Accessing flash directly from User Space

Bill Gatliff bgat at
Wed Oct 28 07:30:17 EST 2009

Jonathan Haws wrote:
>>> How can I get that pointer?  Unfortunately I cannot simply use the
>> address of the flash.  Is there some magical function call that
>> gives me access to that portion of the memory space?
>> $ man 2 mmap
>> You want MAP_SHARED and O_SYNC.
> To use that I need to have a file descriptor to a device, do I not?  However, I do not have a base flash driver to give me that file descriptor.  Am I missing something with that call?



Bill Gatliff
bgat at

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