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 */
  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/hardware/iomd.h>
  31 #include <asm/io.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 //#include <asm/debug-ll.h>
  36 #include <asm/arch/regs-serial.h>
  37 #include <asm/arch/regs-gpio.h>
  38 #include <asm/arch/regs-lcd.h>
  39
  40 #include <asm/arch/idle.h>
  41 #include <asm/arch/fb.h>
  42
  43 #include "s3c2410.h"
  44 #include "s3c2440.h"
  45 #include "clock.h"
  46 #include "devs.h"
  47 #include "cpu.h"
  48
  49 #include "common-smdk.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_mach_info smdk2440_lcd_cfg __initdata = {
 109         .regs   = {
 110
 111                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 112                                   S3C2410_LCDCON1_TFT |
 113                                   S3C2410_LCDCON1_CLKVAL(0x04),
 114
 115                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 116                                   S3C2410_LCDCON2_LINEVAL(319) |
 117                                   S3C2410_LCDCON2_VFPD(6) |
 118                                   S3C2410_LCDCON2_VSPW(3),
 119
 120                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 121                                   S3C2410_LCDCON3_HOZVAL(239) |
 122                                   S3C2410_LCDCON3_HFPD(7),
 123
 124                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 125                                   S3C2410_LCDCON4_HSPW(3),
 126
 127                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 128                                   S3C2410_LCDCON5_INVVLINE |
 129                                   S3C2410_LCDCON5_INVVFRAME |
 130                                   S3C2410_LCDCON5_PWREN |
 131                                   S3C2410_LCDCON5_HWSWP,
 132         },
 133
 134 #if 0
 135         /* currently setup by downloader */
 136         .gpccon         = 0xaa940659,
 137         .gpccon_mask    = 0xffffffff,
 138         .gpcup          = 0x0000ffff,
 139         .gpcup_mask     = 0xffffffff,
 140         .gpdcon         = 0xaa84aaa0,
 141         .gpdcon_mask    = 0xffffffff,
 142         .gpdup          = 0x0000faff,
 143         .gpdup_mask     = 0xffffffff,
 144 #endif
 145
 146         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 147
 148         .width          = 240,
 149         .height         = 320,
 150
 151         .xres           = {
 152                 .min    = 240,
 153                 .max    = 240,
 154                 .defval = 240,
 155         },
 156
 157         .yres           = {
 158                 .min    = 320,
 159                 .max    = 320,
 160                 .defval = 320,
 161         },
 162
 163         .bpp            = {
 164                 .min    = 16,
 165                 .max    = 16,
 166                 .defval = 16,
 167         },
 168 };
 169
 170 static struct platform_device *smdk2440_devices[] __initdata = {
 171         &s3c_device_usb,
 172         &s3c_device_lcd,
 173         &s3c_device_wdt,
 174         &s3c_device_i2c,
 175         &s3c_device_iis,
 176 };
 177
 178 static struct s3c24xx_board smdk2440_board __initdata = {
 179         .devices       = smdk2440_devices,
 180         .devices_count = ARRAY_SIZE(smdk2440_devices)
 181 };
 182
 183 static void __init smdk2440_map_io(void)
 184 {
 185         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 186         s3c24xx_init_clocks(16934400);
 187         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 188         s3c24xx_set_board(&smdk2440_board);
 189 }
 190
 191 static void __init smdk2440_machine_init(void)
 192 {
 193         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 194
 195         smdk_machine_init();
 196 }
 197
 198 MACHINE_START(S3C2440, "SMDK2440")
 199         /* Maintainer: Ben Dooks <ben@fluff.org> */
 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