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
  46 #define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
  47 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
  48 #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
  49
  50 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
  51         [0] = {
  52                 .hwport      = 0,
  53                 .flags       = 0,
  54                 .ucon        = 0x3c5,
  55                 .ulcon       = 0x03,
  56                 .ufcon       = 0x51,
  57         },
  58         [1] = {
  59                 .hwport      = 1,
  60                 .flags       = 0,
  61                 .ucon        = 0x3c5,
  62                 .ulcon       = 0x03,
  63                 .ufcon       = 0x51,
  64         },
  65         [2] = {
  66                 .hwport      = 2,
  67                 .flags       = 0,
  68                 .ucon        = 0x3c5,
  69                 .ulcon       = 0x03,
  70                 .ufcon       = 0x51,
  71         },
  72         [3] = {
  73                 .hwport      = 3,
  74                 .flags       = 0,
  75                 .ucon        = 0x3c5,
  76                 .ulcon       = 0x03,
  77                 .ufcon       = 0x51,
  78         },
  79 };
  80
  81 /* I2C0 */
  82 static struct i2c_board_info i2c_devs0[] __initdata = {
  83 };
  84
  85 /* I2C1 */
  86 static struct i2c_board_info i2c_devs1[] __initdata = {
  87 };
  88
  89 /* LCD power controller */
  90 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
  91                                    unsigned int power)
  92 {
  93         /* backlight */
  94         gpio_direction_output(S5PC100_GPD(0), power);
  95
  96         if (power) {
  97                 /* module reset */
  98                 gpio_direction_output(S5PC100_GPH0(6), 1);
  99                 mdelay(100);
 100                 gpio_direction_output(S5PC100_GPH0(6), 0);
 101                 mdelay(10);
 102                 gpio_direction_output(S5PC100_GPH0(6), 1);
 103                 mdelay(10);
 104         }
 105 }
 106
 107 static struct plat_lcd_data smdkc100_lcd_power_data = {
 108         .set_power      = smdkc100_lcd_power_set,
 109 };
 110
 111 static struct platform_device smdkc100_lcd_powerdev = {
 112         .name                   = "platform-lcd",
 113         .dev.parent             = &s3c_device_fb.dev,
 114         .dev.platform_data      = &smdkc100_lcd_power_data,
 115 };
 116
 117 /* Frame Buffer */
 118 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 119         /* this is to ensure we use win0 */
 120         .win_mode       = {
 121                 .refresh        = 70,
 122                 .pixclock       = (8+13+3+800)*(7+5+1+480),
 123                 .left_margin    = 8,
 124                 .right_margin   = 13,
 125                 .upper_margin   = 7,
 126                 .lower_margin   = 5,
 127                 .hsync_len      = 3,
 128                 .vsync_len      = 1,
 129                 .xres           = 800,
 130                 .yres           = 480,
 131         },
 132         .max_bpp        = 32,
 133         .default_bpp    = 16,
 134 };
 135
 136 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
 137         .win[0]         = &smdkc100_fb_win0,
 138         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 139         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 140         .setup_gpio     = s5pc100_fb_gpio_setup_24bpp,
 141 };
 142
 143 static struct map_desc smdkc100_iodesc[] = {};
 144
 145 static struct platform_device *smdkc100_devices[] __initdata = {
 146         &s3c_device_i2c0,
 147         &s3c_device_i2c1,
 148         &s3c_device_fb,
 149         &s3c_device_hsmmc0,
 150         &s3c_device_hsmmc1,
 151         &s3c_device_hsmmc2,
 152         &smdkc100_lcd_powerdev,
 153 };
 154
 155 static void __init smdkc100_map_io(void)
 156 {
 157         s5pc1xx_init_io(smdkc100_iodesc, ARRAY_SIZE(smdkc100_iodesc));
 158         s3c24xx_init_clocks(12000000);
 159         s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 160 }
 161
 162 static void __init smdkc100_machine_init(void)
 163 {
 164         /* I2C */
 165         s3c_i2c0_set_platdata(NULL);
 166         s3c_i2c1_set_platdata(NULL);
 167         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 168         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 169
 170         s3c_fb_set_platdata(&smdkc100_lcd_pdata);
 171
 172         /* LCD init */
 173         gpio_request(S5PC100_GPD(0), "GPD");
 174         gpio_request(S5PC100_GPH0(6), "GPH0");
 175         smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
 176         platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
 177 }
 178
 179 MACHINE_START(SMDKC100, "SMDKC100")
 180         /* Maintainer: Byungho Min <bhmin@samsung.com> */
 181         .phys_io        = S5PC100_PA_UART & 0xfff00000,
 182         .io_pg_offst    = (((u32)S5PC1XX_VA_UART) >> 18) & 0xfffc,
 183         .boot_params    = S5PC100_PA_SDRAM + 0x100,
 184
 185         .init_irq       = s5pc100_init_irq,
 186         .map_io         = smdkc100_map_io,
 187         .init_machine   = smdkc100_machine_init,
 188         .timer          = &s3c24xx_timer,
 189 MACHINE_END