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