Hello Gopa, The ioremap() should be used with IO memory only not with processor physical address. For your information Regards Jhoney On Thu, 21 Oct 2004 Thekkedath,Gopakumar wrote : > > > >virtual_address = __va(0xfdf00000) to get the virtual address for > >CCSRBAR , which contains fdf00000 at offset zero.(It contains it's > >address at the offset zero from the CCSRBAR). > > >If I dereference the virtual_address( *virtual_address = fdf00000) > >it should contain the same address. But when i tried this , it result in > >segmentation fault. pls give me any clue. > > I am not sure, but probably you should use ioremap().
