintroduce HvCallPci_configLoad32Stephen Rothwell1-0/+19
This function was removed during iSeries cleanup but will prove useful in the following patches. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-24[PATCH] powerpc: tidy up iseries/pci.cStephen Rothwell1-67/+11
Remove some unused counters. No need to allocate iomm_table and iobar_table, which means that iomm_table_initialize is not longer needed. Use kzalloc where sensible. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-19[PATCH] powerpc: Unify mem= handlingMichael Ellerman1-22/+0
We currently do mem= handling in three seperate places. And as benh pointed out I wrote two of them. Now that we parse command line parameters earlier we can clean this mess up. Moving the parsing out of prom_init means the device tree might be allocated above the memory limit. If that happens we'd have to move it. As it happens we already have logic to do that for kdump, so just genericise it. This also means we might have reserved regions above the memory limit, if we do the bootmem allocator will blow up, so we have to modify lmb_enforce_memory_limit() to truncate the reserves as well. Tested on P5 LPAR, iSeries, F50, 44p. Tested moving device tree on P5 and 44p and F50. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-19[PATCH] powerpc: update iSeries viocd and viotape device-treeStephen Rothwell1-4/+4
Make their device_type entries more generic and their compatible entries more specific. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-19[PATCH] powerpc: update iSeries vdeviceStephen Rothwell1-2/+3
Make it look more like the pSeries vdevice tree. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-19[PATCH] powerpc: update iSeries viodasd device-tree entriesStephen Rothwell1-2/+2
These devices should have device_type block and a unique compatible entry. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-05-19[PATCH] powerpc: update iseries_veth device-tree informationStephen Rothwell1-3/+5
Make the device-tree information more generic and more like the pSeries virtual lan device. Also use the MAC address from the device tree. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-29[PATCH] powerpc: kill union tce_entryOlof Johansson1-11/+10
It's been long overdue to kill the union tce_entry in the pSeries/iSeries TCE code, especially since I asked the Summit guys to do it on the code they copied from us. Also, while I was at it, I cleaned up some whitespace. Built and booted on pSeries, built on iSeries. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-29[PATCH] powerpc: merge the rest of the vio codeStephen Rothwell5-106/+2
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-29[PATCH] powerpc: use a common vio_match_device routineStephen Rothwell2-17/+5
This requires the compatible properties having vaules that are empty strings instead of just being empty properties. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-29[PATCH] powerpc: use the device tree for the iSeries vio bus probeStephen Rothwell2-61/+13
As an added bonus, since every vio_dev now has a device_node associated with it, hotplug now works. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-29[PATCH] powerpc: add all the iSeries virtual devices to the device treeStephen Rothwell2-2/+88
We do this by putting them in the flattened device tree at setup time. This required the flattened device tree blob to be made bigger. Currenly we don't do anything with these. Also make a function static. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-22[PATCH] powerpc: Remove stale iseries globalOlof Johansson2-13/+1
Not even the iSeries maintainer seems to have access to this legendary piranha simulator. It adds a bit of ugliness in the common time init code, and if it's no longer used we might as well be done with it and remove the bloat. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-22[PATCH] powerpc: Don't print chosen idle loop at every bootOlof Johansson1-2/+2
No need to write out what idle loop is used on every boot. Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-22[PATCH] powerpc: remove io_page_maskAnton Blanchard1-3/+0
Cleanup patch which removes the io_page_mask. It fixes the reset on some e1000 devices which is needed for clean kexec reboots. The legacy devices which broke with this patch (parallel port and PC speaker) have now been fixed in Linus' tree. Signed-off-by: Anton Blanchard <anton@samba.org> Acked-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-04powerpc: iSeries has only 256 IRQsStephen Rothwell1-0/+7
The iSeries Hypervisor only allows us to specify IRQ numbers up to 255 (it has a u8 field to pass it in). This patch allows platforms to specify a maximum to the virtual IRQ numbers we will use and has iSeries set that to 255. If not set, the maximum is NR_IRQS - 1 (as before). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2006-03-28[PATCH] powerpc: Kill _machine and hard-coded platform numbersBenjamin Herrenschmidt1-4/+5
This removes statically assigned platform numbers and reworks the powerpc platform probe code to use a better mechanism. With this, board support files can simply declare a new machine type with a macro, and implement a probe() function that uses the flattened device-tree to detect if they apply for a given machine. We now have a machine_is() macro that replaces the comparisons of _machine with the various PLATFORM_* constants. This commit also changes various drivers to use the new macro instead of looking at _machine. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-28[PATCH] powerpc: Rename and export ppc64_firmware_featuresMichael Ellerman1-2/+2
We need to export ppc64_firmware_features for modules. Before we do that I think we should probably rename it to powerpc_firmware_features. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Add bootargs to /chosenMichael Ellerman1-0/+1
Add the command line args to the device tree as /chosen/bootargs. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Add /system-id, /model and /compatibleMichael Ellerman1-0/+20
Add /system-id, /model and /compatible to the iSeries device tree. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Make more stuff static in platforms/iseries/mf.cMichael Ellerman1-39/+39
Make mf_get_rtc(), mf_get_boot_rtc() and mf_set_rtc() static, cause they can be. We need to move mf_set_rtc() to avoid a forward declaration. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: Remove pointless iSeries_(restart|power_off|halt)Michael Ellerman2-28/+4
These routines just call through to the mf routines, so point ppc_md straight at the mf routines. We need to pass the cmd through to mf_reboot to make it work, but that seems reasonable. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: iseries: mf related cleanupsMichael Ellerman2-19/+24
Some cleanups in the iSeries code. - Make mf_display_progress() check mf_initialized rather than the caller. - Set mf_initialized in mf_init() rather than in setup.c - Then move mf_initialized into mf.c, the only place it's used. - Move the mf related logic from iSeries_progress() to mf_display_progress() - Use a #define to size the pending_event_prealloc array - Use that define in the initialsation loop rather than sizeof jiggery pokery - Remove stupid comment(s) - Mark stuff static and/or __init Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-03-22[PATCH] powerpc: Replace platform_is_lpar() with a firmware featureMichael Ellerman1-3/+7
It has been decreed that platform numbers are evil, so as a step in that direction, replace platform_is_lpar() with a FW_FEATURE_LPAR bit. Currently FW_FEATURE_LPAR really means i/pSeries LPAR, in the future we might have to clean that up if we need to be more specific about what LPAR actually means. But that's another patch ... Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-02-24[PATCH] powerpc: Fix runlatch performance issuesAnton Blanchard1-0/+1
The runlatch SPR can take a lot of time to write. My original runlatch code would set it on every exception entry even though most of the time this was not required. It would also continually set it in the idle loop, which is an issue on an SMT capable processor. Now we cache the runlatch value in a threadinfo bit, and only check for it in decrementer and hardware interrupt exceptions as well as the idle loop. Boot on POWER3, POWER5 and iseries, and compile tested on pmac32. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-02-23[PATCH] powerpc: Initialise hvlpevent_queue.lock correctlyMichael Ellerman1-0/+2
When I changed the hvlpevent_queue code to use a spinlock instead of a custom atomic (719d1cd86780c156f954fc34f34481adac197aec) I didn't initialise the lock anywhere, oops. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-13[PATCH] powerpc: Remove lppaca structure from the PACADavid Gibson4-10/+9
At present the lppaca - the structure shared with the iSeries hypervisor and phyp - is contained within the PACA, our own low-level per-cpu structure. This doesn't have to be so, the patch below removes it, making a separate array of lppaca structures. This saves approximately 500*NR_CPUS bytes of image size and kernel memory, because we don't need aligning gap between the Linux and hypervisor portions of every PACA. On the other hand it means an extra level of dereference in many accesses to the lppaca. The patch also gets rid of several places where we assign the paca address to a local variable for no particular reason. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-12[PATCH] powerpc: clean up iommu.h a bitStephen Rothwell4-0/+40
There was a function declared for CONFIG_PSERIES which no longer exists and the two function declarations for CONFIG_ISERIES have been moved into an include file in platforms/iseries since they are defined and used only there. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-12[PATCH] powerpc: iSeries fixes for build with no PCIStephen Rothwell2-2/+8
This reverts part of "ppc64 iSeries: allow build with no PCI" (145d01e4287b8cbf50f87c3283e33bf5c84e8468) which affected generic code and applies a fix in the arch specific code. Commit "partly merge iseries do_IRQ" (5fee9b3b39eb55c7e3619a3b36ceeabffeb8f144) introduced iSeries_get_irq which was only available if CONFIG_PCI is set. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-12[PATCH] powerpc: eliminate bitfields from ItLpNacaStephen Rothwell1-4/+1
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-12[PATCH] powerpc: remove bitfields from HvLpEventStephen Rothwell4-37/+16
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-11[PATCH] powerpc: Remove redundant setting of htab_addressMichael Ellerman1-6/+0
iSeries doesn't need to set the htab_address explicitly, htab_initialize() will do it for us later. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-11[PATCH] powerpc: Add ibm,pft-size to iSeries device treeMichael Ellerman1-2/+11
To make iSeries just a teensy bit less special, create ibm,pft-size properties in the iSeries device tree. We can then rely on htab_dt_scan_pftsize() to set ppc64_pft_size for us. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-11[PATCH] powerpc: Early debugging support for iSeriesMichael Ellerman1-3/+15
Connect iSeries up to the standard early debugging infrastructure. To actually use this you need to enable the iSeries early debugging in setup_64.c. Then after the messages are logged hit Ctrl-x Ctrl-x on your console to dump the Hypervisor console buffer. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-09[PATCH] powerpc: Remove ItLpRegSave area from the pacaDavid Gibson1-0/+7
On iSeries, the paca contains, amongst other things an ItLpRegSave structure used by the hypervisor to save registers. The hypervisor locates this area through a pointer at the beginning of the paca, so the structure itself can be located elsewhere. This patch moves the reg_save area out into its own array. This reduces the amount of iSeries specific gunk which is visible to general powerpc code via paca.h Built and booted on POWER5 LPAR and iSeries RS64. Signed-off-by: David Gibson <dwg@au1.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-09powerpc: more iseries irq workStephen Rothwell1-20/+33
Make get_IRQ return a pending irq number so it can be handled in the powerpc geeneric code. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2006-01-09powerpc: partly merge iseries do_IRQStephen Rothwell3-10/+28
Hide some of the iseries details in iSeries_get_irq. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
2006-01-09powerpc: use end_IRQ for iseries irqsStephen Rothwell1-11/+10
Encode the sub bus number into the real irq number (even though it is always zero for now) so that we have enough information to do the EOI in iseries_end_IRQ. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
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