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/platform_device.h>
  24 #include <linux/io.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <mach/hardware.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <plat/regs-serial.h>
  35 #include <mach/regs-gpio.h>
  36 #include <mach/regs-lcd.h>
  37
  38 #include <mach/idle.h>
  39 #include <mach/fb.h>
  40 #include <linux/platform_data/i2c-s3c2410.h>
  41
  42 #include <plat/s3c2410.h>
  43 #include <plat/s3c2443.h>
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47
  48 #include <plat/common-smdk.h>
  49
  50 static struct map_desc smdk2443_iodesc[] __initdata = {
  51         /* ISA IO Space map (memory space selected by A24) */
  52
  53         {
  54                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  55                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  56                 .length         = 0x10000,
  57                 .type           = MT_DEVICE,
  58         }, {
  59                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  60                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  61                 .length         = SZ_4M,
  62                 .type           = MT_DEVICE,
  63         }, {
  64                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  65                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  66                 .length         = 0x10000,
  67                 .type           = MT_DEVICE,
  68         }, {
  69                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  70                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  71                 .length         = SZ_4M,
  72                 .type           = MT_DEVICE,
  73         }
  74 };
  75
  76 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  77 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  78 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  79
  80 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
  81         [0] = {
  82                 .hwport      = 0,
  83                 .flags       = 0,
  84                 .ucon        = 0x3c5,
  85                 .ulcon       = 0x03,
  86                 .ufcon       = 0x51,
  87         },
  88         [1] = {
  89                 .hwport      = 1,
  90                 .flags       = 0,
  91                 .ucon        = 0x3c5,
  92                 .ulcon       = 0x03,
  93                 .ufcon       = 0x51,
  94         },
  95         /* IR port */
  96         [2] = {
  97                 .hwport      = 2,
  98                 .flags       = 0,
  99                 .ucon        = 0x3c5,
 100                 .ulcon       = 0x43,
 101                 .ufcon       = 0x51,
 102         },
 103         [3] = {
 104                 .hwport      = 3,
 105                 .flags       = 0,
 106                 .ucon        = 0x3c5,
 107                 .ulcon       = 0x03,
 108                 .ufcon       = 0x51,
 109         }
 110 };
 111
 112 static struct platform_device *smdk2443_devices[] __initdata = {
 113         &s3c_device_wdt,
 114         &s3c_device_i2c0,
 115         &s3c_device_hsmmc1,
 116 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 117         &s3c_device_ac97,
 118 #endif
 119 };
 120
 121 static void __init smdk2443_map_io(void)
 122 {
 123         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 124         s3c24xx_init_clocks(12000000);
 125         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 126 }
 127
 128 static void __init smdk2443_machine_init(void)
 129 {
 130         s3c_i2c0_set_platdata(NULL);
 131
 132 #ifdef CONFIG_SND_SOC_SMDK2443_WM9710
 133         s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
 134 #endif
 135
 136         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 137         smdk_machine_init();
 138 }
 139
 140 MACHINE_START(SMDK2443, "SMDK2443")
 141         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 142         .atag_offset    = 0x100,
 143
 144         .init_irq       = s3c24xx_init_irq,
 145         .map_io         = smdk2443_map_io,
 146         .init_machine   = smdk2443_machine_init,
 147         .timer          = &s3c24xx_timer,
 148         .restart        = s3c2443_restart,
 149 MACHINE_END