rpi-config: Add variables for overclocking options.

config.txt allows several overclocking parameters to be tweakes. This makes
the most important ones overridable through local.conf.

Signed-off-by: Julian Scheel <julian@jusst.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/recipes-bcm/bootfiles/rpi-config_0.1.bb b/recipes-bcm/bootfiles/rpi-config_0.1.bb
index 28b6f19..f0ae412 100644
--- a/recipes-bcm/bootfiles/rpi-config_0.1.bb
+++ b/recipes-bcm/bootfiles/rpi-config_0.1.bb
@@ -29,6 +29,18 @@ do_deploy() {
         if [ -n "${DISABLE_OVERSCAN}" ]; then
                 sed -i '/#disable_overscan/ c\disable_overscan=${DISABLE_OVERSCAN}' ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/config.txt
         fi
+        if [ -n "${ARM_FREQ}" ]; then
+                sed -i '/#arm_freq/ c\arm_freq=${ARM_FREQ}' ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/config.txt
+        fi
+        if [ -n "${CORE_FREQ}" ]; then
+                sed -i '/#core_freq/ c\core_freq=${CORE_FREQ}' ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/config.txt
+        fi
+        if [ -n "${SDRAM_FREQ}" ]; then
+                sed -i '/#sdram_freq/ c\sdram_freq=${SDRAM_FREQ}' ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/config.txt
+        fi
+        if [ -n "${OVER_VOLTAGE}" ]; then
+                sed -i '/#over_voltage/ c\over_voltage=${OVER_VOLTAGE}' ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/config.txt
+        fi
 }
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"