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2007-03-19[MIPS] mips-boards: More liberal check for mips-board consoleThiemo Seufer1-1/+1
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>
2007-03-07[MIPS] SMTC: De-obscure Malta hooks.Ralf Baechle2-27/+6
Should now be understandable why the thing works ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-07[MIPS] Atlas, Malta: Fix build warning.Ralf Baechle1-2/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04[MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.Ralf Baechle8-65/+29
early_printk is a so much saner thing. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-03-04[MIPS] No need to write c0_compare in plat_timer_setupAtsushi Nemoto2-6/+0
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>
2007-02-26[MIPS] Kill redundant EXTRA_AFLAGSAtsushi Nemoto1-2/+0
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>
2007-02-06[MIPS] Use ARRAY_SIZE macro when appropriateAhmed S. Darwish2-4/+6
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] use name instead of typename for each irq_chipAtsushi Nemoto1-1/+1
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[MIPS] prom_free_prom_memory cleanupAtsushi Nemoto2-27/+7
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[MIPS] Define MIPS_CPU_IRQ_BASE in generic headerAtsushi Nemoto4-7/+5
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>
2007-01-30[MIPS] Fix typo of "CONFIG_MT_SMP".Robert P. J. Day1-1/+1
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-30[PATCH] Malta: Fix build if CONFIG_MTD is diabled.Jan Altenberg1-1/+2
Signed-off-by: Jan Altenberg <jan@linutronix.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-01-08[MIPS] Fix build errors on SEADAtsushi Nemoto2-4/+9
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[MIPS] Malta: Add missing MTD file.Ralf Baechle1-0/+63
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-12-12[MIPS] Malta: Resurrect MTD support for onboard flash.Ralf Baechle2-40/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30[MIPS] Fix double inclusionsNicolas Kaiser1-11/+4
Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30[MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irqAtsushi Nemoto3-2/+5
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[MIPS] IRQ cleanupsAtsushi Nemoto1-22/+6
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>
2006-11-28[MIPS] Fix Bonito bootup message.Ralf Baechle1-1/+1
Even when enabling Bonito IOBC coherence the kernel would actually claim it was disabling it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-01[MIPS] Fix warning in mips-boards generic PCIYoichi Yuasa1-1/+1
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[MIPS] 16K & 64K page size fixesRalf Baechle1-1/+1
Derived from Peter Watkins <treestem@gmail.com>'s work. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-31[MIPS] VSMP: Synchronize cp0 counters on bootup.Ralf Baechle1-2/+3
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-31[MIPS] Flags must be unsigned long.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-21[MIPS] Cleanup remaining references to mips_counter_frequency.Ralf Baechle2-2/+2
Noticed by Samium Gromoff but his patch got stale in flight ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-19[MIPS] Malta: Fix uninitialized regs pointer.Ralf Baechle1-1/+2
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-09[MIPS] Malta: Fix build for non-MIPS32/64 configuration.Ralf Baechle1-6/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-09[MIPS] Cleanup unnecessary <asm/ptrace.h> inclusions.Ralf Baechle2-2/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-08[MIPS] Complete fixes after removal of pt_regs argument to int handlers.Ralf Baechle6-45/+44
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-09-27[MIPS] Atlas: update interrupt handlingMaciej W. Rozycki3-22/+92
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[MIPS] Patch to arch/mips/mips-boards/generic/time.cKevin D. Kissell1-21/+36
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>
2006-07-13[MIPS] MIPSsim: Build fix, rename sim_timer_setup -> plat_timer_setup.Ralf Baechle1-1/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13[MIPS] Remove unused code.Ralf Baechle3-249/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13[MIPS] Atlas, Malta, SEAD: Don't disable interrupts in mips_time_init().Ralf Baechle1-5/+1
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[MIPS] Replace board_timer_setup function pointer by plat_timer_setup.Ralf Baechle5-9/+1
Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
2006-07-13[MIPS] MIPSsim: Delete redeclaration of ll_local_timer_interrupt.Ralf Baechle1-2/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-13[MIPS] Malta: Fix build of certain configs.Ralf Baechle1-24/+26
2006-07-13[MIPS] Eleminate interrupt migration helper use.Ralf Baechle1-1/+1
> #define hw_interrupt_type irq_chip > typedef struct irq_chip hw_irq_controller; > #define no_irq_type no_irq_chip > typedef struct irq_desc irq_desc_t; Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-07-10[PATCH] tty: Remove include of screen_info.h from tty.hJon Smirl1-1/+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>
2006-06-30Remove obsolete #include <linux/config.h>Jörn Engel13-13/+0
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-06-29[PATCH] genirq: rename desc->handler to desc->chipIngo Molnar1-1/+1
This patch-queue improves the generic IRQ layer to be truly generic, by adding various abstractions and features to it, without impacting existing functionality. While the queue can be best described as "fix and improve everything in the generic IRQ layer that we could think of", and thus it consists of many smaller features and lots of cleanups, the one feature that stands out most is the new 'irq chip' abstraction. The irq-chip abstraction is about describing and coding and IRQ controller driver by mapping its raw hardware capabilities [and quirks, if needed] in a straightforward way, without having to think about "IRQ flow" (level/edge/etc.) type of details. This stands in contrast with the current 'irq-type' model of genirq architectures, which 'mixes' raw hardware capabilities with 'flow' details. The patchset supports both types of irq controller designs at once, and converts i386 and x86_64 to the new irq-chip design. As a bonus side-effect of the irq-chip approach, chained interrupt controllers (master/slave PIC constructs, etc.) are now supported by design as well. The end result of this patchset intends to be simpler architecture-level code and more consolidation between architectures. We reused many bits of code and many concepts from Russell King's ARM IRQ layer, the merging of which was one of the motivations for this patchset. This patch: rename desc->handler to desc->chip. Originally i did not want to do this, because it's a big patch. But having both "desc->handler", "desc->handle_irq" and "action->handler" caused a large degree of confusion and made the code appear alot less clean than it truly is. I have also attempted a dual approach as well by introducing a desc->chip alias - but that just wasnt robust enough and broke frequently. So lets get over with this quickly. The conversion was done automatically via scripts and converts all the code in the kernel. This renaming patch is the first one amongst the patches, so that the remaining patches can stay flexible and can be merged and split up without having some big monolithic patch act as a merge barrier. [akpm@osdl.org: build fix] [akpm@osdl.org: another build fix] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-19[MIPS] Cleanup memory managment initialization.Ralf Baechle4-4/+4
Historically plat_mem_setup did the entire platform initialization. This was rather impractical because it meant plat_mem_setup had to get away without any kind of memory allocator. To keep old code from breaking plat_setup was just renamed to plat_setup and a second platform initialization hook for anything else was introduced. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-06-19[MIPS] C99-ify struct resource initialization.Ralf Baechle1-5/+5
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-06-19[MIPS] Remove unused instances of prom_build_cpu_map.Ralf Baechle2-40/+0
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-06-19[MIPS] Malta: Handle byteswapping hardare bug in big endian mode.Elizabeth Oldham1-0/+9
The SOC-it system controller running in big endian mode might forget byteswapping when DMAing to the last word of physical memory. Fixed by ignoring the last page of memory. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-27[MIPS] 24K LV: Add core card id.Chris Dearman3-0/+5
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-19[MIPS] kgdb: Let gcc compute the array size itself.Ralf Baechle1-1/+1
This is the same method as used in the serial driver. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-19[MIPS] MT: Improved multithreading support.Ralf Baechle8-85/+203
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-19[MIPS] Rewrite all the assembler interrupt handlers to C.Ralf Baechle10-375/+317
Saves like 1,600 lines of code, is way easier to debug, compilers frequently do a better job than the cut and paste type of handlers many boards had. And finally having all the stuff done in a single place also means alot of bug potencial for the MT ASE is gone. The only surviving handler in assembler is the DECstation one; I hope Maciej will rewrite it. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-19[MIPS] Fix the crime against humanity that mipsIRQ.S is.Ralf Baechle7-47/+243
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-04-19[MIPS] Fixup damage done by 22a9835c350782a5c3257343713932af3ac92ee0.Ralf Baechle2-4/+6
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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