| 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/board-h3.c |
| 3 | * |
| 4 | * This file contains OMAP1710 H3 specific code. |
| 5 | * |
| 6 | * Copyright (C) 2004 Texas Instruments, Inc. |
| 7 | * Copyright (C) 2002 MontaVista Software, Inc. |
| 8 | * Copyright (C) 2001 RidgeRun, Inc. |
| 9 | * Author: RidgeRun, Inc. |
| 10 | * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License version 2 as |
| 14 | * published by the Free Software Foundation. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/types.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/major.h> |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/errno.h> |
| 23 | #include <linux/workqueue.h> |
| 24 | #include <linux/i2c.h> |
| 25 | #include <linux/mtd/mtd.h> |
| 26 | #include <linux/mtd/nand.h> |
| 27 | #include <linux/mtd/partitions.h> |
| 28 | #include <linux/input.h> |
| 29 | #include <linux/spi/spi.h> |
| 30 | #include <linux/i2c/tps65010.h> |
| 31 | |
| 32 | #include <asm/setup.h> |
| 33 | #include <asm/page.h> |
| 34 | #include <mach/hardware.h> |
| 35 | #include <asm/gpio.h> |
| 36 | |
| 37 | #include <asm/mach-types.h> |
| 38 | #include <asm/mach/arch.h> |
| 39 | #include <asm/mach/flash.h> |
| 40 | #include <asm/mach/map.h> |
| 41 | |
| 42 | #include <mach/irqs.h> |
| 43 | #include <plat/mux.h> |
| 44 | #include <plat/tc.h> |
| 45 | #include <plat/nand.h> |
| 46 | #include <plat/usb.h> |
| 47 | #include <plat/keypad.h> |
| 48 | #include <plat/dma.h> |
| 49 | #include <plat/common.h> |
| 50 | |
| 51 | #include "board-h3.h" |
| 52 | |
| 53 | /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */ |
| 54 | #define OMAP1710_ETHR_START 0x04000300 |
| 55 | |
| 56 | #define H3_TS_GPIO 48 |
| 57 | |
| 58 | static int h3_keymap[] = { |
| 59 | KEY(0, 0, KEY_LEFT), |
| 60 | KEY(0, 1, KEY_RIGHT), |
| 61 | KEY(0, 2, KEY_3), |
| 62 | KEY(0, 3, KEY_F10), |
| 63 | KEY(0, 4, KEY_F5), |
| 64 | KEY(0, 5, KEY_9), |
| 65 | KEY(1, 0, KEY_DOWN), |
| 66 | KEY(1, 1, KEY_UP), |
| 67 | KEY(1, 2, KEY_2), |
| 68 | KEY(1, 3, KEY_F9), |
| 69 | KEY(1, 4, KEY_F7), |
| 70 | KEY(1, 5, KEY_0), |
| 71 | KEY(2, 0, KEY_ENTER), |
| 72 | KEY(2, 1, KEY_6), |
| 73 | KEY(2, 2, KEY_1), |
| 74 | KEY(2, 3, KEY_F2), |
| 75 | KEY(2, 4, KEY_F6), |
| 76 | KEY(2, 5, KEY_HOME), |
| 77 | KEY(3, 0, KEY_8), |
| 78 | KEY(3, 1, KEY_5), |
| 79 | KEY(3, 2, KEY_F12), |
| 80 | KEY(3, 3, KEY_F3), |
| 81 | KEY(3, 4, KEY_F8), |
| 82 | KEY(3, 5, KEY_END), |
| 83 | KEY(4, 0, KEY_7), |
| 84 | KEY(4, 1, KEY_4), |
| 85 | KEY(4, 2, KEY_F11), |
| 86 | KEY(4, 3, KEY_F1), |
| 87 | KEY(4, 4, KEY_F4), |
| 88 | KEY(4, 5, KEY_ESC), |
| 89 | KEY(5, 0, KEY_F13), |
| 90 | KEY(5, 1, KEY_F14), |
| 91 | KEY(5, 2, KEY_F15), |
| 92 | KEY(5, 3, KEY_F16), |
| 93 | KEY(5, 4, KEY_SLEEP), |
| 94 | 0 |
| 95 | }; |
| 96 | |
| 97 | |
| 98 | static struct mtd_partition nor_partitions[] = { |
| 99 | /* bootloader (U-Boot, etc) in first sector */ |
| 100 | { |
| 101 | .name = "bootloader", |
| 102 | .offset = 0, |
| 103 | .size = SZ_128K, |
| 104 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 105 | }, |
| 106 | /* bootloader params in the next sector */ |
| 107 | { |
| 108 | .name = "params", |
| 109 | .offset = MTDPART_OFS_APPEND, |
| 110 | .size = SZ_128K, |
| 111 | .mask_flags = 0, |
| 112 | }, |
| 113 | /* kernel */ |
| 114 | { |
| 115 | .name = "kernel", |
| 116 | .offset = MTDPART_OFS_APPEND, |
| 117 | .size = SZ_2M, |
| 118 | .mask_flags = 0 |
| 119 | }, |
| 120 | /* file system */ |
| 121 | { |
| 122 | .name = "filesystem", |
| 123 | .offset = MTDPART_OFS_APPEND, |
| 124 | .size = MTDPART_SIZ_FULL, |
| 125 | .mask_flags = 0 |
| 126 | } |
| 127 | }; |
| 128 | |
| 129 | static struct flash_platform_data nor_data = { |
| 130 | .map_name = "cfi_probe", |
| 131 | .width = 2, |
| 132 | .parts = nor_partitions, |
| 133 | .nr_parts = ARRAY_SIZE(nor_partitions), |
| 134 | }; |
| 135 | |
| 136 | static struct resource nor_resource = { |
| 137 | /* This is on CS3, wherever it's mapped */ |
| 138 | .flags = IORESOURCE_MEM, |
| 139 | }; |
| 140 | |
| 141 | static struct platform_device nor_device = { |
| 142 | .name = "omapflash", |
| 143 | .id = 0, |
| 144 | .dev = { |
| 145 | .platform_data = &nor_data, |
| 146 | }, |
| 147 | .num_resources = 1, |
| 148 | .resource = &nor_resource, |
| 149 | }; |
| 150 | |
| 151 | static struct mtd_partition nand_partitions[] = { |
| 152 | #if 0 |
| 153 | /* REVISIT: enable these partitions if you make NAND BOOT work */ |
| 154 | { |
| 155 | .name = "xloader", |
| 156 | .offset = 0, |
| 157 | .size = 64 * 1024, |
| 158 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 159 | }, |
| 160 | { |
| 161 | .name = "bootloader", |
| 162 | .offset = MTDPART_OFS_APPEND, |
| 163 | .size = 256 * 1024, |
| 164 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 165 | }, |
| 166 | { |
| 167 | .name = "params", |
| 168 | .offset = MTDPART_OFS_APPEND, |
| 169 | .size = 192 * 1024, |
| 170 | }, |
| 171 | { |
| 172 | .name = "kernel", |
| 173 | .offset = MTDPART_OFS_APPEND, |
| 174 | .size = 2 * SZ_1M, |
| 175 | }, |
| 176 | #endif |
| 177 | { |
| 178 | .name = "filesystem", |
| 179 | .size = MTDPART_SIZ_FULL, |
| 180 | .offset = MTDPART_OFS_APPEND, |
| 181 | }, |
| 182 | }; |
| 183 | |
| 184 | /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */ |
| 185 | static struct omap_nand_platform_data nand_data = { |
| 186 | .options = NAND_SAMSUNG_LP_OPTIONS, |
| 187 | .parts = nand_partitions, |
| 188 | .nr_parts = ARRAY_SIZE(nand_partitions), |
| 189 | }; |
| 190 | |
| 191 | static struct resource nand_resource = { |
| 192 | .flags = IORESOURCE_MEM, |
| 193 | }; |
| 194 | |
| 195 | static struct platform_device nand_device = { |
| 196 | .name = "omapnand", |
| 197 | .id = 0, |
| 198 | .dev = { |
| 199 | .platform_data = &nand_data, |
| 200 | }, |
| 201 | .num_resources = 1, |
| 202 | .resource = &nand_resource, |
| 203 | }; |
| 204 | |
| 205 | static struct resource smc91x_resources[] = { |
| 206 | [0] = { |
| 207 | .start = OMAP1710_ETHR_START, /* Physical */ |
| 208 | .end = OMAP1710_ETHR_START + 0xf, |
| 209 | .flags = IORESOURCE_MEM, |
| 210 | }, |
| 211 | [1] = { |
| 212 | .start = OMAP_GPIO_IRQ(40), |
| 213 | .end = OMAP_GPIO_IRQ(40), |
| 214 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
| 215 | }, |
| 216 | }; |
| 217 | |
| 218 | static struct platform_device smc91x_device = { |
| 219 | .name = "smc91x", |
| 220 | .id = 0, |
| 221 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 222 | .resource = smc91x_resources, |
| 223 | }; |
| 224 | |
| 225 | #define GPTIMER_BASE 0xFFFB1400 |
| 226 | #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800)) |
| 227 | #define GPTIMER_REGS_SIZE 0x46 |
| 228 | |
| 229 | static struct resource intlat_resources[] = { |
| 230 | [0] = { |
| 231 | .start = GPTIMER_REGS(0), /* Physical */ |
| 232 | .end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE, |
| 233 | .flags = IORESOURCE_MEM, |
| 234 | }, |
| 235 | [1] = { |
| 236 | .start = INT_1610_GPTIMER1, |
| 237 | .end = INT_1610_GPTIMER1, |
| 238 | .flags = IORESOURCE_IRQ, |
| 239 | }, |
| 240 | }; |
| 241 | |
| 242 | static struct platform_device intlat_device = { |
| 243 | .name = "omap_intlat", |
| 244 | .id = 0, |
| 245 | .num_resources = ARRAY_SIZE(intlat_resources), |
| 246 | .resource = intlat_resources, |
| 247 | }; |
| 248 | |
| 249 | static struct resource h3_kp_resources[] = { |
| 250 | [0] = { |
| 251 | .start = INT_KEYBOARD, |
| 252 | .end = INT_KEYBOARD, |
| 253 | .flags = IORESOURCE_IRQ, |
| 254 | }, |
| 255 | }; |
| 256 | |
| 257 | static struct omap_kp_platform_data h3_kp_data = { |
| 258 | .rows = 8, |
| 259 | .cols = 8, |
| 260 | .keymap = h3_keymap, |
| 261 | .keymapsize = ARRAY_SIZE(h3_keymap), |
| 262 | .rep = 1, |
| 263 | .delay = 9, |
| 264 | .dbounce = 1, |
| 265 | }; |
| 266 | |
| 267 | static struct platform_device h3_kp_device = { |
| 268 | .name = "omap-keypad", |
| 269 | .id = -1, |
| 270 | .dev = { |
| 271 | .platform_data = &h3_kp_data, |
| 272 | }, |
| 273 | .num_resources = ARRAY_SIZE(h3_kp_resources), |
| 274 | .resource = h3_kp_resources, |
| 275 | }; |
| 276 | |
| 277 | static struct platform_device h3_lcd_device = { |
| 278 | .name = "lcd_h3", |
| 279 | .id = -1, |
| 280 | }; |
| 281 | |
| 282 | static struct spi_board_info h3_spi_board_info[] __initdata = { |
| 283 | [0] = { |
| 284 | .modalias = "tsc2101", |
| 285 | .bus_num = 2, |
| 286 | .chip_select = 0, |
| 287 | .irq = OMAP_GPIO_IRQ(H3_TS_GPIO), |
| 288 | .max_speed_hz = 16000000, |
| 289 | /* .platform_data = &tsc_platform_data, */ |
| 290 | }, |
| 291 | }; |
| 292 | |
| 293 | static struct platform_device *devices[] __initdata = { |
| 294 | &nor_device, |
| 295 | &nand_device, |
| 296 | &smc91x_device, |
| 297 | &intlat_device, |
| 298 | &h3_kp_device, |
| 299 | &h3_lcd_device, |
| 300 | }; |
| 301 | |
| 302 | static struct omap_usb_config h3_usb_config __initdata = { |
| 303 | /* usb1 has a Mini-AB port and external isp1301 transceiver */ |
| 304 | .otg = 2, |
| 305 | |
| 306 | #ifdef CONFIG_USB_GADGET_OMAP |
| 307 | .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */ |
| 308 | #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
| 309 | /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */ |
| 310 | .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */ |
| 311 | #endif |
| 312 | |
| 313 | .pins[1] = 3, |
| 314 | }; |
| 315 | |
| 316 | static struct omap_lcd_config h3_lcd_config __initdata = { |
| 317 | .ctrl_name = "internal", |
| 318 | }; |
| 319 | |
| 320 | static struct omap_board_config_kernel h3_config[] __initdata = { |
| 321 | { OMAP_TAG_LCD, &h3_lcd_config }, |
| 322 | }; |
| 323 | |
| 324 | static struct i2c_board_info __initdata h3_i2c_board_info[] = { |
| 325 | { |
| 326 | I2C_BOARD_INFO("tps65013", 0x48), |
| 327 | /* .irq = OMAP_GPIO_IRQ(??), */ |
| 328 | }, |
| 329 | { |
| 330 | I2C_BOARD_INFO("isp1301_omap", 0x2d), |
| 331 | .irq = OMAP_GPIO_IRQ(14), |
| 332 | }, |
| 333 | }; |
| 334 | |
| 335 | #define H3_NAND_RB_GPIO_PIN 10 |
| 336 | |
| 337 | static int nand_dev_ready(struct omap_nand_platform_data *data) |
| 338 | { |
| 339 | return gpio_get_value(H3_NAND_RB_GPIO_PIN); |
| 340 | } |
| 341 | |
| 342 | static void __init h3_init(void) |
| 343 | { |
| 344 | /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped |
| 345 | * to address 0 by a dip switch), NAND on CS2B. The NAND driver will |
| 346 | * notice whether a NAND chip is enabled at probe time. |
| 347 | * |
| 348 | * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND |
| 349 | * (which on H2 may be 16bit) on CS3. Try detecting that in code here, |
| 350 | * to avoid probing every possible flash configuration... |
| 351 | */ |
| 352 | nor_resource.end = nor_resource.start = omap_cs3_phys(); |
| 353 | nor_resource.end += SZ_32M - 1; |
| 354 | |
| 355 | nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS; |
| 356 | nand_resource.end += SZ_4K - 1; |
| 357 | if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0) |
| 358 | BUG(); |
| 359 | nand_data.dev_ready = nand_dev_ready; |
| 360 | |
| 361 | /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */ |
| 362 | /* GPIO10 pullup/down register, Enable pullup on GPIO10 */ |
| 363 | omap_cfg_reg(V2_1710_GPIO10); |
| 364 | |
| 365 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 366 | spi_register_board_info(h3_spi_board_info, |
| 367 | ARRAY_SIZE(h3_spi_board_info)); |
| 368 | omap_board_config = h3_config; |
| 369 | omap_board_config_size = ARRAY_SIZE(h3_config); |
| 370 | omap_serial_init(); |
| 371 | omap_register_i2c_bus(1, 100, h3_i2c_board_info, |
| 372 | ARRAY_SIZE(h3_i2c_board_info)); |
| 373 | omap_usb_init(&h3_usb_config); |
| 374 | h3_mmc_init(); |
| 375 | } |
| 376 | |
| 377 | static void __init h3_init_smc91x(void) |
| 378 | { |
| 379 | omap_cfg_reg(W15_1710_GPIO40); |
| 380 | if (gpio_request(40, "SMC91x irq") < 0) { |
| 381 | printk("Error requesting gpio 40 for smc91x irq\n"); |
| 382 | return; |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | static void __init h3_init_irq(void) |
| 387 | { |
| 388 | omap1_init_common_hw(); |
| 389 | omap_init_irq(); |
| 390 | omap_gpio_init(); |
| 391 | h3_init_smc91x(); |
| 392 | } |
| 393 | |
| 394 | static void __init h3_map_io(void) |
| 395 | { |
| 396 | omap1_map_common_io(); |
| 397 | } |
| 398 | |
| 399 | MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board") |
| 400 | /* Maintainer: Texas Instruments, Inc. */ |
| 401 | .phys_io = 0xfff00000, |
| 402 | .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, |
| 403 | .boot_params = 0x10000100, |
| 404 | .map_io = h3_map_io, |
| 405 | .init_irq = h3_init_irq, |
| 406 | .init_machine = h3_init, |
| 407 | .timer = &omap_timer, |
| 408 | MACHINE_END |