Pileus Git - ~andy/linux/blob - arch/arm/mach-s5pc100/mach-smdkc100.c

   1 /* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
   2  *
   3  * Copyright 2009 Samsung Electronics Co.
   4  * Author: Byungho Min <bhmin@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10 */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/list.h>
  16 #include <linux/timer.h>
  17 #include <linux/init.h>
  18 #include <linux/serial_core.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/io.h>
  21 #include <linux/gpio.h>
  22 #include <linux/i2c.h>
  23 #include <linux/fb.h>
  24 #include <linux/delay.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28
  29 #include <mach/map.h>
  30 #include <mach/regs-fb.h>
  31 #include <video/platform_lcd.h>
  32
  33 #include <asm/irq.h>
  34 #include <asm/mach-types.h>
  35
  36 #include <plat/regs-serial.h>
  37 #include <plat/gpio-cfg.h>
  38
  39 #include <plat/clock.h>
  40 #include <plat/devs.h>
  41 #include <plat/cpu.h>
  42 #include <plat/s5pc100.h>
  43 #include <plat/fb.h>
  44 #include <plat/iic.h>
  45 #include <plat/ata.h>
  46 #include <plat/adc.h>
  47 #include <plat/ts.h>
  48
  49 /* Following are default values for UCON, ULCON and UFCON UART registers */
  50 #define S5PC100_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |        \
  51                                  S3C2410_UCON_RXILEVEL |        \
  52                                  S3C2410_UCON_TXIRQMODE |       \
  53                                  S3C2410_UCON_RXIRQMODE |       \
  54                                  S3C2410_UCON_RXFIFO_TOI |      \
  55                                  S3C2443_UCON_RXERR_IRQEN)
  56
  57 #define S5PC100_ULCON_DEFAULT   S3C2410_LCON_CS8
  58
  59 #define S5PC100_UFCON_DEFAULT   (S3C2410_UFCON_FIFOMODE |       \
  60                                  S3C2440_UFCON_RXTRIG8 |        \
  61                                  S3C2440_UFCON_TXTRIG16)
  62
  63 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
  64         [0] = {
  65                 .hwport      = 0,
  66                 .flags       = 0,
  67                 .ucon        = S5PC100_UCON_DEFAULT,
  68                 .ulcon       = S5PC100_ULCON_DEFAULT,
  69                 .ufcon       = S5PC100_UFCON_DEFAULT,
  70         },
  71         [1] = {
  72                 .hwport      = 1,
  73                 .flags       = 0,
  74                 .ucon        = S5PC100_UCON_DEFAULT,
  75                 .ulcon       = S5PC100_ULCON_DEFAULT,
  76                 .ufcon       = S5PC100_UFCON_DEFAULT,
  77         },
  78         [2] = {
  79                 .hwport      = 2,
  80                 .flags       = 0,
  81                 .ucon        = S5PC100_UCON_DEFAULT,
  82                 .ulcon       = S5PC100_ULCON_DEFAULT,
  83                 .ufcon       = S5PC100_UFCON_DEFAULT,
  84         },
  85         [3] = {
  86                 .hwport      = 3,
  87                 .flags       = 0,
  88                 .ucon        = S5PC100_UCON_DEFAULT,
  89                 .ulcon       = S5PC100_ULCON_DEFAULT,
  90                 .ufcon       = S5PC100_UFCON_DEFAULT,
  91         },
  92 };
  93
  94 /* I2C0 */
  95 static struct i2c_board_info i2c_devs0[] __initdata = {
  96 };
  97
  98 /* I2C1 */
  99 static struct i2c_board_info i2c_devs1[] __initdata = {
 100 };
 101
 102 /* LCD power controller */
 103 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
 104                                    unsigned int power)
 105 {
 106         /* backlight */
 107         gpio_direction_output(S5PC100_GPD(0), power);
 108
 109         if (power) {
 110                 /* module reset */
 111                 gpio_direction_output(S5PC100_GPH0(6), 1);
 112                 mdelay(100);
 113                 gpio_direction_output(S5PC100_GPH0(6), 0);
 114                 mdelay(10);
 115                 gpio_direction_output(S5PC100_GPH0(6), 1);
 116                 mdelay(10);
 117         }
 118 }
 119
 120 static struct plat_lcd_data smdkc100_lcd_power_data = {
 121         .set_power      = smdkc100_lcd_power_set,
 122 };
 123
 124 static struct platform_device smdkc100_lcd_powerdev = {
 125         .name                   = "platform-lcd",
 126         .dev.parent             = &s3c_device_fb.dev,
 127         .dev.platform_data      = &smdkc100_lcd_power_data,
 128 };
 129
 130 /* Frame Buffer */
 131 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 132         /* this is to ensure we use win0 */
 133         .win_mode       = {
 134                 .pixclock = 1000000000000ULL / ((8+13+3+800)*(7+5+1+480)*80),
 135                 .left_margin    = 8,
 136                 .right_margin   = 13,
 137                 .upper_margin   = 7,
 138                 .lower_margin   = 5,
 139                 .hsync_len      = 3,
 140                 .vsync_len      = 1,
 141                 .xres           = 800,
 142                 .yres           = 480,
 143         },
 144         .max_bpp        = 32,
 145         .default_bpp    = 16,
 146 };
 147
 148 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
 149         .win[0]         = &smdkc100_fb_win0,
 150         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 151         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 152         .setup_gpio     = s5pc100_fb_gpio_setup_24bpp,
 153 };
 154
 155 static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
 156         .setup_gpio     = s5pc100_ide_setup_gpio,
 157 };
 158
 159 static struct platform_device *smdkc100_devices[] __initdata = {
 160         &s3c_device_adc,
 161         &s3c_device_cfcon,
 162         &s3c_device_i2c0,
 163         &s3c_device_i2c1,
 164         &s3c_device_fb,
 165         &s3c_device_hsmmc0,
 166         &s3c_device_hsmmc1,
 167         &s3c_device_hsmmc2,
 168         &s3c_device_ts,
 169         &s3c_device_wdt,
 170         &smdkc100_lcd_powerdev,
 171         &s5pc100_device_iis0,
 172         &s5pc100_device_ac97,
 173 };
 174
 175 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 176         .delay                  = 10000,
 177         .presc                  = 49,
 178         .oversampling_shift     = 2,
 179 };
 180
 181 static void __init smdkc100_map_io(void)
 182 {
 183         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 184         s3c24xx_init_clocks(12000000);
 185         s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 186 }
 187
 188 static void __init smdkc100_machine_init(void)
 189 {
 190         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 191
 192         /* I2C */
 193         s3c_i2c0_set_platdata(NULL);
 194         s3c_i2c1_set_platdata(NULL);
 195         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 196         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 197
 198         s3c_fb_set_platdata(&smdkc100_lcd_pdata);
 199         s3c_ide_set_platdata(&smdkc100_ide_pdata);
 200
 201         /* LCD init */
 202         gpio_request(S5PC100_GPD(0), "GPD");
 203         gpio_request(S5PC100_GPH0(6), "GPH0");
 204         smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
 205         platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
 206 }
 207
 208 MACHINE_START(SMDKC100, "SMDKC100")
 209         /* Maintainer: Byungho Min <bhmin@samsung.com> */
 210         .phys_io        = S3C_PA_UART & 0xfff00000,
 211         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 212         .boot_params    = S5P_PA_SDRAM + 0x100,
 213         .init_irq       = s5pc100_init_irq,
 214         .map_io         = smdkc100_map_io,
 215         .init_machine   = smdkc100_machine_init,
 216         .timer          = &s3c24xx_timer,
 217 MACHINE_END