Re: Xscale PXA255 UART Driver
From: David Liao \(MS\) (davli_at_online.microsoft.com)
Date: 01/25/05
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Date: Tue, 25 Jan 2005 12:01:40 -0800
Are you using the XSCALE CSP from Windows CE 5.0?
It looks like the registry is not right for Windows CE 5.0 CSP driver.
David Liao
"Dongquan.Z" <dongquan@public.bta.net.cn> wrote in message
news:%23uFcLEuAFHA.1084@tk2msftngp13.phx.gbl...
>I am using the Hyper PXA255B developing board,The board have three UART:
>SUART, BTUART and FFUART.
>
> The SUART is used as a debug serial, and it works properly. I can load the
> BTUART driver successfully, and it works as COM1.
>
> Now my problem is I can't load the FFUART driver successfully! I have read
> the driver source code, and I can make sure the BTUART and FFUART use the
> same driver xsc1bd_serial.Dll. The IoBase of the BTUART is 0xa6400000, and
> the IoBase of the FFUART is 0xa6300000.
>
> The registry setting of the BTUART are as follows:
>
> [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial]
> "Dll"="xsc1bd_serial.Dll"
> "IoBase"=dword:a6400000 ;BTUART_BASE_U_VIRTUAL
> "IoLen"=dword:24
> "Irq"=dword:0 ;21 - Dummy value. This subkey is not
> really used by the driver.
> "Tsp"="Unimodem.dll"
> "DeviceArrayIndex"=dword:2
> "Prefix"="COM"
> "Order"=dword:0
> ;"Index"=dword:4
> ;"Priority256"=dword:67 ; Using default priority value
> "DeviceType"=dword:0
> "FriendlyName"=LOC_DISPLAYNAME_SERIAL
> ; Eliminate flow control bit
> "DevConfig"=hex:
> 10,00,00,00,05,00,00,00,10,01,00,00,00,4B,00,00,00,00,08,00,00,00,00,00,00
>
>
> according to the above settings, I set the FFUART registry as:
>
> [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1]
> "Dll"="xsc1bd_serial.Dll"
> "IoBase"=dword:a6300000 ;FFUART_BASE_U_VIRTUAL
> "IoLen"=dword:24
> "Irq"=dword:0 ;21 - Dummy value. This subkey is
> not really used by the driver.
> "Tsp"="Unimodem.dll"
> "DeviceArrayIndex"=dword:3
> "Prefix"="COM"
> "Order"=dword:0
> ;"Index"=dword:4
> ;"Priority256"=dword:68 ; Using default priority value
> "DeviceType"=dword:0
> "FriendlyName"=LOC_DISPLAYNAME_SERIAL
> ; Eliminate flow control bit
> "DevConfig"=hex:
> 10,00,00,00,05,00,00,00,10,01,00,00,00,4B,00,00,00,00,08,00,00,00,00,00,00
>
> but, the FFUART driver can't load successfully.
>
> Please help me!
>
>
> Thanks
>
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