On Thu, 2009-04-23 at 00:51 +0200, Peter Stuge wrote: > (No need to cc me. Thanks!) > > Cristi Magherusan wrote: > > > dmesg output > > > > Hello, > > > > Thanks, here you have the outputs you requested, and these are the > > more interesting parts, IMHO. I'll try to change the v3 IRQ to 5 > > instead of 11, to see what happens next. > > All right! Keep us posted. > > > > dmesg in v3: > > > > Apr 22 16:12:52 avatt user.warn kernel: PCI: No IRQ known for interrupt pin > > A of device 0000:00:03.0. Please try using pci=biosirq. > > Yeah, this is bad. > > > > Apr 22 16:12:52 avatt user.info kernel: pcnet32: PCnet/PCI II 79C970A at > > 0x1000, 52 54 00 12 34 56 assigned IRQ 0. > > IRQ 0 will not work. > > > In recent kernels it's possible to enable quite a lot of PCI and x86 > init debugging. If the next change doesn't work that may give more > useful information. >
Hello, The attached patch makes use of the(slightly adapted) irq routing implementation from v2, and sets the irq to 5 instead of 11(as Ron did before). Now the card appears in /proc/interrupts (it wasn't with 11), the interface raises, but ping and dhcp still fail. Any ideas? Cristi -- Ing. Cristi Măgherușan, System/Network Engineer Technical University of Cluj-Napoca, Romania http://cc.utcluj.ro +40264 401247
Index: mainboard/emulation/qemu-x86/defconfig =================================================================== --- mainboard/emulation/qemu-x86/defconfig (revision 1164) +++ mainboard/emulation/qemu-x86/defconfig (working copy) @@ -33,6 +33,7 @@ CONFIG_CPU_I586=y CONFIG_OPTION_TABLE=y # CONFIG_SMP is not set +CONFIG_PIRQ_TABLE=y CONFIG_CARBASE=0x8f000 CONFIG_CARSIZE=0x1000 Index: mainboard/emulation/qemu-x86/irq_tables.h =================================================================== --- mainboard/emulation/qemu-x86/irq_tables.h (revision 0) +++ mainboard/emulation/qemu-x86/irq_tables.h (revision 0) @@ -0,0 +1,31 @@ +/* This file was generated by getpir.c, do not modify! + (but if you do, please run checkpir on it to verify) + * Contains the IRQ Routing Table dumped directly from your memory, which BIOS sets up + * + * Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM +*/ + +#include <pirq_routing.h> + +const struct irq_routing_table intel_irq_routing_table = { + PIRQ_SIGNATURE, /* u32 signature */ + PIRQ_VERSION, /* u16 version */ + 32+16*6, /* there can be total 6 devices on the bus */ + 0x00, /* Where the interrupt router lies (bus) */ + (0x01<<3)|0x0, /* Where the interrupt router lies (dev) */ + 0, /* IRQs devoted exclusively to PCI usage */ + 0x8086, /* Vendor */ + 0x7000, /* Device */ + 0, /* Crap (miniport) */ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */ + 0x7, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */ + { + /* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */ + {0x00,(0x01<<3)|0x0, {{0x60, 0xdef8}, {0x61, 0xdef8}, {0x62, 0xdef8}, {0x63, 0x0def8}}, 0x0, 0x0}, + {0x00,(0x02<<3)|0x0, {{0x61, 0xdef8}, {0x62, 0xdef8}, {0x63, 0xdef8}, {0x60, 0x0def8}}, 0x1, 0x0}, + {0x00,(0x03<<3)|0x0, {{0x62, 0xdef8}, {0x63, 0xdef8}, {0x60, 0xdef8}, {0x61, 0x0def8}}, 0x2, 0x0}, + {0x00,(0x04<<3)|0x0, {{0x63, 0xdef8}, {0x60, 0xdef8}, {0x61, 0xdef8}, {0x62, 0x0def8}}, 0x3, 0x0}, + {0x00,(0x05<<3)|0x0, {{0x60, 0xdef8}, {0x61, 0xdef8}, {0x62, 0xdef8}, {0x63, 0x0def8}}, 0x4, 0x0}, + {0x00,(0x06<<3)|0x0, {{0x61, 0xdef8}, {0x62, 0xdef8}, {0x63, 0xdef8}, {0x60, 0x0def8}}, 0x5, 0x0}, + } +}; Index: mainboard/emulation/qemu-x86/vga.c =================================================================== --- mainboard/emulation/qemu-x86/vga.c (revision 1164) +++ mainboard/emulation/qemu-x86/vga.c (working copy) @@ -35,6 +35,9 @@ dev->rom_address = 0xc0000; + /* not sure how these are routed in qemu */ + static const unsigned char enetIrqs[4] = { 11, 0, 0, 0 }; + /* * FIXME: This should be in the Super I/O code some day, * but since QEMU has no Super I/O... @@ -42,6 +45,14 @@ * bits there. */ init_pc_keyboard(0x60, 0x64, &conf); + + /* FIXME: This may be the wrong place, but still... + * The PIRQ table is not working well for interrupt routing purposes. + * so we'll just set the IRQ directly. + */ + printk(BIOS_INFO, "Fixing ethernet device IRQ\n"); + pci_assign_irqs(0, 3, enetIrqs); + /* now run the rom */ pci_dev_init(dev); }
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