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/devs.h>
  42 #include <plat/cpu.h>
  43 #include <plat/samsung-time.h>
  44
  45 #include "common.h"
  46 #include "common-smdk.h"
  47
  48 static struct map_desc smdk2443_iodesc[] __initdata = {
  49         /* ISA IO Space map (memory space selected by A24) */
  50
  51         {
  52                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  53                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  54                 .length         = 0x10000,
  55                 .type           = MT_DEVICE,
  56         }, {
  57                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  58                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  59                 .length         = SZ_4M,
  60                 .type           = MT_DEVICE,
  61         }, {
  62                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  63                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  64                 .length         = 0x10000,
  65                 .type           = MT_DEVICE,
  66         }, {
  67                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  68                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  69                 .length         = SZ_4M,
  70                 .type           = MT_DEVICE,
  71         }
  72 };
  73
  74 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  75 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  76 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  77
  78 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
  79         [0] = {
  80                 .hwport      = 0,
  81                 .flags       = 0,
  82                 .ucon        = 0x3c5,
  83                 .ulcon       = 0x03,
  84                 .ufcon       = 0x51,
  85         },
  86         [1] = {
  87                 .hwport      = 1,
  88                 .flags       = 0,
  89                 .ucon        = 0x3c5,
  90                 .ulcon       = 0x03,
  91                 .ufcon       = 0x51,
  92         },
  93         /* IR port */
  94         [2] = {
  95                 .hwport      = 2,
  96                 .flags       = 0,
  97                 .ucon        = 0x3c5,
  98                 .ulcon       = 0x43,
  99                 .ufcon       = 0x51,
 100         },
 101         [3] = {
 102                 .hwport      = 3,
 103                 .flags       = 0,
 104                 .ucon        = 0x3c5,
 105                 .ulcon       = 0x03,
 106                 .ufcon       = 0x51,
 107         }
 108 };
 109
 110 static struct platform_device *smdk2443_devices[] __initdata = {
 111         &s3c_device_wdt,
 112         &s3c_device_i2c0,
 113         &s3c_device_hsmmc1,
 114 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 115         &s3c_device_ac97,
 116 #endif
 117         &s3c2443_device_dma,
 118 };
 119
 120 static void __init smdk2443_map_io(void)
 121 {
 122         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 123         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 124         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 125 }
 126
 127 static void __init smdk2443_init_time(void)
 128 {
 129         s3c2443_init_clocks(12000000);
 130         samsung_timer_init();
 131 }
 132
 133 static void __init smdk2443_machine_init(void)
 134 {
 135         s3c_i2c0_set_platdata(NULL);
 136
 137 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 138         s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
 139 #endif
 140
 141         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 142         smdk_machine_init();
 143 }
 144
 145 MACHINE_START(SMDK2443, "SMDK2443")
 146         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 147         .atag_offset    = 0x100,
 148
 149         .init_irq       = s3c2443_init_irq,
 150         .map_io         = smdk2443_map_io,
 151         .init_machine   = smdk2443_machine_init,
 152         .init_time      = smdk2443_init_time,
 153         .restart        = s3c2443_restart,
 154 MACHINE_END