[U-Boot] [PATCH 0/6] rk3399: enable SPL driver

[Simon Glass]

Hi Kever,

On 4 February 2017 at 17:41, Kever Yang <kever.yang at rock-chips.com> wrote:
> Hi Simon,
>
> On 01/24/2017 09:51 PM, Simon Glass wrote:
>
> Hi Kever,
>
> On 18 January 2017 at 05:16, Kever Yang <kever.yang at rock-chips.com> wrote:
>> This series patch enable basic driver for rk3399 SPL, the ATF support
>> has been split as a separate patch.
>>
>> SPL_OF_PLATDATA is consider to be must because the dram driver has much
>> configuration parameter from dts, but we don't want to do the copy.
>>
>> Other driver like clock, pinctrl, sdhci has update to support
>> OF-PLATDATA.
>>
>>
>>
>> Kever Yang (6):
>> arm64: rk3399: add ddr controller driver
>> arm64: rk3399: move grf register definitions to grf_rk3399.h
>> clk: rk3399: update driver for spl
>> sdhci: rk3399: update driver to support of-platdata
>> pinctrl: rk3399: add the of-platdata support
>> arm64: rk3399: add SPL support
>
> What is the limit in SPL size on rk3399?
>
>
> rk3399 has 192KB internal SRAM, the bootrom use the first 8K,
> so the SPL size limit should be 184KB.

The of-platdata feature is intended for highly constrained devices
where there is not enough SRAM for libfdt. To me it does not seem
worth the pain of using it for this chip, which has plenty of SRAM.

Regards,
Simon