[U-Boot] PPC460GT Canyonlands tlb table overlap?

Stefan Roese sr at denx.de
Wed Jan 14 12:52:29 CET 2009


On Sunday 11 January 2009, vb wrote:
> The Canyonland board's init.s file (board/amcc/canyonlands/init.S)
> defines the contents of the TLB table for that target, it has these
> two records in the table among others:
>
> vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
>
>         tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC,
> AC_R|AC_W|SA_G|SA_I)
>
>         tlbentry(CFG_PCIE_BASE, SZ_16K, 0x08010000, 0xC,
> AC_R|AC_W|SA_G|SA_I)
>
> ^^^^^^^^^^^^^^^^^^^^^^^^
>
> Am I missing something, or do they indeed overlap (the first record in
> fact encapsulates the second one on the physical address side).

You seem to be correct. This physical addresses overlap. Not sure if this 
really is a problem. A patch to fix this would be welcome. :)

Best regards,
Stefan

=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de
=====================================================================


More information about the U-Boot mailing list