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 16#include <plat/ste_dma40.h> 17 18#include <mach/hardware.h> 19#include <mach/setup.h> 20 21#include "ste-dma40-db8500.h" 22 23static struct resource dma40_resources[] = { 24 [0] = { 25 .start = U8500_DMA_BASE, 26 .end = U8500_DMA_BASE + SZ_4K - 1, 27 .flags = IORESOURCE_MEM, 28 .name = "base", 29 }, 30 [1] = { 31 .start = U8500_DMA_LCPA_BASE, 32 .end = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1, 33 .flags = IORESOURCE_MEM, 34 .name = "lcpa", 35 }, 36 [2] = { 37 .start = IRQ_DB8500_DMA, 38 .end = IRQ_DB8500_DMA, 39 .flags = IORESOURCE_IRQ, 40 } 41}; 42 43/* Default configuration for physcial memcpy */ 44struct stedma40_chan_cfg dma40_memcpy_conf_phy = { 45 .mode = STEDMA40_MODE_PHYSICAL, 46 .dir = STEDMA40_MEM_TO_MEM, 47 48 .src_info.data_width = STEDMA40_BYTE_WIDTH, 49 .src_info.psize = STEDMA40_PSIZE_PHY_1, 50 .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, 51 52 .dst_info.data_width = STEDMA40_BYTE_WIDTH, 53 .dst_info.psize = STEDMA40_PSIZE_PHY_1, 54 .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, 55}; 56/* Default configuration for logical memcpy */ 57struct stedma40_chan_cfg dma40_memcpy_conf_log = { 58 .dir = STEDMA40_MEM_TO_MEM, 59 60 .src_info.data_width = STEDMA40_BYTE_WIDTH, 61 .src_info.psize = STEDMA40_PSIZE_LOG_1, 62 .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, 63 64 .dst_info.data_width = STEDMA40_BYTE_WIDTH, 65 .dst_info.psize = STEDMA40_PSIZE_LOG_1, 66 .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL, 67}; 68 69/* 70 * Mapping between destination event lines and physical device address. 71 * The event line is tied to a device and therefore the address is constant. 72 * When the address comes from a primecell it will be configured in runtime 73 * and we set the address to -1 as a placeholder. 74 */ 75static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = { 76 /* MUSB - these will be runtime-reconfigured */ 77 [DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1, 78 [DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1, 79 [DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1, 80 [DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1, 81 [DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1, 82 [DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1, 83 [DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1, 84 [DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1, 85 /* PrimeCells - run-time configured */ 86 [DB8500_DMA_DEV0_SPI0_TX] = -1, 87 [DB8500_DMA_DEV1_SD_MMC0_TX] = -1, 88 [DB8500_DMA_DEV2_SD_MMC1_TX] = -1, 89 [DB8500_DMA_DEV3_SD_MMC2_TX] = -1, 90 [DB8500_DMA_DEV8_SSP0_TX] = -1, 91 [DB8500_DMA_DEV9_SSP1_TX] = -1, 92 [DB8500_DMA_DEV11_UART2_TX] = -1, 93 [DB8500_DMA_DEV12_UART1_TX] = -1, 94 [DB8500_DMA_DEV13_UART0_TX] = -1, 95 [DB8500_DMA_DEV28_SD_MM2_TX] = -1, 96 [DB8500_DMA_DEV29_SD_MM0_TX] = -1, 97 [DB8500_DMA_DEV32_SD_MM1_TX] = -1, 98 [DB8500_DMA_DEV33_SPI2_TX] = -1, 99 [DB8500_DMA_DEV35_SPI1_TX] = -1, 100 [DB8500_DMA_DEV40_SPI3_TX] = -1, 101 [DB8500_DMA_DEV41_SD_MM3_TX] = -1, 102 [DB8500_DMA_DEV42_SD_MM4_TX] = -1, 103 [DB8500_DMA_DEV43_SD_MM5_TX] = -1, 104 [DB8500_DMA_DEV14_MSP2_TX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET, 105 [DB8500_DMA_DEV30_MSP1_TX] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET, 106 [DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET, 107}; 108 109/* Mapping between source event lines and physical device address */ 110static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = { 111 /* MUSB - these will be runtime-reconfigured */ 112 [DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1, 113 [DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1, 114 [DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1, 115 [DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1, 116 [DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1, 117 [DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1, 118 [DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1, 119 [DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1, 120 /* PrimeCells */ 121 [DB8500_DMA_DEV0_SPI0_RX] = -1, 122 [DB8500_DMA_DEV1_SD_MMC0_RX] = -1, 123 [DB8500_DMA_DEV2_SD_MMC1_RX] = -1, 124 [DB8500_DMA_DEV3_SD_MMC2_RX] = -1, 125 [DB8500_DMA_DEV8_SSP0_RX] = -1, 126 [DB8500_DMA_DEV9_SSP1_RX] = -1, 127 [DB8500_DMA_DEV11_UART2_RX] = -1, 128 [DB8500_DMA_DEV12_UART1_RX] = -1, 129 [DB8500_DMA_DEV13_UART0_RX] = -1, 130 [DB8500_DMA_DEV28_SD_MM2_RX] = -1, 131 [DB8500_DMA_DEV29_SD_MM0_RX] = -1, 132 [DB8500_DMA_DEV32_SD_MM1_RX] = -1, 133 [DB8500_DMA_DEV33_SPI2_RX] = -1, 134 [DB8500_DMA_DEV35_SPI1_RX] = -1, 135 [DB8500_DMA_DEV40_SPI3_RX] = -1, 136 [DB8500_DMA_DEV41_SD_MM3_RX] = -1, 137 [DB8500_DMA_DEV42_SD_MM4_RX] = -1, 138 [DB8500_DMA_DEV43_SD_MM5_RX] = -1, 139 [DB8500_DMA_DEV14_MSP2_RX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET, 140 [DB8500_DMA_DEV30_MSP3_RX] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET, 141 [DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET, 142}; 143 144/* Reserved event lines for memcpy only */ 145static int dma40_memcpy_event[] = { 146 DB8500_DMA_MEMCPY_TX_0, 147 DB8500_DMA_MEMCPY_TX_1, 148 DB8500_DMA_MEMCPY_TX_2, 149 DB8500_DMA_MEMCPY_TX_3, 150 DB8500_DMA_MEMCPY_TX_4, 151 DB8500_DMA_MEMCPY_TX_5, 152}; 153 154static struct stedma40_platform_data dma40_plat_data = { 155 .dev_len = DB8500_DMA_NR_DEV, 156 .dev_rx = dma40_rx_map, 157 .dev_tx = dma40_tx_map, 158 .memcpy = dma40_memcpy_event, 159 .memcpy_len = ARRAY_SIZE(dma40_memcpy_event), 160 .memcpy_conf_phy = &dma40_memcpy_conf_phy, 161 .memcpy_conf_log = &dma40_memcpy_conf_log, 162 .disabled_channels = {-1}, 163}; 164 165struct platform_device u8500_dma40_device = { 166 .dev = { 167 .platform_data = &dma40_plat_data, 168 }, 169 .name = "dma40", 170 .id = 0, 171 .num_resources = ARRAY_SIZE(dma40_resources), 172 .resource = dma40_resources 173}; 174 175struct resource keypad_resources[] = { 176 [0] = { 177 .start = U8500_SKE_BASE, 178 .end = U8500_SKE_BASE + SZ_4K - 1, 179 .flags = IORESOURCE_MEM, 180 }, 181 [1] = { 182 .start = IRQ_DB8500_KB, 183 .end = IRQ_DB8500_KB, 184 .flags = IORESOURCE_IRQ, 185 }, 186}; 187 188struct platform_device u8500_ske_keypad_device = { 189 .name = "nmk-ske-keypad", 190 .id = -1, 191 .num_resources = ARRAY_SIZE(keypad_resources), 192 .resource = keypad_resources, 193}; 194