Commit Graph

9769 Commits

Author SHA1 Message Date
Stuart Menefy
b5a1bcbee4 sh: Set up correct siginfo structures for page faults.
Remove the previous saving of fault codes into the thread_struct
as they are never used, and appeared to be inherited from x86.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:38 +09:00
Stuart Menefy
f0bc814cfb sh: gcc4 support.
This fixes up the kernel for gcc4. The existing exception handlers
needed some wrapping for pt_regs access, acessing the registers
via a RELOC_HIDE() pointer.

The strcpy() issues popped up here too, so add -ffreestanding and
kill off the symbol export.

Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:38 +09:00
Paul Mundt
53644087a6 sh: Explicit endian selection support.
Previously big endian was simply assumed if little endian was
not set, which led to some cflags ordering issues. There's not
much point to not having a big endian option, so shove one in
a choice and wire it up in the Makefile.

This lets us clean up some of the cflags ordering while we're
at it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:38 +09:00
Paul Mundt
52e27782e1 sh: p3map_sem sem2mutex conversion.
Simple sem2mutex conversion for the p3map semaphores.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
21440cf04a sh: Preliminary support for SH-X2 MMU.
This adds some preliminary support for the SH-X2 MMU, used by
newer SH-4A parts (particularly SH7785).

This MMU implements a 'compat' mode with SH-X MMUs and an
'extended' mode for SH-X2 extended features. Extended features
include additional page sizes (8kB, 4MB, 64MB), as well as the
addition of page execute permissions.

The extended mode attributes are placed in a second data array,
which requires us to switch to 64-bit PTEs when in X2 mode.

With the addition of the exec perms, we also overhaul the mmap
prots somewhat, now that it's possible to handle them more
intelligently.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
b552c7e8bc sh: Hook SH7785 in to the build system.
Simple 7785 placeholders to start hooking up other bits of code.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
9a7ef6d59f sh: Drop CPU subtype IRQ headers.
This drops the various IRQ headers that were floating around
and primarily providing hardcoded IRQ definitions for the
various CPU subtypes. This quickly got to be an unmaintainable
mess, made even more evident by the subtle breakage introduced
by the SH-2 and SH-2A changes.

Now that subtypes are able to register IRQ maps directly, just
rip all of the headers out.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
417528a2e3 sh: Configurable timer IRQ.
All of the various CPU subtypes currently hardcode TIMER_IRQ,
switch this to a config option in the few places we need this.

This allows further removal of hardcoded IRQ headers..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
716067f289 sh: Fixup entry-common path breakage for SH-3.
The nommu patches broke the path for the common bits, get it building
for the SH-3/4 case again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Paul Mundt
710ee0cc45 sh: SE7206 build fixes.
A number of API changes happened underneath the 7206 patches, update
for everything that broke.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Yoshinori Sato
f36af3fd37 sh: Add support for Solution Engine 7206 and 7619 boards.
This adds support for the Solution Engine 7206 and 7619.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:37 +09:00
Yoshinori Sato
de39840646 sh: Exception vector rework and SH-2/SH-2A support.
This splits out common bits from the existing exception handler for
use between SH-2/SH-2A and SH-3/4, and adds support for the SH-2/2A
exceptions.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:36 +09:00
Yoshinori Sato
0983b31849 sh: Wire up division and address error exceptions on SH-2A.
SH-2A has special division hardware as opposed to a full-fledged FPU,
wire up the exception handlers for this.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:36 +09:00
Yoshinori Sato
9d4436a6fb sh: Add support for SH7206 and SH7619 CPU subtypes.
This implements initial support for the SH7206 (SH-2A) and SH7619
(SH-2) MMU-less CPUs.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:36 +09:00
David Howells
6d5aefb8ea WorkQueue: Fix up arch-specific work items where possible
Fix up arch-specific work items where possible to use the new work_struct and
delayed_work structs.

Three places that enqueue bits of their stack and then return have been marked
with #error as this is not permitted.

Signed-Off-By: David Howells <dhowells@redhat.com>
2006-12-05 19:36:26 +00:00
David Howells
9db7372445 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:

	drivers/ata/libata-scsi.c
	include/linux/libata.h

Futher merge of Linus's head and compilation fixups.

Signed-Off-By: David Howells <dhowells@redhat.com>
2006-12-05 17:01:28 +00:00
David Howells
4c1ac1b491 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:

	drivers/infiniband/core/iwcm.c
	drivers/net/chelsio/cxgb2.c
	drivers/net/wireless/bcm43xx/bcm43xx_main.c
	drivers/net/wireless/prism54/islpci_eth.c
	drivers/usb/core/hub.h
	drivers/usb/input/hid-core.c
	net/core/netpoll.c

Fix up merge failures with Linus's head and fix new compilation failures.

Signed-Off-By: David Howells <dhowells@redhat.com>
2006-12-05 14:37:56 +00:00
Linus Torvalds
91f433cacc Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Cleanup memory barriers for weakly ordered systems.
  [MIPS] Alchemy: Automatically enable CONFIG_RESOURCES_64BIT for PCI configs.
  [MIPS] Unify csum_partial.S
  [MIPS] SWARM: Fix a typo in #error directives
  [MIPS] Fix atomic.h build errors.
  [MIPS] Use SYSVIPC_COMPAT to fix various problems on N32
  [MIPS] klconfig add missing bracket
2006-12-04 19:23:34 -08:00
Linus Torvalds
15a4cb9c25 Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (194 commits)
  [POWERPC] Add missing EXPORTS for mpc52xx support
  [POWERPC] Remove obsolete PPC_52xx and update CLASSIC32 comment
  [POWERPC] ps3: add a default zImage target
  [POWERPC] Add of_platform_bus support to mpc52xx psc uart driver
  [POWERPC] typo fix and whitespace cleanup on mpc52xx-uart driver
  [POWERPC] Fix debug printks for 32-bit resources in the PCI code
  [POWERPC] Replace kmalloc+memset with kzalloc
  [POWERPC] Linkstation / kurobox support
  [POWERPC] Add the e300c3 core to the CPU table.
  [POWERPC] ppc: m48t35 add missing bracket
  [POWERPC] iSeries: don't build head_64.o unnecessarily
  [POWERPC] iSeries: stop dt_mod.o being rebuilt unnecessarily
  [POWERPC] Fix cputable.h for combined build
  [POWERPC] Allow CONFIG_BOOTX_TEXT on iSeries
  [POWERPC] Allow xmon to build on legacy iSeries
  [POWERPC] Change ppc64_defconfig to use AUTOFS_V4 not V3
  [POWERPC] Tell firmware we can handle POWER6 compatible mode
  [POWERPC] Clean images in arch/powerpc/boot
  [POWERPC] Fix OF pci flags parsing
  [POWERPC] defconfig for lite5200 board
  ...
2006-12-04 19:22:33 -08:00
Grant Likely
d8594d6391 [POWERPC] Add missing EXPORTS for mpc52xx support
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-05 11:34:37 +11:00
Grant Likely
650f3289f4 [POWERPC] Remove obsolete PPC_52xx and update CLASSIC32 comment
The support for the 52xx-based systems is now included under
CONFIG_CLASSIC32, since the 52xx chips have a 603e-based core.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-05 11:33:53 +11:00
Geoff Levand
8a8944aab2 [POWERPC] ps3: add a default zImage target
Add a powerpc make target that can be loaded by the ps3 bootloader (kboot) and
set this as the default image to build for that platform.

Until the compressed zImage wrapper is made, this arranges for a stripped
vmlinux image to be built.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-05 11:28:17 +11:00
Ralf Baechle
0004a9dfea [MIPS] Cleanup memory barriers for weakly ordered systems.
Also the R4000 / R4600 LL/SC instructions imply a sync so no explicit sync
needed.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-04 22:43:14 +00:00
Ralf Baechle
08f57f7ffe [MIPS] Alchemy: Automatically enable CONFIG_RESOURCES_64BIT for PCI configs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-04 22:43:13 +00:00
Atsushi Nemoto
0bcdda0f3a [MIPS] Unify csum_partial.S
The 32-bit version and 64-bit version are almost equal.  Unify them.  This
makes further improvements (for example, copying with parallel, supporting
PREFETCH, etc.) easier.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-04 22:43:13 +00:00
Maciej W. Rozycki
03dbd2e0b1 [MIPS] SWARM: Fix a typo in #error directives
This is a fix for a typo repeated several times in #error directives for
invalid SiByte configurations.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-04 22:43:13 +00:00
Atsushi Nemoto
05e4396651 [MIPS] Use SYSVIPC_COMPAT to fix various problems on N32
N32 SysV IPC system calls should use 32-bit compatible code.
arch/mips/kernel/linux32.c have similar compatible code for O32, but
ipc/compat.c seems more complete.  We can use it for both N32 and O32.

This patch should fix these problems (and other possible problems):

http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=1149188824.6986.6.camel%40diimka-laptop
http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=44C6B829.8050508%40caviumnetworks.com

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-04 22:43:12 +00:00
Linus Torvalds
9b8ab9f6c3 Merge branch 'for-linus4' of master.kernel.org:/pub/scm/linux/kernel/git/viro/bird
* 'for-linus4' of master.kernel.org:/pub/scm/linux/kernel/git/viro/bird:
  [PATCH] severing poll.h -> mm.h
  [PATCH] severing skbuff.h -> mm.h
  [PATCH] severing skbuff.h -> poll.h
  [PATCH] severing skbuff.h -> highmem.h
  [PATCH] severing uaccess.h -> sched.h
  [PATCH] severing fs.h, radix-tree.h -> sched.h
  [PATCH] severing module.h->sched.h
2006-12-04 10:37:06 -08:00
Linus Torvalds
07704eb29a Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (34 commits)
  [S390] Don't use small stacks when lockdep is used.
  [S390] cio: Use device_reprobe() instead of bus_rescan_devices().
  [S390] cio: Retry internal operations after vary off.
  [S390] cio: Use path verification for last path gone after vary off.
  [S390] non-unique constant/macro identifiers.
  [S390] Memory detection fixes.
  [S390] cio: Make ccw_dev_id_is_equal() more robust.
  [S390] Convert extmem spin_lock into a mutex.
  [S390] set KBUILD_IMAGE.
  [S390] lockdep: show held locks when showing a stackdump
  [S390] Add dynamic size check for usercopy functions.
  [S390] Use diag260 for memory size detection.
  [S390] pfault code cleanup.
  [S390] Cleanup memory_chunk array usage.
  [S390] Misaligned wait PSW at memory detection.
  [S390] cpu shutdown rework
  [S390] cpcmd <-> __cpcmd calling issues
  [S390] Bad kexec control page allocation.
  [S390] Reset infrastructure for re-IPL.
  [S390] Some documentation typos.
  ...
2006-12-04 08:29:45 -08:00
Greg Ungerer
d773c66097 [PATCH] m68knommu: remove __rom_end from 68360 startup code
Remove use of __rom_end symbol all together. This helps clean out the
miscellaneous symbols lying around in the m68knommu linker script.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:12 -08:00
Michael Broughton
5529840509 [PATCH] m68knommu: auto detect memory size on M5208EVB board
Here is a small patch to automatically detect the DRAM size on m520x.
It was generated against 2.6.17-uc0, and tested on an Intec 5208 dev board.

Signed-off-by: Michael Broughton <mbobowik@telusplanet.net>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:12 -08:00
David Wu
1bddcc50c2 [PATCH] m68knommu: add SHM support
It turns out SHMAT, SHMDT, SHMGET and SHMCTL support in sys_ipc() for
m68knommu in 2.6 kernel(uClinux-dist-20060803 release) is missing.
(copied from m68k sources, report by David Wu <davidwu@arcturusnetworks.com>)

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:11 -08:00
Greg Ungerer
329237c12b [PATCH] m68knommu: add printk level for stack dump
Specify printk level in m68knommu stack dump code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:11 -08:00
Greg Ungerer
19127e2bf9 [PATCH] m68knommu: add printk level for oops dumps
Specify printk level in m68knommu oops dump code.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:11 -08:00
Adrian Bunk
1b9552af94 [PATCH] m68knommu: fix compile when CONFIG_BLK_DEV_INITRD=n
This patch fixes the following compile error with
CONFIG_BLK_DEV_INITRD=n and -Werror-implicit-function-declaration:

  ...
    CC      arch/m68knommu/kernel/setup.o
  /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/arch/m68knommu/kernel/setup.c: In function 'setup_arch':
  /home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/arch/m68knommu/kernel/setup.c:268: error: implicit declaration of function 'paging_init'
  make[2]: *** [arch/m68knommu/kernel/setup.o] Error 1

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:11 -08:00
Greg Ungerer
6869e940c2 [PATCH] m68knommu: formatting cleanup in Kconfig
Formatting and a spelling cleanup in m68knommu Kconfig.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-04 08:26:11 -08:00
Heiko Carstens
74f8f557fd [S390] Don't use small stacks when lockdep is used.
The lock dependency validator adds a bunch of extra stack frames to
the stack, which can cause stack overflows. Especially seen on 31 bit
where the small stack is only 4k.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:41:10 +01:00
Heiko Carstens
8b62bc9642 [S390] Memory detection fixes.
VMALLOC_END on 31bit should be 0x8000000UL instead of 0x7fffffffL.
The page mask which is used to make sure memory_end is on 4MB/2MB
boundary is wrong and not needed. Therefore remove it.
Make sure a vmalloc area does also exist and work on (future)
machines with 4TB and more memory.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:56 +01:00
Heiko Carstens
09252e77ed [S390] Convert extmem spin_lock into a mutex.
There's no need to have a spin_lock here, but need sleepable context
for vmem_map. Therefore convert the spin_lock into a mutex.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:51 +01:00
Christian Borntraeger
1681cedaee [S390] set KBUILD_IMAGE.
Set KBUILD_IMAGE to a sane value. This enables "make rpm"

Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:49 +01:00
Heiko Carstens
236257eee9 [S390] lockdep: show held locks when showing a stackdump
Follow i386/x86_64:
lockdep can be used to print held locks when printing a
backtrace. This can be useful when debugging things like
'scheduling while atomic' asserts.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:47 +01:00
Gerald Schaefer
59f35d53fd [S390] Add dynamic size check for usercopy functions.
Use a wrapper for copy_to/from_user to chose the best usercopy method.
The mvcos instruction is better for sizes greater than 256 bytes, if
mvcos is not available a page table walk is better for sizes greater
than 1024 bytes. Also removed the redundant copy_to/from_user_std_small
functions.

Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:45 +01:00
Heiko Carstens
d57de5a367 [S390] Use diag260 for memory size detection.
Avoid the tprot loop if diag260 works and reports that there are no
holes in memory. The tprot instruction can lead to a significant delay
in the ipl process if the virtual guest has a lot of memory and the
host is under memory pressure.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:42 +01:00
Heiko Carstens
29b08d2bae [S390] pfault code cleanup.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:40 +01:00
Heiko Carstens
36a2bd425d [S390] Cleanup memory_chunk array usage.
Need this at yet another file and don't want to add yet another
extern...

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:38 +01:00
Heiko Carstens
baf2aeb3d9 [S390] Misaligned wait PSW at memory detection.
If the memory detection code would ever reach the point where it would
load the wait psw, it would generate a specification exception and the
system would crash at ipl time. This is because of a misaligned wait
psw. It needs to be on a double word boundary instead of a word
boundary.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:36 +01:00
Heiko Carstens
c6b5b847a7 [S390] cpu shutdown rework
Let one master cpu kill all other cpus instead of sending an external
interrupt to all other cpus so they can kill themselves.
Simplifies reipl/shutdown functions a lot.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:33 +01:00
Heiko Carstens
740b5706b9 [S390] cpcmd <-> __cpcmd calling issues
In case of reipl cpcmd gets called when all other cpus are not running
anymore. To prevent deadlocks change __cpcmd so that it doesn't take
any locks and call cpcmd or __cpcmd, whatever is correct in the current
context.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:30 +01:00
Heiko Carstens
15e9b586e0 [S390] Reset infrastructure for re-IPL.
In case of re-IPL and diag308 doesn't work we have to reset all devices
manually and wait synchronously that each reset finished.
This patch adds the necessary infrastucture and the first exploiter of it.

Subsystems that need to add a function that needs to be called at re-IPL
may register/unregister this function via

struct reset_call {
	struct reset_call *next;
	void (*fn)(void);
};

void register_reset_call(struct reset_call *reset);
void unregister_reset_call(struct reset_call *reset);

When the registered function get called the context is:

- all cpus beside the current one are stopped
- all machine checks and interrupts are disabled
- prefixing is disabled
- a default machine check handler is available for use

The registered functions may not take any locks are sleep.

For the common I/O layer part of this patch:

Introduce a reset_call css_reset that does the following:
- clear all subchannels
- perform a rchp on all channel paths and wait for the resulting
  machine checks
This replaces the calls to clear_all_subchannels() and
cio_reset_channel_paths() for kexec and ccw reipl. reipl_ccw_dev() now
uses reipl_find_schid() to determine the subchannel id for a given
device id.
Also remove cio_reset_channel_paths() and friends since they are not
needed anymore.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:26 +01:00
Heiko Carstens
6b4044bdd1 [S390] extmem unbalanced spin_lock.
segment save will exit with a lock held if the passed segment doesn't
exist. Any subsequent call to segment_save will lead to a deadlock.
Fix this and give up the lock before returning.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:20 +01:00
Michael Holzheu
5986b0e845 [S390] Use diag instead of ccw reipl.
Since the diag 308 reipl method is superior to the ccw method, we should
use it whenever it is possible. We can do that, if the user has not
specified a new reipl ccw device and the system has been ipled from
a ccw device.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:13 +01:00
Michael Holzheu
3902e47628 [S390] No panic for failed reboot
If reboot fails (e.g. because wrong devno has been specified by the user),
we should just stop all cpus, but should not trigger a kernel panic.

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:40:05 +01:00
Michael Holzheu
03a4d20876 [S390] Add ipl/reipl loadparm attribute.
If multiple kernel images are installed on one DASD, the loadparm can be used
to select the boot configuration. This patch introduces the following two new
sysfs attributes:

/sys/firmware/ipl/loadparm: shows loadparm of current system (ro)
/sys/firmware/reipl/ccw/loadparm: loadparm used for next reboot (rw)

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:39:58 +01:00
Heiko Carstens
feb5babead [S390] Remove unused GENERIC_BUST_SPINLOCK from Kconfig.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:39:52 +01:00
Christian Borntraeger
26916264c1 [S390] remove salipl memory detection.
The SALIPL entry point has an needless memory detection routine as we
later check the memory size again. The SALIPL code also uses diagnose
0x060 if we are running under VM, but this diagnose is not compatible
with the 64 bit addressing mode. The solution is to get rid of this
code and rely on the memory detection in the startup code.

Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-12-04 15:39:47 +01:00
Sergei Shtylyov
872455e2ca [POWERPC] Fix debug printks for 32-bit resources in the PCI code
Cure the damage done by the former PCI debug printks fix for the case
of 64-bit resources (commit 685143ac1f)
which broke it for the plain vanilla 32-bit resources...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:11 +11:00
Yan Burman
f8485350c2 [POWERPC] Replace kmalloc+memset with kzalloc
Replace kmalloc+memset with kzalloc.

Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:09 +11:00
Guennadi Liakhovetski
04d76b937b [POWERPC] Linkstation / kurobox support
Support for the Kurobox(HG)/LinkStation-I NAS systems by Buffalo
Technology, should be also applicable to the PPC TeraStation family.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:08 +11:00
Scott Wood
57933f8fbe [POWERPC] Add the e300c3 core to the CPU table.
This core is used in Freescale's 831x chips.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:06 +11:00
Stephen Rothwell
e73aedba56 [POWERPC] iSeries: don't build head_64.o unnecessarily
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:03 +11:00
Stephen Rothwell
4eab0e65bd [POWERPC] iSeries: stop dt_mod.o being rebuilt unnecessarily
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:42:01 +11:00
Stephen Rothwell
0470466dba [POWERPC] Fix cputable.h for combined build
Remove CPU_FTR_16M_PAGE from the cupfeatures mask at runtime on iSeries.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:59 +11:00
Stephen Rothwell
80814be40e [POWERPC] Allow CONFIG_BOOTX_TEXT on iSeries
and therefore combined builds.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:58 +11:00
Stephen Rothwell
bbb6817790 [POWERPC] Allow xmon to build on legacy iSeries
xmon still does not run on iSeries, but this allows us to build a combined
kernel that includes it.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:56 +11:00
Linas Vepstas
ec59cf710b [POWERPC] Change ppc64_defconfig to use AUTOFS_V4 not V3
Defconfig ppc64 kernels running under late-model distros
may hang in the automounter rc.d script, which seems to be
expecting autofs version 4. This patch uses the newer autofs.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:54 +11:00
Paul Mackerras
0efbc18a75 [POWERPC] Tell firmware we can handle POWER6 compatible mode
This adds the "logical" PVR value used by POWER6 in "compatible" mode
to the list of PVR values that the kernel tells firmware it is able to
handle.

Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:53 +11:00
Geert Uytterhoeven
dc0f80aa6a [POWERPC] Clean images in arch/powerpc/boot
Add a rule to clean up the various generated image files in
arch/powerpc/boot.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:51 +11:00
Olof Johansson
4468f01dc7 [POWERPC] Fix OF pci flags parsing
For PCI devices with only io ports, of_bus_pci_get_flags() will fall
through and still mark the resource as IORESOURCE_MEM.

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:49 +11:00
Grant Likely
ede8edb35b [POWERPC] defconfig for lite5200 board
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:48 +11:00
Grant Likely
c6d4d657c2 [POWERPC] Add device trees for lite5200 and lite5200b eval boards
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:46 +11:00
Grant Likely
6b64253139 [POWERPC] Add lite5200 board support to arch/powerpc
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:44 +11:00
Grant Likely
6065170cf7 [POWERPC] Add common routines for 52xx support in arch/powerpc
Adds utility routines used by 52xx device drivers and board support
code.  Main functionality is to add device nodes to the of_platform_bus,
retrieve the IPB bus frequency, and find+ioremap device registers.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:42 +11:00
Sylvain Munaut
e65fdfd6ca [POWERPC] Separate IRQ config / register set from main header
There is no need to expose these settings outside the scope
of the interrupt controller code itself.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:41 +11:00
Grant Likely
b9cf5d8e2e [POWERPC] Move Efika support files into platforms/52xx
The Efika board isn't different enough from other 52xx based boards to
justify a separate platform.  This patch merges it with the support
code for all other 52xx based boards.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:39 +11:00
Grant Likely
d4150248fc [POWERPC] Put mpc52xx support file in platforms/52xx
platforms/embedded6xx is probably going away, and 52xx boards need
some extra support the 52xx interrupt controller and DMA engine
anyway.  It makes sense to group all the 52xx bits into a single path.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:37 +11:00
Grant Likely
39d074b2e4 [POWERPC] Move MPC52xx PIC driver into arch/powerpc/platforms/52xx
No other chips use this device, it belongs in a 52xx-specific path.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:36 +11:00
Stephen Rothwell
f5b2eb0269 [POWERPC] iSeries: allow CONFIG_CMDLINE
It doesn't hurt to have this enabled on legacy iSeries and will mean it
is available for a combined build.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:32 +11:00
Stephen Rothwell
c705677e1c [POWERPC] iSeries: Eliminate "exceeds stub group size" warnings
Commit 3ccfc65c50 missed the same fixes for
legacy iSeries specific code, so make some more symbols no longer global.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:31 +11:00
Rutger Nijlunsing
06f2138e61 [POWERPC] Add files build to .gitignore
Mostly taken from corresponding Makefile's make-clean rule.

Tested by (cross)compiling for $ARCH PPC and POWERPC and checking
output of git-status.

Signed-off-by: Rutger Nijlunsing <git-commit@tux.tmfweb.nl>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:29 +11:00
Vitaly Wool
28f9ec349a [POWERPC] Add of_platform support for ROM devices
This adds support for flash device descriptions to the OF device tree.
It's inspired by and partially borrowed from Sergei's patch "[RFC]
Adding MTD to device tree.patch".

Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:24 +11:00
Mohan Kumar M
a5715d6dfc [POWERPC] pSeries/kexec: Fix for interrupt distribution
This allows any secondary CPU thread also to become boot cpu for
POWER5.  The patch is required to solve kdump boot issue when the
kdump kernel is booted with parameter "maxcpus=1".  XICS init code
tries to match the current boot cpu id with "reg" property in each CPU
node in the device tree.  But CPU node is created only for primary
thread CPU ids and "reg" property only reflects primary CPU ids.  So
when a kernel is booted on a secondary cpu thread above condition will
never meet and the default distribution server is left as zero.  This
leads to route the interrupts to CPU 0, but which is not online at
this time.

We use ibm,ppc-interrupt-server#s to check for both primary and
secondary CPU ids.  Accordingly default distribution server value is
initialized from "ibm,ppc-interrupt-gserver#s" property.  We loop
through ibm,ppc-interrupt-gserver#s property to find the global
distribution server from the last entry that matches with boot cpuid.

Signed-off-by: Mohan Kumar M <mohan@in.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:22 +11:00
Arnd Bergmann
369cf4b940 [POWERPC] fix missing #include in sys_ppc32.c
sys_mmap is declared in asm/syscalls.h

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:19 +11:00
Arnd Bergmann
4ec64d5686 [POWERPC] ps3: add a default zImage target
It's currently not possible to build the default zImage
target if PS3 is the only selected platform. This is
a hack to fall back to building the pseries style
zImage, so the build is successful. This will probably
change in the future, if someone writes a PS3 specific
boot wrapper.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:17 +11:00
Arnd Bergmann
e22ba7e381 [POWERPC] ps3: multiplatform build fixes
A few code paths need to check whether or not they are running
on the PS3's LV1 hypervisor before making hcalls. This introduces
a new firmware feature bit for this, FW_FEATURE_PS3_LV1.

Now when both PS3 and IBM_CELL_BLADE are enabled, but not PSERIES,
FW_FEATURE_PS3_LV1 and FW_FEATURE_LPAR get enabled at compile time,
which is a bug. The same problem can also happen for (PPC_ISERIES &&
!PPC_PSERIES && PPC_SOMETHING_ELSE). In order to solve this, I
introduce a new CONFIG_PPC_NATIVE option that is set when at least
one platform is selected that can run without a hypervisor and then
turns the firmware feature check into a run-time option.

The new cell oprofile support that was recently merged does not
work on hypervisor based platforms like the PS3, therefore make
it depend on PPC_CELL_NATIVE instead of PPC_CELL. This may change
if we get oprofile support for PS3.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:16 +11:00
Geert Uytterhoeven
eb30c72026 [POWERPC] ps3: Missed renames of CONFIG_PS3 to CONFIG_PPC_PS3
When renaming CONFIG_PS3 to CONFIG_PPC_PS3, a few occurrences have been
missed.

I also fixed up the alignment in arch/powerpc/platforms/Makefile.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:14 +11:00
Arnd Bergmann
e055595d3e [POWERPC] cell: fix building without spufs
It may be desireable to build a kernel for cell without
spufs, e.g. as the initial kboot kernel. This requires
that the SPU specific parts of the core dump and the xmon
code depend on CONFIG_SPU_BASE instead of CONFIG_PPC_CELL.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:12 +11:00
Stephen Rothwell
da06aa08d9 [POWERPC] spufs: we should only execute init_spu_base on cell
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:11 +11:00
Arnd Bergmann
c2b2226c7e [POWERPC] spufs: always send sigtrap on breakpoint
Currently, we only send a sigtrap if the current task is being ptraced.
This is somewhat inconsistant, and it breaks utrace support in fedora.
Removing the check should do the right thing in all cases.

Cc: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:09 +11:00
Jeremy Kerr
bd2e5f829e [POWERPC] spufs: return an error in spu_create is isolated create isnt supported
This changes the spu_create system call to return an error (-ENODEV) if
and isolated spu context is requested on hardware that doesn't support
isolated mode.

Tested on systemsim with and without isolation support

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:07 +11:00
Nicolas DET
aa668d6aac [POWERPC] Fix compile issue for Efika platform
This patch fixes a compile issue for the Efika platform recently
introduced by API changes.

Signed-off-by: Nicolas DET <nd@bplan-gmbh.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:06 +11:00
Nicolas DET
7839af3354 [POWERPC] Compile a zImage.chrp if PPC_EFIKA seleted
Signed-off-by: Nicolas DET <nd@bplan-gmbh.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:04 +11:00
Mike Wolf
fecb352f6b [POWERPC] powerpc: Make 970MP detectable by oprofile
Change the oprofile_cpu_type in cputables.c to be ppc64/970MP.  Oprofile
needs to distinquish the MP from other 970 processors so it can add some
new counters specific to the 970MP.

Signed-off-by: Mike Wolf <mjw@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-12-04 20:41:02 +11:00
Arnd Bergmann
1c72db14fe [POWERPC] update cell_defconfig for ps3 support
In the common cell kernel, I want to have ps3 enabled
to find potential bugs at compile-time.
Also enable SPU disassembly in xmon.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:41:01 +11:00
Geoff Levand
797c7b56d2 [POWERPC] ps3: add ps3_defconfig
Adds a ps3_defconfig for the PS3 game console.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:59 +11:00
Geoff Levand
de91a53429 [POWERPC] ps3: add spu support
Adds spu support for the PS3 platform.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:56 +11:00
Geoff Levand
00a3e2e93c [POWERPC] ps3: add OS params support
Adds support for early access to the parameter data from the PS3 'Other OS'
flash memory area.  The parameter data mainly holds user preferences like
static ip address.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:54 +11:00
Geoff Levand
261efc3f17 [POWERPC] ps3: add lpar addressing
Adds some needed bits for a config option PS3_USE_LPAR_ADDR that disables
the PS3 lpar address translation mechanism.  This is a currently needed
workaround for limitations in the design of the generic cell spu support.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:52 +11:00
Geoff Levand
2832a81df7 [POWERPC] ps3: add interrupt support
Adds routines to interface with the PS3 interrupt services.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:51 +11:00
Geoff Levand
6e74b38a7f [POWERPC] ps3: add repository support
Adds support for the PS3 repository.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:49 +11:00
Geoff Levand
c6cec72b7c [POWERPC] ps3: add htab routines
Adds pagetable management routines for the PS3.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
2006-12-04 20:40:47 +11:00