arch/arm/mach-s3c/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 <asm/irq.h>
  29 #include <asm/mach-types.h>
  30
  31 #include "hardware-s3c24xx.h"
  32 #include "regs-gpio.h"
  33 #include "regs-s3c2443-clock.h"
  34 #include "gpio-samsung.h"
  35
  36 #include <linux/platform_data/leds-s3c24xx.h>
  37 #include <linux/platform_data/i2c-s3c2410.h>
  38
  39 #include "gpio-cfg.h"
  40 #include "devs.h"
  41 #include "cpu.h"
  42 #include <linux/platform_data/mtd-nand-s3c2410.h>
  43 #include "sdhci.h"
  44 #include <linux/platform_data/usb-s3c2410_udc.h>
  45 #include <linux/platform_data/s3c-hsudc.h>
  46
  47 #include "fb.h"
  48
  49 #include "s3c24xx.h"
  50 #include "common-smdk-s3c24xx.h"
  51
  52 static struct map_desc smdk2416_iodesc[] __initdata = {
  53         /* ISA IO Space map (memory space selected by A24) */
  54
  55         {
  56                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  57                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  58                 .length         = 0x10000,
  59                 .type           = MT_DEVICE,
  60         }, {
  61                 .virtual        = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
  62                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  63                 .length         = SZ_4M,
  64                 .type           = MT_DEVICE,
  65         }, {
  66                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  67                 .pfn            = __phys_to_pfn(S3C2410_CS2),
  68                 .length         = 0x10000,
  69                 .type           = MT_DEVICE,
  70         }, {
  71                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
  72                 .pfn            = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
  73                 .length         = SZ_4M,
  74                 .type           = MT_DEVICE,
  75         }
  76 };
  77
  78 #define UCON (S3C2410_UCON_DEFAULT      | \
  79                 S3C2440_UCON_PCLK       | \
  80                 S3C2443_UCON_RXERR_IRQEN)
  81
  82 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
  83
  84 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
  85                 S3C2410_UFCON_FIFOMODE  | \
  86                 S3C2440_UFCON_TXTRIG16)
  87
  88 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
  89         [0] = {
  90                 .hwport      = 0,
  91                 .flags       = 0,
  92                 .ucon        = UCON,
  93                 .ulcon       = ULCON,
  94                 .ufcon       = UFCON,
  95         },
  96         [1] = {
  97                 .hwport      = 1,
  98                 .flags       = 0,
  99                 .ucon        = UCON,
 100                 .ulcon       = ULCON,
 101                 .ufcon       = UFCON,
 102         },
 103         /* IR port */
 104         [2] = {
 105                 .hwport      = 2,
 106                 .flags       = 0,
 107                 .ucon        = UCON,
 108                 .ulcon       = ULCON | 0x50,
 109                 .ufcon       = UFCON,
 110         },
 111         [3] = {
 112                 .hwport      = 3,
 113                 .flags       = 0,
 114                 .ucon        = UCON,
 115                 .ulcon       = ULCON,
 116                 .ufcon       = UFCON,
 117         }
 118 };
 119
 120 static void smdk2416_hsudc_gpio_init(void)
 121 {
 122         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
 123         s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
 124         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
 125         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
 126 }
 127
 128 static void smdk2416_hsudc_gpio_uninit(void)
 129 {
 130         s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
 131         s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
 132         s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
 133 }
 134
 135 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
 136         .epnum = 9,
 137         .gpio_init = smdk2416_hsudc_gpio_init,
 138         .gpio_uninit = smdk2416_hsudc_gpio_uninit,
 139 };
 140
 141 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
 142         [0] = {
 143                 .default_bpp    = 16,
 144                 .max_bpp        = 32,
 145                 .xres           = 800,
 146                 .yres           = 480,
 147         },
 148 };
 149
 150 static struct fb_videomode smdk2416_lcd_timing = {
 151         .pixclock       = 41094,
 152         .left_margin    = 8,
 153         .right_margin   = 13,
 154         .upper_margin   = 7,
 155         .lower_margin   = 5,
 156         .hsync_len      = 3,
 157         .vsync_len      = 1,
 158         .xres           = 800,
 159         .yres           = 480,
 160 };
 161
 162 static void s3c2416_fb_gpio_setup_24bpp(void)
 163 {
 164         unsigned int gpio;
 165
 166         for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
 167                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 168                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 169         }
 170
 171         for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
 172                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 173                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 174         }
 175
 176         for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
 177                 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
 178                 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
 179         }
 180 }
 181
 182 static struct s3c_fb_platdata smdk2416_fb_platdata = {
 183         .win[0]         = &smdk2416_fb_win[0],
 184         .vtiming        = &smdk2416_lcd_timing,
 185         .setup_gpio     = s3c2416_fb_gpio_setup_24bpp,
 186         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 187         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 188 };
 189
 190 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
 191         .max_width              = 4,
 192         .cd_type                = S3C_SDHCI_CD_GPIO,
 193         .ext_cd_gpio            = S3C2410_GPF(1),
 194         .ext_cd_gpio_invert     = 1,
 195 };
 196
 197 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
 198         .max_width              = 4,
 199         .cd_type                = S3C_SDHCI_CD_NONE,
 200 };
 201
 202 static struct platform_device *smdk2416_devices[] __initdata = {
 203         &s3c_device_fb,
 204         &s3c_device_wdt,
 205         &s3c_device_ohci,
 206         &s3c_device_i2c0,
 207         &s3c_device_hsmmc0,
 208         &s3c_device_hsmmc1,
 209         &s3c_device_usb_hsudc,
 210         &s3c2443_device_dma,
 211 };
 212
 213 static void __init smdk2416_init_time(void)
 214 {
 215         s3c2416_init_clocks(12000000);
 216         s3c24xx_timer_init();
 217 }
 218
 219 static void __init smdk2416_map_io(void)
 220 {
 221         s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
 222         s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
 223         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 224 }
 225
 226 static void __init smdk2416_machine_init(void)
 227 {
 228         s3c_i2c0_set_platdata(NULL);
 229         s3c_fb_set_platdata(&smdk2416_fb_platdata);
 230
 231         s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
 232         s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
 233
 234         s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
 235
 236         gpio_request(S3C2410_GPB(4), "USBHost Power");
 237         gpio_direction_output(S3C2410_GPB(4), 1);
 238
 239         gpio_request(S3C2410_GPB(3), "Display Power");
 240         gpio_direction_output(S3C2410_GPB(3), 1);
 241
 242         gpio_request(S3C2410_GPB(1), "Display Reset");
 243         gpio_direction_output(S3C2410_GPB(1), 1);
 244
 245         platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
 246         smdk_machine_init();
 247 }
 248
 249 MACHINE_START(SMDK2416, "SMDK2416")
 250         /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
 251         .atag_offset    = 0x100,
 252
 253         .init_irq       = s3c2416_init_irq,
 254         .map_io         = smdk2416_map_io,
 255         .init_machine   = smdk2416_machine_init,
 256         .init_time      = smdk2416_init_time,
 257 MACHINE_END