Re: [Qemu-devel] [PATCH v5 1/1] xlnx-zynqmp: Add support for high DDR memory regions

[Peter Maydell <peter.maydell@linaro.org>]

On 12 January 2016 at 22:39, Alistair Francis
<alistair.francis@xilinx.com> wrote:
> The Xilinx ZynqMP SoC and EP108 board supports three memory regions:
>  - A 2GB region starting at 0
>  - A 32GB region starting at 32GB
>  - A 256GB region starting at 768GB
>
> This patch adds support for the first two memory regions, which is
> automatically created based on the size specified by the QEMU memory
> command line argument.
>
> On hardware the physical memory region is one continuous region, it is then
> mapped into the three different regions by the DDRC. As we don't model the
> DDRC this is done at startup by QEMU. The board creates the memory region and
> then passes that memory region to the SoC. The SoC then maps the memory
> regions.
>
> Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
> Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
> ---
> V5:
>  - Fix compilation on 32-bit host issue
> V4:
>  - Small fixes
>  - Localisation of ram_size
> V3:
>  - Assert on the RAM sizes
>  - Remove ram_size property
>  - General fixes
> V2:
>  - Create one continuous memory region and pass it to the SoC



Applied to target-arm.next, thanks.

-- PMM