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Commit b37fa560 authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Greg Kroah-Hartman
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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: default avatarAnatolij Gustschin <agust@denx.de>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarAlan Tull <atull@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5a4bfbd5

include/linux/fpga/fpga-mgr.h

+2 −0
Original line number Diff line number Diff line
@@ -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