Pileus Git - ~andy/linux/blob - arch/arm/mach-ux500/devices-db8500.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
   5  * License terms: GNU General Public License (GPL) version 2
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/io.h>
  12 #include <linux/gpio.h>
  13 #include <linux/amba/bus.h>
  14 #include <linux/amba/pl022.h>
  15 #include <linux/platform_data/dma-ste-dma40.h>
  16 #include <linux/mfd/dbx500-prcmu.h>
  17
  18 #include "setup.h"
  19 #include "irqs.h"
  20
  21 #include "db8500-regs.h"
  22 #include "devices-db8500.h"
  23 #include "ste-dma40-db8500.h"
  24
  25 static struct resource dma40_resources[] = {
  26         [0] = {
  27                 .start = U8500_DMA_BASE,
  28                 .end   = U8500_DMA_BASE + SZ_4K - 1,
  29                 .flags = IORESOURCE_MEM,
  30                 .name  = "base",
  31         },
  32         [1] = {
  33                 .start = U8500_DMA_LCPA_BASE,
  34                 .end   = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
  35                 .flags = IORESOURCE_MEM,
  36                 .name  = "lcpa",
  37         },
  38         [2] = {
  39                 .start = IRQ_DB8500_DMA,
  40                 .end   = IRQ_DB8500_DMA,
  41                 .flags = IORESOURCE_IRQ,
  42         }
  43 };
  44
  45 /*
  46  * Mapping between destination event lines and physical device address.
  47  * The event line is tied to a device and therefore the address is constant.
  48  * When the address comes from a primecell it will be configured in runtime
  49  * and we set the address to -1 as a placeholder.
  50  */
  51 static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
  52         /* MUSB - these will be runtime-reconfigured */
  53         [DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8] = -1,
  54         [DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15] = -1,
  55         [DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14] = -1,
  56         [DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13] = -1,
  57         [DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12] = -1,
  58         [DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11] = -1,
  59         [DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10] = -1,
  60         [DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9] = -1,
  61         /* PrimeCells - run-time configured */
  62         [DB8500_DMA_DEV0_SPI0] = -1,
  63         [DB8500_DMA_DEV1_SD_MMC0] = -1,
  64         [DB8500_DMA_DEV2_SD_MMC1] = -1,
  65         [DB8500_DMA_DEV3_SD_MMC2] = -1,
  66         [DB8500_DMA_DEV8_SSP0] = -1,
  67         [DB8500_DMA_DEV9_SSP1] = -1,
  68         [DB8500_DMA_DEV11_UART2] = -1,
  69         [DB8500_DMA_DEV12_UART1] = -1,
  70         [DB8500_DMA_DEV13_UART0] = -1,
  71         [DB8500_DMA_DEV28_SD_MM2] = -1,
  72         [DB8500_DMA_DEV29_SD_MM0] = -1,
  73         [DB8500_DMA_DEV32_SD_MM1] = -1,
  74         [DB8500_DMA_DEV33_SPI2] = -1,
  75         [DB8500_DMA_DEV35_SPI1] = -1,
  76         [DB8500_DMA_DEV40_SPI3] = -1,
  77         [DB8500_DMA_DEV41_SD_MM3] = -1,
  78         [DB8500_DMA_DEV42_SD_MM4] = -1,
  79         [DB8500_DMA_DEV43_SD_MM5] = -1,
  80         [DB8500_DMA_DEV14_MSP2] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
  81         [DB8500_DMA_DEV30_MSP1] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
  82         [DB8500_DMA_DEV31_MSP0_SLIM0_CH0] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
  83         [DB8500_DMA_DEV48_CAC1] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
  84         [DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
  85 };
  86
  87 /* Mapping between source event lines and physical device address */
  88 static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
  89         /* MUSB - these will be runtime-reconfigured */
  90         [DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8] = -1,
  91         [DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15] = -1,
  92         [DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14] = -1,
  93         [DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13] = -1,
  94         [DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12] = -1,
  95         [DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11] = -1,
  96         [DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10] = -1,
  97         [DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9] = -1,
  98         /* PrimeCells */
  99         [DB8500_DMA_DEV0_SPI0] = -1,
 100         [DB8500_DMA_DEV1_SD_MMC0] = -1,
 101         [DB8500_DMA_DEV2_SD_MMC1] = -1,
 102         [DB8500_DMA_DEV3_SD_MMC2] = -1,
 103         [DB8500_DMA_DEV8_SSP0] = -1,
 104         [DB8500_DMA_DEV9_SSP1] = -1,
 105         [DB8500_DMA_DEV11_UART2] = -1,
 106         [DB8500_DMA_DEV12_UART1] = -1,
 107         [DB8500_DMA_DEV13_UART0] = -1,
 108         [DB8500_DMA_DEV28_SD_MM2] = -1,
 109         [DB8500_DMA_DEV29_SD_MM0] = -1,
 110         [DB8500_DMA_DEV32_SD_MM1] = -1,
 111         [DB8500_DMA_DEV33_SPI2] = -1,
 112         [DB8500_DMA_DEV35_SPI1] = -1,
 113         [DB8500_DMA_DEV40_SPI3] = -1,
 114         [DB8500_DMA_DEV41_SD_MM3] = -1,
 115         [DB8500_DMA_DEV42_SD_MM4] = -1,
 116         [DB8500_DMA_DEV43_SD_MM5] = -1,
 117         [DB8500_DMA_DEV14_MSP2] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
 118         [DB8500_DMA_DEV30_MSP3] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
 119         [DB8500_DMA_DEV31_MSP0_SLIM0_CH0] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
 120         [DB8500_DMA_DEV48_CAC1] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
 121 };
 122
 123 static struct stedma40_platform_data dma40_plat_data = {
 124         .dev_len = DB8500_DMA_NR_DEV,
 125         .dev_rx = dma40_rx_map,
 126         .dev_tx = dma40_tx_map,
 127         .disabled_channels = {-1},
 128 };
 129
 130 struct platform_device u8500_dma40_device = {
 131         .dev = {
 132                 .platform_data = &dma40_plat_data,
 133         },
 134         .name = "dma40",
 135         .id = 0,
 136         .num_resources = ARRAY_SIZE(dma40_resources),
 137         .resource = dma40_resources
 138 };
 139
 140 struct resource keypad_resources[] = {
 141         [0] = {
 142                 .start = U8500_SKE_BASE,
 143                 .end = U8500_SKE_BASE + SZ_4K - 1,
 144                 .flags = IORESOURCE_MEM,
 145         },
 146         [1] = {
 147                 .start = IRQ_DB8500_KB,
 148                 .end = IRQ_DB8500_KB,
 149                 .flags = IORESOURCE_IRQ,
 150         },
 151 };
 152
 153 struct platform_device u8500_ske_keypad_device = {
 154         .name = "nmk-ske-keypad",
 155         .id = -1,
 156         .num_resources = ARRAY_SIZE(keypad_resources),
 157         .resource = keypad_resources,
 158 };
 159
 160 struct prcmu_pdata db8500_prcmu_pdata = {
 161         .ab_platdata    = &ab8500_platdata,
 162         .ab_irq         = IRQ_DB8500_AB8500,
 163         .irq_base       = IRQ_PRCMU_BASE,
 164         .version_offset = DB8500_PRCMU_FW_VERSION_OFFSET,
 165         .legacy_offset  = DB8500_PRCMU_LEGACY_OFFSET,
 166 };
 167
 168 static struct resource db8500_prcmu_res[] = {
 169         {
 170                 .name  = "prcmu",
 171                 .start = U8500_PRCMU_BASE,
 172                 .end   = U8500_PRCMU_BASE + SZ_8K - 1,
 173                 .flags = IORESOURCE_MEM,
 174         },
 175         {
 176                 .name  = "prcmu-tcdm",
 177                 .start = U8500_PRCMU_TCDM_BASE,
 178                 .end   = U8500_PRCMU_TCDM_BASE + SZ_4K - 1,
 179                 .flags = IORESOURCE_MEM,
 180         },
 181         {
 182                 .name  = "irq",
 183                 .start = IRQ_DB8500_PRCMU1,
 184                 .end   = IRQ_DB8500_PRCMU1,
 185                 .flags = IORESOURCE_IRQ,
 186         },
 187         {
 188                 .name  = "prcmu-tcpm",
 189                 .start = U8500_PRCMU_TCPM_BASE,
 190                 .end   = U8500_PRCMU_TCPM_BASE + SZ_4K - 1,
 191                 .flags = IORESOURCE_MEM,
 192         },
 193 };
 194
 195 struct platform_device db8500_prcmu_device = {
 196         .name                   = "db8500-prcmu",
 197         .resource               = db8500_prcmu_res,
 198         .num_resources          = ARRAY_SIZE(db8500_prcmu_res),
 199         .dev = {
 200                 .platform_data = &db8500_prcmu_pdata,
 201         },
 202 };