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-rw-r--r--common/cmd_mfsl.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/common/cmd_mfsl.c b/common/cmd_mfsl.c
index ffa2666..337dfbb 100644
--- a/common/cmd_mfsl.c
+++ b/common/cmd_mfsl.c
@@ -357,7 +357,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
reg = (unsigned int)simple_strtoul (argv[1], NULL, 16);
val = (unsigned int)simple_strtoul (argv[2], NULL, 16);
- if (argc < 1) {
+ if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
@@ -382,6 +382,7 @@ int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
puts ("ESR");
break;
default:
+ puts ("Unsupported register\n");
return 1;
}
printf (": 0x%08lx\n", val);
@@ -408,10 +409,10 @@ U_BOOT_CMD (fwr, 4, 1, do_fwr,
" 3 - blocking control write\n");
U_BOOT_CMD (rspr, 3, 1, do_rspr,
- "rmsr - read/write special purpose register\n",
+ "rspr - read/write special purpose register\n",
"- reg_num [write value] read/write special purpose register\n"
- " 0 - MSR - Machine status register\n"
- " 1 - EAR - Exception address register\n"
- " 2 - ESR - Exception status register\n");
+ " 1 - MSR - Machine status register\n"
+ " 3 - EAR - Exception address register\n"
+ " 5 - ESR - Exception status register\n");
#endif /* CONFIG_MICROBLAZE & CFG_CMD_MFSL */