Messages in this thread Patch in this message | | | Date | Wed, 11 Apr 2007 12:30:20 +0400 | From | Ivan Kokshaysky <> | Subject | [PATCH 6/7] ALPHA: more fixes for specific machine types |
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arch/alpha/kernel/sys_sx164.c
Earlier firmware revisions need MVI fix as well.
arch/alpha/kernel/sys_nautilus.c
On UP1500 firmware reports wrong AGP IRQ (10 instead of 5). This causes interrupt storm if there is a PCI device that uses IRQ 5.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
--- linux.orig/arch/alpha/kernel/sys_sx164.c Thu Jun 1 13:46:21 2006 +++ linux/arch/alpha/kernel/sys_sx164.c Thu Jun 1 13:46:11 2006 @@ -132,7 +132,7 @@ sx164_init_arch(void) if (amask(AMASK_MAX) != 0 && alpha_using_srm - && (cpu->pal_revision & 0xffff) == 0x117) { + && (cpu->pal_revision & 0xffff) <= 0x117) { __asm__ __volatile__( "lda $16,8($31)\n" "call_pal 9\n" /* Allow PALRES insns in kernel mode */ --- linux.orig/arch/alpha/kernel/sys_nautilus.c Tue Apr 10 13:59:43 2007 +++ linux/arch/alpha/kernel/sys_nautilus.c Tue Apr 10 14:29:55 2007 @@ -70,6 +70,12 @@ nautilus_map_irq(struct pci_dev *dev, u8 /* Preserve the IRQ set up by the console. */ u8 irq; + /* UP1500: AGP INTA is actually routed to IRQ 5, not IRQ 10 as + console reports. Check the device id of AGP bridge to distinguish + UP1500 from UP1000/1100. Note: 'pin' is 2 due to bridge swizzle. */ + if (slot == 1 && pin == 2 && + dev->bus->self && dev->bus->self->device == 0x700f) + return 5; pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq); return irq; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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