Thanks for your answers.
I tried to include coldfire.h and m5282sim.h but I have the same error.
With the ssvhwa module it works so I'm going to use this.
Regards Valentin
2008/8/15 Greg Ungerer <[EMAIL PROTECTED]>
> Hi Valentin,
>
>
> Valentin Favreau wrote:
>
>> I'm new on uClinux/coldifre and I have a problem with the GPIO.
>>
>> I found, on the Internet, that I just need to set up a pointer to the I/O
>> address to access to the I/O but when I run my application on uClinux the
>> error message "Memory Fault" appears and my application quit.
>>
>> Here is my simple test code:
>>
>> #define GPTADR (*(volatile unsigned char *)0x401a001d)
>> #define GPTADDR (*(volatile unsigned char *)0x401a001e)
>>
>> int main(void){
>> GPTADDR = 0xFF;
>>
>> return 0;
>> }
>>
>> I'm working on the DNP/5280 board, Coldfire 5282.
>> I use this command to compile my code:
>> m68k-uclinux-gcc –Wall –m5307 –Wl,-elf2flt –Os –o hello hello.c –lc
>>
>> Does anyone has an idea to solve my problem?
>>
>
> On some platforms, this can be due to the protection register
> settings of some ColdFire CPU's. They will generate a trap on
> user mode access to system registers. (You can change this
> behavior so that they are allowed ofcourse - but the kernel
> will have to do it).
>
> Regards
> Greg
>
>
> ------------------------------------------------------------------------
> Greg Ungerer -- Chief Software Dude EMAIL: [EMAIL PROTECTED]
> Secure Computing Corporation PHONE: +61 7 3435 2888
> 825 Stanley St, FAX: +61 7 3891 3630
> Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com
>
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