[PATCH 3/5] rockchip: rockpro64: Use SDMA to boost eMMC performance

[Kever Yang]

On 2023/5/7 01:41, Jonas Karlman wrote:
> Enable the use of SDMA mode to boost eMMC performance on RockPro64.
> Also add missing flags to indicate the supported MMC modes.
>
> Using mmc read command to read 32 MiB data shows following improvement:
>
>    => time mmc read 10000000 2000 10000
>
> Before: time: 3.178 seconds
> After: time: 0.402 seconds
>
> This also enables CONFIG_SPL_FIT_SIGNATURE option to help discover
> any possible future issue with loading TF-A into DRAM/SRAM.
>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   arch/arm/dts/rk3399-rockpro64-u-boot.dtsi | 5 +++++
>   configs/rockpro64-rk3399_defconfig        | 2 ++
>   2 files changed, 7 insertions(+)
>
> diff --git a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> index 32a83b2855ac..bd864d067018 100644
> --- a/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> +++ b/arch/arm/dts/rk3399-rockpro64-u-boot.dtsi
> @@ -15,6 +15,11 @@
>   	};
>   };
>   
> +&sdhci {
> +	cap-mmc-highspeed;
> +	mmc-ddr-1_8v;
> +};
> +
>   &spi1 {
>   	spi_flash: flash at 0 {
>   		bootph-all;
> diff --git a/configs/rockpro64-rk3399_defconfig b/configs/rockpro64-rk3399_defconfig
> index 2b89b1baba51..0ca2cecade25 100644
> --- a/configs/rockpro64-rk3399_defconfig
> +++ b/configs/rockpro64-rk3399_defconfig
> @@ -20,6 +20,7 @@ CONFIG_SPL_SPI=y
>   CONFIG_SYS_LOAD_ADDR=0x800800
>   CONFIG_PCI=y
>   CONFIG_DEBUG_UART=y
> +CONFIG_SPL_FIT_SIGNATURE=y
>   CONFIG_BOOTSTAGE=y
>   CONFIG_BOOTSTAGE_REPORT=y
>   CONFIG_USE_PREBOOT=y
> @@ -63,6 +64,7 @@ CONFIG_ROCKCHIP_EFUSE=y
>   CONFIG_MMC_DW=y
>   CONFIG_MMC_DW_ROCKCHIP=y
>   CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_SDMA=y
>   CONFIG_MMC_SDHCI_ROCKCHIP=y
>   CONFIG_SF_DEFAULT_BUS=1
>   CONFIG_SPI_FLASH_GIGADEVICE=y