| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007 Advanced Micro Devices, Inc. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| |
| #ifndef AMDFAM10_PCI_C |
| #define AMDFAM10_PCI_C |
| /* bit [10,8] are dev func, bit[1,0] are dev index */ |
| |
| |
| static u32 pci_read_config32_index(device_t dev, u32 index_reg, u32 index) |
| { |
| u32 dword; |
| |
| pci_write_config32(dev, index_reg, index); |
| dword = pci_read_config32(dev, index_reg+0x4); |
| return dword; |
| } |
| |
| static void pci_write_config32_index(device_t dev, u32 index_reg, u32 index, u32 data) |
| { |
| |
| pci_write_config32(dev, index_reg, index); |
| |
| pci_write_config32(dev, index_reg + 0x4, data); |
| |
| } |
| |
| static u32 pci_read_config32_index_wait(device_t dev, u32 index_reg, u32 index) |
| { |
| |
| u32 dword; |
| |
| index &= ~(1<<30); |
| pci_write_config32(dev, index_reg, index); |
| do { |
| dword = pci_read_config32(dev, index_reg); |
| } while (!(dword & (1<<31))); |
| dword = pci_read_config32(dev, index_reg+0x4); |
| return dword; |
| } |
| |
| static void pci_write_config32_index_wait(device_t dev, u32 index_reg, u32 index, u32 data) |
| { |
| |
| u32 dword; |
| |
| pci_write_config32(dev, index_reg + 0x4, data); |
| index |= (1<<30); |
| pci_write_config32(dev, index_reg, index); |
| do { |
| dword = pci_read_config32(dev, index_reg); |
| } while (!(dword & (1<<31))); |
| |
| } |
| #endif |
| |
| |