diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/fpga/fpga.c | 9 | ||||
-rw-r--r-- | drivers/fpga/xilinx.c | 13 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c index e0fb1b4e78..6aead27f16 100644 --- a/drivers/fpga/fpga.c +++ b/drivers/fpga/fpga.c @@ -171,6 +171,15 @@ int fpga_add(fpga_type devtype, void *desc) } /* + * Return 1 if the fpga data is partial. + * This is only required for fpga drivers that support bitstream_type. + */ +int __weak fpga_is_partial_data(int devnum, size_t img_len) +{ + return 0; +} + +/* * Convert bitstream data and load into the fpga */ int __weak fpga_loadbitstream(int devnum, char *fpgadata, size_t size, diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c index 941f30010a..3c05760969 100644 --- a/drivers/fpga/xilinx.c +++ b/drivers/fpga/xilinx.c @@ -24,6 +24,19 @@ static int xilinx_validate(xilinx_desc *desc, char *fn); /* ------------------------------------------------------------------------- */ +int fpga_is_partial_data(int devnum, size_t img_len) +{ + const fpga_desc * const desc = fpga_get_desc(devnum); + xilinx_desc *desc_xilinx = desc->devdesc; + + /* Check datasize against FPGA size */ + if (img_len >= desc_xilinx->size) + return 0; + + /* datasize is smaller, must be partial data */ + return 1; +} + int fpga_loadbitstream(int devnum, char *fpgadata, size_t size, bitstream_type bstype) { |