[U-Boot] [PATCH v2 2/8] arm: socfpga: gen5: add reset & sdr node to SPL devicetrees

Marek Vasut marex at denx.de
Thu Feb 21 22:05:18 UTC 2019


On 2/21/19 11:03 PM, Simon Goldschmidt wrote:
> 
> 
> Am Do., 21. Feb. 2019, 22:56 hat Marek Vasut <marex at denx.de
> <mailto:marex at denx.de>> geschrieben:
> 
>     On 2/21/19 10:43 PM, Simon Goldschmidt wrote:
>     > The SPL for socfpga gen5 currently takes all peripherals out of reset
>     > unconditionally. To implement proper reset handling for peripherals,
>     > the reset node has to be provided with the SPL dts.
>     >
>     > In preparation to move the DDR driver to DM, the sdr node is required
>     > in SPL, too.
>     >
>     > This patch adds "u-boot,dm-pre-reloc" to U-Boot specific dtsi addon
>     > files so that the reset manager and SDR driver correctly probe in SPL.
>     >
>     > Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com
>     <mailto:simon.k.r.goldschmidt at gmail.com>>
>     > ---
>     >
>     > Changes in v2: None
>     >
>     >  arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi          | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_dbm_soc1.dts             | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_de0_nano_soc-u-boot.dtsi | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_de10_nano.dts            | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_de1_soc.dts              | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_is1.dts                  | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_socdk-u-boot.dtsi        | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_sockit-u-boot.dtsi       | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_socrates-u-boot.dtsi     | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_sr1500.dts               | 8 ++++++++
>     >  arch/arm/dts/socfpga_cyclone5_vining_fpga-u-boot.dtsi  | 8 ++++++++
>     >  11 files changed, 88 insertions(+)
>     >
>     > diff --git a/arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi
>     b/arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi
>     > index c44d1ee2fa..8aaec56285 100644
>     > --- a/arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi
>     > +++ b/arch/arm/dts/socfpga_arria5_socdk-u-boot.dtsi
>     > @@ -17,6 +17,14 @@
>     >       };
>     >  };
>>     > +&rst {
>     > +     u-boot,dm-pre-reloc;
>     > +};
>     > +
>     > +&sdr {
>     > +     u-boot,dm-pre-reloc;
>     > +};
> 
>     What about some socfpga-common-u-boot.dtsi to avoid duplication ?
> 
> 
> Right. I tested with 'socfpga-u-boot.dtsi' but the hot included for
> gen10 as well.

hot included ? I don't think I understand.

> But your suggested name should work fine I guess.
> 
> Regards,
> Simon
> 


-- 
Best regards,
Marek Vasut


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