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Linux/BEAGLEBK: Changing console UART in U-boot

Part Number: BEAGLEBK

Tool/software: Linux

I am building Arago for Processor SDK 04.02.00.09.

I am trying to change UART0 to UART1 in u-boot.  I added the following line to configs/am335x_boneblack_defconfig:

CONFIG_CONS_INDEX=2

That moves the u-boot console to UART1, however the SPL is still using UART0.  I've also tried updating the DTS file for UART1:

     chosen {
        stdout-path = &uart1;
     };

I've made that change in:

arch/arm/dts/am335x-evm.dts

arch/arm/dts/am335x-boneblack.dts

arch/arm/dts/am335x-bone-common.dtsi

However the SPL still outputs on UART0.  Where can I configure the u-boot SPL UART?