Hi,
basement_mobile2004 <> [20080313 13:41:06 -0000]:
>
> I'm trying to access DIO registers from kernel space but it
> redirects the address to upper addresses.
>
> [snipped]
>
> Result:
> Unable to handle kernel paging request at virtual address 72000000
> pgd = c511c000
> [72000000] *pgd=00000000, *pmd = 00000000
>
don't get excited, I'm curious about the answer to this too. I have no idea
about physical and virtual memory; however I would have expected the macros
__phys_to_virt() and __virt_to_phys() to have helped me.
Once I know this secret, the regular rtc-m48t86.c driver in the linux kernel
will work along with (hopefully) the orion_nand.c MTD driver.
A plea to the Clued(tm) out there....pointers please. :)
Cheers
Alex
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