Thread (2 messages) 2 messages, 2 authors, 2011-05-23

Fwd: UART #1 access on Sequoia board

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From: Muhammad Waseem <hidden>
Date: 2011-05-23 19:22:39

I am using kernel version 2.6.23 which came with the Sequoia support CD. So
that means UART # 1 BSP would probably not there?  But device file
/dev/ttyS1 is present in rootfs when listed using 'ls'. Do you think
updating the kernel might solve the problem?

BTW where can I see the board's DTS file?

--
Waseem




On Mon, May 23, 2011 at 5:40 PM, Josh Boyer [off-list ref]wrote:
On Mon, May 23, 2011 at 11:34:26AM +0500, Muhammad Waseem wrote:
quoted
Hello,
  I am working on PPC440EPx (Sequoia) to access its UART # 1 port for
data
quoted
transfer, while UART # 0 is connected to remote terminal access on host.
However there is no module/driver listed for UART # 1 using 'lsmod'. The
kernel version is 2.6.23. How can I access the UART # 1 in user space
and/or
quoted
kernel space? Do I need to develop own BSP for this? please help.
The driver is normally built into the kernel.  If the board DTS file has
both UARTs listed, and you have /dev/ttyS1 on your rootfs you should be
able to use it.  However, Sequoia wasn't added until 2.6.24, so I'm not
really sure what kernel flavor you are using.

josh
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