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

DEFINITIONS

1. smdk2413_fixup
2. smdk2413_map_io
3. smdk2413_init_time
4. smdk2413_machine_init

   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.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 #include <mach/regs-lcd.h>
  35 
  36 #include <linux/platform_data/usb-s3c2410_udc.h>
  37 #include <linux/platform_data/i2c-s3c2410.h>
  38 #include <mach/gpio-samsung.h>
  39 #include <mach/fb.h>
  40 
  41 #include <plat/devs.h>
  42 #include <plat/cpu.h>
  43 #include <plat/samsung-time.h>
  44 
  45 #include "common.h"
  46 #include "common-smdk.h"
  47 
  48 static struct map_desc smdk2413_iodesc[] __initdata = {
  49 };
  50 
  51 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
  52         [0] = {
  53                 .hwport      = 0,
  54                 .flags       = 0,
  55                 .ucon        = 0x3c5,
  56                 .ulcon       = 0x03,
  57                 .ufcon       = 0x51,
  58         },
  59         [1] = {
  60                 .hwport      = 1,
  61                 .flags       = 0,
  62                 .ucon        = 0x3c5,
  63                 .ulcon       = 0x03,
  64                 .ufcon       = 0x51,
  65         },
  66         /* IR port */
  67         [2] = {
  68                 .hwport      = 2,
  69                 .flags       = 0,
  70                 .ucon        = 0x3c5,
  71                 .ulcon       = 0x43,
  72                 .ufcon       = 0x51,
  73         }
  74 };
  75 
  76 
  77 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
  78         .pullup_pin = S3C2410_GPF(2),
  79 };
  80 
  81 
  82 static struct platform_device *smdk2413_devices[] __initdata = {
  83         &s3c_device_ohci,
  84         &s3c_device_wdt,
  85         &s3c_device_i2c0,
  86         &s3c_device_iis,
  87         &s3c_device_usbgadget,
  88         &s3c2412_device_dma,
  89 };
  90 
  91 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
  92 {
  93         if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
  94                 memblock_add(0x30000000, SZ_64M);
  95         }
  96 }
  97 
  98 static void __init smdk2413_map_io(void)
  99 {
 100         s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
 101         s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
 102         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 103 }
 104 
 105 static void __init smdk2413_init_time(void)
 106 {
 107         s3c2412_init_clocks(12000000);
 108         samsung_timer_init();
 109 }
 110 
 111 static void __init smdk2413_machine_init(void)
 112 {       /* Turn off suspend on both USB ports, and switch the
 113          * selectable USB port to USB device mode. */
 114 
 115         s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
 116                               S3C2410_MISCCR_USBSUSPND0 |
 117                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 118 
 119 
 120         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 121         s3c_i2c0_set_platdata(NULL);
 122 
 123         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 124         smdk_machine_init();
 125 }
 126 
 127 MACHINE_START(S3C2413, "S3C2413")
 128         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 129         .atag_offset    = 0x100,
 130 
 131         .fixup          = smdk2413_fixup,
 132         .init_irq       = s3c2412_init_irq,
 133         .map_io         = smdk2413_map_io,
 134         .init_machine   = smdk2413_machine_init,
 135         .init_time      = samsung_timer_init,
 136 MACHINE_END
 137 
 138 MACHINE_START(SMDK2412, "SMDK2412")
 139         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 140         .atag_offset    = 0x100,
 141 
 142         .fixup          = smdk2413_fixup,
 143         .init_irq       = s3c2412_init_irq,
 144         .map_io         = smdk2413_map_io,
 145         .init_machine   = smdk2413_machine_init,
 146         .init_time      = samsung_timer_init,
 147 MACHINE_END
 148 
 149 MACHINE_START(SMDK2413, "SMDK2413")
 150         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 151         .atag_offset    = 0x100,
 152 
 153         .fixup          = smdk2413_fixup,
 154         .init_irq       = s3c2412_init_irq,
 155         .map_io         = smdk2413_map_io,
 156         .init_machine   = smdk2413_machine_init,
 157         .init_time      = smdk2413_init_time,
 158 MACHINE_END