arch/arm/mach-s3c2443/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
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/mach/irq.h>
  28
  29 #include <asm/hardware.h>
  30 #include <asm/io.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <asm/arch/regs-serial.h>
  35 #include <asm/arch/regs-gpio.h>
  36 #include <asm/arch/regs-lcd.h>
  37
  38 #include <asm/arch/idle.h>
  39 #include <asm/arch/fb.h>
  40
  41 #include <asm/plat-s3c24xx/s3c2410.h>
  42 #include <asm/plat-s3c24xx/s3c2440.h>
  43 #include <asm/plat-s3c24xx/clock.h>
  44 #include <asm/plat-s3c24xx/devs.h>
  45 #include <asm/plat-s3c24xx/cpu.h>
  46
  47 #include <asm/plat-s3c24xx/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 };
 103
 104 static struct platform_device *smdk2443_devices[] __initdata = {
 105         &s3c_device_wdt,
 106         &s3c_device_i2c,
 107 };
 108
 109 static void __init smdk2443_map_io(void)
 110 {
 111         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 112         s3c24xx_init_clocks(12000000);
 113         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 114 }
 115
 116 static void __init smdk2443_machine_init(void)
 117 {
 118         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 119         smdk_machine_init();
 120 }
 121
 122 MACHINE_START(SMDK2443, "SMDK2443")
 123         /* Maintainer: Ben Dooks <ben@fluff.org> */
 124         .phys_io        = S3C2410_PA_UART,
 125         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 126         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 127
 128         .init_irq       = s3c24xx_init_irq,
 129         .map_io         = smdk2443_map_io,
 130         .init_machine   = smdk2443_machine_init,
 131         .timer          = &s3c24xx_timer,
 132 MACHINE_END