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/platform_device.h>
  23 #include <linux/io.h>
  24
  25 #include <asm/mach/arch.h>
  26 #include <asm/mach/map.h>
  27 #include <asm/mach/irq.h>
  28
  29 #include <mach/hardware.h>
  30 #include <asm/hardware/iomd.h>
  31 #include <asm/setup.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 //#include <asm/debug-ll.h>
  36 #include <plat/regs-serial.h>
  37 #include <mach/regs-gpio.h>
  38 #include <mach/regs-lcd.h>
  39
  40 #include <linux/platform_data/usb-s3c2410_udc.h>
  41 #include <linux/platform_data/i2c-s3c2410.h>
  42 #include <mach/fb.h>
  43
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47 #include <plat/samsung-time.h>
  48
  49 #include "common.h"
  50 #include "common-smdk.h"
  51
  52 static struct map_desc smdk2413_iodesc[] __initdata = {
  53 };
  54
  55 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  56         [0] = {
  57                 .hwport      = 0,
  58                 .flags       = 0,
  59                 .ucon        = 0x3c5,
  60                 .ulcon       = 0x03,
  61                 .ufcon       = 0x51,
  62         },
  63         [1] = {
  64                 .hwport      = 1,
  65                 .flags       = 0,
  66                 .ucon        = 0x3c5,
  67                 .ulcon       = 0x03,
  68                 .ufcon       = 0x51,
  69         },
  70         /* IR port */
  71         [2] = {
  72                 .hwport      = 2,
  73                 .flags       = 0,
  74                 .ucon        = 0x3c5,
  75                 .ulcon       = 0x43,
  76                 .ufcon       = 0x51,
  77         }
  78 };
  79
  80
  81 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  82         .pullup_pin = S3C2410_GPF(2),
  83 };
  84
  85
  86 static struct platform_device *smdk2413_devices[] __initdata = {
  87         &s3c_device_ohci,
  88         &s3c_device_wdt,
  89         &s3c_device_i2c0,
  90         &s3c_device_iis,
  91         &s3c_device_usbgadget,
  92 };
  93
  94 static void __init smdk2413_fixup(struct tag *tags, char **cmdline,
  95                                   struct meminfo *mi)
  96 {
  97         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  98                 mi->nr_banks=1;
  99                 mi->bank[0].start = 0x30000000;
 100                 mi->bank[0].size = SZ_64M;
 101         }
 102 }
 103
 104 static void __init smdk2413_map_io(void)
 105 {
 106         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
 107         s3c24xx_init_clocks(12000000);
 108         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
 109         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 110 }
 111
 112 static void __init smdk2413_machine_init(void)
 113 {       /* Turn off suspend on both USB ports, and switch the
 114          * selectable USB port to USB device mode. */
 115
 116         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 117                               S3C2410_MISCCR_USBSUSPND0 |
 118                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 119
 120
 121         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 122         s3c_i2c0_set_platdata(NULL);
 123
 124         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 125         smdk_machine_init();
 126 }
 127
 128 MACHINE_START(S3C2413, "S3C2413")
 129         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 130         .atag_offset    = 0x100,
 131
 132         .fixup          = smdk2413_fixup,
 133         .init_irq       = s3c2412_init_irq,
 134         .map_io         = smdk2413_map_io,
 135         .init_machine   = smdk2413_machine_init,
 136         .init_time      = samsung_timer_init,
 137         .restart        = s3c2412_restart,
 138 MACHINE_END
 139
 140 MACHINE_START(SMDK2412, "SMDK2412")
 141         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 142         .atag_offset    = 0x100,
 143
 144         .fixup          = smdk2413_fixup,
 145         .init_irq       = s3c2412_init_irq,
 146         .map_io         = smdk2413_map_io,
 147         .init_machine   = smdk2413_machine_init,
 148         .init_time      = samsung_timer_init,
 149         .restart        = s3c2412_restart,
 150 MACHINE_END
 151
 152 MACHINE_START(SMDK2413, "SMDK2413")
 153         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 154         .atag_offset    = 0x100,
 155
 156         .fixup          = smdk2413_fixup,
 157         .init_irq       = s3c2412_init_irq,
 158         .map_io         = smdk2413_map_io,
 159         .init_machine   = smdk2413_machine_init,
 160         .init_time      = samsung_timer_init,
 161         .restart        = s3c2412_restart,
 162 MACHINE_END