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   1 /* linux/arch/arm/mach-s3c2410/mach-h1940.c
   2  *
   3  * Copyright (c) 2003-2005 Simtec Electronics
   4  *   Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.handhelds.org/projects/h1940.html
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/list.h>
  18 #include <linux/timer.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/irq.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/hardware/iomd.h>
  28 #include <asm/io.h>
  29 #include <asm/irq.h>
  30 #include <asm/mach-types.h>
  31
  32
  33 #include <asm/arch/regs-serial.h>
  34 #include <asm/arch/regs-lcd.h>
  35
  36 #include <asm/arch/h1940-latch.h>
  37 #include <asm/arch/fb.h>
  38
  39 #include <linux/serial_core.h>
  40
  41 #include "clock.h"
  42 #include "devs.h"
  43 #include "cpu.h"
  44
  45 static struct map_desc h1940_iodesc[] __initdata = {
  46         [0] = {
  47                 .virtual        = (unsigned long)H1940_LATCH,
  48                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
  49                 .length         = SZ_16K,
  50                 .type           = MT_DEVICE
  51         },
  52 };
  53
  54 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  55 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  56 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  57
  58 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
  59         [0] = {
  60                 .hwport      = 0,
  61                 .flags       = 0,
  62                 .ucon        = 0x3c5,
  63                 .ulcon       = 0x03,
  64                 .ufcon       = 0x51,
  65         },
  66         [1] = {
  67                 .hwport      = 1,
  68                 .flags       = 0,
  69                 .ucon        = 0x245,
  70                 .ulcon       = 0x03,
  71                 .ufcon       = 0x00,
  72         },
  73         /* IR port */
  74         [2] = {
  75                 .hwport      = 2,
  76                 .flags       = 0,
  77                 .uart_flags  = UPF_CONS_FLOW,
  78                 .ucon        = 0x3c5,
  79                 .ulcon       = 0x43,
  80                 .ufcon       = 0x51,
  81         }
  82 };
  83
  84 /* Board control latch control */
  85
  86 static unsigned int latch_state = H1940_LATCH_DEFAULT;
  87
  88 void h1940_latch_control(unsigned int clear, unsigned int set)
  89 {
  90         unsigned long flags;
  91
  92         local_irq_save(flags);
  93
  94         latch_state &= ~clear;
  95         latch_state |= set;
  96
  97         __raw_writel(latch_state, H1940_LATCH);
  98
  99         local_irq_restore(flags);
 100 }
 101
 102 EXPORT_SYMBOL_GPL(h1940_latch_control);
 103
 104
 105 /**
 106  * Set lcd on or off
 107  **/
 108 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
 109         .fixed_syncs=           1,
 110         .regs={
 111                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
 112                                 S3C2410_LCDCON1_TFT | \
 113                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 114
 115                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
 116                                 S3C2410_LCDCON2_LINEVAL(319) | \
 117                                 S3C2410_LCDCON2_VFPD(6) | \
 118                                 S3C2410_LCDCON2_VSPW(0),
 119
 120                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
 121                                 S3C2410_LCDCON3_HOZVAL(239) | \
 122                                 S3C2410_LCDCON3_HFPD(7),
 123
 124                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
 125                                 S3C2410_LCDCON4_HSPW(3),
 126
 127                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 128                                 S3C2410_LCDCON5_INVVLINE | \
 129                                 S3C2410_LCDCON5_HWSWP,
 130         },
 131         .lpcsel=        0x02,
 132         .gpccon=        0xaa940659,
 133         .gpccon_mask=   0xffffffff,
 134         .gpcup=         0x0000ffff,
 135         .gpcup_mask=    0xffffffff,
 136         .gpdcon=        0xaa84aaa0,
 137         .gpdcon_mask=   0xffffffff,
 138         .gpdup=         0x0000faff,
 139         .gpdup_mask=    0xffffffff,
 140
 141         .width=         240,
 142         .height=        320,
 143         .xres=          {240,240,240},
 144         .yres=          {320,320,320},
 145         .bpp=           {16,16,16},
 146 };
 147
 148 static struct platform_device *h1940_devices[] __initdata = {
 149         &s3c_device_usb,
 150         &s3c_device_lcd,
 151         &s3c_device_wdt,
 152         &s3c_device_i2c,
 153         &s3c_device_iis,
 154 };
 155
 156 static struct s3c24xx_board h1940_board __initdata = {
 157         .devices       = h1940_devices,
 158         .devices_count = ARRAY_SIZE(h1940_devices)
 159 };
 160
 161 static void __init h1940_map_io(void)
 162 {
 163         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 164         s3c24xx_init_clocks(0);
 165         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 166         s3c24xx_set_board(&h1940_board);
 167 }
 168
 169 static void __init h1940_init_irq(void)
 170 {
 171         s3c24xx_init_irq();
 172
 173 }
 174
 175 static void __init h1940_init(void)
 176 {
 177         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
 178 }
 179
 180 MACHINE_START(H1940, "IPAQ-H1940")
 181         /* Maintainer: Ben Dooks <ben@fluff.org> */
 182         .phys_io        = S3C2410_PA_UART,
 183         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 184         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 185         .map_io         = h1940_map_io,
 186         .init_irq       = h1940_init_irq,
 187         .init_machine   = h1940_init,
 188         .timer          = &s3c24xx_timer,
 189 MACHINE_END