[PATCH 2/7] mmc: zynq_sdhci: Define timing macro's

[Jaehoon Chung]

On 5/22/20 7:44 PM, Michal Simek wrote:
> From: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
> 
> Define timing macro's for all the available speeds of mmc. This is
> done similar to linux. Replace other macro's used in zynq_sdhci.c
> with these new macro's.

Even though it's similar to linux, does it need to add new macro? 

> 
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
> 
>  drivers/mmc/zynq_sdhci.c | 24 +++++++++++-------------
>  include/mmc.h            | 13 +++++++++++++
>  2 files changed, 24 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
> index 94c69cf1c1bd..02583f76f936 100644
> --- a/drivers/mmc/zynq_sdhci.c
> +++ b/drivers/mmc/zynq_sdhci.c
> @@ -32,20 +32,18 @@ struct arasan_sdhci_priv {
>  };
>  
>  #if defined(CONFIG_ARCH_ZYNQMP)
> -#define MMC_HS200_BUS_SPEED	5
> -
>  static const u8 mode2timing[] = {
> -	[MMC_LEGACY] = UHS_SDR12_BUS_SPEED,
> -	[MMC_HS] = HIGH_SPEED_BUS_SPEED,
> -	[SD_HS] = HIGH_SPEED_BUS_SPEED,
> -	[MMC_HS_52] = HIGH_SPEED_BUS_SPEED,
> -	[MMC_DDR_52] = HIGH_SPEED_BUS_SPEED,
> -	[UHS_SDR12] = UHS_SDR12_BUS_SPEED,
> -	[UHS_SDR25] = UHS_SDR25_BUS_SPEED,
> -	[UHS_SDR50] = UHS_SDR50_BUS_SPEED,
> -	[UHS_DDR50] = UHS_DDR50_BUS_SPEED,
> -	[UHS_SDR104] = UHS_SDR104_BUS_SPEED,
> -	[MMC_HS_200] = MMC_HS200_BUS_SPEED,
> +	[MMC_LEGACY] = MMC_TIMING_LEGACY,
> +	[MMC_HS] = MMC_TIMING_MMC_HS,
> +	[SD_HS] = MMC_TIMING_SD_HS,
> +	[MMC_HS_52] = MMC_TIMING_UHS_SDR50,
> +	[MMC_DDR_52] = MMC_TIMING_UHS_DDR50,
> +	[UHS_SDR12] = MMC_TIMING_UHS_SDR12,
> +	[UHS_SDR25] = MMC_TIMING_UHS_SDR25,
> +	[UHS_SDR50] = MMC_TIMING_UHS_SDR50,
> +	[UHS_DDR50] = MMC_TIMING_UHS_DDR50,
> +	[UHS_SDR104] = MMC_TIMING_UHS_SDR104,
> +	[MMC_HS_200] = MMC_TIMING_MMC_HS200,
>  };
>  
>  #define SDHCI_TUNING_LOOP_COUNT	40
> diff --git a/include/mmc.h b/include/mmc.h
> index 82562193cc48..05d8ab8eeac6 100644
> --- a/include/mmc.h
> +++ b/include/mmc.h
> @@ -360,6 +360,19 @@ enum mmc_voltage {
>  #define MMC_NUM_BOOT_PARTITION	2
>  #define MMC_PART_RPMB           3       /* RPMB partition number */
>  
> +/* timing specification used */
> +#define MMC_TIMING_LEGACY	0
> +#define MMC_TIMING_MMC_HS	1
> +#define MMC_TIMING_SD_HS	2
> +#define MMC_TIMING_UHS_SDR12	3
> +#define MMC_TIMING_UHS_SDR25	4
> +#define MMC_TIMING_UHS_SDR50	5
> +#define MMC_TIMING_UHS_SDR104	6
> +#define MMC_TIMING_UHS_DDR50	7
> +#define MMC_TIMING_MMC_DDR52	8
> +#define MMC_TIMING_MMC_HS200	9
> +#define MMC_TIMING_MMC_HS400	10
> +
>  /* Driver model support */
>  
>  /**
>