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