Hi,
On 02/22/2018 09:17 PM, Vipul Kumar wrote:
> This patch added Kconfig support for CONFIG_ZYNQ_SDHCI_MIN_FREQ
> and enabled it in respective defconfig.
>
> Signed-off-by: Vipul Kumar <vip...@xilinx.com>
> Signed-off-by: Siva Durga Prasad Paladugu <siva...@xilinx.com>
> ---
> configs/xilinx_zynqmp_ep_defconfig | 1 +
> drivers/mmc/Kconfig | 7 +++++++
> drivers/mmc/zynq_sdhci.c | 4 ----
> include/configs/xilinx_zynqmp_ep.h | 1 -
> 4 files changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/configs/xilinx_zynqmp_ep_defconfig
> b/configs/xilinx_zynqmp_ep_defconfig
> index 00db5e3..4de1ac1 100644
> --- a/configs/xilinx_zynqmp_ep_defconfig
> +++ b/configs/xilinx_zynqmp_ep_defconfig
> @@ -62,6 +62,7 @@ CONFIG_MISC=y
> CONFIG_DM_MMC=y
> CONFIG_MMC_SDHCI=y
> CONFIG_MMC_SDHCI_ZYNQ=y
> +CONFIG_ZYNQ_SDHCI_MIN_FREQ=101562
It seems that 101562 is the shifted value.
If ZYNQ_SDHCI_MIN_REQ is set to 100KHz, what happen?
Best Regards,
Jaehoon Chung
> CONFIG_NAND=y
> CONFIG_NAND_ARASAN=y
> CONFIG_SPI_FLASH=y
> diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
> index 42b7d21..4f2993c 100644
> --- a/drivers/mmc/Kconfig
> +++ b/drivers/mmc/Kconfig
> @@ -478,6 +478,13 @@ config ZYNQ_SDHCI_MAX_FREQ
> help
> Set the maximum frequency for the SDHCI controller.
>
> +config ZYNQ_SDHCI_MIN_FREQ
> + int "Set the minimum frequencyof the controller"
> + depends on MMC_SDHCI_ZYNQ
> + default 0
> + help
> + Set the minimum frequencyof the controller.
> +
> config MMC_SUNXI
> bool "Allwinner sunxi SD/MMC Host Controller support"
> depends on ARCH_SUNXI && !UART0_PORT_F
> diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
> index 0fddb42..414778c 100644
> --- a/drivers/mmc/zynq_sdhci.c
> +++ b/drivers/mmc/zynq_sdhci.c
> @@ -16,10 +16,6 @@
>
> DECLARE_GLOBAL_DATA_PTR;
>
> -#ifndef CONFIG_ZYNQ_SDHCI_MIN_FREQ
> -# define CONFIG_ZYNQ_SDHCI_MIN_FREQ 0
> -#endif
> -
> struct arasan_sdhci_plat {
> struct mmc_config cfg;
> struct mmc mmc;
> diff --git a/include/configs/xilinx_zynqmp_ep.h
> b/include/configs/xilinx_zynqmp_ep.h
> index a77eeea..a26377a 100644
> --- a/include/configs/xilinx_zynqmp_ep.h
> +++ b/include/configs/xilinx_zynqmp_ep.h
> @@ -13,7 +13,6 @@
> #ifndef __CONFIG_ZYNQMP_EP_H
> #define __CONFIG_ZYNQMP_EP_H
>
> -#define CONFIG_ZYNQ_SDHCI_MIN_FREQ (CONFIG_ZYNQ_SDHCI_MAX_FREQ >> 9)
> #define CONFIG_ZYNQ_EEPROM
> #define CONFIG_ZYNQMP_XHCI_LIST {ZYNQMP_USB0_XHCI_BASEADDR, \
> ZYNQMP_USB1_XHCI_BASEADDR}
> --
> 2.7.4
>
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