arch/arm/mach-s3c24xx/mach-qt2410.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Copyright (C) 2006 by OpenMoko, Inc.
   4 // Author: Harald Welte <laforge@openmoko.org>
   5 // All rights reserved.
   6
   7 #include <linux/kernel.h>
   8 #include <linux/types.h>
   9 #include <linux/interrupt.h>
  10 #include <linux/list.h>
  11 #include <linux/timer.h>
  12 #include <linux/init.h>
  13 #include <linux/gpio.h>
  14 #include <linux/device.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/serial_core.h>
  17 #include <linux/serial_s3c.h>
  18 #include <linux/spi/spi.h>
  19 #include <linux/spi/spi_gpio.h>
  20 #include <linux/io.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/rawnand.h>
  23 #include <linux/mtd/nand_ecc.h>
  24 #include <linux/mtd/partitions.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <mach/hardware.h>
  31 #include <asm/irq.h>
  32 #include <asm/mach-types.h>
  33
  34 #include <linux/platform_data/leds-s3c24xx.h>
  35 #include <mach/regs-lcd.h>
  36 #include <mach/fb.h>
  37 #include <linux/platform_data/mtd-nand-s3c2410.h>
  38 #include <linux/platform_data/usb-s3c2410_udc.h>
  39 #include <linux/platform_data/i2c-s3c2410.h>
  40 #include <mach/gpio-samsung.h>
  41
  42 #include <plat/gpio-cfg.h>
  43 #include <plat/devs.h>
  44 #include <plat/cpu.h>
  45 #include <plat/pm.h>
  46 #include <plat/samsung-time.h>
  47
  48 #include "common.h"
  49 #include "common-smdk.h"
  50
  51 static struct map_desc qt2410_iodesc[] __initdata = {
  52         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  53 };
  54
  55 #define UCON S3C2410_UCON_DEFAULT
  56 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  57 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  58
  59 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  60         [0] = {
  61                 .hwport      = 0,
  62                 .flags       = 0,
  63                 .ucon        = UCON,
  64                 .ulcon       = ULCON,
  65                 .ufcon       = UFCON,
  66         },
  67         [1] = {
  68                 .hwport      = 1,
  69                 .flags       = 0,
  70                 .ucon        = UCON,
  71                 .ulcon       = ULCON,
  72                 .ufcon       = UFCON,
  73         },
  74         [2] = {
  75                 .hwport      = 2,
  76                 .flags       = 0,
  77                 .ucon        = UCON,
  78                 .ulcon       = ULCON,
  79                 .ufcon       = UFCON,
  80         }
  81 };
  82
  83 /* LCD driver info */
  84
  85 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
  86         {
  87                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
  88                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
  89                            S3C2410_LCDCON5_INVVLINE |
  90                            S3C2410_LCDCON5_INVVFRAME |
  91                            S3C2410_LCDCON5_PWREN |
  92                            S3C2410_LCDCON5_HWSWP,
  93
  94                 .type           = S3C2410_LCDCON1_TFT,
  95                 .width          = 640,
  96                 .height         = 480,
  97
  98                 .pixclock       = 40000, /* HCLK/4 */
  99                 .xres           = 640,
 100                 .yres           = 480,
 101                 .bpp            = 16,
 102                 .left_margin    = 44,
 103                 .right_margin   = 116,
 104                 .hsync_len      = 96,
 105                 .upper_margin   = 19,
 106                 .lower_margin   = 11,
 107                 .vsync_len      = 15,
 108         },
 109         {
 110                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 111                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 112                            S3C2410_LCDCON5_INVVLINE |
 113                            S3C2410_LCDCON5_INVVFRAME |
 114                            S3C2410_LCDCON5_PWREN |
 115                            S3C2410_LCDCON5_HWSWP,
 116
 117                 .type           = S3C2410_LCDCON1_TFT,
 118                 .width          = 480,
 119                 .height         = 640,
 120                 .pixclock       = 40000, /* HCLK/4 */
 121                 .xres           = 480,
 122                 .yres           = 640,
 123                 .bpp            = 16,
 124                 .left_margin    = 8,
 125                 .right_margin   = 24,
 126                 .hsync_len      = 8,
 127                 .upper_margin   = 2,
 128                 .lower_margin   = 4,
 129                 .vsync_len      = 2,
 130         },
 131         {
 132                 /* Config for 240x320 LCD */
 133                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 134                            S3C2410_LCDCON5_INVVLINE |
 135                            S3C2410_LCDCON5_INVVFRAME |
 136                            S3C2410_LCDCON5_PWREN |
 137                            S3C2410_LCDCON5_HWSWP,
 138
 139                 .type           = S3C2410_LCDCON1_TFT,
 140                 .width          = 240,
 141                 .height         = 320,
 142                 .pixclock       = 100000, /* HCLK/10 */
 143                 .xres           = 240,
 144                 .yres           = 320,
 145                 .bpp            = 16,
 146                 .left_margin    = 13,
 147                 .right_margin   = 8,
 148                 .hsync_len      = 4,
 149                 .upper_margin   = 2,
 150                 .lower_margin   = 7,
 151                 .vsync_len      = 4,
 152         },
 153 };
 154
 155
 156 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 157         .displays       = qt2410_lcd_cfg,
 158         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 159         .default_display = 0,
 160
 161         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 162 };
 163
 164 /* CS8900 */
 165
 166 static struct resource qt2410_cs89x0_resources[] = {
 167         [0] = DEFINE_RES_MEM(0x19000000, 17),
 168         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
 169 };
 170
 171 static struct platform_device qt2410_cs89x0 = {
 172         .name           = "cirrus-cs89x0",
 173         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 174         .resource       = qt2410_cs89x0_resources,
 175 };
 176
 177 /* LED */
 178
 179 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 180         .gpio           = S3C2410_GPB(0),
 181         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 182         .name           = "led",
 183         .def_trigger    = "timer",
 184 };
 185
 186 static struct platform_device qt2410_led = {
 187         .name           = "s3c24xx_led",
 188         .id             = 0,
 189         .dev            = {
 190                 .platform_data = &qt2410_pdata_led,
 191         },
 192 };
 193
 194 /* SPI */
 195
 196 static struct spi_gpio_platform_data spi_gpio_cfg = {
 197         .sck            = S3C2410_GPG(7),
 198         .mosi           = S3C2410_GPG(6),
 199         .miso           = S3C2410_GPG(5),
 200 };
 201
 202 static struct platform_device qt2410_spi = {
 203         .name           = "spi-gpio",
 204         .id             = 1,
 205         .dev.platform_data = &spi_gpio_cfg,
 206 };
 207
 208 /* Board devices */
 209
 210 static struct platform_device *qt2410_devices[] __initdata = {
 211         &s3c_device_ohci,
 212         &s3c_device_lcd,
 213         &s3c_device_wdt,
 214         &s3c_device_i2c0,
 215         &s3c_device_iis,
 216         &s3c_device_sdi,
 217         &s3c_device_usbgadget,
 218         &qt2410_spi,
 219         &qt2410_cs89x0,
 220         &qt2410_led,
 221 };
 222
 223 static struct mtd_partition __initdata qt2410_nand_part[] = {
 224         [0] = {
 225                 .name   = "U-Boot",
 226                 .size   = 0x30000,
 227                 .offset = 0,
 228         },
 229         [1] = {
 230                 .name   = "U-Boot environment",
 231                 .offset = 0x30000,
 232                 .size   = 0x4000,
 233         },
 234         [2] = {
 235                 .name   = "kernel",
 236                 .offset = 0x34000,
 237                 .size   = SZ_2M,
 238         },
 239         [3] = {
 240                 .name   = "initrd",
 241                 .offset = 0x234000,
 242                 .size   = SZ_4M,
 243         },
 244         [4] = {
 245                 .name   = "jffs2",
 246                 .offset = 0x634000,
 247                 .size   = 0x39cc000,
 248         },
 249 };
 250
 251 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
 252         [0] = {
 253                 .name           = "NAND",
 254                 .nr_chips       = 1,
 255                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 256                 .partitions     = qt2410_nand_part,
 257         },
 258 };
 259
 260 /* choose a set of timings which should suit most 512Mbit
 261  * chips and beyond.
 262  */
 263
 264 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
 265         .tacls          = 20,
 266         .twrph0         = 60,
 267         .twrph1         = 20,
 268         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 269         .sets           = qt2410_nand_sets,
 270         .ecc_mode       = NAND_ECC_SOFT,
 271 };
 272
 273 /* UDC */
 274
 275 static struct s3c2410_udc_mach_info qt2410_udc_cfg = {
 276 };
 277
 278 static char tft_type = 's';
 279
 280 static int __init qt2410_tft_setup(char *str)
 281 {
 282         tft_type = str[0];
 283         return 1;
 284 }
 285
 286 __setup("tft=", qt2410_tft_setup);
 287
 288 static void __init qt2410_map_io(void)
 289 {
 290         s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
 291         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 292         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 293 }
 294
 295 static void __init qt2410_init_time(void)
 296 {
 297         s3c2410_init_clocks(12000000);
 298         samsung_timer_init();
 299 }
 300
 301 static void __init qt2410_machine_init(void)
 302 {
 303         s3c_nand_set_platdata(&qt2410_nand_info);
 304
 305         switch (tft_type) {
 306         case 'p': /* production */
 307                 qt2410_fb_info.default_display = 1;
 308                 break;
 309         case 'b': /* big */
 310                 qt2410_fb_info.default_display = 0;
 311                 break;
 312         case 's': /* small */
 313         default:
 314                 qt2410_fb_info.default_display = 2;
 315                 break;
 316         }
 317         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 318
 319         /* set initial state of the LED GPIO */
 320         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
 321         gpio_free(S3C2410_GPB(0));
 322
 323         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 324         s3c_i2c0_set_platdata(NULL);
 325
 326         WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
 327         gpio_direction_output(S3C2410_GPB(5), 1);
 328
 329         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 330         s3c_pm_init();
 331 }
 332
 333 MACHINE_START(QT2410, "QT2410")
 334         .atag_offset    = 0x100,
 335         .map_io         = qt2410_map_io,
 336         .init_irq       = s3c2410_init_irq,
 337         .init_machine   = qt2410_machine_init,
 338         .init_time      = qt2410_init_time,
 339 MACHINE_END