git.oblomov.eu Git - linux-2.6/blob - arch/arm/mach-s3c2412/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/serial_core.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/io.h>
  23
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26 #include <asm/mach/irq.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/hardware/iomd.h>
  30 #include <asm/setup.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 //#include <asm/debug-ll.h>
  35 #include <plat/regs-serial.h>
  36 #include <mach/regs-gpio.h>
  37 #include <mach/regs-lcd.h>
  38
  39 #include <mach/idle.h>
  40 #include <plat/udc.h>
  41 #include <plat/iic.h>
  42 #include <mach/fb.h>
  43
  44 #include <plat/s3c2410.h>
  45 #include <plat/s3c2412.h>
  46 #include <plat/clock.h>
  47 #include <plat/devs.h>
  48 #include <plat/cpu.h>
  49
  50 #include <plat/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 static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
  81 {
  82         printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
  83
  84         switch (cmd)
  85         {
  86                 case S3C2410_UDC_P_ENABLE :
  87                         s3c2410_gpio_setpin(S3C2410_GPF2, 1);
  88                         break;
  89                 case S3C2410_UDC_P_DISABLE :
  90                         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
  91                         break;
  92                 case S3C2410_UDC_P_RESET :
  93                         break;
  94                 default:
  95                         break;
  96         }
  97 }
  98
  99
 100 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
 101         .udc_command            = smdk2413_udc_pullup,
 102 };
 103
 104
 105 static struct platform_device *smdk2413_devices[] __initdata = {
 106         &s3c_device_usb,
 107         //&s3c_device_lcd,
 108         &s3c_device_wdt,
 109         &s3c_device_i2c0,
 110         &s3c_device_iis,
 111         &s3c_device_usbgadget,
 112 };
 113
 114 static void __init smdk2413_fixup(struct machine_desc *desc,
 115                                   struct tag *tags, char **cmdline,
 116                                   struct meminfo *mi)
 117 {
 118         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
 119                 mi->nr_banks=1;
 120                 mi->bank[0].start = 0x30000000;
 121                 mi->bank[0].size = SZ_64M;
 122                 mi->bank[0].node = 0;
 123         }
 124 }
 125
 126 static void __init smdk2413_map_io(void)
 127 {
 128         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
 129         s3c24xx_init_clocks(12000000);
 130         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
 131 }
 132
 133 static void __init smdk2413_machine_init(void)
 134 {       /* Turn off suspend on both USB ports, and switch the
 135          * selectable USB port to USB device mode. */
 136
 137         s3c2410_gpio_setpin(S3C2410_GPF2, 0);
 138         s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
 139
 140         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 141                               S3C2410_MISCCR_USBSUSPND0 |
 142                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 143
 144
 145         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 146         s3c_i2c0_set_platdata(NULL);
 147
 148         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 149         smdk_machine_init();
 150 }
 151
 152 MACHINE_START(S3C2413, "S3C2413")
 153         /* Maintainer: Ben Dooks <ben@fluff.org> */
 154         .phys_io        = S3C2410_PA_UART,
 155         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 156         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 157
 158         .fixup          = smdk2413_fixup,
 159         .init_irq       = s3c24xx_init_irq,
 160         .map_io         = smdk2413_map_io,
 161         .init_machine   = smdk2413_machine_init,
 162         .timer          = &s3c24xx_timer,
 163 MACHINE_END
 164
 165 MACHINE_START(SMDK2412, "SMDK2412")
 166         /* Maintainer: Ben Dooks <ben@fluff.org> */
 167         .phys_io        = S3C2410_PA_UART,
 168         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 169         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 170
 171         .fixup          = smdk2413_fixup,
 172         .init_irq       = s3c24xx_init_irq,
 173         .map_io         = smdk2413_map_io,
 174         .init_machine   = smdk2413_machine_init,
 175         .timer          = &s3c24xx_timer,
 176 MACHINE_END
 177
 178 MACHINE_START(SMDK2413, "SMDK2413")
 179         /* Maintainer: Ben Dooks <ben@fluff.org> */
 180         .phys_io        = S3C2410_PA_UART,
 181         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 182         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 183
 184         .fixup          = smdk2413_fixup,
 185         .init_irq       = s3c24xx_init_irq,
 186         .map_io         = smdk2413_map_io,
 187         .init_machine   = smdk2413_machine_init,
 188         .timer          = &s3c24xx_timer,
 189 MACHINE_END