From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] PPC440EP UART 4port enble
Date: Tue, 11 Nov 2008 08:24:10 +0100 [thread overview]
Message-ID: <200811110824.10776.sr@denx.de> (raw)
In-Reply-To: <001701c943c7$9b0f16a0$d12d43e0$@com>
On Tuesday 11 November 2008, ??? 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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next prev parent reply other threads:[~2008-11-11 7:24 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-11 6:34 [U-Boot] PPC440EP UART 4port enble 조기성
2008-11-11 7:24 ` Stefan Roese [this message]
2008-11-11 11:03 ` 조기성
2008-11-11 13:12 ` Stefan Roese
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