arch/arm/mach-s3c2410/mach-smdk2440.c

   1 /* linux/arch/arm/mach-s3c2410/mach-smdk2440.c
   2  *
   3  * Copyright (c) 2004,2005 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.fluff.org/ben/smdk2440/
   7  *
   8  * Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
   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  * Modifications:
  15  *      01-Nov-2004 BJD   Initial version
  16  *      12-Nov-2004 BJD   Updated for release
  17  *      04-Jan-2005 BJD   Fixes for pre-release
  18  *      22-Feb-2005 BJD   Updated for 2.6.11-rc5 relesa
  19  *      10-Mar-2005 LCVR  Replaced S3C2410_VA by S3C24XX_VA
  20  *      14-Mar-2005 BJD   void __iomem fixes
  21 */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/types.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/list.h>
  27 #include <linux/timer.h>
  28 #include <linux/init.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32 #include <asm/mach/irq.h>
  33
  34 #include <asm/hardware.h>
  35 #include <asm/hardware/iomd.h>
  36 #include <asm/io.h>
  37 #include <asm/irq.h>
  38 #include <asm/mach-types.h>
  39
  40 //#include <asm/debug-ll.h>
  41 #include <asm/arch/regs-serial.h>
  42 #include <asm/arch/regs-gpio.h>
  43 #include <asm/arch/idle.h>
  44
  45 #include "s3c2410.h"
  46 #include "s3c2440.h"
  47 #include "clock.h"
  48 #include "devs.h"
  49 #include "cpu.h"
  50 #include "pm.h"
  51
  52 static struct map_desc smdk2440_iodesc[] __initdata = {
  53         /* ISA IO Space map (memory space selected by A24) */
  54
  55         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
  56         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
  57 };
  58
  59 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  60 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  61 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  62
  63 static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
  64         [0] = {
  65                 .hwport      = 0,
  66                 .flags       = 0,
  67                 .ucon        = 0x3c5,
  68                 .ulcon       = 0x03,
  69                 .ufcon       = 0x51,
  70         },
  71         [1] = {
  72                 .hwport      = 1,
  73                 .flags       = 0,
  74                 .ucon        = 0x3c5,
  75                 .ulcon       = 0x03,
  76                 .ufcon       = 0x51,
  77         },
  78         /* IR port */
  79         [2] = {
  80                 .hwport      = 2,
  81                 .flags       = 0,
  82                 .ucon        = 0x3c5,
  83                 .ulcon       = 0x43,
  84                 .ufcon       = 0x51,
  85         }
  86 };
  87
  88 static struct platform_device *smdk2440_devices[] __initdata = {
  89         &s3c_device_usb,
  90         &s3c_device_lcd,
  91         &s3c_device_wdt,
  92         &s3c_device_i2c,
  93         &s3c_device_iis,
  94 };
  95
  96 static struct s3c24xx_board smdk2440_board __initdata = {
  97         .devices       = smdk2440_devices,
  98         .devices_count = ARRAY_SIZE(smdk2440_devices)
  99 };
 100
 101 void __init smdk2440_map_io(void)
 102 {
 103         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 104         s3c24xx_init_clocks(16934400);
 105         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 106         s3c24xx_set_board(&smdk2440_board);
 107 }
 108
 109 void __init smdk2440_machine_init(void)
 110 {
 111         /* Configure the LEDs (even if we have no LED support)*/
 112
 113         s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
 114         s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
 115         s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
 116         s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
 117
 118         s3c2410_gpio_setpin(S3C2410_GPF4, 0);
 119         s3c2410_gpio_setpin(S3C2410_GPF5, 0);
 120         s3c2410_gpio_setpin(S3C2410_GPF6, 0);
 121         s3c2410_gpio_setpin(S3C2410_GPF7, 0);
 122
 123         s3c2410_pm_init();
 124 }
 125
 126 MACHINE_START(S3C2440, "SMDK2440")
 127         /* Maintainer: Ben Dooks <ben@fluff.org> */
 128         .phys_ram       = S3C2410_SDRAM_PA,
 129         .phys_io        = S3C2410_PA_UART,
 130         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 131         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 132
 133         .init_irq       = s3c24xx_init_irq,
 134         .map_io         = smdk2440_map_io,
 135         .init_machine   = smdk2440_machine_init,
 136         .timer          = &s3c24xx_timer,
 137 MACHINE_END