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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.h>
  37 #include <asm/arch/h1940-latch.h>
  38 #include <asm/arch/fb.h>
  39
  40 #include <linux/serial_core.h>
  41
  42 #include "clock.h"
  43 #include "devs.h"
  44 #include "cpu.h"
  45 #include "pm.h"
  46
  47 static struct map_desc h1940_iodesc[] __initdata = {
  48         [0] = {
  49                 .virtual        = (unsigned long)H1940_LATCH,
  50                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
  51                 .length         = SZ_16K,
  52                 .type           = MT_DEVICE
  53         },
  54 };
  55
  56 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  59
  60 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport      = 0,
  63                 .flags       = 0,
  64                 .ucon        = 0x3c5,
  65                 .ulcon       = 0x03,
  66                 .ufcon       = 0x51,
  67         },
  68         [1] = {
  69                 .hwport      = 1,
  70                 .flags       = 0,
  71                 .ucon        = 0x245,
  72                 .ulcon       = 0x03,
  73                 .ufcon       = 0x00,
  74         },
  75         /* IR port */
  76         [2] = {
  77                 .hwport      = 2,
  78                 .flags       = 0,
  79                 .uart_flags  = UPF_CONS_FLOW,
  80                 .ucon        = 0x3c5,
  81                 .ulcon       = 0x43,
  82                 .ufcon       = 0x51,
  83         }
  84 };
  85
  86 /* Board control latch control */
  87
  88 static unsigned int latch_state = H1940_LATCH_DEFAULT;
  89
  90 void h1940_latch_control(unsigned int clear, unsigned int set)
  91 {
  92         unsigned long flags;
  93
  94         local_irq_save(flags);
  95
  96         latch_state &= ~clear;
  97         latch_state |= set;
  98
  99         __raw_writel(latch_state, H1940_LATCH);
 100
 101         local_irq_restore(flags);
 102 }
 103
 104 EXPORT_SYMBOL_GPL(h1940_latch_control);
 105
 106
 107 /**
 108  * Set lcd on or off
 109  **/
 110 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
 111         .fixed_syncs=           1,
 112         .regs={
 113                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
 114                                 S3C2410_LCDCON1_TFT | \
 115                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 116
 117                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
 118                                 S3C2410_LCDCON2_LINEVAL(319) | \
 119                                 S3C2410_LCDCON2_VFPD(6) | \
 120                                 S3C2410_LCDCON2_VSPW(0),
 121
 122                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
 123                                 S3C2410_LCDCON3_HOZVAL(239) | \
 124                                 S3C2410_LCDCON3_HFPD(7),
 125
 126                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
 127                                 S3C2410_LCDCON4_HSPW(3),
 128
 129                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 130                                 S3C2410_LCDCON5_INVVLINE | \
 131                                 S3C2410_LCDCON5_HWSWP,
 132         },
 133         .lpcsel=        0x02,
 134         .gpccon=        0xaa940659,
 135         .gpccon_mask=   0xffffffff,
 136         .gpcup=         0x0000ffff,
 137         .gpcup_mask=    0xffffffff,
 138         .gpdcon=        0xaa84aaa0,
 139         .gpdcon_mask=   0xffffffff,
 140         .gpdup=         0x0000faff,
 141         .gpdup_mask=    0xffffffff,
 142
 143         .width=         240,
 144         .height=        320,
 145         .xres=          {240,240,240},
 146         .yres=          {320,320,320},
 147         .bpp=           {16,16,16},
 148 };
 149
 150 static struct platform_device *h1940_devices[] __initdata = {
 151         &s3c_device_usb,
 152         &s3c_device_lcd,
 153         &s3c_device_wdt,
 154         &s3c_device_i2c,
 155         &s3c_device_iis,
 156 };
 157
 158 static struct s3c24xx_board h1940_board __initdata = {
 159         .devices       = h1940_devices,
 160         .devices_count = ARRAY_SIZE(h1940_devices)
 161 };
 162
 163 static void __init h1940_map_io(void)
 164 {
 165         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 166         s3c24xx_init_clocks(0);
 167         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 168         s3c24xx_set_board(&h1940_board);
 169
 170         /* setup PM */
 171
 172         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
 173         s3c2410_pm_init();
 174 }
 175
 176 static void __init h1940_init_irq(void)
 177 {
 178         s3c24xx_init_irq();
 179 }
 180
 181 static void __init h1940_init(void)
 182 {
 183         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
 184 }
 185
 186 MACHINE_START(H1940, "IPAQ-H1940")
 187         /* Maintainer: Ben Dooks <ben@fluff.org> */
 188         .phys_io        = S3C2410_PA_UART,
 189         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 190         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 191         .map_io         = h1940_map_io,
 192         .init_irq       = h1940_init_irq,
 193         .init_machine   = h1940_init,
 194         .timer          = &s3c24xx_timer,
 195 MACHINE_END