[U-Boot] [PATCH] armv7m: disable icache before linux booting

[Patrice Chotard]

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 at st.com>
---

 arch/arm/cpu/armv7m/cpu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/cpu/armv7m/cpu.c b/arch/arm/cpu/armv7m/cpu.c
index a424babde547..29597750f8be 100644
--- a/arch/arm/cpu/armv7m/cpu.c
+++ b/arch/arm/cpu/armv7m/cpu.c
@@ -37,6 +37,9 @@ int cleanup_before_linux(void)
 	 * dcache flushing and disabling dcache */
 	invalidate_dcache_all();
 
+	icache_disable();
+	invalidate_icache_all();
+
 	return 0;
 }
 
-- 
1.9.1