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
  40 static 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
  48 static 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
  72 static 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
  80 static 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
  87 static void __init smdk2410_init_time(void)
  88 {
  89         s3c2410_init_clocks(12000000);
  90         s3c24xx_timer_init();
  91 }
  92
  93 static 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
 103 MACHINE_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,
 111 MACHINE_END