release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-s5p6440/mach-smdk6440.c

   1 /* linux/arch/arm/mach-s5p6440/mach-smdk6440.c
   2  *
   3  * Copyright (c) 2009 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
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27
  28 #include <mach/hardware.h>
  29 #include <mach/map.h>
  30
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <plat/regs-serial.h>
  35
  36 #include <plat/s5p6440.h>
  37 #include <plat/clock.h>
  38 #include <mach/regs-clock.h>
  39 #include <plat/devs.h>
  40 #include <plat/cpu.h>
  41 #include <plat/iic.h>
  42 #include <plat/pll.h>
  43 #include <plat/adc.h>
  44 #include <plat/ts.h>
  45
  46 #define SMDK6440_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  47                                 S3C2410_UCON_RXILEVEL |         \
  48                                 S3C2410_UCON_TXIRQMODE |        \
  49                                 S3C2410_UCON_RXIRQMODE |        \
  50                                 S3C2410_UCON_RXFIFO_TOI |       \
  51                                 S3C2443_UCON_RXERR_IRQEN)
  52
  53 #define SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  54
  55 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  56                                 S3C2440_UFCON_TXTRIG16 |        \
  57                                 S3C2410_UFCON_RXTRIG8)
  58
  59 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  60         [0] = {
  61                 .hwport      = 0,
  62                 .flags       = 0,
  63                 .ucon        = SMDK6440_UCON_DEFAULT,
  64                 .ulcon       = SMDK6440_ULCON_DEFAULT,
  65                 .ufcon       = SMDK6440_UFCON_DEFAULT,
  66         },
  67         [1] = {
  68                 .hwport      = 1,
  69                 .flags       = 0,
  70                 .ucon        = SMDK6440_UCON_DEFAULT,
  71                 .ulcon       = SMDK6440_ULCON_DEFAULT,
  72                 .ufcon       = SMDK6440_UFCON_DEFAULT,
  73         },
  74         [2] = {
  75                 .hwport      = 2,
  76                 .flags       = 0,
  77                 .ucon        = SMDK6440_UCON_DEFAULT,
  78                 .ulcon       = SMDK6440_ULCON_DEFAULT,
  79                 .ufcon       = SMDK6440_UFCON_DEFAULT,
  80         },
  81         [3] = {
  82                 .hwport      = 3,
  83                 .flags       = 0,
  84                 .ucon        = SMDK6440_UCON_DEFAULT,
  85                 .ulcon       = SMDK6440_ULCON_DEFAULT,
  86                 .ufcon       = SMDK6440_UFCON_DEFAULT,
  87         },
  88 };
  89
  90 static struct platform_device *smdk6440_devices[] __initdata = {
  91         &s5p6440_device_iis,
  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 };
  99
 100 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 101         { I2C_BOARD_INFO("24c08", 0x50), },
 102 };
 103
 104 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 105         /* To be populated */
 106 };
 107
 108 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 109         .delay                  = 10000,
 110         .presc                  = 49,
 111         .oversampling_shift     = 2,
 112 };
 113
 114 static void __init smdk6440_map_io(void)
 115 {
 116         s5p_init_io(NULL, 0, S5P_SYS_ID);
 117         s3c24xx_init_clocks(12000000);
 118         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 119 }
 120
 121 static void __init smdk6440_machine_init(void)
 122 {
 123         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 124
 125         /* I2C */
 126         s3c_i2c0_set_platdata(NULL);
 127         s3c_i2c1_set_platdata(NULL);
 128         i2c_register_board_info(0, smdk6440_i2c_devs0,
 129                         ARRAY_SIZE(smdk6440_i2c_devs0));
 130         i2c_register_board_info(1, smdk6440_i2c_devs1,
 131                         ARRAY_SIZE(smdk6440_i2c_devs1));
 132
 133         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 134 }
 135
 136 MACHINE_START(SMDK6440, "SMDK6440")
 137         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 138         .phys_io        = S3C_PA_UART & 0xfff00000,
 139         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 140         .boot_params    = S5P_PA_SDRAM + 0x100,
 141
 142         .init_irq       = s5p6440_init_irq,
 143         .map_io         = smdk6440_map_io,
 144         .init_machine   = smdk6440_machine_init,
 145         .timer          = &s3c24xx_timer,
 146 MACHINE_END