Quoting [EMAIL PROTECTED]: > Quoting [EMAIL PROTECTED]: > >> OK, I have a new booting problem. LB dies on the >> i82801xx_enable_ioapic() function in 82801xx_lpc.c: >> >> >> void i82801xx_enable_ioapic(struct device *dev) >> { >> uint32_t reg32; >> volatile uint32_t *ioapic_index = (volatile uint32_t *)0xfec00000; >> volatile uint32_t *ioapic_data = (volatile uint32_t *)0xfec00010; >> >> reg32 = pci_read_config32(dev, GEN_CNTL); >> reg32 |= (3 << 7); /* Enable IOAPIC */ >> reg32 |= (1 << 13); /* Coprocessor error enable */ >> reg32 |= (1 << 1); /* Delayed transaction enable */ >> reg32 |= (1 << 2); /* DMA collection buffer enable */ >> pci_write_config32(dev, GEN_CNTL, reg32); >> printk_debug("IOAPIC Southbridge enabled %x\n", reg32); >> >> *ioapic_index = 0; >> *ioapic_data = (1 << 25); >> >> *ioapic_index = 0; >> reg32 = *ioapic_data; >> printk_debug("Southbridge APIC ID = %x\n", reg32); >> if (reg32 != (1 << 25)) >> die("APIC Error\n"); >> >> /* TODO: From i82801ca, needed/useful on other ICH? */ >> *ioapic_index = 3; // Select Boot Configuration register >> *ioapic_data = 1; // Use Processor System Bus to deliver >> interrupts >> } >> >> Initializing devices... >> Root Device init >> PCI: 00:00.0 init >> Northbridge init >> PCI: 00:1d.0 init >> PCI: 00:1d.1 init >> PCI: 00:1d.2 init >> PCI: 00:1d.7 init >> EHCI: Setting up controller.. done. >> PCI: 00:1e.0 init >> PCI: 00:1f.0 init >> IOAPIC Southbridge enabled 2186 >> Southbridge APIC ID = 0 >> APIC Error >> >> What is going on here? Why is *ioapic_data coming back as 0x0 after it >> has been set to 0x2000000 (1 << 25)? Help? >> >> > Hmm. Could this be because *ioapic_data is not able to use the memory > space at 0xfec00010?? I also noticed in the bootlog the AC'97 Audio > Controller is using this memory space: > > PCI: 00:1f.0 assign_resources, bus 0 link: 0 > PCI: 00:1f.5 1c <- [0x00fec00000 - 0x00fec000ff] mem > > Could this be causing the issue? If so how would I tell the AC'97 > Audio Controller to use a different memory space? > Yup I was right, I disabled the AC'97 Audio Controller and it booted right up. Now I just have to figure out why the ac'97 audio is using this memory space and how to chage it. Anyone....Help?
Thanks - Joe Initializing devices... Root Device init PCI: 00:00.0 init Northbridge init PCI: 00:1d.0 init PCI: 00:1d.1 init PCI: 00:1d.2 init PCI: 00:1d.7 init EHCI: Setting up controller.. done. PCI: 00:1e.0 init PCI: 00:1f.0 init IOAPIC Southbridge enabled 2186 Southbridge APIC ID = 2000000 Set power on if power fails RTC Init PNP: 002e.4 init PNP: 002e.7 init PCI: 00:1f.1 init IDE0 IDE1 PCI: 00:1f.3 init Devices initialized Copying IRQ routing tables to 0xf0000...done. Verifing copy of IRQ routing tables at 0xf0000...done Checking IRQ routing table consistency... check_pirq_routing_table() - irq_routing_table located at: 0x000f0000 done. Moving GDT to 0x500...ok Adjust low_table_end from 0x00000530 to 0x00001000 Adjust rom_table_end from 0x000f0400 to 0x00100000 Wrote linuxbios table at: 00000530 - 000006d8 checksum 7e74 Welcome to elfboot, the open sourced starter. January 2002, Eric Biederman. Version 1.3 -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios