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fpga: Add flag to indicate bitstream needs decompression 

Add a flag that is passed to the write_init() callback, indicating
that the bitstream is compressed.

The low-level driver will deal with the flag, or return an error,
if compressed bitstreams are not supported.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Alan Tull <atull@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anatolij Gustschin 2017-06-14 10:36:34 -05:00 committed by Greg Kroah-Hartman
parent 5a4bfbd544
commit b37fa56069
1 changed files with 2 additions and 0 deletions
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2
include/linux/fpga/fpga-mgr.h
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@ -68,11 +68,13 @@ enum fpga_mgr_states {
* FPGA_MGR_PARTIAL_RECONFIG: do partial reconfiguration if supported
* FPGA_MGR_EXTERNAL_CONFIG: FPGA has been configured prior to Linux booting
* FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first
* FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed
*/
#define FPGA_MGR_PARTIAL_RECONFIG BIT(0)
#define FPGA_MGR_EXTERNAL_CONFIG BIT(1)
#define FPGA_MGR_ENCRYPTED_BITSTREAM BIT(2)
#define FPGA_MGR_BITSTREAM_LSB_FIRST BIT(3)
#define FPGA_MGR_COMPRESSED_BITSTREAM BIT(4)
/**
* struct fpga_image_info - information specific to a FPGA image