[U-Boot] [PATCH 2/4] rv1108: Enable eMMC support

[Andy Yan]

Hi Otavio:


It's better to spilt the dtsi and config header file as two patches. And 
when you send different versions , you should mark your series with v1, 
v2...

On 2018/11/19 上午4:56, Otavio Salvador wrote:
> In order to be able to build the Rockchip eMMC driver
> on rv1108, the CONFIG_BOUNCE_BUFFER option needs to be
> selected.
>
> Select it like it is done on the other Rockchip SoC common files.
>
> This also adds the pinctrl handles to enable the use of eMMC on custom
> boards (as minievk) and makes it easier for later addition.
>
> Signed-off-by: Otavio Salvador <otavio at ossystems.com.br>
> ---
>
>   arch/arm/dts/rv1108.dtsi        | 29 +++++++++++++++++++++++++++++
>   include/configs/rv1108_common.h |  3 +++
>   2 files changed, 32 insertions(+)
>
> diff --git a/arch/arm/dts/rv1108.dtsi b/arch/arm/dts/rv1108.dtsi
> index acfd97e18d..23a44bfaca 100644
> --- a/arch/arm/dts/rv1108.dtsi
> +++ b/arch/arm/dts/rv1108.dtsi
> @@ -427,6 +427,35 @@
>   			};
>   		};
>   
> +		emmc {
> +			emmc_clk: emmc-clk {
> +				rockchip,pins = <2 RK_PB6 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
> +			};
> +
> +			emmc_cmd: emmc-cmd {
> +				rockchip,pins = <2 RK_PB4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +
> +			emmc_pwren: emmc-pwren {
> +				rockchip,pins = <2 RK_PC2 RK_FUNC_2 &pcfg_pull_none>;
> +			};
> +
> +			emmc_bus1: emmc-bus1 {
> +				rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +
> +			emmc_bus8: emmc-bus8 {
> +				rockchip,pins = <2 RK_PA0 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA1 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA2 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA3 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA4 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA5 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA6 RK_FUNC_2 &pcfg_pull_up_drv_8ma>,
> +						<2 RK_PA7 RK_FUNC_2 &pcfg_pull_up_drv_8ma>;
> +			};
> +		};
> +
>   		sdmmc {
>   			sdmmc_clk: sdmmc-clk {
>   				rockchip,pins = <3 RK_PC4 RK_FUNC_1 &pcfg_pull_none_drv_4ma>;
> diff --git a/include/configs/rv1108_common.h b/include/configs/rv1108_common.h
> index 2ab3b85e0c..cc0384e2f4 100644
> --- a/include/configs/rv1108_common.h
> +++ b/include/configs/rv1108_common.h
> @@ -17,6 +17,9 @@
>   #define CONFIG_SYS_TIMER_BASE		0x10350020
>   #define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
>   
> +/* MMC/SD IP block */
> +#define CONFIG_BOUNCE_BUFFER
> +
>   #define CONFIG_SYS_SDRAM_BASE		0x60000000
>   #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_TEXT_BASE + 0x100000)
>   #define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x2000000)