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| author | Michal Simek <michal.simek@xilinx.com> | 2013-04-22 14:56:49 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-04-30 11:39:27 +0200 |
| commit | 293eb33fcb95e2b2bae71edf97b0ca3bdd6ba98d (patch) | |
| tree | 6fa1c9a39f7d94ba26bd165d14fdae5699edf99b /drivers/mmc | |
| parent | f97d7e8be96888b622309d9563da0ab3fba0534b (diff) | |
| download | u-boot-imx-293eb33fcb95e2b2bae71edf97b0ca3bdd6ba98d.zip u-boot-imx-293eb33fcb95e2b2bae71edf97b0ca3bdd6ba98d.tar.gz u-boot-imx-293eb33fcb95e2b2bae71edf97b0ca3bdd6ba98d.tar.bz2 | |
mmc: Add support for Xilinx Zynq sdhci controller
Add support for SD, MMC and eMMC card on Xilinx Zynq.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/mmc/zynq_sdhci.c | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 1d6faa2..7cd4281 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -49,6 +49,7 @@ COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o COBJS-$(CONFIG_DWMMC) += dw_mmc.o COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o +COBJS-$(CONFIG_ZYNQ_SDHCI) += zynq_sdhci.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c new file mode 100644 index 0000000..9e37af4 --- /dev/null +++ b/drivers/mmc/zynq_sdhci.c @@ -0,0 +1,40 @@ +/* + * (C) Copyright 2013 Inc. + * + * Xilinx Zynq SD Host Controller Interface + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * 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> +#include <asm/arch/sys_proto.h> + +int zynq_sdhci_init(u32 regbase) +{ + struct sdhci_host *host = NULL; + + host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host)); + if (!host) { + printf("zynq_sdhci_init: sdhci_host malloc fail\n"); + return 1; + } + + host->name = "zynq_sdhci"; + host->ioaddr = (void *)regbase; + host->quirks = SDHCI_QUIRK_NO_CD | SDHCI_QUIRK_WAIT_SEND_CMD; + host->version = sdhci_readw(host, SDHCI_HOST_VERSION); + + host->host_caps = MMC_MODE_HC; + + add_sdhci(host, 52000000, 52000000 >> 9); + return 0; +} |