1 /*
2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9 #include <linux/device.h>
10 #include <linux/etherdevice.h>
11 #include <linux/export.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/irq.h>
18 #include <asm/dma.h>
19 #include <asm/bfin5xx_spi.h>
20 #include <asm/portmux.h>
21
22 #include <linux/spi/ad7877.h>
23
24 /*
25 * Name the Board for the /proc/cpuinfo
26 */
27 const char bfin_board_name[] = "ADI PNAV-1.0";
28
29 /*
30 * Driver needs to know address, irq and flag pin.
31 */
32
33 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
34 static struct resource bfin_pcmcia_cf_resources[] = {
35 {
36 .start = 0x20310000, /* IO PORT */
37 .end = 0x20312000,
38 .flags = IORESOURCE_MEM,
39 }, {
40 .start = 0x20311000, /* Attribute Memory */
41 .end = 0x20311FFF,
42 .flags = IORESOURCE_MEM,
43 }, {
44 .start = IRQ_PF4,
45 .end = IRQ_PF4,
46 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
47 }, {
48 .start = 6, /* Card Detect PF6 */
49 .end = 6,
50 .flags = IORESOURCE_IRQ,
51 },
52 };
53
54 static struct platform_device bfin_pcmcia_cf_device = {
55 .name = "bfin_cf_pcmcia",
56 .id = -1,
57 .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
58 .resource = bfin_pcmcia_cf_resources,
59 };
60 #endif
61
62 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
63 static struct platform_device rtc_device = {
64 .name = "rtc-bfin",
65 .id = -1,
66 };
67 #endif
68
69 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
70 #include <linux/smc91x.h>
71
72 static struct smc91x_platdata smc91x_info = {
73 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
74 .leda = RPC_LED_100_10,
75 .ledb = RPC_LED_TX_RX,
76 };
77
78 static struct resource smc91x_resources[] = {
79 {
80 .name = "smc91x-regs",
81 .start = 0x20300300,
82 .end = 0x20300300 + 16,
83 .flags = IORESOURCE_MEM,
84 }, {
85
86 .start = IRQ_PF7,
87 .end = IRQ_PF7,
88 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
89 },
90 };
91 static struct platform_device smc91x_device = {
92 .name = "smc91x",
93 .id = 0,
94 .num_resources = ARRAY_SIZE(smc91x_resources),
95 .resource = smc91x_resources,
96 .dev = {
97 .platform_data = &smc91x_info,
98 },
99 };
100 #endif
101
102 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
103 #include <linux/bfin_mac.h>
104 #include <linux/export.h>
105 static const unsigned short bfin_mac_peripherals[] = P_RMII0;
106
107 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
108 {
109 .addr = 1,
110 .irq = IRQ_MAC_PHYINT,
111 },
112 };
113
114 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
115 .phydev_number = 1,
116 .phydev_data = bfin_phydev_data,
117 .phy_mode = PHY_INTERFACE_MODE_RMII,
118 .mac_peripherals = bfin_mac_peripherals,
119 };
120
121 static struct platform_device bfin_mii_bus = {
122 .name = "bfin_mii_bus",
123 .dev = {
124 .platform_data = &bfin_mii_bus_data,
125 }
126 };
127
128 static struct platform_device bfin_mac_device = {
129 .name = "bfin_mac",
130 .dev = {
131 .platform_data = &bfin_mii_bus,
132 }
133 };
134 #endif
135
136 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
137 static struct resource net2272_bfin_resources[] = {
138 {
139 .start = 0x20300000,
140 .end = 0x20300000 + 0x100,
141 .flags = IORESOURCE_MEM,
142 }, {
143 .start = IRQ_PF7,
144 .end = IRQ_PF7,
145 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
146 },
147 };
148
149 static struct platform_device net2272_bfin_device = {
150 .name = "net2272",
151 .id = -1,
152 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
153 .resource = net2272_bfin_resources,
154 };
155 #endif
156
157 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
158 /* all SPI peripherals info goes here */
159
160 #if defined(CONFIG_MTD_M25P80) \
161 || defined(CONFIG_MTD_M25P80_MODULE)
162 static struct mtd_partition bfin_spi_flash_partitions[] = {
163 {
164 .name = "bootloader(spi)",
165 .size = 0x00020000,
166 .offset = 0,
167 .mask_flags = MTD_CAP_ROM
168 }, {
169 .name = "linux kernel(spi)",
170 .size = 0xe0000,
171 .offset = 0x20000
172 }, {
173 .name = "file system(spi)",
174 .size = 0x700000,
175 .offset = 0x00100000,
176 }
177 };
178
179 static struct flash_platform_data bfin_spi_flash_data = {
180 .name = "m25p80",
181 .parts = bfin_spi_flash_partitions,
182 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
183 .type = "m25p64",
184 };
185
186 /* SPI flash chip (m25p64) */
187 static struct bfin5xx_spi_chip spi_flash_chip_info = {
188 .enable_dma = 0, /* use dma transfer with this chip*/
189 };
190 #endif
191
192 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
193 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
194 .enable_dma = 0,
195 };
196 #endif
197
198 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
199 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
200 .model = 7877,
201 .vref_delay_usecs = 50, /* internal, no capacitor */
202 .x_plate_ohms = 419,
203 .y_plate_ohms = 486,
204 .pressure_max = 1000,
205 .pressure_min = 0,
206 .stopacq_polarity = 1,
207 .first_conversion_delay = 3,
208 .acquisition_time = 1,
209 .averaging = 1,
210 .pen_down_acc_interval = 1,
211 };
212 #endif
213
214 static struct spi_board_info bfin_spi_board_info[] __initdata = {
215 #if defined(CONFIG_MTD_M25P80) \
216 || defined(CONFIG_MTD_M25P80_MODULE)
217 {
218 /* the modalias must be the same as spi device driver name */
219 .modalias = "m25p80", /* Name of spi_driver for this device */
220 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
221 .bus_num = 0, /* Framework bus number */
222 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
223 .platform_data = &bfin_spi_flash_data,
224 .controller_data = &spi_flash_chip_info,
225 .mode = SPI_MODE_3,
226 },
227 #endif
228
229 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
230 || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
231 {
232 .modalias = "ad183x",
233 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
234 .bus_num = 0,
235 .chip_select = 4,
236 },
237 #endif
238 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
239 {
240 .modalias = "mmc_spi",
241 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
242 .bus_num = 0,
243 .chip_select = 5,
244 .controller_data = &mmc_spi_chip_info,
245 .mode = SPI_MODE_3,
246 },
247 #endif
248 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
249 {
250 .modalias = "ad7877",
251 .platform_data = &bfin_ad7877_ts_info,
252 .irq = IRQ_PF2,
253 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
254 .bus_num = 0,
255 .chip_select = 5,
256 },
257 #endif
258
259 };
260
261 /* SPI (0) */
262 static struct resource bfin_spi0_resource[] = {
263 [0] = {
264 .start = SPI0_REGBASE,
265 .end = SPI0_REGBASE + 0xFF,
266 .flags = IORESOURCE_MEM,
267 },
268 [1] = {
269 .start = CH_SPI,
270 .end = CH_SPI,
271 .flags = IORESOURCE_DMA,
272 },
273 [2] = {
274 .start = IRQ_SPI,
275 .end = IRQ_SPI,
276 .flags = IORESOURCE_IRQ,
277 },
278 };
279
280 /* SPI controller data */
281 static struct bfin5xx_spi_master bfin_spi0_info = {
282 .num_chipselect = 8,
283 .enable_dma = 1, /* master has the ability to do dma transfer */
284 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
285 };
286
287 static struct platform_device bfin_spi0_device = {
288 .name = "bfin-spi",
289 .id = 0, /* Bus number */
290 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
291 .resource = bfin_spi0_resource,
292 .dev = {
293 .platform_data = &bfin_spi0_info, /* Passed to driver */
294 },
295 };
296 #endif /* spi master and devices */
297
298 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
299 static struct platform_device bfin_fb_device = {
300 .name = "bf537-lq035",
301 };
302 #endif
303
304 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
305 #ifdef CONFIG_SERIAL_BFIN_UART0
306 static struct resource bfin_uart0_resources[] = {
307 {
308 .start = UART0_THR,
309 .end = UART0_GCTL+2,
310 .flags = IORESOURCE_MEM,
311 },
312 {
313 .start = IRQ_UART0_TX,
314 .end = IRQ_UART0_TX,
315 .flags = IORESOURCE_IRQ,
316 },
317 {
318 .start = IRQ_UART0_RX,
319 .end = IRQ_UART0_RX,
320 .flags = IORESOURCE_IRQ,
321 },
322 {
323 .start = IRQ_UART0_ERROR,
324 .end = IRQ_UART0_ERROR,
325 .flags = IORESOURCE_IRQ,
326 },
327 {
328 .start = CH_UART0_TX,
329 .end = CH_UART0_TX,
330 .flags = IORESOURCE_DMA,
331 },
332 {
333 .start = CH_UART0_RX,
334 .end = CH_UART0_RX,
335 .flags = IORESOURCE_DMA,
336 },
337 };
338
339 static unsigned short bfin_uart0_peripherals[] = {
340 P_UART0_TX, P_UART0_RX, 0
341 };
342
343 static struct platform_device bfin_uart0_device = {
344 .name = "bfin-uart",
345 .id = 0,
346 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
347 .resource = bfin_uart0_resources,
348 .dev = {
349 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
350 },
351 };
352 #endif
353 #ifdef CONFIG_SERIAL_BFIN_UART1
354 static struct resource bfin_uart1_resources[] = {
355 {
356 .start = UART1_THR,
357 .end = UART1_GCTL+2,
358 .flags = IORESOURCE_MEM,
359 },
360 {
361 .start = IRQ_UART1_TX,
362 .end = IRQ_UART1_TX,
363 .flags = IORESOURCE_IRQ,
364 },
365 {
366 .start = IRQ_UART1_RX,
367 .end = IRQ_UART1_RX,
368 .flags = IORESOURCE_IRQ,
369 },
370 {
371 .start = IRQ_UART1_ERROR,
372 .end = IRQ_UART1_ERROR,
373 .flags = IORESOURCE_IRQ,
374 },
375 {
376 .start = CH_UART1_TX,
377 .end = CH_UART1_TX,
378 .flags = IORESOURCE_DMA,
379 },
380 {
381 .start = CH_UART1_RX,
382 .end = CH_UART1_RX,
383 .flags = IORESOURCE_DMA,
384 },
385 };
386
387 static unsigned short bfin_uart1_peripherals[] = {
388 P_UART1_TX, P_UART1_RX, 0
389 };
390
391 static struct platform_device bfin_uart1_device = {
392 .name = "bfin-uart",
393 .id = 1,
394 .num_resources = ARRAY_SIZE(bfin_uart1_resources),
395 .resource = bfin_uart1_resources,
396 .dev = {
397 .platform_data = &bfin_uart1_peripherals, /* Passed to driver */
398 },
399 };
400 #endif
401 #endif
402
403 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
404 #ifdef CONFIG_BFIN_SIR0
405 static struct resource bfin_sir0_resources[] = {
406 {
407 .start = 0xFFC00400,
408 .end = 0xFFC004FF,
409 .flags = IORESOURCE_MEM,
410 },
411 {
412 .start = IRQ_UART0_RX,
413 .end = IRQ_UART0_RX+1,
414 .flags = IORESOURCE_IRQ,
415 },
416 {
417 .start = CH_UART0_RX,
418 .end = CH_UART0_RX+1,
419 .flags = IORESOURCE_DMA,
420 },
421 };
422
423 static struct platform_device bfin_sir0_device = {
424 .name = "bfin_sir",
425 .id = 0,
426 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
427 .resource = bfin_sir0_resources,
428 };
429 #endif
430 #ifdef CONFIG_BFIN_SIR1
431 static struct resource bfin_sir1_resources[] = {
432 {
433 .start = 0xFFC02000,
434 .end = 0xFFC020FF,
435 .flags = IORESOURCE_MEM,
436 },
437 {
438 .start = IRQ_UART1_RX,
439 .end = IRQ_UART1_RX+1,
440 .flags = IORESOURCE_IRQ,
441 },
442 {
443 .start = CH_UART1_RX,
444 .end = CH_UART1_RX+1,
445 .flags = IORESOURCE_DMA,
446 },
447 };
448
449 static struct platform_device bfin_sir1_device = {
450 .name = "bfin_sir",
451 .id = 1,
452 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
453 .resource = bfin_sir1_resources,
454 };
455 #endif
456 #endif
457
458 static struct platform_device *stamp_devices[] __initdata = {
459 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
460 &bfin_pcmcia_cf_device,
461 #endif
462
463 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
464 &rtc_device,
465 #endif
466
467 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
468 &smc91x_device,
469 #endif
470
471 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
472 &bfin_mii_bus,
473 &bfin_mac_device,
474 #endif
475
476 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
477 &net2272_bfin_device,
478 #endif
479
480 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
481 &bfin_spi0_device,
482 #endif
483
484 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
485 &bfin_fb_device,
486 #endif
487
488 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
489 #ifdef CONFIG_SERIAL_BFIN_UART0
490 &bfin_uart0_device,
491 #endif
492 #ifdef CONFIG_SERIAL_BFIN_UART1
493 &bfin_uart1_device,
494 #endif
495 #endif
496
497 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
498 #ifdef CONFIG_BFIN_SIR0
499 &bfin_sir0_device,
500 #endif
501 #ifdef CONFIG_BFIN_SIR1
502 &bfin_sir1_device,
503 #endif
504 #endif
505 };
506
pnav_init(void)507 static int __init pnav_init(void)
508 {
509 printk(KERN_INFO "%s(): registering device resources\n", __func__);
510 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
511 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
512 spi_register_board_info(bfin_spi_board_info,
513 ARRAY_SIZE(bfin_spi_board_info));
514 #endif
515 return 0;
516 }
517
518 arch_initcall(pnav_init);
519
520 static struct platform_device *stamp_early_devices[] __initdata = {
521 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
522 #ifdef CONFIG_SERIAL_BFIN_UART0
523 &bfin_uart0_device,
524 #endif
525 #ifdef CONFIG_SERIAL_BFIN_UART1
526 &bfin_uart1_device,
527 #endif
528 #endif
529 };
530
native_machine_early_platform_add_devices(void)531 void __init native_machine_early_platform_add_devices(void)
532 {
533 printk(KERN_INFO "register early platform devices\n");
534 early_platform_add_devices(stamp_early_devices,
535 ARRAY_SIZE(stamp_early_devices));
536 }
537
bfin_get_ether_addr(char * addr)538 void bfin_get_ether_addr(char *addr)
539 {
540 random_ether_addr(addr);
541 printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
542 }
543 EXPORT_SYMBOL(bfin_get_ether_addr);
544