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 IS_ENABLED(CONFIG_USB_ISP1362_HCD)
17#include <linux/usb/isp1362.h>
18#endif
19#include <linux/ata_platform.h>
20#include <linux/irq.h>
21#include <linux/gpio.h>
22#include <asm/dma.h>
23#include <asm/bfin5xx_spi.h>
24#include <asm/portmux.h>
25#include <asm/dpmc.h>
26#include <linux/mtd/physmap.h>
27
28/*
29 * Name the Board for the /proc/cpuinfo
30 */
31const char bfin_board_name[] = "Bluetechnix CM BF561";
32
33#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
34/* all SPI peripherals info goes here */
35
36#if IS_ENABLED(CONFIG_MTD_M25P80)
37static struct mtd_partition bfin_spi_flash_partitions[] = {
38	{
39		.name = "bootloader(spi)",
40		.size = 0x00020000,
41		.offset = 0,
42		.mask_flags = MTD_CAP_ROM
43	}, {
44		.name = "linux kernel(spi)",
45		.size = 0xe0000,
46		.offset = 0x20000
47	}, {
48		.name = "file system(spi)",
49		.size = 0x700000,
50		.offset = 0x00100000,
51	}
52};
53
54static struct flash_platform_data bfin_spi_flash_data = {
55	.name = "m25p80",
56	.parts = bfin_spi_flash_partitions,
57	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
58	.type = "m25p64",
59};
60
61/* SPI flash chip (m25p64) */
62static struct bfin5xx_spi_chip spi_flash_chip_info = {
63	.enable_dma = 0,         /* use dma transfer with this chip*/
64};
65#endif
66
67static struct spi_board_info bfin_spi_board_info[] __initdata = {
68#if IS_ENABLED(CONFIG_MTD_M25P80)
69	{
70		/* the modalias must be the same as spi device driver name */
71		.modalias = "m25p80", /* Name of spi_driver for this device */
72		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
73		.bus_num = 0, /* Framework bus number */
74		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
75		.platform_data = &bfin_spi_flash_data,
76		.controller_data = &spi_flash_chip_info,
77		.mode = SPI_MODE_3,
78	},
79#endif
80
81#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
82	{
83		.modalias = "ad183x",
84		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
85		.bus_num = 0,
86		.chip_select = 4,
87	},
88#endif
89#if IS_ENABLED(CONFIG_MMC_SPI)
90	{
91		.modalias = "mmc_spi",
92		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
93		.bus_num = 0,
94		.chip_select = 1,
95		.mode = SPI_MODE_3,
96	},
97#endif
98};
99
100/* SPI (0) */
101static struct resource bfin_spi0_resource[] = {
102	[0] = {
103		.start = SPI0_REGBASE,
104		.end   = SPI0_REGBASE + 0xFF,
105		.flags = IORESOURCE_MEM,
106	},
107	[1] = {
108		.start = CH_SPI,
109		.end   = CH_SPI,
110		.flags = IORESOURCE_DMA,
111	},
112	[2] = {
113		.start = IRQ_SPI,
114		.end   = IRQ_SPI,
115		.flags = IORESOURCE_IRQ,
116	},
117};
118
119/* SPI controller data */
120static struct bfin5xx_spi_master bfin_spi0_info = {
121	.num_chipselect = 8,
122	.enable_dma = 1,  /* master has the ability to do dma transfer */
123	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
124};
125
126static struct platform_device bfin_spi0_device = {
127	.name = "bfin-spi",
128	.id = 0, /* Bus number */
129	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
130	.resource = bfin_spi0_resource,
131	.dev = {
132		.platform_data = &bfin_spi0_info, /* Passed to driver */
133	},
134};
135#endif  /* spi master and devices */
136
137
138#if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
139static struct platform_device hitachi_fb_device = {
140	.name = "hitachi-tx09",
141};
142#endif
143
144
145#if IS_ENABLED(CONFIG_SMC91X)
146#include <linux/smc91x.h>
147
148static struct smc91x_platdata smc91x_info = {
149	.flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
150	.leda = RPC_LED_100_10,
151	.ledb = RPC_LED_TX_RX,
152};
153
154static struct resource smc91x_resources[] = {
155	{
156		.name = "smc91x-regs",
157		.start = 0x28000300,
158		.end = 0x28000300 + 16,
159		.flags = IORESOURCE_MEM,
160	}, {
161		.start = IRQ_PF0,
162		.end = IRQ_PF0,
163		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
164	},
165};
166static struct platform_device smc91x_device = {
167	.name = "smc91x",
168	.id = 0,
169	.num_resources = ARRAY_SIZE(smc91x_resources),
170	.resource = smc91x_resources,
171	.dev	= {
172		.platform_data	= &smc91x_info,
173	},
174};
175#endif
176
177#if IS_ENABLED(CONFIG_SMSC911X)
178#include <linux/smsc911x.h>
179
180static struct resource smsc911x_resources[] = {
181	{
182		.name = "smsc911x-memory",
183		.start = 0x24008000,
184		.end = 0x24008000 + 0xFF,
185		.flags = IORESOURCE_MEM,
186	},
187	{
188		.start = IRQ_PF43,
189		.end = IRQ_PF43,
190		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
191	},
192};
193
194static struct smsc911x_platform_config smsc911x_config = {
195	.flags = SMSC911X_USE_16BIT,
196	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
197	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
198	.phy_interface = PHY_INTERFACE_MODE_MII,
199};
200
201static struct platform_device smsc911x_device = {
202	.name = "smsc911x",
203	.id = 0,
204	.num_resources = ARRAY_SIZE(smsc911x_resources),
205	.resource = smsc911x_resources,
206	.dev = {
207		.platform_data = &smsc911x_config,
208	},
209};
210#endif
211
212#if IS_ENABLED(CONFIG_USB_NET2272)
213static struct resource net2272_bfin_resources[] = {
214	{
215		.start = 0x24000000,
216		.end = 0x24000000 + 0x100,
217		.flags = IORESOURCE_MEM,
218	}, {
219		.start = IRQ_PF45,
220		.end = IRQ_PF45,
221		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
222	},
223};
224
225static struct platform_device net2272_bfin_device = {
226	.name = "net2272",
227	.id = -1,
228	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
229	.resource = net2272_bfin_resources,
230};
231#endif
232
233#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
234static struct resource isp1362_hcd_resources[] = {
235	{
236		.start = 0x24008000,
237		.end = 0x24008000,
238		.flags = IORESOURCE_MEM,
239	}, {
240		.start = 0x24008004,
241		.end = 0x24008004,
242		.flags = IORESOURCE_MEM,
243	}, {
244		.start = IRQ_PF47,
245		.end = IRQ_PF47,
246		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
247	},
248};
249
250static struct isp1362_platform_data isp1362_priv = {
251	.sel15Kres = 1,
252	.clknotstop = 0,
253	.oc_enable = 0,
254	.int_act_high = 0,
255	.int_edge_triggered = 0,
256	.remote_wakeup_connected = 0,
257	.no_power_switching = 1,
258	.power_switching_mode = 0,
259};
260
261static struct platform_device isp1362_hcd_device = {
262	.name = "isp1362-hcd",
263	.id = 0,
264	.dev = {
265		.platform_data = &isp1362_priv,
266	},
267	.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
268	.resource = isp1362_hcd_resources,
269};
270#endif
271
272#if IS_ENABLED(CONFIG_SERIAL_BFIN)
273#ifdef CONFIG_SERIAL_BFIN_UART0
274static struct resource bfin_uart0_resources[] = {
275	{
276		.start = BFIN_UART_THR,
277		.end = BFIN_UART_GCTL+2,
278		.flags = IORESOURCE_MEM,
279	},
280	{
281		.start = IRQ_UART_TX,
282		.end = IRQ_UART_TX,
283		.flags = IORESOURCE_IRQ,
284	},
285	{
286		.start = IRQ_UART_RX,
287		.end = IRQ_UART_RX,
288		.flags = IORESOURCE_IRQ,
289	},
290	{
291		.start = IRQ_UART_ERROR,
292		.end = IRQ_UART_ERROR,
293		.flags = IORESOURCE_IRQ,
294	},
295	{
296		.start = CH_UART_TX,
297		.end = CH_UART_TX,
298		.flags = IORESOURCE_DMA,
299	},
300	{
301		.start = CH_UART_RX,
302		.end = CH_UART_RX,
303		.flags = IORESOURCE_DMA,
304	},
305};
306
307static unsigned short bfin_uart0_peripherals[] = {
308	P_UART0_TX, P_UART0_RX, 0
309};
310
311static struct platform_device bfin_uart0_device = {
312	.name = "bfin-uart",
313	.id = 0,
314	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
315	.resource = bfin_uart0_resources,
316	.dev = {
317		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
318	},
319};
320#endif
321#endif
322
323#if IS_ENABLED(CONFIG_BFIN_SIR)
324#ifdef CONFIG_BFIN_SIR0
325static struct resource bfin_sir0_resources[] = {
326	{
327		.start = 0xFFC00400,
328		.end = 0xFFC004FF,
329		.flags = IORESOURCE_MEM,
330	},
331	{
332		.start = IRQ_UART0_RX,
333		.end = IRQ_UART0_RX+1,
334		.flags = IORESOURCE_IRQ,
335	},
336	{
337		.start = CH_UART0_RX,
338		.end = CH_UART0_RX+1,
339		.flags = IORESOURCE_DMA,
340	},
341};
342
343static struct platform_device bfin_sir0_device = {
344	.name = "bfin_sir",
345	.id = 0,
346	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
347	.resource = bfin_sir0_resources,
348};
349#endif
350#endif
351
352#if IS_ENABLED(CONFIG_PATA_PLATFORM)
353#define PATA_INT	IRQ_PF46
354
355static struct pata_platform_info bfin_pata_platform_data = {
356	.ioport_shift = 2,
357};
358
359static 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 | IORESOURCE_IRQ_HIGHLEVEL,
374	},
375};
376
377static 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 IS_ENABLED(CONFIG_MTD_PHYSMAP)
389static 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
405static struct physmap_flash_data para_flash_data = {
406	.width      = 2,
407	.parts      = para_partitions,
408	.nr_parts   = ARRAY_SIZE(para_partitions),
409};
410
411static struct resource para_flash_resource = {
412	.start = 0x20000000,
413	.end   = 0x207fffff,
414	.flags = IORESOURCE_MEM,
415};
416
417static 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
428static 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
442static 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
448static struct platform_device bfin_dpmc = {
449	.name = "bfin dpmc",
450	.dev = {
451		.platform_data = &bfin_dmpc_vreg_data,
452	},
453};
454
455static struct platform_device *cm_bf561_devices[] __initdata = {
456
457	&bfin_dpmc,
458
459#if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
460	&hitachi_fb_device,
461#endif
462
463#if IS_ENABLED(CONFIG_SERIAL_BFIN)
464#ifdef CONFIG_SERIAL_BFIN_UART0
465	&bfin_uart0_device,
466#endif
467#endif
468
469#if IS_ENABLED(CONFIG_BFIN_SIR)
470#ifdef CONFIG_BFIN_SIR0
471	&bfin_sir0_device,
472#endif
473#endif
474
475#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
476	&isp1362_hcd_device,
477#endif
478
479#if IS_ENABLED(CONFIG_SMC91X)
480	&smc91x_device,
481#endif
482
483#if IS_ENABLED(CONFIG_SMSC911X)
484	&smsc911x_device,
485#endif
486
487#if IS_ENABLED(CONFIG_USB_NET2272)
488	&net2272_bfin_device,
489#endif
490
491#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
492	&bfin_spi0_device,
493#endif
494
495#if IS_ENABLED(CONFIG_PATA_PLATFORM)
496	&bfin_pata_device,
497#endif
498
499#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
500	&para_flash_device,
501#endif
502};
503
504static int __init net2272_init(void)
505{
506#if IS_ENABLED(CONFIG_USB_NET2272)
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
522static 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 IS_ENABLED(CONFIG_SPI_BFIN5XX)
527	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
528#endif
529
530#if IS_ENABLED(CONFIG_PATA_PLATFORM)
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
540arch_initcall(cm_bf561_init);
541
542static 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
550void __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