arch/arm/mach-s3c24xx/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 #include <linux/delay.h>
  27
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/mach/irq.h>
  31
  32 #include <video/samsung_fimd.h>
  33 #include <mach/hardware.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 #include <plat/regs-serial.h>
  38 #include <mach/regs-gpio.h>
  39 #include <mach/regs-lcd.h>
  40 #include <mach/regs-s3c2443-clock.h>
  41 #include <mach/gpio-samsung.h>
  42
  43 #include <linux/platform_data/leds-s3c24xx.h>
  44 #include <linux/platform_data/i2c-s3c2410.h>
  45
  46 #include <plat/gpio-cfg.h>
  47 #include <plat/clock.h>
  48 #include <plat/devs.h>
  49 #include <plat/cpu.h>
  50 #include <linux/platform_data/mtd-nand-s3c2410.h>
  51 #include <plat/sdhci.h>
  52 #include <linux/platform_data/usb-s3c2410_udc.h>
  53 #include <linux/platform_data/s3c-hsudc.h>
  54 #include <plat/samsung-time.h>
  55
  56 #include <plat/fb.h>
  57
  58 #include "common.h"
  59 #include "common-smdk.h"
  60
  61 static struct map_desc smdk2416_iodesc[] __initdata = {
  62         /* ISA IO Space map (memory space selected by A24) */
  63
  64         {
  65                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  66                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  67                 .length         = 0x10000,
  68                 .type           = MT_DEVICE,
  69         }, {
  70                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  71                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  72                 .length         = SZ_4M,
  73                 .type           = MT_DEVICE,
  74         }, {
  75                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  76                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  77                 .length         = 0x10000,
  78                 .type           = MT_DEVICE,
  79         }, {
  80                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  81                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  82                 .length         = SZ_4M,
  83                 .type           = MT_DEVICE,
  84         }
  85 };
  86
  87 #define UCON (S3C2410_UCON_DEFAULT      | \
  88                 S3C2440_UCON_PCLK       | \
  89                 S3C2443_UCON_RXERR_IRQEN)
  90
  91 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  92
  93 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
  94                 S3C2410_UFCON_FIFOMODE  | \
  95                 S3C2440_UFCON_TXTRIG16)
  96
  97 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
  98         [0] = {
  99                 .hwport      = 0,
 100                 .flags       = 0,
 101                 .ucon        = UCON,
 102                 .ulcon       = ULCON,
 103                 .ufcon       = UFCON,
 104         },
 105         [1] = {
 106                 .hwport      = 1,
 107                 .flags       = 0,
 108                 .ucon        = UCON,
 109                 .ulcon       = ULCON,
 110                 .ufcon       = UFCON,
 111         },
 112         /* IR port */
 113         [2] = {
 114                 .hwport      = 2,
 115                 .flags       = 0,
 116                 .ucon        = UCON,
 117                 .ulcon       = ULCON | 0x50,
 118                 .ufcon       = UFCON,
 119         },
 120         [3] = {
 121                 .hwport      = 3,
 122                 .flags       = 0,
 123                 .ucon        = UCON,
 124                 .ulcon       = ULCON,
 125                 .ufcon       = UFCON,
 126         }
 127 };
 128
 129 static void smdk2416_hsudc_gpio_init(void)
 130 {
 131         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
 132         s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
 133         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
 134         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
 135 }
 136
 137 static void smdk2416_hsudc_gpio_uninit(void)
 138 {
 139         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
 140         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
 141         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
 142 }
 143
 144 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
 145         .epnum = 9,
 146         .gpio_init = smdk2416_hsudc_gpio_init,
 147         .gpio_uninit = smdk2416_hsudc_gpio_uninit,
 148 };
 149
 150 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
 151         [0] = {
 152                 .default_bpp    = 16,
 153                 .max_bpp        = 32,
 154                 .xres           = 800,
 155                 .yres           = 480,
 156         },
 157 };
 158
 159 static struct fb_videomode smdk2416_lcd_timing = {
 160         .pixclock       = 41094,
 161         .left_margin    = 8,
 162         .right_margin   = 13,
 163         .upper_margin   = 7,
 164         .lower_margin   = 5,
 165         .hsync_len      = 3,
 166         .vsync_len      = 1,
 167         .xres           = 800,
 168         .yres           = 480,
 169 };
 170
 171 static void s3c2416_fb_gpio_setup_24bpp(void)
 172 {
 173         unsigned int gpio;
 174
 175         for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
 176                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 177                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 178         }
 179
 180         for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
 181                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 182                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 183         }
 184
 185         for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
 186                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 187                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 188         }
 189 }
 190
 191 static struct s3c_fb_platdata smdk2416_fb_platdata = {
 192         .win[0]         = &smdk2416_fb_win[0],
 193         .vtiming        = &smdk2416_lcd_timing,
 194         .setup_gpio     = s3c2416_fb_gpio_setup_24bpp,
 195         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 196         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 197 };
 198
 199 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
 200         .max_width              = 4,
 201         .cd_type                = S3C_SDHCI_CD_GPIO,
 202         .ext_cd_gpio            = S3C2410_GPF(1),
 203         .ext_cd_gpio_invert     = 1,
 204 };
 205
 206 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
 207         .max_width              = 4,
 208         .cd_type                = S3C_SDHCI_CD_NONE,
 209 };
 210
 211 static struct platform_device *smdk2416_devices[] __initdata = {
 212         &s3c_device_fb,
 213         &s3c_device_wdt,
 214         &s3c_device_ohci,
 215         &s3c_device_i2c0,
 216         &s3c_device_hsmmc0,
 217         &s3c_device_hsmmc1,
 218         &s3c_device_usb_hsudc,
 219         &s3c2443_device_dma,
 220 };
 221
 222 static void __init smdk2416_map_io(void)
 223 {
 224         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
 225         s3c24xx_init_clocks(12000000);
 226         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
 227         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 228 }
 229
 230 static void __init smdk2416_machine_init(void)
 231 {
 232         s3c_i2c0_set_platdata(NULL);
 233         s3c_fb_set_platdata(&smdk2416_fb_platdata);
 234
 235         s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
 236         s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
 237
 238         s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
 239
 240         gpio_request(S3C2410_GPB(4), "USBHost Power");
 241         gpio_direction_output(S3C2410_GPB(4), 1);
 242
 243         gpio_request(S3C2410_GPB(3), "Display Power");
 244         gpio_direction_output(S3C2410_GPB(3), 1);
 245
 246         gpio_request(S3C2410_GPB(1), "Display Reset");
 247         gpio_direction_output(S3C2410_GPB(1), 1);
 248
 249         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
 250         smdk_machine_init();
 251 }
 252
 253 MACHINE_START(SMDK2416, "SMDK2416")
 254         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
 255         .atag_offset    = 0x100,
 256
 257         .init_irq       = s3c2416_init_irq,
 258         .map_io         = smdk2416_map_io,
 259         .init_machine   = smdk2416_machine_init,
 260         .init_time      = samsung_timer_init,
 261         .restart        = s3c2416_restart,
 262 MACHINE_END