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/gpio/machine.h>
  15 #include <linux/device.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/serial_core.h>
  18 #include <linux/serial_s3c.h>
  19 #include <linux/spi/spi.h>
  20 #include <linux/spi/spi_gpio.h>
  21 #include <linux/io.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/rawnand.h>
  24 #include <linux/mtd/nand_ecc.h>
  25 #include <linux/mtd/partitions.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <linux/platform_data/leds-s3c24xx.h>
  36 #include <mach/regs-lcd.h>
  37 #include <mach/fb.h>
  38 #include <linux/platform_data/mtd-nand-s3c2410.h>
  39 #include <linux/platform_data/usb-s3c2410_udc.h>
  40 #include <linux/platform_data/i2c-s3c2410.h>
  41 #include <mach/gpio-samsung.h>
  42
  43 #include <plat/gpio-cfg.h>
  44 #include <plat/devs.h>
  45 #include <plat/cpu.h>
  46 #include <plat/pm.h>
  47 #include <plat/samsung-time.h>
  48
  49 #include "common.h"
  50 #include "common-smdk.h"
  51
  52 static struct map_desc qt2410_iodesc[] __initdata = {
  53         { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
  54 };
  55
  56 #define UCON S3C2410_UCON_DEFAULT
  57 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  58 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  59
  60 static struct s3c2410_uartcfg smdk2410_uartcfgs[] = {
  61         [0] = {
  62                 .hwport      = 0,
  63                 .flags       = 0,
  64                 .ucon        = UCON,
  65                 .ulcon       = ULCON,
  66                 .ufcon       = UFCON,
  67         },
  68         [1] = {
  69                 .hwport      = 1,
  70                 .flags       = 0,
  71                 .ucon        = UCON,
  72                 .ulcon       = ULCON,
  73                 .ufcon       = UFCON,
  74         },
  75         [2] = {
  76                 .hwport      = 2,
  77                 .flags       = 0,
  78                 .ucon        = UCON,
  79                 .ulcon       = ULCON,
  80                 .ufcon       = UFCON,
  81         }
  82 };
  83
  84 /* LCD driver info */
  85
  86 static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
  87         {
  88                 /* Configuration for 640x480 SHARP LQ080V3DG01 */
  89                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
  90                            S3C2410_LCDCON5_INVVLINE |
  91                            S3C2410_LCDCON5_INVVFRAME |
  92                            S3C2410_LCDCON5_PWREN |
  93                            S3C2410_LCDCON5_HWSWP,
  94
  95                 .type           = S3C2410_LCDCON1_TFT,
  96                 .width          = 640,
  97                 .height         = 480,
  98
  99                 .pixclock       = 40000, /* HCLK/4 */
 100                 .xres           = 640,
 101                 .yres           = 480,
 102                 .bpp            = 16,
 103                 .left_margin    = 44,
 104                 .right_margin   = 116,
 105                 .hsync_len      = 96,
 106                 .upper_margin   = 19,
 107                 .lower_margin   = 11,
 108                 .vsync_len      = 15,
 109         },
 110         {
 111                 /* Configuration for 480x640 toppoly TD028TTEC1 */
 112                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 113                            S3C2410_LCDCON5_INVVLINE |
 114                            S3C2410_LCDCON5_INVVFRAME |
 115                            S3C2410_LCDCON5_PWREN |
 116                            S3C2410_LCDCON5_HWSWP,
 117
 118                 .type           = S3C2410_LCDCON1_TFT,
 119                 .width          = 480,
 120                 .height         = 640,
 121                 .pixclock       = 40000, /* HCLK/4 */
 122                 .xres           = 480,
 123                 .yres           = 640,
 124                 .bpp            = 16,
 125                 .left_margin    = 8,
 126                 .right_margin   = 24,
 127                 .hsync_len      = 8,
 128                 .upper_margin   = 2,
 129                 .lower_margin   = 4,
 130                 .vsync_len      = 2,
 131         },
 132         {
 133                 /* Config for 240x320 LCD */
 134                 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
 135                            S3C2410_LCDCON5_INVVLINE |
 136                            S3C2410_LCDCON5_INVVFRAME |
 137                            S3C2410_LCDCON5_PWREN |
 138                            S3C2410_LCDCON5_HWSWP,
 139
 140                 .type           = S3C2410_LCDCON1_TFT,
 141                 .width          = 240,
 142                 .height         = 320,
 143                 .pixclock       = 100000, /* HCLK/10 */
 144                 .xres           = 240,
 145                 .yres           = 320,
 146                 .bpp            = 16,
 147                 .left_margin    = 13,
 148                 .right_margin   = 8,
 149                 .hsync_len      = 4,
 150                 .upper_margin   = 2,
 151                 .lower_margin   = 7,
 152                 .vsync_len      = 4,
 153         },
 154 };
 155
 156
 157 static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
 158         .displays       = qt2410_lcd_cfg,
 159         .num_displays   = ARRAY_SIZE(qt2410_lcd_cfg),
 160         .default_display = 0,
 161
 162         .lpcsel         = ((0xCE6) & ~7) | 1<<4,
 163 };
 164
 165 /* CS8900 */
 166
 167 static struct resource qt2410_cs89x0_resources[] = {
 168         [0] = DEFINE_RES_MEM(0x19000000, 17),
 169         [1] = DEFINE_RES_IRQ(IRQ_EINT9),
 170 };
 171
 172 static struct platform_device qt2410_cs89x0 = {
 173         .name           = "cirrus-cs89x0",
 174         .num_resources  = ARRAY_SIZE(qt2410_cs89x0_resources),
 175         .resource       = qt2410_cs89x0_resources,
 176 };
 177
 178 /* LED */
 179
 180 static struct s3c24xx_led_platdata qt2410_pdata_led = {
 181         .gpio           = S3C2410_GPB(0),
 182         .flags          = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE,
 183         .name           = "led",
 184         .def_trigger    = "timer",
 185 };
 186
 187 static struct platform_device qt2410_led = {
 188         .name           = "s3c24xx_led",
 189         .id             = 0,
 190         .dev            = {
 191                 .platform_data = &qt2410_pdata_led,
 192         },
 193 };
 194
 195 /* SPI */
 196
 197 static struct spi_gpio_platform_data spi_gpio_cfg = {
 198         .num_chipselect = 1,
 199 };
 200
 201 static struct platform_device qt2410_spi = {
 202         .name           = "spi_gpio",
 203         .id             = 1,
 204         .dev.platform_data = &spi_gpio_cfg,
 205 };
 206
 207 static struct gpiod_lookup_table qt2410_spi_gpiod_table = {
 208         .dev_id         = "spi_gpio",
 209         .table          = {
 210                 GPIO_LOOKUP("GPIOG", 7,
 211                             "sck", GPIO_ACTIVE_HIGH),
 212                 GPIO_LOOKUP("GPIOG", 6,
 213                             "mosi", GPIO_ACTIVE_HIGH),
 214                 GPIO_LOOKUP("GPIOG", 5,
 215                             "miso", GPIO_ACTIVE_HIGH),
 216                 GPIO_LOOKUP("GPIOB", 5,
 217                             "cs", GPIO_ACTIVE_HIGH),
 218                 { },
 219         },
 220 };
 221
 222 /* Board devices */
 223
 224 static struct platform_device *qt2410_devices[] __initdata = {
 225         &s3c_device_ohci,
 226         &s3c_device_lcd,
 227         &s3c_device_wdt,
 228         &s3c_device_i2c0,
 229         &s3c_device_iis,
 230         &s3c_device_sdi,
 231         &s3c_device_usbgadget,
 232         &qt2410_spi,
 233         &qt2410_cs89x0,
 234         &qt2410_led,
 235 };
 236
 237 static struct mtd_partition __initdata qt2410_nand_part[] = {
 238         [0] = {
 239                 .name   = "U-Boot",
 240                 .size   = 0x30000,
 241                 .offset = 0,
 242         },
 243         [1] = {
 244                 .name   = "U-Boot environment",
 245                 .offset = 0x30000,
 246                 .size   = 0x4000,
 247         },
 248         [2] = {
 249                 .name   = "kernel",
 250                 .offset = 0x34000,
 251                 .size   = SZ_2M,
 252         },
 253         [3] = {
 254                 .name   = "initrd",
 255                 .offset = 0x234000,
 256                 .size   = SZ_4M,
 257         },
 258         [4] = {
 259                 .name   = "jffs2",
 260                 .offset = 0x634000,
 261                 .size   = 0x39cc000,
 262         },
 263 };
 264
 265 static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = {
 266         [0] = {
 267                 .name           = "NAND",
 268                 .nr_chips       = 1,
 269                 .nr_partitions  = ARRAY_SIZE(qt2410_nand_part),
 270                 .partitions     = qt2410_nand_part,
 271         },
 272 };
 273
 274 /* choose a set of timings which should suit most 512Mbit
 275  * chips and beyond.
 276  */
 277
 278 static struct s3c2410_platform_nand __initdata qt2410_nand_info = {
 279         .tacls          = 20,
 280         .twrph0         = 60,
 281         .twrph1         = 20,
 282         .nr_sets        = ARRAY_SIZE(qt2410_nand_sets),
 283         .sets           = qt2410_nand_sets,
 284         .ecc_mode       = NAND_ECC_SOFT,
 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_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
 306         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 307 }
 308
 309 static void __init qt2410_init_time(void)
 310 {
 311         s3c2410_init_clocks(12000000);
 312         samsung_timer_init();
 313 }
 314
 315 static void __init qt2410_machine_init(void)
 316 {
 317         s3c_nand_set_platdata(&qt2410_nand_info);
 318
 319         switch (tft_type) {
 320         case 'p': /* production */
 321                 qt2410_fb_info.default_display = 1;
 322                 break;
 323         case 'b': /* big */
 324                 qt2410_fb_info.default_display = 0;
 325                 break;
 326         case 's': /* small */
 327         default:
 328                 qt2410_fb_info.default_display = 2;
 329                 break;
 330         }
 331         s3c24xx_fb_set_platdata(&qt2410_fb_info);
 332
 333         /* set initial state of the LED GPIO */
 334         WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL));
 335         gpio_free(S3C2410_GPB(0));
 336
 337         s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
 338         s3c_i2c0_set_platdata(NULL);
 339
 340         gpiod_add_lookup_table(&qt2410_spi_gpiod_table);
 341         platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
 342         s3c_pm_init();
 343 }
 344
 345 MACHINE_START(QT2410, "QT2410")
 346         .atag_offset    = 0x100,
 347         .map_io         = qt2410_map_io,
 348         .init_irq       = s3c2410_init_irq,
 349         .init_machine   = qt2410_machine_init,
 350         .init_time      = qt2410_init_time,
 351 MACHINE_END