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/machine.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 <asm/hardware/iomd.h>
  27 #include <asm/setup.h>
  28 #include <asm/irq.h>
  29 #include <asm/mach-types.h>
  30
  31 //#include <asm/debug-ll.h>
  32 #include "hardware-s3c24xx.h"
  33 #include "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 "gpio-samsung.h"
  39 #include "gpio-cfg.h"
  40
  41 #include "devs.h"
  42 #include "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 };
  78
  79 static struct gpiod_lookup_table smdk2413_udc_gpio_table = {
  80         .dev_id = "s3c2410-usbgadget",
  81         .table = {
  82                 GPIO_LOOKUP("GPIOF", 2, "pullup", GPIO_ACTIVE_HIGH),
  83                 { },
  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         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 108 }
 109
 110 static void __init smdk2413_init_time(void)
 111 {
 112         s3c2412_init_clocks(12000000);
 113         s3c24xx_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         gpiod_add_lookup_table(&smdk2413_udc_gpio_table);
 125         s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
 126         s3c_i2c0_set_platdata(NULL);
 127         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 128         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 129                               S3C_GPIO_PULL_NONE);
 130
 131         platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
 132         smdk_machine_init();
 133 }
 134
 135 MACHINE_START(S3C2413, "S3C2413")
 136         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 137         .atag_offset    = 0x100,
 138         .nr_irqs        = NR_IRQS_S3C2412,
 139
 140         .fixup          = smdk2413_fixup,
 141         .init_irq       = s3c2412_init_irq,
 142         .map_io         = smdk2413_map_io,
 143         .init_machine   = smdk2413_machine_init,
 144         .init_time      = s3c24xx_timer_init,
 145 MACHINE_END
 146
 147 MACHINE_START(SMDK2412, "SMDK2412")
 148         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 149         .atag_offset    = 0x100,
 150         .nr_irqs        = NR_IRQS_S3C2412,
 151
 152         .fixup          = smdk2413_fixup,
 153         .init_irq       = s3c2412_init_irq,
 154         .map_io         = smdk2413_map_io,
 155         .init_machine   = smdk2413_machine_init,
 156         .init_time      = s3c24xx_timer_init,
 157 MACHINE_END
 158
 159 MACHINE_START(SMDK2413, "SMDK2413")
 160         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 161         .atag_offset    = 0x100,
 162         .nr_irqs        = NR_IRQS_S3C2412,
 163
 164         .fixup          = smdk2413_fixup,
 165         .init_irq       = s3c2412_init_irq,
 166         .map_io         = smdk2413_map_io,
 167         .init_machine   = smdk2413_machine_init,
 168         .init_time      = smdk2413_init_time,
 169 MACHINE_END