[U-Boot] [PATCH resend] sdhci: Add sdhci support for spear devices

[Vipin Kumar]

Stefan, Wolfgang,

Can you please add relevant people if not present already in this mail

Regards
Vipin

On 12/6/2012 12:14 PM, Vipin KUMAR wrote:
> Signed-off-by: Vipin Kumar<vipin.kumar at st.com>
> ---
>   drivers/mmc/Makefile      |  1 +
>   drivers/mmc/spear_sdhci.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
>   2 files changed, 45 insertions(+)
>   create mode 100644 drivers/mmc/spear_sdhci.c
>
> diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
> index a1dd730..01dd61d 100644
> --- a/drivers/mmc/Makefile
> +++ b/drivers/mmc/Makefile
> @@ -45,6 +45,7 @@ COBJS-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o
>   COBJS-$(CONFIG_SDHCI) += sdhci.o
>   COBJS-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
>   COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o
> +COBJS-$(CONFIG_SPEAR_SDHCI) += spear_sdhci.o
>   COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o
>   COBJS-$(CONFIG_DWMMC) += dw_mmc.o
>
> diff --git a/drivers/mmc/spear_sdhci.c b/drivers/mmc/spear_sdhci.c
> new file mode 100644
> index 0000000..23f1f4b
> --- /dev/null
> +++ b/drivers/mmc/spear_sdhci.c
> @@ -0,0 +1,44 @@
> +/*
> + * (C) Copyright 2012
> + * Vipin Kumar, ST Micoelectronics, vipin.kumar at st.com.
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
> + */
> +
> +#include<common.h>
> +#include<malloc.h>
> +#include<sdhci.h>
> +
> +int spear_sdhci_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
> +{
> +	struct sdhci_host *host = NULL;
> +	host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
> +	if (!host) {
> +		printf("sdhci host malloc fail!\n");
> +		return 1;
> +	}
> +
> +	host->name = "sdhci";
> +	host->ioaddr = (void *)regbase;
> +	host->quirks = quirks;
> +
> +	if (quirks&  SDHCI_QUIRK_REG32_RW)
> +		host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2)>>  16;
> +	else
> +		host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
> +
> +	add_sdhci(host, max_clk, min_clk);
> +	return 0;
> +}