kernel/arch/arm/mach-s3c24xx/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/gpio.h>
  31 #include <linux/device.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/serial_core.h>
  34 #include <linux/serial_s3c.h>
  35 #include <linux/spi/spi.h>
  36 #include <linux/spi/spi_gpio.h>
  37 #include <linux/io.h>
  38 #include <linux/mtd/mtd.h>
  39 #include <linux/mtd/nand.h>
  40 #include <linux/mtd/nand_ecc.h>
  41 #include <linux/mtd/partitions.h>
  42
  43 #include <asm/mach/arch.h>
  44 #include <asm/mach/map.h>
  45 #include <asm/mach/irq.h>
  46
  47 #include <mach/hardware.h>
  48 #include <asm/irq.h>
  49 #include <asm/mach-types.h>
  50
  51 #include <linux/platform_data/leds-s3c24xx.h>
  52 #include <mach/regs-lcd.h>
  53 #include <mach/fb.h>
  54 #include <linux/platform_data/mtd-nand-s3c2410.h>
  55 #include <linux/platform_data/usb-s3c2410_udc.h>
  56 #include <linux/platform_data/i2c-s3c2410.h>
  57 #include <mach/gpio-samsung.h>
  58
  59 #include <plat/gpio-cfg.h>
  60 #include <plat/devs.h>
  61 #include <plat/cpu.h>
  62 #include <plat/pm.h>
  63 #include <plat/samsung-time.h>
  64
  65 #include "common.h"
  66 #include "common-smdk.h"
  67
  68 static struct map_desc qt2410_iodesc[] __initdata = {
  69         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  70 };
  71
  72 #define UCON S3C2410_UCON_DEFAULT
  73 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  74 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  75
  76 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  77         [0] = {
  78                 .hwport      = 0,
  79                 .flags       = 0,
  80                 .ucon        = UCON,
  81                 .ulcon       = ULCON,
  82                 .ufcon       = UFCON,
  83         },
  84         [1] = {
  85                 .hwport      = 1,
  86                 .flags       = 0,
  87                 .ucon        = UCON,
  88                 .ulcon       = ULCON,
  89                 .ufcon       = UFCON,
  90         },
  91         [2] = {
  92                 .hwport      = 2,
  93                 .flags       = 0,
  94                 .ucon        = UCON,
  95                 .ulcon       = ULCON,
  96                 .ufcon       = UFCON,
  97         }
  98 };
  99
 100 /* LCD driver info */
 101
 102 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
 103         {
 104                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
 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                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 129                            S3C2410_LCDCON5_INVVLINE |
 130                            S3C2410_LCDCON5_INVVFRAME |
 131                            S3C2410_LCDCON5_PWREN |
 132                            S3C2410_LCDCON5_HWSWP,
 133
 134                 .type           = S3C2410_LCDCON1_TFT,
 135                 .width          = 480,
 136                 .height         = 640,
 137                 .pixclock       = 40000, /* HCLK/4 */
 138                 .xres           = 480,
 139                 .yres           = 640,
 140                 .bpp            = 16,
 141                 .left_margin    = 8,
 142                 .right_margin   = 24,
 143                 .hsync_len      = 8,
 144                 .upper_margin   = 2,
 145                 .lower_margin   = 4,
 146                 .vsync_len      = 2,
 147         },
 148         {
 149                 /* Config for 240x320 LCD */
 150                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 151                            S3C2410_LCDCON5_INVVLINE |
 152                            S3C2410_LCDCON5_INVVFRAME |
 153                            S3C2410_LCDCON5_PWREN |
 154                            S3C2410_LCDCON5_HWSWP,
 155
 156                 .type           = S3C2410_LCDCON1_TFT,
 157                 .width          = 240,
 158                 .height         = 320,
 159                 .pixclock       = 100000, /* HCLK/10 */
 160                 .xres           = 240,
 161                 .yres           = 320,
 162                 .bpp            = 16,
 163                 .left_margin    = 13,
 164                 .right_margin   = 8,
 165                 .hsync_len      = 4,
 166                 .upper_margin   = 2,
 167                 .lower_margin   = 7,
 168                 .vsync_len      = 4,
 169         },
 170 };
 171
 172
 173 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 174         .displays       = qt2410_lcd_cfg,
 175         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 176         .default_display = 0,
 177
 178         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 179 };
 180
 181 /* CS8900 */
 182
 183 static struct resource qt2410_cs89x0_resources[] = {
 184         [0] = DEFINE_RES_MEM(0x19000000, 17),
 185         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
 186 };
 187
 188 static struct platform_device qt2410_cs89x0 = {
 189         .name           = "cirrus-cs89x0",
 190         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 191         .resource       = qt2410_cs89x0_resources,
 192 };
 193
 194 /* LED */
 195
 196 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 197         .gpio           = S3C2410_GPB(0),
 198         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 199         .name           = "led",
 200         .def_trigger    = "timer",
 201 };
 202
 203 static struct platform_device qt2410_led = {
 204         .name           = "s3c24xx_led",
 205         .id             = 0,
 206         .dev            = {
 207                 .platform_data = &qt2410_pdata_led,
 208         },
 209 };
 210
 211 /* SPI */
 212
 213 static struct spi_gpio_platform_data spi_gpio_cfg = {
 214         .sck            = S3C2410_GPG(7),
 215         .mosi           = S3C2410_GPG(6),
 216         .miso           = S3C2410_GPG(5),
 217 };
 218
 219 static struct platform_device qt2410_spi = {
 220         .name           = "spi-gpio",
 221         .id             = 1,
 222         .dev.platform_data = &spi_gpio_cfg,
 223 };
 224
 225 /* Board devices */
 226
 227 static struct platform_device *qt2410_devices[] __initdata = {
 228         &s3c_device_ohci,
 229         &s3c_device_lcd,
 230         &s3c_device_wdt,
 231         &s3c_device_i2c0,
 232         &s3c_device_iis,
 233         &s3c_device_sdi,
 234         &s3c_device_usbgadget,
 235         &qt2410_spi,
 236         &qt2410_cs89x0,
 237         &qt2410_led,
 238 };
 239
 240 static struct mtd_partition __initdata qt2410_nand_part[] = {
 241         [0] = {
 242                 .name   = "U-Boot",
 243                 .size   = 0x30000,
 244                 .offset = 0,
 245         },
 246         [1] = {
 247                 .name   = "U-Boot environment",
 248                 .offset = 0x30000,
 249                 .size   = 0x4000,
 250         },
 251         [2] = {
 252                 .name   = "kernel",
 253                 .offset = 0x34000,
 254                 .size   = SZ_2M,
 255         },
 256         [3] = {
 257                 .name   = "initrd",
 258                 .offset = 0x234000,
 259                 .size   = SZ_4M,
 260         },
 261         [4] = {
 262                 .name   = "jffs2",
 263                 .offset = 0x634000,
 264                 .size   = 0x39cc000,
 265         },
 266 };
 267
 268 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
 269         [0] = {
 270                 .name           = "NAND",
 271                 .nr_chips       = 1,
 272                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 273                 .partitions     = qt2410_nand_part,
 274         },
 275 };
 276
 277 /* choose a set of timings which should suit most 512Mbit
 278  * chips and beyond.
 279  */
 280
 281 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
 282         .tacls          = 20,
 283         .twrph0         = 60,
 284         .twrph1         = 20,
 285         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 286         .sets           = qt2410_nand_sets,
 287 };
 288
 289 /* UDC */
 290
 291 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 292 };
 293
 294 static char tft_type = 's';
 295
 296 static int __init qt2410_tft_setup(char *str)
 297 {
 298         tft_type = str[0];
 299         return 1;
 300 }
 301
 302 __setup("tft=", qt2410_tft_setup);
 303
 304 static void __init qt2410_map_io(void)
 305 {
 306         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 307         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 308         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 309 }
 310
 311 static void __init qt2410_init_time(void)
 312 {
 313         s3c2410_init_clocks(12000000);
 314         samsung_timer_init();
 315 }
 316
 317 static void __init qt2410_machine_init(void)
 318 {
 319         s3c_nand_set_platdata(&qt2410_nand_info);
 320
 321         switch (tft_type) {
 322         case 'p': /* production */
 323                 qt2410_fb_info.default_display = 1;
 324                 break;
 325         case 'b': /* big */
 326                 qt2410_fb_info.default_display = 0;
 327                 break;
 328         case 's': /* small */
 329         default:
 330                 qt2410_fb_info.default_display = 2;
 331                 break;
 332         }
 333         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 334
 335         /* set initial state of the LED GPIO */
 336         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
 337         gpio_free(S3C2410_GPB(0));
 338
 339         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 340         s3c_i2c0_set_platdata(NULL);
 341
 342         WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
 343         gpio_direction_output(S3C2410_GPB(5), 1);
 344
 345         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 346         s3c_pm_init();
 347 }
 348
 349 MACHINE_START(QT2410, "QT2410")
 350         .atag_offset    = 0x100,
 351         .map_io         = qt2410_map_io,
 352         .init_irq       = s3c2410_init_irq,
 353         .init_machine   = qt2410_machine_init,
 354         .init_time      = qt2410_init_time,
 355 MACHINE_END