arch/arm/mach-s5p64x0/mach-smdk6440.c

   1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
   2  *
   3  * Copyright (c) 2009-2010 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/s5p6440.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 SMDK6440_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 SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  55
  56 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  57                                 S3C2440_UFCON_TXTRIG16 |        \
  58                                 S3C2410_UFCON_RXTRIG8)
  59
  60 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport         = 0,
  63                 .flags          = 0,
  64                 .ucon           = SMDK6440_UCON_DEFAULT,
  65                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  66                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  67         },
  68         [1] = {
  69                 .hwport         = 1,
  70                 .flags          = 0,
  71                 .ucon           = SMDK6440_UCON_DEFAULT,
  72                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  73                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  74         },
  75         [2] = {
  76                 .hwport         = 2,
  77                 .flags          = 0,
  78                 .ucon           = SMDK6440_UCON_DEFAULT,
  79                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  80                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  81         },
  82         [3] = {
  83                 .hwport         = 3,
  84                 .flags          = 0,
  85                 .ucon           = SMDK6440_UCON_DEFAULT,
  86                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  87                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  88         },
  89 };
  90
  91 static struct platform_device *smdk6440_devices[] __initdata = {
  92         &s3c_device_adc,
  93         &s3c_device_rtc,
  94         &s3c_device_i2c0,
  95         &s3c_device_i2c1,
  96         &s3c_device_ts,
  97         &s3c_device_wdt,
  98         &s5p6440_device_iis,
  99 };
 100
 101 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 102         .flags          = 0,
 103         .slave_addr     = 0x10,
 104         .frequency      = 100*1000,
 105         .sda_delay      = 100,
 106         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 107 };
 108
 109 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 110         .flags          = 0,
 111         .bus_num        = 1,
 112         .slave_addr     = 0x10,
 113         .frequency      = 100*1000,
 114         .sda_delay      = 100,
 115         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 116 };
 117
 118 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 119         { I2C_BOARD_INFO("24c08", 0x50), },
 120 };
 121
 122 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 123         /* To be populated */
 124 };
 125
 126 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 127         .delay                  = 10000,
 128         .presc                  = 49,
 129         .oversampling_shift     = 2,
 130 };
 131
 132 static void __init smdk6440_map_io(void)
 133 {
 134         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 135         s3c24xx_init_clocks(12000000);
 136         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 137 }
 138
 139 static void __init smdk6440_machine_init(void)
 140 {
 141         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 142
 143         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 144         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 145         i2c_register_board_info(0, smdk6440_i2c_devs0,
 146                         ARRAY_SIZE(smdk6440_i2c_devs0));
 147         i2c_register_board_info(1, smdk6440_i2c_devs1,
 148                         ARRAY_SIZE(smdk6440_i2c_devs1));
 149
 150         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 151 }
 152
 153 MACHINE_START(SMDK6440, "SMDK6440")
 154         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 155         .boot_params    = S5P64X0_PA_SDRAM + 0x100,
 156
 157         .init_irq       = s5p6440_init_irq,
 158         .map_io         = smdk6440_map_io,
 159         .init_machine   = smdk6440_machine_init,
 160         .timer          = &s3c24xx_timer,
 161 MACHINE_END