diff options
Diffstat (limited to 'src/southbridge/amd/common/amd_pci_util.h')
| -rw-r--r-- | src/southbridge/amd/common/amd_pci_util.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/southbridge/amd/common/amd_pci_util.h b/src/southbridge/amd/common/amd_pci_util.h new file mode 100644 index 0000000000..1d1e52baaf --- /dev/null +++ b/src/southbridge/amd/common/amd_pci_util.h @@ -0,0 +1,48 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * 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 AMD_PCI_UTIL_H +#define AMD_PCI_UTIL_H + +#include <stdint.h> +#include "amd_pci_int_defs.h" + +/* FCH index/data registers */ +#define PCI_INTR_INDEX 0xc00 +#define PCI_INTR_DATA 0xc01 + +#ifndef __PRE_RAM__ + +struct pirq_struct { + u8 devfn; + u8 PIN[4]; /* PINA/B/C/D are index 0/1/2/3 */ +}; + +extern const struct pirq_struct * pirq_data_ptr; +extern u32 pirq_data_size; +extern const u8 * intr_data_ptr; +extern const u8 * picr_data_ptr; + +u8 read_pci_int_idx(u8 index, int mode); +void write_pci_int_idx(u8 index, int mode, u8 data); +void write_pci_cfg_irqs(void); +void write_pci_int_table (void); +#endif /* __PRE_RAM */ + +#endif /* AMD_PCI_UTIL_H */ |