[U-Boot] [PATCH v2 28/56] rockchip: rk3368: syscon: MSCH/PMUGRF/GRF support for OF_PLATDATA

[Simon Glass]

On 26 July 2017 at 04:40, Philipp Tomsich
<philipp.tomsich at theobroma-systems.com> wrote:
> The RK3368 has both a limited SPL size (just 0x7000 bytes) and the
> added challenge of booting in AArch64, which increases the code size
> for SPL (particularily when using the LP64 programming model).  For
> this reason we expect the RK3368 to always use OF_PLATDATA for its
> SPL stage.

But I thought that you had SDRAM ready by the time you boot to SPL? So
why the limit?

>
> This change adds support for the MSCH, PMUGRF and GRF register regions
> in syscon, which are necessary for initialising the RK3368's DRAM
> controller.
>
> Signed-off-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>
> Changes in v2: None
>
>  arch/arm/mach-rockchip/rk3368/syscon_rk3368.c | 35 +++++++++++++++++++++++++++
>  1 file changed, 35 insertions(+)