aboutsummaryrefslogtreecommitdiff
path: root/src/northbridge/via/cx700/agp.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/northbridge/via/cx700/agp.c')
-rw-r--r--src/northbridge/via/cx700/agp.c83
1 files changed, 0 insertions, 83 deletions
diff --git a/src/northbridge/via/cx700/agp.c b/src/northbridge/via/cx700/agp.c
deleted file mode 100644
index d4f599e779..0000000000
--- a/src/northbridge/via/cx700/agp.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2009 coresystems GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <console/console.h>
-#include <arch/io.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-
-/* This is the AGP 3.0 "bridge" @ Bus 0 Device 1 Func 0 */
-
-static void agp_bridge_init(struct device *dev)
-{
-
- struct device *north_dev;
- u8 reg8;
- north_dev = dev_find_device(PCI_VENDOR_ID_VIA, 0x3324, 0);
-
- pci_write_config8(north_dev, 0xa0, 0x1); // Enable CPU Direct Access Frame Buffer
-
- pci_write_config8(north_dev, 0xa2, 0x4a);
-
- reg8 = pci_read_config8(north_dev, 0xc0);
- reg8 |= 0x1;
- pci_write_config8(north_dev, 0xc0, reg8);
-
- /*
- * Since Internal Graphic already set to AGP3.0 compatible in its Capability Pointer
- * We must set RAGP8X=1 B0D0F0 Rx84[3]=1 from backdoor register B0D0F0 RxB5[1:0]=11b
- */
- north_dev = dev_find_device(PCI_VENDOR_ID_VIA, 0x0324, 0);
- reg8 = pci_read_config8(north_dev, 0xb5);
- reg8 |= 0x3;
- pci_write_config8(north_dev, 0xb5, reg8);
- pci_write_config8(north_dev, 0x94, 0x20);
- pci_write_config8(north_dev, 0x13, 0xd0);
-
- pci_write_config16(dev, 0x4, 0x0007);
-
- pci_write_config8(dev, 0x19, 0x01);
- pci_write_config8(dev, 0x1a, 0x01);
- pci_write_config8(dev, 0x1c, 0xe0);
- pci_write_config8(dev, 0x1d, 0xe0);
- pci_write_config16(dev, 0x1e, 0xa220);
-
- pci_write_config16(dev, 0x20, 0xdd00);
- pci_write_config16(dev, 0x22, 0xdef0);
- pci_write_config16(dev, 0x24, 0xa000);
- pci_write_config16(dev, 0x26, 0xbff0);
-
- pci_write_config8(dev, 0x3e, 0x0c);
- pci_write_config8(dev, 0x40, 0x8b);
- pci_write_config8(dev, 0x41, 0x43);
- pci_write_config8(dev, 0x42, 0x62);
- pci_write_config8(dev, 0x43, 0x44);
- pci_write_config8(dev, 0x44, 0x34);
-}
-
-static struct device_operations agp_bridge_operations = {
- .read_resources = DEVICE_NOOP,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_bus_enable_resources,
- .init = agp_bridge_init,
- .scan_bus = pci_scan_bridge,
-};
-
-static const struct pci_driver agp_bridge_driver __pci_driver = {
- .ops = &agp_bridge_operations,
- .vendor = PCI_VENDOR_ID_VIA,
- .device = 0xb198,
-};