arch/arm/mach-s3c2440/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
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/mach/irq.h>
  28
  29 #include <asm/hardware.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <asm/plat-s3c/regs-serial.h>
  35 #include <asm/arch/regs-gpio.h>
  36 #include <asm/arch/regs-lcd.h>
  37
  38 #include <asm/arch/idle.h>
  39 #include <asm/arch/fb.h>
  40
  41 #include <asm/plat-s3c24xx/s3c2410.h>
  42 #include <asm/plat-s3c24xx/s3c2440.h>
  43 #include <asm/plat-s3c24xx/clock.h>
  44 #include <asm/plat-s3c24xx/devs.h>
  45 #include <asm/plat-s3c24xx/cpu.h>
  46
  47 #include <asm/plat-s3c24xx/common-smdk.h>
  48
  49 static struct map_desc smdk2440_iodesc[] __initdata = {
  50         /* ISA IO Space map (memory space selected by A24) */
  51
  52         {
  53                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  54                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  55                 .length         = 0x10000,
  56                 .type           = MT_DEVICE,
  57         }, {
  58                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  59                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  60                 .length         = SZ_4M,
  61                 .type           = MT_DEVICE,
  62         }, {
  63                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  64                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  65                 .length         = 0x10000,
  66                 .type           = MT_DEVICE,
  67         }, {
  68                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  69                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  70                 .length         = SZ_4M,
  71                 .type           = MT_DEVICE,
  72         }
  73 };
  74
  75 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  76 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  77 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  78
  79 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  80         [0] = {
  81                 .hwport      = 0,
  82                 .flags       = 0,
  83                 .ucon        = 0x3c5,
  84                 .ulcon       = 0x03,
  85                 .ufcon       = 0x51,
  86         },
  87         [1] = {
  88                 .hwport      = 1,
  89                 .flags       = 0,
  90                 .ucon        = 0x3c5,
  91                 .ulcon       = 0x03,
  92                 .ufcon       = 0x51,
  93         },
  94         /* IR port */
  95         [2] = {
  96                 .hwport      = 2,
  97                 .flags       = 0,
  98                 .ucon        = 0x3c5,
  99                 .ulcon       = 0x43,
 100                 .ufcon       = 0x51,
 101         }
 102 };
 103
 104 /* LCD driver info */
 105
 106 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
 107
 108         .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 109                           S3C2410_LCDCON1_TFT |
 110                           S3C2410_LCDCON1_CLKVAL(0x04),
 111
 112         .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 113                           S3C2410_LCDCON2_LINEVAL(319) |
 114                           S3C2410_LCDCON2_VFPD(6) |
 115                           S3C2410_LCDCON2_VSPW(3),
 116
 117         .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 118                           S3C2410_LCDCON4_HSPW(3),
 119
 120         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 121                           S3C2410_LCDCON5_INVVLINE |
 122                           S3C2410_LCDCON5_INVVFRAME |
 123                           S3C2410_LCDCON5_PWREN |
 124                           S3C2410_LCDCON5_HWSWP,
 125
 126         .type           = S3C2410_LCDCON1_TFT16BPP,
 127
 128         .width          = 240,
 129         .height         = 320,
 130
 131         .xres           = 240,
 132         .yres           = 320,
 133         .bpp            = 16,
 134         .left_margin    = 20,
 135         .right_margin   = 8,
 136 };
 137
 138 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 139         .displays       = &smdk2440_lcd_cfg,
 140         .num_displays   = 1,
 141         .default_display = 0,
 142
 143 #if 0
 144         /* currently setup by downloader */
 145         .gpccon         = 0xaa940659,
 146         .gpccon_mask    = 0xffffffff,
 147         .gpcup          = 0x0000ffff,
 148         .gpcup_mask     = 0xffffffff,
 149         .gpdcon         = 0xaa84aaa0,
 150         .gpdcon_mask    = 0xffffffff,
 151         .gpdup          = 0x0000faff,
 152         .gpdup_mask     = 0xffffffff,
 153 #endif
 154
 155         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 156 };
 157
 158 static struct platform_device *smdk2440_devices[] __initdata = {
 159         &s3c_device_usb,
 160         &s3c_device_lcd,
 161         &s3c_device_wdt,
 162         &s3c_device_i2c,
 163         &s3c_device_iis,
 164 };
 165
 166 static void __init smdk2440_map_io(void)
 167 {
 168         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 169         s3c24xx_init_clocks(16934400);
 170         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 171 }
 172
 173 static void __init smdk2440_machine_init(void)
 174 {
 175         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 176
 177         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 178         smdk_machine_init();
 179 }
 180
 181 MACHINE_START(S3C2440, "SMDK2440")
 182         /* Maintainer: Ben Dooks <ben@fluff.org> */
 183         .phys_io        = S3C2410_PA_UART,
 184         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 185         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 186
 187         .init_irq       = s3c24xx_init_irq,
 188         .map_io         = smdk2440_map_io,
 189         .init_machine   = smdk2440_machine_init,
 190         .timer          = &s3c24xx_timer,
 191 MACHINE_END