diff options
Diffstat (limited to 'src/southbridge/sis/sis966/sis966.c')
| -rw-r--r-- | src/southbridge/sis/sis966/sis966.c | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/southbridge/sis/sis966/sis966.c b/src/southbridge/sis/sis966/sis966.c deleted file mode 100644 index 3b1b564816..0000000000 --- a/src/southbridge/sis/sis966/sis966.c +++ /dev/null @@ -1,201 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2004 Tyan Computer - * Written by Yinghai Lu <yhlu@tyan.com> for Tyan Computer. - * Copyright (C) 2006,2007 AMD - * Written by Yinghai Lu <yinghai.lu@amd.com> for AMD. - * 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. - */ - -#include <console/console.h> - -#include <arch/io.h> - -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include "sis966.h" - -static uint32_t final_reg; - -static struct device *find_lpc_dev( struct device *dev, unsigned devfn) -{ - - struct device *lpc_dev; - - lpc_dev = dev_find_slot(dev->bus->secondary, devfn); - - if ( !lpc_dev ) return lpc_dev; - -if ((lpc_dev->vendor != PCI_VENDOR_ID_SIS) || ( - (lpc_dev->device != PCI_DEVICE_ID_SIS_SIS966_LPC) - ) ) { - uint32_t id; - id = pci_read_config32(lpc_dev, PCI_VENDOR_ID); - if ( (id < (PCI_VENDOR_ID_SIS | (PCI_DEVICE_ID_SIS_SIS966_LPC << 16))) - ) { - lpc_dev = 0; - } - } - - return lpc_dev; -} - -void sis966_enable(struct device *dev) -{ - struct device *lpc_dev = NULL; - struct device *sm_dev = NULL; - uint16_t index = 0; - uint16_t index2 = 0; - uint32_t reg_old, reg; - uint8_t byte; - uint16_t deviceid; - uint16_t vendorid; - uint16_t devfn; - - struct southbridge_sis_sis966_config *conf; - conf = dev->chip_info; - int i; - - if (dev->device == 0x0000) { - reg = pci_read_config32(dev, PCI_VENDOR_ID); - deviceid = (reg >> 16) & 0xffff; - vendorid = reg & 0xffff; - } else { -// vendorid = dev->vendor; - deviceid = dev->device; - } - - devfn = (dev->path.pci.devfn) & ~7; - switch (deviceid) { - case PCI_DEVICE_ID_SIS_SIS966_USB: - devfn -= (1<<3); - index = 8; - break; - case PCI_DEVICE_ID_SIS_SIS966_USB2: - devfn -= (1<<3); - index = 20; - break; - case PCI_DEVICE_ID_SIS_SIS966_NIC: - devfn -= (7<<3); - index = 10; - for (i=0;i<2;i++) { - lpc_dev = find_lpc_dev(dev, devfn - (i<<3)); - if (!lpc_dev) continue; - index -= i; - devfn -= (i<<3); - break; - } - break; - case PCI_DEVICE_ID_SIS_SIS966_HD_AUDIO: - devfn -= (5<<3); - index = 11; - break; - case PCI_DEVICE_ID_SIS_SIS966_IDE: - devfn -= (3<<3); - index = 14; - break; - case PCI_DEVICE_ID_SIS_SIS966_SATA: - devfn -= (4<<3); - index = 22; - i = (dev->path.pci.devfn) & 7; - if (i>0) { - index -= (i+3); - } - break; - case PCI_DEVICE_ID_SIS_SIS966_PCIE: - devfn -= (0x9<<3); // to LPC - index2 = 9; - break; - default: - index = 0; - } - - if (!lpc_dev) - lpc_dev = find_lpc_dev(dev, devfn); - - if ( !lpc_dev ) return; - - if (index2!=0) { - sm_dev = dev_find_slot(dev->bus->secondary, devfn + 1); - if (!sm_dev) return; - - if ( sm_dev ) { - reg_old = reg = pci_read_config32(sm_dev, 0xe4); - - if (!dev->enabled) { //disable it - reg |= (1<<index2); - } - - if (reg != reg_old) { - pci_write_config32(sm_dev, 0xe4, reg); - } - } - - index2 = 0; - return; - } - - - if ( index == 0) { // for LPC - - // expose ioapic base - byte = pci_read_config8(lpc_dev, 0x74); - byte |= ((1<<1)); // expose the BAR - pci_write_config8(dev, 0x74, byte); - - // expose trap base - byte = pci_read_config8(lpc_dev, 0xdd); - byte |= ((1<<0)|(1<<3)); // expose the BAR and enable write - pci_write_config8(dev, 0xdd, byte); - return; - - } - - if ( index == 16) { - sm_dev = dev_find_slot(dev->bus->secondary, devfn + 1); - if (!sm_dev) return; - - final_reg = pci_read_config32(sm_dev, 0xe8); - final_reg &= ~0x0057cf00; - pci_write_config32(sm_dev, 0xe8, final_reg); //enable all at first - } - - if (!dev->enabled) { - final_reg |= (1 << index);// disable it - /* - * The reason for using final_reg is that if func 1 is disabled, - * then func 2 will become func 1. - * Because of this, we need loop through disabling them all at - * the same time. - */ - } - - if (index == 9 ) { //NIC1 is the final, We need update final reg to 0xe8 - sm_dev = dev_find_slot(dev->bus->secondary, devfn + 1); - if (!sm_dev) return; - reg_old = pci_read_config32(sm_dev, 0xe8); - if (final_reg != reg_old) { - pci_write_config32(sm_dev, 0xe8, final_reg); - } - - } -} - -struct chip_operations southbridge_sis_sis966_ops = { - CHIP_NAME("SiS SiS966 Southbridge") - .enable_dev = sis966_enable, -}; |