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/spi/spi.h>
  35 #include <linux/spi/spi_gpio.h>
  36 #include <linux/io.h>
  37 #include <linux/mtd/mtd.h>
  38 #include <linux/mtd/nand.h>
  39 #include <linux/mtd/nand_ecc.h>
  40 #include <linux/mtd/partitions.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/irq.h>
  45
  46 #include <mach/hardware.h>
  47 #include <asm/irq.h>
  48 #include <asm/mach-types.h>
  49
  50 #include <linux/platform_data/leds-s3c24xx.h>
  51 #include <mach/regs-lcd.h>
  52 #include <plat/regs-serial.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
  58 #include <plat/common-smdk.h>
  59 #include <plat/gpio-cfg.h>
  60 #include <plat/devs.h>
  61 #include <plat/cpu.h>
  62 #include <plat/pm.h>
  63
  64 #include "common.h"
  65
  66 static struct map_desc qt2410_iodesc[] __initdata = {
  67         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  68 };
  69
  70 #define UCON S3C2410_UCON_DEFAULT
  71 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  72 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  73
  74 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  75         [0] = {
  76                 .hwport      = 0,
  77                 .flags       = 0,
  78                 .ucon        = UCON,
  79                 .ulcon       = ULCON,
  80                 .ufcon       = UFCON,
  81         },
  82         [1] = {
  83                 .hwport      = 1,
  84                 .flags       = 0,
  85                 .ucon        = UCON,
  86                 .ulcon       = ULCON,
  87                 .ufcon       = UFCON,
  88         },
  89         [2] = {
  90                 .hwport      = 2,
  91                 .flags       = 0,
  92                 .ucon        = UCON,
  93                 .ulcon       = ULCON,
  94                 .ufcon       = UFCON,
  95         }
  96 };
  97
  98 /* LCD driver info */
  99
 100 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
 101         {
 102                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
 103                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 104                            S3C2410_LCDCON5_INVVLINE |
 105                            S3C2410_LCDCON5_INVVFRAME |
 106                            S3C2410_LCDCON5_PWREN |
 107                            S3C2410_LCDCON5_HWSWP,
 108
 109                 .type           = S3C2410_LCDCON1_TFT,
 110                 .width          = 640,
 111                 .height         = 480,
 112
 113                 .pixclock       = 40000, /* HCLK/4 */
 114                 .xres           = 640,
 115                 .yres           = 480,
 116                 .bpp            = 16,
 117                 .left_margin    = 44,
 118                 .right_margin   = 116,
 119                 .hsync_len      = 96,
 120                 .upper_margin   = 19,
 121                 .lower_margin   = 11,
 122                 .vsync_len      = 15,
 123         },
 124         {
 125                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 126                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 127                            S3C2410_LCDCON5_INVVLINE |
 128                            S3C2410_LCDCON5_INVVFRAME |
 129                            S3C2410_LCDCON5_PWREN |
 130                            S3C2410_LCDCON5_HWSWP,
 131
 132                 .type           = S3C2410_LCDCON1_TFT,
 133                 .width          = 480,
 134                 .height         = 640,
 135                 .pixclock       = 40000, /* HCLK/4 */
 136                 .xres           = 480,
 137                 .yres           = 640,
 138                 .bpp            = 16,
 139                 .left_margin    = 8,
 140                 .right_margin   = 24,
 141                 .hsync_len      = 8,
 142                 .upper_margin   = 2,
 143                 .lower_margin   = 4,
 144                 .vsync_len      = 2,
 145         },
 146         {
 147                 /* Config for 240x320 LCD */
 148                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 149                            S3C2410_LCDCON5_INVVLINE |
 150                            S3C2410_LCDCON5_INVVFRAME |
 151                            S3C2410_LCDCON5_PWREN |
 152                            S3C2410_LCDCON5_HWSWP,
 153
 154                 .type           = S3C2410_LCDCON1_TFT,
 155                 .width          = 240,
 156                 .height         = 320,
 157                 .pixclock       = 100000, /* HCLK/10 */
 158                 .xres           = 240,
 159                 .yres           = 320,
 160                 .bpp            = 16,
 161                 .left_margin    = 13,
 162                 .right_margin   = 8,
 163                 .hsync_len      = 4,
 164                 .upper_margin   = 2,
 165                 .lower_margin   = 7,
 166                 .vsync_len      = 4,
 167         },
 168 };
 169
 170
 171 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 172         .displays       = qt2410_lcd_cfg,
 173         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 174         .default_display = 0,
 175
 176         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 177 };
 178
 179 /* CS8900 */
 180
 181 static struct resource qt2410_cs89x0_resources[] = {
 182         [0] = DEFINE_RES_MEM(0x19000000, 17),
 183         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
 184 };
 185
 186 static struct platform_device qt2410_cs89x0 = {
 187         .name           = "cirrus-cs89x0",
 188         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 189         .resource       = qt2410_cs89x0_resources,
 190 };
 191
 192 /* LED */
 193
 194 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 195         .gpio           = S3C2410_GPB(0),
 196         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 197         .name           = "led",
 198         .def_trigger    = "timer",
 199 };
 200
 201 static struct platform_device qt2410_led = {
 202         .name           = "s3c24xx_led",
 203         .id             = 0,
 204         .dev            = {
 205                 .platform_data = &qt2410_pdata_led,
 206         },
 207 };
 208
 209 /* SPI */
 210
 211 static struct spi_gpio_platform_data spi_gpio_cfg = {
 212         .sck            = S3C2410_GPG(7),
 213         .mosi           = S3C2410_GPG(6),
 214         .miso           = S3C2410_GPG(5),
 215 };
 216
 217 static struct platform_device qt2410_spi = {
 218         .name           = "spi-gpio",
 219         .id             = 1,
 220         .dev.platform_data = &spi_gpio_cfg,
 221 };
 222
 223 /* Board devices */
 224
 225 static struct platform_device *qt2410_devices[] __initdata = {
 226         &s3c_device_ohci,
 227         &s3c_device_lcd,
 228         &s3c_device_wdt,
 229         &s3c_device_i2c0,
 230         &s3c_device_iis,
 231         &s3c_device_sdi,
 232         &s3c_device_usbgadget,
 233         &qt2410_spi,
 234         &qt2410_cs89x0,
 235         &qt2410_led,
 236 };
 237
 238 static struct mtd_partition __initdata qt2410_nand_part[] = {
 239         [0] = {
 240                 .name   = "U-Boot",
 241                 .size   = 0x30000,
 242                 .offset = 0,
 243         },
 244         [1] = {
 245                 .name   = "U-Boot environment",
 246                 .offset = 0x30000,
 247                 .size   = 0x4000,
 248         },
 249         [2] = {
 250                 .name   = "kernel",
 251                 .offset = 0x34000,
 252                 .size   = SZ_2M,
 253         },
 254         [3] = {
 255                 .name   = "initrd",
 256                 .offset = 0x234000,
 257                 .size   = SZ_4M,
 258         },
 259         [4] = {
 260                 .name   = "jffs2",
 261                 .offset = 0x634000,
 262                 .size   = 0x39cc000,
 263         },
 264 };
 265
 266 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
 267         [0] = {
 268                 .name           = "NAND",
 269                 .nr_chips       = 1,
 270                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 271                 .partitions     = qt2410_nand_part,
 272         },
 273 };
 274
 275 /* choose a set of timings which should suit most 512Mbit
 276  * chips and beyond.
 277  */
 278
 279 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
 280         .tacls          = 20,
 281         .twrph0         = 60,
 282         .twrph1         = 20,
 283         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 284         .sets           = qt2410_nand_sets,
 285 };
 286
 287 /* UDC */
 288
 289 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 290 };
 291
 292 static char tft_type = 's';
 293
 294 static int __init qt2410_tft_setup(char *str)
 295 {
 296         tft_type = str[0];
 297         return 1;
 298 }
 299
 300 __setup("tft=", qt2410_tft_setup);
 301
 302 static void __init qt2410_map_io(void)
 303 {
 304         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 305         s3c24xx_init_clocks(12*1000*1000);
 306         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 307 }
 308
 309 static void __init qt2410_machine_init(void)
 310 {
 311         s3c_nand_set_platdata(&qt2410_nand_info);
 312
 313         switch (tft_type) {
 314         case 'p': /* production */
 315                 qt2410_fb_info.default_display = 1;
 316                 break;
 317         case 'b': /* big */
 318                 qt2410_fb_info.default_display = 0;
 319                 break;
 320         case 's': /* small */
 321         default:
 322                 qt2410_fb_info.default_display = 2;
 323                 break;
 324         }
 325         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 326
 327         /* set initial state of the LED GPIO */
 328         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
 329         gpio_free(S3C2410_GPB(0));
 330
 331         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 332         s3c_i2c0_set_platdata(NULL);
 333
 334         WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
 335         gpio_direction_output(S3C2410_GPB(5), 1);
 336
 337         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 338         s3c_pm_init();
 339 }
 340
 341 MACHINE_START(QT2410, "QT2410")
 342         .atag_offset    = 0x100,
 343         .map_io         = qt2410_map_io,
 344         .init_irq       = s3c24xx_init_irq,
 345         .init_machine   = qt2410_machine_init,
 346         .init_time      = s3c24xx_timer_init,
 347         .restart        = s3c2410_restart,
 348 MACHINE_END