[U-Boot] [PATCH 3/3] MMC: atmel_mci: enable high speed mode support

[Pantelis Antoniou]

Hi Bo,

On Jul 31, 2014, at 9:39 AM, Bo Shen wrote:

> If the MCI IP version >= 0x300, it supports hight speed mode
> option, this patch enable it.
> 
> Signed-off-by: Bo Shen <voice.shen at atmel.com>
> ---
> drivers/mmc/gen_atmel_mci.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c
> index 8778a4d..45bcffb 100644
> --- a/drivers/mmc/gen_atmel_mci.c
> +++ b/drivers/mmc/gen_atmel_mci.c
> @@ -110,6 +110,9 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen)
> 	if (version >= 0x200)
> 		writel(MMCI_BF(BLKLEN, blklen), &mci->blkr);
> 
> +	if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS)
> +		writel(MMCI_BIT(HSMODE), &mci->cfg);
> +
> 	initialized = 1;
> }
> 
> @@ -404,8 +407,10 @@ int atmel_mci_init(void *regs)
> 	/* need to be able to pass these in on a board by board basis */
> 	cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
> 	version = atmel_mci_get_version(mci);
> -	if ((version & 0xf00) >= 0x300)
> +	if ((version & 0xf00) >= 0x300) {
> 		cfg->host_caps = MMC_MODE_8BIT;
> +		cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;
> +	}
> 
> 	cfg->host_caps |= MMC_MODE_4BIT;
> 
> -- 
> 1.8.5.2
> 

Applied, thanks.

-- Pantelis