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-rw-r--r--common/cmd_fpga.c50
1 files changed, 39 insertions, 11 deletions
diff --git a/common/cmd_fpga.c b/common/cmd_fpga.c
index e50c9de87..0ad310f53 100644
--- a/common/cmd_fpga.c
+++ b/common/cmd_fpga.c
@@ -163,6 +163,7 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
char *devstr = getenv ("fpga");
char *datastr = getenv ("fpgadata");
int rc = FPGA_FAIL;
+ int wrong_parms = 0;
#if defined (CONFIG_FIT)
const char *fit_uname = NULL;
ulong fit_addr;
@@ -229,6 +230,32 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
break;
}
+ if (dev == FPGA_INVALID_DEVICE) {
+ puts("FPGA device not specified\n");
+ op = FPGA_NONE;
+ }
+
+ switch (op) {
+ case FPGA_NONE:
+ case FPGA_INFO:
+ break;
+ case FPGA_LOAD:
+ case FPGA_LOADB:
+ case FPGA_DUMP:
+ if (!fpga_data || !data_size)
+ wrong_parms = 1;
+ break;
+ case FPGA_LOADMK:
+ if (!fpga_data)
+ wrong_parms = 1;
+ break;
+ }
+
+ if (wrong_parms) {
+ puts("Wrong parameters for FPGA request\n");
+ op = FPGA_NONE;
+ }
+
switch (op) {
case FPGA_NONE:
return cmd_usage(cmdtp);
@@ -342,17 +369,18 @@ static int fpga_get_op (char *opstr)
}
U_BOOT_CMD (fpga, 6, 1, do_fpga,
- "loadable FPGA image support",
- "fpga [operation type] [device number] [image address] [image size]\n"
- "fpga operations:\n"
- "\tinfo\tlist known device information\n"
- "\tload\tLoad device from memory buffer\n"
- "\tloadb\tLoad device from bitstream buffer (Xilinx devices only)\n"
- "\tloadmk\tLoad device generated with mkimage\n"
- "\tdump\tLoad device to memory buffer"
+ "loadable FPGA image support",
+ "[operation type] [device number] [image address] [image size]\n"
+ "fpga operations:\n"
+ " dump\t[dev]\t\t\tLoad device to memory buffer\n"
+ " info\t[dev]\t\t\tlist known device information\n"
+ " load\t[dev] [address] [size]\tLoad device from memory buffer\n"
+ " loadb\t[dev] [address] [size]\t"
+ "Load device from bitstream buffer (Xilinx only)\n"
+ " loadmk [dev] [address]\tLoad device generated with mkimage"
#if defined(CONFIG_FIT)
- "\n"
- "\tFor loadmk operating on FIT format uImage address must include\n"
- "\tsubimage unit name in the form of addr:<subimg_uname>"
+ "\n"
+ "\tFor loadmk operating on FIT format uImage address must include\n"
+ "\tsubimage unit name in the form of addr:<subimg_uname>"
#endif
);