diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ux500/board-mop500-sdi.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ux500/board-mop500-sdi.c | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ux500/board-mop500-sdi.c b/ANDROID_3.4.5/arch/arm/mach-ux500/board-mop500-sdi.c deleted file mode 100644 index 920251cf..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-ux500/board-mop500-sdi.c +++ /dev/null @@ -1,285 +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" - -/* - * v2 has a new version of this block that need to be forced, the number found - * in hardware is incorrect - */ -#define U8500_SDI_V2_PERIPHID 0x10480180 - -/* - * SDI 0 (MicroSD slot) - */ - -/* GPIO pins used by the sdi0 level shifter */ -static int sdi0_en = -1; -static int sdi0_vsel = -1; - -static int mop500_sdi0_ios_handler(struct device *dev, struct mmc_ios *ios) -{ - switch (ios->power_mode) { - case MMC_POWER_UP: - case MMC_POWER_ON: - /* - * Level shifter voltage should depend on vdd to when deciding - * on either 1.8V or 2.9V. Once the decision has been made the - * level shifter must be disabled and re-enabled with a changed - * select signal in order to switch the voltage. Since there is - * no framework support yet for indicating 1.8V in vdd, use the - * default 2.9V. - */ - gpio_direction_output(sdi0_vsel, 0); - gpio_direction_output(sdi0_en, 1); - break; - case MMC_POWER_OFF: - gpio_direction_output(sdi0_vsel, 0); - gpio_direction_output(sdi0_en, 0); - break; - } - - return 0; -} - -#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 = { - .ios_handler = mop500_sdi0_ios_handler, - .ocr_mask = MMC_VDD_29_30, - .f_max = 50000000, - .capabilities = MMC_CAP_4_BIT_DATA | - MMC_CAP_SD_HIGHSPEED | - MMC_CAP_MMC_HIGHSPEED, - .gpio_wp = -1, - .sigdir = MCI_ST_FBCLKEN | - MCI_ST_CMDDIREN | - MCI_ST_DATA0DIREN | - MCI_ST_DATA2DIREN, -#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 -}; - -static void sdi0_configure(struct device *parent) -{ - 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, force v2 to subrevision 1 */ - db8500_add_sdi0(parent, &mop500_sdi0_data, U8500_SDI_V2_PERIPHID); -} - -void mop500_sdi_tc35892_init(struct device *parent) -{ - mop500_sdi0_data.gpio_cd = GPIO_SDMMC_CD; - sdi0_en = GPIO_SDMMC_EN; - sdi0_vsel = GPIO_SDMMC_1V8_3V_SEL; - sdi0_configure(parent); -} - -/* - * SDI1 (SDIO WLAN) - */ -#ifdef CONFIG_STE_DMA40 -static struct stedma40_chan_cfg sdi1_dma_cfg_rx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_PERIPH_TO_MEM, - .src_dev_type = DB8500_DMA_DEV32_SD_MM1_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 sdi1_dma_cfg_tx = { - .mode = STEDMA40_MODE_LOGICAL, - .dir = STEDMA40_MEM_TO_PERIPH, - .src_dev_type = STEDMA40_DEV_SRC_MEMORY, - .dst_dev_type = DB8500_DMA_DEV32_SD_MM1_TX, - .src_info.data_width = STEDMA40_WORD_WIDTH, - .dst_info.data_width = STEDMA40_WORD_WIDTH, -}; -#endif - -static struct mmci_platform_data mop500_sdi1_data = { - .ocr_mask = MMC_VDD_29_30, - .f_max = 50000000, - .capabilities = MMC_CAP_4_BIT_DATA, - .gpio_cd = -1, - .gpio_wp = -1, -#ifdef CONFIG_STE_DMA40 - .dma_filter = stedma40_filter, - .dma_rx_param = &sdi1_dma_cfg_rx, - .dma_tx_param = &sdi1_dma_cfg_tx, -#endif -}; - -/* - * 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 = 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 = &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 = 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 = &mop500_sdi4_dma_cfg_rx, - .dma_tx_param = &mop500_sdi4_dma_cfg_tx, -#endif -}; - -void __init mop500_sdi_init(struct device *parent) -{ - /* PoP:ed eMMC */ - db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID); - /* On-board eMMC */ - db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID); - - /* - * On boards with the TC35892 GPIO expander, sdi0 will finally - * be added when the TC35892 initializes and calls - * mop500_sdi_tc35892_init() above. - */ -} - -void __init snowball_sdi_init(struct device *parent) -{ - /* On Snowball MMC_CAP_SD_HIGHSPEED isn't supported (Hardware issue?) */ - mop500_sdi0_data.capabilities &= ~MMC_CAP_SD_HIGHSPEED; - /* On-board eMMC */ - db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID); - /* External Micro SD slot */ - mop500_sdi0_data.gpio_cd = SNOWBALL_SDMMC_CD_GPIO; - mop500_sdi0_data.cd_invert = true; - sdi0_en = SNOWBALL_SDMMC_EN_GPIO; - sdi0_vsel = SNOWBALL_SDMMC_1V8_3V_GPIO; - sdi0_configure(parent); -} - -void __init hrefv60_sdi_init(struct device *parent) -{ - /* PoP:ed eMMC */ - db8500_add_sdi2(parent, &mop500_sdi2_data, U8500_SDI_V2_PERIPHID); - /* On-board eMMC */ - db8500_add_sdi4(parent, &mop500_sdi4_data, U8500_SDI_V2_PERIPHID); - /* External Micro SD slot */ - mop500_sdi0_data.gpio_cd = HREFV60_SDMMC_CD_GPIO; - sdi0_en = HREFV60_SDMMC_EN_GPIO; - sdi0_vsel = HREFV60_SDMMC_1V8_3V_GPIO; - sdi0_configure(parent); - /* WLAN SDIO channel */ - db8500_add_sdi1(parent, &mop500_sdi1_data, U8500_SDI_V2_PERIPHID); -} |