diff options
Diffstat (limited to 'src/southbridge/amd/cs5536/smbus.h')
| -rw-r--r-- | src/southbridge/amd/cs5536/smbus.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/southbridge/amd/cs5536/smbus.h b/src/southbridge/amd/cs5536/smbus.h new file mode 100644 index 0000000000..318a727de1 --- /dev/null +++ b/src/southbridge/amd/cs5536/smbus.h @@ -0,0 +1,34 @@ +/* + * 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 version 2 as + * published by the Free Software Foundation. + * + * 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 _CS5536_SMBUS_H +#define _CS5536_SMBUS_H + +int smbus_start_condition(unsigned smbus_io_base); +int smbus_stop_condition(unsigned smbus_io_base); +int smbus_check_stop_condition(unsigned smbus_io_base); +int smbus_send_slave_address(unsigned smbus_io_base, + unsigned char device); +int smbus_send_command(unsigned smbus_io_base, unsigned char command); + +unsigned char do_smbus_read_byte(unsigned smbus_io_base, + unsigned char device, + unsigned char address); + +#endif /* _CS5536_SMBUS_H */ |