devices-db8500.c

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/*
 * Copyright (C) ST-Ericsson SA 2010
 *
 * Author: Rabin Vincent <[email protected]> for ST-Ericsson
 * License terms: GNU General Public License (GPL) version 2
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl022.h>

#include <plat/ste_dma40.h>

#include <mach/hardware.h>
#include <mach/setup.h>

#include "ste-dma40-db8500.h"

static struct resource dma40_resources[] = {
    [0] = {
        .start = U8500_DMA_BASE,
        .end   = U8500_DMA_BASE + SZ_4K - 1,
        .flags = IORESOURCE_MEM,
        .name  = "base",
    },
    [1] = {
        .start = U8500_DMA_LCPA_BASE,
        .end   = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
        .flags = IORESOURCE_MEM,
        .name  = "lcpa",
    },
    [2] = {
        .start = IRQ_DB8500_DMA,
        .end   = IRQ_DB8500_DMA,
        .flags = IORESOURCE_IRQ,
    }
};

/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
    .mode = STEDMA40_MODE_PHYSICAL,
    .dir = STEDMA40_MEM_TO_MEM,

    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .src_info.psize = STEDMA40_PSIZE_PHY_1,
    .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,

    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.psize = STEDMA40_PSIZE_PHY_1,
    .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
    .dir = STEDMA40_MEM_TO_MEM,

    .src_info.data_width = STEDMA40_BYTE_WIDTH,
    .src_info.psize = STEDMA40_PSIZE_LOG_1,
    .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,

    .dst_info.data_width = STEDMA40_BYTE_WIDTH,
    .dst_info.psize = STEDMA40_PSIZE_LOG_1,
    .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};

/*
 * Mapping between destination event lines and physical device address.
 * The event line is tied to a device and therefore the address is constant.
 * When the address comes from a primecell it will be configured in runtime
 * and we set the address to -1 as a placeholder.
 */
static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
    /* MUSB - these will be runtime-reconfigured */
    [DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1,
    [DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1,
    [DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1,
    [DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1,
    [DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1,
    [DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1,
    [DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1,
    [DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1,
    /* PrimeCells - run-time configured */
    [DB8500_DMA_DEV0_SPI0_TX] = -1,
    [DB8500_DMA_DEV1_SD_MMC0_TX] = -1,
    [DB8500_DMA_DEV2_SD_MMC1_TX] = -1,
    [DB8500_DMA_DEV3_SD_MMC2_TX] = -1,
    [DB8500_DMA_DEV8_SSP0_TX] = -1,
    [DB8500_DMA_DEV9_SSP1_TX] = -1,
    [DB8500_DMA_DEV11_UART2_TX] = -1,
    [DB8500_DMA_DEV12_UART1_TX] = -1,
    [DB8500_DMA_DEV13_UART0_TX] = -1,
    [DB8500_DMA_DEV28_SD_MM2_TX] = -1,
    [DB8500_DMA_DEV29_SD_MM0_TX] = -1,
    [DB8500_DMA_DEV32_SD_MM1_TX] = -1,
    [DB8500_DMA_DEV33_SPI2_TX] = -1,
    [DB8500_DMA_DEV35_SPI1_TX] = -1,
    [DB8500_DMA_DEV40_SPI3_TX] = -1,
    [DB8500_DMA_DEV41_SD_MM3_TX] = -1,
    [DB8500_DMA_DEV42_SD_MM4_TX] = -1,
    [DB8500_DMA_DEV43_SD_MM5_TX] = -1,
    [DB8500_DMA_DEV14_MSP2_TX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV30_MSP1_TX] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV48_CAC1_TX] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
    [DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
};

/* Mapping between source event lines and physical device address */
static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
    /* MUSB - these will be runtime-reconfigured */
    [DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1,
    [DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1,
    [DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1,
    [DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1,
    [DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1,
    [DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1,
    [DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1,
    [DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1,
    /* PrimeCells */
    [DB8500_DMA_DEV0_SPI0_RX] = -1,
    [DB8500_DMA_DEV1_SD_MMC0_RX] = -1,
    [DB8500_DMA_DEV2_SD_MMC1_RX] = -1,
    [DB8500_DMA_DEV3_SD_MMC2_RX] = -1,
    [DB8500_DMA_DEV8_SSP0_RX] = -1,
    [DB8500_DMA_DEV9_SSP1_RX] = -1,
    [DB8500_DMA_DEV11_UART2_RX] = -1,
    [DB8500_DMA_DEV12_UART1_RX] = -1,
    [DB8500_DMA_DEV13_UART0_RX] = -1,
    [DB8500_DMA_DEV28_SD_MM2_RX] = -1,
    [DB8500_DMA_DEV29_SD_MM0_RX] = -1,
    [DB8500_DMA_DEV32_SD_MM1_RX] = -1,
    [DB8500_DMA_DEV33_SPI2_RX] = -1,
    [DB8500_DMA_DEV35_SPI1_RX] = -1,
    [DB8500_DMA_DEV40_SPI3_RX] = -1,
    [DB8500_DMA_DEV41_SD_MM3_RX] = -1,
    [DB8500_DMA_DEV42_SD_MM4_RX] = -1,
    [DB8500_DMA_DEV43_SD_MM5_RX] = -1,
    [DB8500_DMA_DEV14_MSP2_RX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV30_MSP3_RX] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
    [DB8500_DMA_DEV48_CAC1_RX] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
};

/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {
    DB8500_DMA_MEMCPY_TX_0,
    DB8500_DMA_MEMCPY_TX_1,
    DB8500_DMA_MEMCPY_TX_2,
    DB8500_DMA_MEMCPY_TX_3,
    DB8500_DMA_MEMCPY_TX_4,
    DB8500_DMA_MEMCPY_TX_5,
};

static struct stedma40_platform_data dma40_plat_data = {
    .dev_len = DB8500_DMA_NR_DEV,
    .dev_rx = dma40_rx_map,
    .dev_tx = dma40_tx_map,
    .memcpy = dma40_memcpy_event,
    .memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
    .memcpy_conf_phy = &dma40_memcpy_conf_phy,
    .memcpy_conf_log = &dma40_memcpy_conf_log,
    .disabled_channels = {-1},
};

struct platform_device u8500_dma40_device = {
    .dev = {
        .platform_data = &dma40_plat_data,
    },
    .name = "dma40",
    .id = 0,
    .num_resources = ARRAY_SIZE(dma40_resources),
    .resource = dma40_resources
};

struct resource keypad_resources[] = {
    [0] = {
        .start = U8500_SKE_BASE,
        .end = U8500_SKE_BASE + SZ_4K - 1,
        .flags = IORESOURCE_MEM,
    },
    [1] = {
        .start = IRQ_DB8500_KB,
        .end = IRQ_DB8500_KB,
        .flags = IORESOURCE_IRQ,
    },
};

struct platform_device u8500_ske_keypad_device = {
    .name = "nmk-ske-keypad",
    .id = -1,
    .num_resources = ARRAY_SIZE(keypad_resources),
    .resource = keypad_resources,
};