diff options
Diffstat (limited to 'src/northbridge/amd/amdfam10/pci.c')
| -rw-r--r-- | src/northbridge/amd/amdfam10/pci.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdfam10/pci.c b/src/northbridge/amd/amdfam10/pci.c new file mode 100644 index 0000000000..d08a9718c7 --- /dev/null +++ b/src/northbridge/amd/amdfam10/pci.c @@ -0,0 +1,77 @@ +/* + * 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; +} + +#ifdef UNUSED_CODE +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); + +} +#endif + +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; +} + +#ifdef UNUSED_CODE +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 +#endif + + |