arch/arm/mach-ux500/board-mop500-sdi.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Hanumath Prasad <hanumath.prasad@stericsson.com>
   5  * License terms: GNU General Public License (GPL) version 2
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/gpio.h>
  10 #include <linux/amba/bus.h>
  11 #include <linux/amba/mmci.h>
  12 #include <linux/mmc/host.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/platform_data/dma-ste-dma40.h>
  15
  16 #include <asm/mach-types.h>
  17 #include "devices.h"
  18
  19 #include "db8500-regs.h"
  20 #include "devices-db8500.h"
  21 #include "board-mop500.h"
  22 #include "ste-dma40-db8500.h"
  23
  24 /*
  25  * v2 has a new version of this block that need to be forced, the number found
  26  * in hardware is incorrect
  27  */
  28 #define U8500_SDI_V2_PERIPHID 0x10480180
  29
  30 /*
  31  * SDI 0 (MicroSD slot)
  32  */
  33
  34 #ifdef CONFIG_STE_DMA40
  35 struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
  36         .mode = STEDMA40_MODE_LOGICAL,
  37         .dir = DMA_DEV_TO_MEM,
  38         .dev_type = DB8500_DMA_DEV29_SD_MM0,
  39 };
  40
  41 static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
  42         .mode = STEDMA40_MODE_LOGICAL,
  43         .dir = DMA_MEM_TO_DEV,
  44         .dev_type = DB8500_DMA_DEV29_SD_MM0,
  45 };
  46 #endif
  47
  48 struct mmci_platform_data mop500_sdi0_data = {
  49         .f_max          = 100000000,
  50         .capabilities   = MMC_CAP_4_BIT_DATA |
  51                                 MMC_CAP_SD_HIGHSPEED |
  52                                 MMC_CAP_MMC_HIGHSPEED |
  53                                 MMC_CAP_ERASE |
  54                                 MMC_CAP_UHS_SDR12 |
  55                                 MMC_CAP_UHS_SDR25,
  56         .gpio_wp        = -1,
  57         .sigdir         = MCI_ST_FBCLKEN |
  58                                 MCI_ST_CMDDIREN |
  59                                 MCI_ST_DATA0DIREN |
  60                                 MCI_ST_DATA2DIREN,
  61 #ifdef CONFIG_STE_DMA40
  62         .dma_filter     = stedma40_filter,
  63         .dma_rx_param   = &mop500_sdi0_dma_cfg_rx,
  64         .dma_tx_param   = &mop500_sdi0_dma_cfg_tx,
  65 #endif
  66 };
  67
  68 /*
  69  * SDI1 (SDIO WLAN)
  70  */
  71 #ifdef CONFIG_STE_DMA40
  72 static struct stedma40_chan_cfg sdi1_dma_cfg_rx = {
  73         .mode = STEDMA40_MODE_LOGICAL,
  74         .dir = DMA_DEV_TO_MEM,
  75         .dev_type = DB8500_DMA_DEV32_SD_MM1,
  76 };
  77
  78 static struct stedma40_chan_cfg sdi1_dma_cfg_tx = {
  79         .mode = STEDMA40_MODE_LOGICAL,
  80         .dir = DMA_MEM_TO_DEV,
  81         .dev_type = DB8500_DMA_DEV32_SD_MM1,
  82 };
  83 #endif
  84
  85 struct mmci_platform_data mop500_sdi1_data = {
  86         .ocr_mask       = MMC_VDD_29_30,
  87         .f_max          = 100000000,
  88         .capabilities   = MMC_CAP_4_BIT_DATA |
  89                                 MMC_CAP_NONREMOVABLE,
  90         .gpio_cd        = -1,
  91         .gpio_wp        = -1,
  92 #ifdef CONFIG_STE_DMA40
  93         .dma_filter     = stedma40_filter,
  94         .dma_rx_param   = &sdi1_dma_cfg_rx,
  95         .dma_tx_param   = &sdi1_dma_cfg_tx,
  96 #endif
  97 };
  98
  99 /*
 100  * SDI 2 (POP eMMC, not on DB8500ed)
 101  */
 102
 103 #ifdef CONFIG_STE_DMA40
 104 struct stedma40_chan_cfg mop500_sdi2_dma_cfg_rx = {
 105         .mode = STEDMA40_MODE_LOGICAL,
 106         .dir = DMA_DEV_TO_MEM,
 107         .dev_type =  DB8500_DMA_DEV28_SD_MM2,
 108 };
 109
 110 static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = {
 111         .mode = STEDMA40_MODE_LOGICAL,
 112         .dir = DMA_MEM_TO_DEV,
 113         .dev_type = DB8500_DMA_DEV28_SD_MM2,
 114 };
 115 #endif
 116
 117 struct mmci_platform_data mop500_sdi2_data = {
 118         .ocr_mask       = MMC_VDD_165_195,
 119         .f_max          = 100000000,
 120         .capabilities   = MMC_CAP_4_BIT_DATA |
 121                                 MMC_CAP_8_BIT_DATA |
 122                                 MMC_CAP_NONREMOVABLE |
 123                                 MMC_CAP_MMC_HIGHSPEED |
 124                                 MMC_CAP_ERASE |
 125                                 MMC_CAP_CMD23,
 126         .gpio_cd        = -1,
 127         .gpio_wp        = -1,
 128 #ifdef CONFIG_STE_DMA40
 129         .dma_filter     = stedma40_filter,
 130         .dma_rx_param   = &mop500_sdi2_dma_cfg_rx,
 131         .dma_tx_param   = &mop500_sdi2_dma_cfg_tx,
 132 #endif
 133 };
 134
 135 /*
 136  * SDI 4 (on-board eMMC)
 137  */
 138
 139 #ifdef CONFIG_STE_DMA40
 140 struct stedma40_chan_cfg mop500_sdi4_dma_cfg_rx = {
 141         .mode = STEDMA40_MODE_LOGICAL,
 142         .dir = DMA_DEV_TO_MEM,
 143         .dev_type =  DB8500_DMA_DEV42_SD_MM4,
 144 };
 145
 146 static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = {
 147         .mode = STEDMA40_MODE_LOGICAL,
 148         .dir = DMA_MEM_TO_DEV,
 149         .dev_type = DB8500_DMA_DEV42_SD_MM4,
 150 };
 151 #endif
 152
 153 struct mmci_platform_data mop500_sdi4_data = {
 154         .f_max          = 100000000,
 155         .capabilities   = MMC_CAP_4_BIT_DATA |
 156                                 MMC_CAP_8_BIT_DATA |
 157                                 MMC_CAP_NONREMOVABLE |
 158                                 MMC_CAP_MMC_HIGHSPEED |
 159                                 MMC_CAP_ERASE |
 160                                 MMC_CAP_CMD23,
 161         .gpio_cd        = -1,
 162         .gpio_wp        = -1,
 163 #ifdef CONFIG_STE_DMA40
 164         .dma_filter     = stedma40_filter,
 165         .dma_rx_param   = &mop500_sdi4_dma_cfg_rx,
 166         .dma_tx_param   = &mop500_sdi4_dma_cfg_tx,
 167 #endif
 168 };