arch/arm/mach-s3c24xx/mach-smdk2413.c

   1 /* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
   2  *
   3  * Copyright (c) 2006 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
   7  * loans of SMDK2413 to work with.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/list.h>
  18 #include <linux/timer.h>
  19 #include <linux/init.h>
  20 #include <linux/gpio.h>
  21 #include <linux/serial_core.h>
  22 #include <linux/serial_s3c.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/io.h>
  25 #include <linux/memblock.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/hardware/iomd.h>
  33 #include <asm/setup.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 //#include <asm/debug-ll.h>
  38 #include <mach/regs-gpio.h>
  39 #include <mach/regs-lcd.h>
  40
  41 #include <linux/platform_data/usb-s3c2410_udc.h>
  42 #include <linux/platform_data/i2c-s3c2410.h>
  43 #include <mach/gpio-samsung.h>
  44 #include <mach/fb.h>
  45
  46 #include <plat/devs.h>
  47 #include <plat/cpu.h>
  48 #include <plat/samsung-time.h>
  49
  50 #include "common.h"
  51 #include "common-smdk.h"
  52
  53 static struct map_desc smdk2413_iodesc[] __initdata = {
  54 };
  55
  56 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  57         [0] = {
  58                 .hwport      = 0,
  59                 .flags       = 0,
  60                 .ucon        = 0x3c5,
  61                 .ulcon       = 0x03,
  62                 .ufcon       = 0x51,
  63         },
  64         [1] = {
  65                 .hwport      = 1,
  66                 .flags       = 0,
  67                 .ucon        = 0x3c5,
  68                 .ulcon       = 0x03,
  69                 .ufcon       = 0x51,
  70         },
  71         /* IR port */
  72         [2] = {
  73                 .hwport      = 2,
  74                 .flags       = 0,
  75                 .ucon        = 0x3c5,
  76                 .ulcon       = 0x43,
  77                 .ufcon       = 0x51,
  78         }
  79 };
  80
  81
  82 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  83         .pullup_pin = S3C2410_GPF(2),
  84 };
  85
  86
  87 static struct platform_device *smdk2413_devices[] __initdata = {
  88         &s3c_device_ohci,
  89         &s3c_device_wdt,
  90         &s3c_device_i2c0,
  91         &s3c_device_iis,
  92         &s3c_device_usbgadget,
  93         &s3c2412_device_dma,
  94 };
  95
  96 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
  97 {
  98         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  99                 memblock_add(0x30000000, SZ_64M);
 100         }
 101 }
 102
 103 static void __init smdk2413_map_io(void)
 104 {
 105         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
 106         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
 107         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 108 }
 109
 110 static void __init smdk2413_init_time(void)
 111 {
 112         s3c2412_init_clocks(12000000);
 113         samsung_timer_init();
 114 }
 115
 116 static void __init smdk2413_machine_init(void)
 117 {       /* Turn off suspend on both USB ports, and switch the
 118          * selectable USB port to USB device mode. */
 119
 120         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 121                               S3C2410_MISCCR_USBSUSPND0 |
 122                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 123
 124
 125         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 126         s3c_i2c0_set_platdata(NULL);
 127
 128         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 129         smdk_machine_init();
 130 }
 131
 132 MACHINE_START(S3C2413, "S3C2413")
 133         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 134         .atag_offset    = 0x100,
 135
 136         .fixup          = smdk2413_fixup,
 137         .init_irq       = s3c2412_init_irq,
 138         .map_io         = smdk2413_map_io,
 139         .init_machine   = smdk2413_machine_init,
 140         .init_time      = samsung_timer_init,
 141 MACHINE_END
 142
 143 MACHINE_START(SMDK2412, "SMDK2412")
 144         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 145         .atag_offset    = 0x100,
 146
 147         .fixup          = smdk2413_fixup,
 148         .init_irq       = s3c2412_init_irq,
 149         .map_io         = smdk2413_map_io,
 150         .init_machine   = smdk2413_machine_init,
 151         .init_time      = samsung_timer_init,
 152 MACHINE_END
 153
 154 MACHINE_START(SMDK2413, "SMDK2413")
 155         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 156         .atag_offset    = 0x100,
 157
 158         .fixup          = smdk2413_fixup,
 159         .init_irq       = s3c2412_init_irq,
 160         .map_io         = smdk2413_map_io,
 161         .init_machine   = smdk2413_machine_init,
 162         .init_time      = smdk2413_init_time,
 163 MACHINE_END