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/serial_s3c.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/io.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  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/devs.h>
  42 #include <plat/cpu.h>
  43 #include <plat/samsung-time.h>
  44
  45 #include "common.h"
  46 #include "common-smdk.h"
  47
  48 static struct map_desc smdk2440_iodesc[] __initdata = {
  49         /* ISA IO Space map (memory space selected by A24) */
  50
  51         {
  52                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  53                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  54                 .length         = 0x10000,
  55                 .type           = MT_DEVICE,
  56         }, {
  57                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  58                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  59                 .length         = SZ_4M,
  60                 .type           = MT_DEVICE,
  61         }, {
  62                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  63                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  64                 .length         = 0x10000,
  65                 .type           = MT_DEVICE,
  66         }, {
  67                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  68                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  69                 .length         = SZ_4M,
  70                 .type           = MT_DEVICE,
  71         }
  72 };
  73
  74 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  75 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  76 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  77
  78 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  79         [0] = {
  80                 .hwport      = 0,
  81                 .flags       = 0,
  82                 .ucon        = 0x3c5,
  83                 .ulcon       = 0x03,
  84                 .ufcon       = 0x51,
  85         },
  86         [1] = {
  87                 .hwport      = 1,
  88                 .flags       = 0,
  89                 .ucon        = 0x3c5,
  90                 .ulcon       = 0x03,
  91                 .ufcon       = 0x51,
  92         },
  93         /* IR port */
  94         [2] = {
  95                 .hwport      = 2,
  96                 .flags       = 0,
  97                 .ucon        = 0x3c5,
  98                 .ulcon       = 0x43,
  99                 .ufcon       = 0x51,
 100         }
 101 };
 102
 103 /* LCD driver info */
 104
 105 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
 106
 107         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 108                           S3C2410_LCDCON5_INVVLINE |
 109                           S3C2410_LCDCON5_INVVFRAME |
 110                           S3C2410_LCDCON5_PWREN |
 111                           S3C2410_LCDCON5_HWSWP,
 112
 113         .type           = S3C2410_LCDCON1_TFT,
 114
 115         .width          = 240,
 116         .height         = 320,
 117
 118         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 119         .xres           = 240,
 120         .yres           = 320,
 121         .bpp            = 16,
 122         .left_margin    = 20,
 123         .right_margin   = 8,
 124         .hsync_len      = 4,
 125         .upper_margin   = 8,
 126         .lower_margin   = 7,
 127         .vsync_len      = 4,
 128 };
 129
 130 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 131         .displays       = &smdk2440_lcd_cfg,
 132         .num_displays   = 1,
 133         .default_display = 0,
 134
 135 #if 0
 136         /* currently setup by downloader */
 137         .gpccon         = 0xaa940659,
 138         .gpccon_mask    = 0xffffffff,
 139         .gpcup          = 0x0000ffff,
 140         .gpcup_mask     = 0xffffffff,
 141         .gpdcon         = 0xaa84aaa0,
 142         .gpdcon_mask    = 0xffffffff,
 143         .gpdup          = 0x0000faff,
 144         .gpdup_mask     = 0xffffffff,
 145 #endif
 146
 147         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 148 };
 149
 150 static struct platform_device *smdk2440_devices[] __initdata = {
 151         &s3c_device_ohci,
 152         &s3c_device_lcd,
 153         &s3c_device_wdt,
 154         &s3c_device_i2c0,
 155         &s3c_device_iis,
 156 };
 157
 158 static void __init smdk2440_map_io(void)
 159 {
 160         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 161         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 162         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 163 }
 164
 165 static void __init smdk2440_init_time(void)
 166 {
 167         s3c2440_init_clocks(16934400);
 168         samsung_timer_init();
 169 }
 170
 171 static void __init smdk2440_machine_init(void)
 172 {
 173         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 174         s3c_i2c0_set_platdata(NULL);
 175
 176         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 177         smdk_machine_init();
 178 }
 179
 180 MACHINE_START(S3C2440, "SMDK2440")
 181         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 182         .atag_offset    = 0x100,
 183
 184         .init_irq       = s3c2440_init_irq,
 185         .map_io         = smdk2440_map_io,
 186         .init_machine   = smdk2440_machine_init,
 187         .init_time      = smdk2440_init_time,
 188         .restart        = s3c244x_restart,
 189 MACHINE_END