arch/arm/mach-s3c24xx/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 <mach/hardware.h>
  27 #include <asm/irq.h>
  28 #include <asm/mach-types.h>
  29
  30 #include <mach/regs-gpio.h>
  31 #include <mach/regs-lcd.h>
  32
  33 #include <mach/fb.h>
  34 #include <linux/platform_data/i2c-s3c2410.h>
  35
  36 #include <plat/devs.h>
  37 #include <plat/cpu.h>
  38 #include <plat/samsung-time.h>
  39
  40 #include "common.h"
  41 #include "common-smdk.h"
  42
  43 static struct map_desc smdk2440_iodesc[] __initdata = {
  44         /* ISA IO Space map (memory space selected by A24) */
  45
  46         {
  47                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  48                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  49                 .length         = 0x10000,
  50                 .type           = MT_DEVICE,
  51         }, {
  52                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  53                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  54                 .length         = SZ_4M,
  55                 .type           = MT_DEVICE,
  56         }, {
  57                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  58                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  59                 .length         = 0x10000,
  60                 .type           = MT_DEVICE,
  61         }, {
  62                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  63                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  64                 .length         = SZ_4M,
  65                 .type           = MT_DEVICE,
  66         }
  67 };
  68
  69 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  70 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  71 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  72
  73 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  74         [0] = {
  75                 .hwport      = 0,
  76                 .flags       = 0,
  77                 .ucon        = 0x3c5,
  78                 .ulcon       = 0x03,
  79                 .ufcon       = 0x51,
  80         },
  81         [1] = {
  82                 .hwport      = 1,
  83                 .flags       = 0,
  84                 .ucon        = 0x3c5,
  85                 .ulcon       = 0x03,
  86                 .ufcon       = 0x51,
  87         },
  88         /* IR port */
  89         [2] = {
  90                 .hwport      = 2,
  91                 .flags       = 0,
  92                 .ucon        = 0x3c5,
  93                 .ulcon       = 0x43,
  94                 .ufcon       = 0x51,
  95         }
  96 };
  97
  98 /* LCD driver info */
  99
 100 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
 101
 102         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 103                           S3C2410_LCDCON5_INVVLINE |
 104                           S3C2410_LCDCON5_INVVFRAME |
 105                           S3C2410_LCDCON5_PWREN |
 106                           S3C2410_LCDCON5_HWSWP,
 107
 108         .type           = S3C2410_LCDCON1_TFT,
 109
 110         .width          = 240,
 111         .height         = 320,
 112
 113         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 114         .xres           = 240,
 115         .yres           = 320,
 116         .bpp            = 16,
 117         .left_margin    = 20,
 118         .right_margin   = 8,
 119         .hsync_len      = 4,
 120         .upper_margin   = 8,
 121         .lower_margin   = 7,
 122         .vsync_len      = 4,
 123 };
 124
 125 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 126         .displays       = &smdk2440_lcd_cfg,
 127         .num_displays   = 1,
 128         .default_display = 0,
 129
 130 #if 0
 131         /* currently setup by downloader */
 132         .gpccon         = 0xaa940659,
 133         .gpccon_mask    = 0xffffffff,
 134         .gpcup          = 0x0000ffff,
 135         .gpcup_mask     = 0xffffffff,
 136         .gpdcon         = 0xaa84aaa0,
 137         .gpdcon_mask    = 0xffffffff,
 138         .gpdup          = 0x0000faff,
 139         .gpdup_mask     = 0xffffffff,
 140 #endif
 141
 142         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 143 };
 144
 145 static struct platform_device *smdk2440_devices[] __initdata = {
 146         &s3c_device_ohci,
 147         &s3c_device_lcd,
 148         &s3c_device_wdt,
 149         &s3c_device_i2c0,
 150         &s3c_device_iis,
 151 };
 152
 153 static void __init smdk2440_map_io(void)
 154 {
 155         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 156         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 157         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 158 }
 159
 160 static void __init smdk2440_init_time(void)
 161 {
 162         s3c2440_init_clocks(16934400);
 163         samsung_timer_init();
 164 }
 165
 166 static void __init smdk2440_machine_init(void)
 167 {
 168         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 169         s3c_i2c0_set_platdata(NULL);
 170
 171         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 172         smdk_machine_init();
 173 }
 174
 175 MACHINE_START(S3C2440, "SMDK2440")
 176         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 177         .atag_offset    = 0x100,
 178
 179         .init_irq       = s3c2440_init_irq,
 180         .map_io         = smdk2440_map_io,
 181         .init_machine   = smdk2440_machine_init,
 182         .init_time      = smdk2440_init_time,
 183 MACHINE_END