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Diffstat (limited to 'util/intelmetool/rcba.c')
-rw-r--r--util/intelmetool/rcba.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/util/intelmetool/rcba.c b/util/intelmetool/rcba.c
index c138e89fd3..ee43e65ce0 100644
--- a/util/intelmetool/rcba.c
+++ b/util/intelmetool/rcba.c
@@ -68,7 +68,8 @@ int write_rcba32(uint32_t addr, uint32_t val)
rcba = map_physical((off_t)rcba_phys, size);
if (rcba == NULL) {
- printf("Could not map RCBA\n");
+ printf("Could not map RCBA\n"
+ "Do you have cmdline argument 'iomem=relaxed' set ?\n");
return 1;
}
*(uint32_t *)(rcba + addr) = val;
@@ -93,7 +94,8 @@ int read_rcba32(uint32_t addr, uint32_t *val)
rcba = map_physical((off_t)rcba_phys, size);
if (rcba == NULL) {
- printf("Could not map RCBA\n");
+ printf("Could not map RCBA\n"
+ "Do you have cmdline argument 'iomem=relaxed' set ?\n");
return 1;
}