arch/arm/mach-s5p6442/mach-smdk6442.c

   1 /* linux/arch/arm/mach-s5p6442/mach-smdk6442.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/init.h>
  14 #include <linux/serial_core.h>
  15 #include <linux/i2c.h>
  16
  17 #include <asm/mach/arch.h>
  18 #include <asm/mach/map.h>
  19 #include <asm/setup.h>
  20 #include <asm/mach-types.h>
  21
  22 #include <mach/map.h>
  23 #include <mach/regs-clock.h>
  24
  25 #include <plat/regs-serial.h>
  26 #include <plat/s5p6442.h>
  27 #include <plat/devs.h>
  28 #include <plat/cpu.h>
  29 #include <plat/iic.h>
  30
  31 /* Following are default values for UCON, ULCON and UFCON UART registers */
  32 #define SMDK6442_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  33                                  S3C2410_UCON_RXILEVEL |        \
  34                                  S3C2410_UCON_TXIRQMODE |       \
  35                                  S3C2410_UCON_RXIRQMODE |       \
  36                                  S3C2410_UCON_RXFIFO_TOI |      \
  37                                  S3C2443_UCON_RXERR_IRQEN)
  38
  39 #define SMDK6442_ULCON_DEFAULT  S3C2410_LCON_CS8
  40
  41 #define SMDK6442_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  42                                  S5PV210_UFCON_TXTRIG4 |        \
  43                                  S5PV210_UFCON_RXTRIG4)
  44
  45 static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = {
  46         [0] = {
  47                 .hwport         = 0,
  48                 .flags          = 0,
  49                 .ucon           = SMDK6442_UCON_DEFAULT,
  50                 .ulcon          = SMDK6442_ULCON_DEFAULT,
  51                 .ufcon          = SMDK6442_UFCON_DEFAULT,
  52         },
  53         [1] = {
  54                 .hwport         = 1,
  55                 .flags          = 0,
  56                 .ucon           = SMDK6442_UCON_DEFAULT,
  57                 .ulcon          = SMDK6442_ULCON_DEFAULT,
  58                 .ufcon          = SMDK6442_UFCON_DEFAULT,
  59         },
  60         [2] = {
  61                 .hwport         = 2,
  62                 .flags          = 0,
  63                 .ucon           = SMDK6442_UCON_DEFAULT,
  64                 .ulcon          = SMDK6442_ULCON_DEFAULT,
  65                 .ufcon          = SMDK6442_UFCON_DEFAULT,
  66         },
  67 };
  68
  69 static struct platform_device *smdk6442_devices[] __initdata = {
  70         &s3c_device_i2c0,
  71         &samsung_asoc_dma,
  72         &s5p6442_device_iis0,
  73         &s3c_device_wdt,
  74 };
  75
  76 static struct i2c_board_info smdk6442_i2c_devs0[] __initdata = {
  77         { I2C_BOARD_INFO("wm8580", 0x1b), },
  78 };
  79
  80 static void __init smdk6442_map_io(void)
  81 {
  82         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
  83         s3c24xx_init_clocks(12000000);
  84         s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs));
  85 }
  86
  87 static void __init smdk6442_machine_init(void)
  88 {
  89         s3c_i2c0_set_platdata(NULL);
  90         i2c_register_board_info(0, smdk6442_i2c_devs0,
  91                         ARRAY_SIZE(smdk6442_i2c_devs0));
  92         platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices));
  93 }
  94
  95 MACHINE_START(SMDK6442, "SMDK6442")
  96         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
  97         .boot_params    = S5P_PA_SDRAM + 0x100,
  98         .init_irq       = s5p6442_init_irq,
  99         .map_io         = smdk6442_map_io,
 100         .init_machine   = smdk6442_machine_init,
 101         .timer          = &s3c24xx_timer,
 102 MACHINE_END