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

   1 /* linux/arch/arm/mach-s3c2443/mach-smdk2443.c
   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  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14 */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/types.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/list.h>
  20 #include <linux/timer.h>
  21 #include <linux/init.h>
  22 #include <linux/serial_core.h>
  23 #include <linux/serial_s3c.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/io.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <mach/regs-gpio.h>
  36 #include <mach/regs-lcd.h>
  37
  38 #include <mach/fb.h>
  39 #include <linux/platform_data/i2c-s3c2410.h>
  40
  41 #include <plat/clock.h>
  42 #include <plat/devs.h>
  43 #include <plat/cpu.h>
  44 #include <plat/samsung-time.h>
  45
  46 #include "common.h"
  47 #include "common-smdk.h"
  48
  49 static struct map_desc smdk2443_iodesc[] __initdata = {
  50         /* ISA IO Space map (memory space selected by A24) */
  51
  52         {
  53                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  54                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  55                 .length         = 0x10000,
  56                 .type           = MT_DEVICE,
  57         }, {
  58                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  59                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  60                 .length         = SZ_4M,
  61                 .type           = MT_DEVICE,
  62         }, {
  63                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  64                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  65                 .length         = 0x10000,
  66                 .type           = MT_DEVICE,
  67         }, {
  68                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  69                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  70                 .length         = SZ_4M,
  71                 .type           = MT_DEVICE,
  72         }
  73 };
  74
  75 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  76 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  77 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  78
  79 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
  80         [0] = {
  81                 .hwport      = 0,
  82                 .flags       = 0,
  83                 .ucon        = 0x3c5,
  84                 .ulcon       = 0x03,
  85                 .ufcon       = 0x51,
  86         },
  87         [1] = {
  88                 .hwport      = 1,
  89                 .flags       = 0,
  90                 .ucon        = 0x3c5,
  91                 .ulcon       = 0x03,
  92                 .ufcon       = 0x51,
  93         },
  94         /* IR port */
  95         [2] = {
  96                 .hwport      = 2,
  97                 .flags       = 0,
  98                 .ucon        = 0x3c5,
  99                 .ulcon       = 0x43,
 100                 .ufcon       = 0x51,
 101         },
 102         [3] = {
 103                 .hwport      = 3,
 104                 .flags       = 0,
 105                 .ucon        = 0x3c5,
 106                 .ulcon       = 0x03,
 107                 .ufcon       = 0x51,
 108         }
 109 };
 110
 111 static struct platform_device *smdk2443_devices[] __initdata = {
 112         &s3c_device_wdt,
 113         &s3c_device_i2c0,
 114         &s3c_device_hsmmc1,
 115 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 116         &s3c_device_ac97,
 117 #endif
 118         &s3c2443_device_dma,
 119 };
 120
 121 static void __init smdk2443_map_io(void)
 122 {
 123         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 124         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 125         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 126 }
 127
 128 static void __init smdk2443_init_time(void)
 129 {
 130         s3c2443_init_clocks(12000000);
 131         samsung_timer_init();
 132 }
 133
 134 static void __init smdk2443_machine_init(void)
 135 {
 136         s3c_i2c0_set_platdata(NULL);
 137
 138 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 139         s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
 140 #endif
 141
 142         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 143         smdk_machine_init();
 144 }
 145
 146 MACHINE_START(SMDK2443, "SMDK2443")
 147         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 148         .atag_offset    = 0x100,
 149
 150         .init_irq       = s3c2443_init_irq,
 151         .map_io         = smdk2443_map_io,
 152         .init_machine   = smdk2443_machine_init,
 153         .init_time      = smdk2443_init_time,
 154         .restart        = s3c2443_restart,
 155 MACHINE_END