arch/arm/mach-s3c64xx/mach-smdk6400.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright 2008 Simtec Electronics
   4 //      Ben Dooks <ben@simtec.co.uk>
   5 //      http://armlinux.simtec.co.uk/
   6
   7 #include <linux/kernel.h>
   8 #include <linux/types.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/list.h>
  11 #include <linux/timer.h>
  12 #include <linux/init.h>
  13 #include <linux/serial_core.h>
  14 #include <linux/serial_s3c.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/i2c.h>
  17 #include <linux/io.h>
  18
  19 #include <asm/mach-types.h>
  20
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/map.h>
  23 #include <asm/mach/irq.h>
  24
  25 #include <mach/irqs.h>
  26 #include <mach/hardware.h>
  27 #include <mach/map.h>
  28
  29 #include <plat/devs.h>
  30 #include <plat/cpu.h>
  31 #include <linux/platform_data/i2c-s3c2410.h>
  32 #include <mach/gpio-samsung.h>
  33 #include <plat/samsung-time.h>
  34
  35 #include "common.h"
  36
  37 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  38 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  39 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  40
  41 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  42         [0] = {
  43                 .hwport      = 0,
  44                 .flags       = 0,
  45                 .ucon        = 0x3c5,
  46                 .ulcon       = 0x03,
  47                 .ufcon       = 0x51,
  48         },
  49         [1] = {
  50                 .hwport      = 1,
  51                 .flags       = 0,
  52                 .ucon        = 0x3c5,
  53                 .ulcon       = 0x03,
  54                 .ufcon       = 0x51,
  55         },
  56 };
  57
  58 static struct map_desc smdk6400_iodesc[] = {};
  59
  60 static void __init smdk6400_map_io(void)
  61 {
  62         s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  63         s3c64xx_set_xtal_freq(12000000);
  64         s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  65         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
  66 }
  67
  68 static struct platform_device *smdk6400_devices[] __initdata = {
  69         &s3c_device_hsmmc1,
  70         &s3c_device_i2c0,
  71 };
  72
  73 static struct i2c_board_info i2c_devs[] __initdata = {
  74         { I2C_BOARD_INFO("wm8753", 0x1A), },
  75         { I2C_BOARD_INFO("24c08", 0x50), },
  76 };
  77
  78 static void __init smdk6400_machine_init(void)
  79 {
  80         i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  81         platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  82 }
  83
  84 MACHINE_START(SMDK6400, "SMDK6400")
  85         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
  86         .atag_offset    = 0x100,
  87         .nr_irqs        = S3C64XX_NR_IRQS,
  88         .init_irq       = s3c6400_init_irq,
  89         .map_io         = smdk6400_map_io,
  90         .init_machine   = smdk6400_machine_init,
  91         .init_time      = samsung_timer_init,
  92         .restart        = s3c64xx_restart,
  93 MACHINE_END