1 /* 2 * linux/arch/arm/mach-omap1/board-osk.c 3 * 4 * Board specific init for OMAP5912 OSK 5 * 6 * Written by Dirk Behme <dirk.behme@de.bosch.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 * 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * You should have received a copy of the GNU General Public License along 25 * with this program; if not, write to the Free Software Foundation, Inc., 26 * 675 Mass Ave, Cambridge, MA 02139, USA. 27 */ 28 29 #include <linux/kernel.h> 30 #include <linux/init.h> 31 #include <linux/platform_device.h> 32 #include <linux/interrupt.h> 33 #include <linux/irq.h> 34 #include <linux/i2c.h> 35 36 #include <linux/mtd/mtd.h> 37 #include <linux/mtd/partitions.h> 38 39 #include <linux/i2c/tps65010.h> 40 41 #include <asm/hardware.h> 42 #include <asm/gpio.h> 43 44 #include <asm/mach-types.h> 45 #include <asm/mach/arch.h> 46 #include <asm/mach/map.h> 47 #include <asm/mach/flash.h> 48 49 #include <asm/arch/usb.h> 50 #include <asm/arch/mux.h> 51 #include <asm/arch/tc.h> 52 #include <asm/arch/common.h> 53 #include <asm/arch/mcbsp.h> 54 #include <asm/arch/omap-alsa.h> 55 56 static struct mtd_partition osk_partitions[] = { 57 /* bootloader (U-Boot, etc) in first sector */ 58 { 59 .name = "bootloader", 60 .offset = 0, 61 .size = SZ_128K, 62 .mask_flags = MTD_WRITEABLE, /* force read-only */ 63 }, 64 /* bootloader params in the next sector */ 65 { 66 .name = "params", 67 .offset = MTDPART_OFS_APPEND, 68 .size = SZ_128K, 69 .mask_flags = 0, 70 }, { 71 .name = "kernel", 72 .offset = MTDPART_OFS_APPEND, 73 .size = SZ_2M, 74 .mask_flags = 0 75 }, { 76 .name = "filesystem", 77 .offset = MTDPART_OFS_APPEND, 78 .size = MTDPART_SIZ_FULL, 79 .mask_flags = 0 80 } 81 }; 82 83 static struct flash_platform_data osk_flash_data = { 84 .map_name = "cfi_probe", 85 .width = 2, 86 .parts = osk_partitions, 87 .nr_parts = ARRAY_SIZE(osk_partitions), 88 }; 89 90 static struct resource osk_flash_resource = { 91 /* this is on CS3, wherever it's mapped */ 92 .flags = IORESOURCE_MEM, 93 }; 94 95 static struct platform_device osk5912_flash_device = { 96 .name = "omapflash", 97 .id = 0, 98 .dev = { 99 .platform_data = &osk_flash_data, 100 }, 101 .num_resources = 1, 102 .resource = &osk_flash_resource, 103 }; 104 105 static struct resource osk5912_smc91x_resources[] = { 106 [0] = { 107 .start = OMAP_OSK_ETHR_START, /* Physical */ 108 .end = OMAP_OSK_ETHR_START + 0xf, 109 .flags = IORESOURCE_MEM, 110 }, 111 [1] = { 112 .start = OMAP_GPIO_IRQ(0), 113 .end = OMAP_GPIO_IRQ(0), 114 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 115 }, 116 }; 117 118 static struct platform_device osk5912_smc91x_device = { 119 .name = "smc91x", 120 .id = -1, 121 .num_resources = ARRAY_SIZE(osk5912_smc91x_resources), 122 .resource = osk5912_smc91x_resources, 123 }; 124 125 static struct resource osk5912_cf_resources[] = { 126 [0] = { 127 .start = OMAP_GPIO_IRQ(62), 128 .end = OMAP_GPIO_IRQ(62), 129 .flags = IORESOURCE_IRQ, 130 }, 131 }; 132 133 static struct platform_device osk5912_cf_device = { 134 .name = "omap_cf", 135 .id = -1, 136 .dev = { 137 .platform_data = (void *) 2 /* CS2 */, 138 }, 139 .num_resources = ARRAY_SIZE(osk5912_cf_resources), 140 .resource = osk5912_cf_resources, 141 }; 142 143 #define DEFAULT_BITPERSAMPLE 16 144 145 static struct omap_mcbsp_reg_cfg mcbsp_regs = { 146 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), 147 .spcr1 = RINTM(3) | RRST, 148 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | 149 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), 150 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), 151 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | 152 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, 153 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), 154 .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), 155 .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), 156 /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */ 157 .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ 158 }; 159 160 static struct omap_alsa_codec_config alsa_config = { 161 .name = "OSK AIC23", 162 .mcbsp_regs_alsa = &mcbsp_regs, 163 .codec_configure_dev = NULL, /* aic23_configure, */ 164 .codec_set_samplerate = NULL, /* aic23_set_samplerate, */ 165 .codec_clock_setup = NULL, /* aic23_clock_setup, */ 166 .codec_clock_on = NULL, /* aic23_clock_on, */ 167 .codec_clock_off = NULL, /* aic23_clock_off, */ 168 .get_default_samplerate = NULL, /* aic23_get_default_samplerate, */ 169 }; 170 171 static struct platform_device osk5912_mcbsp1_device = { 172 .name = "omap_alsa_mcbsp", 173 .id = 1, 174 .dev = { 175 .platform_data = &alsa_config, 176 }, 177 }; 178 179 static struct platform_device *osk5912_devices[] __initdata = { 180 &osk5912_flash_device, 181 &osk5912_smc91x_device, 182 &osk5912_cf_device, 183 &osk5912_mcbsp1_device, 184 }; 185 186 static struct i2c_board_info __initdata osk_i2c_board_info[] = { 187 { 188 I2C_BOARD_INFO("tps65010", 0x48), 189 .type = "tps65010", 190 .irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1)), 191 }, 192 /* TODO when driver support is ready: 193 * - aic23 audio chip at 0x1a 194 * - on Mistral, 24c04 eeprom at 0x50 195 * - optionally on Mistral, ov9640 camera sensor at 0x30 196 */ 197 }; 198 199 static void __init osk_init_smc91x(void) 200 { 201 if ((omap_request_gpio(0)) < 0) { 202 printk("Error requesting gpio 0 for smc91x irq\n"); 203 return; 204 } 205 206 /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ 207 EMIFS_CCS(1) |= 0x3; 208 } 209 210 static void __init osk_init_cf(void) 211 { 212 omap_cfg_reg(M7_1610_GPIO62); 213 if ((omap_request_gpio(62)) < 0) { 214 printk("Error requesting gpio 62 for CF irq\n"); 215 return; 216 } 217 /* the CF I/O IRQ is really active-low */ 218 set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING); 219 } 220 221 static void __init osk_init_irq(void) 222 { 223 omap1_init_common_hw(); 224 omap_init_irq(); 225 omap_gpio_init(); 226 osk_init_smc91x(); 227 osk_init_cf(); 228 } 229 230 static struct omap_usb_config osk_usb_config __initdata = { 231 /* has usb host connector (A) ... for development it can also 232 * be used, with a NONSTANDARD gender-bending cable/dongle, as 233 * a peripheral. 234 */ 235 #ifdef CONFIG_USB_GADGET_OMAP 236 .register_dev = 1, 237 .hmc_mode = 0, 238 #else 239 .register_host = 1, 240 .hmc_mode = 16, 241 .rwc = 1, 242 #endif 243 .pins[0] = 2, 244 }; 245 246 static struct omap_uart_config osk_uart_config __initdata = { 247 .enabled_uarts = (1 << 0), 248 }; 249 250 #ifdef CONFIG_OMAP_OSK_MISTRAL 251 static struct omap_lcd_config osk_lcd_config __initdata = { 252 .ctrl_name = "internal", 253 }; 254 #endif 255 256 static struct omap_board_config_kernel osk_config[] __initdata = { 257 { OMAP_TAG_USB, &osk_usb_config }, 258 { OMAP_TAG_UART, &osk_uart_config }, 259 #ifdef CONFIG_OMAP_OSK_MISTRAL 260 { OMAP_TAG_LCD, &osk_lcd_config }, 261 #endif 262 }; 263 264 #ifdef CONFIG_OMAP_OSK_MISTRAL 265 266 #include <linux/input.h> 267 #include <linux/spi/spi.h> 268 #include <linux/spi/ads7846.h> 269 270 #include <asm/arch/keypad.h> 271 272 static const int osk_keymap[] = { 273 /* KEY(col, row, code) */ 274 KEY(0, 0, KEY_F1), /* SW4 */ 275 KEY(0, 3, KEY_UP), /* (sw2/up) */ 276 KEY(1, 1, KEY_LEFTCTRL), /* SW5 */ 277 KEY(1, 2, KEY_LEFT), /* (sw2/left) */ 278 KEY(2, 0, KEY_SPACE), /* SW3 */ 279 KEY(2, 1, KEY_ESC), /* SW6 */ 280 KEY(2, 2, KEY_DOWN), /* (sw2/down) */ 281 KEY(3, 2, KEY_ENTER), /* (sw2/select) */ 282 KEY(3, 3, KEY_RIGHT), /* (sw2/right) */ 283 0 284 }; 285 286 static struct omap_kp_platform_data osk_kp_data = { 287 .rows = 8, 288 .cols = 8, 289 .keymap = (int *) osk_keymap, 290 .keymapsize = ARRAY_SIZE(osk_keymap), 291 .delay = 9, 292 }; 293 294 static struct resource osk5912_kp_resources[] = { 295 [0] = { 296 .start = INT_KEYBOARD, 297 .end = INT_KEYBOARD, 298 .flags = IORESOURCE_IRQ, 299 }, 300 }; 301 302 static struct platform_device osk5912_kp_device = { 303 .name = "omap-keypad", 304 .id = -1, 305 .dev = { 306 .platform_data = &osk_kp_data, 307 }, 308 .num_resources = ARRAY_SIZE(osk5912_kp_resources), 309 .resource = osk5912_kp_resources, 310 }; 311 312 static struct omap_backlight_config mistral_bl_data = { 313 .default_intensity = 0xa0, 314 }; 315 316 static struct platform_device mistral_bl_device = { 317 .name = "omap-bl", 318 .id = -1, 319 .dev = { 320 .platform_data = &mistral_bl_data, 321 }, 322 }; 323 324 static struct platform_device osk5912_lcd_device = { 325 .name = "lcd_osk", 326 .id = -1, 327 }; 328 329 static struct platform_device *mistral_devices[] __initdata = { 330 &osk5912_kp_device, 331 &mistral_bl_device, 332 &osk5912_lcd_device, 333 }; 334 335 static int mistral_get_pendown_state(void) 336 { 337 return !omap_get_gpio_datain(4); 338 } 339 340 static const struct ads7846_platform_data mistral_ts_info = { 341 .model = 7846, 342 .vref_delay_usecs = 100, /* internal, no capacitor */ 343 .x_plate_ohms = 419, 344 .y_plate_ohms = 486, 345 .get_pendown_state = mistral_get_pendown_state, 346 }; 347 348 static struct spi_board_info __initdata mistral_boardinfo[] = { { 349 /* MicroWire (bus 2) CS0 has an ads7846e */ 350 .modalias = "ads7846", 351 .platform_data = &mistral_ts_info, 352 .irq = OMAP_GPIO_IRQ(4), 353 .max_speed_hz = 120000 /* max sample rate at 3V */ 354 * 26 /* command + data + overhead */, 355 .bus_num = 2, 356 .chip_select = 0, 357 } }; 358 359 #ifdef CONFIG_PM 360 static irqreturn_t 361 osk_mistral_wake_interrupt(int irq, void *ignored) 362 { 363 return IRQ_HANDLED; 364 } 365 #endif 366 367 static void __init osk_mistral_init(void) 368 { 369 /* NOTE: we could actually tell if there's a Mistral board 370 * attached, e.g. by trying to read something from the ads7846. 371 * But this arch_init() code is too early for that, since we 372 * can't talk to the ads or even the i2c eeprom. 373 */ 374 375 /* parallel camera interface */ 376 omap_cfg_reg(J15_1610_CAM_LCLK); 377 omap_cfg_reg(J18_1610_CAM_D7); 378 omap_cfg_reg(J19_1610_CAM_D6); 379 omap_cfg_reg(J14_1610_CAM_D5); 380 omap_cfg_reg(K18_1610_CAM_D4); 381 omap_cfg_reg(K19_1610_CAM_D3); 382 omap_cfg_reg(K15_1610_CAM_D2); 383 omap_cfg_reg(K14_1610_CAM_D1); 384 omap_cfg_reg(L19_1610_CAM_D0); 385 omap_cfg_reg(L18_1610_CAM_VS); 386 omap_cfg_reg(L15_1610_CAM_HS); 387 omap_cfg_reg(M19_1610_CAM_RSTZ); 388 omap_cfg_reg(Y15_1610_CAM_OUTCLK); 389 390 /* serial camera interface */ 391 omap_cfg_reg(H19_1610_CAM_EXCLK); 392 omap_cfg_reg(W13_1610_CCP_CLKM); 393 omap_cfg_reg(Y12_1610_CCP_CLKP); 394 /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */ 395 /* omap_cfg_reg(Y14_1610_CCP_DATAM); */ 396 omap_cfg_reg(W14_1610_CCP_DATAP); 397 398 /* CAM_PWDN */ 399 if (omap_request_gpio(11) == 0) { 400 omap_cfg_reg(N20_1610_GPIO11); 401 omap_set_gpio_direction(11, 0 /* out */); 402 omap_set_gpio_dataout(11, 0 /* off */); 403 } else 404 pr_debug("OSK+Mistral: CAM_PWDN is awol\n"); 405 406 407 /* omap_cfg_reg(P19_1610_GPIO6); */ /* BUSY */ 408 omap_cfg_reg(P20_1610_GPIO4); /* PENIRQ */ 409 set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING); 410 spi_register_board_info(mistral_boardinfo, 411 ARRAY_SIZE(mistral_boardinfo)); 412 413 /* the sideways button (SW1) is for use as a "wakeup" button */ 414 omap_cfg_reg(N15_1610_MPUIO2); 415 if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { 416 int ret = 0; 417 omap_set_gpio_direction(OMAP_MPUIO(2), 1); 418 set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING); 419 #ifdef CONFIG_PM 420 /* share the IRQ in case someone wants to use the 421 * button for more than wakeup from system sleep. 422 */ 423 ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), 424 &osk_mistral_wake_interrupt, 425 IRQF_SHARED, "mistral_wakeup", 426 &osk_mistral_wake_interrupt); 427 if (ret != 0) { 428 omap_free_gpio(OMAP_MPUIO(2)); 429 printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", 430 ret); 431 } else 432 enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2))); 433 #endif 434 } else 435 printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); 436 437 /* LCD: backlight, and power; power controls other devices on the 438 * board, like the touchscreen, EEPROM, and wakeup (!) switch. 439 */ 440 omap_cfg_reg(PWL); 441 if (omap_request_gpio(2) == 0) { 442 omap_set_gpio_direction(2, 0 /* out */); 443 omap_set_gpio_dataout(2, 1 /* on */); 444 } 445 446 platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices)); 447 } 448 #else 449 static void __init osk_mistral_init(void) { } 450 #endif 451 452 #define EMIFS_CS3_VAL (0x88013141) 453 454 static void __init osk_init(void) 455 { 456 /* Workaround for wrong CS3 (NOR flash) timing 457 * There are some U-Boot versions out there which configure 458 * wrong CS3 memory timings. This mainly leads to CRC 459 * or similar errors if you use NOR flash (e.g. with JFFS2) 460 */ 461 if (EMIFS_CCS(3) != EMIFS_CS3_VAL) 462 EMIFS_CCS(3) = EMIFS_CS3_VAL; 463 464 osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); 465 osk_flash_resource.end += SZ_32M - 1; 466 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); 467 omap_board_config = osk_config; 468 omap_board_config_size = ARRAY_SIZE(osk_config); 469 USB_TRANSCEIVER_CTRL_REG |= (3 << 1); 470 471 /* irq for tps65010 chip */ 472 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */ 473 if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0) 474 gpio_direction_input(OMAP_MPUIO(1)); 475 476 omap_serial_init(); 477 omap_register_i2c_bus(1, 400, osk_i2c_board_info, 478 ARRAY_SIZE(osk_i2c_board_info)); 479 osk_mistral_init(); 480 } 481 482 static void __init osk_map_io(void) 483 { 484 omap1_map_common_io(); 485 } 486 487 #ifdef CONFIG_TPS65010 488 static int __init osk_tps_init(void) 489 { 490 if (!machine_is_omap_osk()) 491 return 0; 492 493 /* Let LED1 (D9) blink */ 494 tps65010_set_led(LED1, BLINK); 495 496 /* Disable LED 2 (D2) */ 497 tps65010_set_led(LED2, OFF); 498 499 /* Set GPIO 1 HIGH to disable VBUS power supply; 500 * OHCI driver powers it up/down as needed. 501 */ 502 tps65010_set_gpio_out_value(GPIO1, HIGH); 503 504 /* Set GPIO 2 low to turn on LED D3 */ 505 tps65010_set_gpio_out_value(GPIO2, HIGH); 506 507 /* Set GPIO 3 low to take ethernet out of reset */ 508 tps65010_set_gpio_out_value(GPIO3, LOW); 509 510 /* gpio4 for VDD_DSP */ 511 /* FIXME send power to DSP iff it's configured */ 512 513 /* Enable LOW_PWR */ 514 tps65010_set_low_pwr(ON); 515 516 /* Switch VLDO2 to 3.0V for AIC23 */ 517 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V 518 | TPS_LDO1_ENABLE); 519 520 return 0; 521 } 522 fs_initcall(osk_tps_init); 523 #endif 524 525 MACHINE_START(OMAP_OSK, "TI-OSK") 526 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */ 527 .phys_io = 0xfff00000, 528 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, 529 .boot_params = 0x10000100, 530 .map_io = osk_map_io, 531 .init_irq = osk_init_irq, 532 .init_machine = osk_init, 533 .timer = &omap_timer, 534 MACHINE_END 535