Added Thomas Gleixner On Sun, Feb 13, 2011 at 08:23:33PM +0100, Sam Ravnborg wrote: > I have over the weekend tried to port sparc32 to support genirq. > This is based on an old patch by David Miller. > > I have concentrated on sum4m - as this is HW I have. > Status is that booting hangs in calibrate_delay() which > gives us a good hint that the timer interrupt is not working. > > I have tried to debug it but ran out of ideas for now. > > Note: Please do not look at sun4c + sun4d - code > is only included if someone wanted to build it. > > Also - I have not looked at leon. > > > The diffstat looks promising: > arch/sparc/Kconfig | 5 +- > arch/sparc/include/asm/irq_32.h | 8 +- > arch/sparc/include/asm/system_32.h | 5 - > arch/sparc/kernel/Makefile | 4 - > arch/sparc/kernel/irq.h | 70 +++--- > arch/sparc/kernel/irq_32.c | 502 ++++++++++-------------------------- > arch/sparc/kernel/leon_kernel.c | 2 +- > arch/sparc/kernel/of_device_32.c | 59 +---- > arch/sparc/kernel/pcic.c | 42 --- > arch/sparc/kernel/sun4c_irq.c | 139 ++++++---- > arch/sparc/kernel/sun4d_irq.c | 453 +++++++++++++------------------- > arch/sparc/kernel/sun4m_irq.c | 193 +++++++------- > arch/sparc/kernel/sun4m_smp.c | 2 +- > arch/sparc/kernel/time_32.c | 2 +- > 14 files changed, 546 insertions(+), 940 deletions(-) > > The first three patches are preparational patches: > > sparc32: introduce sparc_irq_config > sparc32: introduce build_device_irq > sparc32,sun4m: made a few structs global > > Theey need a fresh-up of the changelog - otherwise I consider > these OK. > > The last patch is the actual conversion. And by nature it > is rather big (and not easy to read either). > > handler_irq() in irq_32.c is a rough copy of the sparc64 variant. > But I may have missed something obvious. > > In pcic.c I deleted some enable/disable functions. > I simply fail to see how they were used before - but it is > likely that I need to re-introduce these again. > > For now my problem is that my timer interrupt never seems > to trigger thus causing the hang in calibrate_delay() > > Any input is appreciated - especially the setup of > the genirq stuff etc. > > Sam > -- > To unsubscribe from this list: send the line "unsubscribe sparclinux" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
