Hi,
Kevin did this fine job in v1. Basically it assigns irqs for PCI devices in case of PIRQ table doesn't work. I have been using in different place. I also think it would be nice to do it in config file instead of in source just like geode. Ron, does epia work now?
-Andrew
On Wed, Oct 01, 2003 at 05:38:51PM -0600, ron minnich wrote:
in V1:
void pci_assign_irqs(unsigned bus, unsigned slot, const unsigned char pIntAtoD[4]);
static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 }; static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 }; static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 };
/* Our IDSEL mappings are as follows PCI slot is AD31 (device 15) (00:14.0) Southbridge is AD28 (device 12) (00:11.0) */ static void pci_routing_fixup(void) { struct pci_dev *dev;
dev = pci_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231,0); if (dev != NULL) { /* initialize PCI interupts - these assignments depend on the PCB routing of PINTA-D
PINTA = IRQ11 PINTB = IRQ5 PINTC = IRQ10 PINTD = IRQ12 */ pci_write_config_byte(dev, 0x55, 0xb0); pci_write_config_byte(dev, 0x56, 0xa5); pci_write_config_byte(dev, 0x57, 0xc0); } // Standard southbridge components printk_info("setting southbridge\n"); pci_assign_irqs(0, 0x11, southbridgeIrqs); // Ethernet built into southbridge printk_info("setting ethernet\n"); pci_assign_irqs(0, 0x12, enetIrqs); // PCI slot printk_info("setting pci slot\n"); pci_assign_irqs(0, 0x14, slotIrqs);}
ok, that explains it!
ron
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