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15#include <linux/device.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/mtd/physmap.h>
20#include <linux/spi/spi.h>
21#include <linux/spi/flash.h>
22#include <linux/irq.h>
23#include <linux/i2c.h>
24#include <asm/dma.h>
25#include <asm/bfin5xx_spi.h>
26#include <asm/portmux.h>
27#include <asm/dpmc.h>
28
29
30
31
32const char bfin_board_name[] = "BlackStamp";
33
34#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
35static struct platform_device rtc_device = {
36 .name = "rtc-bfin",
37 .id = -1,
38};
39#endif
40
41
42
43
44#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
45#include <linux/smc91x.h>
46
47static struct smc91x_platdata smc91x_info = {
48 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
49 .leda = RPC_LED_100_10,
50 .ledb = RPC_LED_TX_RX,
51};
52
53static struct resource smc91x_resources[] = {
54 {
55 .name = "smc91x-regs",
56 .start = 0x20300300,
57 .end = 0x20300300 + 16,
58 .flags = IORESOURCE_MEM,
59 }, {
60 .start = IRQ_PF3,
61 .end = IRQ_PF3,
62 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
63 },
64};
65
66static struct platform_device smc91x_device = {
67 .name = "smc91x",
68 .id = 0,
69 .num_resources = ARRAY_SIZE(smc91x_resources),
70 .resource = smc91x_resources,
71 .dev = {
72 .platform_data = &smc91x_info,
73 },
74};
75#endif
76
77#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
78static struct mtd_partition bfin_spi_flash_partitions[] = {
79 {
80 .name = "bootloader(spi)",
81 .size = 0x00040000,
82 .offset = 0,
83 .mask_flags = MTD_CAP_ROM
84 }, {
85 .name = "linux kernel(spi)",
86 .size = 0x180000,
87 .offset = MTDPART_OFS_APPEND,
88 }, {
89 .name = "file system(spi)",
90 .size = MTDPART_SIZ_FULL,
91 .offset = MTDPART_OFS_APPEND,
92 }
93};
94
95static struct flash_platform_data bfin_spi_flash_data = {
96 .name = "m25p80",
97 .parts = bfin_spi_flash_partitions,
98 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
99 .type = "m25p64",
100};
101
102
103static struct bfin5xx_spi_chip spi_flash_chip_info = {
104 .enable_dma = 0,
105};
106#endif
107
108#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
109static struct bfin5xx_spi_chip mmc_spi_chip_info = {
110 .enable_dma = 0,
111};
112#endif
113
114static struct spi_board_info bfin_spi_board_info[] __initdata = {
115#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
116 {
117
118 .modalias = "m25p80",
119 .max_speed_hz = 20000000,
120 .bus_num = 0,
121 .chip_select = 2,
122 .platform_data = &bfin_spi_flash_data,
123 .controller_data = &spi_flash_chip_info,
124 .mode = SPI_MODE_3,
125 },
126#endif
127
128#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
129 {
130 .modalias = "mmc_spi",
131 .max_speed_hz = 20000000,
132 .bus_num = 0,
133 .chip_select = 5,
134 .controller_data = &mmc_spi_chip_info,
135 .mode = SPI_MODE_3,
136 },
137#endif
138
139#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
140 {
141 .modalias = "spidev",
142 .max_speed_hz = 3125000,
143 .bus_num = 0,
144 .chip_select = 7,
145 },
146#endif
147};
148
149#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
150
151static struct resource bfin_spi0_resource[] = {
152 [0] = {
153 .start = SPI0_REGBASE,
154 .end = SPI0_REGBASE + 0xFF,
155 .flags = IORESOURCE_MEM,
156 },
157 [1] = {
158 .start = CH_SPI,
159 .end = CH_SPI,
160 .flags = IORESOURCE_DMA,
161 },
162 [2] = {
163 .start = IRQ_SPI,
164 .end = IRQ_SPI,
165 .flags = IORESOURCE_IRQ,
166 }
167};
168
169
170static struct bfin5xx_spi_master bfin_spi0_info = {
171 .num_chipselect = 8,
172 .enable_dma = 1,
173 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
174};
175
176static struct platform_device bfin_spi0_device = {
177 .name = "bfin-spi",
178 .id = 0,
179 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
180 .resource = bfin_spi0_resource,
181 .dev = {
182 .platform_data = &bfin_spi0_info,
183 },
184};
185#endif
186
187#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
188#ifdef CONFIG_SERIAL_BFIN_UART0
189static struct resource bfin_uart0_resources[] = {
190 {
191 .start = BFIN_UART_THR,
192 .end = BFIN_UART_GCTL+2,
193 .flags = IORESOURCE_MEM,
194 },
195 {
196 .start = IRQ_UART0_TX,
197 .end = IRQ_UART0_TX,
198 .flags = IORESOURCE_IRQ,
199 },
200 {
201 .start = IRQ_UART0_RX,
202 .end = IRQ_UART0_RX,
203 .flags = IORESOURCE_IRQ,
204 },
205 {
206 .start = IRQ_UART0_ERROR,
207 .end = IRQ_UART0_ERROR,
208 .flags = IORESOURCE_IRQ,
209 },
210 {
211 .start = CH_UART0_TX,
212 .end = CH_UART0_TX,
213 .flags = IORESOURCE_DMA,
214 },
215 {
216 .start = CH_UART0_RX,
217 .end = CH_UART0_RX,
218 .flags = IORESOURCE_DMA,
219 },
220};
221
222static unsigned short bfin_uart0_peripherals[] = {
223 P_UART0_TX, P_UART0_RX, 0
224};
225
226static struct platform_device bfin_uart0_device = {
227 .name = "bfin-uart",
228 .id = 0,
229 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
230 .resource = bfin_uart0_resources,
231 .dev = {
232 .platform_data = &bfin_uart0_peripherals,
233 },
234};
235#endif
236#endif
237
238#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
239#ifdef CONFIG_BFIN_SIR0
240static struct resource bfin_sir0_resources[] = {
241 {
242 .start = 0xFFC00400,
243 .end = 0xFFC004FF,
244 .flags = IORESOURCE_MEM,
245 },
246 {
247 .start = IRQ_UART0_RX,
248 .end = IRQ_UART0_RX+1,
249 .flags = IORESOURCE_IRQ,
250 },
251 {
252 .start = CH_UART0_RX,
253 .end = CH_UART0_RX+1,
254 .flags = IORESOURCE_DMA,
255 },
256};
257
258static struct platform_device bfin_sir0_device = {
259 .name = "bfin_sir",
260 .id = 0,
261 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
262 .resource = bfin_sir0_resources,
263};
264#endif
265#endif
266
267#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
268#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
269static struct resource bfin_sport0_uart_resources[] = {
270 {
271 .start = SPORT0_TCR1,
272 .end = SPORT0_MRCS3+4,
273 .flags = IORESOURCE_MEM,
274 },
275 {
276 .start = IRQ_SPORT0_RX,
277 .end = IRQ_SPORT0_RX+1,
278 .flags = IORESOURCE_IRQ,
279 },
280 {
281 .start = IRQ_SPORT0_ERROR,
282 .end = IRQ_SPORT0_ERROR,
283 .flags = IORESOURCE_IRQ,
284 },
285};
286
287static unsigned short bfin_sport0_peripherals[] = {
288 P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
289 P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
290};
291
292static struct platform_device bfin_sport0_uart_device = {
293 .name = "bfin-sport-uart",
294 .id = 0,
295 .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
296 .resource = bfin_sport0_uart_resources,
297 .dev = {
298 .platform_data = &bfin_sport0_peripherals,
299 },
300};
301#endif
302#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
303static struct resource bfin_sport1_uart_resources[] = {
304 {
305 .start = SPORT1_TCR1,
306 .end = SPORT1_MRCS3+4,
307 .flags = IORESOURCE_MEM,
308 },
309 {
310 .start = IRQ_SPORT1_RX,
311 .end = IRQ_SPORT1_RX+1,
312 .flags = IORESOURCE_IRQ,
313 },
314 {
315 .start = IRQ_SPORT1_ERROR,
316 .end = IRQ_SPORT1_ERROR,
317 .flags = IORESOURCE_IRQ,
318 },
319};
320
321static unsigned short bfin_sport1_peripherals[] = {
322 P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
323 P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
324};
325
326static struct platform_device bfin_sport1_uart_device = {
327 .name = "bfin-sport-uart",
328 .id = 1,
329 .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
330 .resource = bfin_sport1_uart_resources,
331 .dev = {
332 .platform_data = &bfin_sport1_peripherals,
333 },
334};
335#endif
336#endif
337
338#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
339#include <linux/input.h>
340#include <linux/gpio_keys.h>
341
342static struct gpio_keys_button bfin_gpio_keys_table[] = {
343 {BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"},
344 {BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"},
345 {BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"},
346};
347
348static struct gpio_keys_platform_data bfin_gpio_keys_data = {
349 .buttons = bfin_gpio_keys_table,
350 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
351};
352
353static struct platform_device bfin_device_gpiokeys = {
354 .name = "gpio-keys",
355 .dev = {
356 .platform_data = &bfin_gpio_keys_data,
357 },
358};
359#endif
360
361#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
362#include <linux/i2c-gpio.h>
363
364static struct i2c_gpio_platform_data i2c_gpio_data = {
365 .sda_pin = GPIO_PF8,
366 .scl_pin = GPIO_PF9,
367 .sda_is_open_drain = 0,
368 .scl_is_open_drain = 0,
369 .udelay = 40,
370};
371
372
373static struct platform_device i2c_gpio_device = {
374 .name = "i2c-gpio",
375 .id = 0,
376 .dev = {
377 .platform_data = &i2c_gpio_data,
378 },
379};
380#endif
381
382static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
383};
384
385static const unsigned int cclk_vlev_datasheet[] =
386{
387 VRPAIR(VLEV_085, 250000000),
388 VRPAIR(VLEV_090, 376000000),
389 VRPAIR(VLEV_095, 426000000),
390 VRPAIR(VLEV_100, 426000000),
391 VRPAIR(VLEV_105, 476000000),
392 VRPAIR(VLEV_110, 476000000),
393 VRPAIR(VLEV_115, 476000000),
394 VRPAIR(VLEV_120, 600000000),
395 VRPAIR(VLEV_125, 600000000),
396 VRPAIR(VLEV_130, 600000000),
397};
398
399static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
400 .tuple_tab = cclk_vlev_datasheet,
401 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
402 .vr_settling_time = 25 ,
403};
404
405static struct platform_device bfin_dpmc = {
406 .name = "bfin dpmc",
407 .dev = {
408 .platform_data = &bfin_dmpc_vreg_data,
409 },
410};
411
412static struct platform_device *stamp_devices[] __initdata = {
413
414 &bfin_dpmc,
415
416#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
417 &rtc_device,
418#endif
419
420#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
421 &smc91x_device,
422#endif
423
424
425#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
426 &bfin_spi0_device,
427#endif
428
429#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
430#ifdef CONFIG_SERIAL_BFIN_UART0
431 &bfin_uart0_device,
432#endif
433#endif
434
435#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
436#ifdef CONFIG_BFIN_SIR0
437 &bfin_sir0_device,
438#endif
439#endif
440
441#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
442#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
443 &bfin_sport0_uart_device,
444#endif
445#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
446 &bfin_sport1_uart_device,
447#endif
448#endif
449
450#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
451 &bfin_device_gpiokeys,
452#endif
453
454#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
455 &i2c_gpio_device,
456#endif
457};
458
459static int __init blackstamp_init(void)
460{
461 int ret;
462
463 printk(KERN_INFO "%s(): registering device resources\n", __func__);
464
465 i2c_register_board_info(0, bfin_i2c_board_info,
466 ARRAY_SIZE(bfin_i2c_board_info));
467
468 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
469 if (ret < 0)
470 return ret;
471
472#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
473
474
475
476
477
478 ret = gpio_request(GPIO_PF0, "enet_cpld");
479 if (!ret) {
480 gpio_direction_output(GPIO_PF0, 1);
481 gpio_free(GPIO_PF0);
482 }
483#endif
484
485 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
486 return 0;
487}
488
489arch_initcall(blackstamp_init);
490
491static struct platform_device *stamp_early_devices[] __initdata = {
492#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
493#ifdef CONFIG_SERIAL_BFIN_UART0
494 &bfin_uart0_device,
495#endif
496#endif
497
498#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
499#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
500 &bfin_sport0_uart_device,
501#endif
502#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
503 &bfin_sport1_uart_device,
504#endif
505#endif
506};
507
508void __init native_machine_early_platform_add_devices(void)
509{
510 printk(KERN_INFO "register early platform devices\n");
511 early_platform_add_devices(stamp_early_devices,
512 ARRAY_SIZE(stamp_early_devices));
513}
514
