GraceH

Enabling LCD display in i.MX50 EVK with Linux release -blog archive

Discussion created by GraceH Employee on Mar 13, 2012

In Linux BSP, by default, the LCD framebuffer is not enabled.  SEIKO and CLAA driver are also disabled.

The kernel need be re-configure to enable LCD framebuffer.

In kernel configuration menu, go to device drivers -> Graphics Support

Select "SEIKO WVGA Panel"

Select "CLAA WVGA Panel"

Deselect "E-ink Panel Framebuffer"

Select "Support MXC ELCDIF framebuffer"

Then in command line:

 

1. with SEIKO LCD (connected on J13)

setenv bootargs_mmc 'setenv bootargs ${bootargs} console=ttymxc0 root=/dev/mmcblk0p2 rootwait rw lcd=1'

2. with SEIKO LCD (connected on J12)

setenv bootargs_mmc 'setenv bootargs ${bootargs} console=ttymxc0 root=/dev/mmcblk0p2 rootwait rw lcd=1,j12'

2. with CLAA LCD

setenv bootargs_mmc 'setenv bootargs ${bootargs} console=ttymxc0 root=/dev/mmcblk0p2 rootwait rw lcd=2'

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