[U-Boot] [PATCH 10/19] x86: Move ECC initialisation outside RAM initialisation
Wolfgang Denk
wd at denx.de
Mon Oct 4 12:21:06 CEST 2010
Dear Graeme Russ,
In message <4CA9A70B.6030302 at gmail.com> you wrote:
>
> >> +#if CONFIG_SYS_SDRAM_ECC_ENABLE
> >> + /* Skip ECC initialization if not starting from cold-reset */
> >> + movl %ebx, %ecx
> >> + andl $GD_FLG_COLD_BOOT, %ecx
> >> + jz ecc_init_ret
> >
> > But the label you added is called 'init_ecc_ret'. Are you sure the
> > name is correct here?
>
> Yes, if the board has not been cold-booted (i.e. a new U-Boot image has
> been loaded into RAM and executed) we must skip ECC initialization (it
> destroys the contents of memory)
>
> >
> >> + mov $init_ecc_ret, %ebp
> >> + jmp init_ecc
> >> +
> >> +init_ecc_ret:
Sergei did not question the code itself, but the possible confusion
between "ecc_init_ret" versus "init_ecc_ret", which both were added
with the same commit, so it seems likely both should actually be the
_same_ name?
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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