release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s3c2416/mach-smdk2416.c

   1 /* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
   2  *
   3  * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
   4  *      as part of OpenInkpot project
   5  * Copyright (c) 2009 Promwad Innovation Company
   6  *      Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/list.h>
  18 #include <linux/timer.h>
  19 #include <linux/init.h>
  20 #include <linux/serial_core.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/io.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/gpio.h>
  25 #include <linux/fb.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <plat/regs-serial.h>
  36 #include <mach/regs-gpio.h>
  37 #include <mach/regs-lcd.h>
  38
  39 #include <mach/idle.h>
  40 #include <mach/leds-gpio.h>
  41 #include <plat/iic.h>
  42
  43 #include <plat/s3c2416.h>
  44 #include <plat/gpio-cfg.h>
  45 #include <plat/clock.h>
  46 #include <plat/devs.h>
  47 #include <plat/cpu.h>
  48 #include <plat/nand.h>
  49
  50 #include <plat/regs-fb-v4.h>
  51 #include <plat/fb.h>
  52
  53 #include <plat/common-smdk.h>
  54
  55 static struct map_desc smdk2416_iodesc[] __initdata = {
  56         /* ISA IO Space map (memory space selected by A24) */
  57
  58         {
  59                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  60                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  61                 .length         = 0x10000,
  62                 .type           = MT_DEVICE,
  63         }, {
  64                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  65                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  66                 .length         = SZ_4M,
  67                 .type           = MT_DEVICE,
  68         }, {
  69                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  70                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  71                 .length         = 0x10000,
  72                 .type           = MT_DEVICE,
  73         }, {
  74                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  75                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  76                 .length         = SZ_4M,
  77                 .type           = MT_DEVICE,
  78         }
  79 };
  80
  81 #define UCON (S3C2410_UCON_DEFAULT      | \
  82                 S3C2440_UCON_PCLK       | \
  83                 S3C2443_UCON_RXERR_IRQEN)
  84
  85 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  86
  87 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
  88                 S3C2410_UFCON_FIFOMODE  | \
  89                 S3C2440_UFCON_TXTRIG16)
  90
  91 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
  92         [0] = {
  93                 .hwport      = 0,
  94                 .flags       = 0,
  95                 .ucon        = UCON,
  96                 .ulcon       = ULCON,
  97                 .ufcon       = UFCON,
  98         },
  99         [1] = {
 100                 .hwport      = 1,
 101                 .flags       = 0,
 102                 .ucon        = UCON,
 103                 .ulcon       = ULCON,
 104                 .ufcon       = UFCON,
 105         },
 106         /* IR port */
 107         [2] = {
 108                 .hwport      = 2,
 109                 .flags       = 0,
 110                 .ucon        = UCON,
 111                 .ulcon       = ULCON | 0x50,
 112                 .ufcon       = UFCON,
 113         }
 114 };
 115
 116 struct s3c_fb_pd_win smdk2416_fb_win[] = {
 117         [0] = {
 118                 /* think this is the same as the smdk6410 */
 119                 .win_mode       = {
 120                         .pixclock       = 41094,
 121                         .left_margin    = 8,
 122                         .right_margin   = 13,
 123                         .upper_margin   = 7,
 124                         .lower_margin   = 5,
 125                         .hsync_len      = 3,
 126                         .vsync_len      = 1,
 127                         .xres           = 800,
 128                         .yres           = 480,
 129                 },
 130                 .default_bpp    = 16,
 131                 .max_bpp        = 32,
 132         },
 133 };
 134
 135 static void s3c2416_fb_gpio_setup_24bpp(void)
 136 {
 137         unsigned int gpio;
 138
 139         for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
 140                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 141                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 142         }
 143
 144         for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
 145                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 146                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 147         }
 148
 149         for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
 150                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 151                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 152         }
 153 }
 154
 155 static struct s3c_fb_platdata smdk2416_fb_platdata = {
 156         .win[0]         = &smdk2416_fb_win[0],
 157         .setup_gpio     = s3c2416_fb_gpio_setup_24bpp,
 158         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 159         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 160 };
 161
 162 static struct platform_device *smdk2416_devices[] __initdata = {
 163         &s3c_device_fb,
 164         &s3c_device_wdt,
 165         &s3c_device_ohci,
 166         &s3c_device_i2c0,
 167         &s3c_device_hsmmc0,
 168         &s3c_device_hsmmc1,
 169 };
 170
 171 static void __init smdk2416_map_io(void)
 172 {
 173         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
 174         s3c24xx_init_clocks(12000000);
 175         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
 176 }
 177
 178 static void __init smdk2416_machine_init(void)
 179 {
 180         s3c_i2c0_set_platdata(NULL);
 181         s3c_fb_set_platdata(&smdk2416_fb_platdata);
 182
 183         gpio_request(S3C2410_GPB(4), "USBHost Power");
 184         gpio_direction_output(S3C2410_GPB(4), 1);
 185
 186         gpio_request(S3C2410_GPB(3), "Display Power");
 187         gpio_direction_output(S3C2410_GPB(3), 1);
 188
 189         gpio_request(S3C2410_GPB(1), "Display Reset");
 190         gpio_direction_output(S3C2410_GPB(1), 1);
 191
 192         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
 193         smdk_machine_init();
 194 }
 195
 196 MACHINE_START(SMDK2416, "SMDK2416")
 197         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
 198         .phys_io        = S3C2410_PA_UART,
 199         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 200         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 201
 202         .init_irq       = s3c24xx_init_irq,
 203         .map_io         = smdk2416_map_io,
 204         .init_machine   = smdk2416_machine_init,
 205         .timer          = &s3c24xx_timer,
 206 MACHINE_END