ARMV7: OMAP: Add mpurate boot arg for Overo and Beagle

Allows one to set the processor clock rate via "setenv mpurate 720" for example

Default is set to a "safe" 500 Mhz.

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index ae5a791..e7cd93b 100644 (file)
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -183,6 +183,7 @@
        "loadaddr=0x82000000\0" \
        "usbtty=cdc_acm\0" \
        "console=ttyS2,115200n8\0" \
+       "mpurate=500\0" \
        "vram=12M\0" \
        "dvimode=1024x768MR-16@60\0" \
        "defaultdisplay=dvi\0" \
@@ -191,6 +192,7 @@
        "nandroot=/dev/mtdblock4 rw\0" \
        "nandrootfstype=jffs2\0" \
        "mmcargs=setenv bootargs console=${console} " \
+               "mpurate=${mpurate} " \
                "vram=${vram} " \
                "omapfb.mode=dvi:${dvimode} " \
                "omapfb.debug=y " \
@@ -198,6 +200,7 @@
                "root=${mmcroot} " \
                "rootfstype=${mmcrootfstype}\0" \
        "nandargs=setenv bootargs console=${console} " \
+               "mpurate=${mpurate} " \
                "vram=${vram} " \
                "omapfb.mode=dvi:${dvimode} " \
                "omapfb.debug=y " \

diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index 3a3b389..ca90786 100644 (file)
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -153,6 +153,7 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
        "loadaddr=0x82000000\0" \
        "console=ttyS2,115200n8\0" \
+       "mpurate=500\0" \
        "vram=12M\0" \
        "dvimode=1024x768MR-16@60\0" \
        "defaultdisplay=dvi\0" \
@@ -161,6 +162,7 @@
        "nandroot=/dev/mtdblock4 rw\0" \
        "nandrootfstype=jffs2\0" \
        "mmcargs=setenv bootargs console=${console} " \
+               "mpurate=${mpurate} " \
                "vram=${vram} " \
                "omapfb.mode=dvi:${dvimode} " \
                "omapfb.debug=y " \
@@ -168,6 +170,7 @@
                "root=${mmcroot} " \
                "rootfstype=${mmcrootfstype}\0" \
        "nandargs=setenv bootargs console=${console} " \
+               "mpurate=${mpurate} " \
                "vram=${vram} " \
                "omapfb.mode=dvi:${dvimode} " \
                "omapfb.debug=y " \