arch/arm/mach-s3c24xx/mach-smdk2440.c

   1 /* linux/arch/arm/mach-s3c2440/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 */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/types.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/list.h>
  20 #include <linux/timer.h>
  21 #include <linux/init.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/io.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <mach/hardware.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <plat/regs-serial.h>
  35 #include <mach/regs-gpio.h>
  36 #include <mach/regs-lcd.h>
  37
  38 #include <mach/idle.h>
  39 #include <mach/fb.h>
  40 #include <linux/platform_data/i2c-s3c2410.h>
  41
  42 #include <plat/s3c2410.h>
  43 #include <plat/s3c244x.h>
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47
  48 #include <plat/common-smdk.h>
  49
  50 #include "common.h"
  51
  52 static struct map_desc smdk2440_iodesc[] __initdata = {
  53         /* ISA IO Space map (memory space selected by A24) */
  54
  55         {
  56                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  57                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  58                 .length         = 0x10000,
  59                 .type           = MT_DEVICE,
  60         }, {
  61                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  62                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  63                 .length         = SZ_4M,
  64                 .type           = MT_DEVICE,
  65         }, {
  66                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  67                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  68                 .length         = 0x10000,
  69                 .type           = MT_DEVICE,
  70         }, {
  71                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  72                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  73                 .length         = SZ_4M,
  74                 .type           = MT_DEVICE,
  75         }
  76 };
  77
  78 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  79 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  80 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  81
  82 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  83         [0] = {
  84                 .hwport      = 0,
  85                 .flags       = 0,
  86                 .ucon        = 0x3c5,
  87                 .ulcon       = 0x03,
  88                 .ufcon       = 0x51,
  89         },
  90         [1] = {
  91                 .hwport      = 1,
  92                 .flags       = 0,
  93                 .ucon        = 0x3c5,
  94                 .ulcon       = 0x03,
  95                 .ufcon       = 0x51,
  96         },
  97         /* IR port */
  98         [2] = {
  99                 .hwport      = 2,
 100                 .flags       = 0,
 101                 .ucon        = 0x3c5,
 102                 .ulcon       = 0x43,
 103                 .ufcon       = 0x51,
 104         }
 105 };
 106
 107 /* LCD driver info */
 108
 109 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
 110
 111         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 112                           S3C2410_LCDCON5_INVVLINE |
 113                           S3C2410_LCDCON5_INVVFRAME |
 114                           S3C2410_LCDCON5_PWREN |
 115                           S3C2410_LCDCON5_HWSWP,
 116
 117         .type           = S3C2410_LCDCON1_TFT,
 118
 119         .width          = 240,
 120         .height         = 320,
 121
 122         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 123         .xres           = 240,
 124         .yres           = 320,
 125         .bpp            = 16,
 126         .left_margin    = 20,
 127         .right_margin   = 8,
 128         .hsync_len      = 4,
 129         .upper_margin   = 8,
 130         .lower_margin   = 7,
 131         .vsync_len      = 4,
 132 };
 133
 134 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 135         .displays       = &smdk2440_lcd_cfg,
 136         .num_displays   = 1,
 137         .default_display = 0,
 138
 139 #if 0
 140         /* currently setup by downloader */
 141         .gpccon         = 0xaa940659,
 142         .gpccon_mask    = 0xffffffff,
 143         .gpcup          = 0x0000ffff,
 144         .gpcup_mask     = 0xffffffff,
 145         .gpdcon         = 0xaa84aaa0,
 146         .gpdcon_mask    = 0xffffffff,
 147         .gpdup          = 0x0000faff,
 148         .gpdup_mask     = 0xffffffff,
 149 #endif
 150
 151         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 152 };
 153
 154 static struct platform_device *smdk2440_devices[] __initdata = {
 155         &s3c_device_ohci,
 156         &s3c_device_lcd,
 157         &s3c_device_wdt,
 158         &s3c_device_i2c0,
 159         &s3c_device_iis,
 160 };
 161
 162 static void __init smdk2440_map_io(void)
 163 {
 164         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 165         s3c24xx_init_clocks(16934400);
 166         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 167 }
 168
 169 static void __init smdk2440_machine_init(void)
 170 {
 171         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 172         s3c_i2c0_set_platdata(NULL);
 173
 174         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 175         smdk_machine_init();
 176 }
 177
 178 MACHINE_START(S3C2440, "SMDK2440")
 179         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 180         .atag_offset    = 0x100,
 181
 182         .init_irq       = s3c24xx_init_irq,
 183         .map_io         = smdk2440_map_io,
 184         .init_machine   = smdk2440_machine_init,
 185         .init_time      = s3c24xx_timer_init,
 186         .restart        = s3c244x_restart,
 187 MACHINE_END