[U-Boot] [U-Boot, 2/4] rockchip: rk322x: update dts node for mmc

Philipp Tomsich philipp.tomsich at theobroma-systems.com
Wed Jul 26 17:42:50 UTC 2017



On Wed, 26 Jul 2017, Kever Yang wrote:

> mmc using 150000000 as max-frequency and do not use fifo-mode.

Could you expand on the message here (for the benefit of someone reading 
this a couple years down the line): did your enabled the FIFO mode now 
that the DRAM protection was disabled (which is my guess)?

>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> Acked-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>
> ---
>
> arch/arm/dts/rk3229-evb.dts | 2 --
> arch/arm/dts/rk322x.dtsi    | 4 ++--
> 2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/dts/rk3229-evb.dts b/arch/arm/dts/rk3229-evb.dts
> index 1eac37d..ae0b0a4 100644
> --- a/arch/arm/dts/rk3229-evb.dts
> +++ b/arch/arm/dts/rk3229-evb.dts
> @@ -68,7 +68,6 @@
>
> &emmc {
> 	u-boot,dm-pre-reloc;
> -	fifo-mode;
> 	status = "okay";
> };
>
> @@ -79,7 +78,6 @@
> 	cap-sd-highspeed;
> 	card-detect-delay = <200>;
> 	disable-wp;
> -	max-frequency = <50000000>;
> 	num-slots = <1>;
> 	supports-sd;
> };
> diff --git a/arch/arm/dts/rk322x.dtsi b/arch/arm/dts/rk322x.dtsi
> index ddbe113..22324f9 100644
> --- a/arch/arm/dts/rk322x.dtsi
> +++ b/arch/arm/dts/rk322x.dtsi
> @@ -388,6 +388,7 @@
> 	sdmmc: dwmmc at 30000000 {
> 		compatible = "rockchip,rk3228-dw-mshc", "rockchip,rk3288-dw-mshc";
> 		reg = <0x30000000 0x4000>;
> +		max-frequency = <150000000>;
> 		interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> 		clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>,
> 			 <&cru SCLK_SDMMC_DRV>, <&cru SCLK_SDMMC_SAMPLE>;
> @@ -414,9 +415,8 @@
> 	emmc: dwmmc at 30020000 {
> 		compatible = "rockchip,rk3288-dw-mshc";
> 		reg = <0x30020000 0x4000>;
> +		max-frequency = <150000000>;
> 		interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> -		clock-frequency = <37500000>;
> -		max-frequency = <37500000>;
> 		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
> 			 <&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
> 		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
>


More information about the U-Boot mailing list