[U-Boot] [PATCH 7/8] mpc512x: Adjust the DRAM init sequence to the datasheet spec

Wolfgang Denk wd at denx.de
Sat Mar 9 14:46:15 CET 2013


Dear Anatolij Gustschin,

In message <1360317830-28525-8-git-send-email-agust at denx.de> you wrote:
> Do maintain a 200 usecs period of stable power and clock before
> asserting the CKE signal and sending commands, have at least 200
> DRAM clock cycles pass after initialization before data access.
> 
> Signed-off-by: Anatolij Gustschin <agust at denx.de>
> ---
>  arch/powerpc/cpu/mpc512x/fixed_sdram.c |   17 ++++++++++++++++-
>  arch/powerpc/include/asm/immap_512x.h  |    1 +
>  2 files changed, 17 insertions(+), 1 deletions(-)

Applied to u-boot-mpc5xxx repo, thanks.

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


More information about the U-Boot mailing list