LXR linux/arch/arm/mach-s3c/mach-smdk2410.c

   1// SPDX-License-Identifier: GPL-2.0+
   2//
   3// Copyright (C) 2004 by FS Forth-Systeme GmbH
   4// All rights reserved.
   5//
   6// @Author: Jonas Dietsche
   7//
   8// @History:
   9// derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
  10// Ben Dooks <ben@simtec.co.uk>
  11
  12#include <linux/kernel.h>
  13#include <linux/types.h>
  14#include <linux/interrupt.h>
  15#include <linux/list.h>
  16#include <linux/timer.h>
  17#include <linux/init.h>
  18#include <linux/serial_core.h>
  19#include <linux/serial_s3c.h>
  20#include <linux/platform_device.h>
  21#include <linux/io.h>
  22#include "gpio-samsung.h"
  23#include "gpio-cfg.h"
  24
  25#include <asm/mach/arch.h>
  26#include <asm/mach/map.h>
  27#include <asm/mach/irq.h>
  28
  29#include <asm/irq.h>
  30#include <asm/mach-types.h>
  31
  32#include <linux/platform_data/i2c-s3c2410.h>
  33
  34#include "devs.h"
  35#include "cpu.h"
  36
  37#include "s3c24xx.h"
  38#include "common-smdk-s3c24xx.h"
  39
  40static struct map_desc smdk2410_iodesc[] __initdata = {
  41  /* nothing here yet */
  42};
  43
  44#define UCON S3C2410_UCON_DEFAULT
  45#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  46#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  47
  48static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = {
  49        [0] = {
  50                .hwport      = 0,
  51                .flags       = 0,
  52                .ucon        = UCON,
  53                .ulcon       = ULCON,
  54                .ufcon       = UFCON,
  55        },
  56        [1] = {
  57                .hwport      = 1,
  58                .flags       = 0,
  59                .ucon        = UCON,
  60                .ulcon       = ULCON,
  61                .ufcon       = UFCON,
  62        },
  63        [2] = {
  64                .hwport      = 2,
  65                .flags       = 0,
  66                .ucon        = UCON,
  67                .ulcon       = ULCON,
  68                .ufcon       = UFCON,
  69        }
  70};
  71
  72static struct platform_device *smdk2410_devices[] __initdata = {
  73        &s3c_device_ohci,
  74        &s3c_device_lcd,
  75        &s3c_device_wdt,
  76        &s3c_device_i2c0,
  77        &s3c_device_iis,
  78};
  79
  80static void __init smdk2410_map_io(void)
  81{
  82        s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
  83        s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
  84        s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
  85}
  86
  87static void __init smdk2410_init_time(void)
  88{
  89        s3c2410_init_clocks(12000000);
  90        s3c24xx_timer_init();
  91}
  92
  93static void __init smdk2410_init(void)
  94{
  95        s3c_i2c0_set_platdata(NULL);
  96        platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
  97        /* Configure the I2S pins (GPE0...GPE4) in correct mode */
  98        s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
  99                              S3C_GPIO_PULL_NONE);
 100        smdk_machine_init();
 101}
 102
 103MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
 104                                    * to SMDK2410 */
 105        /* Maintainer: Jonas Dietsche */
 106        .atag_offset    = 0x100,
 107        .map_io         = smdk2410_map_io,
 108        .init_irq       = s3c2410_init_irq,
 109        .init_machine   = smdk2410_init,
 110        .init_time      = smdk2410_init_time,
 111MACHINE_END
 112