diff options
Diffstat (limited to 'sys/arch/palm/dev/palm_mmc.c')
| -rw-r--r-- | sys/arch/palm/dev/palm_mmc.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/arch/palm/dev/palm_mmc.c b/sys/arch/palm/dev/palm_mmc.c new file mode 100644 index 00000000000..e9a15d497bb --- /dev/null +++ b/sys/arch/palm/dev/palm_mmc.c @@ -0,0 +1,90 @@ +/* $OpenBSD: palm_mmc.c,v 1.1 2009/09/05 01:22:11 marex Exp $ */ + +/* + * Copyright (c) 2009 Marek Vasut <marex@openbsd.org> + * Copyright (c) 2007 Uwe Stuehler <uwe@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* Attachment driver for pxammc(4) on Palm */ + +#include <sys/param.h> +#include <sys/device.h> +#include <sys/systm.h> + +#include <dev/sdmmc/sdmmcreg.h> +#include <machine/machine_reg.h> +#include <machine/palm_var.h> +#include <arch/arm/xscale/pxa2x0_gpio.h> + +#include <arch/arm/xscale/pxammcvar.h> + +int palm_mmc_match(struct device *, void *, void *); +void palm_mmc_attach(struct device *, struct device *, void *); + +struct cfattach pxammc_palm_ca = { + sizeof(struct pxammc_softc), + palm_mmc_match, + palm_mmc_attach +}; + +u_int32_t palm_mmc_get_ocr(void *); +int palm_mmc_set_power(void *, u_int32_t); + +int +palm_mmc_match(struct device *parent, void *match, void *aux) +{ + return pxammc_match(); +} + +void +palm_mmc_attach(struct device *parent, struct device *self, void *aux) +{ + struct pxammc_softc *sc = (struct pxammc_softc *)self; + + sc->tag.cookie = (void *)sc; + sc->tag.get_ocr = palm_mmc_get_ocr; + sc->tag.set_power = palm_mmc_set_power; + + sc->sc_gpio_detect = GPIO14_MMC_DETECT; + + pxammc_attach(sc, aux); +} + +u_int32_t +palm_mmc_get_ocr(void *cookie) +{ + return MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V; +} + +int +palm_mmc_set_power(void *cookie, u_int32_t ocr) +{ + if (ISSET(ocr, MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V)) { + if (mach_is_palmz72) + pxa2x0_gpio_clear_bit(GPIO98_PALMZ72_MMC_POWER); + else + pxa2x0_gpio_set_bit(GPIO114_MMC_POWER); + return 0; + } else if (ocr != 0) { + printf("palm_mmc_set_power: unsupported OCR (%#x)\n", ocr); + return EINVAL; + } else { + if (mach_is_palmz72) + pxa2x0_gpio_set_bit(GPIO98_PALMZ72_MMC_POWER); + else + pxa2x0_gpio_clear_bit(GPIO114_MMC_POWER); + return 0; + } +} |