arch/arm/mach-s3c2410/mach-qt2410.c

   1 /* linux/arch/arm/mach-s3c2410/mach-qt2410.c
   2  *
   3  * Copyright (C) 2006 by OpenMoko, Inc.
   4  * Author: Harald Welte <laforge@openmoko.org>
   5  * All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  *
  22  */
  23
  24 #include <linux/kernel.h>
  25 #include <linux/types.h>
  26 #include <linux/interrupt.h>
  27 #include <linux/list.h>
  28 #include <linux/timer.h>
  29 #include <linux/init.h>
  30 #include <linux/platform_device.h>
  31 #include <linux/serial_core.h>
  32 #include <linux/mmc/protocol.h>
  33 #include <linux/spi/spi.h>
  34 #include <linux/spi/spi_bitbang.h>
  35
  36 #include <linux/mtd/mtd.h>
  37 #include <linux/mtd/nand.h>
  38 #include <linux/mtd/nand_ecc.h>
  39 #include <linux/mtd/partitions.h>
  40
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/irq.h>
  44
  45 #include <asm/hardware.h>
  46 #include <asm/io.h>
  47 #include <asm/irq.h>
  48 #include <asm/mach-types.h>
  49
  50 #include <asm/arch/regs-gpio.h>
  51 #include <asm/arch/leds-gpio.h>
  52 #include <asm/arch/regs-serial.h>
  53 #include <asm/arch/fb.h>
  54 #include <asm/arch/nand.h>
  55 #include <asm/arch/udc.h>
  56 #include <asm/arch/spi.h>
  57 #include <asm/arch/spi-gpio.h>
  58
  59 #include <asm/plat-s3c24xx/common-smdk.h>
  60 #include <asm/plat-s3c24xx/devs.h>
  61 #include <asm/plat-s3c24xx/cpu.h>
  62 #include <asm/plat-s3c24xx/pm.h>
  63
  64 static struct map_desc qt2410_iodesc[] __initdata = {
  65         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  66 };
  67
  68 #define UCON S3C2410_UCON_DEFAULT
  69 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  70 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  71
  72 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  73         [0] = {
  74                 .hwport      = 0,
  75                 .flags       = 0,
  76                 .ucon        = UCON,
  77                 .ulcon       = ULCON,
  78                 .ufcon       = UFCON,
  79         },
  80         [1] = {
  81                 .hwport      = 1,
  82                 .flags       = 0,
  83                 .ucon        = UCON,
  84                 .ulcon       = ULCON,
  85                 .ufcon       = UFCON,
  86         },
  87         [2] = {
  88                 .hwport      = 2,
  89                 .flags       = 0,
  90                 .ucon        = UCON,
  91                 .ulcon       = ULCON,
  92                 .ufcon       = UFCON,
  93         }
  94 };
  95
  96 /* LCD driver info */
  97
  98 /* Configuration for 640x480 SHARP LQ080V3DG01 */
  99 static struct s3c2410fb_mach_info qt2410_biglcd_cfg __initdata = {
 100         .regs   = {
 101
 102                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 103                                   S3C2410_LCDCON1_TFT |
 104                                   S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
 105
 106                 .lcdcon2        = S3C2410_LCDCON2_VBPD(18) |    /* 19 */
 107                                   S3C2410_LCDCON2_LINEVAL(479) |
 108                                   S3C2410_LCDCON2_VFPD(10) |    /* 11 */
 109                                   S3C2410_LCDCON2_VSPW(14),     /* 15 */
 110
 111                 .lcdcon3        = S3C2410_LCDCON3_HBPD(43) |    /* 44 */
 112                                   S3C2410_LCDCON3_HOZVAL(639) | /* 640 */
 113                                   S3C2410_LCDCON3_HFPD(115),    /* 116 */
 114
 115                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 116                                   S3C2410_LCDCON4_HSPW(95),     /* 96 */
 117
 118                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 119                                   S3C2410_LCDCON5_INVVLINE |
 120                                   S3C2410_LCDCON5_INVVFRAME |
 121                                   S3C2410_LCDCON5_PWREN |
 122                                   S3C2410_LCDCON5_HWSWP,
 123         },
 124
 125         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 126
 127         .width          = 640,
 128         .height         = 480,
 129
 130         .xres           = {
 131                 .min    = 640,
 132                 .max    = 640,
 133                 .defval = 640,
 134         },
 135
 136         .yres           = {
 137                 .min    = 480,
 138                 .max    = 480,
 139                 .defval = 480,
 140         },
 141
 142         .bpp            = {
 143                 .min    = 16,
 144                 .max    = 16,
 145                 .defval = 16,
 146         },
 147 };
 148
 149 /* Configuration for 480x640 toppoly TD028TTEC1 */
 150 static struct s3c2410fb_mach_info qt2410_prodlcd_cfg __initdata = {
 151         .regs   = {
 152
 153                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 154                                   S3C2410_LCDCON1_TFT |
 155                                   S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
 156
 157                 .lcdcon2        = S3C2410_LCDCON2_VBPD(1) |     /* 2 */
 158                                   S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
 159                                   S3C2410_LCDCON2_VFPD(3) |     /* 4 */
 160                                   S3C2410_LCDCON2_VSPW(1),      /* 2 */
 161
 162                 .lcdcon3        = S3C2410_LCDCON3_HBPD(7) |     /* 8 */
 163                                   S3C2410_LCDCON3_HOZVAL(479) | /* 479 */
 164                                   S3C2410_LCDCON3_HFPD(23),     /* 24 */
 165
 166                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 167                                   S3C2410_LCDCON4_HSPW(7),      /* 8 */
 168
 169                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 170                                   S3C2410_LCDCON5_INVVLINE |
 171                                   S3C2410_LCDCON5_INVVFRAME |
 172                                   S3C2410_LCDCON5_PWREN |
 173                                   S3C2410_LCDCON5_HWSWP,
 174         },
 175
 176         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 177
 178         .width          = 480,
 179         .height         = 640,
 180
 181         .xres           = {
 182                 .min    = 480,
 183                 .max    = 480,
 184                 .defval = 480,
 185         },
 186
 187         .yres           = {
 188                 .min    = 640,
 189                 .max    = 640,
 190                 .defval = 640,
 191         },
 192
 193         .bpp            = {
 194                 .min    = 16,
 195                 .max    = 16,
 196                 .defval = 16,
 197         },
 198 };
 199
 200 /* Config for 240x320 LCD */
 201 static struct s3c2410fb_mach_info qt2410_lcd_cfg __initdata = {
 202         .regs   = {
 203
 204                 .lcdcon1        = S3C2410_LCDCON1_TFT16BPP |
 205                                   S3C2410_LCDCON1_TFT |
 206                                   S3C2410_LCDCON1_CLKVAL(0x04),
 207
 208                 .lcdcon2        = S3C2410_LCDCON2_VBPD(1) |
 209                                   S3C2410_LCDCON2_LINEVAL(319) |
 210                                   S3C2410_LCDCON2_VFPD(6) |
 211                                   S3C2410_LCDCON2_VSPW(3),
 212
 213                 .lcdcon3        = S3C2410_LCDCON3_HBPD(12) |
 214                                   S3C2410_LCDCON3_HOZVAL(239) |
 215                                   S3C2410_LCDCON3_HFPD(7),
 216
 217                 .lcdcon4        = S3C2410_LCDCON4_MVAL(0) |
 218                                   S3C2410_LCDCON4_HSPW(3),
 219
 220                 .lcdcon5        = S3C2410_LCDCON5_FRM565 |
 221                                   S3C2410_LCDCON5_INVVLINE |
 222                                   S3C2410_LCDCON5_INVVFRAME |
 223                                   S3C2410_LCDCON5_PWREN |
 224                                   S3C2410_LCDCON5_HWSWP,
 225         },
 226
 227         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 228
 229         .width          = 240,
 230         .height         = 320,
 231
 232         .xres           = {
 233                 .min    = 240,
 234                 .max    = 240,
 235                 .defval = 240,
 236         },
 237
 238         .yres           = {
 239                 .min    = 320,
 240                 .max    = 320,
 241                 .defval = 320,
 242         },
 243
 244         .bpp            = {
 245                 .min    = 16,
 246                 .max    = 16,
 247                 .defval = 16,
 248         },
 249 };
 250
 251 /* CS8900 */
 252
 253 static struct resource qt2410_cs89x0_resources[] = {
 254         [0] = {
 255                 .start  = 0x19000000,
 256                 .end    = 0x19000000 + 16,
 257                 .flags  = IORESOURCE_MEM,
 258         },
 259         [1] = {
 260                 .start  = IRQ_EINT9,
 261                 .end    = IRQ_EINT9,
 262                 .flags  = IORESOURCE_IRQ,
 263         },
 264 };
 265
 266 static struct platform_device qt2410_cs89x0 = {
 267         .name           = "cirrus-cs89x0",
 268         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 269         .resource       = qt2410_cs89x0_resources,
 270 };
 271
 272 /* LED */
 273
 274 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 275         .gpio           = S3C2410_GPB0,
 276         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 277         .name           = "led",
 278         .def_trigger    = "timer",
 279 };
 280
 281 static struct platform_device qt2410_led = {
 282         .name           = "s3c24xx_led",
 283         .id             = 0,
 284         .dev            = {
 285                 .platform_data = &qt2410_pdata_led,
 286         },
 287 };
 288
 289 /* SPI */
 290
 291 static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
 292 {
 293         switch (cs) {
 294         case BITBANG_CS_ACTIVE:
 295                 s3c2410_gpio_setpin(S3C2410_GPB5, 0);
 296                 break;
 297         case BITBANG_CS_INACTIVE:
 298                 s3c2410_gpio_setpin(S3C2410_GPB5, 1);
 299                 break;
 300         }
 301 }
 302
 303 static struct s3c2410_spigpio_info spi_gpio_cfg = {
 304         .pin_clk        = S3C2410_GPG7,
 305         .pin_mosi       = S3C2410_GPG6,
 306         .pin_miso       = S3C2410_GPG5,
 307         .chip_select    = &spi_gpio_cs,
 308 };
 309
 310
 311 static struct platform_device qt2410_spi = {
 312         .name             = "s3c24xx-spi-gpio",
 313         .id               = 1,
 314         .dev = {
 315                 .platform_data = &spi_gpio_cfg,
 316         },
 317 };
 318
 319 /* Board devices */
 320
 321 static struct platform_device *qt2410_devices[] __initdata = {
 322         &s3c_device_usb,
 323         &s3c_device_lcd,
 324         &s3c_device_wdt,
 325         &s3c_device_i2c,
 326         &s3c_device_iis,
 327         &s3c_device_sdi,
 328         &s3c_device_usbgadget,
 329         &qt2410_spi,
 330         &qt2410_cs89x0,
 331         &qt2410_led,
 332 };
 333
 334 static struct s3c24xx_board qt2410_board __initdata = {
 335         .devices       = qt2410_devices,
 336         .devices_count = ARRAY_SIZE(qt2410_devices)
 337 };
 338
 339 static struct mtd_partition qt2410_nand_part[] = {
 340         [0] = {
 341                 .name   = "U-Boot",
 342                 .size   = 0x30000,
 343                 .offset = 0,
 344         },
 345         [1] = {
 346                 .name   = "U-Boot environment",
 347                 .offset = 0x30000,
 348                 .size   = 0x4000,
 349         },
 350         [2] = {
 351                 .name   = "kernel",
 352                 .offset = 0x34000,
 353                 .size   = SZ_2M,
 354         },
 355         [3] = {
 356                 .name   = "initrd",
 357                 .offset = 0x234000,
 358                 .size   = SZ_4M,
 359         },
 360         [4] = {
 361                 .name   = "jffs2",
 362                 .offset = 0x634000,
 363                 .size   = 0x39cc000,
 364         },
 365 };
 366
 367 static struct s3c2410_nand_set qt2410_nand_sets[] = {
 368         [0] = {
 369                 .name           = "NAND",
 370                 .nr_chips       = 1,
 371                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 372                 .partitions     = qt2410_nand_part,
 373         },
 374 };
 375
 376 /* choose a set of timings which should suit most 512Mbit
 377  * chips and beyond.
 378  */
 379
 380 static struct s3c2410_platform_nand qt2410_nand_info = {
 381         .tacls          = 20,
 382         .twrph0         = 60,
 383         .twrph1         = 20,
 384         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 385         .sets           = qt2410_nand_sets,
 386 };
 387
 388 /* UDC */
 389
 390 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 391 };
 392
 393 static char tft_type = 's';
 394
 395 static int __init qt2410_tft_setup(char *str)
 396 {
 397         tft_type = str[0];
 398         return 1;
 399 }
 400
 401 __setup("tft=", qt2410_tft_setup);
 402
 403 static void __init qt2410_map_io(void)
 404 {
 405         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 406         s3c24xx_init_clocks(12*1000*1000);
 407         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 408         s3c24xx_set_board(&qt2410_board);
 409 }
 410
 411 static void __init qt2410_machine_init(void)
 412 {
 413         s3c_device_nand.dev.platform_data = &qt2410_nand_info;
 414
 415         switch (tft_type) {
 416         case 'p': /* production */
 417                 s3c24xx_fb_set_platdata(&qt2410_prodlcd_cfg);
 418                 break;
 419         case 'b': /* big */
 420                 s3c24xx_fb_set_platdata(&qt2410_biglcd_cfg);
 421                 break;
 422         case 's': /* small */
 423         default:
 424                 s3c24xx_fb_set_platdata(&qt2410_lcd_cfg);
 425                 break;
 426         }
 427
 428         s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
 429         s3c2410_gpio_setpin(S3C2410_GPB0, 1);
 430
 431         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 432
 433         s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
 434
 435         s3c2410_pm_init();
 436 }
 437
 438 MACHINE_START(QT2410, "QT2410")
 439         .phys_io        = S3C2410_PA_UART,
 440         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 441         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 442         .map_io         = qt2410_map_io,
 443         .init_irq       = s3c24xx_init_irq,
 444         .init_machine   = qt2410_machine_init,
 445         .timer          = &s3c24xx_timer,
 446 MACHINE_END
 447
 448