1
2
3
4
5
6
7
8
9#include <linux/device.h>
10#include <linux/platform_device.h>
11#include <linux/mtd/mtd.h>
12#include <linux/mtd/partitions.h>
13#include <linux/mtd/physmap.h>
14#include <linux/spi/spi.h>
15#include <linux/spi/flash.h>
16#include <linux/spi/mmc_spi.h>
17#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
18#include <linux/usb/isp1362.h>
19#endif
20#include <linux/irq.h>
21#include <linux/i2c.h>
22#include <asm/dma.h>
23#include <asm/bfin5xx_spi.h>
24#include <asm/reboot.h>
25#include <asm/portmux.h>
26#include <asm/dpmc.h>
27
28
29
30
31const char bfin_board_name[] = "ADI BF533-STAMP";
32
33#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
34static struct platform_device rtc_device = {
35 .name = "rtc-bfin",
36 .id = -1,
37};
38#endif
39
40
41
42
43#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44#include <linux/smc91x.h>
45
46static struct smc91x_platdata smc91x_info = {
47 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
48 .leda = RPC_LED_100_10,
49 .ledb = RPC_LED_TX_RX,
50};
51
52static struct resource smc91x_resources[] = {
53 {
54 .name = "smc91x-regs",
55 .start = 0x20300300,
56 .end = 0x20300300 + 16,
57 .flags = IORESOURCE_MEM,
58 }, {
59 .start = IRQ_PF7,
60 .end = IRQ_PF7,
61 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
62 },
63};
64
65static struct platform_device smc91x_device = {
66 .name = "smc91x",
67 .id = 0,
68 .num_resources = ARRAY_SIZE(smc91x_resources),
69 .resource = smc91x_resources,
70 .dev = {
71 .platform_data = &smc91x_info,
72 },
73};
74#endif
75
76#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
77static struct resource net2272_bfin_resources[] = {
78 {
79 .start = 0x20300000,
80 .end = 0x20300000 + 0x100,
81 .flags = IORESOURCE_MEM,
82 }, {
83 .start = IRQ_PF10,
84 .end = IRQ_PF10,
85 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
86 },
87};
88
89static struct platform_device net2272_bfin_device = {
90 .name = "net2272",
91 .id = -1,
92 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
93 .resource = net2272_bfin_resources,
94};
95#endif
96
97#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
98static struct mtd_partition stamp_partitions[] = {
99 {
100 .name = "bootloader(nor)",
101 .size = 0x40000,
102 .offset = 0,
103 }, {
104 .name = "linux kernel(nor)",
105 .size = 0x180000,
106 .offset = MTDPART_OFS_APPEND,
107 }, {
108 .name = "file system(nor)",
109 .size = MTDPART_SIZ_FULL,
110 .offset = MTDPART_OFS_APPEND,
111 }
112};
113
114static struct physmap_flash_data stamp_flash_data = {
115 .width = 2,
116 .parts = stamp_partitions,
117 .nr_parts = ARRAY_SIZE(stamp_partitions),
118};
119
120static struct resource stamp_flash_resource[] = {
121 {
122 .name = "cfi_probe",
123 .start = 0x20000000,
124 .end = 0x203fffff,
125 .flags = IORESOURCE_MEM,
126 }, {
127 .start = 0x7BB07BB0,
128 .end = 0x7BB07BB0,
129 .flags = IORESOURCE_MEM,
130 }, {
131 .start = GPIO_PF0,
132 .flags = IORESOURCE_IRQ,
133 }
134};
135
136static struct platform_device stamp_flash_device = {
137 .name = "bfin-async-flash",
138 .id = 0,
139 .dev = {
140 .platform_data = &stamp_flash_data,
141 },
142 .num_resources = ARRAY_SIZE(stamp_flash_resource),
143 .resource = stamp_flash_resource,
144};
145#endif
146
147#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
148static struct mtd_partition bfin_spi_flash_partitions[] = {
149 {
150 .name = "bootloader(spi)",
151 .size = 0x00040000,
152 .offset = 0,
153 .mask_flags = MTD_CAP_ROM
154 }, {
155 .name = "linux kernel(spi)",
156 .size = 0x180000,
157 .offset = MTDPART_OFS_APPEND,
158 }, {
159 .name = "file system(spi)",
160 .size = MTDPART_SIZ_FULL,
161 .offset = MTDPART_OFS_APPEND,
162 }
163};
164
165static struct flash_platform_data bfin_spi_flash_data = {
166 .name = "m25p80",
167 .parts = bfin_spi_flash_partitions,
168 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
169 .type = "m25p64",
170};
171
172
173static struct bfin5xx_spi_chip spi_flash_chip_info = {
174 .enable_dma = 0,
175 .bits_per_word = 8,
176};
177#endif
178
179#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
180
181static struct bfin5xx_spi_chip spi_adc_chip_info = {
182 .enable_dma = 1,
183 .bits_per_word = 16,
184};
185#endif
186
187#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
188static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
189 .enable_dma = 0,
190 .bits_per_word = 16,
191};
192#endif
193
194#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
195static struct bfin5xx_spi_chip spidev_chip_info = {
196 .enable_dma = 0,
197 .bits_per_word = 8,
198};
199#endif
200
201#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
202#define MMC_SPI_CARD_DETECT_INT IRQ_PF5
203static int bfin_mmc_spi_init(struct device *dev,
204 irqreturn_t (*detect_int)(int, void *), void *data)
205{
206 return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
207 IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
208 "mmc-spi-detect", data);
209}
210
211static void bfin_mmc_spi_exit(struct device *dev, void *data)
212{
213 free_irq(MMC_SPI_CARD_DETECT_INT, data);
214}
215
216static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
217 .init = bfin_mmc_spi_init,
218 .exit = bfin_mmc_spi_exit,
219 .detect_delay = 100,
220};
221
222static struct bfin5xx_spi_chip mmc_spi_chip_info = {
223 .enable_dma = 0,
224 .bits_per_word = 8,
225 .pio_interrupt = 0,
226};
227#endif
228
229static struct spi_board_info bfin_spi_board_info[] __initdata = {
230#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
231 {
232
233 .modalias = "m25p80",
234 .max_speed_hz = 25000000,
235 .bus_num = 0,
236 .chip_select = 2,
237 .platform_data = &bfin_spi_flash_data,
238 .controller_data = &spi_flash_chip_info,
239 .mode = SPI_MODE_3,
240 },
241#endif
242
243#if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
244 {
245 .modalias = "bfin_spi_adc",
246 .max_speed_hz = 6250000,
247 .bus_num = 0,
248 .chip_select = 1,
249 .platform_data = NULL,
250 .controller_data = &spi_adc_chip_info,
251 },
252#endif
253
254#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
255 {
256 .modalias = "ad1836",
257 .max_speed_hz = 3125000,
258 .bus_num = 0,
259 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
260 .controller_data = &ad1836_spi_chip_info,
261 },
262#endif
263
264#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
265 {
266 .modalias = "spidev",
267 .max_speed_hz = 3125000,
268 .bus_num = 0,
269 .chip_select = 1,
270 .controller_data = &spidev_chip_info,
271 },
272#endif
273#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
274 {
275 .modalias = "mmc_spi",
276 .max_speed_hz = 20000000,
277 .bus_num = 0,
278 .chip_select = 4,
279 .platform_data = &bfin_mmc_spi_pdata,
280 .controller_data = &mmc_spi_chip_info,
281 .mode = SPI_MODE_3,
282 },
283#endif
284};
285
286#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
287
288static struct resource bfin_spi0_resource[] = {
289 [0] = {
290 .start = SPI0_REGBASE,
291 .end = SPI0_REGBASE + 0xFF,
292 .flags = IORESOURCE_MEM,
293 },
294 [1] = {
295 .start = CH_SPI,
296 .end = CH_SPI,
297 .flags = IORESOURCE_DMA,
298 },
299 [2] = {
300 .start = IRQ_SPI,
301 .end = IRQ_SPI,
302 .flags = IORESOURCE_IRQ,
303 }
304};
305
306
307static struct bfin5xx_spi_master bfin_spi0_info = {
308 .num_chipselect = 8,
309 .enable_dma = 1,
310 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
311};
312
313static struct platform_device bfin_spi0_device = {
314 .name = "bfin-spi",
315 .id = 0,
316 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
317 .resource = bfin_spi0_resource,
318 .dev = {
319 .platform_data = &bfin_spi0_info,
320 },
321};
322#endif
323
324#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
325static struct platform_device bfin_fb_device = {
326 .name = "bf537-fb",
327};
328#endif
329
330#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
331static struct resource bfin_uart_resources[] = {
332 {
333 .start = 0xFFC00400,
334 .end = 0xFFC004FF,
335 .flags = IORESOURCE_MEM,
336 },
337};
338
339static struct platform_device bfin_uart_device = {
340 .name = "bfin-uart",
341 .id = 1,
342 .num_resources = ARRAY_SIZE(bfin_uart_resources),
343 .resource = bfin_uart_resources,
344};
345#endif
346
347#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
348#ifdef CONFIG_BFIN_SIR0
349static struct resource bfin_sir0_resources[] = {
350 {
351 .start = 0xFFC00400,
352 .end = 0xFFC004FF,
353 .flags = IORESOURCE_MEM,
354 },
355 {
356 .start = IRQ_UART0_RX,
357 .end = IRQ_UART0_RX+1,
358 .flags = IORESOURCE_IRQ,
359 },
360 {
361 .start = CH_UART0_RX,
362 .end = CH_UART0_RX+1,
363 .flags = IORESOURCE_DMA,
364 },
365};
366
367static struct platform_device bfin_sir0_device = {
368 .name = "bfin_sir",
369 .id = 0,
370 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
371 .resource = bfin_sir0_resources,
372};
373#endif
374#endif
375
376#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
377static struct platform_device bfin_sport0_uart_device = {
378 .name = "bfin-sport-uart",
379 .id = 0,
380};
381
382static struct platform_device bfin_sport1_uart_device = {
383 .name = "bfin-sport-uart",
384 .id = 1,
385};
386#endif
387
388#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
389#include <linux/input.h>
390#include <linux/gpio_keys.h>
391
392static struct gpio_keys_button bfin_gpio_keys_table[] = {
393 {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
394 {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
395 {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
396};
397
398static struct gpio_keys_platform_data bfin_gpio_keys_data = {
399 .buttons = bfin_gpio_keys_table,
400 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
401};
402
403static struct platform_device bfin_device_gpiokeys = {
404 .name = "gpio-keys",
405 .dev = {
406 .platform_data = &bfin_gpio_keys_data,
407 },
408};
409#endif
410
411#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
412#include <linux/i2c-gpio.h>
413
414static struct i2c_gpio_platform_data i2c_gpio_data = {
415 .sda_pin = 2,
416 .scl_pin = 3,
417 .sda_is_open_drain = 0,
418 .scl_is_open_drain = 0,
419 .udelay = 40,
420};
421
422static struct platform_device i2c_gpio_device = {
423 .name = "i2c-gpio",
424 .id = 0,
425 .dev = {
426 .platform_data = &i2c_gpio_data,
427 },
428};
429#endif
430
431static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
432#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
433 {
434 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
435 .irq = 39,
436 },
437#endif
438#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
439 {
440 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
441 },
442#endif
443#if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
444 {
445 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
446 .irq = 39,
447 },
448#endif
449#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
450 {
451 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
452 },
453#endif
454};
455
456static const unsigned int cclk_vlev_datasheet[] =
457{
458 VRPAIR(VLEV_085, 250000000),
459 VRPAIR(VLEV_090, 376000000),
460 VRPAIR(VLEV_095, 426000000),
461 VRPAIR(VLEV_100, 426000000),
462 VRPAIR(VLEV_105, 476000000),
463 VRPAIR(VLEV_110, 476000000),
464 VRPAIR(VLEV_115, 476000000),
465 VRPAIR(VLEV_120, 600000000),
466 VRPAIR(VLEV_125, 600000000),
467 VRPAIR(VLEV_130, 600000000),
468};
469
470static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
471 .tuple_tab = cclk_vlev_datasheet,
472 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
473 .vr_settling_time = 25 ,
474};
475
476static struct platform_device bfin_dpmc = {
477 .name = "bfin dpmc",
478 .dev = {
479 .platform_data = &bfin_dmpc_vreg_data,
480 },
481};
482
483static struct platform_device *stamp_devices[] __initdata = {
484
485 &bfin_dpmc,
486
487#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
488 &rtc_device,
489#endif
490
491#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
492 &smc91x_device,
493#endif
494
495#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
496 &net2272_bfin_device,
497#endif
498
499#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
500 &bfin_spi0_device,
501#endif
502
503#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
504 &bfin_uart_device,
505#endif
506
507#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
508#ifdef CONFIG_BFIN_SIR0
509 &bfin_sir0_device,
510#endif
511#endif
512
513#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
514 &bfin_sport0_uart_device,
515 &bfin_sport1_uart_device,
516#endif
517
518#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
519 &bfin_device_gpiokeys,
520#endif
521
522#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
523 &i2c_gpio_device,
524#endif
525
526#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
527 &stamp_flash_device,
528#endif
529};
530
531static int __init stamp_init(void)
532{
533 int ret;
534
535 printk(KERN_INFO "%s(): registering device resources\n", __func__);
536
537 i2c_register_board_info(0, bfin_i2c_board_info,
538 ARRAY_SIZE(bfin_i2c_board_info));
539
540 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
541 if (ret < 0)
542 return ret;
543
544#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
545
546 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
547 bfin_write_FIO_FLAG_S(PF0);
548 SSYNC();
549#endif
550
551 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
552 return 0;
553}
554
555arch_initcall(stamp_init);
556
557void native_machine_restart(char *cmd)
558{
559
560 bfin_write_FIO_INEN(~PF0);
561 bfin_write_FIO_DIR(PF0);
562 bfin_write_FIO_FLAG_C(PF0);
563}
564