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1 /*
2  * Copyright 2004-2009 Analog Devices Inc.
3  *               2008-2009 Bluetechnix
4  *               2005 National ICT Australia (NICTA)
5  *                    Aidan Williams <aidan@nicta.com.au>
6  *
7  * Licensed under the GPL-2 or later.
8  */
9 
10 #include <linux/device.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/spi/spi.h>
15 #include <linux/spi/flash.h>
16 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
17 #include <linux/usb/isp1362.h>
18 #endif
19 #include <linux/ata_platform.h>
20 #include <linux/irq.h>
21 #include <asm/dma.h>
22 #include <asm/bfin5xx_spi.h>
23 #include <asm/portmux.h>
24 #include <asm/dpmc.h>
25 #include <linux/mtd/physmap.h>
26 
27 /*
28  * Name the Board for the /proc/cpuinfo
29  */
30 const char bfin_board_name[] = "Bluetechnix CM BF561";
31 
32 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
33 /* all SPI peripherals info goes here */
34 
35 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
36 static struct mtd_partition bfin_spi_flash_partitions[] = {
37 	{
38 		.name = "bootloader(spi)",
39 		.size = 0x00020000,
40 		.offset = 0,
41 		.mask_flags = MTD_CAP_ROM
42 	}, {
43 		.name = "linux kernel(spi)",
44 		.size = 0xe0000,
45 		.offset = 0x20000
46 	}, {
47 		.name = "file system(spi)",
48 		.size = 0x700000,
49 		.offset = 0x00100000,
50 	}
51 };
52 
53 static struct flash_platform_data bfin_spi_flash_data = {
54 	.name = "m25p80",
55 	.parts = bfin_spi_flash_partitions,
56 	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
57 	.type = "m25p64",
58 };
59 
60 /* SPI flash chip (m25p64) */
61 static struct bfin5xx_spi_chip spi_flash_chip_info = {
62 	.enable_dma = 0,         /* use dma transfer with this chip*/
63 };
64 #endif
65 
66 static struct spi_board_info bfin_spi_board_info[] __initdata = {
67 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
68 	{
69 		/* the modalias must be the same as spi device driver name */
70 		.modalias = "m25p80", /* Name of spi_driver for this device */
71 		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
72 		.bus_num = 0, /* Framework bus number */
73 		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
74 		.platform_data = &bfin_spi_flash_data,
75 		.controller_data = &spi_flash_chip_info,
76 		.mode = SPI_MODE_3,
77 	},
78 #endif
79 
80 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
81 	{
82 		.modalias = "ad183x",
83 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
84 		.bus_num = 0,
85 		.chip_select = 4,
86 	},
87 #endif
88 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
89 	{
90 		.modalias = "mmc_spi",
91 		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
92 		.bus_num = 0,
93 		.chip_select = 1,
94 		.mode = SPI_MODE_3,
95 	},
96 #endif
97 };
98 
99 /* SPI (0) */
100 static struct resource bfin_spi0_resource[] = {
101 	[0] = {
102 		.start = SPI0_REGBASE,
103 		.end   = SPI0_REGBASE + 0xFF,
104 		.flags = IORESOURCE_MEM,
105 	},
106 	[1] = {
107 		.start = CH_SPI,
108 		.end   = CH_SPI,
109 		.flags = IORESOURCE_DMA,
110 	},
111 	[2] = {
112 		.start = IRQ_SPI,
113 		.end   = IRQ_SPI,
114 		.flags = IORESOURCE_IRQ,
115 	},
116 };
117 
118 /* SPI controller data */
119 static struct bfin5xx_spi_master bfin_spi0_info = {
120 	.num_chipselect = 8,
121 	.enable_dma = 1,  /* master has the ability to do dma transfer */
122 	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
123 };
124 
125 static struct platform_device bfin_spi0_device = {
126 	.name = "bfin-spi",
127 	.id = 0, /* Bus number */
128 	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
129 	.resource = bfin_spi0_resource,
130 	.dev = {
131 		.platform_data = &bfin_spi0_info, /* Passed to driver */
132 	},
133 };
134 #endif  /* spi master and devices */
135 
136 
137 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
138 static struct platform_device hitachi_fb_device = {
139 	.name = "hitachi-tx09",
140 };
141 #endif
142 
143 
144 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
145 #include <linux/smc91x.h>
146 
147 static struct smc91x_platdata smc91x_info = {
148 	.flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
149 	.leda = RPC_LED_100_10,
150 	.ledb = RPC_LED_TX_RX,
151 };
152 
153 static struct resource smc91x_resources[] = {
154 	{
155 		.name = "smc91x-regs",
156 		.start = 0x28000300,
157 		.end = 0x28000300 + 16,
158 		.flags = IORESOURCE_MEM,
159 	}, {
160 		.start = IRQ_PF0,
161 		.end = IRQ_PF0,
162 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
163 	},
164 };
165 static struct platform_device smc91x_device = {
166 	.name = "smc91x",
167 	.id = 0,
168 	.num_resources = ARRAY_SIZE(smc91x_resources),
169 	.resource = smc91x_resources,
170 	.dev	= {
171 		.platform_data	= &smc91x_info,
172 	},
173 };
174 #endif
175 
176 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
177 #include <linux/smsc911x.h>
178 
179 static struct resource smsc911x_resources[] = {
180 	{
181 		.name = "smsc911x-memory",
182 		.start = 0x24008000,
183 		.end = 0x24008000 + 0xFF,
184 		.flags = IORESOURCE_MEM,
185 	},
186 	{
187 		.start = IRQ_PF43,
188 		.end = IRQ_PF43,
189 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
190 	},
191 };
192 
193 static struct smsc911x_platform_config smsc911x_config = {
194 	.flags = SMSC911X_USE_16BIT,
195 	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
196 	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
197 	.phy_interface = PHY_INTERFACE_MODE_MII,
198 };
199 
200 static struct platform_device smsc911x_device = {
201 	.name = "smsc911x",
202 	.id = 0,
203 	.num_resources = ARRAY_SIZE(smsc911x_resources),
204 	.resource = smsc911x_resources,
205 	.dev = {
206 		.platform_data = &smsc911x_config,
207 	},
208 };
209 #endif
210 
211 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
212 static struct resource net2272_bfin_resources[] = {
213 	{
214 		.start = 0x24000000,
215 		.end = 0x24000000 + 0x100,
216 		.flags = IORESOURCE_MEM,
217 	}, {
218 		.start = IRQ_PF45,
219 		.end = IRQ_PF45,
220 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
221 	},
222 };
223 
224 static struct platform_device net2272_bfin_device = {
225 	.name = "net2272",
226 	.id = -1,
227 	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
228 	.resource = net2272_bfin_resources,
229 };
230 #endif
231 
232 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
233 static struct resource isp1362_hcd_resources[] = {
234 	{
235 		.start = 0x24008000,
236 		.end = 0x24008000,
237 		.flags = IORESOURCE_MEM,
238 	}, {
239 		.start = 0x24008004,
240 		.end = 0x24008004,
241 		.flags = IORESOURCE_MEM,
242 	}, {
243 		.start = IRQ_PF47,
244 		.end = IRQ_PF47,
245 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
246 	},
247 };
248 
249 static struct isp1362_platform_data isp1362_priv = {
250 	.sel15Kres = 1,
251 	.clknotstop = 0,
252 	.oc_enable = 0,
253 	.int_act_high = 0,
254 	.int_edge_triggered = 0,
255 	.remote_wakeup_connected = 0,
256 	.no_power_switching = 1,
257 	.power_switching_mode = 0,
258 };
259 
260 static struct platform_device isp1362_hcd_device = {
261 	.name = "isp1362-hcd",
262 	.id = 0,
263 	.dev = {
264 		.platform_data = &isp1362_priv,
265 	},
266 	.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
267 	.resource = isp1362_hcd_resources,
268 };
269 #endif
270 
271 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
272 #ifdef CONFIG_SERIAL_BFIN_UART0
273 static struct resource bfin_uart0_resources[] = {
274 	{
275 		.start = BFIN_UART_THR,
276 		.end = BFIN_UART_GCTL+2,
277 		.flags = IORESOURCE_MEM,
278 	},
279 	{
280 		.start = IRQ_UART_TX,
281 		.end = IRQ_UART_TX,
282 		.flags = IORESOURCE_IRQ,
283 	},
284 	{
285 		.start = IRQ_UART_RX,
286 		.end = IRQ_UART_RX,
287 		.flags = IORESOURCE_IRQ,
288 	},
289 	{
290 		.start = IRQ_UART_ERROR,
291 		.end = IRQ_UART_ERROR,
292 		.flags = IORESOURCE_IRQ,
293 	},
294 	{
295 		.start = CH_UART_TX,
296 		.end = CH_UART_TX,
297 		.flags = IORESOURCE_DMA,
298 	},
299 	{
300 		.start = CH_UART_RX,
301 		.end = CH_UART_RX,
302 		.flags = IORESOURCE_DMA,
303 	},
304 };
305 
306 static unsigned short bfin_uart0_peripherals[] = {
307 	P_UART0_TX, P_UART0_RX, 0
308 };
309 
310 static struct platform_device bfin_uart0_device = {
311 	.name = "bfin-uart",
312 	.id = 0,
313 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
314 	.resource = bfin_uart0_resources,
315 	.dev = {
316 		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
317 	},
318 };
319 #endif
320 #endif
321 
322 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
323 #ifdef CONFIG_BFIN_SIR0
324 static struct resource bfin_sir0_resources[] = {
325 	{
326 		.start = 0xFFC00400,
327 		.end = 0xFFC004FF,
328 		.flags = IORESOURCE_MEM,
329 	},
330 	{
331 		.start = IRQ_UART0_RX,
332 		.end = IRQ_UART0_RX+1,
333 		.flags = IORESOURCE_IRQ,
334 	},
335 	{
336 		.start = CH_UART0_RX,
337 		.end = CH_UART0_RX+1,
338 		.flags = IORESOURCE_DMA,
339 	},
340 };
341 
342 static struct platform_device bfin_sir0_device = {
343 	.name = "bfin_sir",
344 	.id = 0,
345 	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
346 	.resource = bfin_sir0_resources,
347 };
348 #endif
349 #endif
350 
351 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
352 #define PATA_INT	IRQ_PF46
353 
354 static struct pata_platform_info bfin_pata_platform_data = {
355 	.ioport_shift = 2,
356 	.irq_type = IRQF_TRIGGER_HIGH,
357 };
358 
359 static struct resource bfin_pata_resources[] = {
360 	{
361 		.start = 0x2400C000,
362 		.end = 0x2400C001F,
363 		.flags = IORESOURCE_MEM,
364 	},
365 	{
366 		.start = 0x2400D018,
367 		.end = 0x2400D01B,
368 		.flags = IORESOURCE_MEM,
369 	},
370 	{
371 		.start = PATA_INT,
372 		.end = PATA_INT,
373 		.flags = IORESOURCE_IRQ,
374 	},
375 };
376 
377 static struct platform_device bfin_pata_device = {
378 	.name = "pata_platform",
379 	.id = -1,
380 	.num_resources = ARRAY_SIZE(bfin_pata_resources),
381 	.resource = bfin_pata_resources,
382 	.dev = {
383 		.platform_data = &bfin_pata_platform_data,
384 	}
385 };
386 #endif
387 
388 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
389 static struct mtd_partition para_partitions[] = {
390 	{
391 		.name       = "bootloader(nor)",
392 		.size       = 0x40000,
393 		.offset     = 0,
394 	}, {
395 		.name       = "linux kernel(nor)",
396 		.size       = 0x100000,
397 		.offset     = MTDPART_OFS_APPEND,
398 	}, {
399 		.name       = "file system(nor)",
400 		.size       = MTDPART_SIZ_FULL,
401 		.offset     = MTDPART_OFS_APPEND,
402 	}
403 };
404 
405 static struct physmap_flash_data para_flash_data = {
406 	.width      = 2,
407 	.parts      = para_partitions,
408 	.nr_parts   = ARRAY_SIZE(para_partitions),
409 };
410 
411 static struct resource para_flash_resource = {
412 	.start = 0x20000000,
413 	.end   = 0x207fffff,
414 	.flags = IORESOURCE_MEM,
415 };
416 
417 static struct platform_device para_flash_device = {
418 	.name          = "physmap-flash",
419 	.id            = 0,
420 	.dev = {
421 		.platform_data = &para_flash_data,
422 	},
423 	.num_resources = 1,
424 	.resource      = &para_flash_resource,
425 };
426 #endif
427 
428 static const unsigned int cclk_vlev_datasheet[] =
429 {
430 	VRPAIR(VLEV_085, 250000000),
431 	VRPAIR(VLEV_090, 300000000),
432 	VRPAIR(VLEV_095, 313000000),
433 	VRPAIR(VLEV_100, 350000000),
434 	VRPAIR(VLEV_105, 400000000),
435 	VRPAIR(VLEV_110, 444000000),
436 	VRPAIR(VLEV_115, 450000000),
437 	VRPAIR(VLEV_120, 475000000),
438 	VRPAIR(VLEV_125, 500000000),
439 	VRPAIR(VLEV_130, 600000000),
440 };
441 
442 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
443 	.tuple_tab = cclk_vlev_datasheet,
444 	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
445 	.vr_settling_time = 25 /* us */,
446 };
447 
448 static struct platform_device bfin_dpmc = {
449 	.name = "bfin dpmc",
450 	.dev = {
451 		.platform_data = &bfin_dmpc_vreg_data,
452 	},
453 };
454 
455 static struct platform_device *cm_bf561_devices[] __initdata = {
456 
457 	&bfin_dpmc,
458 
459 #if defined(CONFIG_FB_HITACHI_TX09) || defined(CONFIG_FB_HITACHI_TX09_MODULE)
460 	&hitachi_fb_device,
461 #endif
462 
463 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
464 #ifdef CONFIG_SERIAL_BFIN_UART0
465 	&bfin_uart0_device,
466 #endif
467 #endif
468 
469 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
470 #ifdef CONFIG_BFIN_SIR0
471 	&bfin_sir0_device,
472 #endif
473 #endif
474 
475 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
476 	&isp1362_hcd_device,
477 #endif
478 
479 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
480 	&smc91x_device,
481 #endif
482 
483 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
484 	&smsc911x_device,
485 #endif
486 
487 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
488 	&net2272_bfin_device,
489 #endif
490 
491 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
492 	&bfin_spi0_device,
493 #endif
494 
495 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
496 	&bfin_pata_device,
497 #endif
498 
499 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
500 	&para_flash_device,
501 #endif
502 };
503 
net2272_init(void)504 static int __init net2272_init(void)
505 {
506 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
507 	int ret;
508 
509 	ret = gpio_request(GPIO_PF46, "net2272");
510 	if (ret)
511 		return ret;
512 
513 	/* Reset USB Chip, PF46 */
514 	gpio_direction_output(GPIO_PF46, 0);
515 	mdelay(2);
516 	gpio_set_value(GPIO_PF46, 1);
517 #endif
518 
519 	return 0;
520 }
521 
cm_bf561_init(void)522 static int __init cm_bf561_init(void)
523 {
524 	printk(KERN_INFO "%s(): registering device resources\n", __func__);
525 	platform_add_devices(cm_bf561_devices, ARRAY_SIZE(cm_bf561_devices));
526 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
527 	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
528 #endif
529 
530 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
531 	irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
532 #endif
533 
534 	if (net2272_init())
535 		pr_warning("unable to configure net2272; it probably won't work\n");
536 
537 	return 0;
538 }
539 
540 arch_initcall(cm_bf561_init);
541 
542 static struct platform_device *cm_bf561_early_devices[] __initdata = {
543 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
544 #ifdef CONFIG_SERIAL_BFIN_UART0
545 	&bfin_uart0_device,
546 #endif
547 #endif
548 };
549 
native_machine_early_platform_add_devices(void)550 void __init native_machine_early_platform_add_devices(void)
551 {
552 	printk(KERN_INFO "register early platform devices\n");
553 	early_platform_add_devices(cm_bf561_early_devices,
554 		ARRAY_SIZE(cm_bf561_early_devices));
555 }
556