diff options
Diffstat (limited to 'src/southbridge/sis/sis966/sis761.c')
| -rw-r--r-- | src/southbridge/sis/sis966/sis761.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/southbridge/sis/sis966/sis761.c b/src/southbridge/sis/sis966/sis761.c deleted file mode 100644 index 93f8142b4f..0000000000 --- a/src/southbridge/sis/sis966/sis761.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007 Silicon Integrated Systems Corp. (SiS) - * Written by Morgan Tsai <my_tsai@sis.com> for SiS. - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ - -/* - * Turn off machine check triggers when reading - * pci space where there are no devices. - * This is necessary when scanning the bus for - * devices which is done by the kernel - * - * written in 2003 by Eric Biederman - * - * - Athlon64 workarounds by Stefan Reinauer - * - "reset once" logic by Yinghai Lu - */ - -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include <pc80/mc146818rtc.h> -#include <cpu/amd/model_fxx_rev.h> -#include <arch/io.h> - -typedef struct msr_struct -{ - unsigned lo; - unsigned hi; -} msr_t; - -static inline msr_t rdmsr(unsigned index) -{ - msr_t result; - result.lo = 0; - result.hi = 0; - return result; -} - -/** - * Read resources for AGP aperture. - * - * There is only one AGP aperture resource needed. The resource is added to - * the northbridge of BSP. - * - * The same trick can be used to augment legacy VGA resources which can - * be detect by generic PCI resource allocator for VGA devices. - * BAD: it is more tricky than I think, the resource allocation code is - * implemented in a way to NOT DOING legacy VGA resource allocation on - * purpose :-(. - * - * @param dev TODO - */ -static void sis761_read_resources(struct device *dev) -{ - /* Read the generic PCI resources */ - printk(BIOS_DEBUG, "sis761_read_resources ------->\n"); - pci_dev_read_resources(dev); - - /* If we are not the first processor don't allocate the gart aperture */ - if (dev->path.pci.devfn != PCI_DEVFN(0x0, 0)) { - printk(BIOS_DEBUG, "sis761_not_the_first_processor !!!\n"); - return; - } - - printk(BIOS_DEBUG, "sis761_read_resources <-------\n"); - return; - -} - -static void sis761_set_resources(struct device *dev) -{ - printk(BIOS_DEBUG, "sis761_set_resources ------->\n"); - - /* Set the generic PCI resources */ - pci_dev_set_resources(dev); - printk(BIOS_DEBUG, "sis761_set_resources <-------\n"); -} - -static void sis761_init(struct device *dev) -{ - int needs_reset; - msr_t msr; - - - needs_reset = 0; - printk(BIOS_DEBUG, "sis761_init: ---------->\n"); - - msr = rdmsr(0xC001001A); - pci_write_config16(dev, 0x8E, msr.lo >> 16); // Topbound - pci_write_config8(dev, 0x7F, 0x08); // ACPI Base - outb(inb(0x856) | 0x40, 0x856); // Auto-Reset Function - - printk(BIOS_DEBUG, "sis761_init: <----------\n"); -} - - -static struct device_operations sis761_ops = { - .read_resources = sis761_read_resources, - .set_resources = sis761_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = sis761_init, - .scan_bus = 0, - .ops_pci = 0, -}; - -static const struct pci_driver sis761_driver __pci_driver = { - .ops = &sis761_ops, - .vendor = PCI_VENDOR_ID_SIS, - .device = PCI_DEVICE_ID_SIS_SIS761, -}; |