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

[Dr. Philipp Tomsich]

> On 28 Jul 2017, at 05:38, Simon Glass <sjg at chromium.org> wrote:
> 
> 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?

Another commit message from before I moved to having a TPL.
Having another set of eyes look at these is priceless.

> 
>> 
>> 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(+)