[U-Boot-Users] [PATCH] PPC40x: Rework CFG_INIT_DCACHE_CS Block to Avoid Machine Checks
Wolfgang Denk
wd at denx.de
Sun May 18 22:38:02 CEST 2008
In message <1210973711-1855-1-git-send-email-gerickson at nuovations.com> you wrote:
>
...
> cpu/ppc4xx/start.S:
> Reworked code to handle the primordial stack and data area initialization when CFG_INIT_DCACHE_CS is asserted.
...
> - * Boards like the Kilauea (405EX) don't have OCM and can't use
> - * DCache for init-ram. So setup stack here directly after the
> - * SDRAM is initialized.
> + * For boards that don't have OCM and can't use the data cache
> + * for their primordial stack, setup stack here directly after the
> + * SDRAM is initialized in ext_bus_cntlr_init.
Was there ever a useful explanation given why these boards should not
be able to use DC as initial RAM?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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