[U-Boot] [PATCH] ppc4xx: Canyonlands-NAND-boot: Support 2 Crucial 512MByte SODIMM's

[Stefan Roese]

On Wednesday 29 July 2009 16:25:54 Stefan Roese wrote:
> Some Canyonlands boards are equipped with different SODIMM's. This is no
> problem with the "normal" NOR booting Canyonlands U-Boot, since it
> automatically detects the SODIMM's via SPD data and correctly configures
> them. But the NAND booting version is different. Here we only have 4k
> of image size to completely setup the hardware, including DDR2 setup.
> So we need to use a fixed DDR2 setup here. This doesn't work for different
> SODIMM's right now.
>
> Currently only this Crucial SODIMM is support:
> CT6464AC667.8FB (dual ranked)
>
> Now some boards are shipped with this SODIMM:
> CT6464AC667.4FE (single ranked)
>
> This patch now supports both SODIMM's by configuring first for the dual
> ranked DIMM. A quick shows, if this module is really installed. If this
> test fails, the DDR2 controller is re-configured for the single
> ranked SODIMM.
>
> Tested with those SODIMM's:
>
> CT6464AC667.8FB (dual ranked)
> CT6464AC667.4FE (single ranked)
>
> Signed-off-by: Stefan Roese <sr at denx.de>

Applied to u-boot-ppc4xx/master. Thanks.

Best regards,
Stefan

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