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-rw-r--r--src/flash/nor/stellaris.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/flash/nor/stellaris.c b/src/flash/nor/stellaris.c
index 69a9d05f..b14c078e 100644
--- a/src/flash/nor/stellaris.c
+++ b/src/flash/nor/stellaris.c
@@ -528,6 +528,10 @@ static void stellaris_set_flash_timing(struct flash_bank *bank)
struct target *target = bank->target;
uint32_t usecrl = (stellaris_info->mck_freq/1000000ul-1);
+ /* only valid for Sandstorm and Fury class devices */
+ if (stellaris_info->target_class < 2)
+ return;
+
LOG_DEBUG("usecrl = %i",(int)(usecrl));
target_write_u32(target, SCB_BASE | USECRL, usecrl);
}