[U-Boot] [PATCH 3/8] arm: imx7s-warp: Convert to DM MMC initialization

Peng Fan peng.fan at nxp.com
Tue Jan 8 13:22:06 UTC 2019


Hi Bryan,

> -----Original Message-----
> From: Bryan O'Donoghue [mailto:bryan.odonoghue at linaro.org]
> Sent: 2019年1月3日 9:45
> To: u-boot at lists.denx.de
> Cc: Fabio Estevam <fabio.estevam at nxp.com>; Peng Fan
> <peng.fan at nxp.com>; Bryan O'Donoghue <bryan.odonoghue at linaro.org>;
> Albert Aribaud <albert.u.boot at aribaud.net>; Stefano Babic
> <sbabic at denx.de>
> Subject: [PATCH 3/8] arm: imx7s-warp: Convert to DM MMC initialization
> 
> Converts from fixed initialization of MMC to DM initialization of MMC.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue at linaro.org>
> Cc: Albert Aribaud <albert.u.boot at aribaud.net>
> Cc: Peng Fan <peng.fan at nxp.com>
> Cc: Fabio Estevam <fabio.estevam at nxp.com>
> Cc: Stefano Babic <sbabic at denx.de>
> ---
>  arch/arm/dts/imx7s-warp.dts  | 11 -----------
>  board/warp7/warp7.c          | 34 ----------------------------------
>  configs/warp7_bl33_defconfig |  1 +
>  configs/warp7_defconfig      |  1 +
>  4 files changed, 2 insertions(+), 45 deletions(-)
> 
> diff --git a/arch/arm/dts/imx7s-warp.dts b/arch/arm/dts/imx7s-warp.dts
> index c44db20734..615ed7ed80 100644
> --- a/arch/arm/dts/imx7s-warp.dts
> +++ b/arch/arm/dts/imx7s-warp.dts
> @@ -251,17 +251,6 @@
>  	status = "okay";
>  };
> 
> -&usdhc1 {
> -	pinctrl-names = "default";
> -	pinctrl-0 = <&pinctrl_usdhc1>;
> -	bus-width = <4>;
> -	keep-power-in-suspend;
> -	no-1-8-v;
> -	non-removable;
> -	vmmc-supply = <&reg_brcm>;
> -	status = "okay";
> -};
> -

Why drop this node? Seems this is for SDIO wifi, Is there any issue if keep this node?

Regards,
Peng.

>  &usdhc3 {
>  	pinctrl-names = "default", "state_100mhz", "state_200mhz";
>  	pinctrl-0 = <&pinctrl_usdhc3>;
> diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index
> 3d32b3eb52..146d722b15 100644
> --- a/board/warp7/warp7.c
> +++ b/board/warp7/warp7.c
> @@ -30,8 +30,6 @@ DECLARE_GLOBAL_DATA_PTR;
> 
>  #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM |
> PAD_CTL_PUS_PU100KOHM | \
>  			PAD_CTL_HYS)
> -#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM |
> PAD_CTL_SRE_SLOW |	\
> -			PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
> 
>  #define I2C_PAD_CTRL	(PAD_CTL_DSE_3P3V_32OHM |
> PAD_CTL_SRE_SLOW | \
>  	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) @@
> -74,43 +72,11 @@ static iomux_v3_cfg_t const uart1_pads[] = {
>  	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX |
> MUX_PAD_CTRL(UART_PAD_CTRL),  };
> 
> -static iomux_v3_cfg_t const usdhc3_pads[] = {
> -	MX7D_PAD_SD3_CLK__SD3_CLK     |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_CMD__SD3_CMD     |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA0__SD3_DATA0 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA1__SD3_DATA1 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA2__SD3_DATA2 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA3__SD3_DATA3 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA4__SD3_DATA4 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA5__SD3_DATA5 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA6__SD3_DATA6 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_DATA7__SD3_DATA7 |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -	MX7D_PAD_SD3_RESET_B__SD3_RESET_B |
> MUX_PAD_CTRL(USDHC_PAD_CTRL),
> -};
> -
>  static void setup_iomux_uart(void)
>  {
>  	imx_iomux_v3_setup_multiple_pads(uart1_pads,
> ARRAY_SIZE(uart1_pads));  };
> 
> -static struct fsl_esdhc_cfg usdhc_cfg[1] = {
> -	{USDHC3_BASE_ADDR},
> -};
> -
> -int board_mmc_getcd(struct mmc *mmc)
> -{
> -		/* Assume uSDHC3 emmc is always present */
> -		return 1;
> -}
> -
> -int board_mmc_init(bd_t *bis)
> -{
> -	imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
> ARRAY_SIZE(usdhc3_pads));
> -	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
> -
> -	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
> -}
> -
>  int board_early_init_f(void)
>  {
>  	setup_iomux_uart();
> diff --git a/configs/warp7_bl33_defconfig b/configs/warp7_bl33_defconfig
> index 12141fedd3..b2f943c775 100644
> --- a/configs/warp7_bl33_defconfig
> +++ b/configs/warp7_bl33_defconfig
> @@ -24,6 +24,7 @@ CONFIG_OF_CONTROL=y
>  CONFIG_CMD_FS_GENERIC=y
>  CONFIG_NET_RANDOM_ETHADDR=y
>  CONFIG_DFU_MMC=y
> +CONFIG_DM_MMC=y
>  CONFIG_FSL_ESDHC=y
>  CONFIG_USB=y
>  CONFIG_USB_EHCI_HCD=y
> diff --git a/configs/warp7_defconfig b/configs/warp7_defconfig index
> fee98dfbbe..65d801ffe2 100644
> --- a/configs/warp7_defconfig
> +++ b/configs/warp7_defconfig
> @@ -33,6 +33,7 @@ CONFIG_OF_CONTROL=y
>  CONFIG_CMD_FS_GENERIC=y
>  CONFIG_NET_RANDOM_ETHADDR=y
>  CONFIG_DFU_MMC=y
> +CONFIG_DM_MMC=y
>  CONFIG_FSL_ESDHC=y
>  CONFIG_OPTEE=y
>  CONFIG_USB=y
> --
> 2.20.0



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