git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-s3c2410/mach-smdk2440.c

   1 /* linux/arch/arm/mach-s3c2410/mach-smdk2440.c
   2  *
   3  * Copyright (c) 2004,2005 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.fluff.org/ben/smdk2440/
   7  *
   8  * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  * Modifications:
  15  *      01-Nov-2004 BJD   Initial version
  16  *      12-Nov-2004 BJD   Updated for release
  17  *      04-Jan-2005 BJD   Fixes for pre-release
  18  *      22-Feb-2005 BJD   Updated for 2.6.11-rc5 relesa
  19  *      10-Mar-2005 LCVR  Replaced S3C2410_VA by S3C24XX_VA
  20  *      14-Mar-2005 BJD   void __iomem fixes
  21  *      20-Sep-2005 BJD   Added static to non-exported items
  22  *      26-Oct-2005 BJD   Added framebuffer data
  23 */
  24
  25 #include <linux/kernel.h>
  26 #include <linux/types.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/list.h>
  29 #include <linux/timer.h>
  30 #include <linux/init.h>
  31
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/mach/irq.h>
  35
  36 #include <asm/hardware.h>
  37 #include <asm/hardware/iomd.h>
  38 #include <asm/io.h>
  39 #include <asm/irq.h>
  40 #include <asm/mach-types.h>
  41
  42 //#include <asm/debug-ll.h>
  43 #include <asm/arch/regs-serial.h>
  44 #include <asm/arch/regs-gpio.h>
  45 #include <asm/arch/regs-lcd.h>
  46
  47 #include <asm/arch/idle.h>
  48 #include <asm/arch/fb.h>
  49
  50 #include "s3c2410.h"
  51 #include "s3c2440.h"
  52 #include "clock.h"
  53 #include "devs.h"
  54 #include "cpu.h"
  55 #include "pm.h"
  56
  57 static struct map_desc smdk2440_iodesc[] __initdata = {
  58         /* ISA IO Space map (memory space selected by A24) */
  59
  60         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
  61         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
  62 };
  63
  64 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  65 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  66 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  67
  68 static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
  69         [0] = {
  70                 .hwport      = 0,
  71                 .flags       = 0,
  72                 .ucon        = 0x3c5,
  73                 .ulcon       = 0x03,
  74                 .ufcon       = 0x51,
  75         },
  76         [1] = {
  77                 .hwport      = 1,
  78                 .flags       = 0,
  79                 .ucon        = 0x3c5,
  80                 .ulcon       = 0x03,
  81                 .ufcon       = 0x51,
  82         },
  83         /* IR port */
  84         [2] = {
  85                 .hwport      = 2,
  86                 .flags       = 0,
  87                 .ucon        = 0x3c5,
  88                 .ulcon       = 0x43,
  89                 .ufcon       = 0x51,
  90         }
  91 };
  92
  93 /* LCD driver info */
  94
  95 static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
  96         .regs   = {
  97
  98                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
  99                                   S3C2410_LCDCON1_TFT |
 100                                   S3C2410_LCDCON1_CLKVAL(0x04),
 101
 102                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 103                                   S3C2410_LCDCON2_LINEVAL(319) |
 104                                   S3C2410_LCDCON2_VFPD(6) |
 105                                   S3C2410_LCDCON2_VSPW(3),
 106
 107                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 108                                   S3C2410_LCDCON3_HOZVAL(239) |
 109                                   S3C2410_LCDCON3_HFPD(7),
 110
 111                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 112                                   S3C2410_LCDCON4_HSPW(3),
 113
 114                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 115                                   S3C2410_LCDCON5_INVVLINE |
 116                                   S3C2410_LCDCON5_INVVFRAME |
 117                                   S3C2410_LCDCON5_PWREN |
 118                                   S3C2410_LCDCON5_HWSWP,
 119         },
 120
 121 #if 0
 122         /* currently setup by downloader */
 123         .gpccon         = 0xaa940659,
 124         .gpccon_mask    = 0xffffffff,
 125         .gpcup          = 0x0000ffff,
 126         .gpcup_mask     = 0xffffffff,
 127         .gpdcon         = 0xaa84aaa0,
 128         .gpdcon_mask    = 0xffffffff,
 129         .gpdup          = 0x0000faff,
 130         .gpdup_mask     = 0xffffffff,
 131 #endif
 132
 133         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 134
 135         .width          = 240,
 136         .height         = 320,
 137
 138         .xres           = {
 139                 .min    = 240,
 140                 .max    = 240,
 141                 .defval = 240,
 142         },
 143
 144         .yres           = {
 145                 .min    = 320,
 146                 .max    = 320,
 147                 .defval = 320,
 148         },
 149
 150         .bpp            = {
 151                 .min    = 16,
 152                 .max    = 16,
 153                 .defval = 16,
 154         },
 155 };
 156
 157 static struct platform_device *smdk2440_devices[] __initdata = {
 158         &s3c_device_usb,
 159         &s3c_device_lcd,
 160         &s3c_device_wdt,
 161         &s3c_device_i2c,
 162         &s3c_device_iis,
 163 };
 164
 165 static struct s3c24xx_board smdk2440_board __initdata = {
 166         .devices       = smdk2440_devices,
 167         .devices_count = ARRAY_SIZE(smdk2440_devices)
 168 };
 169
 170 static void __init smdk2440_map_io(void)
 171 {
 172         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 173         s3c24xx_init_clocks(16934400);
 174         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 175         s3c24xx_set_board(&smdk2440_board);
 176 }
 177
 178 static void __init smdk2440_machine_init(void)
 179 {
 180         /* Configure the LEDs (even if we have no LED support)*/
 181
 182         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
 183         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
 184         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
 185         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
 186
 187         s3c2410_gpio_setpin(S3C2410_GPF4, 0);
 188         s3c2410_gpio_setpin(S3C2410_GPF5, 0);
 189         s3c2410_gpio_setpin(S3C2410_GPF6, 0);
 190         s3c2410_gpio_setpin(S3C2410_GPF7, 0);
 191
 192         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 193
 194         s3c2410_pm_init();
 195 }
 196
 197 MACHINE_START(S3C2440, "SMDK2440")
 198         /* Maintainer: Ben Dooks <ben@fluff.org> */
 199         .phys_ram       = S3C2410_SDRAM_PA,
 200         .phys_io        = S3C2410_PA_UART,
 201         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 202         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 203
 204         .init_irq       = s3c24xx_init_irq,
 205         .map_io         = smdk2440_map_io,
 206         .init_machine   = smdk2440_machine_init,
 207         .timer          = &s3c24xx_timer,
 208 MACHINE_END