arch/arm/mach-s5p64x0/mach-smdk6450.c

   1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *              http://www.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 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/delay.h>
  17 #include <linux/init.h>
  18 #include <linux/i2c.h>
  19 #include <linux/serial_core.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/io.h>
  22 #include <linux/module.h>
  23 #include <linux/clk.h>
  24 #include <linux/gpio.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/irq.h>
  29 #include <asm/mach-types.h>
  30
  31 #include <mach/hardware.h>
  32 #include <mach/map.h>
  33 #include <mach/regs-clock.h>
  34 #include <mach/i2c.h>
  35
  36 #include <plat/regs-serial.h>
  37 #include <plat/gpio-cfg.h>
  38 #include <plat/s5p6450.h>
  39 #include <plat/clock.h>
  40 #include <plat/devs.h>
  41 #include <plat/cpu.h>
  42 #include <plat/iic.h>
  43 #include <plat/pll.h>
  44 #include <plat/adc.h>
  45 #include <plat/ts.h>
  46
  47 #define SMDK6450_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 SMDK6450_ULCON_DEFAULT  S3C2410_LCON_CS8
  55
  56 #define SMDK6450_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  57                                 S3C2440_UFCON_TXTRIG16 |        \
  58                                 S3C2410_UFCON_RXTRIG8)
  59
  60 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport         = 0,
  63                 .flags          = 0,
  64                 .ucon           = SMDK6450_UCON_DEFAULT,
  65                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  66                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  67         },
  68         [1] = {
  69                 .hwport         = 1,
  70                 .flags          = 0,
  71                 .ucon           = SMDK6450_UCON_DEFAULT,
  72                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  73                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  74         },
  75         [2] = {
  76                 .hwport         = 2,
  77                 .flags          = 0,
  78                 .ucon           = SMDK6450_UCON_DEFAULT,
  79                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  80                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  81         },
  82         [3] = {
  83                 .hwport         = 3,
  84                 .flags          = 0,
  85                 .ucon           = SMDK6450_UCON_DEFAULT,
  86                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  87                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  88         },
  89 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
  90         [4] = {
  91                 .hwport         = 4,
  92                 .flags          = 0,
  93                 .ucon           = SMDK6450_UCON_DEFAULT,
  94                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  95                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  96         },
  97 #endif
  98 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
  99         [5] = {
 100                 .hwport         = 5,
 101                 .flags          = 0,
 102                 .ucon           = SMDK6450_UCON_DEFAULT,
 103                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 104                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 105         },
 106 #endif
 107 };
 108
 109 static struct platform_device *smdk6450_devices[] __initdata = {
 110         &s3c_device_adc,
 111         &s3c_device_rtc,
 112         &s3c_device_i2c0,
 113         &s3c_device_i2c1,
 114         &s3c_device_ts,
 115         &s3c_device_wdt,
 116         &samsung_asoc_dma,
 117         &s5p6450_device_iis0,
 118         /* s5p6450_device_spi0 will be added */
 119 };
 120
 121 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
 122         .flags          = 0,
 123         .slave_addr     = 0x10,
 124         .frequency      = 100*1000,
 125         .sda_delay      = 100,
 126         .cfg_gpio       = s5p6450_i2c0_cfg_gpio,
 127 };
 128
 129 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
 130         .flags          = 0,
 131         .bus_num        = 1,
 132         .slave_addr     = 0x10,
 133         .frequency      = 100*1000,
 134         .sda_delay      = 100,
 135         .cfg_gpio       = s5p6450_i2c1_cfg_gpio,
 136 };
 137
 138 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
 139         { I2C_BOARD_INFO("wm8580", 0x1b), },
 140         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung KS24C080C EEPROM */
 141 };
 142
 143 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
 144         { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
 145 };
 146
 147 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 148         .delay                  = 10000,
 149         .presc                  = 49,
 150         .oversampling_shift     = 2,
 151 };
 152
 153 static void __init smdk6450_map_io(void)
 154 {
 155         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 156         s3c24xx_init_clocks(19200000);
 157         s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 158 }
 159
 160 static void __init smdk6450_machine_init(void)
 161 {
 162         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 163
 164         s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
 165         s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
 166         i2c_register_board_info(0, smdk6450_i2c_devs0,
 167                         ARRAY_SIZE(smdk6450_i2c_devs0));
 168         i2c_register_board_info(1, smdk6450_i2c_devs1,
 169                         ARRAY_SIZE(smdk6450_i2c_devs1));
 170
 171         platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
 172 }
 173
 174 MACHINE_START(SMDK6450, "SMDK6450")
 175         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 176         .boot_params    = S5P64X0_PA_SDRAM + 0x100,
 177
 178         .init_irq       = s5p6450_init_irq,
 179         .map_io         = smdk6450_map_io,
 180         .init_machine   = smdk6450_machine_init,
 181         .timer          = &s3c24xx_timer,
 182 MACHINE_END