[U-Boot] [PATCH] mpc83xx: mpc8360emds: rework LBC SDRAM setup

Wolfgang Denk wd at denx.de
Mon Oct 13 14:40:02 CEST 2008


Dear Kim,

In message <20080910141237.GA13491 at oksana.dev.rtsoft.ru> Anton
Vorontsov wrote:
> Currently 64M of LBC SDRAM are mapped at 0xF0000000 which makes
> it difficult to use (b/c then the memory is discontinuous and
> there is quite big memory hole between the DDR/SDRAM regions).
> 
> This patch reworks LBC SDRAM setup so that now we dynamically
> place the LBC SDRAM near the DDR (or at 0x0 if there isn't any
> DDR memory).
> 
> With this patch we're able to:
> 
> - Boot without external DDR memory;
> - Use most "DDR + SDRAM" setups without need to support for
>   sparse/discontinuous memory model in the software.
> 
> Signed-off-by: Anton Vorontsov <avorontsov at ru.mvista.com>
> ---
>  board/freescale/mpc8360emds/mpc8360emds.c |   39 ++++++++++++++++++++---------
>  include/configs/MPC8360EMDS.h             |   25 ++++++++----------
>  2 files changed, 38 insertions(+), 26 deletions(-)

I think this patch was not added, nor was any feedback sent?

Please comment.

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
"There are three principal ways to lose money: wine, women,  and  en-
gineers.  While  the first two are more pleasant, the third is by far
the more certain."                      -- Baron Rothschild, ca. 1800


More information about the U-Boot mailing list