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mach-h1940.c

/* linux/arch/arm/mach-s3c2410/mach-h1940.c
 *
 * Copyright (c) 2003-2005 Simtec Electronics
 *   Ben Dooks <ben@simtec.co.uk>
 *
 * http://www.handhelds.org/projects/h1940.html
 *
 * 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/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>

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

#include <asm/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>


#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-lcd.h>

#include <asm/arch/h1940-latch.h>
#include <asm/arch/fb.h>

#include <linux/serial_core.h>

#include "clock.h"
#include "devs.h"
#include "cpu.h"

static struct map_desc h1940_iodesc[] __initdata = {
      [0] = {
            .virtual    = (unsigned long)H1940_LATCH,
            .pfn        = __phys_to_pfn(H1940_PA_LATCH),
            .length           = SZ_16K,
            .type       = MT_DEVICE
      },
};

#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
      [0] = {
            .hwport          = 0,
            .flags           = 0,
            .ucon      = 0x3c5,
            .ulcon           = 0x03,
            .ufcon           = 0x51,
      },
      [1] = {
            .hwport          = 1,
            .flags           = 0,
            .ucon      = 0x245,
            .ulcon           = 0x03,
            .ufcon           = 0x00,
      },
      /* IR port */
      [2] = {
            .hwport          = 2,
            .flags           = 0,
            .uart_flags  = UPF_CONS_FLOW,
            .ucon      = 0x3c5,
            .ulcon           = 0x43,
            .ufcon           = 0x51,
      }
};

/* Board control latch control */

static unsigned int latch_state = H1940_LATCH_DEFAULT;

void h1940_latch_control(unsigned int clear, unsigned int set)
{
      unsigned long flags;

      local_irq_save(flags);

      latch_state &= ~clear;
      latch_state |= set;

      __raw_writel(latch_state, H1940_LATCH);

      local_irq_restore(flags);
}

EXPORT_SYMBOL_GPL(h1940_latch_control);


/**
 * Set lcd on or off
 **/
static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
      .fixed_syncs=           1,
      .regs={
            .lcdcon1=   S3C2410_LCDCON1_TFT16BPP | \
                        S3C2410_LCDCON1_TFT | \
                        S3C2410_LCDCON1_CLKVAL(0x0C),

            .lcdcon2=   S3C2410_LCDCON2_VBPD(7) | \
                        S3C2410_LCDCON2_LINEVAL(319) | \
                        S3C2410_LCDCON2_VFPD(6) | \
                        S3C2410_LCDCON2_VSPW(0),

            .lcdcon3=   S3C2410_LCDCON3_HBPD(19) | \
                        S3C2410_LCDCON3_HOZVAL(239) | \
                        S3C2410_LCDCON3_HFPD(7),

            .lcdcon4=   S3C2410_LCDCON4_MVAL(0) | \
                        S3C2410_LCDCON4_HSPW(3),

            .lcdcon5=   S3C2410_LCDCON5_FRM565 | \
                        S3C2410_LCDCON5_INVVLINE | \
                        S3C2410_LCDCON5_HWSWP,
      },
      .lpcsel=    0x02,
      .gpccon=    0xaa940659,
      .gpccon_mask=     0xffffffff,
      .gpcup=           0x0000ffff,
      .gpcup_mask=      0xffffffff,
      .gpdcon=    0xaa84aaa0,
      .gpdcon_mask=     0xffffffff,
      .gpdup=           0x0000faff,
      .gpdup_mask=      0xffffffff,

      .width=           240,
      .height=    320,
      .xres=            {240,240,240},
      .yres=            {320,320,320},
      .bpp=       {16,16,16},
};

static struct platform_device *h1940_devices[] __initdata = {
      &s3c_device_usb,
      &s3c_device_lcd,
      &s3c_device_wdt,
      &s3c_device_i2c,
      &s3c_device_iis,
};

static struct s3c24xx_board h1940_board __initdata = {
      .devices       = h1940_devices,
      .devices_count = ARRAY_SIZE(h1940_devices)
};

static void __init h1940_map_io(void)
{
      s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
      s3c24xx_init_clocks(0);
      s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
      s3c24xx_set_board(&h1940_board);
}

static void __init h1940_init_irq(void)
{
      s3c24xx_init_irq();

}

static void __init h1940_init(void)
{
      s3c24xx_fb_set_platdata(&h1940_lcdcfg);
}

MACHINE_START(H1940, "IPAQ-H1940")
      /* Maintainer: Ben Dooks <ben@fluff.org> */
      .phys_io    = S3C2410_PA_UART,
      .io_pg_offst      = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
      .boot_params      = S3C2410_SDRAM_PA + 0x100,
      .map_io           = h1940_map_io,
      .init_irq   = h1940_init_irq,
      .init_machine   = h1940_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

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