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  * 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         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
  62         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
  63 };
  64
  65 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  66 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  67 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  68
  69 static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
  70         [0] = {
  71                 .hwport      = 0,
  72                 .flags       = 0,
  73                 .ucon        = 0x3c5,
  74                 .ulcon       = 0x03,
  75                 .ufcon       = 0x51,
  76         },
  77         [1] = {
  78                 .hwport      = 1,
  79                 .flags       = 0,
  80                 .ucon        = 0x3c5,
  81                 .ulcon       = 0x03,
  82                 .ufcon       = 0x51,
  83         },
  84         /* IR port */
  85         [2] = {
  86                 .hwport      = 2,
  87                 .flags       = 0,
  88                 .ucon        = 0x3c5,
  89                 .ulcon       = 0x43,
  90                 .ufcon       = 0x51,
  91         }
  92 };
  93
  94 /* LCD driver info */
  95
  96 static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
  97         .regs   = {
  98
  99                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 100                                   S3C2410_LCDCON1_TFT |
 101                                   S3C2410_LCDCON1_CLKVAL(0x04),
 102
 103                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 104                                   S3C2410_LCDCON2_LINEVAL(319) |
 105                                   S3C2410_LCDCON2_VFPD(6) |
 106                                   S3C2410_LCDCON2_VSPW(3),
 107
 108                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 109                                   S3C2410_LCDCON3_HOZVAL(239) |
 110                                   S3C2410_LCDCON3_HFPD(7),
 111
 112                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 113                                   S3C2410_LCDCON4_HSPW(3),
 114
 115                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 116                                   S3C2410_LCDCON5_INVVLINE |
 117                                   S3C2410_LCDCON5_INVVFRAME |
 118                                   S3C2410_LCDCON5_PWREN |
 119                                   S3C2410_LCDCON5_HWSWP,
 120         },
 121
 122 #if 0
 123         /* currently setup by downloader */
 124         .gpccon         = 0xaa940659,
 125         .gpccon_mask    = 0xffffffff,
 126         .gpcup          = 0x0000ffff,
 127         .gpcup_mask     = 0xffffffff,
 128         .gpdcon         = 0xaa84aaa0,
 129         .gpdcon_mask    = 0xffffffff,
 130         .gpdup          = 0x0000faff,
 131         .gpdup_mask     = 0xffffffff,
 132 #endif
 133
 134         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 135
 136         .width          = 240,
 137         .height         = 320,
 138
 139         .xres           = {
 140                 .min    = 240,
 141                 .max    = 240,
 142                 .defval = 240,
 143         },
 144
 145         .yres           = {
 146                 .min    = 320,
 147                 .max    = 320,
 148                 .defval = 320,
 149         },
 150
 151         .bpp            = {
 152                 .min    = 16,
 153                 .max    = 16,
 154                 .defval = 16,
 155         },
 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 struct s3c24xx_board smdk2440_board __initdata = {
 167         .devices       = smdk2440_devices,
 168         .devices_count = ARRAY_SIZE(smdk2440_devices)
 169 };
 170
 171 static void __init smdk2440_map_io(void)
 172 {
 173         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 174         s3c24xx_init_clocks(16934400);
 175         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 176         s3c24xx_set_board(&smdk2440_board);
 177 }
 178
 179 static void __init smdk2440_machine_init(void)
 180 {
 181         /* Configure the LEDs (even if we have no LED support)*/
 182
 183         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
 184         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
 185         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
 186         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
 187
 188         s3c2410_gpio_setpin(S3C2410_GPF4, 0);
 189         s3c2410_gpio_setpin(S3C2410_GPF5, 0);
 190         s3c2410_gpio_setpin(S3C2410_GPF6, 0);
 191         s3c2410_gpio_setpin(S3C2410_GPF7, 0);
 192
 193         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 194
 195         s3c2410_pm_init();
 196 }
 197
 198 MACHINE_START(S3C2440, "SMDK2440")
 199         /* Maintainer: Ben Dooks <ben@fluff.org> */
 200         .phys_ram       = S3C2410_SDRAM_PA,
 201         .phys_io        = S3C2410_PA_UART,
 202         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 203         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 204
 205         .init_irq       = s3c24xx_init_irq,
 206         .map_io         = smdk2440_map_io,
 207         .init_machine   = smdk2440_machine_init,
 208         .timer          = &s3c24xx_timer,
 209 MACHINE_END