LXR linux/arch/arm/mach-s3c24xx/mach-smdk2443.c

   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// Copyright (c) 2007 Simtec Electronics
   4//      Ben Dooks <ben@simtec.co.uk>
   5//
   6// http://www.fluff.org/ben/smdk2443/
   7//
   8// Thanks to Samsung for the loan of an SMDK2443
   9
  10#include <linux/kernel.h>
  11#include <linux/types.h>
  12#include <linux/interrupt.h>
  13#include <linux/list.h>
  14#include <linux/timer.h>
  15#include <linux/init.h>
  16#include <linux/serial_core.h>
  17#include <linux/serial_s3c.h>
  18#include <linux/platform_device.h>
  19#include <linux/io.h>
  20
  21#include <asm/mach/arch.h>
  22#include <asm/mach/map.h>
  23#include <asm/mach/irq.h>
  24
  25#include <mach/hardware.h>
  26#include <asm/irq.h>
  27#include <asm/mach-types.h>
  28
  29#include <mach/regs-gpio.h>
  30#include <mach/regs-lcd.h>
  31
  32#include <mach/fb.h>
  33#include <linux/platform_data/i2c-s3c2410.h>
  34
  35#include <plat/devs.h>
  36#include <plat/cpu.h>
  37#include <plat/samsung-time.h>
  38
  39#include "common.h"
  40#include "common-smdk.h"
  41
  42static struct map_desc smdk2443_iodesc[] __initdata = {
  43        /* ISA IO Space map (memory space selected by A24) */
  44
  45        {
  46                .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  47                .pfn            = __phys_to_pfn(S3C2410_CS2),
  48                .length         = 0x10000,
  49                .type           = MT_DEVICE,
  50        }, {
  51                .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  52                .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  53                .length         = SZ_4M,
  54                .type           = MT_DEVICE,
  55        }, {
  56                .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  57                .pfn            = __phys_to_pfn(S3C2410_CS2),
  58                .length         = 0x10000,
  59                .type           = MT_DEVICE,
  60        }, {
  61                .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  62                .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  63                .length         = SZ_4M,
  64                .type           = MT_DEVICE,
  65        }
  66};
  67
  68#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  69#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  70#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  71
  72static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
  73        [0] = {
  74                .hwport      = 0,
  75                .flags       = 0,
  76                .ucon        = 0x3c5,
  77                .ulcon       = 0x03,
  78                .ufcon       = 0x51,
  79        },
  80        [1] = {
  81                .hwport      = 1,
  82                .flags       = 0,
  83                .ucon        = 0x3c5,
  84                .ulcon       = 0x03,
  85                .ufcon       = 0x51,
  86        },
  87        /* IR port */
  88        [2] = {
  89                .hwport      = 2,
  90                .flags       = 0,
  91                .ucon        = 0x3c5,
  92                .ulcon       = 0x43,
  93                .ufcon       = 0x51,
  94        },
  95        [3] = {
  96                .hwport      = 3,
  97                .flags       = 0,
  98                .ucon        = 0x3c5,
  99                .ulcon       = 0x03,
 100                .ufcon       = 0x51,
 101        }
 102};
 103
 104static struct platform_device *smdk2443_devices[] __initdata = {
 105        &s3c_device_wdt,
 106        &s3c_device_i2c0,
 107        &s3c_device_hsmmc1,
 108        &s3c2443_device_dma,
 109};
 110
 111static void __init smdk2443_map_io(void)
 112{
 113        s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 114        s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 115        samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 116}
 117
 118static void __init smdk2443_init_time(void)
 119{
 120        s3c2443_init_clocks(12000000);
 121        samsung_timer_init();
 122}
 123
 124static void __init smdk2443_machine_init(void)
 125{
 126        s3c_i2c0_set_platdata(NULL);
 127        platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 128        smdk_machine_init();
 129}
 130
 131MACHINE_START(SMDK2443, "SMDK2443")
 132        /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 133        .atag_offset    = 0x100,
 134
 135        .init_irq       = s3c2443_init_irq,
 136        .map_io         = smdk2443_map_io,
 137        .init_machine   = smdk2443_machine_init,
 138        .init_time      = smdk2443_init_time,
 139MACHINE_END
 140