diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-sdi.c')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500-sdi.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c deleted file mode 100644 index bf0b02414e5..00000000000 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ /dev/null @@ -1,210 +0,0 @@ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Author: Hanumath Prasad <hanumath.prasad@stericsson.com> - * License terms: GNU General Public License (GPL) version 2 - */ - -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/amba/bus.h> -#include <linux/amba/mmci.h> -#include <linux/mmc/host.h> -#include <linux/platform_device.h> - -#include <asm/mach-types.h> -#include <plat/ste_dma40.h> -#include <mach/devices.h> -#include <mach/hardware.h> - -#include "devices-db8500.h" -#include "board-mop500.h" -#include "ste-dma40-db8500.h" - -/* - * SDI 0 (MicroSD slot) - */ - -/* MMCIPOWER bits */ -#define MCI_DATA2DIREN (1 << 2) -#define MCI_CMDDIREN (1 << 3) -#define MCI_DATA0DIREN (1 << 4) -#define MCI_DATA31DIREN (1 << 5) -#define MCI_FBCLKEN (1 << 7) - -static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd, - unsigned char power_mode) -{ - if (power_mode == MMC_POWER_UP) - gpio_set_value_cansleep(GPIO_SDMMC_EN, 1); - else if (power_mode == MMC_POWER_OFF) - gpio_set_value_cansleep(GPIO_SDMMC_EN, 0); - - return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN | - MCI_DATA2DIREN | MCI_DATA31DIREN; -} - -#ifdef CONFIG_STE_DMA40 -struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_PERIPH_TO_MEM, - .src_dev_type = DB8500_DMA_DEV29_SD_MM0_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 mop500_sdi0_dma_cfg_tx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_MEM_TO_PERIPH, - .src_dev_type = STEDMA40_DEV_SRC_MEMORY, - .dst_dev_type = DB8500_DMA_DEV29_SD_MM0_TX, - .src_info.data_width = STEDMA40_WORD_WIDTH, - .dst_info.data_width = STEDMA40_WORD_WIDTH, -}; -#endif - -static struct mmci_platform_data mop500_sdi0_data = { - .vdd_handler = mop500_sdi0_vdd_handler, - .ocr_mask = MMC_VDD_29_30, - .f_max = 100000000, - .capabilities = MMC_CAP_4_BIT_DATA, - .gpio_wp = -1, -#ifdef CONFIG_STE_DMA40 - .dma_filter = stedma40_filter, - .dma_rx_param = &mop500_sdi0_dma_cfg_rx, - .dma_tx_param = &mop500_sdi0_dma_cfg_tx, -#endif -}; - -/* GPIO pins used by the sdi0 level shifter */ -static int sdi0_en = -1; -static int sdi0_vsel = -1; - -static void sdi0_configure(void) -{ - int ret; - - ret = gpio_request(sdi0_en, "level shifter enable"); - if (!ret) - ret = gpio_request(sdi0_vsel, - "level shifter 1v8-3v select"); - - if (ret) { - pr_warning("unable to config sdi0 gpios for level shifter.\n"); - return; - } - - /* Select the default 2.9V and enable level shifter */ - gpio_direction_output(sdi0_vsel, 0); - gpio_direction_output(sdi0_en, 1); - - /* Add the device */ - db8500_add_sdi0(&mop500_sdi0_data); -} - -void mop500_sdi_tc35892_init(void) -{ - mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD; - sdi0_en = GPIO_SDMMC_EN; - sdi0_vsel = GPIO_SDMMC_1V8_3V_SEL; - sdi0_configure(); -} - -/* - * SDI 2 (POP eMMC, not on DB8500ed) - */ - -#ifdef CONFIG_STE_DMA40 -struct stedma40_chan_cfg mop500_sdi2_dma_cfg_rx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_PERIPH_TO_MEM, - .src_dev_type = DB8500_DMA_DEV28_SD_MM2_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 mop500_sdi2_dma_cfg_tx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_MEM_TO_PERIPH, - .src_dev_type = STEDMA40_DEV_SRC_MEMORY, - .dst_dev_type = DB8500_DMA_DEV28_SD_MM2_TX, - .src_info.data_width = STEDMA40_WORD_WIDTH, - .dst_info.data_width = STEDMA40_WORD_WIDTH, -}; -#endif - -static struct mmci_platform_data mop500_sdi2_data = { - .ocr_mask = MMC_VDD_165_195, - .f_max = 100000000, - .capabilities = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, - .gpio_cd = -1, - .gpio_wp = -1, -#ifdef CONFIG_STE_DMA40 - .dma_filter = stedma40_filter, - .dma_rx_param = &mop500_sdi2_dma_cfg_rx, - .dma_tx_param = &mop500_sdi2_dma_cfg_tx, -#endif -}; - -/* - * SDI 4 (on-board eMMC) - */ - -#ifdef CONFIG_STE_DMA40 -struct stedma40_chan_cfg mop500_sdi4_dma_cfg_rx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_PERIPH_TO_MEM, - .src_dev_type = DB8500_DMA_DEV42_SD_MM4_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 mop500_sdi4_dma_cfg_tx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_MEM_TO_PERIPH, - .src_dev_type = STEDMA40_DEV_SRC_MEMORY, - .dst_dev_type = DB8500_DMA_DEV42_SD_MM4_TX, - .src_info.data_width = STEDMA40_WORD_WIDTH, - .dst_info.data_width = STEDMA40_WORD_WIDTH, -}; -#endif - -static struct mmci_platform_data mop500_sdi4_data = { - .ocr_mask = MMC_VDD_29_30, - .f_max = 100000000, - .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 = &mop500_sdi4_dma_cfg_rx, - .dma_tx_param = &mop500_sdi4_dma_cfg_tx, -#endif -}; - -void __init mop500_sdi_init(void) -{ - /* PoP:ed eMMC on top of DB8500 v1.0 has problems with high speed */ - if (!cpu_is_u8500v10()) - mop500_sdi2_data.capabilities |= MMC_CAP_MMC_HIGHSPEED; - db8500_add_sdi2(&mop500_sdi2_data); - - /* On-board eMMC */ - db8500_add_sdi4(&mop500_sdi4_data); - - if (machine_is_hrefv60()) { - mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO; - sdi0_en = HREFV60_SDMMC_EN_GPIO; - sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO; - sdi0_configure(); - } - /* - * On boards with the TC35892 GPIO expander, sdi0 will finally - * be added when the TC35892 initializes and calls - * mop500_sdi_tc35892_init() above. - */ -} |