Manuel Lauss | 64cd04d | 2011-11-10 12:03:26 +0000 | [diff] [blame] | 1 | /* |
| 2 | * DBAu1300 init and platform device setup. |
| 3 | * |
| 4 | * (c) 2009 Manuel Lauss <manuel.lauss@googlemail.com> |
| 5 | */ |
| 6 | |
| 7 | #include <linux/dma-mapping.h> |
| 8 | #include <linux/gpio.h> |
| 9 | #include <linux/gpio_keys.h> |
| 10 | #include <linux/init.h> |
| 11 | #include <linux/input.h> /* KEY_* codes */ |
| 12 | #include <linux/i2c.h> |
| 13 | #include <linux/io.h> |
| 14 | #include <linux/leds.h> |
| 15 | #include <linux/ata_platform.h> |
| 16 | #include <linux/mmc/host.h> |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/mtd/mtd.h> |
| 19 | #include <linux/mtd/nand.h> |
| 20 | #include <linux/mtd/partitions.h> |
| 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/smsc911x.h> |
| 23 | |
| 24 | #include <asm/mach-au1x00/au1000.h> |
| 25 | #include <asm/mach-au1x00/au1100_mmc.h> |
| 26 | #include <asm/mach-au1x00/au1xxx_dbdma.h> |
| 27 | #include <asm/mach-au1x00/au1xxx_psc.h> |
| 28 | #include <asm/mach-db1x00/db1300.h> |
| 29 | #include <asm/mach-db1x00/bcsr.h> |
| 30 | #include <asm/mach-au1x00/prom.h> |
| 31 | |
| 32 | #include "platform.h" |
| 33 | |
| 34 | static struct i2c_board_info db1300_i2c_devs[] __initdata = { |
| 35 | { I2C_BOARD_INFO("wm8731", 0x1b), }, /* I2S audio codec */ |
| 36 | { I2C_BOARD_INFO("ne1619", 0x2d), }, /* adm1025-compat hwmon */ |
| 37 | }; |
| 38 | |
| 39 | /* multifunction pins to assign to GPIO controller */ |
| 40 | static int db1300_gpio_pins[] __initdata = { |
| 41 | AU1300_PIN_LCDPWM0, AU1300_PIN_PSC2SYNC1, AU1300_PIN_WAKE1, |
| 42 | AU1300_PIN_WAKE2, AU1300_PIN_WAKE3, AU1300_PIN_FG3AUX, |
| 43 | AU1300_PIN_EXTCLK1, |
| 44 | -1, /* terminator */ |
| 45 | }; |
| 46 | |
| 47 | /* multifunction pins to assign to device functions */ |
| 48 | static int db1300_dev_pins[] __initdata = { |
| 49 | /* wake-from-str pins 0-3 */ |
| 50 | AU1300_PIN_WAKE0, |
| 51 | /* external clock sources for PSC0 */ |
| 52 | AU1300_PIN_EXTCLK0, |
| 53 | /* 8bit MMC interface on SD0: 6-9 */ |
| 54 | AU1300_PIN_SD0DAT4, AU1300_PIN_SD0DAT5, AU1300_PIN_SD0DAT6, |
| 55 | AU1300_PIN_SD0DAT7, |
| 56 | /* UART1 pins: 11-18 */ |
| 57 | AU1300_PIN_U1RI, AU1300_PIN_U1DCD, AU1300_PIN_U1DSR, |
| 58 | AU1300_PIN_U1CTS, AU1300_PIN_U1RTS, AU1300_PIN_U1DTR, |
| 59 | AU1300_PIN_U1RX, AU1300_PIN_U1TX, |
| 60 | /* UART0 pins: 19-24 */ |
| 61 | AU1300_PIN_U0RI, AU1300_PIN_U0DCD, AU1300_PIN_U0DSR, |
| 62 | AU1300_PIN_U0CTS, AU1300_PIN_U0RTS, AU1300_PIN_U0DTR, |
| 63 | /* UART2: 25-26 */ |
| 64 | AU1300_PIN_U2RX, AU1300_PIN_U2TX, |
| 65 | /* UART3: 27-28 */ |
| 66 | AU1300_PIN_U3RX, AU1300_PIN_U3TX, |
| 67 | /* LCD controller PWMs, ext pixclock: 30-31 */ |
| 68 | AU1300_PIN_LCDPWM1, AU1300_PIN_LCDCLKIN, |
| 69 | /* SD1 interface: 32-37 */ |
| 70 | AU1300_PIN_SD1DAT0, AU1300_PIN_SD1DAT1, AU1300_PIN_SD1DAT2, |
| 71 | AU1300_PIN_SD1DAT3, AU1300_PIN_SD1CMD, AU1300_PIN_SD1CLK, |
| 72 | /* SD2 interface: 38-43 */ |
| 73 | AU1300_PIN_SD2DAT0, AU1300_PIN_SD2DAT1, AU1300_PIN_SD2DAT2, |
| 74 | AU1300_PIN_SD2DAT3, AU1300_PIN_SD2CMD, AU1300_PIN_SD2CLK, |
| 75 | /* PSC0/1 clocks: 44-45 */ |
| 76 | AU1300_PIN_PSC0CLK, AU1300_PIN_PSC1CLK, |
| 77 | /* PSCs: 46-49/50-53/54-57/58-61 */ |
| 78 | AU1300_PIN_PSC0SYNC0, AU1300_PIN_PSC0SYNC1, AU1300_PIN_PSC0D0, |
| 79 | AU1300_PIN_PSC0D1, |
| 80 | AU1300_PIN_PSC1SYNC0, AU1300_PIN_PSC1SYNC1, AU1300_PIN_PSC1D0, |
| 81 | AU1300_PIN_PSC1D1, |
| 82 | AU1300_PIN_PSC2SYNC0, AU1300_PIN_PSC2D0, |
| 83 | AU1300_PIN_PSC2D1, |
| 84 | AU1300_PIN_PSC3SYNC0, AU1300_PIN_PSC3SYNC1, AU1300_PIN_PSC3D0, |
| 85 | AU1300_PIN_PSC3D1, |
| 86 | /* PCMCIA interface: 62-70 */ |
| 87 | AU1300_PIN_PCE2, AU1300_PIN_PCE1, AU1300_PIN_PIOS16, |
| 88 | AU1300_PIN_PIOR, AU1300_PIN_PWE, AU1300_PIN_PWAIT, |
| 89 | AU1300_PIN_PREG, AU1300_PIN_POE, AU1300_PIN_PIOW, |
| 90 | /* camera interface H/V sync inputs: 71-72 */ |
| 91 | AU1300_PIN_CIMLS, AU1300_PIN_CIMFS, |
| 92 | /* PSC2/3 clocks: 73-74 */ |
| 93 | AU1300_PIN_PSC2CLK, AU1300_PIN_PSC3CLK, |
| 94 | -1, /* terminator */ |
| 95 | }; |
| 96 | |
| 97 | static void __init db1300_gpio_config(void) |
| 98 | { |
| 99 | int *i; |
| 100 | |
| 101 | i = &db1300_dev_pins[0]; |
| 102 | while (*i != -1) |
| 103 | au1300_pinfunc_to_dev(*i++); |
| 104 | |
| 105 | i = &db1300_gpio_pins[0]; |
| 106 | while (*i != -1) |
| 107 | au1300_gpio_direction_input(*i++);/* implies pin_to_gpio */ |
| 108 | |
| 109 | au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX); |
| 110 | } |
| 111 | |
| 112 | char *get_system_type(void) |
| 113 | { |
| 114 | return "DB1300"; |
| 115 | } |
| 116 | |
| 117 | /**********************************************************************/ |
| 118 | |
| 119 | static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, |
| 120 | unsigned int ctrl) |
| 121 | { |
| 122 | struct nand_chip *this = mtd->priv; |
| 123 | unsigned long ioaddr = (unsigned long)this->IO_ADDR_W; |
| 124 | |
| 125 | ioaddr &= 0xffffff00; |
| 126 | |
| 127 | if (ctrl & NAND_CLE) { |
| 128 | ioaddr += MEM_STNAND_CMD; |
| 129 | } else if (ctrl & NAND_ALE) { |
| 130 | ioaddr += MEM_STNAND_ADDR; |
| 131 | } else { |
| 132 | /* assume we want to r/w real data by default */ |
| 133 | ioaddr += MEM_STNAND_DATA; |
| 134 | } |
| 135 | this->IO_ADDR_R = this->IO_ADDR_W = (void __iomem *)ioaddr; |
| 136 | if (cmd != NAND_CMD_NONE) { |
| 137 | __raw_writeb(cmd, this->IO_ADDR_W); |
| 138 | wmb(); |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | static int au1300_nand_device_ready(struct mtd_info *mtd) |
| 143 | { |
| 144 | return __raw_readl((void __iomem *)MEM_STSTAT) & 1; |
| 145 | } |
| 146 | |
| 147 | static const char *db1300_part_probes[] = { "cmdlinepart", NULL }; |
| 148 | |
| 149 | static struct mtd_partition db1300_nand_parts[] = { |
| 150 | { |
| 151 | .name = "NAND FS 0", |
| 152 | .offset = 0, |
| 153 | .size = 8 * 1024 * 1024, |
| 154 | }, |
| 155 | { |
| 156 | .name = "NAND FS 1", |
| 157 | .offset = MTDPART_OFS_APPEND, |
| 158 | .size = MTDPART_SIZ_FULL |
| 159 | }, |
| 160 | }; |
| 161 | |
| 162 | struct platform_nand_data db1300_nand_platdata = { |
| 163 | .chip = { |
| 164 | .nr_chips = 1, |
| 165 | .chip_offset = 0, |
| 166 | .nr_partitions = ARRAY_SIZE(db1300_nand_parts), |
| 167 | .partitions = db1300_nand_parts, |
| 168 | .chip_delay = 20, |
| 169 | .part_probe_types = db1300_part_probes, |
| 170 | }, |
| 171 | .ctrl = { |
| 172 | .dev_ready = au1300_nand_device_ready, |
| 173 | .cmd_ctrl = au1300_nand_cmd_ctrl, |
| 174 | }, |
| 175 | }; |
| 176 | |
| 177 | static struct resource db1300_nand_res[] = { |
| 178 | [0] = { |
| 179 | .start = DB1300_NAND_PHYS_ADDR, |
| 180 | .end = DB1300_NAND_PHYS_ADDR + 0xff, |
| 181 | .flags = IORESOURCE_MEM, |
| 182 | }, |
| 183 | }; |
| 184 | |
| 185 | static struct platform_device db1300_nand_dev = { |
| 186 | .name = "gen_nand", |
| 187 | .num_resources = ARRAY_SIZE(db1300_nand_res), |
| 188 | .resource = db1300_nand_res, |
| 189 | .id = -1, |
| 190 | .dev = { |
| 191 | .platform_data = &db1300_nand_platdata, |
| 192 | } |
| 193 | }; |
| 194 | |
| 195 | /**********************************************************************/ |
| 196 | |
| 197 | static struct resource db1300_eth_res[] = { |
| 198 | [0] = { |
| 199 | .start = DB1300_ETH_PHYS_ADDR, |
| 200 | .end = DB1300_ETH_PHYS_END, |
| 201 | .flags = IORESOURCE_MEM, |
| 202 | }, |
| 203 | [1] = { |
| 204 | .start = DB1300_ETH_INT, |
| 205 | .end = DB1300_ETH_INT, |
| 206 | .flags = IORESOURCE_IRQ, |
| 207 | }, |
| 208 | }; |
| 209 | |
| 210 | static struct smsc911x_platform_config db1300_eth_config = { |
| 211 | .phy_interface = PHY_INTERFACE_MODE_MII, |
| 212 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| 213 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, |
| 214 | .flags = SMSC911X_USE_32BIT, |
| 215 | }; |
| 216 | |
| 217 | static struct platform_device db1300_eth_dev = { |
| 218 | .name = "smsc911x", |
| 219 | .id = -1, |
| 220 | .num_resources = ARRAY_SIZE(db1300_eth_res), |
| 221 | .resource = db1300_eth_res, |
| 222 | .dev = { |
| 223 | .platform_data = &db1300_eth_config, |
| 224 | }, |
| 225 | }; |
| 226 | |
| 227 | /**********************************************************************/ |
| 228 | |
| 229 | static struct resource au1300_psc1_res[] = { |
| 230 | [0] = { |
| 231 | .start = AU1300_PSC1_PHYS_ADDR, |
| 232 | .end = AU1300_PSC1_PHYS_ADDR + 0x0fff, |
| 233 | .flags = IORESOURCE_MEM, |
| 234 | }, |
| 235 | [1] = { |
| 236 | .start = AU1300_PSC1_INT, |
| 237 | .end = AU1300_PSC1_INT, |
| 238 | .flags = IORESOURCE_IRQ, |
| 239 | }, |
| 240 | [2] = { |
| 241 | .start = AU1300_DSCR_CMD0_PSC1_TX, |
| 242 | .end = AU1300_DSCR_CMD0_PSC1_TX, |
| 243 | .flags = IORESOURCE_DMA, |
| 244 | }, |
| 245 | [3] = { |
| 246 | .start = AU1300_DSCR_CMD0_PSC1_RX, |
| 247 | .end = AU1300_DSCR_CMD0_PSC1_RX, |
| 248 | .flags = IORESOURCE_DMA, |
| 249 | }, |
| 250 | }; |
| 251 | |
| 252 | static struct platform_device db1300_ac97_dev = { |
| 253 | .name = "au1xpsc_ac97", |
| 254 | .id = 1, /* PSC ID. match with AC97 codec ID! */ |
| 255 | .num_resources = ARRAY_SIZE(au1300_psc1_res), |
| 256 | .resource = au1300_psc1_res, |
| 257 | }; |
| 258 | |
| 259 | /**********************************************************************/ |
| 260 | |
| 261 | static struct resource au1300_psc2_res[] = { |
| 262 | [0] = { |
| 263 | .start = AU1300_PSC2_PHYS_ADDR, |
| 264 | .end = AU1300_PSC2_PHYS_ADDR + 0x0fff, |
| 265 | .flags = IORESOURCE_MEM, |
| 266 | }, |
| 267 | [1] = { |
| 268 | .start = AU1300_PSC2_INT, |
| 269 | .end = AU1300_PSC2_INT, |
| 270 | .flags = IORESOURCE_IRQ, |
| 271 | }, |
| 272 | [2] = { |
| 273 | .start = AU1300_DSCR_CMD0_PSC2_TX, |
| 274 | .end = AU1300_DSCR_CMD0_PSC2_TX, |
| 275 | .flags = IORESOURCE_DMA, |
| 276 | }, |
| 277 | [3] = { |
| 278 | .start = AU1300_DSCR_CMD0_PSC2_RX, |
| 279 | .end = AU1300_DSCR_CMD0_PSC2_RX, |
| 280 | .flags = IORESOURCE_DMA, |
| 281 | }, |
| 282 | }; |
| 283 | |
| 284 | static struct platform_device db1300_i2s_dev = { |
| 285 | .name = "au1xpsc_i2s", |
| 286 | .id = 2, /* PSC ID */ |
| 287 | .num_resources = ARRAY_SIZE(au1300_psc2_res), |
| 288 | .resource = au1300_psc2_res, |
| 289 | }; |
| 290 | |
| 291 | /**********************************************************************/ |
| 292 | |
| 293 | static struct resource au1300_psc3_res[] = { |
| 294 | [0] = { |
| 295 | .start = AU1300_PSC3_PHYS_ADDR, |
| 296 | .end = AU1300_PSC3_PHYS_ADDR + 0x0fff, |
| 297 | .flags = IORESOURCE_MEM, |
| 298 | }, |
| 299 | [1] = { |
| 300 | .start = AU1300_PSC3_INT, |
| 301 | .end = AU1300_PSC3_INT, |
| 302 | .flags = IORESOURCE_IRQ, |
| 303 | }, |
| 304 | [2] = { |
| 305 | .start = AU1300_DSCR_CMD0_PSC3_TX, |
| 306 | .end = AU1300_DSCR_CMD0_PSC3_TX, |
| 307 | .flags = IORESOURCE_DMA, |
| 308 | }, |
| 309 | [3] = { |
| 310 | .start = AU1300_DSCR_CMD0_PSC3_RX, |
| 311 | .end = AU1300_DSCR_CMD0_PSC3_RX, |
| 312 | .flags = IORESOURCE_DMA, |
| 313 | }, |
| 314 | }; |
| 315 | |
| 316 | static struct platform_device db1300_i2c_dev = { |
| 317 | .name = "au1xpsc_smbus", |
| 318 | .id = 0, /* bus number */ |
| 319 | .num_resources = ARRAY_SIZE(au1300_psc3_res), |
| 320 | .resource = au1300_psc3_res, |
| 321 | }; |
| 322 | |
| 323 | /**********************************************************************/ |
| 324 | |
| 325 | /* proper key assignments when facing the LCD panel. For key assignments |
| 326 | * according to the schematics swap up with down and left with right. |
| 327 | * I chose to use it to emulate the arrow keys of a keyboard. |
| 328 | */ |
| 329 | static struct gpio_keys_button db1300_5waysw_arrowkeys[] = { |
| 330 | { |
| 331 | .code = KEY_DOWN, |
| 332 | .gpio = AU1300_PIN_LCDPWM0, |
| 333 | .type = EV_KEY, |
| 334 | .debounce_interval = 1, |
| 335 | .active_low = 1, |
| 336 | .desc = "5waysw-down", |
| 337 | }, |
| 338 | { |
| 339 | .code = KEY_UP, |
| 340 | .gpio = AU1300_PIN_PSC2SYNC1, |
| 341 | .type = EV_KEY, |
| 342 | .debounce_interval = 1, |
| 343 | .active_low = 1, |
| 344 | .desc = "5waysw-up", |
| 345 | }, |
| 346 | { |
| 347 | .code = KEY_RIGHT, |
| 348 | .gpio = AU1300_PIN_WAKE3, |
| 349 | .type = EV_KEY, |
| 350 | .debounce_interval = 1, |
| 351 | .active_low = 1, |
| 352 | .desc = "5waysw-right", |
| 353 | }, |
| 354 | { |
| 355 | .code = KEY_LEFT, |
| 356 | .gpio = AU1300_PIN_WAKE2, |
| 357 | .type = EV_KEY, |
| 358 | .debounce_interval = 1, |
| 359 | .active_low = 1, |
| 360 | .desc = "5waysw-left", |
| 361 | }, |
| 362 | { |
| 363 | .code = KEY_ENTER, |
| 364 | .gpio = AU1300_PIN_WAKE1, |
| 365 | .type = EV_KEY, |
| 366 | .debounce_interval = 1, |
| 367 | .active_low = 1, |
| 368 | .desc = "5waysw-push", |
| 369 | }, |
| 370 | }; |
| 371 | |
| 372 | static struct gpio_keys_platform_data db1300_5waysw_data = { |
| 373 | .buttons = db1300_5waysw_arrowkeys, |
| 374 | .nbuttons = ARRAY_SIZE(db1300_5waysw_arrowkeys), |
| 375 | .rep = 1, |
| 376 | .name = "db1300-5wayswitch", |
| 377 | }; |
| 378 | |
| 379 | static struct platform_device db1300_5waysw_dev = { |
| 380 | .name = "gpio-keys", |
| 381 | .dev = { |
| 382 | .platform_data = &db1300_5waysw_data, |
| 383 | }, |
| 384 | }; |
| 385 | |
| 386 | /**********************************************************************/ |
| 387 | |
| 388 | static struct platform_device db1300_rtc_dev = { |
| 389 | .name = "rtc-au1xxx", |
| 390 | .id = -1, |
| 391 | }; |
| 392 | |
| 393 | /**********************************************************************/ |
| 394 | |
| 395 | static struct pata_platform_info db1300_ide_info = { |
| 396 | .ioport_shift = DB1300_IDE_REG_SHIFT, |
| 397 | }; |
| 398 | |
| 399 | #define IDE_ALT_START (14 << DB1300_IDE_REG_SHIFT) |
| 400 | static struct resource db1300_ide_res[] = { |
| 401 | [0] = { |
| 402 | .start = DB1300_IDE_PHYS_ADDR, |
| 403 | .end = DB1300_IDE_PHYS_ADDR + IDE_ALT_START - 1, |
| 404 | .flags = IORESOURCE_MEM, |
| 405 | }, |
| 406 | [1] = { |
| 407 | .start = DB1300_IDE_PHYS_ADDR + IDE_ALT_START, |
| 408 | .end = DB1300_IDE_PHYS_ADDR + DB1300_IDE_PHYS_LEN - 1, |
| 409 | .flags = IORESOURCE_MEM, |
| 410 | }, |
| 411 | [2] = { |
| 412 | .start = DB1300_IDE_INT, |
| 413 | .end = DB1300_IDE_INT, |
| 414 | .flags = IORESOURCE_IRQ, |
| 415 | }, |
| 416 | }; |
| 417 | |
| 418 | static struct platform_device db1300_ide_dev = { |
| 419 | .dev = { |
| 420 | .platform_data = &db1300_ide_info, |
| 421 | }, |
| 422 | .name = "pata_platform", |
| 423 | .resource = db1300_ide_res, |
| 424 | .num_resources = ARRAY_SIZE(db1300_ide_res), |
| 425 | }; |
| 426 | |
| 427 | /**********************************************************************/ |
| 428 | |
| 429 | static irqreturn_t db1300_mmc_cd(int irq, void *ptr) |
| 430 | { |
| 431 | void(*mmc_cd)(struct mmc_host *, unsigned long); |
| 432 | |
| 433 | /* disable the one currently screaming. No other way to shut it up */ |
| 434 | if (irq == DB1300_SD1_INSERT_INT) { |
| 435 | disable_irq_nosync(DB1300_SD1_INSERT_INT); |
| 436 | enable_irq(DB1300_SD1_EJECT_INT); |
| 437 | } else { |
| 438 | disable_irq_nosync(DB1300_SD1_EJECT_INT); |
| 439 | enable_irq(DB1300_SD1_INSERT_INT); |
| 440 | } |
| 441 | |
| 442 | /* link against CONFIG_MMC=m. We can only be called once MMC core has |
| 443 | * initialized the controller, so symbol_get() should always succeed. |
| 444 | */ |
| 445 | mmc_cd = symbol_get(mmc_detect_change); |
| 446 | mmc_cd(ptr, msecs_to_jiffies(500)); |
| 447 | symbol_put(mmc_detect_change); |
| 448 | |
| 449 | return IRQ_HANDLED; |
| 450 | } |
| 451 | |
| 452 | static int db1300_mmc_card_readonly(void *mmc_host) |
| 453 | { |
| 454 | /* it uses SD1 interface, but the DB1200's SD0 bit in the CPLD */ |
| 455 | return bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP; |
| 456 | } |
| 457 | |
| 458 | static int db1300_mmc_card_inserted(void *mmc_host) |
| 459 | { |
| 460 | return bcsr_read(BCSR_SIGSTAT) & (1 << 12); /* insertion irq signal */ |
| 461 | } |
| 462 | |
| 463 | static int db1300_mmc_cd_setup(void *mmc_host, int en) |
| 464 | { |
| 465 | int ret; |
| 466 | |
| 467 | if (en) { |
| 468 | ret = request_irq(DB1300_SD1_INSERT_INT, db1300_mmc_cd, 0, |
| 469 | "sd_insert", mmc_host); |
| 470 | if (ret) |
| 471 | goto out; |
| 472 | |
| 473 | ret = request_irq(DB1300_SD1_EJECT_INT, db1300_mmc_cd, 0, |
| 474 | "sd_eject", mmc_host); |
| 475 | if (ret) { |
| 476 | free_irq(DB1300_SD1_INSERT_INT, mmc_host); |
| 477 | goto out; |
| 478 | } |
| 479 | |
| 480 | if (db1300_mmc_card_inserted(mmc_host)) |
| 481 | enable_irq(DB1300_SD1_EJECT_INT); |
| 482 | else |
| 483 | enable_irq(DB1300_SD1_INSERT_INT); |
| 484 | |
| 485 | } else { |
| 486 | free_irq(DB1300_SD1_INSERT_INT, mmc_host); |
| 487 | free_irq(DB1300_SD1_EJECT_INT, mmc_host); |
| 488 | } |
| 489 | ret = 0; |
| 490 | out: |
| 491 | return ret; |
| 492 | } |
| 493 | |
| 494 | static void db1300_mmcled_set(struct led_classdev *led, |
| 495 | enum led_brightness brightness) |
| 496 | { |
| 497 | if (brightness != LED_OFF) |
| 498 | bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0); |
| 499 | else |
| 500 | bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0); |
| 501 | } |
| 502 | |
| 503 | static struct led_classdev db1300_mmc_led = { |
| 504 | .brightness_set = db1300_mmcled_set, |
| 505 | }; |
| 506 | |
| 507 | struct au1xmmc_platform_data db1300_sd1_platdata = { |
| 508 | .cd_setup = db1300_mmc_cd_setup, |
| 509 | .card_inserted = db1300_mmc_card_inserted, |
| 510 | .card_readonly = db1300_mmc_card_readonly, |
| 511 | .led = &db1300_mmc_led, |
| 512 | }; |
| 513 | |
| 514 | static struct resource au1300_sd1_res[] = { |
| 515 | [0] = { |
| 516 | .start = AU1300_SD1_PHYS_ADDR, |
| 517 | .end = AU1300_SD1_PHYS_ADDR, |
| 518 | .flags = IORESOURCE_MEM, |
| 519 | }, |
| 520 | [1] = { |
| 521 | .start = AU1300_SD1_INT, |
| 522 | .end = AU1300_SD1_INT, |
| 523 | .flags = IORESOURCE_IRQ, |
| 524 | }, |
| 525 | [2] = { |
| 526 | .start = AU1300_DSCR_CMD0_SDMS_TX1, |
| 527 | .end = AU1300_DSCR_CMD0_SDMS_TX1, |
| 528 | .flags = IORESOURCE_DMA, |
| 529 | }, |
| 530 | [3] = { |
| 531 | .start = AU1300_DSCR_CMD0_SDMS_RX1, |
| 532 | .end = AU1300_DSCR_CMD0_SDMS_RX1, |
| 533 | .flags = IORESOURCE_DMA, |
| 534 | }, |
| 535 | }; |
| 536 | |
| 537 | static struct platform_device db1300_sd1_dev = { |
| 538 | .dev = { |
| 539 | .platform_data = &db1300_sd1_platdata, |
| 540 | }, |
| 541 | .name = "au1xxx-mmc", |
| 542 | .id = 1, |
| 543 | .resource = au1300_sd1_res, |
| 544 | .num_resources = ARRAY_SIZE(au1300_sd1_res), |
| 545 | }; |
| 546 | |
| 547 | /**********************************************************************/ |
| 548 | |
| 549 | static int db1300_movinand_inserted(void *mmc_host) |
| 550 | { |
| 551 | return 0; /* disable for now, it doesn't work yet */ |
| 552 | } |
| 553 | |
| 554 | static int db1300_movinand_readonly(void *mmc_host) |
| 555 | { |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | static void db1300_movinand_led_set(struct led_classdev *led, |
| 560 | enum led_brightness brightness) |
| 561 | { |
| 562 | if (brightness != LED_OFF) |
| 563 | bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED1, 0); |
| 564 | else |
| 565 | bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED1); |
| 566 | } |
| 567 | |
| 568 | static struct led_classdev db1300_movinand_led = { |
| 569 | .brightness_set = db1300_movinand_led_set, |
| 570 | }; |
| 571 | |
| 572 | struct au1xmmc_platform_data db1300_sd0_platdata = { |
| 573 | .card_inserted = db1300_movinand_inserted, |
| 574 | .card_readonly = db1300_movinand_readonly, |
| 575 | .led = &db1300_movinand_led, |
| 576 | .mask_host_caps = MMC_CAP_NEEDS_POLL, |
| 577 | }; |
| 578 | |
| 579 | static struct resource au1300_sd0_res[] = { |
| 580 | [0] = { |
| 581 | .start = AU1100_SD0_PHYS_ADDR, |
| 582 | .end = AU1100_SD0_PHYS_ADDR, |
| 583 | .flags = IORESOURCE_MEM, |
| 584 | }, |
| 585 | [1] = { |
| 586 | .start = AU1300_SD0_INT, |
| 587 | .end = AU1300_SD0_INT, |
| 588 | .flags = IORESOURCE_IRQ, |
| 589 | }, |
| 590 | [2] = { |
| 591 | .start = AU1300_DSCR_CMD0_SDMS_TX0, |
| 592 | .end = AU1300_DSCR_CMD0_SDMS_TX0, |
| 593 | .flags = IORESOURCE_DMA, |
| 594 | }, |
| 595 | [3] = { |
| 596 | .start = AU1300_DSCR_CMD0_SDMS_RX0, |
| 597 | .end = AU1300_DSCR_CMD0_SDMS_RX0, |
| 598 | .flags = IORESOURCE_DMA, |
| 599 | }, |
| 600 | }; |
| 601 | |
| 602 | static struct platform_device db1300_sd0_dev = { |
| 603 | .dev = { |
| 604 | .platform_data = &db1300_sd0_platdata, |
| 605 | }, |
| 606 | .name = "au1xxx-mmc", |
| 607 | .id = 0, |
| 608 | .resource = au1300_sd0_res, |
| 609 | .num_resources = ARRAY_SIZE(au1300_sd0_res), |
| 610 | }; |
| 611 | |
| 612 | /**********************************************************************/ |
| 613 | |
| 614 | static struct platform_device db1300_wm9715_dev = { |
| 615 | .name = "wm9712-codec", |
| 616 | .id = 1, /* ID of PSC for AC97 audio, see asoc glue! */ |
| 617 | }; |
| 618 | |
| 619 | static struct platform_device db1300_ac97dma_dev = { |
| 620 | .name = "au1xpsc-pcm", |
| 621 | .id = 1, /* PSC ID */ |
| 622 | }; |
| 623 | |
| 624 | static struct platform_device db1300_i2sdma_dev = { |
| 625 | .name = "au1xpsc-pcm", |
| 626 | .id = 2, /* PSC ID */ |
| 627 | }; |
| 628 | |
| 629 | static struct platform_device db1300_sndac97_dev = { |
| 630 | .name = "db1300-ac97", |
| 631 | }; |
| 632 | |
| 633 | static struct platform_device db1300_sndi2s_dev = { |
| 634 | .name = "db1300-i2s", |
| 635 | }; |
| 636 | |
| 637 | /**********************************************************************/ |
| 638 | |
| 639 | static struct resource au1300_lcd_res[] = { |
| 640 | [0] = { |
| 641 | .start = AU1200_LCD_PHYS_ADDR, |
| 642 | .end = AU1200_LCD_PHYS_ADDR + 0x800 - 1, |
| 643 | .flags = IORESOURCE_MEM, |
| 644 | }, |
| 645 | [1] = { |
| 646 | .start = AU1300_LCD_INT, |
| 647 | .end = AU1300_LCD_INT, |
| 648 | .flags = IORESOURCE_IRQ, |
| 649 | } |
| 650 | }; |
| 651 | |
| 652 | static u64 au1300_lcd_dmamask = DMA_BIT_MASK(32); |
| 653 | |
| 654 | static struct platform_device db1300_lcd_dev = { |
| 655 | .name = "au1200-lcd", |
| 656 | .id = 0, |
| 657 | .dev = { |
| 658 | .dma_mask = &au1300_lcd_dmamask, |
| 659 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 660 | }, |
| 661 | .num_resources = ARRAY_SIZE(au1300_lcd_res), |
| 662 | .resource = au1300_lcd_res, |
| 663 | }; |
| 664 | |
| 665 | /**********************************************************************/ |
| 666 | |
| 667 | static struct platform_device *db1300_dev[] __initdata = { |
| 668 | &db1300_eth_dev, |
| 669 | &db1300_i2c_dev, |
| 670 | &db1300_5waysw_dev, |
| 671 | &db1300_rtc_dev, |
| 672 | &db1300_nand_dev, |
| 673 | &db1300_ide_dev, |
| 674 | &db1300_sd0_dev, |
| 675 | &db1300_sd1_dev, |
| 676 | &db1300_lcd_dev, |
| 677 | &db1300_ac97_dev, |
| 678 | &db1300_i2s_dev, |
| 679 | &db1300_wm9715_dev, |
| 680 | &db1300_ac97dma_dev, |
| 681 | &db1300_i2sdma_dev, |
| 682 | &db1300_sndac97_dev, |
| 683 | &db1300_sndi2s_dev, |
| 684 | }; |
| 685 | |
| 686 | static int __init db1300_device_init(void) |
| 687 | { |
| 688 | int swapped, cpldirq; |
| 689 | |
| 690 | /* setup CPLD IRQ muxer */ |
| 691 | cpldirq = au1300_gpio_to_irq(AU1300_PIN_EXTCLK1); |
| 692 | irq_set_irq_type(cpldirq, IRQ_TYPE_LEVEL_HIGH); |
| 693 | bcsr_init_irq(DB1300_FIRST_INT, DB1300_LAST_INT, cpldirq); |
| 694 | |
| 695 | /* insert/eject IRQs: one always triggers so don't enable them |
| 696 | * when doing request_irq() on them. DB1200 has this bug too. |
| 697 | */ |
| 698 | irq_set_status_flags(DB1300_SD1_INSERT_INT, IRQ_NOAUTOEN); |
| 699 | irq_set_status_flags(DB1300_SD1_EJECT_INT, IRQ_NOAUTOEN); |
| 700 | irq_set_status_flags(DB1300_CF_INSERT_INT, IRQ_NOAUTOEN); |
| 701 | irq_set_status_flags(DB1300_CF_EJECT_INT, IRQ_NOAUTOEN); |
| 702 | |
| 703 | /* |
| 704 | * setup board |
| 705 | */ |
| 706 | prom_get_ethernet_addr(&db1300_eth_config.mac[0]); |
| 707 | |
| 708 | i2c_register_board_info(0, db1300_i2c_devs, |
| 709 | ARRAY_SIZE(db1300_i2c_devs)); |
| 710 | |
| 711 | /* Audio PSC clock is supplied by codecs (PSC1, 2) */ |
| 712 | __raw_writel(PSC_SEL_CLK_SERCLK, |
| 713 | (void __iomem *)KSEG1ADDR(AU1300_PSC1_PHYS_ADDR) + PSC_SEL_OFFSET); |
| 714 | wmb(); |
| 715 | __raw_writel(PSC_SEL_CLK_SERCLK, |
| 716 | (void __iomem *)KSEG1ADDR(AU1300_PSC2_PHYS_ADDR) + PSC_SEL_OFFSET); |
| 717 | wmb(); |
| 718 | /* I2C uses internal 48MHz EXTCLK1 */ |
| 719 | __raw_writel(PSC_SEL_CLK_INTCLK, |
| 720 | (void __iomem *)KSEG1ADDR(AU1300_PSC3_PHYS_ADDR) + PSC_SEL_OFFSET); |
| 721 | wmb(); |
| 722 | |
| 723 | /* enable power to USB ports */ |
| 724 | bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_USBHPWR | BCSR_RESETS_OTGPWR); |
| 725 | |
| 726 | /* although it is socket #0, it uses the CPLD bits which previous boards |
| 727 | * have used for socket #1. |
| 728 | */ |
| 729 | db1x_register_pcmcia_socket( |
| 730 | AU1000_PCMCIA_ATTR_PHYS_ADDR, |
| 731 | AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x00400000 - 1, |
| 732 | AU1000_PCMCIA_MEM_PHYS_ADDR, |
| 733 | AU1000_PCMCIA_MEM_PHYS_ADDR + 0x00400000 - 1, |
| 734 | AU1000_PCMCIA_IO_PHYS_ADDR, |
| 735 | AU1000_PCMCIA_IO_PHYS_ADDR + 0x00010000 - 1, |
| 736 | DB1300_CF_INT, DB1300_CF_INSERT_INT, 0, DB1300_CF_EJECT_INT, 1); |
| 737 | |
| 738 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT; |
| 739 | db1x_register_norflash(64 << 20, 2, swapped); |
| 740 | |
| 741 | return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev)); |
| 742 | } |
| 743 | device_initcall(db1300_device_init); |
| 744 | |
| 745 | |
| 746 | void __init board_setup(void) |
| 747 | { |
| 748 | unsigned short whoami; |
| 749 | |
| 750 | db1300_gpio_config(); |
| 751 | bcsr_init(DB1300_BCSR_PHYS_ADDR, |
| 752 | DB1300_BCSR_PHYS_ADDR + DB1300_BCSR_HEXLED_OFS); |
| 753 | |
| 754 | whoami = bcsr_read(BCSR_WHOAMI); |
| 755 | printk(KERN_INFO "NetLogic DBAu1300 Development Platform.\n\t" |
| 756 | "BoardID %d CPLD Rev %d DaughtercardID %d\n", |
| 757 | BCSR_WHOAMI_BOARD(whoami), BCSR_WHOAMI_CPLD(whoami), |
| 758 | BCSR_WHOAMI_DCID(whoami)); |
| 759 | |
| 760 | /* enable UARTs, YAMON only enables #2 */ |
| 761 | alchemy_uart_enable(AU1300_UART0_PHYS_ADDR); |
| 762 | alchemy_uart_enable(AU1300_UART1_PHYS_ADDR); |
| 763 | alchemy_uart_enable(AU1300_UART3_PHYS_ADDR); |
| 764 | } |
| 765 | |
| 766 | |
| 767 | /* au1200fb calls these: STERBT EINEN TRAGISCHEN TOD!!! */ |
| 768 | int board_au1200fb_panel(void) |
| 769 | { |
| 770 | return 9; /* DB1300_800x480 */ |
| 771 | } |
| 772 | |
| 773 | int board_au1200fb_panel_init(void) |
| 774 | { |
| 775 | /* Apply power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */ |
| 776 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD, |
| 777 | BCSR_BOARD_LCDBL); |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | int board_au1200fb_panel_shutdown(void) |
| 782 | { |
| 783 | /* Remove power (Vee/Vdd logic is inverted on Panel DB1300_800x480) */ |
| 784 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDBL, |
| 785 | BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD); |
| 786 | return 0; |
| 787 | } |