From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] Relocating u-boot console
Date: Wed, 14 Oct 2009 10:00:45 -0400 [thread overview]
Message-ID: <200910141000.45604.vapier@gentoo.org> (raw)
In-Reply-To: <4AD5D66F.7020700@arcor.de>
On Wednesday 14 October 2009 09:47:27 Matthias Wei?er wrote:
> Is it possible to relocate the u-boot console depending on the state of
> some GPIO pins (e.g. in board_init or board_late_init)? Currently I have
> the following serial configuration for my board:
>
> #define CONFIG_SERIAL_MULTI
> #define CONFIG_SYS_NS16550
> #define CONFIG_SYS_NS16550_SERIAL
> #define CONFIG_SYS_NS16550_REG_SIZE (-4)
> #define CONFIG_SYS_NS16550_CLK CONFIG_JADE_IOCLK
> #define CONFIG_SYS_NS16550_COM1 0xfffe1000
> #define CONFIG_SYS_NS16550_COM2 0xfff50000
> #define CONFIG_SYS_NS16550_COM3 0xfff51000
> #define CONFIG_SYS_NS16550_COM4 0xfff43000
> #define CONFIG_CONS_INDEX 4
>
> This results in a console on COM4. Now I would like to have the console
> on COM1 under some circumstances for maintanance reasons.
if your devices fit into the stdio framework, simply change the
std{err,in,out} env vars in your board code
-mike
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next prev parent reply other threads:[~2009-10-14 14:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-14 13:47 [U-Boot] Relocating u-boot console Matthias Weißer
2009-10-14 14:00 ` Mike Frysinger [this message]
2009-10-14 15:26 ` Matthias Weißer
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