[U-Boot] [U-Boot, v2, 4/4] arm: am33xx: Add support for mulitiple PLL input frequencies

[Robert Nelson]

On Fri, Jun 9, 2017 at 3:00 PM, Tom Rini <trini at konsulko.com> wrote:
> On Fri, Jun 09, 2017 at 02:45:32PM -0500, Robert Nelson wrote:
>> > Ah, the problem with BBB is that it wants to boot from eMMC, not SD,
>> > unless the button is pressed.  It's possible, and I'd have to look at
>> > the TRM and maybe the schematic, to see about changing the order, or
>> > being able to remote boot it with a blank eMMC.
>>
>> The button is routed to the expansion header..
>>
>> I've got a few hot-wired..
>>
>> GND: P8_43
>
> Ah, so if I wire P8_43 to ground, the button will always be pressed?
> Neat, I need to go try that..

Correct!

Then eMMC won't be even looked at:

<normal>
mmc1
mmc0
usart0
usb0

<push/button, P8_43/GND>
SPI0
mmc0
usb0
uart0

Regards,

-- 
Robert Nelson
https://rcn-ee.com/