Logo Search packages:      
Sourcecode: linux version File versions  Download package

tll6527m.c

/* File:    arch/blackfin/mach-bf527/boards/tll6527m.c
 * Based on:      arch/blackfin/mach-bf527/boards/ezkit.c
 * Author:  Ashish Gupta
 *
 * Copyright: 2010 - The Learning Labs Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/i2c.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/usb/musb.h>
#include <linux/leds.h>
#include <linux/input.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/reboot.h>
#include <asm/nand.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>

#if defined(CONFIG_TOUCHSCREEN_AD7879) \
      || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
#include <linux/spi/ad7879.h>
#define LCD_BACKLIGHT_GPIO 0x40
/* TLL6527M uses TLL7UIQ35 / ADI LCD EZ Extender. AD7879 AUX GPIO is used for
 * LCD Backlight Enable
 */
#endif

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "TLL6527M";
/*
 *  Driver needs to know address, irq and flag pin.
 */

#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
static struct resource musb_resources[] = {
      [0] = {
            .start      = 0xffc03800,
            .end  = 0xffc03cff,
            .flags      = IORESOURCE_MEM,
      },
      [1] = {     /* general IRQ */
            .start      = IRQ_USB_INT0,
            .end  = IRQ_USB_INT0,
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      },
      [2] = {     /* DMA IRQ */
            .start      = IRQ_USB_DMA,
            .end  = IRQ_USB_DMA,
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      },
};

static struct musb_hdrc_config musb_config = {
      .multipoint = 0,
      .dyn_fifo   = 0,
      .soft_con   = 1,
      .dma        = 1,
      .num_eps    = 8,
      .dma_channels     = 8,
      /*.gpio_vrsel     = GPIO_PG13,*/
      /* Some custom boards need to be active low, just set it to "0"
       * if it is the case.
       */
      .gpio_vrsel_active      = 1,
};

static struct musb_hdrc_platform_data musb_plat = {
#if defined(CONFIG_USB_MUSB_OTG)
      .mode       = MUSB_OTG,
#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
      .mode       = MUSB_HOST,
#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
      .mode       = MUSB_PERIPHERAL,
#endif
      .config           = &musb_config,
};

static u64 musb_dmamask = ~(u32)0;

static struct platform_device musb_device = {
      .name       = "musb-blackfin",
      .id         = 0,
      .dev = {
            .dma_mask         = &musb_dmamask,
            .coherent_dma_mask      = 0xffffffff,
            .platform_data          = &musb_plat,
      },
      .num_resources    = ARRAY_SIZE(musb_resources),
      .resource   = musb_resources,
};
#endif

#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
#include <asm/bfin-lq035q1.h>

static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
      .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
      .ppi_mode = USE_RGB565_16_BIT_PPI,
      .use_bl = 1,
      .gpio_bl = LCD_BACKLIGHT_GPIO,
};

static struct resource bfin_lq035q1_resources[] = {
      {
            .start = IRQ_PPI_ERROR,
            .end = IRQ_PPI_ERROR,
            .flags = IORESOURCE_IRQ,
      },
};

static struct platform_device bfin_lq035q1_device = {
      .name       = "bfin-lq035q1",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(bfin_lq035q1_resources),
      .resource   = bfin_lq035q1_resources,
      .dev        = {
            .platform_data = &bfin_lq035q1_data,
      },
};
#endif

#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
static struct mtd_partition tll6527m_partitions[] = {
      {
            .name       = "bootloader(nor)",
            .size       = 0xA0000,
            .offset     = 0,
      }, {
            .name       = "linux kernel(nor)",
            .size       = 0xD00000,
            .offset     = MTDPART_OFS_APPEND,
      }, {
            .name       = "file system(nor)",
            .size       = MTDPART_SIZ_FULL,
            .offset     = MTDPART_OFS_APPEND,
      }
};

static struct physmap_flash_data tll6527m_flash_data = {
      .width      = 2,
      .parts      = tll6527m_partitions,
      .nr_parts   = ARRAY_SIZE(tll6527m_partitions),
};

static unsigned tll6527m_flash_gpios[] = { GPIO_PG11, GPIO_PH11, GPIO_PH12 };

static struct resource tll6527m_flash_resource[] = {
      {
            .name  = "cfi_probe",
            .start = 0x20000000,
            .end   = 0x201fffff,
            .flags = IORESOURCE_MEM,
      }, {
            .start = (unsigned long)tll6527m_flash_gpios,
            .end   = ARRAY_SIZE(tll6527m_flash_gpios),
            .flags = IORESOURCE_IRQ,
      }
};

static struct platform_device tll6527m_flash_device = {
      .name          = "gpio-addr-flash",
      .id            = 0,
      .dev = {
            .platform_data = &tll6527m_flash_data,
      },
      .num_resources = ARRAY_SIZE(tll6527m_flash_resource),
      .resource      = tll6527m_flash_resource,
};
#endif

#if defined(CONFIG_GPIO_DECODER) || defined(CONFIG_GPIO_DECODER_MODULE)
/* An SN74LVC138A 3:8 decoder chip has been used to generate 7 augmented
 * outputs used as SPI CS lines for all SPI SLAVE devices on TLL6527v1-0.
 * EXP_GPIO_SPISEL_BASE is the base number for the expanded outputs being
 * used as SPI CS lines, this should be > MAX_BLACKFIN_GPIOS
 */
#include <linux/gpio-decoder.h>
#define EXP_GPIO_SPISEL_BASE 0x64
static unsigned gpio_addr_inputs[] = {
      GPIO_PG1, GPIO_PH9, GPIO_PH10
};

static struct gpio_decoder_platform_data spi_decoded_cs = {
      .base       = EXP_GPIO_SPISEL_BASE,
      .input_addrs      = gpio_addr_inputs,
      .nr_input_addrs = ARRAY_SIZE(gpio_addr_inputs),
      .default_output   = 0,
/*    .default_output = (1 << ARRAY_SIZE(gpio_addr_inputs)) - 1 */
};

static struct platform_device spi_decoded_gpio = {
      .name = "gpio-decoder",
      .id   = 0,
      .dev  = {
            .platform_data = &spi_decoded_cs,
      },
};

#else
#define EXP_GPIO_SPISEL_BASE 0x0

#endif

#if defined(CONFIG_INPUT_ADXL34X) || defined(CONFIG_INPUT_ADXL34X_MODULE)
#include <linux/input/adxl34x.h>
static const struct adxl34x_platform_data adxl345_info = {
      .x_axis_offset = 0,
      .y_axis_offset = 0,
      .z_axis_offset = 0,
      .tap_threshold = 0x31,
      .tap_duration = 0x10,
      .tap_latency = 0x60,
      .tap_window = 0xF0,
      .tap_axis_control = ADXL_TAP_X_EN | ADXL_TAP_Y_EN | ADXL_TAP_Z_EN,
      .act_axis_control = 0xFF,
      .activity_threshold = 5,
      .inactivity_threshold = 2,
      .inactivity_time = 2,
      .free_fall_threshold = 0x7,
      .free_fall_time = 0x20,
      .data_rate = 0x8,
      .data_range = ADXL_FULL_RES,

      .ev_type = EV_ABS,
      .ev_code_x = ABS_X,           /* EV_REL */
      .ev_code_y = ABS_Y,           /* EV_REL */
      .ev_code_z = ABS_Z,           /* EV_REL */

      .ev_code_tap = {BTN_TOUCH, BTN_TOUCH, BTN_TOUCH}, /* EV_KEY x,y,z */

/*    .ev_code_ff = KEY_F,*/        /* EV_KEY */
      .ev_code_act_inactivity = KEY_A,    /* EV_KEY */
      .use_int2 = 1,
      .power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
      .fifo_mode = ADXL_FIFO_STREAM,
};
#endif

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
static struct platform_device rtc_device = {
      .name = "rtc-bfin",
      .id   = -1,
};
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
#include <linux/bfin_mac.h>
static const unsigned short bfin_mac_peripherals[] = P_RMII0;

static struct bfin_phydev_platform_data bfin_phydev_data[] = {
      {
            .addr = 1,
            .irq = IRQ_MAC_PHYINT,
      },
};

static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
      .phydev_number = 1,
      .phydev_data = bfin_phydev_data,
      .phy_mode = PHY_INTERFACE_MODE_RMII,
      .mac_peripherals = bfin_mac_peripherals,
};

static struct platform_device bfin_mii_bus = {
      .name = "bfin_mii_bus",
      .dev = {
            .platform_data = &bfin_mii_bus_data,
      }
};

static struct platform_device bfin_mac_device = {
      .name = "bfin_mac",
      .dev = {
            .platform_data = &bfin_mii_bus,
      }
};
#endif

#if defined(CONFIG_MTD_M25P80) \
      || defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
      {
            .name = "bootloader(spi)",
            .size = 0x00040000,
            .offset = 0,
            .mask_flags = MTD_CAP_ROM
      }, {
            .name = "linux kernel(spi)",
            .size = MTDPART_SIZ_FULL,
            .offset = MTDPART_OFS_APPEND,
      }
};

static struct flash_platform_data bfin_spi_flash_data = {
      .name = "m25p80",
      .parts = bfin_spi_flash_partitions,
      .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
      .type = "m25p16",
};

/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
      .enable_dma = 0,         /* use dma transfer with this chip*/
      .bits_per_word = 8,
};
#endif

#if defined(CONFIG_BFIN_SPI_ADC) \
      || defined(CONFIG_BFIN_SPI_ADC_MODULE)
/* SPI ADC chip */
static struct bfin5xx_spi_chip spi_adc_chip_info = {
      .enable_dma = 0,         /* use dma transfer with this chip*/
/*
 * tll6527m V1.0 does not support native spi slave selects
 * hence DMA mode will not be useful since the ADC needs
 * CS to toggle for each sample and cs_change_per_word
 * seems to be removed from spi_bfin5xx.c
 */
      .bits_per_word = 16,
};
#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 8,
};
#endif

#if defined(CONFIG_TOUCHSCREEN_AD7879) \
      || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
static const struct ad7879_platform_data bfin_ad7879_ts_info = {
      .model                  = 7879,     /* Model = AD7879 */
      .x_plate_ohms           = 620,      /* 620 Ohm from the touch datasheet */
      .pressure_max           = 10000,
      .pressure_min           = 0,
      .first_conversion_delay = 3,
                        /* wait 512us before do a first conversion */
      .acquisition_time = 1,  /* 4us acquisition time per sample */
      .median                 = 2,  /* do 8 measurements */
      .averaging        = 1,
                        /* take the average of 4 middle samples */
      .pen_down_acc_interval  = 255,      /* 9.4 ms */
      .gpio_export            = 1,  /* configure AUX as GPIO output*/
      .gpio_base        = LCD_BACKLIGHT_GPIO,
};
#endif

#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) \
      || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 16,
};
#endif

#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
static struct bfin5xx_spi_chip spidev_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 8,
};
#endif

#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
static struct platform_device bfin_i2s = {
      .name = "bfin-i2s",
      .id = CONFIG_SND_BF5XX_SPORT_NUM,
      /* TODO: add platform data here */
};
#endif

#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
      .enable_dma = 0,
      .bits_per_word    = 8,
};
#endif

#if defined(CONFIG_GPIO_MCP23S08) || defined(CONFIG_GPIO_MCP23S08_MODULE)
static struct bfin5xx_spi_chip spi_mcp23s08_sys_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 8,
};

static struct bfin5xx_spi_chip spi_mcp23s08_usr_chip_info = {
      .enable_dma = 0,
      .bits_per_word = 8,
};

#include <linux/spi/mcp23s08.h>
static const struct mcp23s08_platform_data bfin_mcp23s08_sys_gpio_info = {
      .chip[0].is_present = true,
      .base = 0x30,
};
static const struct mcp23s08_platform_data bfin_mcp23s08_usr_gpio_info = {
      .chip[2].is_present = true,
      .base = 0x38,
};
#endif

static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
      || defined(CONFIG_MTD_M25P80_MODULE)
      {
            /* the modalias must be the same as spi device driver name */
            .modalias = "m25p80", /* Name of spi_driver for this device */
            .max_speed_hz = 25000000,
                        /* max spi clock (SCK) speed in HZ */
            .bus_num = 0, /* Framework bus number */
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x04 + MAX_CTRL_CS,
            /* Can be connected to TLL6527M GPIO connector */
            /* Either SPI_ADC or M25P80 FLASH can be installed at a time */
            .platform_data = &bfin_spi_flash_data,
            .controller_data = &spi_flash_chip_info,
            .mode = SPI_MODE_3,
      },
#endif

#if defined(CONFIG_BFIN_SPI_ADC)
      || defined(CONFIG_BFIN_SPI_ADC_MODULE)
      {
            .modalias = "bfin_spi_adc",
                        /* Name of spi_driver for this device */
            .max_speed_hz = 10000000,
                        /* max spi clock (SCK) speed in HZ */
            .bus_num = 0, /* Framework bus number */
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x04 + MAX_CTRL_CS,
             /* Framework chip select. */
            .platform_data = NULL, /* No spi_driver specific config */
            .controller_data = &spi_adc_chip_info,
            .mode = SPI_MODE_0,
      },
#endif

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
      {
            .modalias = "mmc_spi",
/*
 * TLL6527M V1.0 does not support SD Card at SPI Clock > 10 MHz due to
 * SPI buffer limitations
 */
            .max_speed_hz = 10000000,
                              /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x05 + MAX_CTRL_CS,
            .controller_data = &mmc_spi_chip_info,
            .mode = SPI_MODE_0,
      },
#endif
#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) \
      || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
      {
            .modalias = "ad7879",
            .platform_data = &bfin_ad7879_ts_info,
            .irq = IRQ_PH14,
            .max_speed_hz = 5000000,
                              /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x07 + MAX_CTRL_CS,
            .controller_data = &spi_ad7879_chip_info,
            .mode = SPI_CPHA | SPI_CPOL,
      },
#endif
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
      {
            .modalias = "spidev",
            .max_speed_hz = 10000000,
            /* TLL6527Mv1-0 supports max spi clock (SCK) speed = 10 MHz */
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x03 + MAX_CTRL_CS,
            .mode = SPI_CPHA | SPI_CPOL,
            .controller_data = &spidev_chip_info,
      },
#endif
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
      {
            .modalias = "bfin-lq035q1-spi",
            .max_speed_hz = 20000000,
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x06 + MAX_CTRL_CS,
            .controller_data = &lq035q1_spi_chip_info,
            .mode = SPI_CPHA | SPI_CPOL,
      },
#endif
#if defined(CONFIG_GPIO_MCP23S08) || defined(CONFIG_GPIO_MCP23S08_MODULE)
      {
            .modalias = "mcp23s08",
            .platform_data = &bfin_mcp23s08_sys_gpio_info,
            .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x01 + MAX_CTRL_CS,
            .controller_data = &spi_mcp23s08_sys_chip_info,
            .mode = SPI_CPHA | SPI_CPOL,
      },
      {
            .modalias = "mcp23s08",
            .platform_data = &bfin_mcp23s08_usr_gpio_info,
            .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
            .bus_num = 0,
            .chip_select = EXP_GPIO_SPISEL_BASE + 0x02 + MAX_CTRL_CS,
            .controller_data = &spi_mcp23s08_usr_chip_info,
            .mode = SPI_CPHA | SPI_CPOL,
      },
#endif
};

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* SPI controller data */
static struct bfin5xx_spi_master bfin_spi0_info = {
      .num_chipselect = EXP_GPIO_SPISEL_BASE + 8 + MAX_CTRL_CS,
      /* EXP_GPIO_SPISEL_BASE will be > MAX_BLACKFIN_GPIOS */
      .enable_dma = 1,  /* master has the ability to do dma transfer */
      .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
};

/* SPI (0) */
static struct resource bfin_spi0_resource[] = {
      [0] = {
            .start = SPI0_REGBASE,
            .end   = SPI0_REGBASE + 0xFF,
            .flags = IORESOURCE_MEM,
            },
      [1] = {
            .start = CH_SPI,
            .end   = CH_SPI,
            .flags = IORESOURCE_DMA,
      },
      [2] = {
            .start = IRQ_SPI,
            .end   = IRQ_SPI,
            .flags = IORESOURCE_IRQ,
      },
};

static struct platform_device bfin_spi0_device = {
      .name = "bfin-spi",
      .id = 0, /* Bus number */
      .num_resources = ARRAY_SIZE(bfin_spi0_resource),
      .resource = bfin_spi0_resource,
      .dev = {
            .platform_data = &bfin_spi0_info, /* Passed to driver */
      },
};
#endif  /* spi master and devices */

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
#ifdef CONFIG_SERIAL_BFIN_UART0
static struct resource bfin_uart0_resources[] = {
      {
            .start = UART0_THR,
            .end = UART0_GCTL+2,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART0_RX,
            .end = IRQ_UART0_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = IRQ_UART0_ERROR,
            .end = IRQ_UART0_ERROR,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART0_TX,
            .end = CH_UART0_TX,
            .flags = IORESOURCE_DMA,
      },
      {
            .start = CH_UART0_RX,
            .end = CH_UART0_RX,
            .flags = IORESOURCE_DMA,
      },
};

static unsigned short bfin_uart0_peripherals[] = {
      P_UART0_TX, P_UART0_RX, 0
};

static struct platform_device bfin_uart0_device = {
      .name = "bfin-uart",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_uart0_resources),
      .resource = bfin_uart0_resources,
      .dev = {
            .platform_data = &bfin_uart0_peripherals,
                              /* Passed to driver */
      },
};
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
static struct resource bfin_uart1_resources[] = {
      {
            .start = UART1_THR,
            .end = UART1_GCTL+2,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART1_RX,
            .end = IRQ_UART1_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = IRQ_UART1_ERROR,
            .end = IRQ_UART1_ERROR,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART1_TX,
            .end = CH_UART1_TX,
            .flags = IORESOURCE_DMA,
      },
      {
            .start = CH_UART1_RX,
            .end = CH_UART1_RX,
            .flags = IORESOURCE_DMA,
      },
#ifdef CONFIG_BFIN_UART1_CTSRTS
      {     /* CTS pin */
            .start = GPIO_PF9,
            .end = GPIO_PF9,
            .flags = IORESOURCE_IO,
      },
      {     /* RTS pin */
            .start = GPIO_PF10,
            .end = GPIO_PF10,
            .flags = IORESOURCE_IO,
      },
#endif
};

static unsigned short bfin_uart1_peripherals[] = {
      P_UART1_TX, P_UART1_RX, 0
};

static struct platform_device bfin_uart1_device = {
      .name = "bfin-uart",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_uart1_resources),
      .resource = bfin_uart1_resources,
      .dev = {
            .platform_data = &bfin_uart1_peripherals,
                                    /* Passed to driver */
      },
};
#endif
#endif

#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
      {
            .start = 0xFFC00400,
            .end = 0xFFC004FF,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART0_RX,
            .end = IRQ_UART0_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART0_RX,
            .end = CH_UART0_RX+1,
            .flags = IORESOURCE_DMA,
      },
};

static struct platform_device bfin_sir0_device = {
      .name = "bfin_sir",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_sir0_resources),
      .resource = bfin_sir0_resources,
};
#endif
#ifdef CONFIG_BFIN_SIR1
static struct resource bfin_sir1_resources[] = {
      {
            .start = 0xFFC02000,
            .end = 0xFFC020FF,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_UART1_RX,
            .end = IRQ_UART1_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = CH_UART1_RX,
            .end = CH_UART1_RX+1,
            .flags = IORESOURCE_DMA,
      },
};

static struct platform_device bfin_sir1_device = {
      .name = "bfin_sir",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_sir1_resources),
      .resource = bfin_sir1_resources,
};
#endif
#endif

#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
static struct resource bfin_twi0_resource[] = {
      [0] = {
            .start = TWI0_REGBASE,
            .end   = TWI0_REGBASE,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = IRQ_TWI,
            .end   = IRQ_TWI,
            .flags = IORESOURCE_IRQ,
      },
};

static struct platform_device i2c_bfin_twi_device = {
      .name = "i2c-bfin-twi",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_twi0_resource),
      .resource = bfin_twi0_resource,
};
#endif

static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
      {
            I2C_BOARD_INFO("pcf8574_lcd", 0x22),
      },
#endif

#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
      {
            I2C_BOARD_INFO("bfin-adv7393", 0x2B),
      },
#endif
#if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) \
      || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
      {
            I2C_BOARD_INFO("ad7879", 0x2C),
            .irq = IRQ_PH14,
            .platform_data = (void *)&bfin_ad7879_ts_info,
      },
#endif
#if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
      {
            I2C_BOARD_INFO("ssm2602", 0x1b),
      },
#endif
      {
            I2C_BOARD_INFO("adm1192", 0x2e),
      },

      {
            I2C_BOARD_INFO("ltc3576", 0x09),
      },
#if defined(CONFIG_INPUT_ADXL34X_I2C) \
      || defined(CONFIG_INPUT_ADXL34X_I2C_MODULE)
      {
            I2C_BOARD_INFO("adxl34x", 0x53),
            .irq = IRQ_PH13,
            .platform_data = (void *)&adxl345_info,
      },
#endif
};

#if defined(CONFIG_SERIAL_BFIN_SPORT) \
      || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
static struct resource bfin_sport0_uart_resources[] = {
      {
            .start = SPORT0_TCR1,
            .end = SPORT0_MRCS3+4,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_SPORT0_RX,
            .end = IRQ_SPORT0_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = IRQ_SPORT0_ERROR,
            .end = IRQ_SPORT0_ERROR,
            .flags = IORESOURCE_IRQ,
      },
};

static unsigned short bfin_sport0_peripherals[] = {
      P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
      P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
};

static struct platform_device bfin_sport0_uart_device = {
      .name = "bfin-sport-uart",
      .id = 0,
      .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
      .resource = bfin_sport0_uart_resources,
      .dev = {
            .platform_data = &bfin_sport0_peripherals,
            /* Passed to driver */
      },
};
#endif
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
static struct resource bfin_sport1_uart_resources[] = {
      {
            .start = SPORT1_TCR1,
            .end = SPORT1_MRCS3+4,
            .flags = IORESOURCE_MEM,
      },
      {
            .start = IRQ_SPORT1_RX,
            .end = IRQ_SPORT1_RX+1,
            .flags = IORESOURCE_IRQ,
      },
      {
            .start = IRQ_SPORT1_ERROR,
            .end = IRQ_SPORT1_ERROR,
            .flags = IORESOURCE_IRQ,
      },
};

static unsigned short bfin_sport1_peripherals[] = {
      P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
      P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
};

static struct platform_device bfin_sport1_uart_device = {
      .name = "bfin-sport-uart",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
      .resource = bfin_sport1_uart_resources,
      .dev = {
            .platform_data = &bfin_sport1_peripherals,
            /* Passed to driver */
      },
};
#endif
#endif

static const unsigned int cclk_vlev_datasheet[] = {
      VRPAIR(VLEV_100, 400000000),
      VRPAIR(VLEV_105, 426000000),
      VRPAIR(VLEV_110, 500000000),
      VRPAIR(VLEV_115, 533000000),
      VRPAIR(VLEV_120, 600000000),
};

static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
      .tuple_tab = cclk_vlev_datasheet,
      .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
      .vr_settling_time = 25 /* us */,
};

static struct platform_device bfin_dpmc = {
      .name = "bfin dpmc",
      .dev = {
            .platform_data = &bfin_dmpc_vreg_data,
      },
};

static struct platform_device *tll6527m_devices[] __initdata = {

      &bfin_dpmc,

#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
      &rtc_device,
#endif

#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
      &musb_device,
#endif

#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
      &bfin_mii_bus,
      &bfin_mac_device,
#endif

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
      &bfin_spi0_device,
#endif

#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
      &bfin_lq035q1_device,
#endif

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
#ifdef CONFIG_SERIAL_BFIN_UART0
      &bfin_uart0_device,
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
      &bfin_uart1_device,
#endif
#endif

#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
      &bfin_sir0_device,
#endif
#ifdef CONFIG_BFIN_SIR1
      &bfin_sir1_device,
#endif
#endif

#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
      &i2c_bfin_twi_device,
#endif

#if defined(CONFIG_SERIAL_BFIN_SPORT) \
      || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
      &bfin_sport0_uart_device,
#endif
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
      &bfin_sport1_uart_device,
#endif
#endif

#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
      &tll6527m_flash_device,
#endif

#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
      &bfin_i2s,
#endif

#if defined(CONFIG_GPIO_DECODER) || defined(CONFIG_GPIO_DECODER_MODULE)
      &spi_decoded_gpio,
#endif
};

static int __init tll6527m_init(void)
{
      printk(KERN_INFO "%s(): registering device resources\n", __func__);
      i2c_register_board_info(0, bfin_i2c_board_info,
                        ARRAY_SIZE(bfin_i2c_board_info));
      platform_add_devices(tll6527m_devices, ARRAY_SIZE(tll6527m_devices));
      spi_register_board_info(bfin_spi_board_info,
                        ARRAY_SIZE(bfin_spi_board_info));
      return 0;
}

arch_initcall(tll6527m_init);

static struct platform_device *tll6527m_early_devices[] __initdata = {
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
#ifdef CONFIG_SERIAL_BFIN_UART0
      &bfin_uart0_device,
#endif
#ifdef CONFIG_SERIAL_BFIN_UART1
      &bfin_uart1_device,
#endif
#endif

#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
      &bfin_sport0_uart_device,
#endif
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
      &bfin_sport1_uart_device,
#endif
#endif
};

void __init native_machine_early_platform_add_devices(void)
{
      printk(KERN_INFO "register early platform devices\n");
      early_platform_add_devices(tll6527m_early_devices,
            ARRAY_SIZE(tll6527m_early_devices));
}

void native_machine_restart(char *cmd)
{
      /* workaround reboot hang when booting from SPI */
      if ((bfin_read_SYSCR() & 0x7) == 0x3)
            bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
}

void bfin_get_ether_addr(char *addr)
{
      /* the MAC is stored in OTP memory page 0xDF */
      u32 ret;
      u64 otp_mac;
      u32 (*otp_read)(u32 page, u32 flags,
                  u64 *page_content) = (void *)0xEF00001A;

      ret = otp_read(0xDF, 0x00, &otp_mac);
      if (!(ret & 0x1)) {
            char *otp_mac_p = (char *)&otp_mac;
            for (ret = 0; ret < 6; ++ret)
                  addr[ret] = otp_mac_p[5 - ret];
      }
}
EXPORT_SYMBOL(bfin_get_ether_addr);

Generated by  Doxygen 1.6.0   Back to index