armv7m: disable icache before linux booting
Similarly to ARMV7, on ARMV7M instruction cache memory needs
to be disabled before running linux kernel to avoid kernel to
be stuck.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/cpu/armv7m/cpu.c b/arch/arm/cpu/armv7m/cpu.c
index a424bab..2959775 100644
--- a/arch/arm/cpu/armv7m/cpu.c
+++ b/arch/arm/cpu/armv7m/cpu.c
@@ -37,6 +37,9 @@
* dcache flushing and disabling dcache */
invalidate_dcache_all();
+ icache_disable();
+ invalidate_icache_all();
+
return 0;
}