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   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/arch/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_mach_info smdk2440_lcd_cfg __initdata = {
 107         .regs   = {
 108
 109                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 110                                   S3C2410_LCDCON1_TFT |
 111                                   S3C2410_LCDCON1_CLKVAL(0x04),
 112
 113                 .lcdcon2        = S3C2410_LCDCON2_VBPD(7) |
 114                                   S3C2410_LCDCON2_LINEVAL(319) |
 115                                   S3C2410_LCDCON2_VFPD(6) |
 116                                   S3C2410_LCDCON2_VSPW(3),
 117
 118                 .lcdcon3        = S3C2410_LCDCON3_HBPD(19) |
 119                                   S3C2410_LCDCON3_HOZVAL(239) |
 120                                   S3C2410_LCDCON3_HFPD(7),
 121
 122                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 123                                   S3C2410_LCDCON4_HSPW(3),
 124
 125                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 126                                   S3C2410_LCDCON5_INVVLINE |
 127                                   S3C2410_LCDCON5_INVVFRAME |
 128                                   S3C2410_LCDCON5_PWREN |
 129                                   S3C2410_LCDCON5_HWSWP,
 130         },
 131
 132 #if 0
 133         /* currently setup by downloader */
 134         .gpccon         = 0xaa940659,
 135         .gpccon_mask    = 0xffffffff,
 136         .gpcup          = 0x0000ffff,
 137         .gpcup_mask     = 0xffffffff,
 138         .gpdcon         = 0xaa84aaa0,
 139         .gpdcon_mask    = 0xffffffff,
 140         .gpdup          = 0x0000faff,
 141         .gpdup_mask     = 0xffffffff,
 142 #endif
 143
 144         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 145         .type           = S3C2410_LCDCON1_TFT16BPP,
 146
 147         .width          = 240,
 148         .height         = 320,
 149
 150         .xres           = {
 151                 .min    = 240,
 152                 .max    = 240,
 153                 .defval = 240,
 154         },
 155
 156         .yres           = {
 157                 .min    = 320,
 158                 .max    = 320,
 159                 .defval = 320,
 160         },
 161
 162         .bpp            = {
 163                 .min    = 16,
 164                 .max    = 16,
 165                 .defval = 16,
 166         },
 167 };
 168
 169 static struct platform_device *smdk2440_devices[] __initdata = {
 170         &s3c_device_usb,
 171         &s3c_device_lcd,
 172         &s3c_device_wdt,
 173         &s3c_device_i2c,
 174         &s3c_device_iis,
 175 };
 176
 177 static void __init smdk2440_map_io(void)
 178 {
 179         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 180         s3c24xx_init_clocks(16934400);
 181         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 182 }
 183
 184 static void __init smdk2440_machine_init(void)
 185 {
 186         s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
 187
 188         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 189         smdk_machine_init();
 190 }
 191
 192 MACHINE_START(S3C2440, "SMDK2440")
 193         /* Maintainer: Ben Dooks <ben@fluff.org> */
 194         .phys_io        = S3C2410_PA_UART,
 195         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 196         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 197
 198         .init_irq       = s3c24xx_init_irq,
 199         .map_io         = smdk2440_map_io,
 200         .init_machine   = smdk2440_machine_init,
 201         .timer          = &s3c24xx_timer,
 202 MACHINE_END