diff options
Diffstat (limited to 'board/matrix_vision/mvblx/fpga.c')
| -rw-r--r-- | board/matrix_vision/mvblx/fpga.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/board/matrix_vision/mvblx/fpga.c b/board/matrix_vision/mvblx/fpga.c index dacc138..3fcf968 100644 --- a/board/matrix_vision/mvblx/fpga.c +++ b/board/matrix_vision/mvblx/fpga.c @@ -31,6 +31,7 @@ #include <ACEX1K.h> #include <command.h> #include <asm/gpio.h> +#include <linux/byteorder/generic.h> #include "fpga.h" #ifdef FPGA_DEBUG @@ -209,9 +210,20 @@ int fpga_wr_fn(const void *buf, size_t len, int flush, int cookie) { unsigned char *data = (unsigned char *) buf; int i; + int headerlen = len - cyclone2.size; + + if (headerlen < 0) + return FPGA_FAIL; + else if (headerlen == sizeof(uint32_t)) { + const unsigned int fpgavers_len = 11; /* '0x' + 8 hex digits + \0 */ + char fpgavers_str[fpgavers_len]; + snprintf(fpgavers_str, fpgavers_len, "0x%08x", + be32_to_cpup((uint32_t*)data)); + setenv("fpgavers", fpgavers_str); + } fpga_debug("fpga_wr: buf %p / size %d\n", buf, len); - for (i = 0; i < len; i++) + for (i = headerlen; i < len; i++) _write_fpga(data[i]); fpga_debug("-%s\n", __func__); |