arch/arm/mach-s3c24xx/mach-smdk2416.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
   4 //      as part of OpenInkpot project
   5 // Copyright (c) 2009 Promwad Innovation Company
   6 //      Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
   7
   8 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/list.h>
  12 #include <linux/timer.h>
  13 #include <linux/init.h>
  14 #include <linux/serial_core.h>
  15 #include <linux/serial_s3c.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/io.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/gpio.h>
  20 #include <linux/fb.h>
  21 #include <linux/delay.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/mach/irq.h>
  26
  27 #include <video/samsung_fimd.h>
  28 #include <mach/hardware.h>
  29 #include <asm/irq.h>
  30 #include <asm/mach-types.h>
  31
  32 #include <mach/regs-gpio.h>
  33 #include <mach/regs-lcd.h>
  34 #include <mach/regs-s3c2443-clock.h>
  35 #include <mach/gpio-samsung.h>
  36
  37 #include <linux/platform_data/leds-s3c24xx.h>
  38 #include <linux/platform_data/i2c-s3c2410.h>
  39
  40 #include <plat/gpio-cfg.h>
  41 #include <plat/devs.h>
  42 #include <plat/cpu.h>
  43 #include <linux/platform_data/mtd-nand-s3c2410.h>
  44 #include <plat/sdhci.h>
  45 #include <linux/platform_data/usb-s3c2410_udc.h>
  46 #include <linux/platform_data/s3c-hsudc.h>
  47 #include <plat/samsung-time.h>
  48
  49 #include <plat/fb.h>
  50
  51 #include "common.h"
  52 #include "common-smdk.h"
  53
  54 static struct map_desc smdk2416_iodesc[] __initdata = {
  55         /* ISA IO Space map (memory space selected by A24) */
  56
  57         {
  58                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  59                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  60                 .length         = 0x10000,
  61                 .type           = MT_DEVICE,
  62         }, {
  63                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  64                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  65                 .length         = SZ_4M,
  66                 .type           = MT_DEVICE,
  67         }, {
  68                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  69                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  70                 .length         = 0x10000,
  71                 .type           = MT_DEVICE,
  72         }, {
  73                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  74                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  75                 .length         = SZ_4M,
  76                 .type           = MT_DEVICE,
  77         }
  78 };
  79
  80 #define UCON (S3C2410_UCON_DEFAULT      | \
  81                 S3C2440_UCON_PCLK       | \
  82                 S3C2443_UCON_RXERR_IRQEN)
  83
  84 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  85
  86 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
  87                 S3C2410_UFCON_FIFOMODE  | \
  88                 S3C2440_UFCON_TXTRIG16)
  89
  90 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
  91         [0] = {
  92                 .hwport      = 0,
  93                 .flags       = 0,
  94                 .ucon        = UCON,
  95                 .ulcon       = ULCON,
  96                 .ufcon       = UFCON,
  97         },
  98         [1] = {
  99                 .hwport      = 1,
 100                 .flags       = 0,
 101                 .ucon        = UCON,
 102                 .ulcon       = ULCON,
 103                 .ufcon       = UFCON,
 104         },
 105         /* IR port */
 106         [2] = {
 107                 .hwport      = 2,
 108                 .flags       = 0,
 109                 .ucon        = UCON,
 110                 .ulcon       = ULCON | 0x50,
 111                 .ufcon       = UFCON,
 112         },
 113         [3] = {
 114                 .hwport      = 3,
 115                 .flags       = 0,
 116                 .ucon        = UCON,
 117                 .ulcon       = ULCON,
 118                 .ufcon       = UFCON,
 119         }
 120 };
 121
 122 static void smdk2416_hsudc_gpio_init(void)
 123 {
 124         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
 125         s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
 126         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
 127         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
 128 }
 129
 130 static void smdk2416_hsudc_gpio_uninit(void)
 131 {
 132         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
 133         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
 134         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
 135 }
 136
 137 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
 138         .epnum = 9,
 139         .gpio_init = smdk2416_hsudc_gpio_init,
 140         .gpio_uninit = smdk2416_hsudc_gpio_uninit,
 141 };
 142
 143 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
 144         [0] = {
 145                 .default_bpp    = 16,
 146                 .max_bpp        = 32,
 147                 .xres           = 800,
 148                 .yres           = 480,
 149         },
 150 };
 151
 152 static struct fb_videomode smdk2416_lcd_timing = {
 153         .pixclock       = 41094,
 154         .left_margin    = 8,
 155         .right_margin   = 13,
 156         .upper_margin   = 7,
 157         .lower_margin   = 5,
 158         .hsync_len      = 3,
 159         .vsync_len      = 1,
 160         .xres           = 800,
 161         .yres           = 480,
 162 };
 163
 164 static void s3c2416_fb_gpio_setup_24bpp(void)
 165 {
 166         unsigned int gpio;
 167
 168         for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
 169                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 170                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 171         }
 172
 173         for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
 174                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 175                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 176         }
 177
 178         for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
 179                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 180                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 181         }
 182 }
 183
 184 static struct s3c_fb_platdata smdk2416_fb_platdata = {
 185         .win[0]         = &smdk2416_fb_win[0],
 186         .vtiming        = &smdk2416_lcd_timing,
 187         .setup_gpio     = s3c2416_fb_gpio_setup_24bpp,
 188         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 189         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 190 };
 191
 192 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
 193         .max_width              = 4,
 194         .cd_type                = S3C_SDHCI_CD_GPIO,
 195         .ext_cd_gpio            = S3C2410_GPF(1),
 196         .ext_cd_gpio_invert     = 1,
 197 };
 198
 199 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
 200         .max_width              = 4,
 201         .cd_type                = S3C_SDHCI_CD_NONE,
 202 };
 203
 204 static struct platform_device *smdk2416_devices[] __initdata = {
 205         &s3c_device_fb,
 206         &s3c_device_wdt,
 207         &s3c_device_ohci,
 208         &s3c_device_i2c0,
 209         &s3c_device_hsmmc0,
 210         &s3c_device_hsmmc1,
 211         &s3c_device_usb_hsudc,
 212         &s3c2443_device_dma,
 213 };
 214
 215 static void __init smdk2416_init_time(void)
 216 {
 217         s3c2416_init_clocks(12000000);
 218         samsung_timer_init();
 219 }
 220
 221 static void __init smdk2416_map_io(void)
 222 {
 223         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
 224         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
 225         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 226 }
 227
 228 static void __init smdk2416_machine_init(void)
 229 {
 230         s3c_i2c0_set_platdata(NULL);
 231         s3c_fb_set_platdata(&smdk2416_fb_platdata);
 232
 233         s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
 234         s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
 235
 236         s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
 237
 238         gpio_request(S3C2410_GPB(4), "USBHost Power");
 239         gpio_direction_output(S3C2410_GPB(4), 1);
 240
 241         gpio_request(S3C2410_GPB(3), "Display Power");
 242         gpio_direction_output(S3C2410_GPB(3), 1);
 243
 244         gpio_request(S3C2410_GPB(1), "Display Reset");
 245         gpio_direction_output(S3C2410_GPB(1), 1);
 246
 247         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
 248         smdk_machine_init();
 249 }
 250
 251 MACHINE_START(SMDK2416, "SMDK2416")
 252         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
 253         .atag_offset    = 0x100,
 254
 255         .init_irq       = s3c2416_init_irq,
 256         .map_io         = smdk2416_map_io,
 257         .init_machine   = smdk2416_machine_init,
 258         .init_time      = smdk2416_init_time,
 259 MACHINE_END