diff options
author | Subrata Banik <subrata.banik@intel.com> | 2017-11-07 16:10:05 +0530 |
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committer | Aaron Durbin <adurbin@chromium.org> | 2017-11-11 18:19:15 +0000 |
commit | 6c4b5916fcd4844410a709320ab7bf5a06a45596 (patch) | |
tree | 27874455b3a10d43d478eca05fa8fecb35716842 /src/soc/intel/common/block/include | |
parent | f79b636088d36f1a6ac58f02e58ad8561899bb31 (diff) | |
download | coreboot-6c4b5916fcd4844410a709320ab7bf5a06a45596.tar.xz |
soc/intel/common/block: Add Intel common SPI support
SOC need to select specific macros need to compile
common SPI code.
Change-Id: I82f7d1852d12ca37f386b64a613a676753da959c
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/22360
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/intel/common/block/include')
-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 */ |