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Sourcecode: linux-2.6 version File versions

poodle.c

/*
 * linux/arch/arm/mach-pxa/poodle.c
 *
 *  Support for the SHARP Poodle Board.
 *
 * Based on:
 *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 * Change Log
 *  12-Dec-2002 Sharp Corporation for Poodle
 *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <linux/pm.h>
#include <linux/delay.h>

#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/setup.h>
#include <asm/system.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxa2xx-gpio.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
#include <asm/arch/irda.h>
#include <asm/arch/poodle.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/sharpsl.h>
#include <asm/arch/ssp.h>

#include <asm/hardware/scoop.h>
#include <asm/hardware/locomo.h>
#include <asm/mach/sharpsl_param.h>

#include "generic.h"
#include "devices.h"
#include "sharpsl.h"

static struct resource poodle_scoop_resources[] = {
      [0] = {
            .start            = 0x10800000,
            .end        = 0x10800fff,
            .flags            = IORESOURCE_MEM,
      },
};

static struct scoop_config poodle_scoop_setup = {
      .io_dir           = POODLE_SCOOP_IO_DIR,
      .io_out           = POODLE_SCOOP_IO_OUT,
};

struct platform_device poodle_scoop_device = {
      .name       = "sharp-scoop",
      .id         = -1,
      .dev        = {
            .platform_data    = &poodle_scoop_setup,
      },
      .num_resources    = ARRAY_SIZE(poodle_scoop_resources),
      .resource   = poodle_scoop_resources,
};

static void poodle_pcmcia_init(void)
{
      /* Setup default state of GPIO outputs
         before we enable them as outputs. */
      GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
            GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
            GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
            GPIO_bit(GPIO53_nPCE_2);

      pxa_gpio_mode(GPIO48_nPOE_MD);
      pxa_gpio_mode(GPIO49_nPWE_MD);
      pxa_gpio_mode(GPIO50_nPIOR_MD);
      pxa_gpio_mode(GPIO51_nPIOW_MD);
      pxa_gpio_mode(GPIO55_nPREG_MD);
      pxa_gpio_mode(GPIO56_nPWAIT_MD);
      pxa_gpio_mode(GPIO57_nIOIS16_MD);
      pxa_gpio_mode(GPIO52_nPCE_1_MD);
      pxa_gpio_mode(GPIO53_nPCE_2_MD);
      pxa_gpio_mode(GPIO54_pSKTSEL_MD);
}

static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
{
      .dev        = &poodle_scoop_device.dev,
      .irq        = POODLE_IRQ_GPIO_CF_IRQ,
      .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
      .cd_irq_str = "PCMCIA0 CD",
},
};

static struct scoop_pcmcia_config poodle_pcmcia_config = {
      .devs         = &poodle_pcmcia_scoop[0],
      .num_devs     = 1,
      .pcmcia_init  = poodle_pcmcia_init,
};

EXPORT_SYMBOL(poodle_scoop_device);


/* LoCoMo device */
static struct resource locomo_resources[] = {
      [0] = {
            .start            = 0x10000000,
            .end        = 0x10001fff,
            .flags            = IORESOURCE_MEM,
      },
      [1] = {
            .start            = IRQ_GPIO(10),
            .end        = IRQ_GPIO(10),
            .flags            = IORESOURCE_IRQ,
      },
};

struct platform_device poodle_locomo_device = {
      .name       = "locomo",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(locomo_resources),
      .resource   = locomo_resources,
};

EXPORT_SYMBOL(poodle_locomo_device);

/*
 * Poodle SSP Device
 */

struct platform_device poodle_ssp_device = {
      .name       = "corgi-ssp",
      .id         = -1,
};

struct corgissp_machinfo poodle_ssp_machinfo = {
      .port       = 1,
      .cs_lcdcon  = -1,
      .cs_ads7846 = -1,
      .cs_max1111 = -1,
      .clk_lcdcon = 2,
      .clk_ads7846      = 36,
      .clk_max1111      = 2,
};


/*
 * Poodle Touch Screen Device
 */
static struct resource poodlets_resources[] = {
      [0] = {
            .start            = POODLE_IRQ_GPIO_TP_INT,
            .end        = POODLE_IRQ_GPIO_TP_INT,
            .flags            = IORESOURCE_IRQ,
      },
};

static unsigned long poodle_get_hsync_invperiod(void)
{
      return 0;
}

static void poodle_null_hsync(void)
{
}

static struct corgits_machinfo  poodle_ts_machinfo = {
      .get_hsync_invperiod    = poodle_get_hsync_invperiod,
      .put_hsync        = poodle_null_hsync,
      .wait_hsync       = poodle_null_hsync,
};

static struct platform_device poodle_ts_device = {
      .name       = "corgi-ts",
      .dev        = {
            .platform_data    = &poodle_ts_machinfo,
      },
      .id         = -1,
      .num_resources    = ARRAY_SIZE(poodlets_resources),
      .resource   = poodlets_resources,
};


/*
 * MMC/SD Device
 *
 * The card detect interrupt isn't debounced so we delay it by 250ms
 * to give the card a chance to fully insert/eject.
 */
static struct pxamci_platform_data poodle_mci_platform_data;

static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
{
      int err;

      /* setup GPIO for PXA25x MMC controller   */
      pxa_gpio_mode(GPIO6_MMCCLK_MD);
      pxa_gpio_mode(GPIO8_MMCCS0_MD);
      pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
      pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN);
      pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
      pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT);

      poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);

      err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                    "MMC card detect", data);
      if (err)
            printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");

      return err;
}

static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
{
      struct pxamci_platform_data* p_d = dev->platform_data;

      if (( 1 << vdd) & p_d->ocr_mask) {
            GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
            mdelay(2);
            GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
      } else {
            GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
            GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
      }
}

static int poodle_mci_get_ro(struct device *dev)
{
      return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
}


static void poodle_mci_exit(struct device *dev, void *data)
{
      free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
}

static struct pxamci_platform_data poodle_mci_platform_data = {
      .ocr_mask   = MMC_VDD_32_33|MMC_VDD_33_34,
      .init             = poodle_mci_init,
      .get_ro           = poodle_mci_get_ro,
      .setpower   = poodle_mci_setpower,
      .exit       = poodle_mci_exit,
};


/*
 * Irda
 */
static void poodle_irda_transceiver_mode(struct device *dev, int mode)
{
      if (mode & IR_OFF) {
            GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
      } else {
            GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
      }
}

static struct pxaficp_platform_data poodle_ficp_platform_data = {
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
      .transceiver_mode = poodle_irda_transceiver_mode,
};


/*
 * USB Device Controller
 */
static void poodle_udc_command(int cmd)
{
      switch(cmd) {
      case PXA2XX_UDC_CMD_CONNECT:
            GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
            break;
      case PXA2XX_UDC_CMD_DISCONNECT:
            GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
            break;
      }
}

static struct pxa2xx_udc_mach_info udc_info __initdata = {
      /* no connect GPIO; poodle can't tell connection status */
      .udc_command            = poodle_udc_command,
};


/* PXAFB device */
static struct pxafb_mode_info poodle_fb_mode = {
      .pixclock   = 144700,
      .xres       = 320,
      .yres       = 240,
      .bpp        = 16,
      .hsync_len  = 7,
      .left_margin      = 11,
      .right_margin     = 30,
      .vsync_len  = 2,
      .upper_margin     = 2,
      .lower_margin     = 0,
      .sync       = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mach_info poodle_fb_info = {
      .modes            = &poodle_fb_mode,
      .num_modes  = 1,
      .lccr0            = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
      .lccr3            = 0,
};

static struct platform_device *devices[] __initdata = {
      &poodle_locomo_device,
      &poodle_scoop_device,
      &poodle_ssp_device,
      &poodle_ts_device,
};

static void poodle_poweroff(void)
{
      arm_machine_restart('h');
}

static void poodle_restart(char mode)
{
      arm_machine_restart('h');
}

static void __init poodle_init(void)
{
      int ret = 0;

      pm_power_off = poodle_poweroff;
      arm_pm_restart = poodle_restart;

      /* setup sleep mode values */
      PWER  = 0x00000002;
      PFER  = 0x00000000;
      PRER  = 0x00000002;
      PGSR0 = 0x00008000;
      PGSR1 = 0x003F0202;
      PGSR2 = 0x0001C000;
      PCFR |= PCFR_OPDE;

      /* cpu initialize */
      /* Pgsr Register */
      PGSR0 = 0x0146dd80;
      PGSR1 = 0x03bf0890;
      PGSR2 = 0x0001c000;

      /* Alternate Register */
      GAFR0_L = 0x01001000;
      GAFR0_U = 0x591a8010;
      GAFR1_L = 0x900a8451;
      GAFR1_U = 0xaaa5aaaa;
      GAFR2_L = 0x8aaaaaaa;
      GAFR2_U = 0x00000002;

      /* Direction Register */
      GPDR0 = 0xd3f0904c;
      GPDR1 = 0xfcffb7d3;
      GPDR2 = 0x0001ffff;

      /* Output Register */
      GPCR0 = 0x00000000;
      GPCR1 = 0x00000000;
      GPCR2 = 0x00000000;

      GPSR0 = 0x00400000;
      GPSR1 = 0x00000000;
        GPSR2 = 0x00000000;

      set_pxa_fb_parent(&poodle_locomo_device.dev);
      set_pxa_fb_info(&poodle_fb_info);
      pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
      pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
      pxa_set_udc_info(&udc_info);
      pxa_set_mci_info(&poodle_mci_platform_data);
      pxa_set_ficp_info(&poodle_ficp_platform_data);

      platform_scoop_config = &poodle_pcmcia_config;

      ret = platform_add_devices(devices, ARRAY_SIZE(devices));
      if (ret) {
            printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
      }
      corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
}

static void __init fixup_poodle(struct machine_desc *desc,
            struct tag *tags, char **cmdline, struct meminfo *mi)
{
      sharpsl_save_param();
      mi->nr_banks=1;
      mi->bank[0].start = 0xa0000000;
      mi->bank[0].node = 0;
      mi->bank[0].size = (32*1024*1024);
}

MACHINE_START(POODLE, "SHARP Poodle")
      .phys_io    = 0x40000000,
      .io_pg_offst      = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .fixup            = fixup_poodle,
      .map_io           = pxa_map_io,
      .init_irq   = pxa25x_init_irq,
      .timer            = &pxa_timer,
      .init_machine     = poodle_init,
MACHINE_END

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