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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/blackfin/mach-bf527/boards/ezbrd.c
15112 views
1
/*
2
* Copyright 2004-2009 Analog Devices Inc.
3
* 2005 National ICT Australia (NICTA)
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* Aidan Williams <[email protected]>
5
*
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* Licensed under the GPL-2 or later.
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*/
8
9
#include <linux/device.h>
10
#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/spi/spi.h>
15
#include <linux/spi/flash.h>
16
17
#include <linux/i2c.h>
18
#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/usb/musb.h>
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#include <asm/dma.h>
22
#include <asm/bfin5xx_spi.h>
23
#include <asm/reboot.h>
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#include <asm/nand.h>
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#include <asm/portmux.h>
26
#include <asm/dpmc.h>
27
#include <linux/spi/ad7877.h>
28
29
/*
30
* Name the Board for the /proc/cpuinfo
31
*/
32
const char bfin_board_name[] = "ADI BF526-EZBRD";
33
34
/*
35
* Driver needs to know address, irq and flag pin.
36
*/
37
38
#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
39
static struct resource musb_resources[] = {
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[0] = {
41
.start = 0xffc03800,
42
.end = 0xffc03cff,
43
.flags = IORESOURCE_MEM,
44
},
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[1] = { /* general IRQ */
46
.start = IRQ_USB_INT0,
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.end = IRQ_USB_INT0,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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.name = "mc"
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},
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[2] = { /* DMA IRQ */
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.start = IRQ_USB_DMA,
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.end = IRQ_USB_DMA,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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.name = "dma"
56
},
57
};
58
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static struct musb_hdrc_config musb_config = {
60
.multipoint = 0,
61
.dyn_fifo = 0,
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.soft_con = 1,
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.dma = 1,
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.num_eps = 8,
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.dma_channels = 8,
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.gpio_vrsel = GPIO_PG13,
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/* Some custom boards need to be active low, just set it to "0"
68
* if it is the case.
69
*/
70
.gpio_vrsel_active = 1,
71
.clkin = 24, /* musb CLKIN in MHZ */
72
};
73
74
static struct musb_hdrc_platform_data musb_plat = {
75
#if defined(CONFIG_USB_MUSB_OTG)
76
.mode = MUSB_OTG,
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#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
78
.mode = MUSB_HOST,
79
#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
80
.mode = MUSB_PERIPHERAL,
81
#endif
82
.config = &musb_config,
83
};
84
85
static u64 musb_dmamask = ~(u32)0;
86
87
static struct platform_device musb_device = {
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.name = "musb-blackfin",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &musb_plat,
94
},
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.num_resources = ARRAY_SIZE(musb_resources),
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.resource = musb_resources,
97
};
98
#endif
99
100
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
101
static struct mtd_partition ezbrd_partitions[] = {
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{
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.name = "bootloader(nor)",
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.size = 0x40000,
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.offset = 0,
106
}, {
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.name = "linux kernel(nor)",
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.size = 0x1C0000,
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.offset = MTDPART_OFS_APPEND,
110
}, {
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.name = "file system(nor)",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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}
115
};
116
117
static struct physmap_flash_data ezbrd_flash_data = {
118
.width = 2,
119
.parts = ezbrd_partitions,
120
.nr_parts = ARRAY_SIZE(ezbrd_partitions),
121
};
122
123
static struct resource ezbrd_flash_resource = {
124
.start = 0x20000000,
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.end = 0x203fffff,
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.flags = IORESOURCE_MEM,
127
};
128
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static struct platform_device ezbrd_flash_device = {
130
.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &ezbrd_flash_data,
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},
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.num_resources = 1,
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.resource = &ezbrd_flash_resource,
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};
138
#endif
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#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
141
static struct mtd_partition partition_info[] = {
142
{
143
.name = "bootloader(nand)",
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.offset = 0,
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.size = 0x40000,
146
}, {
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.name = "linux kernel(nand)",
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.offset = MTDPART_OFS_APPEND,
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.size = 4 * 1024 * 1024,
150
},
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{
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.name = "file system(nand)",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
155
},
156
};
157
158
static struct bf5xx_nand_platform bf5xx_nand_platform = {
159
.data_width = NFC_NWIDTH_8,
160
.partitions = partition_info,
161
.nr_partitions = ARRAY_SIZE(partition_info),
162
.rd_dly = 3,
163
.wr_dly = 3,
164
};
165
166
static struct resource bf5xx_nand_resources[] = {
167
{
168
.start = NFC_CTL,
169
.end = NFC_DATA_RD + 2,
170
.flags = IORESOURCE_MEM,
171
},
172
{
173
.start = CH_NFC,
174
.end = CH_NFC,
175
.flags = IORESOURCE_IRQ,
176
},
177
};
178
179
static struct platform_device bf5xx_nand_device = {
180
.name = "bf5xx-nand",
181
.id = 0,
182
.num_resources = ARRAY_SIZE(bf5xx_nand_resources),
183
.resource = bf5xx_nand_resources,
184
.dev = {
185
.platform_data = &bf5xx_nand_platform,
186
},
187
};
188
#endif
189
190
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
191
static struct platform_device rtc_device = {
192
.name = "rtc-bfin",
193
.id = -1,
194
};
195
#endif
196
197
198
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
199
#include <linux/bfin_mac.h>
200
static const unsigned short bfin_mac_peripherals[] = P_RMII0;
201
202
static struct bfin_phydev_platform_data bfin_phydev_data[] = {
203
{
204
.addr = 1,
205
.irq = IRQ_MAC_PHYINT,
206
},
207
};
208
209
static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
210
.phydev_number = 1,
211
.phydev_data = bfin_phydev_data,
212
.phy_mode = PHY_INTERFACE_MODE_RMII,
213
.mac_peripherals = bfin_mac_peripherals,
214
};
215
216
static struct platform_device bfin_mii_bus = {
217
.name = "bfin_mii_bus",
218
.dev = {
219
.platform_data = &bfin_mii_bus_data,
220
}
221
};
222
223
static struct platform_device bfin_mac_device = {
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.name = "bfin_mac",
225
.dev = {
226
.platform_data = &bfin_mii_bus,
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}
228
};
229
#endif
230
231
#if defined(CONFIG_MTD_M25P80) \
232
|| defined(CONFIG_MTD_M25P80_MODULE)
233
static struct mtd_partition bfin_spi_flash_partitions[] = {
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{
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.name = "bootloader(spi)",
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.size = 0x00040000,
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.offset = 0,
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.mask_flags = MTD_CAP_ROM
239
}, {
240
.name = "linux kernel(spi)",
241
.size = MTDPART_SIZ_FULL,
242
.offset = MTDPART_OFS_APPEND,
243
}
244
};
245
246
static struct flash_platform_data bfin_spi_flash_data = {
247
.name = "m25p80",
248
.parts = bfin_spi_flash_partitions,
249
.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
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.type = "sst25wf040",
251
};
252
253
/* SPI flash chip (sst25wf040) */
254
static struct bfin5xx_spi_chip spi_flash_chip_info = {
255
.enable_dma = 0, /* use dma transfer with this chip*/
256
.bits_per_word = 8,
257
};
258
#endif
259
260
#if defined(CONFIG_BFIN_SPI_ADC) \
261
|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
262
/* SPI ADC chip */
263
static struct bfin5xx_spi_chip spi_adc_chip_info = {
264
.enable_dma = 1, /* use dma transfer with this chip*/
265
.bits_per_word = 16,
266
};
267
#endif
268
269
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
270
static struct bfin5xx_spi_chip mmc_spi_chip_info = {
271
.enable_dma = 0,
272
.bits_per_word = 8,
273
};
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#endif
275
276
#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
277
static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
278
.enable_dma = 0,
279
.bits_per_word = 16,
280
};
281
282
static const struct ad7877_platform_data bfin_ad7877_ts_info = {
283
.model = 7877,
284
.vref_delay_usecs = 50, /* internal, no capacitor */
285
.x_plate_ohms = 419,
286
.y_plate_ohms = 486,
287
.pressure_max = 1000,
288
.pressure_min = 0,
289
.stopacq_polarity = 1,
290
.first_conversion_delay = 3,
291
.acquisition_time = 1,
292
.averaging = 1,
293
.pen_down_acc_interval = 1,
294
};
295
#endif
296
297
#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
298
#include <linux/spi/ad7879.h>
299
static const struct ad7879_platform_data bfin_ad7879_ts_info = {
300
.model = 7879, /* Model = AD7879 */
301
.x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
302
.pressure_max = 10000,
303
.pressure_min = 0,
304
.first_conversion_delay = 3, /* wait 512us before do a first conversion */
305
.acquisition_time = 1, /* 4us acquisition time per sample */
306
.median = 2, /* do 8 measurements */
307
.averaging = 1, /* take the average of 4 middle samples */
308
.pen_down_acc_interval = 255, /* 9.4 ms */
309
.gpio_export = 1, /* Export GPIO to gpiolib */
310
.gpio_base = -1, /* Dynamic allocation */
311
};
312
#endif
313
314
#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
315
static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
316
.enable_dma = 0,
317
.bits_per_word = 16,
318
};
319
#endif
320
321
#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
322
&& defined(CONFIG_SND_SOC_WM8731_SPI)
323
static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
324
.enable_dma = 0,
325
.bits_per_word = 16,
326
};
327
#endif
328
329
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
330
static struct bfin5xx_spi_chip spidev_chip_info = {
331
.enable_dma = 0,
332
.bits_per_word = 8,
333
};
334
#endif
335
336
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
337
static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
338
.enable_dma = 0,
339
.bits_per_word = 8,
340
};
341
#endif
342
343
static struct spi_board_info bfin_spi_board_info[] __initdata = {
344
#if defined(CONFIG_MTD_M25P80) \
345
|| defined(CONFIG_MTD_M25P80_MODULE)
346
{
347
/* the modalias must be the same as spi device driver name */
348
.modalias = "m25p80", /* Name of spi_driver for this device */
349
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
350
.bus_num = 0, /* Framework bus number */
351
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
352
.platform_data = &bfin_spi_flash_data,
353
.controller_data = &spi_flash_chip_info,
354
.mode = SPI_MODE_3,
355
},
356
#endif
357
358
#if defined(CONFIG_BFIN_SPI_ADC) \
359
|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
360
{
361
.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
362
.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
363
.bus_num = 0, /* Framework bus number */
364
.chip_select = 1, /* Framework chip select. */
365
.platform_data = NULL, /* No spi_driver specific config */
366
.controller_data = &spi_adc_chip_info,
367
},
368
#endif
369
370
#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
371
{
372
.modalias = "mmc_spi",
373
.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
374
.bus_num = 0,
375
.chip_select = 5,
376
.controller_data = &mmc_spi_chip_info,
377
.mode = SPI_MODE_3,
378
},
379
#endif
380
#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
381
{
382
.modalias = "ad7877",
383
.platform_data = &bfin_ad7877_ts_info,
384
.irq = IRQ_PF8,
385
.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
386
.bus_num = 0,
387
.chip_select = 2,
388
.controller_data = &spi_ad7877_chip_info,
389
},
390
#endif
391
#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
392
{
393
.modalias = "ad7879",
394
.platform_data = &bfin_ad7879_ts_info,
395
.irq = IRQ_PG0,
396
.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
397
.bus_num = 0,
398
.chip_select = 5,
399
.controller_data = &spi_ad7879_chip_info,
400
.mode = SPI_CPHA | SPI_CPOL,
401
},
402
#endif
403
#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
404
&& defined(CONFIG_SND_SOC_WM8731_SPI)
405
{
406
.modalias = "wm8731",
407
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
408
.bus_num = 0,
409
.chip_select = 5,
410
.controller_data = &spi_wm8731_chip_info,
411
.mode = SPI_MODE_0,
412
},
413
#endif
414
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
415
{
416
.modalias = "spidev",
417
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
418
.bus_num = 0,
419
.chip_select = 1,
420
.controller_data = &spidev_chip_info,
421
},
422
#endif
423
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
424
{
425
.modalias = "bfin-lq035q1-spi",
426
.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
427
.bus_num = 0,
428
.chip_select = 1,
429
.controller_data = &lq035q1_spi_chip_info,
430
.mode = SPI_CPHA | SPI_CPOL,
431
},
432
#endif
433
};
434
435
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
436
/* SPI controller data */
437
static struct bfin5xx_spi_master bfin_spi0_info = {
438
.num_chipselect = 8,
439
.enable_dma = 1, /* master has the ability to do dma transfer */
440
.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
441
};
442
443
/* SPI (0) */
444
static struct resource bfin_spi0_resource[] = {
445
[0] = {
446
.start = SPI0_REGBASE,
447
.end = SPI0_REGBASE + 0xFF,
448
.flags = IORESOURCE_MEM,
449
},
450
[1] = {
451
.start = CH_SPI,
452
.end = CH_SPI,
453
.flags = IORESOURCE_DMA,
454
},
455
[2] = {
456
.start = IRQ_SPI,
457
.end = IRQ_SPI,
458
.flags = IORESOURCE_IRQ,
459
},
460
};
461
462
static struct platform_device bfin_spi0_device = {
463
.name = "bfin-spi",
464
.id = 0, /* Bus number */
465
.num_resources = ARRAY_SIZE(bfin_spi0_resource),
466
.resource = bfin_spi0_resource,
467
.dev = {
468
.platform_data = &bfin_spi0_info, /* Passed to driver */
469
},
470
};
471
#endif /* spi master and devices */
472
473
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
474
#ifdef CONFIG_SERIAL_BFIN_UART0
475
static struct resource bfin_uart0_resources[] = {
476
{
477
.start = UART0_THR,
478
.end = UART0_GCTL+2,
479
.flags = IORESOURCE_MEM,
480
},
481
{
482
.start = IRQ_UART0_RX,
483
.end = IRQ_UART0_RX+1,
484
.flags = IORESOURCE_IRQ,
485
},
486
{
487
.start = IRQ_UART0_ERROR,
488
.end = IRQ_UART0_ERROR,
489
.flags = IORESOURCE_IRQ,
490
},
491
{
492
.start = CH_UART0_TX,
493
.end = CH_UART0_TX,
494
.flags = IORESOURCE_DMA,
495
},
496
{
497
.start = CH_UART0_RX,
498
.end = CH_UART0_RX,
499
.flags = IORESOURCE_DMA,
500
},
501
};
502
503
static unsigned short bfin_uart0_peripherals[] = {
504
P_UART0_TX, P_UART0_RX, 0
505
};
506
507
static struct platform_device bfin_uart0_device = {
508
.name = "bfin-uart",
509
.id = 0,
510
.num_resources = ARRAY_SIZE(bfin_uart0_resources),
511
.resource = bfin_uart0_resources,
512
.dev = {
513
.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
514
},
515
};
516
#endif
517
#ifdef CONFIG_SERIAL_BFIN_UART1
518
static struct resource bfin_uart1_resources[] = {
519
{
520
.start = UART1_THR,
521
.end = UART1_GCTL+2,
522
.flags = IORESOURCE_MEM,
523
},
524
{
525
.start = IRQ_UART1_RX,
526
.end = IRQ_UART1_RX+1,
527
.flags = IORESOURCE_IRQ,
528
},
529
{
530
.start = IRQ_UART1_ERROR,
531
.end = IRQ_UART1_ERROR,
532
.flags = IORESOURCE_IRQ,
533
},
534
{
535
.start = CH_UART1_TX,
536
.end = CH_UART1_TX,
537
.flags = IORESOURCE_DMA,
538
},
539
{
540
.start = CH_UART1_RX,
541
.end = CH_UART1_RX,
542
.flags = IORESOURCE_DMA,
543
},
544
#ifdef CONFIG_BFIN_UART1_CTSRTS
545
{ /* CTS pin */
546
.start = GPIO_PG0,
547
.end = GPIO_PG0,
548
.flags = IORESOURCE_IO,
549
},
550
{ /* RTS pin */
551
.start = GPIO_PF10,
552
.end = GPIO_PF10,
553
.flags = IORESOURCE_IO,
554
},
555
#endif
556
};
557
558
static unsigned short bfin_uart1_peripherals[] = {
559
P_UART1_TX, P_UART1_RX, 0
560
};
561
562
static struct platform_device bfin_uart1_device = {
563
.name = "bfin-uart",
564
.id = 1,
565
.num_resources = ARRAY_SIZE(bfin_uart1_resources),
566
.resource = bfin_uart1_resources,
567
.dev = {
568
.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
569
},
570
};
571
#endif
572
#endif
573
574
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
575
#ifdef CONFIG_BFIN_SIR0
576
static struct resource bfin_sir0_resources[] = {
577
{
578
.start = 0xFFC00400,
579
.end = 0xFFC004FF,
580
.flags = IORESOURCE_MEM,
581
},
582
{
583
.start = IRQ_UART0_RX,
584
.end = IRQ_UART0_RX+1,
585
.flags = IORESOURCE_IRQ,
586
},
587
{
588
.start = CH_UART0_RX,
589
.end = CH_UART0_RX+1,
590
.flags = IORESOURCE_DMA,
591
},
592
};
593
594
static struct platform_device bfin_sir0_device = {
595
.name = "bfin_sir",
596
.id = 0,
597
.num_resources = ARRAY_SIZE(bfin_sir0_resources),
598
.resource = bfin_sir0_resources,
599
};
600
#endif
601
#ifdef CONFIG_BFIN_SIR1
602
static struct resource bfin_sir1_resources[] = {
603
{
604
.start = 0xFFC02000,
605
.end = 0xFFC020FF,
606
.flags = IORESOURCE_MEM,
607
},
608
{
609
.start = IRQ_UART1_RX,
610
.end = IRQ_UART1_RX+1,
611
.flags = IORESOURCE_IRQ,
612
},
613
{
614
.start = CH_UART1_RX,
615
.end = CH_UART1_RX+1,
616
.flags = IORESOURCE_DMA,
617
},
618
};
619
620
static struct platform_device bfin_sir1_device = {
621
.name = "bfin_sir",
622
.id = 1,
623
.num_resources = ARRAY_SIZE(bfin_sir1_resources),
624
.resource = bfin_sir1_resources,
625
};
626
#endif
627
#endif
628
629
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
630
static struct resource bfin_twi0_resource[] = {
631
[0] = {
632
.start = TWI0_REGBASE,
633
.end = TWI0_REGBASE,
634
.flags = IORESOURCE_MEM,
635
},
636
[1] = {
637
.start = IRQ_TWI,
638
.end = IRQ_TWI,
639
.flags = IORESOURCE_IRQ,
640
},
641
};
642
643
static struct platform_device i2c_bfin_twi_device = {
644
.name = "i2c-bfin-twi",
645
.id = 0,
646
.num_resources = ARRAY_SIZE(bfin_twi0_resource),
647
.resource = bfin_twi0_resource,
648
};
649
#endif
650
651
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
652
#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
653
{
654
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
655
},
656
#endif
657
#if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
658
{
659
I2C_BOARD_INFO("pcf8574_keypad", 0x27),
660
.irq = IRQ_PF8,
661
},
662
#endif
663
};
664
665
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
666
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
667
static struct resource bfin_sport0_uart_resources[] = {
668
{
669
.start = SPORT0_TCR1,
670
.end = SPORT0_MRCS3+4,
671
.flags = IORESOURCE_MEM,
672
},
673
{
674
.start = IRQ_SPORT0_RX,
675
.end = IRQ_SPORT0_RX+1,
676
.flags = IORESOURCE_IRQ,
677
},
678
{
679
.start = IRQ_SPORT0_ERROR,
680
.end = IRQ_SPORT0_ERROR,
681
.flags = IORESOURCE_IRQ,
682
},
683
};
684
685
static unsigned short bfin_sport0_peripherals[] = {
686
P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
687
P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
688
};
689
690
static struct platform_device bfin_sport0_uart_device = {
691
.name = "bfin-sport-uart",
692
.id = 0,
693
.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
694
.resource = bfin_sport0_uart_resources,
695
.dev = {
696
.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
697
},
698
};
699
#endif
700
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
701
static struct resource bfin_sport1_uart_resources[] = {
702
{
703
.start = SPORT1_TCR1,
704
.end = SPORT1_MRCS3+4,
705
.flags = IORESOURCE_MEM,
706
},
707
{
708
.start = IRQ_SPORT1_RX,
709
.end = IRQ_SPORT1_RX+1,
710
.flags = IORESOURCE_IRQ,
711
},
712
{
713
.start = IRQ_SPORT1_ERROR,
714
.end = IRQ_SPORT1_ERROR,
715
.flags = IORESOURCE_IRQ,
716
},
717
};
718
719
static unsigned short bfin_sport1_peripherals[] = {
720
P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
721
P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
722
};
723
724
static struct platform_device bfin_sport1_uart_device = {
725
.name = "bfin-sport-uart",
726
.id = 1,
727
.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
728
.resource = bfin_sport1_uart_resources,
729
.dev = {
730
.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
731
},
732
};
733
#endif
734
#endif
735
736
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
737
#include <linux/input.h>
738
#include <linux/gpio_keys.h>
739
740
static struct gpio_keys_button bfin_gpio_keys_table[] = {
741
{BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
742
{BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
743
};
744
745
static struct gpio_keys_platform_data bfin_gpio_keys_data = {
746
.buttons = bfin_gpio_keys_table,
747
.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
748
};
749
750
static struct platform_device bfin_device_gpiokeys = {
751
.name = "gpio-keys",
752
.dev = {
753
.platform_data = &bfin_gpio_keys_data,
754
},
755
};
756
#endif
757
758
static const unsigned int cclk_vlev_datasheet[] =
759
{
760
VRPAIR(VLEV_100, 400000000),
761
VRPAIR(VLEV_105, 426000000),
762
VRPAIR(VLEV_110, 500000000),
763
VRPAIR(VLEV_115, 533000000),
764
VRPAIR(VLEV_120, 600000000),
765
};
766
767
static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
768
.tuple_tab = cclk_vlev_datasheet,
769
.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
770
.vr_settling_time = 25 /* us */,
771
};
772
773
static struct platform_device bfin_dpmc = {
774
.name = "bfin dpmc",
775
.dev = {
776
.platform_data = &bfin_dmpc_vreg_data,
777
},
778
};
779
780
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
781
#include <asm/bfin-lq035q1.h>
782
783
static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
784
.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
785
.ppi_mode = USE_RGB565_16_BIT_PPI,
786
.use_bl = 1,
787
.gpio_bl = GPIO_PG12,
788
};
789
790
static struct resource bfin_lq035q1_resources[] = {
791
{
792
.start = IRQ_PPI_ERROR,
793
.end = IRQ_PPI_ERROR,
794
.flags = IORESOURCE_IRQ,
795
},
796
};
797
798
static struct platform_device bfin_lq035q1_device = {
799
.name = "bfin-lq035q1",
800
.id = -1,
801
.num_resources = ARRAY_SIZE(bfin_lq035q1_resources),
802
.resource = bfin_lq035q1_resources,
803
.dev = {
804
.platform_data = &bfin_lq035q1_data,
805
},
806
};
807
#endif
808
809
static struct platform_device *stamp_devices[] __initdata = {
810
811
&bfin_dpmc,
812
813
#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
814
&bf5xx_nand_device,
815
#endif
816
817
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
818
&rtc_device,
819
#endif
820
821
#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
822
&musb_device,
823
#endif
824
825
#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
826
&bfin_mii_bus,
827
&bfin_mac_device,
828
#endif
829
830
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
831
&bfin_spi0_device,
832
#endif
833
834
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
835
#ifdef CONFIG_SERIAL_BFIN_UART0
836
&bfin_uart0_device,
837
#endif
838
#ifdef CONFIG_SERIAL_BFIN_UART1
839
&bfin_uart1_device,
840
#endif
841
#endif
842
843
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
844
&bfin_lq035q1_device,
845
#endif
846
847
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
848
#ifdef CONFIG_BFIN_SIR0
849
&bfin_sir0_device,
850
#endif
851
#ifdef CONFIG_BFIN_SIR1
852
&bfin_sir1_device,
853
#endif
854
#endif
855
856
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
857
&i2c_bfin_twi_device,
858
#endif
859
860
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
861
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
862
&bfin_sport0_uart_device,
863
#endif
864
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
865
&bfin_sport1_uart_device,
866
#endif
867
#endif
868
869
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
870
&bfin_device_gpiokeys,
871
#endif
872
873
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
874
&ezbrd_flash_device,
875
#endif
876
};
877
878
static int __init ezbrd_init(void)
879
{
880
printk(KERN_INFO "%s(): registering device resources\n", __func__);
881
i2c_register_board_info(0, bfin_i2c_board_info,
882
ARRAY_SIZE(bfin_i2c_board_info));
883
platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
884
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
885
return 0;
886
}
887
888
arch_initcall(ezbrd_init);
889
890
static struct platform_device *ezbrd_early_devices[] __initdata = {
891
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
892
#ifdef CONFIG_SERIAL_BFIN_UART0
893
&bfin_uart0_device,
894
#endif
895
#ifdef CONFIG_SERIAL_BFIN_UART1
896
&bfin_uart1_device,
897
#endif
898
#endif
899
900
#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
901
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
902
&bfin_sport0_uart_device,
903
#endif
904
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
905
&bfin_sport1_uart_device,
906
#endif
907
#endif
908
};
909
910
void __init native_machine_early_platform_add_devices(void)
911
{
912
printk(KERN_INFO "register early platform devices\n");
913
early_platform_add_devices(ezbrd_early_devices,
914
ARRAY_SIZE(ezbrd_early_devices));
915
}
916
917
void native_machine_restart(char *cmd)
918
{
919
/* workaround reboot hang when booting from SPI */
920
if ((bfin_read_SYSCR() & 0x7) == 0x3)
921
bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
922
}
923
924
void bfin_get_ether_addr(char *addr)
925
{
926
/* the MAC is stored in OTP memory page 0xDF */
927
u32 ret;
928
u64 otp_mac;
929
u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
930
931
ret = otp_read(0xDF, 0x00, &otp_mac);
932
if (!(ret & 0x1)) {
933
char *otp_mac_p = (char *)&otp_mac;
934
for (ret = 0; ret < 6; ++ret)
935
addr[ret] = otp_mac_p[5 - ret];
936
}
937
}
938
EXPORT_SYMBOL(bfin_get_ether_addr);
939
940