imx233: implement basic frequency scaling and enable auto-slow
commitc9ad8688f16a271e0ab2f0cd26dc2f9ac89625c3
authorAmaury Pouly <amaury.pouly@gmail.com>
Thu, 30 Aug 2012 18:56:39 +0000 (30 20:56 +0200)
committerAmaury Pouly <amaury.pouly@gmail.com>
Thu, 30 Aug 2012 18:56:39 +0000 (30 20:56 +0200)
treefa3c54aebb4e2aade59587e8514f64b4a233a669
parent6c2190ea04f5031b2b7e439318b76eb9bdc65fd8
imx233: implement basic frequency scaling and enable auto-slow

This does not scale the EMI frequency and keep the processor
betweel 261MHz and 454MHz. It can still be improve. The auto-slow
divisor could still be change, 8 seems reasonable for now

Change-Id: I639bb3f6b7f8efedc7dc58d08127849156eeb1b6
firmware/target/arm/imx233/system-imx233.c
firmware/target/arm/imx233/system-target.h