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_BYTE,
  47                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  48                 .length         = 0x10000,
  49                 .type           = MT_DEVICE,
  50         }, {
  51                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  52                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  53                 .length         = SZ_4M,
  54                 .type           = MT_DEVICE,
  55         }
  56 };
  57
  58 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  59 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  60 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  61
  62 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
  63         [0] = {
  64                 .hwport      = 0,
  65                 .flags       = 0,
  66                 .ucon        = 0x3c5,
  67                 .ulcon       = 0x03,
  68                 .ufcon       = 0x51,
  69         },
  70         [1] = {
  71                 .hwport      = 1,
  72                 .flags       = 0,
  73                 .ucon        = 0x3c5,
  74                 .ulcon       = 0x03,
  75                 .ufcon       = 0x51,
  76         },
  77         /* IR port */
  78         [2] = {
  79                 .hwport      = 2,
  80                 .flags       = 0,
  81                 .ucon        = 0x3c5,
  82                 .ulcon       = 0x43,
  83                 .ufcon       = 0x51,
  84         }
  85 };
  86
  87 /* LCD driver info */
  88
  89 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
  90
  91         .lcdcon5        = S3C2410_LCDCON5_FRM565 |
  92                           S3C2410_LCDCON5_INVVLINE |
  93                           S3C2410_LCDCON5_INVVFRAME |
  94                           S3C2410_LCDCON5_PWREN |
  95                           S3C2410_LCDCON5_HWSWP,
  96
  97         .type           = S3C2410_LCDCON1_TFT,
  98
  99         .width          = 240,
 100         .height         = 320,
 101
 102         .pixclock       = 166667, /* HCLK 60 MHz, divisor 10 */
 103         .xres           = 240,
 104         .yres           = 320,
 105         .bpp            = 16,
 106         .left_margin    = 20,
 107         .right_margin   = 8,
 108         .hsync_len      = 4,
 109         .upper_margin   = 8,
 110         .lower_margin   = 7,
 111         .vsync_len      = 4,
 112 };
 113
 114 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 115         .displays       = &smdk2440_lcd_cfg,
 116         .num_displays   = 1,
 117         .default_display = 0,
 118
 119 #if 0
 120         /* currently setup by downloader */
 121         .gpccon         = 0xaa940659,
 122         .gpccon_mask    = 0xffffffff,
 123         .gpcup          = 0x0000ffff,
 124         .gpcup_mask     = 0xffffffff,
 125         .gpdcon         = 0xaa84aaa0,
 126         .gpdcon_mask    = 0xffffffff,
 127         .gpdup          = 0x0000faff,
 128         .gpdup_mask     = 0xffffffff,
 129
 130         .gpccon_reg     = S3C2410_GPCCON,
 131         .gpcup_reg      = S3C2410_GPCUP,
 132         .gpdcon_reg     = S3C2410_GPDCON,
 133         .gpdup_reg      = S3C2410_GPDUP,
 134 #endif
 135
 136         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 137 };
 138
 139 static struct platform_device *smdk2440_devices[] __initdata = {
 140         &s3c_device_ohci,
 141         &s3c_device_lcd,
 142         &s3c_device_wdt,
 143         &s3c_device_i2c0,
 144         &s3c_device_iis,
 145 };
 146
 147 static void __init smdk2440_map_io(void)
 148 {
 149         s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
 150         s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
 151         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 152 }
 153
 154 static void __init smdk2440_init_time(void)
 155 {
 156         s3c2440_init_clocks(16934400);
 157         s3c24xx_timer_init();
 158 }
 159
 160 static void __init smdk2440_machine_init(void)
 161 {
 162         s3c24xx_fb_set_platdata(&smdk2440_fb_info);
 163         s3c_i2c0_set_platdata(NULL);
 164         /* Configure the I2S pins (GPE0...GPE4) in correct mode */
 165         s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
 166                               S3C_GPIO_PULL_NONE);
 167         platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
 168         smdk_machine_init();
 169 }
 170
 171 MACHINE_START(S3C2440, "SMDK2440")
 172         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
 173         .atag_offset    = 0x100,
 174         .nr_irqs        = NR_IRQS_S3C2440,
 175
 176         .init_irq       = s3c2440_init_irq,
 177         .map_io         = smdk2440_map_io,
 178         .init_machine   = smdk2440_machine_init,
 179         .init_time      = smdk2440_init_time,
 180 MACHINE_END