arch/arm/mach-s3c/mach-smdk2443.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2007 Simtec Electronics
   4 //      Ben Dooks <ben@simtec.co.uk>
   5 //
   6 // http://www.fluff.org/ben/smdk2443/
   7 //
   8 // Thanks to Samsung for the loan of an SMDK2443
   9
  10 #include <linux/kernel.h>
  11 #include <linux/types.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/list.h>
  14 #include <linux/timer.h>
  15 #include <linux/init.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
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/map.h>
  23 #include <asm/mach/irq.h>
  24
  25 #include <asm/irq.h>
  26 #include <asm/mach-types.h>
  27
  28 #include "regs-gpio.h"
  29
  30 #include <linux/platform_data/fb-s3c2410.h>
  31 #include <linux/platform_data/i2c-s3c2410.h>
  32
  33 #include "devs.h"
  34 #include "cpu.h"
  35
  36 #include "s3c24xx.h"
  37 #include "common-smdk-s3c24xx.h"
  38
  39 static struct map_desc smdk2443_iodesc[] __initdata = {
  40         /* ISA IO Space map (memory space selected by A24) */
  41
  42         {
  43                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  44                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  45                 .length         = 0x10000,
  46                 .type           = MT_DEVICE,
  47         }, {
  48                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  49                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  50                 .length         = SZ_4M,
  51                 .type           = MT_DEVICE,
  52         }, {
  53                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  54                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  55                 .length         = 0x10000,
  56                 .type           = MT_DEVICE,
  57         }, {
  58                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  59                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  60                 .length         = SZ_4M,
  61                 .type           = MT_DEVICE,
  62         }
  63 };
  64
  65 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  66 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  67 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  68
  69 static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
  70         [0] = {
  71                 .hwport      = 0,
  72                 .flags       = 0,
  73                 .ucon        = 0x3c5,
  74                 .ulcon       = 0x03,
  75                 .ufcon       = 0x51,
  76         },
  77         [1] = {
  78                 .hwport      = 1,
  79                 .flags       = 0,
  80                 .ucon        = 0x3c5,
  81                 .ulcon       = 0x03,
  82                 .ufcon       = 0x51,
  83         },
  84         /* IR port */
  85         [2] = {
  86                 .hwport      = 2,
  87                 .flags       = 0,
  88                 .ucon        = 0x3c5,
  89                 .ulcon       = 0x43,
  90                 .ufcon       = 0x51,
  91         },
  92         [3] = {
  93                 .hwport      = 3,
  94                 .flags       = 0,
  95                 .ucon        = 0x3c5,
  96                 .ulcon       = 0x03,
  97                 .ufcon       = 0x51,
  98         }
  99 };
 100
 101 static struct platform_device *smdk2443_devices[] __initdata = {
 102         &s3c_device_wdt,
 103         &s3c_device_i2c0,
 104         &s3c_device_hsmmc1,
 105         &s3c2443_device_dma,
 106 };
 107
 108 static void __init smdk2443_map_io(void)
 109 {
 110         s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
 111         s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
 112         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 113 }
 114
 115 static void __init smdk2443_init_time(void)
 116 {
 117         s3c2443_init_clocks(12000000);
 118         s3c24xx_timer_init();
 119 }
 120
 121 static void __init smdk2443_machine_init(void)
 122 {
 123         s3c_i2c0_set_platdata(NULL);
 124         platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 125         smdk_machine_init();
 126 }
 127
 128 MACHINE_START(SMDK2443, "SMDK2443")
 129         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 130         .atag_offset    = 0x100,
 131
 132         .init_irq       = s3c2443_init_irq,
 133         .map_io         = smdk2443_map_io,
 134         .init_machine   = smdk2443_machine_init,
 135         .init_time      = smdk2443_init_time,
 136 MACHINE_END