OK,
So I looked through everything again and I saw no where in the tree to put
the files that where output from the pinmux utility.
So others have been Modifying the Beagle.h file( which I found) so can I
add the following to the bottom of the beagle xm section in the beagle.h
file.
MUX_VAL(CP(MMC2_DAT1), (IEN | PU | M4 )) /* gpio_133 */\
MUX_VAL(CP(MMC2_DAT4), (IEN | PD | M4 )) /* gpio_136 */\
MUX_VAL(CP(MMC2_DAT5), (IEN | PD | M4 )) /* gpio_137 */\
MUX_VAL(CP(MMC2_DAT6), (IEN | PD | M4 )) /* gpio_138 */\
MUX_VAL(CP(MMC2_DAT7), (IEN | PD | M4 )) /* gpio_139 */\
MUX_VAL(CP(UART2_CTS), (IEN | PU | M2 )) /* gpt_9_pwm_evt */\
MUX_VAL(CP(UART2_RTS), (IEN | PU | M2 )) /* gpt_10_pwm_evt */\
MUX_VAL(CP(UART2_TX), (IEN | PU | M2 )) /* gpt_11_pwm_evt */\
Then I should be able to cross compile the uboot and apply it to the SD
card.
Anyone???
On Friday, October 11, 2013 4:10:09 PM UTC-5, Jon Holcomb wrote:
>
> All:
> First off, thanks to Brian Hensley and Robert Nelson for their wealth of
> information and support.
>
> I am a retiree that, after a 30+ year stint building electronic/mechanical
> devices in the medical research field in a MS Windows centric university ,
> thought that I would expand my horizons and decided to play with the BBxM.
> I am running Ubuntu 12.04 and have gotten to the point where I am ready to
> try and compile a u-boot.img in order to
> set the pinmux values. I have downloaded and ran the TI Pinmux utility
> and have made the mux.h and pinmux.h files. I have the u-boot source file
> from denx.de and have expanded it and have found the board/ti/beagle and
> evm subdirectories.
>
> I have read a lot of stuff on the internet but since things change daily I
> want to check on several things.
> Bear with me if I am asking obvious questions but I am still learning to
> get around in the linux environment and I have seen conflicting info in
> various posts.
>
> 1. Where in the tree do these files go? Do I need to make changes to
> evm.h?
> 2. I have the spidev working that RCN made available via the uEnv.txt
> change uncommenting buddy = spidev. Will my changes to the pinmux affect
> this.
> i.e Do I have to set the SPI3 and SPI 4 pins as well as the I2C pins
> in the utility?
> 3. Should I assume that the baseline that is given by the pinmux utility
> sets all of the proper pads for the correct functioning of the BBxM?
> 4. Am I going dangerously wrong in any of this??? Have I missed anything?
>
> I bought 3 BBxMs off of eBay and gave one to my buddy that just retired as
> Director of IT at the university where I worked. I had Ubuntu and lxde
> already running on the BB.
> I told him the first one is free - just like crack, and yes he is addicted.
>
> Thanks in advance for your help
> Jon
>
>
>
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