diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/mach-mini2440.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-mini2440.c | 705 |
1 files changed, 705 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c new file mode 100644 index 000000000000..5d66fb218a41 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c | |||
| @@ -0,0 +1,705 @@ | |||
| 1 | /* linux/arch/arm/mach-s3c2440/mach-mini2440.c | ||
| 2 | * | ||
| 3 | * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> | ||
| 4 | * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> | ||
| 5 | * and modifications by SBZ <sbz@spgui.org> and | ||
| 6 | * Weibing <http://weibing.blogbus.com> and | ||
| 7 | * Michel Pollet <buserror@gmail.com> | ||
| 8 | * | ||
| 9 | * For product information, visit http://code.google.com/p/mini2440/ | ||
| 10 | * | ||
| 11 | * This program is free software; you can redistribute it and/or modify | ||
| 12 | * it under the terms of the GNU General Public License version 2 as | ||
| 13 | * published by the Free Software Foundation. | ||
| 14 | */ | ||
| 15 | |||
| 16 | #include <linux/kernel.h> | ||
| 17 | #include <linux/types.h> | ||
| 18 | #include <linux/interrupt.h> | ||
| 19 | #include <linux/list.h> | ||
| 20 | #include <linux/timer.h> | ||
| 21 | #include <linux/init.h> | ||
| 22 | #include <linux/gpio.h> | ||
| 23 | #include <linux/input.h> | ||
| 24 | #include <linux/io.h> | ||
| 25 | #include <linux/serial_core.h> | ||
| 26 | #include <linux/dm9000.h> | ||
| 27 | #include <linux/i2c/at24.h> | ||
| 28 | #include <linux/platform_device.h> | ||
| 29 | #include <linux/gpio_keys.h> | ||
| 30 | #include <linux/i2c.h> | ||
| 31 | #include <linux/mmc/host.h> | ||
| 32 | |||
| 33 | #include <asm/mach/arch.h> | ||
| 34 | #include <asm/mach/map.h> | ||
| 35 | |||
| 36 | #include <mach/hardware.h> | ||
| 37 | #include <mach/fb.h> | ||
| 38 | #include <asm/mach-types.h> | ||
| 39 | |||
| 40 | #include <plat/regs-serial.h> | ||
| 41 | #include <mach/regs-gpio.h> | ||
| 42 | #include <mach/leds-gpio.h> | ||
| 43 | #include <mach/regs-mem.h> | ||
| 44 | #include <mach/regs-lcd.h> | ||
| 45 | #include <mach/irqs.h> | ||
| 46 | #include <plat/nand.h> | ||
| 47 | #include <plat/iic.h> | ||
| 48 | #include <plat/mci.h> | ||
| 49 | #include <plat/udc.h> | ||
| 50 | |||
| 51 | #include <linux/mtd/mtd.h> | ||
| 52 | #include <linux/mtd/nand.h> | ||
| 53 | #include <linux/mtd/nand_ecc.h> | ||
| 54 | #include <linux/mtd/partitions.h> | ||
| 55 | |||
| 56 | #include <plat/gpio-cfg.h> | ||
| 57 | #include <plat/clock.h> | ||
| 58 | #include <plat/devs.h> | ||
| 59 | #include <plat/cpu.h> | ||
| 60 | |||
| 61 | #include <sound/s3c24xx_uda134x.h> | ||
| 62 | |||
| 63 | #include "common.h" | ||
| 64 | |||
| 65 | #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300) | ||
| 66 | |||
| 67 | static struct map_desc mini2440_iodesc[] __initdata = { | ||
| 68 | /* nothing to declare, move along */ | ||
| 69 | }; | ||
| 70 | |||
| 71 | #define UCON S3C2410_UCON_DEFAULT | ||
| 72 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | ||
| 73 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | ||
| 74 | |||
| 75 | |||
| 76 | static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { | ||
| 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 | /* USB device UDC support */ | ||
| 101 | |||
| 102 | static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { | ||
| 103 | .pullup_pin = S3C2410_GPC(5), | ||
| 104 | }; | ||
| 105 | |||
| 106 | |||
| 107 | /* LCD timing and setup */ | ||
| 108 | |||
| 109 | /* | ||
| 110 | * This macro simplifies the table bellow | ||
| 111 | */ | ||
| 112 | #define _LCD_DECLARE(_clock,_xres,margin_left,margin_right,hsync, \ | ||
| 113 | _yres,margin_top,margin_bottom,vsync, refresh) \ | ||
| 114 | .width = _xres, \ | ||
| 115 | .xres = _xres, \ | ||
| 116 | .height = _yres, \ | ||
| 117 | .yres = _yres, \ | ||
| 118 | .left_margin = margin_left, \ | ||
| 119 | .right_margin = margin_right, \ | ||
| 120 | .upper_margin = margin_top, \ | ||
| 121 | .lower_margin = margin_bottom, \ | ||
| 122 | .hsync_len = hsync, \ | ||
| 123 | .vsync_len = vsync, \ | ||
| 124 | .pixclock = ((_clock*100000000000LL) / \ | ||
| 125 | ((refresh) * \ | ||
| 126 | (hsync + margin_left + _xres + margin_right) * \ | ||
| 127 | (vsync + margin_top + _yres + margin_bottom))), \ | ||
| 128 | .bpp = 16,\ | ||
| 129 | .type = (S3C2410_LCDCON1_TFT16BPP |\ | ||
| 130 | S3C2410_LCDCON1_TFT) | ||
| 131 | |||
| 132 | static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { | ||
| 133 | [0] = { /* mini2440 + 3.5" TFT + touchscreen */ | ||
| 134 | _LCD_DECLARE( | ||
| 135 | 7, /* The 3.5 is quite fast */ | ||
| 136 | 240, 21, 38, 6, /* x timing */ | ||
| 137 | 320, 4, 4, 2, /* y timing */ | ||
| 138 | 60), /* refresh rate */ | ||
| 139 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | ||
| 140 | S3C2410_LCDCON5_INVVLINE | | ||
| 141 | S3C2410_LCDCON5_INVVFRAME | | ||
| 142 | S3C2410_LCDCON5_INVVDEN | | ||
| 143 | S3C2410_LCDCON5_PWREN), | ||
| 144 | }, | ||
| 145 | [1] = { /* mini2440 + 7" TFT + touchscreen */ | ||
| 146 | _LCD_DECLARE( | ||
| 147 | 10, /* the 7" runs slower */ | ||
| 148 | 800, 40, 40, 48, /* x timing */ | ||
| 149 | 480, 29, 3, 3, /* y timing */ | ||
| 150 | 50), /* refresh rate */ | ||
| 151 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | ||
| 152 | S3C2410_LCDCON5_INVVLINE | | ||
| 153 | S3C2410_LCDCON5_INVVFRAME | | ||
| 154 | S3C2410_LCDCON5_PWREN), | ||
| 155 | }, | ||
| 156 | /* The VGA shield can outout at several resolutions. All share | ||
| 157 | * the same timings, however, anything smaller than 1024x768 | ||
| 158 | * will only be displayed in the top left corner of a 1024x768 | ||
| 159 | * XGA output unless you add optional dip switches to the shield. | ||
| 160 | * Therefore timings for other resolutions have been omitted here. | ||
| 161 | */ | ||
| 162 | [2] = { | ||
| 163 | _LCD_DECLARE( | ||
| 164 | 10, | ||
| 165 | 1024, 1, 2, 2, /* y timing */ | ||
| 166 | 768, 200, 16, 16, /* x timing */ | ||
| 167 | 24), /* refresh rate, maximum stable, | ||
| 168 | tested with the FPGA shield */ | ||
| 169 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | ||
| 170 | S3C2410_LCDCON5_HWSWP), | ||
| 171 | }, | ||
| 172 | /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/ | ||
| 173 | [3] = { | ||
| 174 | _LCD_DECLARE( | ||
| 175 | /* clock */ | ||
| 176 | 7, | ||
| 177 | /* xres, margin_right, margin_left, hsync */ | ||
| 178 | 320, 68, 66, 4, | ||
| 179 | /* yres, margin_top, margin_bottom, vsync */ | ||
| 180 | 240, 4, 4, 9, | ||
| 181 | /* refresh rate */ | ||
| 182 | 60), | ||
| 183 | .lcdcon5 = (S3C2410_LCDCON5_FRM565 | | ||
| 184 | S3C2410_LCDCON5_INVVDEN | | ||
| 185 | S3C2410_LCDCON5_INVVFRAME | | ||
| 186 | S3C2410_LCDCON5_INVVLINE | | ||
| 187 | S3C2410_LCDCON5_INVVCLK | | ||
| 188 | S3C2410_LCDCON5_HWSWP), | ||
| 189 | }, | ||
| 190 | }; | ||
| 191 | |||
| 192 | /* todo - put into gpio header */ | ||
| 193 | |||
| 194 | #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) | ||
| 195 | #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) | ||
| 196 | |||
| 197 | static struct s3c2410fb_mach_info mini2440_fb_info __initdata = { | ||
| 198 | .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ | ||
| 199 | .num_displays = 1, | ||
| 200 | .default_display = 0, | ||
| 201 | |||
| 202 | /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN | ||
| 203 | * and disable the pull down resistors on pins we are using for LCD | ||
| 204 | * data. */ | ||
| 205 | |||
| 206 | .gpcup = (0xf << 1) | (0x3f << 10), | ||
| 207 | |||
| 208 | .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | | ||
| 209 | S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | | ||
| 210 | S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | | ||
| 211 | S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | | ||
| 212 | S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), | ||
| 213 | |||
| 214 | .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | | ||
| 215 | S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | | ||
| 216 | S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | | ||
| 217 | S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | | ||
| 218 | S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), | ||
| 219 | |||
| 220 | .gpdup = (0x3f << 2) | (0x3f << 10), | ||
| 221 | |||
| 222 | .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | | ||
| 223 | S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | | ||
| 224 | S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | | ||
| 225 | S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | | ||
| 226 | S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | | ||
| 227 | S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), | ||
| 228 | |||
| 229 | .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | | ||
| 230 | S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | | ||
| 231 | S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | | ||
| 232 | S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| | ||
| 233 | S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| | ||
| 234 | S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), | ||
| 235 | }; | ||
| 236 | |||
| 237 | /* MMC/SD */ | ||
| 238 | |||
| 239 | static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { | ||
| 240 | .gpio_detect = S3C2410_GPG(8), | ||
| 241 | .gpio_wprotect = S3C2410_GPH(8), | ||
| 242 | .set_power = NULL, | ||
| 243 | .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, | ||
| 244 | }; | ||
| 245 | |||
| 246 | /* NAND Flash on MINI2440 board */ | ||
| 247 | |||
| 248 | static struct mtd_partition mini2440_default_nand_part[] __initdata = { | ||
| 249 | [0] = { | ||
| 250 | .name = "u-boot", | ||
| 251 | .size = SZ_256K, | ||
| 252 | .offset = 0, | ||
| 253 | }, | ||
| 254 | [1] = { | ||
| 255 | .name = "u-boot-env", | ||
| 256 | .size = SZ_128K, | ||
| 257 | .offset = SZ_256K, | ||
| 258 | }, | ||
| 259 | [2] = { | ||
| 260 | .name = "kernel", | ||
| 261 | /* 5 megabytes, for a kernel with no modules | ||
| 262 | * or a uImage with a ramdisk attached */ | ||
| 263 | .size = 0x00500000, | ||
| 264 | .offset = SZ_256K + SZ_128K, | ||
| 265 | }, | ||
| 266 | [3] = { | ||
| 267 | .name = "root", | ||
| 268 | .offset = SZ_256K + SZ_128K + 0x00500000, | ||
| 269 | .size = MTDPART_SIZ_FULL, | ||
| 270 | }, | ||
| 271 | }; | ||
| 272 | |||
| 273 | static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { | ||
| 274 | [0] = { | ||
| 275 | .name = "nand", | ||
| 276 | .nr_chips = 1, | ||
| 277 | .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), | ||
| 278 | .partitions = mini2440_default_nand_part, | ||
| 279 | .flash_bbt = 1, /* we use u-boot to create a BBT */ | ||
| 280 | }, | ||
| 281 | }; | ||
| 282 | |||
| 283 | static struct s3c2410_platform_nand mini2440_nand_info __initdata = { | ||
| 284 | .tacls = 0, | ||
| 285 | .twrph0 = 25, | ||
| 286 | .twrph1 = 15, | ||
| 287 | .nr_sets = ARRAY_SIZE(mini2440_nand_sets), | ||
| 288 | .sets = mini2440_nand_sets, | ||
| 289 | .ignore_unset_ecc = 1, | ||
| 290 | }; | ||
| 291 | |||
| 292 | /* DM9000AEP 10/100 ethernet controller */ | ||
| 293 | |||
| 294 | static struct resource mini2440_dm9k_resource[] = { | ||
| 295 | [0] = { | ||
| 296 | .start = MACH_MINI2440_DM9K_BASE, | ||
| 297 | .end = MACH_MINI2440_DM9K_BASE + 3, | ||
| 298 | .flags = IORESOURCE_MEM | ||
| 299 | }, | ||
| 300 | [1] = { | ||
| 301 | .start = MACH_MINI2440_DM9K_BASE + 4, | ||
| 302 | .end = MACH_MINI2440_DM9K_BASE + 7, | ||
| 303 | .flags = IORESOURCE_MEM | ||
| 304 | }, | ||
| 305 | [2] = { | ||
| 306 | .start = IRQ_EINT7, | ||
| 307 | .end = IRQ_EINT7, | ||
| 308 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | ||
| 309 | } | ||
| 310 | }; | ||
| 311 | |||
| 312 | /* | ||
| 313 | * The DM9000 has no eeprom, and it's MAC address is set by | ||
| 314 | * the bootloader before starting the kernel. | ||
| 315 | */ | ||
| 316 | static struct dm9000_plat_data mini2440_dm9k_pdata = { | ||
| 317 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), | ||
| 318 | }; | ||
| 319 | |||
| 320 | static struct platform_device mini2440_device_eth = { | ||
| 321 | .name = "dm9000", | ||
| 322 | .id = -1, | ||
| 323 | .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), | ||
| 324 | .resource = mini2440_dm9k_resource, | ||
| 325 | .dev = { | ||
| 326 | .platform_data = &mini2440_dm9k_pdata, | ||
| 327 | }, | ||
| 328 | }; | ||
| 329 | |||
| 330 | /* CON5 | ||
| 331 | * +--+ /-----\ | ||
| 332 | * | | | | | ||
| 333 | * | | | BAT | | ||
| 334 | * | | \_____/ | ||
| 335 | * | | | ||
| 336 | * | | +----+ +----+ | ||
| 337 | * | | | K5 | | K1 | | ||
| 338 | * | | +----+ +----+ | ||
| 339 | * | | +----+ +----+ | ||
| 340 | * | | | K4 | | K2 | | ||
| 341 | * | | +----+ +----+ | ||
| 342 | * | | +----+ +----+ | ||
| 343 | * | | | K6 | | K3 | | ||
| 344 | * | | +----+ +----+ | ||
| 345 | * ..... | ||
| 346 | */ | ||
| 347 | static struct gpio_keys_button mini2440_buttons[] = { | ||
| 348 | { | ||
| 349 | .gpio = S3C2410_GPG(0), /* K1 */ | ||
| 350 | .code = KEY_F1, | ||
| 351 | .desc = "Button 1", | ||
| 352 | .active_low = 1, | ||
| 353 | }, | ||
| 354 | { | ||
| 355 | .gpio = S3C2410_GPG(3), /* K2 */ | ||
| 356 | .code = KEY_F2, | ||
| 357 | .desc = "Button 2", | ||
| 358 | .active_low = 1, | ||
| 359 | }, | ||
| 360 | { | ||
| 361 | .gpio = S3C2410_GPG(5), /* K3 */ | ||
| 362 | .code = KEY_F3, | ||
| 363 | .desc = "Button 3", | ||
| 364 | .active_low = 1, | ||
| 365 | }, | ||
| 366 | { | ||
| 367 | .gpio = S3C2410_GPG(6), /* K4 */ | ||
| 368 | .code = KEY_POWER, | ||
| 369 | .desc = "Power", | ||
| 370 | .active_low = 1, | ||
| 371 | }, | ||
| 372 | { | ||
| 373 | .gpio = S3C2410_GPG(7), /* K5 */ | ||
| 374 | .code = KEY_F5, | ||
| 375 | .desc = "Button 5", | ||
| 376 | .active_low = 1, | ||
| 377 | }, | ||
| 378 | #if 0 | ||
| 379 | /* this pin is also known as TCLK1 and seems to already | ||
| 380 | * marked as "in use" somehow in the kernel -- possibly wrongly */ | ||
| 381 | { | ||
| 382 | .gpio = S3C2410_GPG(11), /* K6 */ | ||
| 383 | .code = KEY_F6, | ||
| 384 | .desc = "Button 6", | ||
| 385 | .active_low = 1, | ||
| 386 | }, | ||
| 387 | #endif | ||
| 388 | }; | ||
| 389 | |||
| 390 | static struct gpio_keys_platform_data mini2440_button_data = { | ||
| 391 | .buttons = mini2440_buttons, | ||
| 392 | .nbuttons = ARRAY_SIZE(mini2440_buttons), | ||
| 393 | }; | ||
| 394 | |||
| 395 | static struct platform_device mini2440_button_device = { | ||
| 396 | .name = "gpio-keys", | ||
| 397 | .id = -1, | ||
| 398 | .dev = { | ||
| 399 | .platform_data = &mini2440_button_data, | ||
| 400 | } | ||
| 401 | }; | ||
| 402 | |||
| 403 | /* LEDS */ | ||
| 404 | |||
| 405 | static struct s3c24xx_led_platdata mini2440_led1_pdata = { | ||
| 406 | .name = "led1", | ||
| 407 | .gpio = S3C2410_GPB(5), | ||
| 408 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | ||
| 409 | .def_trigger = "heartbeat", | ||
| 410 | }; | ||
| 411 | |||
| 412 | static struct s3c24xx_led_platdata mini2440_led2_pdata = { | ||
| 413 | .name = "led2", | ||
| 414 | .gpio = S3C2410_GPB(6), | ||
| 415 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | ||
| 416 | .def_trigger = "nand-disk", | ||
| 417 | }; | ||
| 418 | |||
| 419 | static struct s3c24xx_led_platdata mini2440_led3_pdata = { | ||
| 420 | .name = "led3", | ||
| 421 | .gpio = S3C2410_GPB(7), | ||
| 422 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | ||
| 423 | .def_trigger = "mmc0", | ||
| 424 | }; | ||
| 425 | |||
| 426 | static struct s3c24xx_led_platdata mini2440_led4_pdata = { | ||
| 427 | .name = "led4", | ||
| 428 | .gpio = S3C2410_GPB(8), | ||
| 429 | .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, | ||
| 430 | .def_trigger = "", | ||
| 431 | }; | ||
| 432 | |||
| 433 | static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { | ||
| 434 | .name = "backlight", | ||
| 435 | .gpio = S3C2410_GPG(4), | ||
| 436 | .def_trigger = "backlight", | ||
| 437 | }; | ||
| 438 | |||
| 439 | static struct platform_device mini2440_led1 = { | ||
| 440 | .name = "s3c24xx_led", | ||
| 441 | .id = 1, | ||
| 442 | .dev = { | ||
| 443 | .platform_data = &mini2440_led1_pdata, | ||
| 444 | }, | ||
| 445 | }; | ||
| 446 | |||
| 447 | static struct platform_device mini2440_led2 = { | ||
| 448 | .name = "s3c24xx_led", | ||
| 449 | .id = 2, | ||
| 450 | .dev = { | ||
| 451 | .platform_data = &mini2440_led2_pdata, | ||
| 452 | }, | ||
| 453 | }; | ||
| 454 | |||
| 455 | static struct platform_device mini2440_led3 = { | ||
| 456 | .name = "s3c24xx_led", | ||
| 457 | .id = 3, | ||
| 458 | .dev = { | ||
| 459 | .platform_data = &mini2440_led3_pdata, | ||
| 460 | }, | ||
| 461 | }; | ||
| 462 | |||
| 463 | static struct platform_device mini2440_led4 = { | ||
| 464 | .name = "s3c24xx_led", | ||
| 465 | .id = 4, | ||
| 466 | .dev = { | ||
| 467 | .platform_data = &mini2440_led4_pdata, | ||
| 468 | }, | ||
| 469 | }; | ||
| 470 | |||
| 471 | static struct platform_device mini2440_led_backlight = { | ||
| 472 | .name = "s3c24xx_led", | ||
| 473 | .id = 5, | ||
| 474 | .dev = { | ||
| 475 | .platform_data = &mini2440_led_backlight_pdata, | ||
| 476 | }, | ||
| 477 | }; | ||
| 478 | |||
| 479 | /* AUDIO */ | ||
| 480 | |||
| 481 | static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = { | ||
| 482 | .l3_clk = S3C2410_GPB(4), | ||
| 483 | .l3_mode = S3C2410_GPB(2), | ||
| 484 | .l3_data = S3C2410_GPB(3), | ||
| 485 | .model = UDA134X_UDA1341 | ||
| 486 | }; | ||
| 487 | |||
| 488 | static struct platform_device mini2440_audio = { | ||
| 489 | .name = "s3c24xx_uda134x", | ||
| 490 | .id = 0, | ||
| 491 | .dev = { | ||
| 492 | .platform_data = &mini2440_audio_pins, | ||
| 493 | }, | ||
| 494 | }; | ||
| 495 | |||
| 496 | /* | ||
| 497 | * I2C devices | ||
| 498 | */ | ||
| 499 | static struct at24_platform_data at24c08 = { | ||
| 500 | .byte_len = SZ_8K / 8, | ||
| 501 | .page_size = 16, | ||
| 502 | }; | ||
| 503 | |||
| 504 | static struct i2c_board_info mini2440_i2c_devs[] __initdata = { | ||
| 505 | { | ||
| 506 | I2C_BOARD_INFO("24c08", 0x50), | ||
| 507 | .platform_data = &at24c08, | ||
| 508 | }, | ||
| 509 | }; | ||
| 510 | |||
| 511 | static struct platform_device uda1340_codec = { | ||
| 512 | .name = "uda134x-codec", | ||
| 513 | .id = -1, | ||
| 514 | }; | ||
| 515 | |||
| 516 | static struct platform_device *mini2440_devices[] __initdata = { | ||
| 517 | &s3c_device_ohci, | ||
| 518 | &s3c_device_wdt, | ||
| 519 | &s3c_device_i2c0, | ||
| 520 | &s3c_device_rtc, | ||
| 521 | &s3c_device_usbgadget, | ||
| 522 | &mini2440_device_eth, | ||
| 523 | &mini2440_led1, | ||
| 524 | &mini2440_led2, | ||
| 525 | &mini2440_led3, | ||
| 526 | &mini2440_led4, | ||
| 527 | &mini2440_button_device, | ||
| 528 | &s3c_device_nand, | ||
| 529 | &s3c_device_sdi, | ||
| 530 | &s3c_device_iis, | ||
| 531 | &uda1340_codec, | ||
| 532 | &mini2440_audio, | ||
| 533 | &samsung_asoc_dma, | ||
| 534 | }; | ||
| 535 | |||
| 536 | static void __init mini2440_map_io(void) | ||
| 537 | { | ||
| 538 | s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); | ||
| 539 | s3c24xx_init_clocks(12000000); | ||
| 540 | s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); | ||
| 541 | } | ||
| 542 | |||
| 543 | /* | ||
| 544 | * mini2440_features string | ||
| 545 | * | ||
| 546 | * t = Touchscreen present | ||
| 547 | * b = backlight control | ||
| 548 | * c = camera [TODO] | ||
| 549 | * 0-9 LCD configuration | ||
| 550 | * | ||
| 551 | */ | ||
| 552 | static char mini2440_features_str[12] __initdata = "0tb"; | ||
| 553 | |||
| 554 | static int __init mini2440_features_setup(char *str) | ||
| 555 | { | ||
| 556 | if (str) | ||
| 557 | strlcpy(mini2440_features_str, str, sizeof(mini2440_features_str)); | ||
| 558 | return 1; | ||
| 559 | } | ||
| 560 | |||
| 561 | __setup("mini2440=", mini2440_features_setup); | ||
| 562 | |||
| 563 | #define FEATURE_SCREEN (1 << 0) | ||
| 564 | #define FEATURE_BACKLIGHT (1 << 1) | ||
| 565 | #define FEATURE_TOUCH (1 << 2) | ||
| 566 | #define FEATURE_CAMERA (1 << 3) | ||
| 567 | |||
| 568 | struct mini2440_features_t { | ||
| 569 | int count; | ||
| 570 | int done; | ||
| 571 | int lcd_index; | ||
| 572 | struct platform_device *optional[8]; | ||
| 573 | }; | ||
| 574 | |||
| 575 | static void __init mini2440_parse_features( | ||
| 576 | struct mini2440_features_t * features, | ||
| 577 | const char * features_str ) | ||
| 578 | { | ||
| 579 | const char * fp = features_str; | ||
| 580 | |||
| 581 | features->count = 0; | ||
| 582 | features->done = 0; | ||
| 583 | features->lcd_index = -1; | ||
| 584 | |||
| 585 | while (*fp) { | ||
| 586 | char f = *fp++; | ||
| 587 | |||
| 588 | switch (f) { | ||
| 589 | case '0'...'9': /* tft screen */ | ||
| 590 | if (features->done & FEATURE_SCREEN) { | ||
| 591 | printk(KERN_INFO "MINI2440: '%c' ignored, " | ||
| 592 | "screen type already set\n", f); | ||
| 593 | } else { | ||
| 594 | int li = f - '0'; | ||
| 595 | if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) | ||
| 596 | printk(KERN_INFO "MINI2440: " | ||
| 597 | "'%c' out of range LCD mode\n", f); | ||
| 598 | else { | ||
| 599 | features->optional[features->count++] = | ||
| 600 | &s3c_device_lcd; | ||
| 601 | features->lcd_index = li; | ||
| 602 | } | ||
| 603 | } | ||
| 604 | features->done |= FEATURE_SCREEN; | ||
| 605 | break; | ||
| 606 | case 'b': | ||
| 607 | if (features->done & FEATURE_BACKLIGHT) | ||
| 608 | printk(KERN_INFO "MINI2440: '%c' ignored, " | ||
| 609 | "backlight already set\n", f); | ||
| 610 | else { | ||
| 611 | features->optional[features->count++] = | ||
| 612 | &mini2440_led_backlight; | ||
| 613 | } | ||
| 614 | features->done |= FEATURE_BACKLIGHT; | ||
| 615 | break; | ||
| 616 | case 't': | ||
| 617 | printk(KERN_INFO "MINI2440: '%c' ignored, " | ||
| 618 | "touchscreen not compiled in\n", f); | ||
| 619 | break; | ||
| 620 | case 'c': | ||
| 621 | if (features->done & FEATURE_CAMERA) | ||
| 622 | printk(KERN_INFO "MINI2440: '%c' ignored, " | ||
| 623 | "camera already registered\n", f); | ||
| 624 | else | ||
| 625 | features->optional[features->count++] = | ||
| 626 | &s3c_device_camif; | ||
| 627 | features->done |= FEATURE_CAMERA; | ||
| 628 | break; | ||
| 629 | } | ||
| 630 | } | ||
| 631 | } | ||
| 632 | |||
| 633 | static void __init mini2440_init(void) | ||
| 634 | { | ||
| 635 | struct mini2440_features_t features = { 0 }; | ||
| 636 | int i; | ||
| 637 | |||
| 638 | printk(KERN_INFO "MINI2440: Option string mini2440=%s\n", | ||
| 639 | mini2440_features_str); | ||
| 640 | |||
| 641 | /* Parse the feature string */ | ||
| 642 | mini2440_parse_features(&features, mini2440_features_str); | ||
| 643 | |||
| 644 | /* turn LCD on */ | ||
| 645 | s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); | ||
| 646 | |||
| 647 | /* Turn the backlight early on */ | ||
| 648 | WARN_ON(gpio_request(S3C2410_GPG(4), "backlight")); | ||
| 649 | gpio_direction_output(S3C2410_GPG(4), 1); | ||
| 650 | |||
| 651 | /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ | ||
| 652 | s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); | ||
| 653 | s3c2410_gpio_setpin(S3C2410_GPB(1), 0); | ||
| 654 | s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT); | ||
| 655 | |||
| 656 | /* mark the key as input, without pullups (there is one on the board) */ | ||
| 657 | for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { | ||
| 658 | s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); | ||
| 659 | s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); | ||
| 660 | } | ||
| 661 | if (features.lcd_index != -1) { | ||
| 662 | int li; | ||
| 663 | |||
| 664 | mini2440_fb_info.displays = | ||
| 665 | &mini2440_lcd_cfg[features.lcd_index]; | ||
| 666 | |||
| 667 | printk(KERN_INFO "MINI2440: LCD"); | ||
| 668 | for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) | ||
| 669 | if (li == features.lcd_index) | ||
| 670 | printk(" [%d:%dx%d]", li, | ||
| 671 | mini2440_lcd_cfg[li].width, | ||
| 672 | mini2440_lcd_cfg[li].height); | ||
| 673 | else | ||
| 674 | printk(" %d:%dx%d", li, | ||
| 675 | mini2440_lcd_cfg[li].width, | ||
| 676 | mini2440_lcd_cfg[li].height); | ||
| 677 | printk("\n"); | ||
| 678 | s3c24xx_fb_set_platdata(&mini2440_fb_info); | ||
| 679 | } | ||
| 680 | |||
| 681 | s3c24xx_udc_set_platdata(&mini2440_udc_cfg); | ||
| 682 | s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); | ||
| 683 | s3c_nand_set_platdata(&mini2440_nand_info); | ||
| 684 | s3c_i2c0_set_platdata(NULL); | ||
| 685 | |||
| 686 | i2c_register_board_info(0, mini2440_i2c_devs, | ||
| 687 | ARRAY_SIZE(mini2440_i2c_devs)); | ||
| 688 | |||
| 689 | platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); | ||
| 690 | |||
| 691 | if (features.count) /* the optional features */ | ||
| 692 | platform_add_devices(features.optional, features.count); | ||
| 693 | |||
| 694 | } | ||
| 695 | |||
| 696 | |||
| 697 | MACHINE_START(MINI2440, "MINI2440") | ||
| 698 | /* Maintainer: Michel Pollet <buserror@gmail.com> */ | ||
| 699 | .atag_offset = 0x100, | ||
| 700 | .map_io = mini2440_map_io, | ||
| 701 | .init_machine = mini2440_init, | ||
| 702 | .init_irq = s3c24xx_init_irq, | ||
| 703 | .timer = &s3c24xx_timer, | ||
| 704 | .restart = s3c244x_restart, | ||
| 705 | MACHINE_END | ||
