err.no Git - linux-2.6/blob - 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/sysdev.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/serial_core.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/plat-s3c/regs-serial.h>
  53 #include <asm/arch/fb.h>
  54 #include <asm/plat-s3c/nand.h>
  55 #include <asm/plat-s3c24xx/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 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
  99         {
 100                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
 101                 .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
 102                            S3C2410_LCDCON1_TFT |
 103                            S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
 104
 105                 .lcdcon2 = S3C2410_LCDCON2_VBPD(18) |   /* 19 */
 106                            S3C2410_LCDCON2_LINEVAL(479) |
 107                            S3C2410_LCDCON2_VFPD(10) |   /* 11 */
 108                            S3C2410_LCDCON2_VSPW(14),    /* 15 */
 109
 110                 .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
 111                            S3C2410_LCDCON4_HSPW(95),    /* 96 */
 112
 113                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 114                            S3C2410_LCDCON5_INVVLINE |
 115                            S3C2410_LCDCON5_INVVFRAME |
 116                            S3C2410_LCDCON5_PWREN |
 117                            S3C2410_LCDCON5_HWSWP,
 118
 119                 .type           = S3C2410_LCDCON1_TFT,
 120                 .width          = 640,
 121                 .height         = 480,
 122
 123                 .xres           = 640,
 124                 .yres           = 480,
 125                 .bpp            = 16,
 126                 .left_margin    = 44,
 127                 .right_margin   = 116,
 128         },
 129         {
 130                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 131                 .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
 132                            S3C2410_LCDCON1_TFT |
 133                            S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
 134
 135                 .lcdcon2 = S3C2410_LCDCON2_VBPD(1) |    /* 2 */
 136                            S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
 137                            S3C2410_LCDCON2_VFPD(3) |    /* 4 */
 138                            S3C2410_LCDCON2_VSPW(1),     /* 2 */
 139
 140                 .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
 141                            S3C2410_LCDCON4_HSPW(7),     /* 8 */
 142
 143                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 144                            S3C2410_LCDCON5_INVVLINE |
 145                            S3C2410_LCDCON5_INVVFRAME |
 146                            S3C2410_LCDCON5_PWREN |
 147                            S3C2410_LCDCON5_HWSWP,
 148
 149                 .type           = S3C2410_LCDCON1_TFT,
 150                 .width          = 480,
 151                 .height         = 640,
 152                 .xres           = 480,
 153                 .yres           = 640,
 154                 .bpp            = 16,
 155                 .left_margin    = 8,
 156                 .right_margin   = 24,
 157         },
 158         {
 159                 /* Config for 240x320 LCD */
 160                 .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
 161                            S3C2410_LCDCON1_TFT |
 162                            S3C2410_LCDCON1_CLKVAL(0x04),
 163
 164                 .lcdcon2 = S3C2410_LCDCON2_VBPD(1) |
 165                            S3C2410_LCDCON2_LINEVAL(319) |
 166                            S3C2410_LCDCON2_VFPD(6) |
 167                            S3C2410_LCDCON2_VSPW(3),
 168
 169                 .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
 170                            S3C2410_LCDCON4_HSPW(3),
 171
 172                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 173                            S3C2410_LCDCON5_INVVLINE |
 174                            S3C2410_LCDCON5_INVVFRAME |
 175                            S3C2410_LCDCON5_PWREN |
 176                            S3C2410_LCDCON5_HWSWP,
 177
 178                 .type           = S3C2410_LCDCON1_TFT,
 179                 .width          = 240,
 180                 .height         = 320,
 181                 .xres           = 240,
 182                 .yres           = 320,
 183                 .bpp            = 16,
 184                 .left_margin    = 13,
 185                 .right_margin   = 8,
 186         },
 187 };
 188
 189
 190 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 191         .displays       = qt2410_lcd_cfg,
 192         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 193         .default_display = 0,
 194
 195         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 196 };
 197
 198 /* CS8900 */
 199
 200 static struct resource qt2410_cs89x0_resources[] = {
 201         [0] = {
 202                 .start  = 0x19000000,
 203                 .end    = 0x19000000 + 16,
 204                 .flags  = IORESOURCE_MEM,
 205         },
 206         [1] = {
 207                 .start  = IRQ_EINT9,
 208                 .end    = IRQ_EINT9,
 209                 .flags  = IORESOURCE_IRQ,
 210         },
 211 };
 212
 213 static struct platform_device qt2410_cs89x0 = {
 214         .name           = "cirrus-cs89x0",
 215         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 216         .resource       = qt2410_cs89x0_resources,
 217 };
 218
 219 /* LED */
 220
 221 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 222         .gpio           = S3C2410_GPB0,
 223         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 224         .name           = "led",
 225         .def_trigger    = "timer",
 226 };
 227
 228 static struct platform_device qt2410_led = {
 229         .name           = "s3c24xx_led",
 230         .id             = 0,
 231         .dev            = {
 232                 .platform_data = &qt2410_pdata_led,
 233         },
 234 };
 235
 236 /* SPI */
 237
 238 static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
 239 {
 240         switch (cs) {
 241         case BITBANG_CS_ACTIVE:
 242                 s3c2410_gpio_setpin(S3C2410_GPB5, 0);
 243                 break;
 244         case BITBANG_CS_INACTIVE:
 245                 s3c2410_gpio_setpin(S3C2410_GPB5, 1);
 246                 break;
 247         }
 248 }
 249
 250 static struct s3c2410_spigpio_info spi_gpio_cfg = {
 251         .pin_clk        = S3C2410_GPG7,
 252         .pin_mosi       = S3C2410_GPG6,
 253         .pin_miso       = S3C2410_GPG5,
 254         .chip_select    = &spi_gpio_cs,
 255 };
 256
 257
 258 static struct platform_device qt2410_spi = {
 259         .name             = "s3c24xx-spi-gpio",
 260         .id               = 1,
 261         .dev = {
 262                 .platform_data = &spi_gpio_cfg,
 263         },
 264 };
 265
 266 /* Board devices */
 267
 268 static struct platform_device *qt2410_devices[] __initdata = {
 269         &s3c_device_usb,
 270         &s3c_device_lcd,
 271         &s3c_device_wdt,
 272         &s3c_device_i2c,
 273         &s3c_device_iis,
 274         &s3c_device_sdi,
 275         &s3c_device_usbgadget,
 276         &qt2410_spi,
 277         &qt2410_cs89x0,
 278         &qt2410_led,
 279 };
 280
 281 static struct mtd_partition qt2410_nand_part[] = {
 282         [0] = {
 283                 .name   = "U-Boot",
 284                 .size   = 0x30000,
 285                 .offset = 0,
 286         },
 287         [1] = {
 288                 .name   = "U-Boot environment",
 289                 .offset = 0x30000,
 290                 .size   = 0x4000,
 291         },
 292         [2] = {
 293                 .name   = "kernel",
 294                 .offset = 0x34000,
 295                 .size   = SZ_2M,
 296         },
 297         [3] = {
 298                 .name   = "initrd",
 299                 .offset = 0x234000,
 300                 .size   = SZ_4M,
 301         },
 302         [4] = {
 303                 .name   = "jffs2",
 304                 .offset = 0x634000,
 305                 .size   = 0x39cc000,
 306         },
 307 };
 308
 309 static struct s3c2410_nand_set qt2410_nand_sets[] = {
 310         [0] = {
 311                 .name           = "NAND",
 312                 .nr_chips       = 1,
 313                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 314                 .partitions     = qt2410_nand_part,
 315         },
 316 };
 317
 318 /* choose a set of timings which should suit most 512Mbit
 319  * chips and beyond.
 320  */
 321
 322 static struct s3c2410_platform_nand qt2410_nand_info = {
 323         .tacls          = 20,
 324         .twrph0         = 60,
 325         .twrph1         = 20,
 326         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 327         .sets           = qt2410_nand_sets,
 328 };
 329
 330 /* UDC */
 331
 332 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 333 };
 334
 335 static char tft_type = 's';
 336
 337 static int __init qt2410_tft_setup(char *str)
 338 {
 339         tft_type = str[0];
 340         return 1;
 341 }
 342
 343 __setup("tft=", qt2410_tft_setup);
 344
 345 static void __init qt2410_map_io(void)
 346 {
 347         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 348         s3c24xx_init_clocks(12*1000*1000);
 349         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 350 }
 351
 352 static void __init qt2410_machine_init(void)
 353 {
 354         s3c_device_nand.dev.platform_data = &qt2410_nand_info;
 355
 356         switch (tft_type) {
 357         case 'p': /* production */
 358                 qt2410_fb_info.default_display = 1;
 359                 break;
 360         case 'b': /* big */
 361                 qt2410_fb_info.default_display = 0;
 362                 break;
 363         case 's': /* small */
 364         default:
 365                 qt2410_fb_info.default_display = 2;
 366                 break;
 367         }
 368         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 369
 370         s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
 371         s3c2410_gpio_setpin(S3C2410_GPB0, 1);
 372
 373         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 374
 375         s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
 376
 377         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 378         s3c2410_pm_init();
 379 }
 380
 381 MACHINE_START(QT2410, "QT2410")
 382         .phys_io        = S3C2410_PA_UART,
 383         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 384         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 385         .map_io         = qt2410_map_io,
 386         .init_irq       = s3c24xx_init_irq,
 387         .init_machine   = qt2410_machine_init,
 388         .timer          = &s3c24xx_timer,
 389 MACHINE_END
 390
 391