| /* |
| * |
| * arch/arm/mach-u300/mmc.c |
| * |
| * |
| * Copyright (C) 2009 ST-Ericsson SA |
| * License terms: GNU General Public License (GPL) version 2 |
| * |
| * Author: Linus Walleij <linus.walleij@stericsson.com> |
| * Author: Johan Lundin |
| * Author: Jonas Aaberg <jonas.aberg@stericsson.com> |
| */ |
| #include <linux/device.h> |
| #include <linux/amba/bus.h> |
| #include <linux/mmc/host.h> |
| #include <linux/dmaengine.h> |
| #include <linux/amba/mmci.h> |
| #include <linux/slab.h> |
| #include <mach/coh901318.h> |
| #include <mach/dma_channels.h> |
| #include <mach/gpio-u300.h> |
| |
| #include "mmc.h" |
| |
| static struct mmci_platform_data mmc0_plat_data = { |
| /* |
| * Do not set ocr_mask or voltage translation function, |
| * we have a regulator we can control instead. |
| */ |
| /* Nominally 2.85V on our platform */ |
| .f_max = 24000000, |
| .gpio_wp = -1, |
| .gpio_cd = U300_GPIO_PIN_MMC_CD, |
| .cd_invert = true, |
| .capabilities = MMC_CAP_MMC_HIGHSPEED | |
| MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
| #ifdef CONFIG_COH901318 |
| .dma_filter = coh901318_filter_id, |
| .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX, |
| /* Don't specify a TX channel, this RX channel is bidirectional */ |
| #endif |
| }; |
| |
| int __devinit mmc_init(struct amba_device *adev) |
| { |
| struct device *mmcsd_device = &adev->dev; |
| int ret = 0; |
| |
| mmcsd_device->platform_data = &mmc0_plat_data; |
| |
| return ret; |
| } |
