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 #include <linux/io.h>
  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 <mach/hardware.h>
  46 #include <asm/irq.h>
  47 #include <asm/mach-types.h>
  48
  49 #include <mach/regs-gpio.h>
  50 #include <mach/leds-gpio.h>
  51 #include <plat/regs-serial.h>
  52 #include <mach/fb.h>
  53 #include <plat/nand.h>
  54 #include <plat/udc.h>
  55 #include <mach/spi.h>
  56 #include <mach/spi-gpio.h>
  57 #include <plat/iic.h>
  58
  59 #include <plat/common-smdk.h>
  60 #include <plat/devs.h>
  61 #include <plat/cpu.h>
  62 #include <plat/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                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 102                            S3C2410_LCDCON5_INVVLINE |
 103                            S3C2410_LCDCON5_INVVFRAME |
 104                            S3C2410_LCDCON5_PWREN |
 105                            S3C2410_LCDCON5_HWSWP,
 106
 107                 .type           = S3C2410_LCDCON1_TFT,
 108                 .width          = 640,
 109                 .height         = 480,
 110
 111                 .pixclock       = 40000, /* HCLK/4 */
 112                 .xres           = 640,
 113                 .yres           = 480,
 114                 .bpp            = 16,
 115                 .left_margin    = 44,
 116                 .right_margin   = 116,
 117                 .hsync_len      = 96,
 118                 .upper_margin   = 19,
 119                 .lower_margin   = 11,
 120                 .vsync_len      = 15,
 121         },
 122         {
 123                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 124                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 125                            S3C2410_LCDCON5_INVVLINE |
 126                            S3C2410_LCDCON5_INVVFRAME |
 127                            S3C2410_LCDCON5_PWREN |
 128                            S3C2410_LCDCON5_HWSWP,
 129
 130                 .type           = S3C2410_LCDCON1_TFT,
 131                 .width          = 480,
 132                 .height         = 640,
 133                 .pixclock       = 40000, /* HCLK/4 */
 134                 .xres           = 480,
 135                 .yres           = 640,
 136                 .bpp            = 16,
 137                 .left_margin    = 8,
 138                 .right_margin   = 24,
 139                 .hsync_len      = 8,
 140                 .upper_margin   = 2,
 141                 .lower_margin   = 4,
 142                 .vsync_len      = 2,
 143         },
 144         {
 145                 /* Config for 240x320 LCD */
 146                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 147                            S3C2410_LCDCON5_INVVLINE |
 148                            S3C2410_LCDCON5_INVVFRAME |
 149                            S3C2410_LCDCON5_PWREN |
 150                            S3C2410_LCDCON5_HWSWP,
 151
 152                 .type           = S3C2410_LCDCON1_TFT,
 153                 .width          = 240,
 154                 .height         = 320,
 155                 .pixclock       = 100000, /* HCLK/10 */
 156                 .xres           = 240,
 157                 .yres           = 320,
 158                 .bpp            = 16,
 159                 .left_margin    = 13,
 160                 .right_margin   = 8,
 161                 .hsync_len      = 4,
 162                 .upper_margin   = 2,
 163                 .lower_margin   = 7,
 164                 .vsync_len      = 4,
 165         },
 166 };
 167
 168
 169 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 170         .displays       = qt2410_lcd_cfg,
 171         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 172         .default_display = 0,
 173
 174         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 175 };
 176
 177 /* CS8900 */
 178
 179 static struct resource qt2410_cs89x0_resources[] = {
 180         [0] = {
 181                 .start  = 0x19000000,
 182                 .end    = 0x19000000 + 16,
 183                 .flags  = IORESOURCE_MEM,
 184         },
 185         [1] = {
 186                 .start  = IRQ_EINT9,
 187                 .end    = IRQ_EINT9,
 188                 .flags  = IORESOURCE_IRQ,
 189         },
 190 };
 191
 192 static struct platform_device qt2410_cs89x0 = {
 193         .name           = "cirrus-cs89x0",
 194         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 195         .resource       = qt2410_cs89x0_resources,
 196 };
 197
 198 /* LED */
 199
 200 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 201         .gpio           = S3C2410_GPB0,
 202         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 203         .name           = "led",
 204         .def_trigger    = "timer",
 205 };
 206
 207 static struct platform_device qt2410_led = {
 208         .name           = "s3c24xx_led",
 209         .id             = 0,
 210         .dev            = {
 211                 .platform_data = &qt2410_pdata_led,
 212         },
 213 };
 214
 215 /* SPI */
 216
 217 static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
 218 {
 219         switch (cs) {
 220         case BITBANG_CS_ACTIVE:
 221                 s3c2410_gpio_setpin(S3C2410_GPB5, 0);
 222                 break;
 223         case BITBANG_CS_INACTIVE:
 224                 s3c2410_gpio_setpin(S3C2410_GPB5, 1);
 225                 break;
 226         }
 227 }
 228
 229 static struct s3c2410_spigpio_info spi_gpio_cfg = {
 230         .pin_clk        = S3C2410_GPG7,
 231         .pin_mosi       = S3C2410_GPG6,
 232         .pin_miso       = S3C2410_GPG5,
 233         .chip_select    = &spi_gpio_cs,
 234 };
 235
 236
 237 static struct platform_device qt2410_spi = {
 238         .name             = "s3c24xx-spi-gpio",
 239         .id               = 1,
 240         .dev = {
 241                 .platform_data = &spi_gpio_cfg,
 242         },
 243 };
 244
 245 /* Board devices */
 246
 247 static struct platform_device *qt2410_devices[] __initdata = {
 248         &s3c_device_usb,
 249         &s3c_device_lcd,
 250         &s3c_device_wdt,
 251         &s3c_device_i2c0,
 252         &s3c_device_iis,
 253         &s3c_device_sdi,
 254         &s3c_device_usbgadget,
 255         &qt2410_spi,
 256         &qt2410_cs89x0,
 257         &qt2410_led,
 258 };
 259
 260 static struct mtd_partition qt2410_nand_part[] = {
 261         [0] = {
 262                 .name   = "U-Boot",
 263                 .size   = 0x30000,
 264                 .offset = 0,
 265         },
 266         [1] = {
 267                 .name   = "U-Boot environment",
 268                 .offset = 0x30000,
 269                 .size   = 0x4000,
 270         },
 271         [2] = {
 272                 .name   = "kernel",
 273                 .offset = 0x34000,
 274                 .size   = SZ_2M,
 275         },
 276         [3] = {
 277                 .name   = "initrd",
 278                 .offset = 0x234000,
 279                 .size   = SZ_4M,
 280         },
 281         [4] = {
 282                 .name   = "jffs2",
 283                 .offset = 0x634000,
 284                 .size   = 0x39cc000,
 285         },
 286 };
 287
 288 static struct s3c2410_nand_set qt2410_nand_sets[] = {
 289         [0] = {
 290                 .name           = "NAND",
 291                 .nr_chips       = 1,
 292                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 293                 .partitions     = qt2410_nand_part,
 294         },
 295 };
 296
 297 /* choose a set of timings which should suit most 512Mbit
 298  * chips and beyond.
 299  */
 300
 301 static struct s3c2410_platform_nand qt2410_nand_info = {
 302         .tacls          = 20,
 303         .twrph0         = 60,
 304         .twrph1         = 20,
 305         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 306         .sets           = qt2410_nand_sets,
 307 };
 308
 309 /* UDC */
 310
 311 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 312 };
 313
 314 static char tft_type = 's';
 315
 316 static int __init qt2410_tft_setup(char *str)
 317 {
 318         tft_type = str[0];
 319         return 1;
 320 }
 321
 322 __setup("tft=", qt2410_tft_setup);
 323
 324 static void __init qt2410_map_io(void)
 325 {
 326         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 327         s3c24xx_init_clocks(12*1000*1000);
 328         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 329 }
 330
 331 static void __init qt2410_machine_init(void)
 332 {
 333         s3c_device_nand.dev.platform_data = &qt2410_nand_info;
 334
 335         switch (tft_type) {
 336         case 'p': /* production */
 337                 qt2410_fb_info.default_display = 1;
 338                 break;
 339         case 'b': /* big */
 340                 qt2410_fb_info.default_display = 0;
 341                 break;
 342         case 's': /* small */
 343         default:
 344                 qt2410_fb_info.default_display = 2;
 345                 break;
 346         }
 347         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 348
 349         s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
 350         s3c2410_gpio_setpin(S3C2410_GPB0, 1);
 351
 352         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 353         s3c_i2c0_set_platdata(NULL);
 354
 355         s3c2410_gpio_cfgpin(S3C2410_GPB5, S3C2410_GPIO_OUTPUT);
 356
 357         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 358         s3c_pm_init();
 359 }
 360
 361 MACHINE_START(QT2410, "QT2410")
 362         .phys_io        = S3C2410_PA_UART,
 363         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 364         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 365         .map_io         = qt2410_map_io,
 366         .init_irq       = s3c24xx_init_irq,
 367         .init_machine   = qt2410_machine_init,
 368         .timer          = &s3c24xx_timer,
 369 MACHINE_END
 370
 371