[PATCH 10/11] rockchip: rk3288-miqi: Fix slow Ethernet initializion

[Kever Yang]

On 2024/11/6 05:51, Jonas Karlman wrote:
> For some reason the Ethernet PHY reset delay is set to 1 second, this
> cause an unneccecery long boot delay.
>
> MiQi use RTL8211 Ethernet PHY, datasheet list an initial 10ms delay and
> then a 30-76ms delay before accessing registers.
>
> Change to use 80ms delay instead of a full second to speed up Ethernet
> initializion in U-Boot.
>
> Also enable PHY_REALTEK, DM_ETH_PHY and PHY_GIGE to improve Ethernet PHY
> support in U-Boot.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3288-miqi-u-boot.dtsi | 4 ++++
>   configs/miqi-rk3288_defconfig        | 3 +++
>   2 files changed, 7 insertions(+)
>
> diff --git a/arch/arm/dts/rk3288-miqi-u-boot.dtsi b/arch/arm/dts/rk3288-miqi-u-boot.dtsi
> index 4361b35d6c8f..e5c7e761c46f 100644
> --- a/arch/arm/dts/rk3288-miqi-u-boot.dtsi
> +++ b/arch/arm/dts/rk3288-miqi-u-boot.dtsi
> @@ -41,6 +41,10 @@
>   	bootph-some-ram;
>   };
>   
> +&gmac {
> +	snps,reset-delays-us = <0 10000 80000>;
> +};
> +
>   &gpio7 {
>   	/delete-property/ bootph-all;
>   	bootph-pre-ram;
> diff --git a/configs/miqi-rk3288_defconfig b/configs/miqi-rk3288_defconfig
> index ee9917149734..55e8d30f675f 100644
> --- a/configs/miqi-rk3288_defconfig
> +++ b/configs/miqi-rk3288_defconfig
> @@ -55,6 +55,9 @@ CONFIG_MISC=y
>   CONFIG_ROCKCHIP_EFUSE=y
>   CONFIG_MMC_DW=y
>   CONFIG_MMC_DW_ROCKCHIP=y
> +CONFIG_PHY_REALTEK=y
> +CONFIG_DM_ETH_PHY=y
> +CONFIG_PHY_GIGE=y
>   CONFIG_ETH_DESIGNWARE=y
>   CONFIG_GMAC_ROCKCHIP=y
>   CONFIG_PINCTRL=y