On 3 Dec 2015 07:46, "Victor Chong" <victor.chong@linaro.org> wrote:
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> On Thursday, December 3, 2015, Kevin Hilman <khilman@kernel.org> wrote:
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>> aaaaah! I wasn't expecting partial output on UART0, then on UART3.
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> Yea.. the partial output can usually be ignored for the most part unless you're working on those components directly.
>  
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>> After setting the right jumper settings on the UART board, I'm now
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>> seeing the BL1 on UART0 and the rest on UART3 (a.k.a. UART1 on the UART
>> board... which is also confusing.)

It's more confusing than that. The UART board gives you UART2 & UART3. UART0 isn't available to it.

g.

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> Oh right. You can set the jumper to UART0 as well if you don't have the 4-pin header on the main board so I guess technically the UART board is both 0 and 3, not just 3 (or 1 if we want to confuse ourselves further :s).
>  
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>> Thanks for the explanation and the help.
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> You're welcome.
>  
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>> Next step, built a mainline u-boot that's using the UART board...
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> Fyi both arm-tf and edk2 have a build time option to use UART0 for those who prefer it. Not sure if that's required for u-boot or not. For the kernel you can just change the boot command line to use UART0 so no rebuilding required. See https://github.com/96boards/documentation/wiki/HiKeyUEFI for details.
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>>
>> Kevin
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>>
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