diff options
Diffstat (limited to 'src/soc/intel/common/block/include/intelblocks/spi.h')
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/spi.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/spi.h b/src/soc/intel/common/block/include/intelblocks/spi.h new file mode 100644 index 0000000000..e652a369d8 --- /dev/null +++ b/src/soc/intel/common/block/include/intelblocks/spi.h @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2017 Intel Corporation. + * + * 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. + */ + +#ifndef SOC_INTEL_COMMON_BLOCK_SPI_H +#define SOC_INTEL_COMMON_BLOCK_SPI_H + +/* + * SoC overrides + * + * All new SoC must implement below functionality. + */ + +/* Function to convert input device function to bus number + * Input: Device Function number + * Output: -1 translate to Error, >=0 is bus number + */ +int spi_soc_devfn_to_bus(unsigned int devfn); + +/* Function to convert input bus number to device function + * Input: Bus number + * Output: -1 translate to Error, >=0 is function number + */ +int spi_soc_bus_to_devfn(unsigned int bus); + +#endif /* SOC_INTEL_COMMON_BLOCK_SPI_H */ |