summaryrefslogtreecommitdiffstats
path: root/arch/m68k/mac/macints.c
AgeCommit message (Collapse)AuthorFilesLines
2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar1-0/+1
<linux/sched/debug.h> We are going to split <linux/sched/debug.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/debug.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-02-09m68k/mac: Clean up interrupt debug macros and printk statementsFinn Thain1-8/+0
Mac interrupt code has been debugged. The Penguin deficiencies that still cause unhandled interrupts aren't fixable here. Besides, interrupts are fast and frequent and these printk statements were never really useful IMO. Remove them. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2017-02-09m68k/mac: Remove SHUTUP_SONIC interrupt hackFinn Thain1-12/+0
In macints.c there is some startup code which disables the SONIC interrupt in an attempt to avoid an unhandled slot interrupt, which would be fatal. This only works on those machines where the SONIC device is on-board. When the mac_sonic driver is built-in, there's little point in doing this, because the device will be initialized a few seconds later anyway. But when mac_sonic is a module, the window for an unhandled interrupt is longer. Either way, we've already run the gauntlet for 5 or 10 seconds by the time we get around to disabling this particular device. It's only by sheer luck that we got this far. Really, this is too little too late. The general problem of unhandled early interrupts also affects other devices on other models. There are better ways to resolve this problem. 1) When using the Penguin bootloader, boot Mac OS with extensions disabled (by holding down the shift key at startup or by use of the Extensions Manager control panel). The Penguin docs already contain this advice, as it is always effective. 2) Have the Penguin bootloader disable the device. It already attempts to disable slot interrupts. But since some hardware cannot mask slot interrupts, Penguin should probably close the relevant device drivers. 3) Use Emile instead of Penguin. AFAIK the boot ROM never enables network device interrupts and hence they don't need to be disabled. Remove this hack. It requires maintenance and it doesn't solve the problem. It improves the odds for a few models, but so does setting CONFIG_MAC_SONIC=y. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2017-02-09m68k/mac: Improve NMI handlerFinn Thain1-59/+8
mac_nmi_handler() is useless in its present form and locks up my PowerBook 180. Let's throw out the dead code and make it do something useful: print a register dump and a stack trace. mac_debug_handler() is also dead code. Remove it along with its static data. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2015-11-23m68k/mac: Kill psc_presentGeert Uytterhoeven1-3/+3
The presence of the Apple Peripheral System Controller (PSC) can be tested for by just checking its base address pointer. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: oss irq fixesFinn Thain1-35/+10
The IOP driver calls into the OSS driver to enable its IRQ. This undesirable coupling between drivers only exists because the OSS driver doesn't correctly handle all of its machspec IRQs. Fix OSS handling of enable/disable for VIA1 IRQs (8 thru 15) which includes MAC_IRQ_ADB. Back when I implemented pmac_zilog support I redefined IRQ_MAC_SCC incorrectly. Change this to a machspec IRQ so that it works on OSS. Clean up the unused OSS audio IRQ and OSS_IRQLEV_* cruft that only confuses things. Fix the OSS description in macints.c and remove an obsolete comment. Don't enable the VIA1 irq before registering the handler. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: fix nubus slot irq disable and shutdownFinn Thain1-0/+27
Improve NuBus slot interrupt handling code and documentation. This patch fixes the NuBus NIC (mac8390) in my Quadra 700. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: enable via_alt_mapping on performa 580Finn Thain1-0/+12
Enable via_alt_mapping on the Performa 588 and tidy up related documentation. I'm betting that remapped IRQs work just fine on the Performa 580 series since it works on the LC 630 and the logic board part numbers are reputedly the same. And the consensus seems to be that the Mac TV is essentially a Performa 550, not dissimilar to the Performa 520, so set the via_type accordingly. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: cleanup forward declarationsFinn Thain1-54/+6
Move some forward declarations into header files and adjust includes. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: cleanup mac_irq_pendingFinn Thain1-32/+0
mac_irq_pending() has only one caller (mac_esp.c). Nothing tests for Baboon, PSC or OSS pending interrupts. Until that need arises, let's keep it simple and remove all the unused abstraction. Replace it with a routine to check for SCSI DRQ. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-12-10m68k/mac: cleanup mac_clear_irqFinn Thain1-33/+0
mac_clear_irq() is dead code and has been dead for as long as I can recall. On certain Mac models, certain irqs can't be cleared this way. Outside of irq dispatch, this code appears be unusable without busy loops or worse, and for irq dispatch we duplicate the same logic. Remove mac_clear_irq() and supporting code. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-11-08m68k/mac: Remove mac_irq_{en,dis}able() wrappersFinn Thain1-18/+7
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-11-08m68k/irq: Add m68k_setup_irq_controller()Geert Uytterhoeven1-1/+1
This is a wrapper around m68k_setup_irq_chip() that discards its dummy second parameter, to ease the future transition to genirq. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2011-11-08m68k/irq: Switch irq_chip methods to "struct irq_data *data"Geert Uytterhoeven1-2/+12
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2011-11-08m68k/irq: Rename irq_controller to irq_chipGeert Uytterhoeven1-5/+4
Make it more similar to the genirq version: - Remove lock (unused as we don't do SMP anyway), - Prepend methods with irq_, - Make irq_startup() return unsigned int. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2011-10-24m68k/mac: Fix mac_irq_pending() for PSC MACE and SCCFinn Thain1-1/+1
Add missing return statement. The docs say that the level 4 PSC IRQs relate to MACE DMA and SCC. Since those drivers don't call mac_irq_pending() this patch has no affect. But it should be fixed all the same, since it can be useful for MACE debugging. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2010-02-27mac68k: replace mac68k SCC code with platform deviceFinn Thain1-83/+18
Remove the old 68k Mac serial port code and a lot of related cruft. Add new SCC platform devices to mac 68k platform. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2009-01-12m68k: mac core - Kill warn_unused_result warningsGeert Uytterhoeven1-2/+3
warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2009-01-12m68k: Kill several external declarations in source filesGeert Uytterhoeven1-9/+1
- Replace external declarations by proper includes where availiable. The accesses to some symbols had to be modified, as before they were declared using e.g. "extern int _end", while asm-generic/sections.h uses e.g. "extern char _end[]" - Remove unused or superfluous external declarations Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-28m68k: mac baboon interrupt enable/disableFinn Thain1-4/+4
No-one seems to know how to mask individual baboon interrupts, so we just mask the umbrella IRQ. This will work as long as only the IDE driver uses the baboon chip (it can't deadlock). Use mac_enable_irq/mac_disable_irq rather than enable_irq/disable_irq because the latter routines count the depth of nested calls which triggers a warning and call trace because IRQ_NUBUS_C is enabled twice in a row (once when the baboon handler is registered, and once when the IDE IRQ is registered). Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2008-12-28m68k: machw.h cleanupFinn Thain1-1/+0
Remove some more cruft from machw.h and drop the #include where it isn't needed. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
2007-07-20m68k: missing __initAl Viro1-1/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-07SPIN_LOCK_UNLOCKED cleanup in arch/m68kMilind Arun Choudhary1-1/+1
SPIN_LOCK_UNLOCKED cleanup,use __SPIN_LOCK_UNLOCKED instead Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2006-10-07[PATCH] m68k pt_regs fixesAl Viro1-7/+9
m68k_handle_int() split in two functions: __m68k_handle_int() takes pt_regs * and does set_irq_regs(); m68k_handle_int() doesn't get pt_regs *. Places where we used to call m68k_handle_int() recursively with the same pt_regs have simply lost the second argument, the rest is switched to __m68k_handle_int(). The rest of patch is just dropping pt_regs * where needed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] m68k: convert mac irq codeRoman Zippel1-369/+127
Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-25[PATCH] m68k: introduce irq controllerRoman Zippel1-7/+0
Introduce irq controller and use it to manage auto vector interrupts. Introduce setup_irq() which can be used for irq setup. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23[PATCH] m68k: m68k mac VIA2 fixes and cleanupsFinn Thain1-1/+0
Some fixes and cleanups from the linux-mac68k repo. Fix mac_esp by clearing the VIA2 SCSI IRQ flag before the SCSI IRQ handler is invoked. Also fix a race condition caused by unmasking a nubus slot IRQ then setting the relevant nubus_active bit. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds1-0/+760
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!
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-23 01:19:08 +0000