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   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  * Modifications:
  15  *      01-Nov-2004 BJD   Initial version
  16  *      12-Nov-2004 BJD   Updated for release
  17  *      04-Jan-2005 BJD   Fixes for pre-release
  18  *      22-Feb-2005 BJD   Updated for 2.6.11-rc5 relesa
  19  *      10-Mar-2005 LCVR  Replaced S3C2410_VA by S3C24XX_VA
  20  *      14-Mar-2005 BJD   void __iomem fixes
  21  *      20-Sep-2005 BJD   Added static to non-exported items
  22  *      26-Oct-2005 BJD   Added framebuffer data
  23 */
  24
  25 #include <linux/kernel.h>
  26 #include <linux/types.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/list.h>
  29 #include <linux/timer.h>
  30 #include <linux/init.h>
  31 #include <linux/platform_device.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/irq.h>
  36
  37 #include <asm/hardware.h>
  38 #include <asm/hardware/iomd.h>
  39 #include <asm/io.h>
  40 #include <asm/irq.h>
  41 #include <asm/mach-types.h>
  42
  43 //#include <asm/debug-ll.h>
  44 #include <asm/arch/regs-serial.h>
  45 #include <asm/arch/regs-gpio.h>
  46 #include <asm/arch/regs-lcd.h>
  47
  48 #include <asm/arch/idle.h>
  49 #include <asm/arch/fb.h>
  50
  51 #include "s3c2410.h"
  52 #include "s3c2440.h"
  53 #include "clock.h"
  54 #include "devs.h"
  55 #include "cpu.h"
  56 #include "pm.h"
  57
  58 static struct map_desc smdk2440_iodesc[] __initdata = {
  59         /* ISA IO Space map (memory space selected by A24) */
  60
  61         {
  62                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  63                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  64                 .length         = 0x10000,
  65                 .type           = MT_DEVICE,
  66         }, {
  67                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  68                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  69                 .length         = SZ_4M,
  70                 .type           = MT_DEVICE,
  71         }, {
  72                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  73                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  74                 .length         = 0x10000,
  75                 .type           = MT_DEVICE,
  76         }, {
  77                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  78                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  79                 .length         = SZ_4M,
  80                 .type           = MT_DEVICE,
  81         }
  82 };
  83
  84 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  85 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  86 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  87
  88 static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
  89         [0] = {
  90                 .hwport      = 0,
  91                 .flags       = 0,
  92                 .ucon        = 0x3c5,
  93                 .ulcon       = 0x03,
  94                 .ufcon       = 0x51,
  95         },
  96         [1] = {
  97                 .hwport      = 1,
  98                 .flags       = 0,
  99                 .ucon        = 0x3c5,
 100                 .ulcon       = 0x03,
 101                 .ufcon       = 0x51,
 102         },
 103         /* IR port */
 104         [2] = {
 105                 .hwport      = 2,
 106                 .flags       = 0,
 107                 .ucon        = 0x3c5,
 108                 .ulcon       = 0x43,
 109                 .ufcon       = 0x51,
 110         }
 111 };
 112
 113 /* LCD driver info */
 114
 115 static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
 116         .regs   = {
 117
 118                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 119                                   S3C2410_LCDCON1_TFT |
 120                                   S3C2410_LCDCON1_CLKVAL(0x04),
 121
 122                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 123                                   S3C2410_LCDCON2_LINEVAL(319) |
 124                                   S3C2410_LCDCON2_VFPD(6) |
 125                                   S3C2410_LCDCON2_VSPW(3),
 126
 127                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 128                                   S3C2410_LCDCON3_HOZVAL(239) |
 129                                   S3C2410_LCDCON3_HFPD(7),
 130
 131                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 132                                   S3C2410_LCDCON4_HSPW(3),
 133
 134                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 135                                   S3C2410_LCDCON5_INVVLINE |
 136                                   S3C2410_LCDCON5_INVVFRAME |
 137                                   S3C2410_LCDCON5_PWREN |
 138                                   S3C2410_LCDCON5_HWSWP,
 139         },
 140
 141 #if 0
 142         /* currently setup by downloader */
 143         .gpccon         = 0xaa940659,
 144         .gpccon_mask    = 0xffffffff,
 145         .gpcup          = 0x0000ffff,
 146         .gpcup_mask     = 0xffffffff,
 147         .gpdcon         = 0xaa84aaa0,
 148         .gpdcon_mask    = 0xffffffff,
 149         .gpdup          = 0x0000faff,
 150         .gpdup_mask     = 0xffffffff,
 151 #endif
 152
 153         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 154
 155         .width          = 240,
 156         .height         = 320,
 157
 158         .xres           = {
 159                 .min    = 240,
 160                 .max    = 240,
 161                 .defval = 240,
 162         },
 163
 164         .yres           = {
 165                 .min    = 320,
 166                 .max    = 320,
 167                 .defval = 320,
 168         },
 169
 170         .bpp            = {
 171                 .min    = 16,
 172                 .max    = 16,
 173                 .defval = 16,
 174         },
 175 };
 176
 177 static struct platform_device *smdk2440_devices[] __initdata = {
 178         &s3c_device_usb,
 179         &s3c_device_lcd,
 180         &s3c_device_wdt,
 181         &s3c_device_i2c,
 182         &s3c_device_iis,
 183 };
 184
 185 static struct s3c24xx_board smdk2440_board __initdata = {
 186         .devices       = smdk2440_devices,
 187         .devices_count = ARRAY_SIZE(smdk2440_devices)
 188 };
 189
 190 static void __init smdk2440_map_io(void)
 191 {
 192         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 193         s3c24xx_init_clocks(16934400);
 194         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 195         s3c24xx_set_board(&smdk2440_board);
 196 }
 197
 198 static void __init smdk2440_machine_init(void)
 199 {
 200         /* Configure the LEDs (even if we have no LED support)*/
 201
 202         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
 203         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
 204         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
 205         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
 206
 207         s3c2410_gpio_setpin(S3C2410_GPF4, 0);
 208         s3c2410_gpio_setpin(S3C2410_GPF5, 0);
 209         s3c2410_gpio_setpin(S3C2410_GPF6, 0);
 210         s3c2410_gpio_setpin(S3C2410_GPF7, 0);
 211
 212         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 213
 214         s3c2410_pm_init();
 215 }
 216
 217 MACHINE_START(S3C2440, "SMDK2440")
 218         /* Maintainer: Ben Dooks <ben@fluff.org> */
 219         .phys_ram       = S3C2410_SDRAM_PA,
 220         .phys_io        = S3C2410_PA_UART,
 221         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 222         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 223
 224         .init_irq       = s3c24xx_init_irq,
 225         .map_io         = smdk2440_map_io,
 226         .init_machine   = smdk2440_machine_init,
 227         .timer          = &s3c24xx_timer,
 228 MACHINE_END