1/* 2 * linux/arch/arm/mach-omap1/board-innovator.c 3 * 4 * Board specific inits for OMAP-1510 and OMAP-1610 Innovator 5 * 6 * Copyright (C) 2001 RidgeRun, Inc. 7 * Author: Greg Lonnon <glonnon@ridgerun.com> 8 * 9 * Copyright (C) 2002 MontaVista Software, Inc. 10 * 11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6 12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com> 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License version 2 as 16 * published by the Free Software Foundation. 17 */ 18 19#include <linux/kernel.h> 20#include <linux/init.h> 21#include <linux/platform_device.h> 22#include <linux/delay.h> 23#include <linux/mtd/mtd.h> 24#include <linux/mtd/partitions.h> 25#include <linux/mtd/physmap.h> 26#include <linux/input.h> 27#include <linux/smc91x.h> 28 29#include <mach/hardware.h> 30#include <asm/mach-types.h> 31#include <asm/mach/arch.h> 32#include <asm/mach/map.h> 33 34#include <plat/mux.h> 35#include <plat/flash.h> 36#include <plat/fpga.h> 37#include <mach/gpio.h> 38#include <plat/tc.h> 39#include <plat/usb.h> 40#include <plat/keypad.h> 41#include <plat/common.h> 42#include <plat/mmc.h> 43 44/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */ 45#define INNOVATOR1610_ETHR_START 0x04000300 46 47static int innovator_keymap[] = { 48 KEY(0, 0, KEY_F1), 49 KEY(0, 3, KEY_DOWN), 50 KEY(1, 1, KEY_F2), 51 KEY(1, 2, KEY_RIGHT), 52 KEY(2, 0, KEY_F3), 53 KEY(2, 1, KEY_F4), 54 KEY(2, 2, KEY_UP), 55 KEY(3, 2, KEY_ENTER), 56 KEY(3, 3, KEY_LEFT), 57 0 58}; 59 60static struct mtd_partition innovator_partitions[] = { 61 /* bootloader (U-Boot, etc) in first sector */ 62 { 63 .name = "bootloader", 64 .offset = 0, 65 .size = SZ_128K, 66 .mask_flags = MTD_WRITEABLE, /* force read-only */ 67 }, 68 /* bootloader params in the next sector */ 69 { 70 .name = "params", 71 .offset = MTDPART_OFS_APPEND, 72 .size = SZ_128K, 73 .mask_flags = 0, 74 }, 75 /* kernel */ 76 { 77 .name = "kernel", 78 .offset = MTDPART_OFS_APPEND, 79 .size = SZ_2M, 80 .mask_flags = 0 81 }, 82 /* rest of flash1 is a file system */ 83 { 84 .name = "rootfs", 85 .offset = MTDPART_OFS_APPEND, 86 .size = SZ_16M - SZ_2M - 2 * SZ_128K, 87 .mask_flags = 0 88 }, 89 /* file system */ 90 { 91 .name = "filesystem", 92 .offset = MTDPART_OFS_APPEND, 93 .size = MTDPART_SIZ_FULL, 94 .mask_flags = 0 95 } 96}; 97 98static struct physmap_flash_data innovator_flash_data = { 99 .width = 2, 100 .set_vpp = omap1_set_vpp, 101 .parts = innovator_partitions, 102 .nr_parts = ARRAY_SIZE(innovator_partitions), 103}; 104 105static struct resource innovator_flash_resource = { 106 .start = OMAP_CS0_PHYS, 107 .end = OMAP_CS0_PHYS + SZ_32M - 1, 108 .flags = IORESOURCE_MEM, 109}; 110 111static struct platform_device innovator_flash_device = { 112 .name = "physmap-flash", 113 .id = 0, 114 .dev = { 115 .platform_data = &innovator_flash_data, 116 }, 117 .num_resources = 1, 118 .resource = &innovator_flash_resource, 119}; 120 121static struct resource innovator_kp_resources[] = { 122 [0] = { 123 .start = INT_KEYBOARD, 124 .end = INT_KEYBOARD, 125 .flags = IORESOURCE_IRQ, 126 }, 127}; 128 129static struct omap_kp_platform_data innovator_kp_data = { 130 .rows = 8, 131 .cols = 8, 132 .keymap = innovator_keymap, 133 .keymapsize = ARRAY_SIZE(innovator_keymap), 134 .delay = 4, 135}; 136 137static struct platform_device innovator_kp_device = { 138 .name = "omap-keypad", 139 .id = -1, 140 .dev = { 141 .platform_data = &innovator_kp_data, 142 }, 143 .num_resources = ARRAY_SIZE(innovator_kp_resources), 144 .resource = innovator_kp_resources, 145}; 146 147static struct smc91x_platdata innovator_smc91x_info = { 148 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, 149 .leda = RPC_LED_100_10, 150 .ledb = RPC_LED_TX_RX, 151}; 152 153#ifdef CONFIG_ARCH_OMAP15XX 154 155#include <linux/spi/spi.h> 156#include <linux/spi/ads7846.h> 157 158 159/* Only FPGA needs to be mapped here. All others are done with ioremap */ 160static struct map_desc innovator1510_io_desc[] __initdata = { 161 { 162 .virtual = OMAP1510_FPGA_BASE, 163 .pfn = __phys_to_pfn(OMAP1510_FPGA_START), 164 .length = OMAP1510_FPGA_SIZE, 165 .type = MT_DEVICE 166 } 167}; 168 169static struct resource innovator1510_smc91x_resources[] = { 170 [0] = { 171 .start = OMAP1510_FPGA_ETHR_START, /* Physical */ 172 .end = OMAP1510_FPGA_ETHR_START + 0xf, 173 .flags = IORESOURCE_MEM, 174 }, 175 [1] = { 176 .start = OMAP1510_INT_ETHER, 177 .end = OMAP1510_INT_ETHER, 178 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, 179 }, 180}; 181 182static struct platform_device innovator1510_smc91x_device = { 183 .name = "smc91x", 184 .id = 0, 185 .dev = { 186 .platform_data = &innovator_smc91x_info, 187 }, 188 .num_resources = ARRAY_SIZE(innovator1510_smc91x_resources), 189 .resource = innovator1510_smc91x_resources, 190}; 191 192static struct platform_device innovator1510_lcd_device = { 193 .name = "lcd_inn1510", 194 .id = -1, 195}; 196 197static struct platform_device innovator1510_spi_device = { 198 .name = "spi_inn1510", 199 .id = -1, 200}; 201 202static struct platform_device *innovator1510_devices[] __initdata = { 203 &innovator_flash_device, 204 &innovator1510_smc91x_device, 205 &innovator_kp_device, 206 &innovator1510_lcd_device, 207 &innovator1510_spi_device, 208}; 209 210static int innovator_get_pendown_state(void) 211{ 212 return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5)); 213} 214 215static const struct ads7846_platform_data innovator1510_ts_info = { 216 .model = 7846, 217 .vref_delay_usecs = 100, /* internal, no capacitor */ 218 .x_plate_ohms = 419, 219 .y_plate_ohms = 486, 220 .get_pendown_state = innovator_get_pendown_state, 221}; 222 223static struct spi_board_info __initdata innovator1510_boardinfo[] = { { 224 /* FPGA (bus "10") CS0 has an ads7846e */ 225 .modalias = "ads7846", 226 .platform_data = &innovator1510_ts_info, 227 .irq = OMAP1510_INT_FPGA_TS, 228 .max_speed_hz = 120000 /* max sample rate at 3V */ 229 * 26 /* command + data + overhead */, 230 .bus_num = 10, 231 .chip_select = 0, 232} }; 233 234#endif /* CONFIG_ARCH_OMAP15XX */ 235 236#ifdef CONFIG_ARCH_OMAP16XX 237 238static struct resource innovator1610_smc91x_resources[] = { 239 [0] = { 240 .start = INNOVATOR1610_ETHR_START, /* Physical */ 241 .end = INNOVATOR1610_ETHR_START + 0xf, 242 .flags = IORESOURCE_MEM, 243 }, 244 [1] = { 245 .start = OMAP_GPIO_IRQ(0), 246 .end = OMAP_GPIO_IRQ(0), 247 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, 248 }, 249}; 250 251static struct platform_device innovator1610_smc91x_device = { 252 .name = "smc91x", 253 .id = 0, 254 .dev = { 255 .platform_data = &innovator_smc91x_info, 256 }, 257 .num_resources = ARRAY_SIZE(innovator1610_smc91x_resources), 258 .resource = innovator1610_smc91x_resources, 259}; 260 261static struct platform_device innovator1610_lcd_device = { 262 .name = "inn1610_lcd", 263 .id = -1, 264}; 265 266static struct platform_device *innovator1610_devices[] __initdata = { 267 &innovator_flash_device, 268 &innovator1610_smc91x_device, 269 &innovator_kp_device, 270 &innovator1610_lcd_device, 271}; 272 273#endif /* CONFIG_ARCH_OMAP16XX */ 274 275static void __init innovator_init_smc91x(void) 276{ 277 if (cpu_is_omap1510()) { 278 fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1, 279 OMAP1510_FPGA_RST); 280 udelay(750); 281 } else { 282 if (gpio_request(0, "SMC91x irq") < 0) { 283 printk("Error requesting gpio 0 for smc91x irq\n"); 284 return; 285 } 286 } 287} 288 289static void __init innovator_init_irq(void) 290{ 291 omap1_init_common_hw(); 292 omap_init_irq(); 293 omap_gpio_init(); 294#ifdef CONFIG_ARCH_OMAP15XX 295 if (cpu_is_omap1510()) { 296 omap1510_fpga_init_irq(); 297 } 298#endif 299 innovator_init_smc91x(); 300} 301 302#ifdef CONFIG_ARCH_OMAP15XX 303static struct omap_usb_config innovator1510_usb_config __initdata = { 304 /* for bundled non-standard host and peripheral cables */ 305 .hmc_mode = 4, 306 307 .register_host = 1, 308 .pins[1] = 6, 309 .pins[2] = 6, /* Conflicts with UART2 */ 310 311 .register_dev = 1, 312 .pins[0] = 2, 313}; 314 315static struct omap_lcd_config innovator1510_lcd_config __initdata = { 316 .ctrl_name = "internal", 317}; 318#endif 319 320#ifdef CONFIG_ARCH_OMAP16XX 321static struct omap_usb_config h2_usb_config __initdata = { 322 /* usb1 has a Mini-AB port and external isp1301 transceiver */ 323 .otg = 2, 324 325#ifdef CONFIG_USB_GADGET_OMAP 326 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */ 327 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */ 328#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) 329 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */ 330 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */ 331#endif 332 333 .pins[1] = 3, 334}; 335 336static struct omap_lcd_config innovator1610_lcd_config __initdata = { 337 .ctrl_name = "internal", 338}; 339#endif 340 341#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) 342 343static int mmc_set_power(struct device *dev, int slot, int power_on, 344 int vdd) 345{ 346 if (power_on) 347 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3), 348 OMAP1510_FPGA_POWER); 349 else 350 fpga_write(fpga_read(OMAP1510_FPGA_POWER) & ~(1 << 3), 351 OMAP1510_FPGA_POWER); 352 353 return 0; 354} 355 356/* 357 * Innovator could use the following functions tested: 358 * - mmc_get_wp that uses OMAP_MPUIO(3) 359 * - mmc_get_cover_state that uses FPGA F4 UIO43 360 */ 361static struct omap_mmc_platform_data mmc1_data = { 362 .nr_slots = 1, 363 .slots[0] = { 364 .set_power = mmc_set_power, 365 .wires = 4, 366 .name = "mmcblk", 367 }, 368}; 369 370static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC]; 371 372void __init innovator_mmc_init(void) 373{ 374 mmc_data[0] = &mmc1_data; 375 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); 376} 377 378#else 379static inline void innovator_mmc_init(void) 380{ 381} 382#endif 383 384static struct omap_board_config_kernel innovator_config[] = { 385 { OMAP_TAG_LCD, NULL }, 386}; 387 388static void __init innovator_init(void) 389{ 390#ifdef CONFIG_ARCH_OMAP15XX 391 if (cpu_is_omap1510()) { 392 unsigned char reg; 393 394 /* mux pins for uarts */ 395 omap_cfg_reg(UART1_TX); 396 omap_cfg_reg(UART1_RTS); 397 omap_cfg_reg(UART2_TX); 398 omap_cfg_reg(UART2_RTS); 399 omap_cfg_reg(UART3_TX); 400 omap_cfg_reg(UART3_RX); 401 402 reg = fpga_read(OMAP1510_FPGA_POWER); 403 reg |= OMAP1510_FPGA_PCR_COM1_EN; 404 fpga_write(reg, OMAP1510_FPGA_POWER); 405 udelay(10); 406 407 reg = fpga_read(OMAP1510_FPGA_POWER); 408 reg |= OMAP1510_FPGA_PCR_COM2_EN; 409 fpga_write(reg, OMAP1510_FPGA_POWER); 410 udelay(10); 411 412 platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices)); 413 spi_register_board_info(innovator1510_boardinfo, 414 ARRAY_SIZE(innovator1510_boardinfo)); 415 } 416#endif 417#ifdef CONFIG_ARCH_OMAP16XX 418 if (!cpu_is_omap1510()) { 419 platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices)); 420 } 421#endif 422 423#ifdef CONFIG_ARCH_OMAP15XX 424 if (cpu_is_omap1510()) { 425 omap1_usb_init(&innovator1510_usb_config); 426 innovator_config[1].data = &innovator1510_lcd_config; 427 } 428#endif 429#ifdef CONFIG_ARCH_OMAP16XX 430 if (cpu_is_omap1610()) { 431 omap1_usb_init(&h2_usb_config); 432 innovator_config[1].data = &innovator1610_lcd_config; 433 } 434#endif 435 omap_board_config = innovator_config; 436 omap_board_config_size = ARRAY_SIZE(innovator_config); 437 omap_serial_init(); 438 omap_register_i2c_bus(1, 100, NULL, 0); 439 innovator_mmc_init(); 440} 441 442static void __init innovator_map_io(void) 443{ 444 omap1_map_common_io(); 445 446#ifdef CONFIG_ARCH_OMAP15XX 447 if (cpu_is_omap1510()) { 448 iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc)); 449 udelay(10); /* Delay needed for FPGA */ 450 451 /* Dump the Innovator FPGA rev early - useful info for support. */ 452 printk("Innovator FPGA Rev %d.%d Board Rev %d\n", 453 fpga_read(OMAP1510_FPGA_REV_HIGH), 454 fpga_read(OMAP1510_FPGA_REV_LOW), 455 fpga_read(OMAP1510_FPGA_BOARD_REV)); 456 } 457#endif 458} 459 460MACHINE_START(OMAP_INNOVATOR, "TI-Innovator") 461 /* Maintainer: MontaVista Software, Inc. */ 462 .phys_io = 0xfff00000, 463 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, 464 .boot_params = 0x10000100, 465 .map_io = innovator_map_io, 466 .reserve = omap_reserve, 467 .init_irq = innovator_init_irq, 468 .init_machine = innovator_init, 469 .timer = &omap_timer, 470MACHINE_END 471