[ts-7000] Re: xuart7350 and pc104 io issue

["PeterElliot" <>]

Hi Fred,

You're defining EXTIO_PAGE as 8-bit access and then poking 32-bit values to it. 
I don't know if this has anything to do with the problem.

Also how is EXTIO_BASE defined? 

Regards,

PJE

--- In  "fredolamainfroide" <> wrote:
>
> Hi,
> After having loaded module xuart7350.ko on my TS7370 board, the system freeze 
> when I setup PC104 port A (or B) direction:
> 
> ---------
> EXTIO_PAGE = (unsigned char *)mmap(0, getpagesize(), PROT_READ|PROT_WRITE, 
> MAP_SHARED, fd, EXTIO_BASE);
> 
> assert(&EXTIO_PAGE != MAP_FAILED);
> 
> poke32(EXTIO_PAGE + 0x90, 0xFFFFFFFF);
> ----------
> 
> This code works properly without xuart7350.ko module loaded, but not !
> 
> Could you help me ?
> Fred
>




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