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magician.c

/*
 * Support for HTC Magician PDA phones:
 * i-mate JAM, O2 Xda mini, Orange SPV M500, Qtek s100, Qtek s110
 * and T-Mobile MDA Compact.
 *
 * Copyright (c) 2006-2007 Philipp Zabel
 *
 * Based on hx4700.c, spitz.c and others.
 *
 * 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.
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/mfd/htc-egpio.h>
#include <linux/mfd/htc-pasic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/bq24022.h>
#include <linux/regulator/machine.h>
#include <linux/usb/gpio_vbus.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/pxa27x.h>
#include <mach/magician.h>
#include <mach/pxafb.h>
#include <plat/i2c.h>
#include <mach/mmc.h>
#include <mach/irda.h>
#include <mach/ohci.h>

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

static unsigned long magician_pin_config[] __initdata = {

      /* SDRAM and Static Memory I/O Signals */
      GPIO20_nSDCS_2,
      GPIO21_nSDCS_3,
      GPIO15_nCS_1,
      GPIO78_nCS_2,   /* PASIC3 */
      GPIO79_nCS_3,   /* EGPIO CPLD */
      GPIO80_nCS_4,
      GPIO33_nCS_5,

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,

      /* PWM 0 */
      GPIO16_PWM0_OUT,

      /* I2S */
      GPIO28_I2S_BITCLK_OUT,
      GPIO29_I2S_SDATA_IN,
      GPIO31_I2S_SYNC,
      GPIO113_I2S_SYSCLK,

      /* SSP 1 */
      GPIO23_SSP1_SCLK,
      GPIO24_SSP1_SFRM,
      GPIO25_SSP1_TXD,

      /* SSP 2 */
      GPIO19_SSP2_SCLK,
      GPIO14_SSP2_SFRM,
      GPIO89_SSP2_TXD,
      GPIO88_SSP2_RXD,

      /* MMC */
      GPIO32_MMC_CLK,
      GPIO92_MMC_DAT_0,
      GPIO109_MMC_DAT_1,
      GPIO110_MMC_DAT_2,
      GPIO111_MMC_DAT_3,
      GPIO112_MMC_CMD,

      /* LCD */
      GPIO58_LCD_LDD_0,
      GPIO59_LCD_LDD_1,
      GPIO60_LCD_LDD_2,
      GPIO61_LCD_LDD_3,
      GPIO62_LCD_LDD_4,
      GPIO63_LCD_LDD_5,
      GPIO64_LCD_LDD_6,
      GPIO65_LCD_LDD_7,
      GPIO66_LCD_LDD_8,
      GPIO67_LCD_LDD_9,
      GPIO68_LCD_LDD_10,
      GPIO69_LCD_LDD_11,
      GPIO70_LCD_LDD_12,
      GPIO71_LCD_LDD_13,
      GPIO72_LCD_LDD_14,
      GPIO73_LCD_LDD_15,
      GPIO74_LCD_FCLK,
      GPIO75_LCD_LCLK,
      GPIO76_LCD_PCLK,
      GPIO77_LCD_BIAS,

      /* QCI */
      GPIO12_CIF_DD_7,
      GPIO17_CIF_DD_6,
      GPIO50_CIF_DD_3,
      GPIO51_CIF_DD_2,
      GPIO52_CIF_DD_4,
      GPIO53_CIF_MCLK,
      GPIO54_CIF_PCLK,
      GPIO55_CIF_DD_1,
      GPIO81_CIF_DD_0,
      GPIO82_CIF_DD_5,
      GPIO84_CIF_FV,
      GPIO85_CIF_LV,

      /* Magician specific input GPIOs */
      GPIO9_GPIO, /* unknown */
      GPIO10_GPIO,      /* GSM_IRQ */
      GPIO13_GPIO,      /* CPLD_IRQ */
      GPIO107_GPIO,     /* DS1WM_IRQ */
      GPIO108_GPIO,     /* GSM_READY */
      GPIO115_GPIO,     /* nPEN_IRQ */

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,
};

/*
 * IRDA
 */

static struct pxaficp_platform_data magician_ficp_info = {
      .gpio_pwdown            = GPIO83_MAGICIAN_nIR_EN,
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
};

/*
 * GPIO Keys
 */

#define INIT_KEY(_code, _gpio, _desc)     \
      {                       \
            .code   = KEY_##_code,  \
            .gpio   = _gpio,  \
            .desc   = _desc,  \
            .type   = EV_KEY, \
            .wakeup = 1,            \
      }

static struct gpio_keys_button magician_button_table[] = {
      INIT_KEY(POWER,      GPIO0_MAGICIAN_KEY_POWER,      "Power button"),
      INIT_KEY(ESC,        GPIO37_MAGICIAN_KEY_HANGUP,    "Hangup button"),
      INIT_KEY(F10,        GPIO38_MAGICIAN_KEY_CONTACTS,  "Contacts button"),
      INIT_KEY(CALENDAR,   GPIO90_MAGICIAN_KEY_CALENDAR,  "Calendar button"),
      INIT_KEY(CAMERA,     GPIO91_MAGICIAN_KEY_CAMERA,    "Camera button"),
      INIT_KEY(UP,         GPIO93_MAGICIAN_KEY_UP,        "Up button"),
      INIT_KEY(DOWN,       GPIO94_MAGICIAN_KEY_DOWN,      "Down button"),
      INIT_KEY(LEFT,       GPIO95_MAGICIAN_KEY_LEFT,      "Left button"),
      INIT_KEY(RIGHT,      GPIO96_MAGICIAN_KEY_RIGHT,     "Right button"),
      INIT_KEY(KPENTER,    GPIO97_MAGICIAN_KEY_ENTER,     "Action button"),
      INIT_KEY(RECORD,     GPIO98_MAGICIAN_KEY_RECORD,    "Record button"),
      INIT_KEY(VOLUMEUP,   GPIO100_MAGICIAN_KEY_VOL_UP,   "Volume up"),
      INIT_KEY(VOLUMEDOWN, GPIO101_MAGICIAN_KEY_VOL_DOWN, "Volume down"),
      INIT_KEY(PHONE,      GPIO102_MAGICIAN_KEY_PHONE,    "Phone button"),
      INIT_KEY(PLAY,       GPIO99_MAGICIAN_HEADPHONE_IN,  "Headset button"),
};

static struct gpio_keys_platform_data gpio_keys_data = {
      .buttons  = magician_button_table,
      .nbuttons = ARRAY_SIZE(magician_button_table),
};

static struct platform_device gpio_keys = {
      .name = "gpio-keys",
      .dev  = {
            .platform_data = &gpio_keys_data,
      },
      .id   = -1,
};


/*
 * EGPIO (Xilinx CPLD)
 *
 * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input
 */

static struct resource egpio_resources[] = {
      [0] = {
            .start = PXA_CS3_PHYS,
            .end   = PXA_CS3_PHYS + 0x20 - 1,
            .flags = IORESOURCE_MEM,
      },
      [1] = {
            .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
            .end   = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
            .flags = IORESOURCE_IRQ,
      },
};

static struct htc_egpio_chip egpio_chips[] = {
      [0] = {
            .reg_start = 0,
            .gpio_base = MAGICIAN_EGPIO(0, 0),
            .num_gpios = 24,
            .direction = HTC_EGPIO_OUTPUT,
            .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
      },
      [1] = {
            .reg_start = 4,
            .gpio_base = MAGICIAN_EGPIO(4, 0),
            .num_gpios = 24,
            .direction = HTC_EGPIO_INPUT,
      },
};

static struct htc_egpio_platform_data egpio_info = {
      .reg_width    = 8,
      .bus_width    = 32,
      .irq_base     = IRQ_BOARD_START,
      .num_irqs     = 4,
      .ack_register = 3,
      .chip         = egpio_chips,
      .num_chips    = ARRAY_SIZE(egpio_chips),
};

static struct platform_device egpio = {
      .name          = "htc-egpio",
      .id            = -1,
      .resource      = egpio_resources,
      .num_resources = ARRAY_SIZE(egpio_resources),
      .dev = {
            .platform_data = &egpio_info,
      },
};

/*
 * LCD - Toppoly TD028STEB1 or Samsung LTP280QV
 */

static struct pxafb_mode_info toppoly_modes[] = {
      {
            .pixclock     = 96153,
            .bpp          = 16,
            .xres         = 240,
            .yres         = 320,
            .hsync_len    = 11,
            .vsync_len    = 3,
            .left_margin  = 19,
            .upper_margin = 2,
            .right_margin = 10,
            .lower_margin = 2,
            .sync         = 0,
      },
};

static struct pxafb_mode_info samsung_modes[] = {
      {
            .pixclock     = 96153,
            .bpp          = 16,
            .xres         = 240,
            .yres         = 320,
            .hsync_len    = 8,
            .vsync_len    = 4,
            .left_margin  = 9,
            .upper_margin = 4,
            .right_margin = 9,
            .lower_margin = 4,
            .sync         = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
      },
};

static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
{
      pr_debug("Toppoly LCD power\n");

      if (on) {
            pr_debug("on\n");
            gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
            udelay(2000);
            gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
            udelay(2000);
            /* FIXME: enable LCDC here */
            udelay(2000);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
            udelay(2000);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
      } else {
            pr_debug("off\n");
            msleep(15);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            udelay(500);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            udelay(1000);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
      }
}

static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
{
      pr_debug("Samsung LCD power\n");

      if (on) {
            pr_debug("on\n");
            if (system_rev < 3)
                  gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
            else
                  gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
            mdelay(10);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
            mdelay(10);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
            mdelay(30);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
            mdelay(10);
      } else {
            pr_debug("off\n");
            mdelay(10);
            gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            mdelay(30);
            gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            mdelay(10);
            gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            mdelay(10);
            if (system_rev < 3)
                  gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
            else
                  gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
      }
}

static struct pxafb_mach_info toppoly_info = {
      .modes           = toppoly_modes,
      .num_modes       = 1,
      .fixed_modes     = 1,
      .lcd_conn   = LCD_COLOR_TFT_16BPP,
      .pxafb_lcd_power = toppoly_lcd_power,
};

static struct pxafb_mach_info samsung_info = {
      .modes           = samsung_modes,
      .num_modes       = 1,
      .fixed_modes     = 1,
      .lcd_conn    = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL |\
                     LCD_ALTERNATE_MAPPING,
      .pxafb_lcd_power = samsung_lcd_power,
};

/*
 * Backlight
 */

static int magician_backlight_init(struct device *dev)
{
      int ret;

      ret = gpio_request(EGPIO_MAGICIAN_BL_POWER, "BL_POWER");
      if (ret)
            goto err;
      ret = gpio_request(EGPIO_MAGICIAN_BL_POWER2, "BL_POWER2");
      if (ret)
            goto err2;
      return 0;

err2:
      gpio_free(EGPIO_MAGICIAN_BL_POWER);
err:
      return ret;
}

static int magician_backlight_notify(int brightness)
{
      gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
      if (brightness >= 200) {
            gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
            return brightness - 72;
      } else {
            gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
            return brightness;
      }
}

static void magician_backlight_exit(struct device *dev)
{
      gpio_free(EGPIO_MAGICIAN_BL_POWER);
      gpio_free(EGPIO_MAGICIAN_BL_POWER2);
}

static struct platform_pwm_backlight_data backlight_data = {
      .pwm_id         = 0,
      .max_brightness = 272,
      .dft_brightness = 100,
      .pwm_period_ns  = 30923,
      .init           = magician_backlight_init,
      .notify         = magician_backlight_notify,
      .exit           = magician_backlight_exit,
};

static struct platform_device backlight = {
      .name = "pwm-backlight",
      .id   = -1,
      .dev  = {
            .parent        = &pxa27x_device_pwm0.dev,
            .platform_data = &backlight_data,
      },
};

/*
 * LEDs
 */

static struct gpio_led gpio_leds[] = {
      {
            .name = "magician::vibra",
            .default_trigger = "none",
            .gpio = GPIO22_MAGICIAN_VIBRA_EN,
      },
      {
            .name = "magician::phone_bl",
            .default_trigger = "backlight",
            .gpio = GPIO103_MAGICIAN_LED_KP,
      },
};

static struct gpio_led_platform_data gpio_led_info = {
      .leds = gpio_leds,
      .num_leds = ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
      .name = "leds-gpio",
      .id   = -1,
      .dev  = {
            .platform_data = &gpio_led_info,
      },
};

static struct pasic3_led pasic3_leds[] = {
      {
            .led = {
                  .name            = "magician:red",
                  .default_trigger = "ds2760-battery.0-charging",
            },
            .hw_num = 0,
            .bit2   = PASIC3_BIT2_LED0,
            .mask   = PASIC3_MASK_LED0,
      },
      {
            .led = {
                  .name            = "magician:green",
                  .default_trigger = "ds2760-battery.0-charging-or-full",
            },
            .hw_num = 1,
            .bit2   = PASIC3_BIT2_LED1,
            .mask   = PASIC3_MASK_LED1,
      },
      {
            .led = {
                  .name            = "magician:blue",
                  .default_trigger = "bluetooth",
            },
            .hw_num = 2,
            .bit2   = PASIC3_BIT2_LED2,
            .mask   = PASIC3_MASK_LED2,
      },
};

static struct pasic3_leds_machinfo pasic3_leds_info = {
      .num_leds   = ARRAY_SIZE(pasic3_leds),
      .power_gpio = EGPIO_MAGICIAN_LED_POWER,
      .leds       = pasic3_leds,
};

/*
 * PASIC3 with DS1WM
 */

static struct resource pasic3_resources[] = {
      [0] = {
            .start  = PXA_CS2_PHYS,
            .end  = PXA_CS2_PHYS + 0x1b,
            .flags  = IORESOURCE_MEM,
      },
      /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
      [1] = {
            .start  = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
            .end    = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
            .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
      }
};

static struct pasic3_platform_data pasic3_platform_data = {
      .led_pdata  = &pasic3_leds_info,
      .clock_rate = 4000000,
};

static struct platform_device pasic3 = {
      .name       = "pasic3",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(pasic3_resources),
      .resource   = pasic3_resources,
      .dev = {
            .platform_data = &pasic3_platform_data,
      },
};

/*
 * USB "Transceiver"
 */

static struct resource gpio_vbus_resource = {
      .flags = IORESOURCE_IRQ,
      .start = IRQ_MAGICIAN_VBUS,
      .end   = IRQ_MAGICIAN_VBUS,
};

static struct gpio_vbus_mach_info gpio_vbus_info = {
      .gpio_pullup = GPIO27_MAGICIAN_USBC_PUEN,
      .gpio_vbus   = EGPIO_MAGICIAN_CABLE_STATE_USB,
};

static struct platform_device gpio_vbus = {
      .name          = "gpio-vbus",
      .id            = -1,
      .num_resources = 1,
      .resource      = &gpio_vbus_resource,
      .dev = {
            .platform_data = &gpio_vbus_info,
      },
};

/*
 * External power
 */

static int power_supply_init(struct device *dev)
{
      return gpio_request(EGPIO_MAGICIAN_CABLE_STATE_AC, "CABLE_STATE_AC");
}

static int magician_is_ac_online(void)
{
      return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
}

static void power_supply_exit(struct device *dev)
{
      gpio_free(EGPIO_MAGICIAN_CABLE_STATE_AC);
}

static char *magician_supplicants[] = {
      "ds2760-battery.0", "backup-battery"
};

static struct pda_power_pdata power_supply_info = {
      .init            = power_supply_init,
      .is_ac_online    = magician_is_ac_online,
      .exit            = power_supply_exit,
      .supplied_to     = magician_supplicants,
      .num_supplicants = ARRAY_SIZE(magician_supplicants),
};

static struct resource power_supply_resources[] = {
      [0] = {
            .name  = "ac",
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                     IORESOURCE_IRQ_LOWEDGE,
            .start = IRQ_MAGICIAN_VBUS,
            .end   = IRQ_MAGICIAN_VBUS,
      },
      [1] = {
            .name  = "usb",
            .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
                     IORESOURCE_IRQ_LOWEDGE,
            .start = IRQ_MAGICIAN_VBUS,
            .end   = IRQ_MAGICIAN_VBUS,
      },
};

static struct platform_device power_supply = {
      .name = "pda-power",
      .id   = -1,
      .dev  = {
            .platform_data = &power_supply_info,
      },
      .resource      = power_supply_resources,
      .num_resources = ARRAY_SIZE(power_supply_resources),
};

/*
 * Battery charger
 */

static struct regulator_consumer_supply bq24022_consumers[] = {
      {
            .dev = &gpio_vbus.dev,
            .supply = "vbus_draw",
      },
      {
            .dev = &power_supply.dev,
            .supply = "ac_draw",
      },
};

static struct regulator_init_data bq24022_init_data = {
      .constraints = {
            .max_uA         = 500000,
            .valid_ops_mask = REGULATOR_CHANGE_CURRENT,
      },
      .num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
      .consumer_supplies      = bq24022_consumers,
};

static struct bq24022_mach_info bq24022_info = {
      .gpio_nce   = GPIO30_MAGICIAN_BQ24022_nCHARGE_EN,
      .gpio_iset2 = EGPIO_MAGICIAN_BQ24022_ISET2,
      .init_data  = &bq24022_init_data,
};

static struct platform_device bq24022 = {
      .name = "bq24022",
      .id   = -1,
      .dev  = {
            .platform_data = &bq24022_info,
      },
};

/*
 * MMC/SD
 */

static int magician_mci_init(struct device *dev,
                        irq_handler_t detect_irq, void *data)
{
      return request_irq(IRQ_MAGICIAN_SD, detect_irq,
                        IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                        "mmc card detect", data);
}

static void magician_mci_exit(struct device *dev, void *data)
{
      free_irq(IRQ_MAGICIAN_SD, data);
}

static struct pxamci_platform_data magician_mci_info = {
      .ocr_mask         = MMC_VDD_32_33|MMC_VDD_33_34,
      .init             = magician_mci_init,
      .exit             = magician_mci_exit,
      .gpio_card_detect = -1,
      .gpio_card_ro           = EGPIO_MAGICIAN_nSD_READONLY,
      .gpio_card_ro_invert    = 1,
      .gpio_power       = EGPIO_MAGICIAN_SD_POWER,
};


/*
 * USB OHCI
 */

static struct pxaohci_platform_data magician_ohci_info = {
      .port_mode  = PMM_PERPORT_MODE,
      .flags            = ENABLE_PORT1 | ENABLE_PORT3 | POWER_CONTROL_LOW,
      .power_budget     = 0,
};


/*
 * StrataFlash
 */

static void magician_set_vpp(struct map_info *map, int vpp)
{
      gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
}

static struct resource strataflash_resource = {
      .start = PXA_CS0_PHYS,
      .end   = PXA_CS0_PHYS + SZ_64M - 1,
      .flags = IORESOURCE_MEM,
};

static struct physmap_flash_data strataflash_data = {
      .width = 4,
      .set_vpp = magician_set_vpp,
};

static struct platform_device strataflash = {
      .name          = "physmap-flash",
      .id            = -1,
      .resource      = &strataflash_resource,
      .num_resources = 1,
      .dev = {
            .platform_data = &strataflash_data,
      },
};

/*
 * I2C
 */

static struct i2c_pxa_platform_data i2c_info = {
      .fast_mode = 1,
};

/*
 * Platform devices
 */

static struct platform_device *devices[] __initdata = {
      &gpio_keys,
      &egpio,
      &backlight,
      &pasic3,
      &bq24022,
      &gpio_vbus,
      &power_supply,
      &strataflash,
      &leds_gpio,
};

static void __init magician_init(void)
{
      void __iomem *cpld;
      int lcd_select;
      int err;

      gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");
      gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");

      pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));

      platform_add_devices(ARRAY_AND_SIZE(devices));

      err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");
      if (!err) {
            gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);
            pxa_set_ficp_info(&magician_ficp_info);
      }
      pxa27x_set_i2c_power_info(NULL);
      pxa_set_i2c_info(&i2c_info);
      pxa_set_mci_info(&magician_mci_info);
      pxa_set_ohci_info(&magician_ohci_info);

      /* Check LCD type we have */
      cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
      if (cpld) {
            u8 board_id = __raw_readb(cpld+0x14);
            iounmap(cpld);
            system_rev = board_id & 0x7;
            lcd_select = board_id & 0x8;
            pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
            if (lcd_select && (system_rev < 3)) {
                  gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");
                  gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
            }
            gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");
            gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");
            gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");
            gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);
            gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);
            gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);
            set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
      } else
            pr_err("LCD detection: CPLD mapping failed\n");
}


MACHINE_START(MAGICIAN, "HTC Magician")
      .phys_io = 0x40000000,
      .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .boot_params = 0xa0000100,
      .map_io = pxa_map_io,
      .init_irq = pxa27x_init_irq,
      .init_machine = magician_init,
      .timer = &pxa_timer,
MACHINE_END

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