[U-Boot] PPC440EP UART 4port enble

[Stefan Roese]

On Tuesday 11 November 2008, 조기성 wrote:
> We have designed a new PPC440EP yosemite based board.
> But we are using UART 4port tx,rx( 2pin UART0, 1, 2, 3)
> But current It only works 2port(UART0, UART1).
> I read user manual then changed  u-boot's GPIO bit flag blows.
> But it's now working, How can I do that?

I suggest that you switch in your board port to the GPIO multiplexing 
initialization via the CONFIG_SYS_4xx_GPIO_TABLE definition. As an example 
for 440EP take a look at the pcs440ep board port. It's easier and less error 
prone to change the pin configuration in this table.

Best regards,
Stefan

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