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* sched: remove printk_clock references from ia64Ingo Molnar2008-01-251-11/+0
| | | | | | remove remaining printk_clock references from ia64. Signed-off-by: Ingo Molnar <mingo@elte.hu>
* [IA64] Remove a few duplicate includesJesper Juhl2007-07-301-1/+0
| | | | | | | | This patch removes a few duplicate includes from arch/ia64/ Acked-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Yet another section mismatch warningTony Luck2007-05-181-1/+1
| | | | | | | | | | reference to .init.data: from .text between 'sn_cpu_init' (at offset 0x1411) and 'nasid_slice_to_cpuid' reference to .init.data: from .text between 'sn_cpu_init' (at offset 0x1420) and 'nasid_slice_to_cpuid' The offending .init.data object is shub_1_1_found which should be declared in __cpuinitdata, not in __initdata Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] spelling fixes: arch/ia64/Simon Arlott2007-05-111-1/+1
| | | | | | | Spelling and apostrophe fixes in arch/ia64/. Signed-off-by: Simon Arlott <simon@fire.lp0.eu> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Altix: ioremap vga_console_iobaseJohn Keller2007-03-201-3/+3
| | | | | | | | | | | | | | When booting an SN system without specifing a console (i.e., no "console=" on boot line), the system will hang during boot at the point where /sbin/init is run. The problem is that vga_console_iobase is not converted to a virtual address before storing in io_space[0].mmio_base. The conversion was happening in sn_scan_pcdp(), but not in setup_vga_console(). Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* ACPI: Altix: reinitialize acpi tablesJohn Keller2007-03-011-0/+2
| | | | | | | | | | | | | | | | | | | | | To provide compatibilty with SN kernels that do and do not have ACPI IO support, the SN PROM must build different versions of some ACPI tables based on which kernel is booting. As such, the tables may have to change at kernel boot time. By default, prior to kernel boot, the PROM builds an empty DSDT (header only) and no SSDTs. If an ACPI capable kernel boots, the kernel will notify the PROM, at platform setup time, and the PROM will build full DSDT and SSDT tables. With the latest changes to acpi_table_init(), the table lengths are saved, and when our PROM changes them, the changes are not seen, and the kernel will crash on boot. Because of issues with kexec support, we are not able to create the tables prior to acpi_table_init(). As a result, we are making a second call to acpi_table_init() to process the rebuilt DSDT and SSDTs. Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Len Brown <len.brown@intel.com>
* [IA64] Do not call SN_SAL_SET_CPU_NUMBER twice on cpu 0Jay Lan2006-12-121-2/+10
| | | | | | | | | | | | | | | | This is an SN specific patch. Architectually, cpu_init is always called twice on cpu 0 and thus resulted in two SN_SAL_SET_CPU_NUMBER calls. This was harmless in production kernel; however, it can cause problem on booting up a crashdump kernel at Altix. Here is the patch that detects the second sn_cpu_init call and skips the second call to SN_SAL_SET_CPU_NUMBER. Signed-Off-By: Jay Lan <jlan@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] IA64 Kexec/kdumpZou Nan hai2006-12-071-0/+8
| | | | | | | | | | | | | | | Changes and updates. 1. Remove fake rendz path and related code according to discuss with Khalid Aziz. 2. fc.i offset fix in relocate_kernel.S. 3. iospic shutdown code eoi and mask race fix from Fujitsu. 4. Warm boot hook in machine_kexec to SN SAL code from Jack Steiner. 5. Send slave to SAL slave loop patch from Jay Lan. 6. Kdump on non-recoverable MCA event patch from Jay Lan 7. Use CTL_UNNUMBERED in kdump_on_init sysctl. Signed-off-by: Zou Nan hai <nanhai.zou@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Altix: Add initial ACPI IO supportJohn Keller2006-12-011-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | First phase in introducing ACPI support to SN. In this phase, when running with an ACPI capable PROM, the DSDT will define the root busses and all SN nodes (SGIHUB, SGITIO). An ACPI bus driver will be registered for the node devices, with the acpi_pci_root_driver being used for the root busses. An ACPI vendor descriptor is now used to pass platform specific information for both nodes and busses, eliminating the need for the current SAL calls. Also, with ACPI support, SN fixup code is no longer needed to initiate the PCI bus scans, as the acpi_pci_root_driver does that. However, to maintain backward compatibility with non-ACPI capable PROMs, none of the current 'fixup' code can been deleted, though much restructuring has been done. For example, the bulk of the code in io_common.c is relocated code that is now common regardless of what PROM is running, while io_acpi_init.c and io_init.c contain routines specific to an ACPI or non ACPI capable PROM respectively. A new pci bus fixup platform vector has been created to provide a hook for invoking platform specific bus fixup from pcibios_fixup_bus(). The size of io_space[] has been increased to support systems with large IO configurations. Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [IA64] remove unused acpi_kbd_controller_present, acpi_legacy_devicesBjorn Helgaas2006-10-171-12/+0
| | | | | | | Nobody uses either one anymore. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] SN fix for cpu hotplug/kexecJack Steiner2006-09-081-1/+1
| | | | | | | | The sn_cpu_init() is required for cpu initialization on SN platforms. Change __init to __cpuinit so that the function is not freed with init code/data. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [PATCH] tty: Remove include of screen_info.h from tty.hJon Smirl2006-07-101-1/+1
| | | | | | | | | | | | | | | | screen_info.h doesn't have anything to do with the tty layer and shouldn't be included by tty.h. This patches removes the include and modifies all users to directly include screen_info.h. struct screen_info is mainly used to communicate with the console drivers in drivers/video/console. Note that this patch touches every arch and I have no way of testing it. If there is a mistake the worst thing that will happen is a compile error. [akpm@osdl.org: fix arm build] [akpm@osdl.org: fix alpha build] Signed-off-by: Jon Smirl <jonsmir@gmail.com> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [IA64-SGI] fix prom revision checks in SN kernelAaron Young2006-06-281-1/+1
| | | | | | | | | | | The following patch fixes two spots in the SN kernel that check a fixed prom revision number to determine prom feature support. These checks are only valid on shub1 systems. They are invalid on shub2 systems which have a different prom with different revision numbers. Signed-off-by: Aaron Young <ayoung@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] - Pass OS logical cpu number to the SN prom (bios)Jack Steiner2006-06-281-2/+8
| | | | | | | | Pass the OS logical cpu number to the PROM. This allows PROM to log the OS logical cpu number in error records viewed thru POD. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [PATCH] Unify pxm_to_node() and node_to_pxm()Yasunori Goto2006-06-231-2/+2
| | | | | | | | | | | | | Consolidate the various arch-specific implementations of pxm_to_node() and node_to_pxm() into a single generic version. Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@muc.de> Cc: Dave Hansen <haveblue@us.ibm.com> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] EFI: keep physical table addresses in efi structureBjorn Helgaas2006-03-261-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | Almost all users of the table addresses from the EFI system table want physical addresses. So rather than doing the pa->va->pa conversion, just keep physical addresses in struct efi. This fixes a DMI bug: the efi structure contained the physical SMBIOS address on x86 but the virtual address on ia64, so dmi_scan_machine() used ioremap() on a virtual address on ia64. This is essentially the same as an earlier patch by Matt Tolentino: http://marc.theaimsgroup.com/?l=linux-kernel&m=112130292316281&w=2 except that this changes all table addresses, not just ACPI addresses. Matt's original patch was backed out because it caused MCAs on HP sx1000 systems. That problem is resolved by the ioremap() attribute checking added for ia64. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Matt Domsch <Matt_Domsch@dell.com> Cc: "Tolentino, Matthew E" <matthew.e.tolentino@intel.com> Cc: "Brown, Len" <len.brown@intel.com> Cc: Andi Kleen <ak@muc.de> Acked-by: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Pull sn2-mmio-writes into release branchTony Luck2006-03-211-2/+4
|\ | | | | | | | | | | | | Hand-fixed conflicts: include/asm-ia64/machvec_sn2.h Signed-off-by: Tony Luck <tony.luck@intel.com>
| * [IA64] hooks to wait for mmio writes to drain when migrating processesBrent Casavant2006-01-261-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On SN2, MMIO writes which are issued from separate processors are not guaranteed to arrive in any particular order at the IO hardware. When performing such writes from the kernel this is not a problem, as a kernel thread will not migrate to another CPU during execution, and mmiowb() calls can guarantee write ordering when control of the IO resource is allowed to move between threads. However, when MMIO writes can be performed from user space (e.g. DRM) there are no such guarantees and mechanisms, as the process may context-switch at any time, and may migrate to a different CPU as part of the switch. For such programs/hardware to operate correctly, it is required that the MMIO writes from the old CPU be accepted by the IO hardware before subsequent writes from the new CPU can be issued. The following patch implements this behavior on SN2 by waiting for a Shub register to indicate that these writes have been accepted. This is placed in the context switch-in path, and only performs the wait when the newly scheduled task changes CPUs. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Brent Casavant <bcasavan@sgi.com>
* | [IA64-SGI] fix the size of __sn_cnodeid_to_nasidDean Roe2006-02-151-1/+1
| | | | | | | | | | | | | | | | | | The __sn_cnodeid_to_nasid array was incorrectly sized at MAX_NUMNODES. On a large system, this array could overflow. The following patch corrects this by defining it to MAX_COMPACT_NODES. Signed-off-by: Dean Roe <roe@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64-SGI] remove compile time warningJes Sorensen2006-02-151-0/+2
| | | | | | | | | | | | | | This one falls into the "present for Andrew Morton" category to address his wishlist for a compiler warning free build ;-) Signed-off-by: Tony Luck <tony.luck@intel.com>
* | Merge branch 'release' of ↵Linus Torvalds2006-02-081-13/+27
|\ \ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
| * | [IA64] Fix CONFIG_PRINTK_TIMETony Luck2006-02-071-13/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There were two problems with enabling the PRINTK_TIME config option: 1) The first calls to printk() occur before per-cpu data virtual address is pinned into the TLB, so sched_clock() can fault. 2) sched_clock() is based on ar.itc, which may not be synchronized across cpus. Ken Chen started this patch, Tony Luck tinkered with it, and Jes Sorensen perfected it. Signed-off-by: Tony Luck <tony.luck@intel.com>
* | | [PATCH] drive_info removal outside of arch/i386Al Viro2006-02-071-14/+0
|/ / | | | | | | | | | | drive_info is used only by hd.c and that happens under #ifdef __i386__. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* | [IA64-SGI] sn2 housekeepingJes Sorensen2006-02-021-7/+12
|/ | | | | | | | | | | Maintenance patch: - Add missing __init calls - Do not zero initialize global variables - No need to typecast function call returns to void - Some formatting Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] set altix preferred consoleMark Maule2005-11-111-4/+153
| | | | | | | | | | | | | Fix default VGA console on SN platforms. Since SN firmware does not pass enough ACPI information to identify VGA cards and the associated legacy IO/MEM addresses, we rely on the EFI PCDP table. Since the linux pcdp driver is optional (and overridden if console= directives are used) SN duplicates a portion of the pcdp scan code to identify if there is a usable console VGA adapter. Additionally, dup necessary pcdp related structs to avoid dragging drivers/pcdp.h into a more public location. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] Cleanup use of various #defines related to nodesJack Steiner2005-09-151-109/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of the SN code & #defines related to compact nodes & IO discovery have gotten stale over the years. This patch attempts to clean them up. Some of the various SN MAX_xxx #defines were also unclear & misused. The primary changes are: - use MAX_NUMNODES. This is the generic linux #define for the number of nodes that are known to the generic kernel. Arrays & loops for constructs that are 1:1 with linux-defined nodes should use the linux #define - not an SN equivalent. - use MAX_COMPACT_NODES for MAX_NUMNODES + NUM_TIOS. This is the number of nodes in the SSI system. Compact nodes are a hack to get around the IA64 architectural limit of 256 nodes. Large SGI systems have more than 256 nodes. When we upgrade to ACPI3.0, I _hope_ that all nodes will be real nodes that are known to the generic kernel. That will allow us to delete the notion of "compact nodes". - add MAX_NUMALINK_NODES for the total number of nodes that are in the numalink domain - all partitions. - simplified (understandable) scan_for_ionodes() - small amount of cleanup related to cnodes Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Pull sn-features into release branchTony Luck2005-09-111-11/+19
|\
| * [IA64-SGI] Add new vendor-specific SAL calls for:Jack Steiner2005-08-311-11/+19
| | | | | | | | | | | | | | | | | | | | | | | | - notifying the PROM of specific features that are supported by the OS. This is used to enable PROM feature if and only if the corresponding feature is implemented in the OS - fetch feature sets that are supported by the current PROM. This allows the OS to selectively enable features when the PROM support is available. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64] Increase max physical address for SN platformsJack Steiner2005-09-081-1/+1
| | | | | | | | | | | | | | Increase the value for the maximum physical address on SN systems. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64] SGI SN remove redundant partition SAL callRuss Anderson2005-08-241-2/+0
| | | | | | | | | | | | | | | | | | | | Clean up of SGI SN partitioning related code. The SN_SAL_GET_SN_INFO SAL call returns the partition ID, making the SN_SAL_SYSCTL_PARTITION_GET SAL call redundant. Remove sn_partid and use sn_partition_id. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64-SGI] - New SN hardware support - ptc_fixesJack Steiner2005-08-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Shub2 provides a much improved mechanism for issuing internode TLB purges. Add code to support the newer mechanism. There is also some debug code (disabled) that is useful for testing. Collect statistics on the number, type & duration of TLB purges. This data will be useful for making future improvements in the algorithms. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* | [IA64-SGI] - New SN hardware support - boot_init_shub2Jack Steiner2005-08-171-2/+2
|/ | | | | | | | | Update the addresses of the pio_write_status_addr so that they are correct for newer processors. Shub2 did not number the threads in the order that I had expected. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] hotplug/ia64: SN Hotplug Driver - new SN PROM version codePrarit Bhargava2005-07-061-7/+6
| | | | | | | | | This patch is a rewrite of the code to check the PROM version. The current code has some deficiences in the way PROM comparisons were made. The minimum value of PROM that will boot has also been changed to 4.04. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] - new macros for SGI SN simulator Jack Steiner2005-06-281-8/+19
| | | | | | | | This patch changes some macros that are used when running kernel on the SGI simulator. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] altix: enable vgacon supportMark Maule2005-06-281-6/+10
| | | | | | | | | | Altix patch to enable use of vgacon driver on that platform. Depends on the PCDP generalization patch discussed at: http://marc.theaimsgroup.com/?l=linux-ia64&m=111446235101939&w=2 Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64] fix setting of sn_hub_info->shub_1_1_foundDean Nelson2005-06-031-2/+2
| | | | | | | | Fix a bug in which shub_1_1_found is not being properly initialized or set, resulting in the improper setting of sn_hub_info->shub_1_1_found. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IS64-SGI] Set Altix error handling featuresRuss Anderson2005-05-171-0/+2
| | | | | | | | | The 2.6 kernel has CPE error thresholding. This patch lets SAL know of this error handling feature. The changes are SN specific. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] move nodepda pointer out of pdaDean Nelson2005-05-041-2/+7
| | | | | | | | | Remove the p_nodepda and p_subnodepda pointers from the pda_s structure. And then define a new per-cpu pointer to the nodepda and export it so that it can be accessed by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [PATCH] move cnodeid_to_nasid_table out of pdaDean Nelson2005-05-031-14/+17
| | | | | | | | | | Another step in the effort to eliminate the SN pda structure. This patch moves the cnodeid_to_nasid_table field out of the pda, making it a standalone per-cpu data item, and exports it so it can be accessed by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* [IA64-SGI] Altix: enable poweroffAaron J Young2005-04-251-0/+9
| | | | | | | | | | | | | | | | | This patch adds the necessary "hook" to allow SGI/SN machines to perform a system power off upon a 'init 0', 'halt -p', 'poweroff' or 'shutdown -h'. The "hook" is to set the pm_power_off callback to ia64_sn_power_down(). pm_power_off is checked in machine_power_off()/do_poweroff() and, if set, is executed. ia64_sn_power_down() is a function already present (but not used currently) in the sn kernel. ia64_sn_power_down() makes a SAL call to execute the power off. Signed-off-by: Aaron J Young <ayoung@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* Linux-2.6.12-rc2Linus Torvalds2005-04-161-0/+621
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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