cm_bf561.c

Go to the documentation of this file.

/*
 * Copyright 2004-2009 Analog Devices Inc.
 *               2008-2009 Bluetechnix
 *               2005 National ICT Australia (NICTA)
 *                    Aidan Williams <[email protected]>
 *
 * 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 <linux/ata_platform.h>
#include <linux/irq.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
#include <linux/mtd/physmap.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "Bluetechnix CM BF561";

#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
/* all SPI peripherals info goes here */

#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
static struct mtd_partition bfin_spi_flash_partitions[] = {
    {
        .name = "bootloader(spi)",
        .size = 0x00020000,
        .offset = 0,
        .mask_flags = MTD_CAP_ROM
    }, {
        .name = "linux kernel(spi)",
        .size = 0xe0000,
        .offset = 0x20000
    }, {
        .name = "file system(spi)",
        .size = 0x700000,
        .offset = 0x00100000,
    }
};

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 = "m25p64",
};

/* SPI flash chip (m25p64) */
static struct bfin5xx_spi_chip spi_flash_chip_info = {
    .enable_dma = 0,         /* use dma transfer with this chip*/
};
#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 = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
        .platform_data = &bfin_spi_flash_data,
        .controller_data = &spi_flash_chip_info,
        .mode = SPI_MODE_3,
    },
#endif

#if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
    {
        .modalias = "ad183x",
        .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
        .bus_num = 0,
        .chip_select = 4,
    },
#endif
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
    {
        .modalias = "mmc_spi",
        .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
        .bus_num = 0,
        .chip_select = 1,
        .mode = SPI_MODE_3,
    },
#endif
};

/* 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,
    },
};

/* SPI controller data */
static struct bfin5xx_spi_master bfin_spi0_info = {
    .num_chipselect = 8,
    .enable_dma = 1,  /* master has the ability to do dma transfer */
    .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
};

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_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
static struct platform_device hitachi_fb_device = {
    .name = "hitachi-tx09",
};
#endif


#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
#include <linux/smc91x.h>

static struct smc91x_platdata smc91x_info = {
    .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
    .leda = RPC_LED_100_10,
    .ledb = RPC_LED_TX_RX,
};

static struct resource smc91x_resources[] = {
    {
        .name = "smc91x-regs",
        .start = 0x28000300,
        .end = 0x28000300 + 16,
        .flags = IORESOURCE_MEM,
    }, {
        .start = IRQ_PF0,
        .end = IRQ_PF0,
        .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
    },
};
static struct platform_device smc91x_device = {
    .name = "smc91x",
    .id = 0,
    .num_resources = ARRAY_SIZE(smc91x_resources),
    .resource = smc91x_resources,
    .dev    = {
        .platform_data  = &smc91x_info,
    },
};
#endif

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include <linux/smsc911x.h>

static struct resource smsc911x_resources[] = {
    {
        .name = "smsc911x-memory",
        .start = 0x24008000,
        .end = 0x24008000 + 0xFF,
        .flags = IORESOURCE_MEM,
    },
    {
        .start = IRQ_PF43,
        .end = IRQ_PF43,
        .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
    },
};

static struct smsc911x_platform_config smsc911x_config = {
    .flags = SMSC911X_USE_16BIT,
    .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
    .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
    .phy_interface = PHY_INTERFACE_MODE_MII,
};

static struct platform_device smsc911x_device = {
    .name = "smsc911x",
    .id = 0,
    .num_resources = ARRAY_SIZE(smsc911x_resources),
    .resource = smsc911x_resources,
    .dev = {
        .platform_data = &smsc911x_config,
    },
};
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
static struct resource net2272_bfin_resources[] = {
    {
        .start = 0x24000000,
        .end = 0x24000000 + 0x100,
        .flags = IORESOURCE_MEM,
    }, {
        .start = IRQ_PF45,
        .end = IRQ_PF45,
        .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
    },
};

static struct platform_device net2272_bfin_device = {
    .name = "net2272",
    .id = -1,
    .num_resources = ARRAY_SIZE(net2272_bfin_resources),
    .resource = net2272_bfin_resources,
};
#endif

#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
static struct resource isp1362_hcd_resources[] = {
    {
        .start = 0x24008000,
        .end = 0x24008000,
        .flags = IORESOURCE_MEM,
    }, {
        .start = 0x24008004,
        .end = 0x24008004,
        .flags = IORESOURCE_MEM,
    }, {
        .start = IRQ_PF47,
        .end = IRQ_PF47,
        .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
    },
};

static struct isp1362_platform_data isp1362_priv = {
    .sel15Kres = 1,
    .clknotstop = 0,
    .oc_enable = 0,
    .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

#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
#ifdef CONFIG_SERIAL_BFIN_UART0
static struct resource bfin_uart0_resources[] = {
    {
        .start = BFIN_UART_THR,
        .end = BFIN_UART_GCTL+2,
        .flags = IORESOURCE_MEM,
    },
    {
        .start = IRQ_UART_TX,
        .end = IRQ_UART_TX,
        .flags = IORESOURCE_IRQ,
    },
    {
        .start = IRQ_UART_RX,
        .end = IRQ_UART_RX,
        .flags = IORESOURCE_IRQ,
    },
    {
        .start = IRQ_UART_ERROR,
        .end = IRQ_UART_ERROR,
        .flags = IORESOURCE_IRQ,
    },
    {
        .start = CH_UART_TX,
        .end = CH_UART_TX,
        .flags = IORESOURCE_DMA,
    },
    {
        .start = CH_UART_RX,
        .end = CH_UART_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
#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_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
#define PATA_INT    IRQ_PF46

static struct pata_platform_info bfin_pata_platform_data = {
    .ioport_shift = 2,
    .irq_type = IRQF_TRIGGER_HIGH,
};

static struct resource bfin_pata_resources[] = {
    {
        .start = 0x2400C000,
        .end = 0x2400C001F,
        .flags = IORESOURCE_MEM,
    },
    {
        .start = 0x2400D018,
        .end = 0x2400D01B,
        .flags = IORESOURCE_MEM,
    },
    {
        .start = PATA_INT,
        .end = PATA_INT,
        .flags = IORESOURCE_IRQ,
    },
};

static struct platform_device bfin_pata_device = {
    .name = "pata_platform",
    .id = -1,
    .num_resources = ARRAY_SIZE(bfin_pata_resources),
    .resource = bfin_pata_resources,
    .dev = {
        .platform_data = &bfin_pata_platform_data,
    }
};
#endif

#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition para_partitions[] = {
    {
        .name       = "bootloader(nor)",
        .size       = 0x40000,
        .offset     = 0,
    }, {
        .name       = "linux kernel(nor)",
        .size       = 0x100000,
        .offset     = MTDPART_OFS_APPEND,
    }, {
        .name       = "file system(nor)",
        .size       = MTDPART_SIZ_FULL,
        .offset     = MTDPART_OFS_APPEND,
    }
};

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

static struct resource para_flash_resource = {
    .start = 0x20000000,
    .end   = 0x207fffff,
    .flags = IORESOURCE_MEM,
};

static struct platform_device para_flash_device = {
    .name          = "physmap-flash",
    .id            = 0,
    .dev = {
        .platform_data = &para_flash_data,
    },
    .num_resources = 1,
    .resource      = &para_flash_resource,
};
#endif

static const unsigned int cclk_vlev_datasheet[] =
{
    VRPAIR(VLEV_085, 250000000),
    VRPAIR(VLEV_090, 300000000),
    VRPAIR(VLEV_095, 313000000),
    VRPAIR(VLEV_100, 350000000),
    VRPAIR(VLEV_105, 400000000),
    VRPAIR(VLEV_110, 444000000),
    VRPAIR(VLEV_115, 450000000),
    VRPAIR(VLEV_120, 475000000),
    VRPAIR(VLEV_125, 500000000),
    VRPAIR(VLEV_130, 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 *cm_bf561_devices[] __initdata = {

    &bfin_dpmc,

#if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
    &hitachi_fb_device,
#endif

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

#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
    &smc91x_device,
#endif

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
    &smsc911x_device,
#endif

#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
    &net2272_bfin_device,
#endif

#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
    &bfin_spi0_device,
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
    &bfin_pata_device,
#endif

#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
    &para_flash_device,
#endif
};

static int __init net2272_init(void)
{
#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
    int ret;

    ret = gpio_request(GPIO_PF46, "net2272");
    if (ret)
        return ret;

    /* Reset USB Chip, PF46 */
    gpio_direction_output(GPIO_PF46, 0);
    mdelay(2);
    gpio_set_value(GPIO_PF46, 1);
#endif

    return 0;
}

static int __init cm_bf561_init(void)
{
    printk(KERN_INFO "%s(): registering device resources\n", __func__);
    platform_add_devices(cm_bf561_devices, ARRAY_SIZE(cm_bf561_devices));
#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
    spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
#endif

#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
    irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
#endif

    if (net2272_init())
        pr_warning("unable to configure net2272; it probably won't work\n");

    return 0;
}

arch_initcall(cm_bf561_init);

static struct platform_device *cm_bf561_early_devices[] __initdata = {
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
#ifdef CONFIG_SERIAL_BFIN_UART0
    &bfin_uart0_device,
#endif
#endif
};

void __init native_machine_early_platform_add_devices(void)
{
    printk(KERN_INFO "register early platform devices\n");
    early_platform_add_devices(cm_bf561_early_devices,
        ARRAY_SIZE(cm_bf561_early_devices));
}