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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
  57 #include "common-smdk.h"
  58
  59 static struct map_desc smdk2440_iodesc[] __initdata = {
  60         /* ISA IO Space map (memory space selected by A24) */
  61
  62         {
  63                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  64                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  65                 .length         = 0x10000,
  66                 .type           = MT_DEVICE,
  67         }, {
  68                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  69                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  70                 .length         = SZ_4M,
  71                 .type           = MT_DEVICE,
  72         }, {
  73                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  74                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  75                 .length         = 0x10000,
  76                 .type           = MT_DEVICE,
  77         }, {
  78                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  79                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  80                 .length         = SZ_4M,
  81                 .type           = MT_DEVICE,
  82         }
  83 };
  84
  85 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  86 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  87 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  88
  89 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  90         [0] = {
  91                 .hwport      = 0,
  92                 .flags       = 0,
  93                 .ucon        = 0x3c5,
  94                 .ulcon       = 0x03,
  95                 .ufcon       = 0x51,
  96         },
  97         [1] = {
  98                 .hwport      = 1,
  99                 .flags       = 0,
 100                 .ucon        = 0x3c5,
 101                 .ulcon       = 0x03,
 102                 .ufcon       = 0x51,
 103         },
 104         /* IR port */
 105         [2] = {
 106                 .hwport      = 2,
 107                 .flags       = 0,
 108                 .ucon        = 0x3c5,
 109                 .ulcon       = 0x43,
 110                 .ufcon       = 0x51,
 111         }
 112 };
 113
 114 /* LCD driver info */
 115
 116 static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
 117         .regs   = {
 118
 119                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 120                                   S3C2410_LCDCON1_TFT |
 121                                   S3C2410_LCDCON1_CLKVAL(0x04),
 122
 123                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 124                                   S3C2410_LCDCON2_LINEVAL(319) |
 125                                   S3C2410_LCDCON2_VFPD(6) |
 126                                   S3C2410_LCDCON2_VSPW(3),
 127
 128                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 129                                   S3C2410_LCDCON3_HOZVAL(239) |
 130                                   S3C2410_LCDCON3_HFPD(7),
 131
 132                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 133                                   S3C2410_LCDCON4_HSPW(3),
 134
 135                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 136                                   S3C2410_LCDCON5_INVVLINE |
 137                                   S3C2410_LCDCON5_INVVFRAME |
 138                                   S3C2410_LCDCON5_PWREN |
 139                                   S3C2410_LCDCON5_HWSWP,
 140         },
 141
 142 #if 0
 143         /* currently setup by downloader */
 144         .gpccon         = 0xaa940659,
 145         .gpccon_mask    = 0xffffffff,
 146         .gpcup          = 0x0000ffff,
 147         .gpcup_mask     = 0xffffffff,
 148         .gpdcon         = 0xaa84aaa0,
 149         .gpdcon_mask    = 0xffffffff,
 150         .gpdup          = 0x0000faff,
 151         .gpdup_mask     = 0xffffffff,
 152 #endif
 153
 154         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 155
 156         .width          = 240,
 157         .height         = 320,
 158
 159         .xres           = {
 160                 .min    = 240,
 161                 .max    = 240,
 162                 .defval = 240,
 163         },
 164
 165         .yres           = {
 166                 .min    = 320,
 167                 .max    = 320,
 168                 .defval = 320,
 169         },
 170
 171         .bpp            = {
 172                 .min    = 16,
 173                 .max    = 16,
 174                 .defval = 16,
 175         },
 176 };
 177
 178 static struct platform_device *smdk2440_devices[] __initdata = {
 179         &s3c_device_usb,
 180         &s3c_device_lcd,
 181         &s3c_device_wdt,
 182         &s3c_device_i2c,
 183         &s3c_device_iis,
 184 };
 185
 186 static struct s3c24xx_board smdk2440_board __initdata = {
 187         .devices       = smdk2440_devices,
 188         .devices_count = ARRAY_SIZE(smdk2440_devices)
 189 };
 190
 191 static void __init smdk2440_map_io(void)
 192 {
 193         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 194         s3c24xx_init_clocks(16934400);
 195         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 196         s3c24xx_set_board(&smdk2440_board);
 197 }
 198
 199 static void __init smdk2440_machine_init(void)
 200 {
 201         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 202
 203         smdk_machine_init();
 204 }
 205
 206 MACHINE_START(S3C2440, "SMDK2440")
 207         /* Maintainer: Ben Dooks <ben@fluff.org> */
 208         .phys_io        = S3C2410_PA_UART,
 209         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 210         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 211
 212         .init_irq       = s3c24xx_init_irq,
 213         .map_io         = smdk2440_map_io,
 214         .init_machine   = smdk2440_machine_init,
 215         .timer          = &s3c24xx_timer,
 216 MACHINE_END