Suggested subject tweak:
Silicon/Socionext/SynQuacer/DeviceTree: expose SCP serial port to the OS ->
Silicon/Socionext/SynQuacer: add UART #0 node to DT

with that:
Reviewed-by: Leif Lindholm <[email protected]>

On Tue, Dec 12, 2017 at 10:38:06AM +0000, Ard Biesheuvel wrote:
> From: Masahisa KOJIMA <[email protected]>
> 
> In order to be able to use UART #0 on the DeveloperBox's 96boards low
> speed connector,  expose it to the OS by adding a node to the device
> tree. This requires a CM3 firmware build that makes the SCP detach
> from the serial port after boot.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Masahisa KOJIMA <[email protected]>
> Signed-off-by: Ard Biesheuvel <[email protected]>
> ---
>  Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi 
> b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> index c9fee5d1f350..37a3981f0360 100644
> --- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> +++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> @@ -440,6 +440,15 @@
>          clock-names = "uartclk", "apb_pclk";
>      };
>  
> +    fuart: fuart@51040000 {
> +        compatible = "snps,dw-apb-uart";
> +        reg = <0x0 0x51040000 0x0 0x1000>;
> +        interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>;
> +        clock-frequency = <62500000>;
> +        reg-io-width = <4>;
> +        reg-shift = <2>;
> +    };
> +
>      clk_netsec: refclk125mhz {
>          compatible = "fixed-clock";
>          clock-frequency = <125000000>;
> -- 
> 2.11.0
> 
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