arch/arm/mach-s3c/mach-smdk2440.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 // linux/arch/arm/mach-s3c2440/mach-smdk2440.c
   3 //
   4 // Copyright (c) 2004-2005 Simtec Electronics
   5 //      Ben Dooks <ben@simtec.co.uk>
   6 //
   7 // http://www.fluff.org/ben/smdk2440/
   8 //
   9 // Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
  10
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/init.h>
  17 #include <linux/serial_core.h>
  18 #include <linux/serial_s3c.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/io.h>
  21
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/irq.h>
  25
  26 #include <asm/irq.h>
  27 #include <asm/mach-types.h>
  28
  29 #include "regs-gpio.h"
  30 #include "gpio-samsung.h"
  31 #include "gpio-cfg.h"
  32
  33 #include <linux/platform_data/fb-s3c2410.h>
  34 #include <linux/platform_data/i2c-s3c2410.h>
  35
  36 #include "devs.h"
  37 #include "cpu.h"
  38
  39 #include "s3c24xx.h"
  40 #include "common-smdk-s3c24xx.h"
  41
  42 static struct map_desc smdk2440_iodesc[] __initdata = {
  43         /* ISA IO Space map (memory space selected by A24) */
  44
  45         {
  46                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  47                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  48                 .length         = 0x10000,
  49                 .type           = MT_DEVICE,
  50         }, {
  51                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  52                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  53                 .length         = SZ_4M,
  54                 .type           = MT_DEVICE,
  55         }, {
  56                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  57                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  58                 .length         = 0x10000,
  59                 .type           = MT_DEVICE,
  60         }, {
  61                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  62                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  63                 .length         = SZ_4M,
  64                 .type           = MT_DEVICE,
  65         }
  66 };
  67
  68 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  69 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  70 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  71
  72 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  73         [0] = {
  74                 .hwport      = 0,
  75                 .flags       = 0,
  76                 .ucon        = 0x3c5,
  77                 .ulcon       = 0x03,
  78                 .ufcon       = 0x51,
  79         },
  80         [1] = {
  81                 .hwport      = 1,
  82                 .flags       = 0,
  83                 .ucon        = 0x3c5,
  84                 .ulcon       = 0x03,
  85                 .ufcon       = 0x51,
  86         },
  87         /* IR port */
  88         [2] = {
  89                 .hwport      = 2,
  90                 .flags       = 0,
  91                 .ucon        = 0x3c5,
  92                 .ulcon       = 0x43,
  93                 .ufcon       = 0x51,
  94         }
  95 };
  96
  97 /* LCD driver info */
  98
  99 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
 100
 101         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 102                           S3C2410_LCDCON5_INVVLINE |
 103                           S3C2410_LCDCON5_INVVFRAME |
 104                           S3C2410_LCDCON5_PWREN |
 105                           S3C2410_LCDCON5_HWSWP,
 106
 107         .type           = S3C2410_LCDCON1_TFT,
 108
 109         .width          = 240,
 110         .height         = 320,
 111
 112         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 113         .xres           = 240,
 114         .yres           = 320,
 115         .bpp            = 16,
 116         .left_margin    = 20,
 117         .right_margin   = 8,
 118         .hsync_len      = 4,
 119         .upper_margin   = 8,
 120         .lower_margin   = 7,
 121         .vsync_len      = 4,
 122 };
 123
 124 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 125         .displays       = &smdk2440_lcd_cfg,
 126         .num_displays   = 1,
 127         .default_display = 0,
 128
 129 #if 0
 130         /* currently setup by downloader */
 131         .gpccon         = 0xaa940659,
 132         .gpccon_mask    = 0xffffffff,
 133         .gpcup          = 0x0000ffff,
 134         .gpcup_mask     = 0xffffffff,
 135         .gpdcon         = 0xaa84aaa0,
 136         .gpdcon_mask    = 0xffffffff,
 137         .gpdup          = 0x0000faff,
 138         .gpdup_mask     = 0xffffffff,
 139
 140         .gpccon_reg     = S3C2410_GPCCON,
 141         .gpcup_reg      = S3C2410_GPCUP,
 142         .gpdcon_reg     = S3C2410_GPDCON,
 143         .gpdup_reg      = S3C2410_GPDUP,
 144 #endif
 145
 146         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 147 };
 148
 149 static struct platform_device *smdk2440_devices[] __initdata = {
 150         &s3c_device_ohci,
 151         &s3c_device_lcd,
 152         &s3c_device_wdt,
 153         &s3c_device_i2c0,
 154         &s3c_device_iis,
 155 };
 156
 157 static void __init smdk2440_map_io(void)
 158 {
 159         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 160         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 161         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 162 }
 163
 164 static void __init smdk2440_init_time(void)
 165 {
 166         s3c2440_init_clocks(16934400);
 167         s3c24xx_timer_init();
 168 }
 169
 170 static void __init smdk2440_machine_init(void)
 171 {
 172         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 173         s3c_i2c0_set_platdata(NULL);
 174         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 175         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 176                               S3C_GPIO_PULL_NONE);
 177         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 178         smdk_machine_init();
 179 }
 180
 181 MACHINE_START(S3C2440, "SMDK2440")
 182         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 183         .atag_offset    = 0x100,
 184
 185         .init_irq       = s3c2440_init_irq,
 186         .map_io         = smdk2440_map_io,
 187         .init_machine   = smdk2440_machine_init,
 188         .init_time      = smdk2440_init_time,
 189 MACHINE_END