arch/arm/mach-s3c24xx/mach-qt2410.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Copyright (C) 2006 by OpenMoko, Inc.
   4 // Author: Harald Welte <laforge@openmoko.org>
   5 // All rights reserved.
   6
   7 #include <linux/kernel.h>
   8 #include <linux/types.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/list.h>
  11 #include <linux/timer.h>
  12 #include <linux/init.h>
  13 #include <linux/gpio.h>
  14 #include <linux/gpio/machine.h>
  15 #include <linux/device.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/serial_core.h>
  18 #include <linux/serial_s3c.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/spi/spi_gpio.h>
  21 #include <linux/io.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/rawnand.h>
  24 #include <linux/mtd/nand_ecc.h>
  25 #include <linux/mtd/partitions.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <linux/platform_data/leds-s3c24xx.h>
  36 #include <mach/regs-lcd.h>
  37 #include <mach/fb.h>
  38 #include <linux/platform_data/mtd-nand-s3c2410.h>
  39 #include <linux/platform_data/usb-s3c2410_udc.h>
  40 #include <linux/platform_data/i2c-s3c2410.h>
  41 #include <mach/gpio-samsung.h>
  42
  43 #include <plat/gpio-cfg.h>
  44 #include <plat/devs.h>
  45 #include <plat/cpu.h>
  46 #include <plat/pm.h>
  47 #include <plat/samsung-time.h>
  48
  49 #include "common.h"
  50 #include "common-smdk.h"
  51
  52 static struct map_desc qt2410_iodesc[] __initdata = {
  53         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  54 };
  55
  56 #define UCON S3C2410_UCON_DEFAULT
  57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  59
  60 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  61         [0] = {
  62                 .hwport      = 0,
  63                 .flags       = 0,
  64                 .ucon        = UCON,
  65                 .ulcon       = ULCON,
  66                 .ufcon       = UFCON,
  67         },
  68         [1] = {
  69                 .hwport      = 1,
  70                 .flags       = 0,
  71                 .ucon        = UCON,
  72                 .ulcon       = ULCON,
  73                 .ufcon       = UFCON,
  74         },
  75         [2] = {
  76                 .hwport      = 2,
  77                 .flags       = 0,
  78                 .ucon        = UCON,
  79                 .ulcon       = ULCON,
  80                 .ufcon       = UFCON,
  81         }
  82 };
  83
  84 /* LCD driver info */
  85
  86 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
  87         {
  88                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
  89                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
  90                            S3C2410_LCDCON5_INVVLINE |
  91                            S3C2410_LCDCON5_INVVFRAME |
  92                            S3C2410_LCDCON5_PWREN |
  93                            S3C2410_LCDCON5_HWSWP,
  94
  95                 .type           = S3C2410_LCDCON1_TFT,
  96                 .width          = 640,
  97                 .height         = 480,
  98
  99                 .pixclock       = 40000, /* HCLK/4 */
 100                 .xres           = 640,
 101                 .yres           = 480,
 102                 .bpp            = 16,
 103                 .left_margin    = 44,
 104                 .right_margin   = 116,
 105                 .hsync_len      = 96,
 106                 .upper_margin   = 19,
 107                 .lower_margin   = 11,
 108                 .vsync_len      = 15,
 109         },
 110         {
 111                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 112                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 113                            S3C2410_LCDCON5_INVVLINE |
 114                            S3C2410_LCDCON5_INVVFRAME |
 115                            S3C2410_LCDCON5_PWREN |
 116                            S3C2410_LCDCON5_HWSWP,
 117
 118                 .type           = S3C2410_LCDCON1_TFT,
 119                 .width          = 480,
 120                 .height         = 640,
 121                 .pixclock       = 40000, /* HCLK/4 */
 122                 .xres           = 480,
 123                 .yres           = 640,
 124                 .bpp            = 16,
 125                 .left_margin    = 8,
 126                 .right_margin   = 24,
 127                 .hsync_len      = 8,
 128                 .upper_margin   = 2,
 129                 .lower_margin   = 4,
 130                 .vsync_len      = 2,
 131         },
 132         {
 133                 /* Config for 240x320 LCD */
 134                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 135                            S3C2410_LCDCON5_INVVLINE |
 136                            S3C2410_LCDCON5_INVVFRAME |
 137                            S3C2410_LCDCON5_PWREN |
 138                            S3C2410_LCDCON5_HWSWP,
 139
 140                 .type           = S3C2410_LCDCON1_TFT,
 141                 .width          = 240,
 142                 .height         = 320,
 143                 .pixclock       = 100000, /* HCLK/10 */
 144                 .xres           = 240,
 145                 .yres           = 320,
 146                 .bpp            = 16,
 147                 .left_margin    = 13,
 148                 .right_margin   = 8,
 149                 .hsync_len      = 4,
 150                 .upper_margin   = 2,
 151                 .lower_margin   = 7,
 152                 .vsync_len      = 4,
 153         },
 154 };
 155
 156
 157 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 158         .displays       = qt2410_lcd_cfg,
 159         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 160         .default_display = 0,
 161
 162         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 163 };
 164
 165 /* CS8900 */
 166
 167 static struct resource qt2410_cs89x0_resources[] = {
 168         [0] = DEFINE_RES_MEM(0x19000000, 17),
 169         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
 170 };
 171
 172 static struct platform_device qt2410_cs89x0 = {
 173         .name           = "cirrus-cs89x0",
 174         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 175         .resource       = qt2410_cs89x0_resources,
 176 };
 177
 178 /* LED */
 179
 180 static struct gpiod_lookup_table qt2410_led_gpio_table = {
 181         .dev_id = "s3c24xx_led.0",
 182         .table = {
 183                 GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
 184                 { },
 185         },
 186 };
 187
 188 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 189         .name           = "led",
 190         .def_trigger    = "timer",
 191 };
 192
 193 static struct platform_device qt2410_led = {
 194         .name           = "s3c24xx_led",
 195         .id             = 0,
 196         .dev            = {
 197                 .platform_data = &qt2410_pdata_led,
 198         },
 199 };
 200
 201 /* SPI */
 202
 203 static struct spi_gpio_platform_data spi_gpio_cfg = {
 204         .num_chipselect = 1,
 205 };
 206
 207 static struct platform_device qt2410_spi = {
 208         .name           = "spi_gpio",
 209         .id             = 1,
 210         .dev.platform_data = &spi_gpio_cfg,
 211 };
 212
 213 static struct gpiod_lookup_table qt2410_spi_gpiod_table = {
 214         .dev_id         = "spi_gpio",
 215         .table          = {
 216                 GPIO_LOOKUP("GPIOG", 7,
 217                             "sck", GPIO_ACTIVE_HIGH),
 218                 GPIO_LOOKUP("GPIOG", 6,
 219                             "mosi", GPIO_ACTIVE_HIGH),
 220                 GPIO_LOOKUP("GPIOG", 5,
 221                             "miso", GPIO_ACTIVE_HIGH),
 222                 GPIO_LOOKUP("GPIOB", 5,
 223                             "cs", GPIO_ACTIVE_HIGH),
 224                 { },
 225         },
 226 };
 227
 228 /* Board devices */
 229
 230 static struct platform_device *qt2410_devices[] __initdata = {
 231         &s3c_device_ohci,
 232         &s3c_device_lcd,
 233         &s3c_device_wdt,
 234         &s3c_device_i2c0,
 235         &s3c_device_iis,
 236         &s3c_device_sdi,
 237         &s3c_device_usbgadget,
 238         &qt2410_spi,
 239         &qt2410_cs89x0,
 240         &qt2410_led,
 241 };
 242
 243 static struct mtd_partition __initdata qt2410_nand_part[] = {
 244         [0] = {
 245                 .name   = "U-Boot",
 246                 .size   = 0x30000,
 247                 .offset = 0,
 248         },
 249         [1] = {
 250                 .name   = "U-Boot environment",
 251                 .offset = 0x30000,
 252                 .size   = 0x4000,
 253         },
 254         [2] = {
 255                 .name   = "kernel",
 256                 .offset = 0x34000,
 257                 .size   = SZ_2M,
 258         },
 259         [3] = {
 260                 .name   = "initrd",
 261                 .offset = 0x234000,
 262                 .size   = SZ_4M,
 263         },
 264         [4] = {
 265                 .name   = "jffs2",
 266                 .offset = 0x634000,
 267                 .size   = 0x39cc000,
 268         },
 269 };
 270
 271 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
 272         [0] = {
 273                 .name           = "NAND",
 274                 .nr_chips       = 1,
 275                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 276                 .partitions     = qt2410_nand_part,
 277         },
 278 };
 279
 280 /* choose a set of timings which should suit most 512Mbit
 281  * chips and beyond.
 282  */
 283
 284 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
 285         .tacls          = 20,
 286         .twrph0         = 60,
 287         .twrph1         = 20,
 288         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 289         .sets           = qt2410_nand_sets,
 290         .ecc_mode       = NAND_ECC_SOFT,
 291 };
 292
 293 /* UDC */
 294
 295 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 296 };
 297
 298 static char tft_type = 's';
 299
 300 static int __init qt2410_tft_setup(char *str)
 301 {
 302         tft_type = str[0];
 303         return 1;
 304 }
 305
 306 __setup("tft=", qt2410_tft_setup);
 307
 308 static void __init qt2410_map_io(void)
 309 {
 310         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 311         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 312         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 313 }
 314
 315 static void __init qt2410_init_time(void)
 316 {
 317         s3c2410_init_clocks(12000000);
 318         samsung_timer_init();
 319 }
 320
 321 static void __init qt2410_machine_init(void)
 322 {
 323         s3c_nand_set_platdata(&qt2410_nand_info);
 324
 325         switch (tft_type) {
 326         case 'p': /* production */
 327                 qt2410_fb_info.default_display = 1;
 328                 break;
 329         case 'b': /* big */
 330                 qt2410_fb_info.default_display = 0;
 331                 break;
 332         case 's': /* small */
 333         default:
 334                 qt2410_fb_info.default_display = 2;
 335                 break;
 336         }
 337         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 338
 339         /* set initial state of the LED GPIO */
 340         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
 341         gpio_free(S3C2410_GPB(0));
 342
 343         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 344         s3c_i2c0_set_platdata(NULL);
 345
 346         gpiod_add_lookup_table(&qt2410_spi_gpiod_table);
 347         s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
 348         gpiod_add_lookup_table(&qt2410_led_gpio_table);
 349         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 350         s3c_pm_init();
 351 }
 352
 353 MACHINE_START(QT2410, "QT2410")
 354         .atag_offset    = 0x100,
 355         .map_io         = qt2410_map_io,
 356         .init_irq       = s3c2410_init_irq,
 357         .init_machine   = qt2410_machine_init,
 358         .init_time      = qt2410_init_time,
 359 MACHINE_END