arch/arm/mach-s3c/mach-smdk2413.c

   1 // SPDX-License-Identifier: GPL-2.0
   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 #include <linux/kernel.h>
  10 #include <linux/types.h>
  11 #include <linux/interrupt.h>
  12 #include <linux/list.h>
  13 #include <linux/timer.h>
  14 #include <linux/init.h>
  15 #include <linux/gpio.h>
  16 #include <linux/serial_core.h>
  17 #include <linux/serial_s3c.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/io.h>
  20 #include <linux/memblock.h>
  21
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/irq.h>
  25
  26 #include <mach/hardware-s3c24xx.h>
  27 #include <asm/hardware/iomd.h>
  28 #include <asm/setup.h>
  29 #include <asm/irq.h>
  30 #include <asm/mach-types.h>
  31
  32 //#include <asm/debug-ll.h>
  33 #include <mach/regs-gpio.h>
  34
  35 #include <linux/platform_data/usb-s3c2410_udc.h>
  36 #include <linux/platform_data/i2c-s3c2410.h>
  37 #include <linux/platform_data/fb-s3c2410.h>
  38 #include <mach/gpio-samsung.h>
  39 #include <plat/gpio-cfg.h>
  40
  41 #include <plat/devs.h>
  42 #include <plat/cpu.h>
  43
  44 #include "s3c24xx.h"
  45 #include "common-smdk-s3c24xx.h"
  46
  47 static struct map_desc smdk2413_iodesc[] __initdata = {
  48 };
  49
  50 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  51         [0] = {
  52                 .hwport      = 0,
  53                 .flags       = 0,
  54                 .ucon        = 0x3c5,
  55                 .ulcon       = 0x03,
  56                 .ufcon       = 0x51,
  57         },
  58         [1] = {
  59                 .hwport      = 1,
  60                 .flags       = 0,
  61                 .ucon        = 0x3c5,
  62                 .ulcon       = 0x03,
  63                 .ufcon       = 0x51,
  64         },
  65         /* IR port */
  66         [2] = {
  67                 .hwport      = 2,
  68                 .flags       = 0,
  69                 .ucon        = 0x3c5,
  70                 .ulcon       = 0x43,
  71                 .ufcon       = 0x51,
  72         }
  73 };
  74
  75
  76 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  77         .pullup_pin = S3C2410_GPF(2),
  78 };
  79
  80
  81 static struct platform_device *smdk2413_devices[] __initdata = {
  82         &s3c_device_ohci,
  83         &s3c_device_wdt,
  84         &s3c_device_i2c0,
  85         &s3c_device_iis,
  86         &s3c_device_usbgadget,
  87         &s3c2412_device_dma,
  88 };
  89
  90 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
  91 {
  92         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  93                 memblock_add(0x30000000, SZ_64M);
  94         }
  95 }
  96
  97 static void __init smdk2413_map_io(void)
  98 {
  99         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
 100         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
 101         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 102 }
 103
 104 static void __init smdk2413_init_time(void)
 105 {
 106         s3c2412_init_clocks(12000000);
 107         samsung_timer_init();
 108 }
 109
 110 static void __init smdk2413_machine_init(void)
 111 {       /* Turn off suspend on both USB ports, and switch the
 112          * selectable USB port to USB device mode. */
 113
 114         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 115                               S3C2410_MISCCR_USBSUSPND0 |
 116                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 117
 118
 119         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 120         s3c_i2c0_set_platdata(NULL);
 121         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 122         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 123                               S3C_GPIO_PULL_NONE);
 124
 125         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 126         smdk_machine_init();
 127 }
 128
 129 MACHINE_START(S3C2413, "S3C2413")
 130         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 131         .atag_offset    = 0x100,
 132
 133         .fixup          = smdk2413_fixup,
 134         .init_irq       = s3c2412_init_irq,
 135         .map_io         = smdk2413_map_io,
 136         .init_machine   = smdk2413_machine_init,
 137         .init_time      = samsung_timer_init,
 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 MACHINE_END
 150
 151 MACHINE_START(SMDK2413, "SMDK2413")
 152         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 153         .atag_offset    = 0x100,
 154
 155         .fixup          = smdk2413_fixup,
 156         .init_irq       = s3c2412_init_irq,
 157         .map_io         = smdk2413_map_io,
 158         .init_machine   = smdk2413_machine_init,
 159         .init_time      = smdk2413_init_time,
 160 MACHINE_END