arch/arm/mach-s3c/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 "map.h"
  27
  28 #include "devs.h"
  29 #include "cpu.h"
  30 #include <linux/platform_data/i2c-s3c2410.h>
  31 #include "gpio-samsung.h"
  32
  33 #include "s3c64xx.h"
  34
  35 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  36 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  37 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  38
  39 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  40         [0] = {
  41                 .hwport      = 0,
  42                 .flags       = 0,
  43                 .ucon        = 0x3c5,
  44                 .ulcon       = 0x03,
  45                 .ufcon       = 0x51,
  46         },
  47         [1] = {
  48                 .hwport      = 1,
  49                 .flags       = 0,
  50                 .ucon        = 0x3c5,
  51                 .ulcon       = 0x03,
  52                 .ufcon       = 0x51,
  53         },
  54 };
  55
  56 static struct map_desc smdk6400_iodesc[] = {};
  57
  58 static void __init smdk6400_map_io(void)
  59 {
  60         s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  61         s3c64xx_set_xtal_freq(12000000);
  62         s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  63         s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4);
  64 }
  65
  66 static struct platform_device *smdk6400_devices[] __initdata = {
  67         &s3c_device_hsmmc1,
  68         &s3c_device_i2c0,
  69 };
  70
  71 static struct i2c_board_info i2c_devs[] __initdata = {
  72         { I2C_BOARD_INFO("wm8753", 0x1A), },
  73         { I2C_BOARD_INFO("24c08", 0x50), },
  74 };
  75
  76 static void __init smdk6400_machine_init(void)
  77 {
  78         i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  79         platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  80 }
  81
  82 MACHINE_START(SMDK6400, "SMDK6400")
  83         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
  84         .atag_offset    = 0x100,
  85         .nr_irqs        = S3C64XX_NR_IRQS,
  86         .init_irq       = s3c6400_init_irq,
  87         .map_io         = smdk6400_map_io,
  88         .init_machine   = smdk6400_machine_init,
  89         .init_time      = s3c64xx_timer_init,
  90 MACHINE_END