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-rw-r--r--cpu/ppc4xx/start.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 77c2aa4..0638024 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -110,6 +110,10 @@
# endif
#endif /* CFG_INIT_DCACHE_CS */
+#if (defined(CFG_INIT_RAM_DCACHE) && (CFG_INIT_RAM_END > (4 << 10)))
+#error Only 4k of init-ram is supported - please adjust CFG_INIT_RAM_END!
+#endif
+
#define function_prolog(func_name) .text; \
.align 2; \
.globl func_name; \