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add support for 1106:3188 (host controller of the old version of k8t800) 

Change-Id: I10135b37a6cef460be9bfbfd34746140310859a6
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/381
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
This commit is contained in:
Florian Zumbiehl 2011-11-01 20:19:02 +01:00 committed by Rudolf Marek
parent c4716b4ebf
commit 8c4cf18fc4
1 changed files with 45 additions and 0 deletions
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45
src/southbridge/via/k8t890/host.c
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@ -25,6 +25,36 @@
#include <console/console.h>
#include "k8x8xx.h"
static void host_old_enable(struct device *dev)
{
int agp3;
/* some HT tweaking */
pci_write_config8(dev, 0x50, 0x03);
pci_write_config8(dev, 0x55, 0x2c);
/* AGP setup */
pci_write_config8(dev, 0xac, 0x06);
pci_write_config8(dev, 0xad, 0x08);
pci_write_config8(dev, 0xfd, 0x02);
pci_write_config8(dev, 0x85, 0xb0);
pci_write_config8(dev, 0x87, 0x07);
pci_write_config8(dev, 0xfd, 0x06); // this is required for the following write to work
pci_write_config8(dev, 0xaf, 0x88);
pci_write_config8(dev, 0xfd, 0x04); // select AGP 3.0
agp3 = pci_read_config8(dev, 0x84) & 0x08;
pci_write_config8(dev, 0xb1, agp3 ? 0x00 : 0x9B);
pci_write_config8(dev, 0xb3, agp3 ? 0x00 : 0x9B);
pci_write_config8(dev, 0xb0, 0x40);
pci_write_config8(dev, 0xb2, 0x11);
pci_write_config8(dev, 0xed, 0x40);
}
static void host_old_init(struct device *dev)
{
k8x8xx_vt8237r_cfg(dev, NULL);
}
static void host_enable(struct device *dev)
{
/* Multiple function control */
@ -56,6 +86,15 @@ static void host_init(struct device *dev)
}
static const struct device_operations host_ops_old = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.enable = host_old_enable,
.init = host_old_init,
.ops_pci = 0,
};
static const struct device_operations host_ops_t = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
@ -73,6 +112,12 @@ static const struct device_operations host_ops_m = {
.ops_pci = 0,
};
static const struct pci_driver northbridge_driver_t800_old __pci_driver = {
.ops = &host_ops_old,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_DEVICE_ID_VIA_K8T800_AGP,
};
static const struct pci_driver northbridge_driver_t800 __pci_driver = {
.ops = &host_ops_t,
.vendor = PCI_VENDOR_ID_VIA,