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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 //#include <asm/debug-ll.h>
  50 #include <asm/arch/regs-serial.h>
  51 #include <asm/arch/regs-lcd.h>
  52
  53 #include <asm/arch/fb.h>
  54
  55 #include <linux/serial_core.h>
  56
  57 #include "clock.h"
  58 #include "devs.h"
  59 #include "cpu.h"
  60
  61 static struct map_desc h1940_iodesc[] __initdata = {
  62         /* nothing here yet */
  63 };
  64
  65 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  66 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  67 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  68
  69 static struct s3c2410_uartcfg h1940_uartcfgs[] = {
  70         [0] = {
  71                 .hwport      = 0,
  72                 .flags       = 0,
  73                 .ucon        = 0x3c5,
  74                 .ulcon       = 0x03,
  75                 .ufcon       = 0x51,
  76         },
  77         [1] = {
  78                 .hwport      = 1,
  79                 .flags       = 0,
  80                 .ucon        = 0x245,
  81                 .ulcon       = 0x03,
  82                 .ufcon       = 0x00,
  83         },
  84         /* IR port */
  85         [2] = {
  86                 .hwport      = 2,
  87                 .flags       = 0,
  88                 .uart_flags  = UPF_CONS_FLOW,
  89                 .ucon        = 0x3c5,
  90                 .ulcon       = 0x43,
  91                 .ufcon       = 0x51,
  92         }
  93 };
  94
  95
  96
  97 /**
  98  * Set lcd on or off
  99  **/
 100 static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
 101         .fixed_syncs=           1,
 102         .regs={
 103                 .lcdcon1=       S3C2410_LCDCON1_TFT16BPP | \
 104                                 S3C2410_LCDCON1_TFT | \
 105                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 106
 107                 .lcdcon2=       S3C2410_LCDCON2_VBPD(7) | \
 108                                 S3C2410_LCDCON2_LINEVAL(319) | \
 109                                 S3C2410_LCDCON2_VFPD(6) | \
 110                                 S3C2410_LCDCON2_VSPW(0),
 111
 112                 .lcdcon3=       S3C2410_LCDCON3_HBPD(19) | \
 113                                 S3C2410_LCDCON3_HOZVAL(239) | \
 114                                 S3C2410_LCDCON3_HFPD(7),
 115
 116                 .lcdcon4=       S3C2410_LCDCON4_MVAL(0) | \
 117                                 S3C2410_LCDCON4_HSPW(3),
 118
 119                 .lcdcon5=       S3C2410_LCDCON5_FRM565 | \
 120                                 S3C2410_LCDCON5_INVVLINE | \
 121                                 S3C2410_LCDCON5_HWSWP,
 122         },
 123         .lpcsel=        0x02,
 124         .gpccon=        0xaa940659,
 125         .gpccon_mask=   0xffffffff,
 126         .gpcup=         0x0000ffff,
 127         .gpcup_mask=    0xffffffff,
 128         .gpdcon=        0xaa84aaa0,
 129         .gpdcon_mask=   0xffffffff,
 130         .gpdup=         0x0000faff,
 131         .gpdup_mask=    0xffffffff,
 132
 133         .width=         240,
 134         .height=        320,
 135         .xres=          {240,240,240},
 136         .yres=          {320,320,320},
 137         .bpp=           {16,16,16},
 138 };
 139
 140 static struct platform_device *h1940_devices[] __initdata = {
 141         &s3c_device_usb,
 142         &s3c_device_lcd,
 143         &s3c_device_wdt,
 144         &s3c_device_i2c,
 145         &s3c_device_iis,
 146 };
 147
 148 static struct s3c24xx_board h1940_board __initdata = {
 149         .devices       = h1940_devices,
 150         .devices_count = ARRAY_SIZE(h1940_devices)
 151 };
 152
 153 static void __init h1940_map_io(void)
 154 {
 155         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 156         s3c24xx_init_clocks(0);
 157         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 158         s3c24xx_set_board(&h1940_board);
 159 }
 160
 161 static void __init h1940_init_irq(void)
 162 {
 163         s3c24xx_init_irq();
 164
 165 }
 166
 167 static void __init h1940_init(void)
 168 {
 169         s3c24xx_fb_set_platdata(&h1940_lcdcfg);
 170 }
 171
 172 MACHINE_START(H1940, "IPAQ-H1940")
 173         /* Maintainer: Ben Dooks <ben@fluff.org> */
 174         .phys_ram       = S3C2410_SDRAM_PA,
 175         .phys_io        = S3C2410_PA_UART,
 176         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 177         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 178         .map_io         = h1940_map_io,
 179         .init_irq       = h1940_init_irq,
 180         .init_machine   = h1940_init,
 181         .timer          = &s3c24xx_timer,
 182 MACHINE_END