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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 <mach/hardware.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <asm/plat-s3c/regs-serial.h>
  35 #include <mach/regs-gpio.h>
  36 #include <mach/regs-lcd.h>
  37
  38 #include <mach/idle.h>
  39 #include <mach/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_display smdk2440_lcd_cfg __initdata = {
 107
 108         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 109                           S3C2410_LCDCON5_INVVLINE |
 110                           S3C2410_LCDCON5_INVVFRAME |
 111                           S3C2410_LCDCON5_PWREN |
 112                           S3C2410_LCDCON5_HWSWP,
 113
 114         .type           = S3C2410_LCDCON1_TFT,
 115
 116         .width          = 240,
 117         .height         = 320,
 118
 119         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 120         .xres           = 240,
 121         .yres           = 320,
 122         .bpp            = 16,
 123         .left_margin    = 20,
 124         .right_margin   = 8,
 125         .hsync_len      = 4,
 126         .upper_margin   = 8,
 127         .lower_margin   = 7,
 128         .vsync_len      = 4,
 129 };
 130
 131 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 132         .displays       = &smdk2440_lcd_cfg,
 133         .num_displays   = 1,
 134         .default_display = 0,
 135
 136 #if 0
 137         /* currently setup by downloader */
 138         .gpccon         = 0xaa940659,
 139         .gpccon_mask    = 0xffffffff,
 140         .gpcup          = 0x0000ffff,
 141         .gpcup_mask     = 0xffffffff,
 142         .gpdcon         = 0xaa84aaa0,
 143         .gpdcon_mask    = 0xffffffff,
 144         .gpdup          = 0x0000faff,
 145         .gpdup_mask     = 0xffffffff,
 146 #endif
 147
 148         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 149 };
 150
 151 static struct platform_device *smdk2440_devices[] __initdata = {
 152         &s3c_device_usb,
 153         &s3c_device_lcd,
 154         &s3c_device_wdt,
 155         &s3c_device_i2c,
 156         &s3c_device_iis,
 157 };
 158
 159 static void __init smdk2440_map_io(void)
 160 {
 161         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 162         s3c24xx_init_clocks(16934400);
 163         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 164 }
 165
 166 static void __init smdk2440_machine_init(void)
 167 {
 168         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 169
 170         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 171         smdk_machine_init();
 172 }
 173
 174 MACHINE_START(S3C2440, "SMDK2440")
 175         /* Maintainer: Ben Dooks <ben@fluff.org> */
 176         .phys_io        = S3C2410_PA_UART,
 177         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 178         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 179
 180         .init_irq       = s3c24xx_init_irq,
 181         .map_io         = smdk2440_map_io,
 182         .init_machine   = smdk2440_machine_init,
 183         .timer          = &s3c24xx_timer,
 184 MACHINE_END