Change MMC1_WP pin

15 views
Skip to first unread message

Andrés Cecilia Luque

unread,
Jun 24, 2014, 8:06:26 PM6/24/14
to beagl...@googlegroups.com
Hello:

I have designed a Beagleboard rev C4 by myself (manufacturing it). Now I am trying to boot it, but I got a problem: my SD card is always detected as read-only and I can not boot into Linux. I imagine that it is because my MMC1_WP signal is not connected to the right OMAP pin:

Beagleboard has MMC1_WP signal connected to the "ETK_D9/SYS_SECURE_INDICATOR/MMC3_DAT3/HSUSB1_NXT/GPIO_23/MM1_RXDM/HSUSB1_TLL_NXT" pin, but my board has MMC1_WP signal connected to "CSI2_DY1/GPIO_115" pin.

I have been looking into the x-loader and the u-boot source code, but I could not find where to configure the position of MMC1_WP signal in the "CSI2_DY1/GPIO_115" pin.

Does someone know how to do it, what is the code I will need to modify??

Thanks, your help is really appreciated,

Andrés.


Captura de pantalla 2014-06-25 a la(s) 01.07.47.png
Captura de pantalla 2014-06-25 a la(s) 01.07.35.png
Reply all
Reply to author
Forward
0 new messages