[U-Boot] [PATCH 088/126] x86: Set the DRAM banks to reflect real location

Bin Meng bmeng.cn at gmail.com
Thu Oct 10 09:03:35 UTC 2019


On Wed, Sep 25, 2019 at 10:59 PM Simon Glass <sjg at chromium.org> wrote:
>
> At present with fsp a single DRAM bank is added which extends to the
> whole size of memory. However there is typically only 2GB of memory
> available below the 4GB boundary, and this is what is used by U-Boot while
> running in 32-bit mode.
>
> Scan the tables to set the banks correct. The first bank is set to memory
> below 4GB, and the rest of memory is put into subsequent banks.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  arch/x86/lib/fsp/fsp_dram.c | 32 +++++++++++++++++++++++++++++++-
>  1 file changed, 31 insertions(+), 1 deletion(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>


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