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ip0x.c

/*
 * Copyright 2004-2009 Analog Devices Inc.
 *                2007 David Rowe
 *                2006 Intratrade Ltd.
 *                     Ivan Danov <idanov@gmail.com>
 *                2005 National ICT Australia (NICTA)
 *                     Aidan Williams <aidan@nicta.com.au>
 *
 * 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/spi/spi.h>
#include <linux/spi/flash.h>
#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
#include <linux/usb/isp1362.h>
#endif
#include <asm/irq.h>
#include <asm/bfin5xx_spi.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "IP04/IP08";

/*
 *  Driver needs to know address, irq and flag pin.
 */
#if defined(CONFIG_BFIN532_IP0X)
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)

#include <linux/dm9000.h>

static struct resource dm9000_resource1[] = {
      {
            .start = 0x20100000,
            .end   = 0x20100000 + 1,
            .flags = IORESOURCE_MEM
      },{
            .start = 0x20100000 + 2,
            .end   = 0x20100000 + 3,
            .flags = IORESOURCE_MEM
      },{
            .start = IRQ_PF15,
            .end   = IRQ_PF15,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
      }
};

static struct resource dm9000_resource2[] = {
      {
            .start = 0x20200000,
            .end   = 0x20200000 + 1,
            .flags = IORESOURCE_MEM
      },{
            .start = 0x20200000 + 2,
            .end   = 0x20200000 + 3,
            .flags = IORESOURCE_MEM
      },{
            .start = IRQ_PF14,
            .end   = IRQ_PF14,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
      }
};

/*
* for the moment we limit ourselves to 16bit IO until some
* better IO routines can be written and tested
*/
static struct dm9000_plat_data dm9000_platdata1 = {
      .flags          = DM9000_PLATF_16BITONLY,
};

static struct platform_device dm9000_device1 = {
      .name           = "dm9000",
      .id             = 0,
      .num_resources  = ARRAY_SIZE(dm9000_resource1),
      .resource       = dm9000_resource1,
      .dev            = {
            .platform_data = &dm9000_platdata1,
      }
};

static struct dm9000_plat_data dm9000_platdata2 = {
      .flags          = DM9000_PLATF_16BITONLY,
};

static struct platform_device dm9000_device2 = {
      .name           = "dm9000",
      .id             = 1,
      .num_resources  = ARRAY_SIZE(dm9000_resource2),
      .resource       = dm9000_resource2,
      .dev            = {
            .platform_data = &dm9000_platdata2,
      }
};

#endif
#endif


#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
/* all SPI peripherals info goes here */

#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
/*
 * CPOL (Clock Polarity)
 *  0 - Active high SCK
 *  1 - Active low SCK
 *  CPHA (Clock Phase) Selects transfer format and operation mode
 *  0 - SCLK toggles from middle of the first data bit, slave select
 *      pins controlled by hardware.
 *  1 - SCLK toggles from beginning of first data bit, slave select
 *      pins controller by user software.
 *    .ctl_reg = 0x1c00,             *  CPOL=1,CPHA=1,Sandisk 1G work
 * NO NO    .ctl_reg = 0x1800,             *  CPOL=1,CPHA=0
 * NO NO    .ctl_reg = 0x1400,             *  CPOL=0,CPHA=1
 */
      .ctl_reg = 0x1000,            /* CPOL=0,CPHA=0,Sandisk 1G work */
      .enable_dma = 0,        /* if 1 - block!!! */
      .bits_per_word = 8,
};
#endif

/* Notice: for blackfin, the speed_hz is the value of register
 * SPI_BAUD, not the real baudrate */
static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
      {
            .modalias = "mmc_spi",
            .max_speed_hz = 2,
            .bus_num = 1,
            .chip_select = 5,
            .controller_data = &mmc_spi_chip_info,
      },
#endif
};

/* SPI controller data */
static struct bfin5xx_spi_master spi_bfin_master_info = {
      .num_chipselect = 8,
      .enable_dma = 1,  /* master has the ability to do dma transfer */
};

static struct platform_device spi_bfin_master_device = {
      .name = "bfin-spi-master",
      .id = 1, /* Bus number */
      .dev = {
            .platform_data = &spi_bfin_master_info, /* Passed to driver */
      },
};
#endif  /* spi master and devices */

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
static struct resource bfin_uart_resources[] = {
      {
            .start = 0xFFC00400,
            .end = 0xFFC004FF,
            .flags = IORESOURCE_MEM,
      },
};

static struct platform_device bfin_uart_device = {
      .name = "bfin-uart",
      .id = 1,
      .num_resources = ARRAY_SIZE(bfin_uart_resources),
      .resource = bfin_uart_resources,
};
#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
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
static struct resource isp1362_hcd_resources[] = {
      {
            .start = 0x20300000,
            .end   = 0x20300000 + 1,
            .flags = IORESOURCE_MEM,
      },{
            .start = 0x20300000 + 2,
            .end   = 0x20300000 + 3,
            .flags = IORESOURCE_MEM,
      },{
            .start = IRQ_PF11,
            .end   = IRQ_PF11,
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
      },
};

static struct isp1362_platform_data isp1362_priv = {
      .sel15Kres = 1,
      .clknotstop = 0,
      .oc_enable = 0,         /* external OC */
      .int_act_high = 0,
      .int_edge_triggered = 0,
      .remote_wakeup_connected = 0,
      .no_power_switching = 1,
      .power_switching_mode = 0,
};

static struct platform_device isp1362_hcd_device = {
      .name = "isp1362-hcd",
      .id = 0,
      .dev = {
            .platform_data = &isp1362_priv,
      },
      .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
      .resource = isp1362_hcd_resources,
};
#endif


static struct platform_device *ip0x_devices[] __initdata = {
#if defined(CONFIG_BFIN532_IP0X)
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
      &dm9000_device1,
      &dm9000_device2,
#endif
#endif

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

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
      &bfin_uart_device,
#endif

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

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
      &isp1362_hcd_device,
#endif
};

static int __init ip0x_init(void)
{
      int i;

      printk(KERN_INFO "%s(): registering device resources\n", __func__);
      platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));

#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
      for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
            int j = 1 << bfin_spi_board_info[i].chip_select;
            /* set spi cs to 1 */
            bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
            bfin_write_FIO_FLAG_S(j);
      }
      spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
#endif

      return 0;
}

arch_initcall(ip0x_init);

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