X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fboard-apollon-mmc.c;fp=arch%2Farm%2Fmach-omap2%2Fboard-apollon-mmc.c;h=3197741ec47d7903d2e72a1ee969fdc4067ec0de;hp=0000000000000000000000000000000000000000;hb=0d5f2216edfeb9904e0d6512f803b0f93871baaf;hpb=14fc69723d3442ef46f8f82b3f481e82f06a346d diff --git a/arch/arm/mach-omap2/board-apollon-mmc.c b/arch/arm/mach-omap2/board-apollon-mmc.c new file mode 100644 index 00000000000..3197741ec47 --- /dev/null +++ b/arch/arm/mach-omap2/board-apollon-mmc.c @@ -0,0 +1,101 @@ +/* + * linux/arch/arm/mach-omap2/board-apollon-mmc.c + * + * Copyright (C) 2005-2007 Samsung Electronics + * Author: Kyungmin Park + * + * 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. + */ + +#include +#include + +#include +#include + +#ifdef CONFIG_MMC_OMAP + +static struct device *mmc_device; + +static int apollon_mmc_set_power(struct device *dev, int slot, int power_on, + int vdd) +{ +#ifdef CONFIG_MMC_DEBUG + dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1, + power_on ? "on" : "off", vdd); +#endif + if (slot != 0) { + dev_err(dev, "No such slot %d\n", slot + 1); + return -ENODEV; + } + + return 0; +} + +static int apollon_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode) +{ +#ifdef CONFIG_MMC_DEBUG + dev_dbg(dev, "Set slot %d bus_mode %s\n", slot + 1, + bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull"); +#endif + if (slot != 0) { + dev_err(dev, "No such slot %d\n", slot + 1); + return -ENODEV; + } + + return 0; +} + +static int apollon_mmc_late_init(struct device *dev) +{ + mmc_device = dev; + + return 0; +} + +static void apollon_mmc_cleanup(struct device *dev) +{ +} + +/* + * Note: If you want to detect card feature, please assign GPIO 37 + */ +static struct omap_mmc_platform_data mmc1_data = { + .nr_slots = 1, + .init = apollon_mmc_late_init, + .cleanup = apollon_mmc_cleanup, + .dma_mask = 0xffffffff, + .slots[0] = { + .wires = 4, + + /* + * Use internal loop-back in MMC/SDIO Module Input Clock + * selection + */ + .internal_clock = 1, + + .set_power = apollon_mmc_set_power, + .set_bus_mode = apollon_mmc_set_bus_mode, + .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 | + MMC_VDD_32_33 | MMC_VDD_33_34, + .name = "mmcblk", + }, +}; + +static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC]; + +void __init apollon_mmc_init(void) +{ + mmc_data[0] = &mmc1_data; + omap2_init_mmc(mmc_data, OMAP24XX_NR_MMC); +} + +#else /* !CONFIG_MMC_OMAP */ + +void __init apollon_mmc_init(void) +{ +} + +#endif /* CONFIG_MMC_OMAP */