Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 1 | /* |
| 2 | * TI DaVinci DM646X EVM board |
| 3 | * |
| 4 | * Derived from: arch/arm/mach-davinci/board-evm.c |
| 5 | * Copyright (C) 2006 Texas Instruments. |
| 6 | * |
| 7 | * (C) 2007-2008, MontaVista Software, Inc. |
| 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public License |
| 10 | * version 2. This program is licensed "as is" without any warranty of any |
| 11 | * kind, whether express or implied. |
| 12 | * |
| 13 | */ |
| 14 | |
| 15 | /************************************************************************** |
| 16 | * Included Files |
| 17 | **************************************************************************/ |
| 18 | |
| 19 | #include <linux/kernel.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 20 | #include <linux/init.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 21 | #include <linux/leds.h> |
| 22 | #include <linux/gpio.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/i2c.h> |
| 25 | #include <linux/i2c/at24.h> |
| 26 | #include <linux/i2c/pcf857x.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 27 | |
Muralidharan Karicheri | 85609c1 | 2009-09-16 13:15:30 -0400 | [diff] [blame] | 28 | #include <media/tvp514x.h> |
| 29 | |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 30 | #include <linux/mtd/mtd.h> |
| 31 | #include <linux/mtd/nand.h> |
| 32 | #include <linux/mtd/partitions.h> |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 33 | #include <linux/clk.h> |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 34 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 35 | #include <asm/mach-types.h> |
| 36 | #include <asm/mach/arch.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 37 | |
| 38 | #include <mach/dm646x.h> |
| 39 | #include <mach/common.h> |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 40 | #include <mach/serial.h> |
| 41 | #include <mach/i2c.h> |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 42 | #include <mach/nand.h> |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 43 | #include <mach/clock.h> |
| 44 | #include <mach/cdce949.h> |
Sekhar Nori | 0b3fc7b | 2010-08-09 15:46:40 +0530 | [diff] [blame] | 45 | #include <mach/aemif.h> |
Kevin Hilman | ac7b75b | 2009-05-07 06:19:40 -0700 | [diff] [blame] | 46 | |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 47 | #include "clock.h" |
| 48 | |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 49 | #define NAND_BLOCK_SIZE SZ_128K |
| 50 | |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 51 | /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot |
| 52 | * and U-Boot environment this avoids dependency on any particular combination |
| 53 | * of UBL, U-Boot or flashing tools etc. |
| 54 | */ |
| 55 | static struct mtd_partition davinci_nand_partitions[] = { |
| 56 | { |
| 57 | /* UBL, U-Boot with environment */ |
| 58 | .name = "bootloader", |
| 59 | .offset = MTDPART_OFS_APPEND, |
| 60 | .size = 16 * NAND_BLOCK_SIZE, |
| 61 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 62 | }, { |
| 63 | .name = "kernel", |
| 64 | .offset = MTDPART_OFS_APPEND, |
| 65 | .size = SZ_4M, |
| 66 | .mask_flags = 0, |
| 67 | }, { |
| 68 | .name = "filesystem", |
| 69 | .offset = MTDPART_OFS_APPEND, |
| 70 | .size = MTDPART_SIZ_FULL, |
| 71 | .mask_flags = 0, |
| 72 | } |
| 73 | }; |
| 74 | |
Sekhar Nori | 0b3fc7b | 2010-08-09 15:46:40 +0530 | [diff] [blame] | 75 | static struct davinci_aemif_timing dm6467tevm_nandflash_timing = { |
| 76 | .wsetup = 29, |
| 77 | .wstrobe = 24, |
| 78 | .whold = 14, |
| 79 | .rsetup = 19, |
| 80 | .rstrobe = 33, |
| 81 | .rhold = 0, |
| 82 | .ta = 29, |
| 83 | }; |
| 84 | |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 85 | static struct davinci_nand_pdata davinci_nand_data = { |
| 86 | .mask_cle = 0x80000, |
| 87 | .mask_ale = 0x40000, |
| 88 | .parts = davinci_nand_partitions, |
| 89 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), |
| 90 | .ecc_mode = NAND_ECC_HW, |
| 91 | .options = 0, |
| 92 | }; |
| 93 | |
| 94 | static struct resource davinci_nand_resources[] = { |
| 95 | { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 96 | .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE, |
| 97 | .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1, |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 98 | .flags = IORESOURCE_MEM, |
| 99 | }, { |
Sergei Shtylyov | 7034217 | 2010-04-16 21:29:11 +0400 | [diff] [blame] | 100 | .start = DM646X_ASYNC_EMIF_CONTROL_BASE, |
| 101 | .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 102 | .flags = IORESOURCE_MEM, |
| 103 | }, |
| 104 | }; |
| 105 | |
| 106 | static struct platform_device davinci_nand_device = { |
| 107 | .name = "davinci_nand", |
| 108 | .id = 0, |
| 109 | |
| 110 | .num_resources = ARRAY_SIZE(davinci_nand_resources), |
| 111 | .resource = davinci_nand_resources, |
| 112 | |
| 113 | .dev = { |
| 114 | .platform_data = &davinci_nand_data, |
| 115 | }, |
| 116 | }; |
| 117 | |
Sekhar Nori | b73b526 | 2009-11-24 18:25:14 +0530 | [diff] [blame] | 118 | #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ |
| 119 | defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) |
| 120 | #define HAS_ATA 1 |
| 121 | #else |
| 122 | #define HAS_ATA 0 |
| 123 | #endif |
| 124 | |
| 125 | /* CPLD Register 0 bits to control ATA */ |
| 126 | #define DM646X_EVM_ATA_RST BIT(0) |
| 127 | #define DM646X_EVM_ATA_PWD BIT(1) |
| 128 | |
Hemant Pedanekar | 548197b | 2009-07-17 23:30:36 +0530 | [diff] [blame] | 129 | /* CPLD Register 0 Client: used for I/O Control */ |
| 130 | static int cpld_reg0_probe(struct i2c_client *client, |
| 131 | const struct i2c_device_id *id) |
| 132 | { |
| 133 | if (HAS_ATA) { |
| 134 | u8 data; |
| 135 | struct i2c_msg msg[2] = { |
| 136 | { |
| 137 | .addr = client->addr, |
| 138 | .flags = I2C_M_RD, |
| 139 | .len = 1, |
| 140 | .buf = &data, |
| 141 | }, |
| 142 | { |
| 143 | .addr = client->addr, |
| 144 | .flags = 0, |
| 145 | .len = 1, |
| 146 | .buf = &data, |
| 147 | }, |
| 148 | }; |
| 149 | |
| 150 | /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */ |
| 151 | i2c_transfer(client->adapter, msg, 1); |
| 152 | data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD); |
| 153 | i2c_transfer(client->adapter, msg + 1, 1); |
| 154 | } |
| 155 | |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | static const struct i2c_device_id cpld_reg_ids[] = { |
| 160 | { "cpld_reg0", 0, }, |
| 161 | { }, |
| 162 | }; |
| 163 | |
| 164 | static struct i2c_driver dm6467evm_cpld_driver = { |
| 165 | .driver.name = "cpld_reg0", |
| 166 | .id_table = cpld_reg_ids, |
| 167 | .probe = cpld_reg0_probe, |
| 168 | }; |
| 169 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 170 | /* LEDS */ |
| 171 | |
| 172 | static struct gpio_led evm_leds[] = { |
| 173 | { .name = "DS1", .active_low = 1, }, |
| 174 | { .name = "DS2", .active_low = 1, }, |
| 175 | { .name = "DS3", .active_low = 1, }, |
| 176 | { .name = "DS4", .active_low = 1, }, |
| 177 | }; |
| 178 | |
Sekhar Nori | 445094f | 2009-11-04 17:08:42 +0530 | [diff] [blame] | 179 | static const struct gpio_led_platform_data evm_led_data = { |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 180 | .num_leds = ARRAY_SIZE(evm_leds), |
| 181 | .leds = evm_leds, |
| 182 | }; |
| 183 | |
| 184 | static struct platform_device *evm_led_dev; |
| 185 | |
| 186 | static int evm_led_setup(struct i2c_client *client, int gpio, |
| 187 | unsigned int ngpio, void *c) |
| 188 | { |
| 189 | struct gpio_led *leds = evm_leds; |
| 190 | int status; |
| 191 | |
| 192 | while (ngpio--) { |
| 193 | leds->gpio = gpio++; |
| 194 | leds++; |
| 195 | }; |
| 196 | |
| 197 | evm_led_dev = platform_device_alloc("leds-gpio", 0); |
| 198 | platform_device_add_data(evm_led_dev, &evm_led_data, |
| 199 | sizeof(evm_led_data)); |
| 200 | |
| 201 | evm_led_dev->dev.parent = &client->dev; |
| 202 | status = platform_device_add(evm_led_dev); |
| 203 | if (status < 0) { |
| 204 | platform_device_put(evm_led_dev); |
| 205 | evm_led_dev = NULL; |
| 206 | } |
| 207 | return status; |
| 208 | } |
| 209 | |
| 210 | static int evm_led_teardown(struct i2c_client *client, int gpio, |
| 211 | unsigned ngpio, void *c) |
| 212 | { |
| 213 | if (evm_led_dev) { |
| 214 | platform_device_unregister(evm_led_dev); |
| 215 | evm_led_dev = NULL; |
| 216 | } |
| 217 | return 0; |
| 218 | } |
| 219 | |
| 220 | static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL }; |
| 221 | |
| 222 | static int evm_sw_setup(struct i2c_client *client, int gpio, |
| 223 | unsigned ngpio, void *c) |
| 224 | { |
| 225 | int status; |
| 226 | int i; |
| 227 | char label[10]; |
| 228 | |
| 229 | for (i = 0; i < 4; ++i) { |
| 230 | snprintf(label, 10, "user_sw%d", i); |
| 231 | status = gpio_request(gpio, label); |
| 232 | if (status) |
| 233 | goto out_free; |
| 234 | evm_sw_gpio[i] = gpio++; |
| 235 | |
| 236 | status = gpio_direction_input(evm_sw_gpio[i]); |
| 237 | if (status) { |
| 238 | gpio_free(evm_sw_gpio[i]); |
| 239 | evm_sw_gpio[i] = -EINVAL; |
| 240 | goto out_free; |
| 241 | } |
| 242 | |
| 243 | status = gpio_export(evm_sw_gpio[i], 0); |
| 244 | if (status) { |
| 245 | gpio_free(evm_sw_gpio[i]); |
| 246 | evm_sw_gpio[i] = -EINVAL; |
| 247 | goto out_free; |
| 248 | } |
| 249 | } |
| 250 | return status; |
| 251 | out_free: |
| 252 | for (i = 0; i < 4; ++i) { |
| 253 | if (evm_sw_gpio[i] != -EINVAL) { |
| 254 | gpio_free(evm_sw_gpio[i]); |
| 255 | evm_sw_gpio[i] = -EINVAL; |
| 256 | } |
| 257 | } |
| 258 | return status; |
| 259 | } |
| 260 | |
| 261 | static int evm_sw_teardown(struct i2c_client *client, int gpio, |
| 262 | unsigned ngpio, void *c) |
| 263 | { |
| 264 | int i; |
| 265 | |
| 266 | for (i = 0; i < 4; ++i) { |
| 267 | if (evm_sw_gpio[i] != -EINVAL) { |
| 268 | gpio_unexport(evm_sw_gpio[i]); |
| 269 | gpio_free(evm_sw_gpio[i]); |
| 270 | evm_sw_gpio[i] = -EINVAL; |
| 271 | } |
| 272 | } |
| 273 | return 0; |
| 274 | } |
| 275 | |
| 276 | static int evm_pcf_setup(struct i2c_client *client, int gpio, |
| 277 | unsigned int ngpio, void *c) |
| 278 | { |
| 279 | int status; |
| 280 | |
| 281 | if (ngpio < 8) |
| 282 | return -EINVAL; |
| 283 | |
| 284 | status = evm_sw_setup(client, gpio, 4, c); |
| 285 | if (status) |
| 286 | return status; |
| 287 | |
| 288 | return evm_led_setup(client, gpio+4, 4, c); |
| 289 | } |
| 290 | |
| 291 | static int evm_pcf_teardown(struct i2c_client *client, int gpio, |
| 292 | unsigned int ngpio, void *c) |
| 293 | { |
| 294 | BUG_ON(ngpio < 8); |
| 295 | |
| 296 | evm_sw_teardown(client, gpio, 4, c); |
| 297 | evm_led_teardown(client, gpio+4, 4, c); |
| 298 | |
| 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | static struct pcf857x_platform_data pcf_data = { |
| 303 | .gpio_base = DAVINCI_N_GPIO+1, |
| 304 | .setup = evm_pcf_setup, |
| 305 | .teardown = evm_pcf_teardown, |
| 306 | }; |
| 307 | |
| 308 | /* Most of this EEPROM is unused, but U-Boot uses some data: |
| 309 | * - 0x7f00, 6 bytes Ethernet Address |
| 310 | * - ... newer boards may have more |
| 311 | */ |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 312 | |
| 313 | static struct at24_platform_data eeprom_info = { |
| 314 | .byte_len = (256*1024) / 8, |
| 315 | .page_size = 64, |
| 316 | .flags = AT24_FLAG_ADDR16, |
Mark A. Greer | b14dc0f | 2009-04-15 12:41:27 -0700 | [diff] [blame] | 317 | .setup = davinci_get_mac_addr, |
| 318 | .context = (void *)0x7f00, |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 319 | }; |
| 320 | |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 321 | static u8 dm646x_iis_serializer_direction[] = { |
| 322 | TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE, |
| 323 | }; |
| 324 | |
| 325 | static u8 dm646x_dit_serializer_direction[] = { |
| 326 | TX_MODE, |
| 327 | }; |
| 328 | |
| 329 | static struct snd_platform_data dm646x_evm_snd_data[] = { |
| 330 | { |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 331 | .tx_dma_offset = 0x400, |
| 332 | .rx_dma_offset = 0x400, |
| 333 | .op_mode = DAVINCI_MCASP_IIS_MODE, |
| 334 | .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction), |
| 335 | .tdm_slots = 2, |
| 336 | .serial_dir = dm646x_iis_serializer_direction, |
Sekhar Nori | 48519f0 | 2010-07-19 12:31:16 +0530 | [diff] [blame] | 337 | .asp_chan_q = EVENTQ_0, |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 338 | }, |
| 339 | { |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 340 | .tx_dma_offset = 0x400, |
| 341 | .rx_dma_offset = 0, |
| 342 | .op_mode = DAVINCI_MCASP_DIT_MODE, |
| 343 | .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction), |
| 344 | .tdm_slots = 32, |
| 345 | .serial_dir = dm646x_dit_serializer_direction, |
Sekhar Nori | 48519f0 | 2010-07-19 12:31:16 +0530 | [diff] [blame] | 346 | .asp_chan_q = EVENTQ_0, |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 347 | }, |
| 348 | }; |
| 349 | |
Muralidharan Karicheri | 85609c1 | 2009-09-16 13:15:30 -0400 | [diff] [blame] | 350 | static struct i2c_client *cpld_client; |
| 351 | |
| 352 | static int cpld_video_probe(struct i2c_client *client, |
| 353 | const struct i2c_device_id *id) |
| 354 | { |
| 355 | cpld_client = client; |
| 356 | return 0; |
| 357 | } |
| 358 | |
| 359 | static int __devexit cpld_video_remove(struct i2c_client *client) |
| 360 | { |
| 361 | cpld_client = NULL; |
| 362 | return 0; |
| 363 | } |
| 364 | |
| 365 | static const struct i2c_device_id cpld_video_id[] = { |
| 366 | { "cpld_video", 0 }, |
| 367 | { } |
| 368 | }; |
| 369 | |
| 370 | static struct i2c_driver cpld_video_driver = { |
| 371 | .driver = { |
| 372 | .name = "cpld_video", |
| 373 | }, |
| 374 | .probe = cpld_video_probe, |
| 375 | .remove = cpld_video_remove, |
| 376 | .id_table = cpld_video_id, |
| 377 | }; |
| 378 | |
| 379 | static void evm_init_cpld(void) |
| 380 | { |
| 381 | i2c_add_driver(&cpld_video_driver); |
| 382 | } |
| 383 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 384 | static struct i2c_board_info __initdata i2c_info[] = { |
| 385 | { |
| 386 | I2C_BOARD_INFO("24c256", 0x50), |
| 387 | .platform_data = &eeprom_info, |
| 388 | }, |
| 389 | { |
| 390 | I2C_BOARD_INFO("pcf8574a", 0x38), |
| 391 | .platform_data = &pcf_data, |
| 392 | }, |
Hemant Pedanekar | 548197b | 2009-07-17 23:30:36 +0530 | [diff] [blame] | 393 | { |
| 394 | I2C_BOARD_INFO("cpld_reg0", 0x3a), |
| 395 | }, |
Chaithrika U S | 1a7ff8f | 2009-08-25 15:20:05 +0300 | [diff] [blame] | 396 | { |
| 397 | I2C_BOARD_INFO("tlv320aic33", 0x18), |
Muralidharan Karicheri | 85609c1 | 2009-09-16 13:15:30 -0400 | [diff] [blame] | 398 | }, |
| 399 | { |
| 400 | I2C_BOARD_INFO("cpld_video", 0x3b), |
| 401 | }, |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 402 | { |
| 403 | I2C_BOARD_INFO("cdce949", 0x6c), |
| 404 | }, |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 405 | }; |
| 406 | |
| 407 | static struct davinci_i2c_platform_data i2c_pdata = { |
| 408 | .bus_freq = 100 /* kHz */, |
| 409 | .bus_delay = 0 /* usec */, |
| 410 | }; |
| 411 | |
Sekhar Nori | b73b526 | 2009-11-24 18:25:14 +0530 | [diff] [blame] | 412 | #define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38) |
| 413 | #define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c) |
| 414 | #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8)) |
| 415 | #define VCH2CLK_SYSCLK8 (BIT(9)) |
| 416 | #define VCH2CLK_AUXCLK (BIT(9) | BIT(8)) |
| 417 | #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12)) |
| 418 | #define VCH3CLK_SYSCLK8 (BIT(13)) |
| 419 | #define VCH3CLK_AUXCLK (BIT(14) | BIT(13)) |
| 420 | |
| 421 | #define VIDCH2CLK (BIT(10)) |
| 422 | #define VIDCH3CLK (BIT(11)) |
| 423 | #define VIDCH1CLK (BIT(4)) |
| 424 | #define TVP7002_INPUT (BIT(4)) |
| 425 | #define TVP5147_INPUT (~BIT(4)) |
| 426 | #define VPIF_INPUT_ONE_CHANNEL (BIT(5)) |
| 427 | #define VPIF_INPUT_TWO_CHANNEL (~BIT(5)) |
| 428 | #define TVP5147_CH0 "tvp514x-0" |
| 429 | #define TVP5147_CH1 "tvp514x-1" |
| 430 | |
| 431 | static void __iomem *vpif_vidclkctl_reg; |
| 432 | static void __iomem *vpif_vsclkdis_reg; |
| 433 | /* spin lock for updating above registers */ |
| 434 | static spinlock_t vpif_reg_lock; |
| 435 | |
Muralidharan Karicheri | 85609c1 | 2009-09-16 13:15:30 -0400 | [diff] [blame] | 436 | static int set_vpif_clock(int mux_mode, int hd) |
| 437 | { |
| 438 | unsigned long flags; |
| 439 | unsigned int value; |
| 440 | int val = 0; |
| 441 | int err = 0; |
| 442 | |
| 443 | if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client) |
| 444 | return -ENXIO; |
| 445 | |
| 446 | /* disable the clock */ |
| 447 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 448 | value = __raw_readl(vpif_vsclkdis_reg); |
| 449 | value |= (VIDCH3CLK | VIDCH2CLK); |
| 450 | __raw_writel(value, vpif_vsclkdis_reg); |
| 451 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 452 | |
| 453 | val = i2c_smbus_read_byte(cpld_client); |
| 454 | if (val < 0) |
| 455 | return val; |
| 456 | |
| 457 | if (mux_mode == 1) |
| 458 | val &= ~0x40; |
| 459 | else |
| 460 | val |= 0x40; |
| 461 | |
| 462 | err = i2c_smbus_write_byte(cpld_client, val); |
| 463 | if (err) |
| 464 | return err; |
| 465 | |
| 466 | value = __raw_readl(vpif_vidclkctl_reg); |
| 467 | value &= ~(VCH2CLK_MASK); |
| 468 | value &= ~(VCH3CLK_MASK); |
| 469 | |
| 470 | if (hd >= 1) |
| 471 | value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8); |
| 472 | else |
| 473 | value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK); |
| 474 | |
| 475 | __raw_writel(value, vpif_vidclkctl_reg); |
| 476 | |
| 477 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 478 | value = __raw_readl(vpif_vsclkdis_reg); |
| 479 | /* enable the clock */ |
| 480 | value &= ~(VIDCH3CLK | VIDCH2CLK); |
| 481 | __raw_writel(value, vpif_vsclkdis_reg); |
| 482 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 483 | |
| 484 | return 0; |
| 485 | } |
| 486 | |
| 487 | static struct vpif_subdev_info dm646x_vpif_subdev[] = { |
| 488 | { |
| 489 | .name = "adv7343", |
| 490 | .board_info = { |
| 491 | I2C_BOARD_INFO("adv7343", 0x2a), |
| 492 | }, |
| 493 | }, |
| 494 | { |
| 495 | .name = "ths7303", |
| 496 | .board_info = { |
| 497 | I2C_BOARD_INFO("ths7303", 0x2c), |
| 498 | }, |
| 499 | }, |
| 500 | }; |
| 501 | |
| 502 | static const char *output[] = { |
| 503 | "Composite", |
| 504 | "Component", |
| 505 | "S-Video", |
| 506 | }; |
| 507 | |
| 508 | static struct vpif_display_config dm646x_vpif_display_config = { |
| 509 | .set_clock = set_vpif_clock, |
| 510 | .subdevinfo = dm646x_vpif_subdev, |
| 511 | .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev), |
| 512 | .output = output, |
| 513 | .output_count = ARRAY_SIZE(output), |
| 514 | .card_name = "DM646x EVM", |
| 515 | }; |
| 516 | |
| 517 | /** |
| 518 | * setup_vpif_input_path() |
| 519 | * @channel: channel id (0 - CH0, 1 - CH1) |
| 520 | * @sub_dev_name: ptr sub device name |
| 521 | * |
| 522 | * This will set vpif input to capture data from tvp514x or |
| 523 | * tvp7002. |
| 524 | */ |
| 525 | static int setup_vpif_input_path(int channel, const char *sub_dev_name) |
| 526 | { |
| 527 | int err = 0; |
| 528 | int val; |
| 529 | |
| 530 | /* for channel 1, we don't do anything */ |
| 531 | if (channel != 0) |
| 532 | return 0; |
| 533 | |
| 534 | if (!cpld_client) |
| 535 | return -ENXIO; |
| 536 | |
| 537 | val = i2c_smbus_read_byte(cpld_client); |
| 538 | if (val < 0) |
| 539 | return val; |
| 540 | |
| 541 | if (!strcmp(sub_dev_name, TVP5147_CH0) || |
| 542 | !strcmp(sub_dev_name, TVP5147_CH1)) |
| 543 | val &= TVP5147_INPUT; |
| 544 | else |
| 545 | val |= TVP7002_INPUT; |
| 546 | |
| 547 | err = i2c_smbus_write_byte(cpld_client, val); |
| 548 | if (err) |
| 549 | return err; |
| 550 | return 0; |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * setup_vpif_input_channel_mode() |
| 555 | * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel |
| 556 | * |
| 557 | * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147) |
| 558 | */ |
| 559 | static int setup_vpif_input_channel_mode(int mux_mode) |
| 560 | { |
| 561 | unsigned long flags; |
| 562 | int err = 0; |
| 563 | int val; |
| 564 | u32 value; |
| 565 | |
| 566 | if (!vpif_vsclkdis_reg || !cpld_client) |
| 567 | return -ENXIO; |
| 568 | |
| 569 | val = i2c_smbus_read_byte(cpld_client); |
| 570 | if (val < 0) |
| 571 | return val; |
| 572 | |
| 573 | spin_lock_irqsave(&vpif_reg_lock, flags); |
| 574 | value = __raw_readl(vpif_vsclkdis_reg); |
| 575 | if (mux_mode) { |
| 576 | val &= VPIF_INPUT_TWO_CHANNEL; |
| 577 | value |= VIDCH1CLK; |
| 578 | } else { |
| 579 | val |= VPIF_INPUT_ONE_CHANNEL; |
| 580 | value &= ~VIDCH1CLK; |
| 581 | } |
| 582 | __raw_writel(value, vpif_vsclkdis_reg); |
| 583 | spin_unlock_irqrestore(&vpif_reg_lock, flags); |
| 584 | |
| 585 | err = i2c_smbus_write_byte(cpld_client, val); |
| 586 | if (err) |
| 587 | return err; |
| 588 | |
| 589 | return 0; |
| 590 | } |
| 591 | |
| 592 | static struct tvp514x_platform_data tvp5146_pdata = { |
| 593 | .clk_polarity = 0, |
| 594 | .hs_polarity = 1, |
| 595 | .vs_polarity = 1 |
| 596 | }; |
| 597 | |
| 598 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) |
| 599 | |
| 600 | static struct vpif_subdev_info vpif_capture_sdev_info[] = { |
| 601 | { |
| 602 | .name = TVP5147_CH0, |
| 603 | .board_info = { |
| 604 | I2C_BOARD_INFO("tvp5146", 0x5d), |
| 605 | .platform_data = &tvp5146_pdata, |
| 606 | }, |
| 607 | .input = INPUT_CVBS_VI2B, |
| 608 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 609 | .can_route = 1, |
| 610 | .vpif_if = { |
| 611 | .if_type = VPIF_IF_BT656, |
| 612 | .hd_pol = 1, |
| 613 | .vd_pol = 1, |
| 614 | .fid_pol = 0, |
| 615 | }, |
| 616 | }, |
| 617 | { |
| 618 | .name = TVP5147_CH1, |
| 619 | .board_info = { |
| 620 | I2C_BOARD_INFO("tvp5146", 0x5c), |
| 621 | .platform_data = &tvp5146_pdata, |
| 622 | }, |
| 623 | .input = INPUT_SVIDEO_VI2C_VI1C, |
| 624 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 625 | .can_route = 1, |
| 626 | .vpif_if = { |
| 627 | .if_type = VPIF_IF_BT656, |
| 628 | .hd_pol = 1, |
| 629 | .vd_pol = 1, |
| 630 | .fid_pol = 0, |
| 631 | }, |
| 632 | }, |
| 633 | }; |
| 634 | |
| 635 | static const struct vpif_input dm6467_ch0_inputs[] = { |
| 636 | { |
| 637 | .input = { |
| 638 | .index = 0, |
| 639 | .name = "Composite", |
| 640 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 641 | .std = TVP514X_STD_ALL, |
| 642 | }, |
| 643 | .subdev_name = TVP5147_CH0, |
| 644 | }, |
| 645 | }; |
| 646 | |
| 647 | static const struct vpif_input dm6467_ch1_inputs[] = { |
| 648 | { |
| 649 | .input = { |
| 650 | .index = 0, |
| 651 | .name = "S-Video", |
| 652 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 653 | .std = TVP514X_STD_ALL, |
| 654 | }, |
| 655 | .subdev_name = TVP5147_CH1, |
| 656 | }, |
| 657 | }; |
| 658 | |
| 659 | static struct vpif_capture_config dm646x_vpif_capture_cfg = { |
| 660 | .setup_input_path = setup_vpif_input_path, |
| 661 | .setup_input_channel_mode = setup_vpif_input_channel_mode, |
| 662 | .subdev_info = vpif_capture_sdev_info, |
| 663 | .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info), |
| 664 | .chan_config[0] = { |
| 665 | .inputs = dm6467_ch0_inputs, |
| 666 | .input_count = ARRAY_SIZE(dm6467_ch0_inputs), |
| 667 | }, |
| 668 | .chan_config[1] = { |
| 669 | .inputs = dm6467_ch1_inputs, |
| 670 | .input_count = ARRAY_SIZE(dm6467_ch1_inputs), |
| 671 | }, |
| 672 | }; |
| 673 | |
| 674 | static void __init evm_init_video(void) |
| 675 | { |
| 676 | vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4); |
| 677 | vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4); |
| 678 | if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) { |
| 679 | pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n"); |
| 680 | return; |
| 681 | } |
| 682 | spin_lock_init(&vpif_reg_lock); |
| 683 | |
| 684 | dm646x_setup_vpif(&dm646x_vpif_display_config, |
| 685 | &dm646x_vpif_capture_cfg); |
| 686 | } |
| 687 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 688 | static void __init evm_init_i2c(void) |
| 689 | { |
| 690 | davinci_init_i2c(&i2c_pdata); |
Hemant Pedanekar | 548197b | 2009-07-17 23:30:36 +0530 | [diff] [blame] | 691 | i2c_add_driver(&dm6467evm_cpld_driver); |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 692 | i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
Muralidharan Karicheri | 85609c1 | 2009-09-16 13:15:30 -0400 | [diff] [blame] | 693 | evm_init_cpld(); |
| 694 | evm_init_video(); |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 695 | } |
| 696 | |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 697 | #define CDCE949_XIN_RATE 27000000 |
| 698 | |
| 699 | /* CDCE949 support - "lpsc" field is overridden to work as clock number */ |
| 700 | static struct clk cdce_clk_in = { |
| 701 | .name = "cdce_xin", |
| 702 | .rate = CDCE949_XIN_RATE, |
| 703 | }; |
| 704 | |
Kevin Hilman | c564191 | 2010-01-11 08:22:23 -0800 | [diff] [blame] | 705 | static struct clk_lookup cdce_clks[] = { |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 706 | CLK(NULL, "xin", &cdce_clk_in), |
| 707 | CLK(NULL, NULL, NULL), |
| 708 | }; |
| 709 | |
| 710 | static void __init cdce_clk_init(void) |
| 711 | { |
Kevin Hilman | c564191 | 2010-01-11 08:22:23 -0800 | [diff] [blame] | 712 | struct clk_lookup *c; |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 713 | struct clk *clk; |
| 714 | |
Kevin Hilman | c564191 | 2010-01-11 08:22:23 -0800 | [diff] [blame] | 715 | for (c = cdce_clks; c->clk; c++) { |
| 716 | clk = c->clk; |
| 717 | clkdev_add(c); |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 718 | clk_register(clk); |
| 719 | } |
| 720 | } |
| 721 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 722 | static void __init davinci_map_io(void) |
| 723 | { |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 724 | dm646x_init(); |
Nageswari Srinivasan | 77a92c7 | 2010-01-06 17:19:49 +0530 | [diff] [blame] | 725 | cdce_clk_init(); |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 726 | } |
| 727 | |
Sekhar Nori | b73b526 | 2009-11-24 18:25:14 +0530 | [diff] [blame] | 728 | static struct davinci_uart_config uart_config __initdata = { |
| 729 | .enabled_uarts = (1 << 0), |
| 730 | }; |
| 731 | |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 732 | #define DM646X_EVM_PHY_ID "0:01" |
Rajashekhara, Sudhakar | cce3ddd | 2010-06-29 11:35:15 +0530 | [diff] [blame] | 733 | /* |
| 734 | * The following EDMA channels/slots are not being used by drivers (for |
| 735 | * example: Timer, GPIO, UART events etc) on dm646x, hence they are being |
| 736 | * reserved for codecs on the DSP side. |
| 737 | */ |
| 738 | static const s16 dm646x_dma_rsv_chans[][2] = { |
| 739 | /* (offset, number) */ |
| 740 | { 0, 4}, |
| 741 | {13, 3}, |
| 742 | {24, 4}, |
| 743 | {30, 2}, |
| 744 | {54, 3}, |
| 745 | {-1, -1} |
| 746 | }; |
| 747 | |
| 748 | static const s16 dm646x_dma_rsv_slots[][2] = { |
| 749 | /* (offset, number) */ |
| 750 | { 0, 4}, |
| 751 | {13, 3}, |
| 752 | {24, 4}, |
| 753 | {30, 2}, |
| 754 | {54, 3}, |
| 755 | {128, 384}, |
| 756 | {-1, -1} |
| 757 | }; |
| 758 | |
| 759 | static struct edma_rsv_info dm646x_edma_rsv[] = { |
| 760 | { |
| 761 | .rsv_chans = dm646x_dma_rsv_chans, |
| 762 | .rsv_slots = dm646x_dma_rsv_slots, |
| 763 | }, |
| 764 | }; |
| 765 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 766 | static __init void evm_init(void) |
| 767 | { |
Mark A. Greer | 972412b | 2009-04-15 12:40:56 -0700 | [diff] [blame] | 768 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 769 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 770 | evm_init_i2c(); |
| 771 | davinci_serial_init(&uart_config); |
Chaithrika U S | 25acf55 | 2009-06-05 06:28:08 -0400 | [diff] [blame] | 772 | dm646x_init_mcasp0(&dm646x_evm_snd_data[0]); |
| 773 | dm646x_init_mcasp1(&dm646x_evm_snd_data[1]); |
Mark A. Greer | 972412b | 2009-04-15 12:40:56 -0700 | [diff] [blame] | 774 | |
Sekhar Nori | 0b3fc7b | 2010-08-09 15:46:40 +0530 | [diff] [blame] | 775 | if (machine_is_davinci_dm6467tevm()) |
| 776 | davinci_nand_data.timing = &dm6467tevm_nandflash_timing; |
| 777 | |
Hemant Pedanekar | 50fbabf | 2009-09-18 23:09:29 +0530 | [diff] [blame] | 778 | platform_device_register(&davinci_nand_device); |
| 779 | |
Rajashekhara, Sudhakar | cce3ddd | 2010-06-29 11:35:15 +0530 | [diff] [blame] | 780 | dm646x_init_edma(dm646x_edma_rsv); |
| 781 | |
Hemant Pedanekar | 548197b | 2009-07-17 23:30:36 +0530 | [diff] [blame] | 782 | if (HAS_ATA) |
Sergei Shtylyov | 7a9978a | 2010-04-21 18:11:33 +0400 | [diff] [blame] | 783 | davinci_init_ide(); |
Hemant Pedanekar | 548197b | 2009-07-17 23:30:36 +0530 | [diff] [blame] | 784 | |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 785 | soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID; |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 786 | } |
| 787 | |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 788 | #define DM646X_EVM_REF_FREQ 27000000 |
| 789 | #define DM6467T_EVM_REF_FREQ 33000000 |
| 790 | |
| 791 | void __init dm646x_board_setup_refclk(struct clk *clk) |
| 792 | { |
| 793 | if (machine_is_davinci_dm6467tevm()) |
| 794 | clk->rate = DM6467T_EVM_REF_FREQ; |
| 795 | else |
| 796 | clk->rate = DM646X_EVM_REF_FREQ; |
| 797 | } |
| 798 | |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 799 | MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM") |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 800 | .boot_params = (0x80000100), |
| 801 | .map_io = davinci_map_io, |
Cyril Chemparathy | bd80894 | 2010-05-07 17:06:37 -0400 | [diff] [blame] | 802 | .init_irq = davinci_irq_init, |
Kevin Hilman | e38d92f | 2009-04-29 17:44:58 -0700 | [diff] [blame] | 803 | .timer = &davinci_timer, |
| 804 | .init_machine = evm_init, |
| 805 | MACHINE_END |
| 806 | |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 807 | MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM") |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 808 | .boot_params = (0x80000100), |
| 809 | .map_io = davinci_map_io, |
Cyril Chemparathy | bd80894 | 2010-05-07 17:06:37 -0400 | [diff] [blame] | 810 | .init_irq = davinci_irq_init, |
Sekhar Nori | c1978e1 | 2009-11-24 18:25:15 +0530 | [diff] [blame] | 811 | .timer = &davinci_timer, |
| 812 | .init_machine = evm_init, |
| 813 | MACHINE_END |
| 814 | |