linux/arch/arm/mach-s3c24xx/mach-smdk2416.c
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   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
  54static 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
  90static 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
 122static 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
 130static 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
 137static 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
 143static 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
 152static 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
 164static 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
 184static 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
 192static 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
 199static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
 200        .max_width              = 4,
 201        .cd_type                = S3C_SDHCI_CD_NONE,
 202};
 203
 204static 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
 215static void __init smdk2416_init_time(void)
 216{
 217        s3c2416_init_clocks(12000000);
 218        samsung_timer_init();
 219}
 220
 221static 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
 228static 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
 251MACHINE_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,
 259MACHINE_END
 260