| /* |
| * Copyright (C) ST-Ericsson SA 2010 |
| * |
| * Author: Hanumath Prasad <ulf.hansson@stericsson.com> |
| * License terms: GNU General Public License (GPL) version 2 |
| */ |
| |
| #include <linux/amba/mmci.h> |
| #include <linux/mmc/host.h> |
| |
| #include <plat/pincfg.h> |
| #include <plat/gpio-nomadik.h> |
| #include <mach/db5500-regs.h> |
| #include <plat/ste_dma40.h> |
| |
| #include "pins-db5500.h" |
| #include "devices-db5500.h" |
| #include "ste-dma40-db5500.h" |
| |
| static pin_cfg_t u5500_sdi_pins[] = { |
| /* SDI0 (POP eMMC) */ |
| GPIO5_MC0_DAT0 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO6_MC0_DAT1 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO7_MC0_DAT2 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO8_MC0_DAT3 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO9_MC0_DAT4 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO10_MC0_DAT5 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO11_MC0_DAT6 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO12_MC0_DAT7 | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO13_MC0_CMD | PIN_DIR_INPUT | PIN_PULL_UP, |
| GPIO14_MC0_CLK | PIN_DIR_OUTPUT | PIN_VAL_LOW, |
| }; |
| |
| #ifdef CONFIG_STE_DMA40 |
| struct stedma40_chan_cfg u5500_sdi0_dma_cfg_rx = { |
| .mode = STEDMA40_MODE_LOGICAL, |
| .dir = STEDMA40_PERIPH_TO_MEM, |
| .src_dev_type = DB5500_DMA_DEV24_SDMMC0_RX, |
| .dst_dev_type = STEDMA40_DEV_DST_MEMORY, |
| .src_info.data_width = STEDMA40_WORD_WIDTH, |
| .dst_info.data_width = STEDMA40_WORD_WIDTH, |
| }; |
| |
| static struct stedma40_chan_cfg u5500_sdi0_dma_cfg_tx = { |
| .mode = STEDMA40_MODE_LOGICAL, |
| .dir = STEDMA40_MEM_TO_PERIPH, |
| .src_dev_type = STEDMA40_DEV_SRC_MEMORY, |
| .dst_dev_type = DB5500_DMA_DEV24_SDMMC0_TX, |
| .src_info.data_width = STEDMA40_WORD_WIDTH, |
| .dst_info.data_width = STEDMA40_WORD_WIDTH, |
| }; |
| #endif |
| |
| static struct mmci_platform_data u5500_sdi0_data = { |
| .ocr_mask = MMC_VDD_165_195, |
| .f_max = 50000000, |
| .capabilities = MMC_CAP_4_BIT_DATA | |
| MMC_CAP_8_BIT_DATA | |
| MMC_CAP_MMC_HIGHSPEED, |
| .gpio_cd = -1, |
| .gpio_wp = -1, |
| #ifdef CONFIG_STE_DMA40 |
| .dma_filter = stedma40_filter, |
| .dma_rx_param = &u5500_sdi0_dma_cfg_rx, |
| .dma_tx_param = &u5500_sdi0_dma_cfg_tx, |
| #endif |
| }; |
| |
| void __init u5500_sdi_init(void) |
| { |
| nmk_config_pins(u5500_sdi_pins, ARRAY_SIZE(u5500_sdi_pins)); |
| |
| db5500_add_sdi0(&u5500_sdi0_data); |
| } |