summaryrefslogtreecommitdiffstats
path: root/arch/blackfin/mach-bf561/boards/acvilon.c
blob: 430b16d5ccb1124f6fd896d4c8651050695d9053 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
/*
 * File:         arch/blackfin/mach-bf561/acvilon.c
 * Based on:     arch/blackfin/mach-bf561/ezkit.c
 * Author:
 *
 * Created:
 * Description:
 *
 * Modified:
 *               Copyright 2004-2006 Analog Devices Inc.
 *               Copyright 2009 CJSC "NII STT"
 *
 * Bugs:
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *
 * For more information about Acvilon BF561 SoM please
 * go to http://www.niistt.ru/
 *
 */

#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/plat-ram.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/i2c-pca-platform.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <asm/dma.h>
#include <asm/bfin5xx_spi.h>
#include <asm/portmux.h>
#include <asm/dpmc.h>
#include <asm/cacheflush.h>
#include <linux/i2c.h>

/*
 * Name the Board for the /proc/cpuinfo
 */
const char bfin_board_name[] = "Acvilon board";

#if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
#include <linux/usb/isp1760.h>
static struct resource bfin_isp1760_resources[] = {
	[0] = {
	       .start = 0x20000000,
	       .end = 0x20000000 + 0x000fffff,
	       .flags = IORESOURCE_MEM,
	       },
	[1] = {
	       .start = IRQ_PF15,
	       .end = IRQ_PF15,
	       .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	       },
};

static struct isp1760_platform_data isp1760_priv = {
	.is_isp1761 = 0,
	.port1_disable = 0,
	.bus_width_16 = 1,
	.port1_otg = 0,
	.analog_oc = 0,
	.dack_polarity_high = 0,
	.dreq_polarity_high = 0,
};

static struct platform_device bfin_isp1760_device = {
	.name = "isp1760-hcd",
	.id = 0,
	.dev = {
		.platform_data = &isp1760_priv,
		},
	.num_resources = ARRAY_SIZE(bfin_isp1760_resources),
	.resource = bfin_isp1760_resources,
};
#endif

static struct resource bfin_i2c_pca_resources[] = {
	{
	 .name = "pca9564-regs",
	 .start = 0x2C000000,
	 .end = 0x2C000000 + 16,
	 .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
	 }, {

	     .start = IRQ_PF8,
	     .end = IRQ_PF8,
	     .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	     },
};

struct i2c_pca9564_pf_platform_data pca9564_platform_data = {
	.gpio = -1,
	.i2c_clock_speed = 330000,
	.timeout = HZ,
};

/* PCA9564 I2C Bus driver */
static struct platform_device bfin_i2c_pca_device = {
	.name = "i2c-pca-platform",
	.id = 0,
	.num_resources = ARRAY_SIZE(bfin_i2c_pca_resources),
	.resource = bfin_i2c_pca_resources,
	.dev = {
		.platform_data = &pca9564_platform_data,
		}
};

/* I2C devices fitted. */
static struct i2c_board_info acvilon_i2c_devs[] __initdata = {
	{
	 I2C_BOARD_INFO("ds1339", 0x68),
	 },
	{
	 I2C_BOARD_INFO("tcn75", 0x49),
	 },
};

#if IS_ENABLED(CONFIG_MTD_PLATRAM)
static struct platdata_mtd_ram mtd_ram_data = {
	.mapname = "rootfs(RAM)",
	.bankwidth = 4,
};

static struct resource mtd_ram_resource = {
	.start = 0x4000000,
	.end = 0x5ffffff,
	.flags = IORESOURCE_MEM,
};

static struct platform_device mtd_ram_device = {
	.name = "mtd-ram",
	.id = 0,
	.dev = {
		.platform_data = &mtd_ram_data,
		},
	.num_resources = 1,
	.resource = &mtd_ram_resource,
};
#endif

#if IS_ENABLED(CONFIG_SMSC911X)
#include <linux/smsc911x.h>
static struct resource smsc911x_resources[] = {
	{
	 .name = "smsc911x-memory",
	 .start = 0x28000000,
	 .end = 0x28000000 + 0xFF,
	 .flags = IORESOURCE_MEM,
	 },
	{
	 .start = IRQ_PF7,
	 .end = IRQ_PF7,
	 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	 },
};

static struct smsc911x_platform_config smsc911x_config = {
	.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
	.phy_interface = PHY_INTERFACE_MODE_MII,
};

static struct platform_device smsc911x_device = {
	.name = "smsc911x",
	.id = 0,
	.num_resources = ARRAY_SIZE(smsc911x_resources),
	.resource = smsc911x_resources,
	.dev = {
		.platform_data = &smsc911x_config,
		},
};
#endif

#if IS_ENABLED(CONFIG_SERIAL_BFIN)
#ifdef CONFIG_SERIAL_BFIN_UART0
static struct resource bfin_uart0_resources[] = {
	{
	 .start = BFIN_UART_THR,
	 .end = BFIN_UART_GCTL + 2,
	 .flags = IORESOURCE_MEM,
	 },
	{
	 .start = IRQ_UART_TX,
	 .end = IRQ_UART_TX,
	 .flags = IORESOURCE_IRQ,
	 },
	{
	 .start = IRQ_UART_RX,
	 .end = IRQ_UART_RX,
	 .flags = IORESOURCE_IRQ,
	 },
	{
	 .start = IRQ_UART_ERROR,
	 .end = IRQ_UART_ERROR,
	 .flags = IORESOURCE_IRQ,
	 },
	{
	 .start = CH_UART_TX,
	 .end = CH_UART_TX,
	 .flags = IORESOURCE_DMA,
	 },
	{
	 .start = CH_UART_RX,
	 .end = CH_UART_RX,
	 .flags = IORESOURCE_DMA,
	 },
};

static unsigned short bfin_uart0_peripherals[] = {
	P_UART0_TX, P_UART0_RX, 0
};

static struct platform_device bfin_uart0_device = {
	.name = "bfin-uart",
	.id = 0,
	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
	.resource = bfin_uart0_resources,
	.dev = {
		/* Passed to driver */
		.platform_data = &bfin_uart0_peripherals,
		},
};
#endif
#endif

#if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM)

static struct mtd_partition bfin_plat_nand_partitions[] = {
	{
	 .name = "params(nand)",
	 .size = 32 * 1024 * 1024,
	 .offset = 0,
	 }, {
	     .name = "userfs(nand)",
	     .size = MTDPART_SIZ_FULL,
	     .offset = MTDPART_OFS_APPEND,
	     },
};

#define BFIN_NAND_PLAT_CLE 2
#define BFIN_NAND_PLAT_ALE 3

static void bfin_plat_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
				    unsigned int ctrl)
{
	struct nand_chip *this = mtd->priv;

	if (cmd == NAND_CMD_NONE)
		return;

	if (ctrl & NAND_CLE)
		writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_CLE));
	else
		writeb(cmd, this->IO_ADDR_W + (1 << BFIN_NAND_PLAT_ALE));
}

#define BFIN_NAND_PLAT_READY GPIO_PF10
static int bfin_plat_nand_dev_ready(struct mtd_info *mtd)
{
	return gpio_get_value(BFIN_NAND_PLAT_READY);
}

static struct platform_nand_data bfin_plat_nand_data = {
	.chip = {
		 .nr_chips = 1,
		 .chip_delay = 30,
		 .partitions = bfin_plat_nand_partitions,
		 .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions),
		 },
	.ctrl = {
		 .cmd_ctrl = bfin_plat_nand_cmd_ctrl,
		 .dev_ready = bfin_plat_nand_dev_ready,
		 },
};

#define MAX(x, y) (x > y ? x : y)
static struct resource bfin_plat_nand_resources = {
	.start = 0x24000000,
	.end = 0x24000000 + (1 << MAX(BFIN_NAND_PLAT_CLE, BFIN_NAND_PLAT_ALE)),
	.flags = IORESOURCE_MEM,
};

static struct platform_device bfin_async_nand_device = {
	.name = "gen_nand",
	.id = -1,
	.num_resources = 1,
	.resource = &bfin_plat_nand_resources,
	.dev = {
		.platform_data = &bfin_plat_nand_data,
		},
};

static void bfin_plat_nand_init(void)
{
	gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
}
#else
static void bfin_plat_nand_init(void)
{
}
#endif

#if IS_ENABLED(CONFIG_MTD_DATAFLASH)
static struct mtd_partition bfin_spi_dataflash_partitions[] = {
	{
	 .name = "bootloader",
	 .size = 0x4200,
	 .offset = 0,
	 .mask_flags = MTD_CAP_ROM},
	{
	 .name = "u-boot",
	 .size = 0x42000,
	 .offset = MTDPART_OFS_APPEND,
	 },
	{
	 .name = "u-boot(params)",
	 .size = 0x4200,
	 .offset = MTDPART_OFS_APPEND,
	 },
	{
	 .name = "kernel",
	 .size = 0x294000,
	 .offset = MTDPART_OFS_APPEND,
	 },
	{
	 .name = "params",
	 .size = 0x42000,
	 .offset = MTDPART_OFS_APPEND,
	 },
	{
	 .name = "rootfs",
	 .size = MTDPART_SIZ_FULL,
	 .offset = MTDPART_OFS_APPEND,
	 }
};

static struct flash_platform_data bfin_spi_dataflash_data = {
	.name = "SPI Dataflash",
	.parts = bfin_spi_dataflash_partitions,
	.nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
};

/* DataFlash chip */
static struct bfin5xx_spi_chip data_flash_chip_info = {
	.enable_dma = 0,	/* use dma transfer with this chip */
};
#endif

#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
/* SPI (0) */
static struct resource bfin_spi0_resource[] = {
	[0] = {
	       .start = SPI0_REGBASE,
	       .end = SPI0_REGBASE + 0xFF,
	       .flags = IORESOURCE_MEM,
	       },
	[1] = {
	       .start = CH_SPI,
	       .end = CH_SPI,
	       .flags = IORESOURCE_DMA,
	       },
	[2] = {
	       .start = IRQ_SPI,
	       .end = IRQ_SPI,
	       .flags = IORESOURCE_IRQ,
	       },
};

/* SPI controller data */
static struct bfin5xx_spi_master bfin_spi0_info = {
	.num_chipselect = 8,
	.enable_dma = 1,	/* master has the ability to do dma transfer */
	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
};

static struct platform_device bfin_spi0_device = {
	.name = "bfin-spi",
	.id = 0,		/* Bus number */
	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
	.resource = bfin_spi0_resource,
	.dev = {
		.platform_data = &bfin_spi0_info,	/* Passed to driver */
		},
};
#endif

static struct spi_board_info bfin_spi_board_info[] __initdata = {
#if IS_ENABLED(CONFIG_SPI_SPIDEV)
	{
	 .modalias = "spidev",
	 .max_speed_hz = 3125000,	/* max spi clock (SCK) speed in HZ */
	 .bus_num = 0,
	 .chip_select = 3,
	 },
#endif
#if IS_ENABLED(CONFIG_MTD_DATAFLASH)
	{			/* DataFlash chip */
	 .modalias = "mtd_dataflash",
	 .max_speed_hz = 33250000,	/* max spi clock (SCK) speed in HZ */
	 .bus_num = 0,		/* Framework bus number */
	 .chip_select = 2,	/* Framework chip select */
	 .platform_data = &bfin_spi_dataflash_data,
	 .controller_data = &data_flash_chip_info,
	 .mode = SPI_MODE_3,
	 },
#endif
};

static struct resource bfin_gpios_resources = {
	.start = 31,
/*      .end   = MAX_BLACKFIN_GPIOS - 1, */
	.end = 32,
	.flags = IORESOURCE_IRQ,
};

static struct platform_device bfin_gpios_device = {
	.name = "simple-gpio",
	.id = -1,
	.num_resources = 1,
	.resource = &bfin_gpios_resources,
};

static const unsigned int cclk_vlev_datasheet[] = {
	VRPAIR(VLEV_085, 250000000),
	VRPAIR(VLEV_090, 300000000),
	VRPAIR(VLEV_095, 313000000),
	VRPAIR(VLEV_100, 350000000),
	VRPAIR(VLEV_105, 400000000),
	VRPAIR(VLEV_110, 444000000),
	VRPAIR(VLEV_115, 450000000),
	VRPAIR(VLEV_120, 475000000),
	VRPAIR(VLEV_125, 500000000),
	VRPAIR(VLEV_130, 600000000),
};

static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
	.tuple_tab = cclk_vlev_datasheet,
	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
	.vr_settling_time = 25 /* us */ ,
};

static struct platform_device bfin_dpmc = {
	.name = "bfin dpmc",
	.dev = {
		.platform_data = &bfin_dmpc_vreg_data,
		},
};

static struct platform_device *acvilon_devices[] __initdata = {
	&bfin_dpmc,

#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
	&bfin_spi0_device,
#endif

#if IS_ENABLED(CONFIG_SERIAL_BFIN)
#ifdef CONFIG_SERIAL_BFIN_UART0
	&bfin_uart0_device,
#endif
#endif

	&bfin_gpios_device,

#if IS_ENABLED(CONFIG_SMSC911X)
	&smsc911x_device,
#endif

	&bfin_i2c_pca_device,

#if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM)
	&bfin_async_nand_device,
#endif

#if IS_ENABLED(CONFIG_MTD_PLATRAM)
	&mtd_ram_device,
#endif

};

static int __init acvilon_init(void)
{
	int ret;

	printk(KERN_INFO "%s(): registering device resources\n", __func__);

	bfin_plat_nand_init();
	ret =
	    platform_add_devices(acvilon_devices, ARRAY_SIZE(acvilon_devices));
	if (ret < 0)
		return ret;

	i2c_register_board_info(0, acvilon_i2c_devs,
				ARRAY_SIZE(acvilon_i2c_devs));

	bfin_write_FIO0_FLAG_C(1 << 14);
	msleep(5);
	bfin_write_FIO0_FLAG_S(1 << 14);

	spi_register_board_info(bfin_spi_board_info,
				ARRAY_SIZE(bfin_spi_board_info));
	return 0;
}

arch_initcall(acvilon_init);

static struct platform_device *acvilon_early_devices[] __initdata = {
#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
#ifdef CONFIG_SERIAL_BFIN_UART0
	&bfin_uart0_device,
#endif
#endif
};

void __init native_machine_early_platform_add_devices(void)
{
	printk(KERN_INFO "register early platform devices\n");
	early_platform_add_devices(acvilon_early_devices,
				   ARRAY_SIZE(acvilon_early_devices));
}