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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  * Modifications:
  13  *     16-May-2003 BJD  Created initial version
  14  *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
  15  *     05-Sep-2003 BJD  Moved to v2.6 kernel
  16  *     06-Jan-2003 BJD  Updates for <arch/map.h>
  17  *     18-Jan-2003 BJD  Added serial port configuration
  18  *     17-Feb-2003 BJD  Copied to mach-ipaq.c
  19  *     21-Aug-2004 BJD  Added struct s3c2410_board
  20  *     04-Sep-2004 BJD  Changed uart init, renamed ipaq_ -> h1940_
  21  *     18-Oct-2004 BJD  Updated new board structure name
  22  *     04-Nov-2004 BJD  Change for new serial clock
  23  *     04-Jan-2005 BJD  Updated uart init call
  24  *     10-Jan-2005 BJD  Removed include of s3c2410.h
  25  *     14-Jan-2005 BJD  Added clock init
  26  *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
  27  *     20-Sep-2005 BJD  Added static to non-exported items
  28  *     26-Oct-2005 BJD  Changed name of fb init call
  29 */
  30
  31 #include <linux/kernel.h>
  32 #include <linux/types.h>
  33 #include <linux/interrupt.h>
  34 #include <linux/list.h>
  35 #include <linux/timer.h>
  36 #include <linux/init.h>
  37 #include <linux/platform_device.h>
  38
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41 #include <asm/mach/irq.h>
  42
  43 #include <asm/hardware.h>
  44 #include <asm/hardware/iomd.h>
  45 #include <asm/io.h>
  46 #include <asm/irq.h>
  47 #include <asm/mach-types.h>
  48
  49
  50 #include <asm/arch/regs-serial.h>
  51 #include <asm/arch/regs-lcd.h>
  52
  53 #include <asm/arch/h1940-latch.h>
  54 #include <asm/arch/fb.h>
  55
  56 #include <linux/serial_core.h>
  57
  58 #include "clock.h"
  59 #include "devs.h"
  60 #include "cpu.h"
  61
  62 static struct map_desc h1940_iodesc[] __initdata = {
  63         [0] = {
  64                 .virtual        = (unsigned long)H1940_LATCH,
  65                 .pfn            = __phys_to_pfn(H1940_PA_LATCH),
  66                 .length         = SZ_16K,
  67                 .type           = MT_DEVICE
  68         },
  69 };
  70
  71 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  72 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  73 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  74
  75 static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
  76         [0] = {
  77                 .hwport      = 0,
  78                 .flags       = 0,
  79                 .ucon        = 0x3c5,
  80                 .ulcon       = 0x03,
  81                 .ufcon       = 0x51,
  82         },
  83         [1] = {
  84                 .hwport      = 1,
  85                 .flags       = 0,
  86                 .ucon        = 0x245,
  87                 .ulcon       = 0x03,
  88                 .ufcon       = 0x00,
  89         },
  90         /* IR port */
  91         [2] = {
  92                 .hwport      = 2,
  93                 .flags       = 0,
  94                 .uart_flags  = UPF_CONS_FLOW,
  95                 .ucon        = 0x3c5,
  96                 .ulcon       = 0x43,
  97                 .ufcon       = 0x51,
  98         }
  99 };
 100
 101 /* Board control latch control */
 102
 103 static unsigned int latch_state = H1940_LATCH_DEFAULT;
 104
 105 void h1940_latch_control(unsigned int clear, unsigned int set)
 106 {
 107         unsigned long flags;
 108
 109         local_irq_save(flags);
 110
 111         latch_state &= ~clear;
 112         latch_state |= set;
 113
 114         __raw_writel(latch_state, H1940_LATCH);
 115
 116         local_irq_restore(flags);
 117 }
 118
 119 EXPORT_SYMBOL_GPL(h1940_latch_control);
 120
 121
 122 /**
 123  * Set lcd on or off
 124  **/
 125 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
 126         .fixed_syncs=           1,
 127         .regs={
 128                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
 129                                 S3C2410_LCDCON1_TFT | \
 130                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 131
 132                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
 133                                 S3C2410_LCDCON2_LINEVAL(319) | \
 134                                 S3C2410_LCDCON2_VFPD(6) | \
 135                                 S3C2410_LCDCON2_VSPW(0),
 136
 137                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
 138                                 S3C2410_LCDCON3_HOZVAL(239) | \
 139                                 S3C2410_LCDCON3_HFPD(7),
 140
 141                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
 142                                 S3C2410_LCDCON4_HSPW(3),
 143
 144                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 145                                 S3C2410_LCDCON5_INVVLINE | \
 146                                 S3C2410_LCDCON5_HWSWP,
 147         },
 148         .lpcsel=        0x02,
 149         .gpccon=        0xaa940659,
 150         .gpccon_mask=   0xffffffff,
 151         .gpcup=         0x0000ffff,
 152         .gpcup_mask=    0xffffffff,
 153         .gpdcon=        0xaa84aaa0,
 154         .gpdcon_mask=   0xffffffff,
 155         .gpdup=         0x0000faff,
 156         .gpdup_mask=    0xffffffff,
 157
 158         .width=         240,
 159         .height=        320,
 160         .xres=          {240,240,240},
 161         .yres=          {320,320,320},
 162         .bpp=           {16,16,16},
 163 };
 164
 165 static struct platform_device *h1940_devices[] __initdata = {
 166         &s3c_device_usb,
 167         &s3c_device_lcd,
 168         &s3c_device_wdt,
 169         &s3c_device_i2c,
 170         &s3c_device_iis,
 171 };
 172
 173 static struct s3c24xx_board h1940_board __initdata = {
 174         .devices       = h1940_devices,
 175         .devices_count = ARRAY_SIZE(h1940_devices)
 176 };
 177
 178 static void __init h1940_map_io(void)
 179 {
 180         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 181         s3c24xx_init_clocks(0);
 182         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 183         s3c24xx_set_board(&h1940_board);
 184 }
 185
 186 static void __init h1940_init_irq(void)
 187 {
 188         s3c24xx_init_irq();
 189
 190 }
 191
 192 static void __init h1940_init(void)
 193 {
 194         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
 195 }
 196
 197 MACHINE_START(H1940, "IPAQ-H1940")
 198         /* Maintainer: Ben Dooks <ben@fluff.org> */
 199         .phys_io        = S3C2410_PA_UART,
 200         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 201         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 202         .map_io         = h1940_map_io,
 203         .init_irq       = h1940_init_irq,
 204         .init_machine   = h1940_init,
 205         .timer          = &s3c24xx_timer,
 206 MACHINE_END