UartLite for MontaVista - virtex4

[Jantira Hengmeechai (Tai)]

Hi Tim,

Could you tell me where exactly to get the  "xuartlite_serial.c" ?

I could not find "xuartlite_serial.c" in the drivers folder generated by EDK 
.
(\ppc405_0\libsrc\linux_mvl31_v1_01_b\linux\drivers\char\xilinx_uartlite)

Look forward to hearing from you.
Thanks,
Tai
-----Original Message-----
From: "Martin, Tim" <tim.martin at viasat.com>
To: "Jantira Hengmeechai \(Tai\)" <Hengmeej at linsys.ca>, 
<linuxppc-embedded at ozlabs.org>
Date: Wed, 14 Mar 2007 11:12:55 -0700
Subject: RE: UartLite for MontaVista - virtex4


>   Xilinx OS Independent Code XAssert: xuartlite.c:195
>   Code may crash due to unhandled errors.
>   Xilinx OS Independent Code XAssert: xuartlite.c:195
>   Code may crash due to unhandled errors.
>   Xilinx OS Independent Code XAssert: xuartlite.c:195
>   Code may crash due to unhandled errors.
>   Xilinx OS Independent Code XAssert: xuartlite.c:195
>   Code may crash due to unhandled errors.

This code is...

unsigned int XUartLite_Send(XUartLite *InstancePtr, u8 *DataBufferPtr,
                            unsigned int NumBytes)
{
    unsigned int BytesSent;
    u32 StatusRegister;

    /*
     * Assert validates the input arguments
     */
    XASSERT_NONVOID(InstancePtr != NULL);
    XASSERT_NONVOID(DataBufferPtr != NULL);
    XASSERT_NONVOID(InstancePtr->IsReady == XCOMPONENT_IS_READY);
    XASSERT_NONVOID(((signed)NumBytes) >= 0); // Line 195

There's a patch against the file xuartlite_serial.c to fix a problem
where a backlog of bytes causes NumBytes to be a negative number.
Grab the latest xuartlite_serial.c file from your EDK distribution.

Tim
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