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/*
* (C) 2004 Linux Networx
*/
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <pc80/mc146818rtc.h>
static void amd8131_bus_read_resources(device_t dev)
{
return;
}
static void amd8131_bus_set_resources(device_t dev)
{
#if 0
pci_bus_read_resources(dev);
#endif
return;
}
static void amd8131_bus_enable_resources(device_t dev)
{
#if 0
pci_dev_set_resources(dev);
#endif
return;
}
static void amd8131_bus_init(device_t dev)
{
#if 0
pcix_init(dev);
#endif
return;
}
static unsigned int amd8131_scan_bus(device_t bus, unsigned int max)
{
#if 0
max = pcix_scan_bridge(bus, max);
#endif
return max;
}
static void amd8131_enable(device_t dev)
{
uint32_t buses;
uint16_t cr;
/* Clear all status bits and turn off memory, I/O and master enables. */
pci_write_config16(dev, PCI_COMMAND, 0x0000);
pci_write_config16(dev, PCI_STATUS, 0xffff);
/*
* Read the existing primary/secondary/subordinate bus
* number configuration.
*/
buses = pci_read_config32(dev, PCI_PRIMARY_BUS);
/* Configure the bus numbers for this bridge: the configuration
* transactions will not be propagated by the bridge if it is not
* correctly configured.
*/
buses &= 0xff000000;
buses |= (((unsigned int) (dev->bus->secondary) << 0) |
((unsigned int) (dev->bus->secondary) << 8) |
((unsigned int) (dev->bus->secondary) << 16));
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
}
static struct device_operations pcix_ops = {
.read_resources = amd8131_bus_read_resources,
.set_resources = amd8131_bus_set_resources,
.enable_resources = amd8131_bus_enable_resources,
.init = amd8131_bus_init,
.scan_bus = 0,
.enable = amd8131_enable,
};
static const struct pci_driver pcix_driver __pci_driver = {
.ops = &pcix_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = 0x7450,
};
static void ioapic_enable(device_t dev)
{
uint32_t value;
value = pci_read_config32(dev, 0x44);
if (dev->enabled) {
value |= ((1 << 1) | (1 << 0));
} else {
value &= ~((1 << 1) | (1 << 0));
}
pci_write_config32(dev, 0x44, value);
}
static struct device_operations ioapic_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = 0,
.scan_bus = 0,
.enable = ioapic_enable,
};
static const struct pci_driver ioapic_driver __pci_driver = {
.ops = &ioapic_ops,
.vendor = PCI_VENDOR_ID_AMD,
.device = 0x7451,
};
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