imx233: disable cpu frequency scaling

Frequency scaling seems to be unstable and causes the device to
freeze. It is unclear why at the moment, perhaps we need to ramp
up the vddd voltage to avoid a false brownout ?

Change-Id: I7aaea9d7c213922a65250fe50775fb785d430226

1 files changed, 3 insertions, 0 deletions

diff --git a/firmware/target/arm/imx233/system-imx233.c b/firmware/target/arm/imx233/system-imx233.c
index 610a974c9b..f8a0b81316 100644
--- a/firmware/target/arm/imx233/system-imx233.c
+++ b/firmware/target/arm/imx233/system-imx233.c
@@ -158,6 +158,8 @@ void udelay(unsigned us)
 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 void set_cpu_frequency(long frequency)
 {
+    (void) frequency;
+#if 0
     switch(frequency)
     {
         case IMX233_CPUFREQ_454_MHz:
@@ -199,6 +201,7 @@ void set_cpu_frequency(long frequency)
         default:
             break;
     }
+#endif
 }
 #endif