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 /* Following are default values for UCON, ULCON and UFCON UART registers */
  47 #define S5PC100_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |        \
  48                                  S3C2410_UCON_RXILEVEL |        \
  49                                  S3C2410_UCON_TXIRQMODE |       \
  50                                  S3C2410_UCON_RXIRQMODE |       \
  51                                  S3C2410_UCON_RXFIFO_TOI |      \
  52                                  S3C2443_UCON_RXERR_IRQEN)
  53
  54 #define S5PC100_ULCON_DEFAULT   S3C2410_LCON_CS8
  55
  56 #define S5PC100_UFCON_DEFAULT   (S3C2410_UFCON_FIFOMODE |       \
  57                                  S3C2440_UFCON_RXTRIG8 |        \
  58                                  S3C2440_UFCON_TXTRIG16)
  59
  60 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport      = 0,
  63                 .flags       = 0,
  64                 .ucon        = S5PC100_UCON_DEFAULT,
  65                 .ulcon       = S5PC100_ULCON_DEFAULT,
  66                 .ufcon       = S5PC100_UFCON_DEFAULT,
  67         },
  68         [1] = {
  69                 .hwport      = 1,
  70                 .flags       = 0,
  71                 .ucon        = S5PC100_UCON_DEFAULT,
  72                 .ulcon       = S5PC100_ULCON_DEFAULT,
  73                 .ufcon       = S5PC100_UFCON_DEFAULT,
  74         },
  75         [2] = {
  76                 .hwport      = 2,
  77                 .flags       = 0,
  78                 .ucon        = S5PC100_UCON_DEFAULT,
  79                 .ulcon       = S5PC100_ULCON_DEFAULT,
  80                 .ufcon       = S5PC100_UFCON_DEFAULT,
  81         },
  82         [3] = {
  83                 .hwport      = 3,
  84                 .flags       = 0,
  85                 .ucon        = S5PC100_UCON_DEFAULT,
  86                 .ulcon       = S5PC100_ULCON_DEFAULT,
  87                 .ufcon       = S5PC100_UFCON_DEFAULT,
  88         },
  89 };
  90
  91 /* I2C0 */
  92 static struct i2c_board_info i2c_devs0[] __initdata = {
  93 };
  94
  95 /* I2C1 */
  96 static struct i2c_board_info i2c_devs1[] __initdata = {
  97 };
  98
  99 /* LCD power controller */
 100 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
 101                                    unsigned int power)
 102 {
 103         /* backlight */
 104         gpio_direction_output(S5PC100_GPD(0), power);
 105
 106         if (power) {
 107                 /* module reset */
 108                 gpio_direction_output(S5PC100_GPH0(6), 1);
 109                 mdelay(100);
 110                 gpio_direction_output(S5PC100_GPH0(6), 0);
 111                 mdelay(10);
 112                 gpio_direction_output(S5PC100_GPH0(6), 1);
 113                 mdelay(10);
 114         }
 115 }
 116
 117 static struct plat_lcd_data smdkc100_lcd_power_data = {
 118         .set_power      = smdkc100_lcd_power_set,
 119 };
 120
 121 static struct platform_device smdkc100_lcd_powerdev = {
 122         .name                   = "platform-lcd",
 123         .dev.parent             = &s3c_device_fb.dev,
 124         .dev.platform_data      = &smdkc100_lcd_power_data,
 125 };
 126
 127 /* Frame Buffer */
 128 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 129         /* this is to ensure we use win0 */
 130         .win_mode       = {
 131                 .pixclock = 1000000000000ULL / ((8+13+3+800)*(7+5+1+480)*80),
 132                 .left_margin    = 8,
 133                 .right_margin   = 13,
 134                 .upper_margin   = 7,
 135                 .lower_margin   = 5,
 136                 .hsync_len      = 3,
 137                 .vsync_len      = 1,
 138                 .xres           = 800,
 139                 .yres           = 480,
 140         },
 141         .max_bpp        = 32,
 142         .default_bpp    = 16,
 143 };
 144
 145 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
 146         .win[0]         = &smdkc100_fb_win0,
 147         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 148         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 149         .setup_gpio     = s5pc100_fb_gpio_setup_24bpp,
 150 };
 151
 152 static struct platform_device *smdkc100_devices[] __initdata = {
 153         &s3c_device_i2c0,
 154         &s3c_device_i2c1,
 155         &s3c_device_fb,
 156         &s3c_device_hsmmc0,
 157         &s3c_device_hsmmc1,
 158         &s3c_device_hsmmc2,
 159         &smdkc100_lcd_powerdev,
 160         &s5pc100_device_iis0,
 161         &s5pc100_device_ac97,
 162 };
 163
 164 static void __init smdkc100_map_io(void)
 165 {
 166         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 167         s3c24xx_init_clocks(12000000);
 168         s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 169 }
 170
 171 static void __init smdkc100_machine_init(void)
 172 {
 173         /* I2C */
 174         s3c_i2c0_set_platdata(NULL);
 175         s3c_i2c1_set_platdata(NULL);
 176         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 177         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 178
 179         s3c_fb_set_platdata(&smdkc100_lcd_pdata);
 180
 181         /* LCD init */
 182         gpio_request(S5PC100_GPD(0), "GPD");
 183         gpio_request(S5PC100_GPH0(6), "GPH0");
 184         smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
 185         platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
 186 }
 187
 188 MACHINE_START(SMDKC100, "SMDKC100")
 189         /* Maintainer: Byungho Min <bhmin@samsung.com> */
 190         .phys_io        = S3C_PA_UART & 0xfff00000,
 191         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 192         .boot_params    = S5P_PA_SDRAM + 0x100,
 193         .init_irq       = s5pc100_init_irq,
 194         .map_io         = smdkc100_map_io,
 195         .init_machine   = smdkc100_machine_init,
 196         .timer          = &s3c24xx_timer,
 197 MACHINE_END