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                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 106                            S3C2410_LCDCON5_INVVLINE |
 107                            S3C2410_LCDCON5_INVVFRAME |
 108                            S3C2410_LCDCON5_PWREN |
 109                            S3C2410_LCDCON5_HWSWP,
 110
 111                 .type           = S3C2410_LCDCON1_TFT,
 112                 .width          = 640,
 113                 .height         = 480,
 114
 115                 .pixclock       = 40000, /* HCLK/4 */
 116                 .xres           = 640,
 117                 .yres           = 480,
 118                 .bpp            = 16,
 119                 .left_margin    = 44,
 120                 .right_margin   = 116,
 121                 .hsync_len      = 96,
 122                 .upper_margin   = 19,
 123                 .lower_margin   = 11,
 124                 .vsync_len      = 15,
 125         },
 126         {
 127                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 128                 .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
 129                            S3C2410_LCDCON1_TFT |
 130                            S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
 131
 132                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 133                            S3C2410_LCDCON5_INVVLINE |
 134                            S3C2410_LCDCON5_INVVFRAME |
 135                            S3C2410_LCDCON5_PWREN |
 136                            S3C2410_LCDCON5_HWSWP,
 137
 138                 .type           = S3C2410_LCDCON1_TFT,
 139                 .width          = 480,
 140                 .height         = 640,
 141                 .pixclock       = 40000, /* HCLK/4 */
 142                 .xres           = 480,
 143                 .yres           = 640,
 144                 .bpp            = 16,
 145                 .left_margin    = 8,
 146                 .right_margin   = 24,
 147                 .hsync_len      = 8,
 148                 .upper_margin   = 2,
 149                 .lower_margin   = 4,
 150                 .vsync_len      = 2,
 151         },
 152         {
 153                 /* Config for 240x320 LCD */
 154                 .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
 155                            S3C2410_LCDCON1_TFT |
 156                            S3C2410_LCDCON1_CLKVAL(0x04),
 157
 158                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 159                            S3C2410_LCDCON5_INVVLINE |
 160                            S3C2410_LCDCON5_INVVFRAME |
 161                            S3C2410_LCDCON5_PWREN |
 162                            S3C2410_LCDCON5_HWSWP,
 163
 164                 .type           = S3C2410_LCDCON1_TFT,
 165                 .width          = 240,
 166                 .height         = 320,
 167                 .pixclock       = 100000, /* HCLK/10 */
 168                 .xres           = 240,
 169                 .yres           = 320,
 170                 .bpp            = 16,
 171                 .left_margin    = 13,
 172                 .right_margin   = 8,
 173                 .hsync_len      = 4,
 174                 .upper_margin   = 2,
 175                 .lower_margin   = 7,
 176                 .vsync_len      = 4,
 177         },
 178 };
 179
 180
 181 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 182         .displays       = qt2410_lcd_cfg,
 183         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 184         .default_display = 0,
 185
 186         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 187 };
 188
 189 /* CS8900 */
 190
 191 static struct resource qt2410_cs89x0_resources[] = {
 192         [0] = {
 193                 .start  = 0x19000000,
 194                 .end    = 0x19000000 + 16,
 195                 .flags  = IORESOURCE_MEM,
 196         },
 197         [1] = {
 198                 .start  = IRQ_EINT9,
 199                 .end    = IRQ_EINT9,
 200                 .flags  = IORESOURCE_IRQ,
 201         },
 202 };
 203
 204 static struct platform_device qt2410_cs89x0 = {
 205         .name           = "cirrus-cs89x0",
 206         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 207         .resource       = qt2410_cs89x0_resources,
 208 };
 209
 210 /* LED */
 211
 212 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 213         .gpio           = S3C2410_GPB0,
 214         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 215         .name           = "led",
 216         .def_trigger    = "timer",
 217 };
 218
 219 static struct platform_device qt2410_led = {
 220         .name           = "s3c24xx_led",
 221         .id             = 0,
 222         .dev            = {
 223                 .platform_data = &qt2410_pdata_led,
 224         },
 225 };
 226
 227 /* SPI */
 228
 229 static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
 230 {
 231         switch (cs) {
 232         case BITBANG_CS_ACTIVE:
 233                 s3c2410_gpio_setpin(S3C2410_GPB5, 0);
 234                 break;
 235         case BITBANG_CS_INACTIVE:
 236                 s3c2410_gpio_setpin(S3C2410_GPB5, 1);
 237                 break;
 238         }
 239 }
 240
 241 static struct s3c2410_spigpio_info spi_gpio_cfg = {
 242         .pin_clk        = S3C2410_GPG7,
 243         .pin_mosi       = S3C2410_GPG6,
 244         .pin_miso       = S3C2410_GPG5,
 245         .chip_select    = &spi_gpio_cs,
 246 };
 247
 248
 249 static struct platform_device qt2410_spi = {
 250         .name             = "s3c24xx-spi-gpio",
 251         .id               = 1,
 252         .dev = {
 253                 .platform_data = &spi_gpio_cfg,
 254         },
 255 };
 256
 257 /* Board devices */
 258
 259 static struct platform_device *qt2410_devices[] __initdata = {
 260         &s3c_device_usb,
 261         &s3c_device_lcd,
 262         &s3c_device_wdt,
 263         &s3c_device_i2c,
 264         &s3c_device_iis,
 265         &s3c_device_sdi,
 266         &s3c_device_usbgadget,
 267         &qt2410_spi,
 268         &qt2410_cs89x0,
 269         &qt2410_led,
 270 };
 271
 272 static struct mtd_partition qt2410_nand_part[] = {
 273         [0] = {
 274                 .name   = "U-Boot",
 275                 .size   = 0x30000,
 276                 .offset = 0,
 277         },
 278         [1] = {
 279                 .name   = "U-Boot environment",
 280                 .offset = 0x30000,
 281                 .size   = 0x4000,
 282         },
 283         [2] = {
 284                 .name   = "kernel",
 285                 .offset = 0x34000,
 286                 .size   = SZ_2M,
 287         },
 288         [3] = {
 289                 .name   = "initrd",
 290                 .offset = 0x234000,
 291                 .size   = SZ_4M,
 292         },
 293         [4] = {
 294                 .name   = "jffs2",
 295                 .offset = 0x634000,
 296                 .size   = 0x39cc000,
 297         },
 298 };
 299
 300 static struct s3c2410_nand_set qt2410_nand_sets[] = {
 301         [0] = {
 302                 .name           = "NAND",
 303                 .nr_chips       = 1,
 304                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 305                 .partitions     = qt2410_nand_part,
 306         },
 307 };
 308
 309 /* choose a set of timings which should suit most 512Mbit
 310  * chips and beyond.
 311  */
 312
 313 static struct s3c2410_platform_nand qt2410_nand_info = {
 314         .tacls          = 20,
 315         .twrph0         = 60,
 316         .twrph1         = 20,
 317         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 318         .sets           = qt2410_nand_sets,
 319 };
 320
 321 /* UDC */
 322
 323 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 324 };
 325
 326 static char tft_type = 's';
 327
 328 static int __init qt2410_tft_setup(char *str)
 329 {
 330         tft_type = str[0];
 331         return 1;
 332 }
 333
 334 __setup("tft=", qt2410_tft_setup);
 335
 336 static void __init qt2410_map_io(void)
 337 {
 338         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 339         s3c24xx_init_clocks(12*1000*1000);
 340         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 341 }
 342
 343 static void __init qt2410_machine_init(void)
 344 {
 345         s3c_device_nand.dev.platform_data = &qt2410_nand_info;
 346
 347         switch (tft_type) {
 348         case 'p': /* production */
 349                 qt2410_fb_info.default_display = 1;
 350                 break;
 351         case 'b': /* big */
 352                 qt2410_fb_info.default_display = 0;
 353                 break;
 354         case 's': /* small */
 355         default:
 356                 qt2410_fb_info.default_display = 2;
 357                 break;
 358         }
 359         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 360
 361         s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
 362         s3c2410_gpio_setpin(S3C2410_GPB0, 1);
 363
 364         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 365
 366         s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
 367
 368         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 369         s3c2410_pm_init();
 370 }
 371
 372 MACHINE_START(QT2410, "QT2410")
 373         .phys_io        = S3C2410_PA_UART,
 374         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 375         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 376         .map_io         = qt2410_map_io,
 377         .init_irq       = s3c24xx_init_irq,
 378         .init_machine   = qt2410_machine_init,
 379         .timer          = &s3c24xx_timer,
 380 MACHINE_END
 381
 382