diff options
Diffstat (limited to 'src/northbridge/via/cx700/agp.c')
-rw-r--r-- | src/northbridge/via/cx700/agp.c | 83 |
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, -}; |