diff options
Diffstat (limited to 'src/southbridge/via/k8t890/bridge.c')
-rw-r--r-- | src/southbridge/via/k8t890/bridge.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/src/southbridge/via/k8t890/bridge.c b/src/southbridge/via/k8t890/bridge.c deleted file mode 100644 index f7ccd75667..0000000000 --- a/src/southbridge/via/k8t890/bridge.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz> - * Copyright (C) 2011 Alexandru Gagniuc <mr.nuke.me@gmail.com> - * 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 <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <console/console.h> -#include "k8x8xx.h" - -static void bridge_enable(struct device *dev) -{ - u8 tmp; - printk(BIOS_DEBUG, "B188 device dump\n"); - - /* VIA recommends this, sorry no known info. */ - - writeback(dev, 0x40, 0x91); - writeback(dev, 0x41, 0x40); - writeback(dev, 0x43, 0x44); -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD) - writeback(dev, 0x42, 0x80); - writeback(dev, 0x44, 0x35); -#else - writeback(dev, 0x44, 0x31); /* K8M890 should have 0x35 datasheet - * says it is reserved - */ -#endif - writeback(dev, 0x45, 0x3a); - writeback(dev, 0x46, 0x88); /* PCI ID lo */ - writeback(dev, 0x47, 0xb1); /* PCI ID hi */ - - /* Bridge control, K8M890 bit 3 should be set to enable VGA on AGP - * (Forward VGA compatible memory and I/O cycles ) - */ - -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD) - writeback(dev, 0x3e, 0x0a); -#else - writeback(dev, 0x3e, 0x16); -#endif - dump_south(dev); - - /* disable I/O and memory decode, or it freezes PCI bus during BAR sizing */ - tmp = pci_read_config8(dev, PCI_COMMAND); - tmp &= ~0x3; - pci_write_config8(dev, PCI_COMMAND, tmp); - -} - -static const struct device_operations bridge_ops = { - .read_resources = pci_bus_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_bus_enable_resources, - .enable = bridge_enable, - .scan_bus = pci_scan_bridge, - .reset_bus = pci_bus_reset, - .ops_pci = 0, -}; - -/* - * K8T890 and K8T800 both use device B188 as the bridge, so no need to - * add a separate driver - */ -static const struct pci_driver northbridge_driver_890 __pci_driver = { - .ops = &bridge_ops, - .vendor = PCI_VENDOR_ID_VIA, - .device = PCI_DEVICE_ID_VIA_K8T890CE_BR, -}; |