Commit graph

88 commits

Author SHA1 Message Date
Yinghai Lu
b187f180cc serial: add early_serial_setup() back to header file
early_serial_setup was removed from serial.h, but forgot to put in
serial_8250.h

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-18 08:38:22 -07:00
Ralf Baechle
e7c4782f92 [MIPS] Put an end to <asm/serial.h>'s long and annyoing existence
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:01 +01:00
Ralf Baechle
f6e2373ad6 [MIPS] MIPSsim: Move code away from the other MIPS Inc. BSP code.
It shares no code at all.  While at it also fix up the beginning bitrot.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Ralf Baechle
3b1d4ed535 [MIPS] Don't drag a platform specific header into generic arch code.
For some platforms it's definitions may conflict.  So that's the one-liner.
The rest is 10 square kilometers of collateral damage fixup this include
used to paper over.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-20 22:27:10 +01:00
Chris Dearman
7b4f4ec210 [MIPS] Fix builds where MSC01E_xxx is undefined.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14 18:25:15 +01:00
Chris Dearman
ffe9ee4709 [MIPS] Separate performance counter interrupts
Support for performance counter overflow interrupt that is on a separate
interrupt from the timer.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14 18:25:15 +01:00
Chris Dearman
b72c052622 [MIPS] Malta: Fix for SOCitSC based Maltas
And an attempt to tidy up the core/controller differences.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-14 18:25:14 +01:00
Chris Dearman
cf75789953 [MIPS] SMTC: Fix build error caused by nonsense code.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11 18:20:54 +01:00
Ralf Baechle
d3a509118a [MIPS] Atlas: Fix build.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-11 18:20:53 +01:00
Ralf Baechle
79894c7b47 [MIPS] Atlas, Malta, SEAD: Remove scroll from interrupt handler.
Aside of being handy for debugging this has never been a particularly
good idea but is now getting in the way of dyntick / tickless kernels
and general cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-06 19:34:30 +01:00
Chris Dearman
d725cf3818 [MIPS] MT: Reenable EIC support and add support for SOCit SC.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-05-11 14:28:31 +01:00
Ralf Baechle
1e2b980fdf MIPSnet: Modernize use platform_device API.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-28 11:01:01 -04:00
Ralf Baechle
e3cf10e93f [MIPS] Malta: Delete unused prototype of mips_timer_interrupt.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-04-27 16:20:24 +01:00
Ralf Baechle
f197465384 [MIPS] MIPS Tech: Get rid of volatile in core code.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-04-27 16:20:24 +01:00
Yoichi Yuasa
252161eccd [MIPS] merge GT64111 PCI routines and GT64120 PCI_0 routines
This patch has merged GT64111 PCI routines and GT64120 PCI_0 routines.
GT64111 PCI is almost the same as GT64120's PCI_0.
This patch don't change GT64120 PCI routines.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-04-27 16:20:23 +01:00
Thiemo Seufer
43e3c885d0 [MIPS] mips-boards: More liberal check for mips-board console
Allows overriding the MALTA/ATLAS/etc. default console setting with
non-serial console devices.

Signed-Off-By: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-19 20:22:43 +00:00
Ralf Baechle
57a2050c40 [MIPS] SMTC: De-obscure Malta hooks.
Should now be understandable why the thing works ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:16 +00:00
Ralf Baechle
f76b7ea48a [MIPS] Atlas, Malta: Fix build warning.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07 00:07:15 +00:00
Ralf Baechle
36a885306f [MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.
early_printk is a so much saner thing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:37 +00:00
Atsushi Nemoto
12e4396bf0 [MIPS] No need to write c0_compare in plat_timer_setup
If R4k counter was used for hpt_timer and interrupt source,
c0_hpt_timer_init() initializes the c0_compare register.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04 19:02:35 +00:00
Atsushi Nemoto
d2af363cfb [MIPS] Kill redundant EXTRA_AFLAGS
Many Makefiles in arch/mips have EXTRA_AFLAGS := $(CFLAGS) line.  This
is redundant while AFLAGS contains $(cflags-y) and any options only
listed in CFLAGS (not in cflags-y) should be unnecessary for asm
sources.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-26 23:06:05 +00:00
Ahmed S. Darwish
25b8ac3ba4 [MIPS] Use ARRAY_SIZE macro when appropriate
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06 16:53:19 +00:00
Atsushi Nemoto
70d21cdeef [MIPS] use name instead of typename for each irq_chip
The "typename" field was obsoleted by the "name" field.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06 16:53:14 +00:00
Atsushi Nemoto
c44e8d5e47 [MIPS] prom_free_prom_memory cleanup
Current prom_free_prom_memory() implementations are almost same as
free_init_pages(), or no-op.  Make free_init_pages() extern (again)
and make prom_free_prom_memory() use it.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06 16:53:09 +00:00
Atsushi Nemoto
97dcb82de6 [MIPS] Define MIPS_CPU_IRQ_BASE in generic header
The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all
platforms and are same value on most platforms (0 or 16, depends on
CONFIG_I8259).  Define them in asm-mips/mach-generic/irq.h and make
them customizable.  This will save a few cycle on each CPU interrupt.

A good side effect is removing some dependencies to MALTA in generic
SMTC code.

Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq
mappings on DDB5477, EMMA2RH and MIPS_SIM, since really customizing
them might cause some header dependency problem and there seems no
good reason to customize it.  So currently only VR41XX is using custom
MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259.

Testing this patch on those platforms is greatly appreciated.  Thank
you.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06 16:53:08 +00:00
Robert P. J. Day
9616d54fff [MIPS] Fix typo of "CONFIG_MT_SMP".
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-30 12:10:48 +00:00
Jan Altenberg
bf2326e752 [PATCH] Malta: Fix build if CONFIG_MTD is diabled.
Signed-off-by: Jan Altenberg <jan@linutronix.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-30 12:10:48 +00:00
Atsushi Nemoto
f75f369fd7 [MIPS] Fix build errors on SEAD
Quick and dirty fix for build errors on SEAD.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08 21:41:04 +00:00
Ralf Baechle
61e84f9987 [MIPS] Malta: Add missing MTD file.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08 21:41:04 +00:00
Ralf Baechle
b228f4c54d [MIPS] Malta: Resurrect MTD support for onboard flash.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-12 01:46:24 +00:00
Nicolas Kaiser
dd6bfd627c [MIPS] Fix double inclusions
Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30 01:14:47 +00:00
Atsushi Nemoto
1417836e81 [MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq
Further incorporation of generic irq framework.  Replacing __do_IRQ()
by proper flow handler would make the irq handling path a bit simpler
and faster.

* use generic_handle_irq() instead of __do_IRQ().
* use handle_level_irq for obvious level-type irq chips.
* use handle_percpu_irq for irqs marked as IRQ_PER_CPU.
* setup .eoi routine for irq chips possibly used with handle_percpu_irq.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30 01:14:46 +00:00
Atsushi Nemoto
1603b5aca4 [MIPS] IRQ cleanups
This is a big irq cleanup patch.

* Use set_irq_chip() to register irq_chip.
* Initialize .mask, .unmask, .mask_ack field.  Functions for these
  method are already exist in most case.
* Do not initialize .startup, .shutdown, .enable, .disable fields if
  default routines provided by irq_chip_set_defaults() were suitable.
* Remove redundant irq_desc initializations.
* Remove unnecessary local_irq_save/local_irq_restore, spin_lock.

With this cleanup, it would be easy to switch to slightly lightwait
irq flow handlers (handle_level_irq(), etc.) instead of __do_IRQ().

Though whole this patch is quite large, changes in each irq_chip are
not quite simple.  Please review and test on your platform.  Thanks.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30 01:14:46 +00:00
Ralf Baechle
177b2927e2 [MIPS] Fix Bonito bootup message.
Even when enabling Bonito IOBC coherence the kernel would actually claim
it was disabling it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-28 19:13:34 +00:00
Yoichi Yuasa
67cac1eba7 [MIPS] Fix warning in mips-boards generic PCI
arch/mips/mips-boards/generic/pci.c: In function `mips_pcibios_init':
arch/mips/mips-boards/generic/pci.c:227: warning: comparison of distinct pointer types lacks a cast
arch/mips/mips-boards/generic/pci.c:228: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01 17:46:10 +00:00
Ralf Baechle
242954b5aa [MIPS] 16K & 64K page size fixes
Derived from Peter Watkins <treestem@gmail.com>'s work.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01 17:46:09 +00:00
Ralf Baechle
70e46f48cb [MIPS] VSMP: Synchronize cp0 counters on bootup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-31 20:13:22 +00:00
Ralf Baechle
e79f55a8c7 [MIPS] Flags must be unsigned long.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-31 20:13:22 +00:00
Ralf Baechle
224dc50ece [MIPS] Cleanup remaining references to mips_counter_frequency.
Noticed by Samium Gromoff but his patch got stale in flight ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-21 23:17:35 +01:00
Ralf Baechle
ba38cdf942 [MIPS] Malta: Fix uninitialized regs pointer.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-19 17:55:12 +01:00
Ralf Baechle
0118c3ca9e [MIPS] Malta: Fix build for non-MIPS32/64 configuration.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-09 23:20:47 +01:00
Ralf Baechle
27f768192f [MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-09 00:15:28 +01:00
Ralf Baechle
937a801576 [MIPS] Complete fixes after removal of pt_regs argument to int handlers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-08 02:38:28 +01:00
Maciej W. Rozycki
fc095a9021 [MIPS] Atlas: update interrupt handling
The following change updates the Atlas interrupt handling to match that
of Malta.  Tested with a 5Kc and a 34Kf successfully.

Signed-off-by: Maciej W. Rozycki <macro@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27 13:37:42 +01:00
Kevin D. Kissell
846acaa2b4 [MIPS] Patch to arch/mips/mips-boards/generic/time.c
In hooking up the perf counter overflow interrupt to the experimental
deprecated-real-soon-now /proc/perf interface last night, I had to
revisit arch/mips/mips-boards/generic/time.c, and discovered that
when the 2.6.9-based SMTC prototype was merged with the more
recent tree, it was missed that arch/mips/kernel/time.c had changed
so that even in SMP kernels, timer_interrupt() calls
local_timer_interrupt(), so there is no longer a need to invoke it
directly from mips_timer_interrupt() in those cases where
timer_interrupt() has been called.  So I got rid of that, and added the
invocation of perf_irq() if Cause.PCI is set, more-or-less following the
same logic as in the non-SMTC case, with the modifications that (a) a
runtime check for Release 2 isn't done, because it's redundant in SMTC),
and (b) we check for a clock interrupt regardless of the value returned
by the perf counter service - I don't understand why we'd want to control
that with perf_irq(), but maybe one of you knows the story.  I also got
rid of the stupid warning about the unused variable when compiled for
SMTC (another artifact of the merge). The result hasn't been beaten to
death, but boots, seems stable, and supports extended precision event
counting.

Signed-off-by: Kevin D. Kissell <kevink@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27 13:37:41 +01:00
Ralf Baechle
5fd3265738 [MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13 21:26:19 +01:00
Ralf Baechle
75da124ac0 [MIPS] Remove unused code.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13 21:26:18 +01:00
Ralf Baechle
ece2246ebd [MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init().
By the time it's called from time_init interrupts are still disabled.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13 21:26:18 +01:00
Ralf Baechle
54d0a216f4 [MIPS] Replace board_timer_setup function pointer by plat_timer_setup.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

---
2006-07-13 21:26:17 +01:00
Ralf Baechle
783b09dc28 [MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13 21:26:14 +01:00