pci configuration

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1316 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Greg Watson 2003-12-17 17:32:58 +00:00
parent fde64ff3a1
commit 886b1788c9
2 changed files with 39 additions and 0 deletions

View File

@ -51,6 +51,11 @@ board_init(void)
mtebc(pb4cr, 0xF4058000); mtebc(pb4cr, 0xF4058000);
mtebc(pb4ap, 0x04050000); mtebc(pb4ap, 0x04050000);
/*
* Enable PCI
*/
outb(0x80, 0xF4000001);
/* /*
* Enable UART0 * Enable UART0
*/ */

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@ -0,0 +1,34 @@
/*
* Initialisation of the PCI bridge .
*/
#include <arch/io.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <console/console.h>
static void
pci_bridge_init(struct device *dev)
{
printk_info("Configure PCI Bridge\n");
pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER);
pci_write_config16(dev, 0x60, 0x0f00);
printk_info("PCI Bridge configuration complete\n");
}
struct device_operations pci_bridge_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = pci_bridge_init,
.scan_bus = 0,
};
struct pci_driver pci_bridge_pci_driver __pci_driver = {
/* w83c553f */
.ops = &pci_bridge_ops,
.device = PCI_DEVICE_ID_IBM_405GP,
.vendor = PCI_VENDOR_ID_IBM,
};