1 /*
2  * DA8XX/OMAP L1XX platform device data
3  *
4  * Copyright (c) 2007-2009, MontaVista Software, Inc. <source@mvista.com>
5  * Derived from code that was:
6  *	Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 #include <linux/ahci_platform.h>
14 #include <linux/clk-provider.h>
15 #include <linux/clk.h>
16 #include <linux/clkdev.h>
17 #include <linux/dma-contiguous.h>
18 #include <linux/dmaengine.h>
19 #include <linux/init.h>
20 #include <linux/platform_device.h>
21 #include <linux/reboot.h>
22 #include <linux/serial_8250.h>
23 
24 #include <mach/common.h>
25 #include <mach/cputype.h>
26 #include <mach/da8xx.h>
27 #include <mach/time.h>
28 
29 #include "asp.h"
30 #include "cpuidle.h"
31 #include "sram.h"
32 
33 #define DA8XX_TPCC_BASE			0x01c00000
34 #define DA8XX_TPTC0_BASE		0x01c08000
35 #define DA8XX_TPTC1_BASE		0x01c08400
36 #define DA8XX_WDOG_BASE			0x01c21000 /* DA8XX_TIMER64P1_BASE */
37 #define DA8XX_I2C0_BASE			0x01c22000
38 #define DA8XX_RTC_BASE			0x01c23000
39 #define DA8XX_PRUSS_MEM_BASE		0x01c30000
40 #define DA8XX_MMCSD0_BASE		0x01c40000
41 #define DA8XX_SPI0_BASE			0x01c41000
42 #define DA830_SPI1_BASE			0x01e12000
43 #define DA8XX_LCD_CNTRL_BASE		0x01e13000
44 #define DA850_SATA_BASE			0x01e18000
45 #define DA850_MMCSD1_BASE		0x01e1b000
46 #define DA8XX_EMAC_CPPI_PORT_BASE	0x01e20000
47 #define DA8XX_EMAC_CPGMACSS_BASE	0x01e22000
48 #define DA8XX_EMAC_CPGMAC_BASE		0x01e23000
49 #define DA8XX_EMAC_MDIO_BASE		0x01e24000
50 #define DA8XX_I2C1_BASE			0x01e28000
51 #define DA850_TPCC1_BASE		0x01e30000
52 #define DA850_TPTC2_BASE		0x01e38000
53 #define DA850_SPI1_BASE			0x01f0e000
54 #define DA8XX_DDR2_CTL_BASE		0xb0000000
55 
56 #define DA8XX_EMAC_CTRL_REG_OFFSET	0x3000
57 #define DA8XX_EMAC_MOD_REG_OFFSET	0x2000
58 #define DA8XX_EMAC_RAM_OFFSET		0x0000
59 #define DA8XX_EMAC_CTRL_RAM_SIZE	SZ_8K
60 
61 void __iomem *da8xx_syscfg0_base;
62 void __iomem *da8xx_syscfg1_base;
63 
64 static struct plat_serial8250_port da8xx_serial0_pdata[] = {
65 	{
66 		.mapbase	= DA8XX_UART0_BASE,
67 		.irq		= IRQ_DA8XX_UARTINT0,
68 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
69 					UPF_IOREMAP,
70 		.iotype		= UPIO_MEM,
71 		.regshift	= 2,
72 	},
73 	{
74 		.flags	= 0,
75 	}
76 };
77 static struct plat_serial8250_port da8xx_serial1_pdata[] = {
78 	{
79 		.mapbase	= DA8XX_UART1_BASE,
80 		.irq		= IRQ_DA8XX_UARTINT1,
81 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
82 					UPF_IOREMAP,
83 		.iotype		= UPIO_MEM,
84 		.regshift	= 2,
85 	},
86 	{
87 		.flags	= 0,
88 	}
89 };
90 static struct plat_serial8250_port da8xx_serial2_pdata[] = {
91 	{
92 		.mapbase	= DA8XX_UART2_BASE,
93 		.irq		= IRQ_DA8XX_UARTINT2,
94 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
95 					UPF_IOREMAP,
96 		.iotype		= UPIO_MEM,
97 		.regshift	= 2,
98 	},
99 	{
100 		.flags	= 0,
101 	}
102 };
103 
104 struct platform_device da8xx_serial_device[] = {
105 	{
106 		.name	= "serial8250",
107 		.id	= PLAT8250_DEV_PLATFORM,
108 		.dev	= {
109 			.platform_data	= da8xx_serial0_pdata,
110 		}
111 	},
112 	{
113 		.name	= "serial8250",
114 		.id	= PLAT8250_DEV_PLATFORM1,
115 		.dev	= {
116 			.platform_data	= da8xx_serial1_pdata,
117 		}
118 	},
119 	{
120 		.name	= "serial8250",
121 		.id	= PLAT8250_DEV_PLATFORM2,
122 		.dev	= {
123 			.platform_data	= da8xx_serial2_pdata,
124 		}
125 	},
126 	{
127 	}
128 };
129 
130 static s8 da8xx_queue_priority_mapping[][2] = {
131 	/* {event queue no, Priority} */
132 	{0, 3},
133 	{1, 7},
134 	{-1, -1}
135 };
136 
137 static s8 da850_queue_priority_mapping[][2] = {
138 	/* {event queue no, Priority} */
139 	{0, 3},
140 	{-1, -1}
141 };
142 
143 static struct edma_soc_info da8xx_edma0_pdata = {
144 	.queue_priority_mapping	= da8xx_queue_priority_mapping,
145 	.default_queue		= EVENTQ_1,
146 };
147 
148 static struct edma_soc_info da850_edma1_pdata = {
149 	.queue_priority_mapping	= da850_queue_priority_mapping,
150 	.default_queue		= EVENTQ_0,
151 };
152 
153 static struct resource da8xx_edma0_resources[] = {
154 	{
155 		.name	= "edma3_cc",
156 		.start	= DA8XX_TPCC_BASE,
157 		.end	= DA8XX_TPCC_BASE + SZ_32K - 1,
158 		.flags	= IORESOURCE_MEM,
159 	},
160 	{
161 		.name	= "edma3_tc0",
162 		.start	= DA8XX_TPTC0_BASE,
163 		.end	= DA8XX_TPTC0_BASE + SZ_1K - 1,
164 		.flags	= IORESOURCE_MEM,
165 	},
166 	{
167 		.name	= "edma3_tc1",
168 		.start	= DA8XX_TPTC1_BASE,
169 		.end	= DA8XX_TPTC1_BASE + SZ_1K - 1,
170 		.flags	= IORESOURCE_MEM,
171 	},
172 	{
173 		.name	= "edma3_ccint",
174 		.start	= IRQ_DA8XX_CCINT0,
175 		.flags	= IORESOURCE_IRQ,
176 	},
177 	{
178 		.name	= "edma3_ccerrint",
179 		.start	= IRQ_DA8XX_CCERRINT,
180 		.flags	= IORESOURCE_IRQ,
181 	},
182 };
183 
184 static struct resource da850_edma1_resources[] = {
185 	{
186 		.name	= "edma3_cc",
187 		.start	= DA850_TPCC1_BASE,
188 		.end	= DA850_TPCC1_BASE + SZ_32K - 1,
189 		.flags	= IORESOURCE_MEM,
190 	},
191 	{
192 		.name	= "edma3_tc0",
193 		.start	= DA850_TPTC2_BASE,
194 		.end	= DA850_TPTC2_BASE + SZ_1K - 1,
195 		.flags	= IORESOURCE_MEM,
196 	},
197 	{
198 		.name	= "edma3_ccint",
199 		.start	= IRQ_DA850_CCINT1,
200 		.flags	= IORESOURCE_IRQ,
201 	},
202 	{
203 		.name	= "edma3_ccerrint",
204 		.start	= IRQ_DA850_CCERRINT1,
205 		.flags	= IORESOURCE_IRQ,
206 	},
207 };
208 
209 static const struct platform_device_info da8xx_edma0_device __initconst = {
210 	.name		= "edma",
211 	.id		= 0,
212 	.dma_mask	= DMA_BIT_MASK(32),
213 	.res		= da8xx_edma0_resources,
214 	.num_res	= ARRAY_SIZE(da8xx_edma0_resources),
215 	.data		= &da8xx_edma0_pdata,
216 	.size_data	= sizeof(da8xx_edma0_pdata),
217 };
218 
219 static const struct platform_device_info da850_edma1_device __initconst = {
220 	.name		= "edma",
221 	.id		= 1,
222 	.dma_mask	= DMA_BIT_MASK(32),
223 	.res		= da850_edma1_resources,
224 	.num_res	= ARRAY_SIZE(da850_edma1_resources),
225 	.data		= &da850_edma1_pdata,
226 	.size_data	= sizeof(da850_edma1_pdata),
227 };
228 
229 static const struct dma_slave_map da830_edma_map[] = {
230 	{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) },
231 	{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) },
232 	{ "davinci-mcasp.1", "rx", EDMA_FILTER_PARAM(0, 2) },
233 	{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 3) },
234 	{ "davinci-mcasp.2", "rx", EDMA_FILTER_PARAM(0, 4) },
235 	{ "davinci-mcasp.2", "tx", EDMA_FILTER_PARAM(0, 5) },
236 	{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) },
237 	{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) },
238 	{ "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) },
239 	{ "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) },
240 	{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) },
241 	{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) },
242 };
243 
da830_register_edma(struct edma_rsv_info * rsv)244 int __init da830_register_edma(struct edma_rsv_info *rsv)
245 {
246 	struct platform_device *edma_pdev;
247 
248 	da8xx_edma0_pdata.rsv = rsv;
249 
250 	da8xx_edma0_pdata.slave_map = da830_edma_map;
251 	da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da830_edma_map);
252 
253 	edma_pdev = platform_device_register_full(&da8xx_edma0_device);
254 	return PTR_ERR_OR_ZERO(edma_pdev);
255 }
256 
257 static const struct dma_slave_map da850_edma0_map[] = {
258 	{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 0) },
259 	{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 1) },
260 	{ "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 2) },
261 	{ "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 3) },
262 	{ "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 4) },
263 	{ "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 5) },
264 	{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 14) },
265 	{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 15) },
266 	{ "da830-mmc.0", "rx", EDMA_FILTER_PARAM(0, 16) },
267 	{ "da830-mmc.0", "tx", EDMA_FILTER_PARAM(0, 17) },
268 	{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 18) },
269 	{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 19) },
270 };
271 
272 static const struct dma_slave_map da850_edma1_map[] = {
273 	{ "da830-mmc.1", "rx", EDMA_FILTER_PARAM(1, 28) },
274 	{ "da830-mmc.1", "tx", EDMA_FILTER_PARAM(1, 29) },
275 };
276 
da850_register_edma(struct edma_rsv_info * rsv[2])277 int __init da850_register_edma(struct edma_rsv_info *rsv[2])
278 {
279 	struct platform_device *edma_pdev;
280 
281 	if (rsv) {
282 		da8xx_edma0_pdata.rsv = rsv[0];
283 		da850_edma1_pdata.rsv = rsv[1];
284 	}
285 
286 	da8xx_edma0_pdata.slave_map = da850_edma0_map;
287 	da8xx_edma0_pdata.slavecnt = ARRAY_SIZE(da850_edma0_map);
288 
289 	edma_pdev = platform_device_register_full(&da8xx_edma0_device);
290 	if (IS_ERR(edma_pdev)) {
291 		pr_warn("%s: Failed to register eDMA0\n", __func__);
292 		return PTR_ERR(edma_pdev);
293 	}
294 
295 	da850_edma1_pdata.slave_map = da850_edma1_map;
296 	da850_edma1_pdata.slavecnt = ARRAY_SIZE(da850_edma1_map);
297 
298 	edma_pdev = platform_device_register_full(&da850_edma1_device);
299 	return PTR_ERR_OR_ZERO(edma_pdev);
300 }
301 
302 static struct resource da8xx_i2c_resources0[] = {
303 	{
304 		.start	= DA8XX_I2C0_BASE,
305 		.end	= DA8XX_I2C0_BASE + SZ_4K - 1,
306 		.flags	= IORESOURCE_MEM,
307 	},
308 	{
309 		.start	= IRQ_DA8XX_I2CINT0,
310 		.end	= IRQ_DA8XX_I2CINT0,
311 		.flags	= IORESOURCE_IRQ,
312 	},
313 };
314 
315 static struct platform_device da8xx_i2c_device0 = {
316 	.name		= "i2c_davinci",
317 	.id		= 1,
318 	.num_resources	= ARRAY_SIZE(da8xx_i2c_resources0),
319 	.resource	= da8xx_i2c_resources0,
320 };
321 
322 static struct resource da8xx_i2c_resources1[] = {
323 	{
324 		.start	= DA8XX_I2C1_BASE,
325 		.end	= DA8XX_I2C1_BASE + SZ_4K - 1,
326 		.flags	= IORESOURCE_MEM,
327 	},
328 	{
329 		.start	= IRQ_DA8XX_I2CINT1,
330 		.end	= IRQ_DA8XX_I2CINT1,
331 		.flags	= IORESOURCE_IRQ,
332 	},
333 };
334 
335 static struct platform_device da8xx_i2c_device1 = {
336 	.name		= "i2c_davinci",
337 	.id		= 2,
338 	.num_resources	= ARRAY_SIZE(da8xx_i2c_resources1),
339 	.resource	= da8xx_i2c_resources1,
340 };
341 
da8xx_register_i2c(int instance,struct davinci_i2c_platform_data * pdata)342 int __init da8xx_register_i2c(int instance,
343 		struct davinci_i2c_platform_data *pdata)
344 {
345 	struct platform_device *pdev;
346 
347 	if (instance == 0)
348 		pdev = &da8xx_i2c_device0;
349 	else if (instance == 1)
350 		pdev = &da8xx_i2c_device1;
351 	else
352 		return -EINVAL;
353 
354 	pdev->dev.platform_data = pdata;
355 	return platform_device_register(pdev);
356 }
357 
358 static struct resource da8xx_watchdog_resources[] = {
359 	{
360 		.start	= DA8XX_WDOG_BASE,
361 		.end	= DA8XX_WDOG_BASE + SZ_4K - 1,
362 		.flags	= IORESOURCE_MEM,
363 	},
364 };
365 
366 static struct platform_device da8xx_wdt_device = {
367 	.name		= "davinci-wdt",
368 	.id		= -1,
369 	.num_resources	= ARRAY_SIZE(da8xx_watchdog_resources),
370 	.resource	= da8xx_watchdog_resources,
371 };
372 
da8xx_register_watchdog(void)373 int __init da8xx_register_watchdog(void)
374 {
375 	return platform_device_register(&da8xx_wdt_device);
376 }
377 
378 static struct resource da8xx_emac_resources[] = {
379 	{
380 		.start	= DA8XX_EMAC_CPPI_PORT_BASE,
381 		.end	= DA8XX_EMAC_CPPI_PORT_BASE + SZ_16K - 1,
382 		.flags	= IORESOURCE_MEM,
383 	},
384 	{
385 		.start	= IRQ_DA8XX_C0_RX_THRESH_PULSE,
386 		.end	= IRQ_DA8XX_C0_RX_THRESH_PULSE,
387 		.flags	= IORESOURCE_IRQ,
388 	},
389 	{
390 		.start	= IRQ_DA8XX_C0_RX_PULSE,
391 		.end	= IRQ_DA8XX_C0_RX_PULSE,
392 		.flags	= IORESOURCE_IRQ,
393 	},
394 	{
395 		.start	= IRQ_DA8XX_C0_TX_PULSE,
396 		.end	= IRQ_DA8XX_C0_TX_PULSE,
397 		.flags	= IORESOURCE_IRQ,
398 	},
399 	{
400 		.start	= IRQ_DA8XX_C0_MISC_PULSE,
401 		.end	= IRQ_DA8XX_C0_MISC_PULSE,
402 		.flags	= IORESOURCE_IRQ,
403 	},
404 };
405 
406 struct emac_platform_data da8xx_emac_pdata = {
407 	.ctrl_reg_offset	= DA8XX_EMAC_CTRL_REG_OFFSET,
408 	.ctrl_mod_reg_offset	= DA8XX_EMAC_MOD_REG_OFFSET,
409 	.ctrl_ram_offset	= DA8XX_EMAC_RAM_OFFSET,
410 	.ctrl_ram_size		= DA8XX_EMAC_CTRL_RAM_SIZE,
411 	.version		= EMAC_VERSION_2,
412 };
413 
414 static struct platform_device da8xx_emac_device = {
415 	.name		= "davinci_emac",
416 	.id		= 1,
417 	.dev = {
418 		.platform_data	= &da8xx_emac_pdata,
419 	},
420 	.num_resources	= ARRAY_SIZE(da8xx_emac_resources),
421 	.resource	= da8xx_emac_resources,
422 };
423 
424 static struct resource da8xx_mdio_resources[] = {
425 	{
426 		.start	= DA8XX_EMAC_MDIO_BASE,
427 		.end	= DA8XX_EMAC_MDIO_BASE + SZ_4K - 1,
428 		.flags	= IORESOURCE_MEM,
429 	},
430 };
431 
432 static struct platform_device da8xx_mdio_device = {
433 	.name		= "davinci_mdio",
434 	.id		= 0,
435 	.num_resources	= ARRAY_SIZE(da8xx_mdio_resources),
436 	.resource	= da8xx_mdio_resources,
437 };
438 
da8xx_register_emac(void)439 int __init da8xx_register_emac(void)
440 {
441 	int ret;
442 
443 	ret = platform_device_register(&da8xx_mdio_device);
444 	if (ret < 0)
445 		return ret;
446 
447 	return platform_device_register(&da8xx_emac_device);
448 }
449 
450 static struct resource da830_mcasp1_resources[] = {
451 	{
452 		.name	= "mpu",
453 		.start	= DAVINCI_DA830_MCASP1_REG_BASE,
454 		.end	= DAVINCI_DA830_MCASP1_REG_BASE + (SZ_1K * 12) - 1,
455 		.flags	= IORESOURCE_MEM,
456 	},
457 	/* TX event */
458 	{
459 		.name	= "tx",
460 		.start	= DAVINCI_DA830_DMA_MCASP1_AXEVT,
461 		.end	= DAVINCI_DA830_DMA_MCASP1_AXEVT,
462 		.flags	= IORESOURCE_DMA,
463 	},
464 	/* RX event */
465 	{
466 		.name	= "rx",
467 		.start	= DAVINCI_DA830_DMA_MCASP1_AREVT,
468 		.end	= DAVINCI_DA830_DMA_MCASP1_AREVT,
469 		.flags	= IORESOURCE_DMA,
470 	},
471 	{
472 		.name	= "common",
473 		.start	= IRQ_DA8XX_MCASPINT,
474 		.flags	= IORESOURCE_IRQ,
475 	},
476 };
477 
478 static struct platform_device da830_mcasp1_device = {
479 	.name		= "davinci-mcasp",
480 	.id		= 1,
481 	.num_resources	= ARRAY_SIZE(da830_mcasp1_resources),
482 	.resource	= da830_mcasp1_resources,
483 };
484 
485 static struct resource da830_mcasp2_resources[] = {
486 	{
487 		.name	= "mpu",
488 		.start	= DAVINCI_DA830_MCASP2_REG_BASE,
489 		.end	= DAVINCI_DA830_MCASP2_REG_BASE + (SZ_1K * 12) - 1,
490 		.flags	= IORESOURCE_MEM,
491 	},
492 	/* TX event */
493 	{
494 		.name	= "tx",
495 		.start	= DAVINCI_DA830_DMA_MCASP2_AXEVT,
496 		.end	= DAVINCI_DA830_DMA_MCASP2_AXEVT,
497 		.flags	= IORESOURCE_DMA,
498 	},
499 	/* RX event */
500 	{
501 		.name	= "rx",
502 		.start	= DAVINCI_DA830_DMA_MCASP2_AREVT,
503 		.end	= DAVINCI_DA830_DMA_MCASP2_AREVT,
504 		.flags	= IORESOURCE_DMA,
505 	},
506 	{
507 		.name	= "common",
508 		.start	= IRQ_DA8XX_MCASPINT,
509 		.flags	= IORESOURCE_IRQ,
510 	},
511 };
512 
513 static struct platform_device da830_mcasp2_device = {
514 	.name		= "davinci-mcasp",
515 	.id		= 2,
516 	.num_resources	= ARRAY_SIZE(da830_mcasp2_resources),
517 	.resource	= da830_mcasp2_resources,
518 };
519 
520 static struct resource da850_mcasp_resources[] = {
521 	{
522 		.name	= "mpu",
523 		.start	= DAVINCI_DA8XX_MCASP0_REG_BASE,
524 		.end	= DAVINCI_DA8XX_MCASP0_REG_BASE + (SZ_1K * 12) - 1,
525 		.flags	= IORESOURCE_MEM,
526 	},
527 	/* TX event */
528 	{
529 		.name	= "tx",
530 		.start	= DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
531 		.end	= DAVINCI_DA8XX_DMA_MCASP0_AXEVT,
532 		.flags	= IORESOURCE_DMA,
533 	},
534 	/* RX event */
535 	{
536 		.name	= "rx",
537 		.start	= DAVINCI_DA8XX_DMA_MCASP0_AREVT,
538 		.end	= DAVINCI_DA8XX_DMA_MCASP0_AREVT,
539 		.flags	= IORESOURCE_DMA,
540 	},
541 	{
542 		.name	= "common",
543 		.start	= IRQ_DA8XX_MCASPINT,
544 		.flags	= IORESOURCE_IRQ,
545 	},
546 };
547 
548 static struct platform_device da850_mcasp_device = {
549 	.name		= "davinci-mcasp",
550 	.id		= 0,
551 	.num_resources	= ARRAY_SIZE(da850_mcasp_resources),
552 	.resource	= da850_mcasp_resources,
553 };
554 
da8xx_register_mcasp(int id,struct snd_platform_data * pdata)555 void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata)
556 {
557 	struct platform_device *pdev;
558 
559 	switch (id) {
560 	case 0:
561 		/* Valid for DA830/OMAP-L137 or DA850/OMAP-L138 */
562 		pdev = &da850_mcasp_device;
563 		break;
564 	case 1:
565 		/* Valid for DA830/OMAP-L137 only */
566 		if (!cpu_is_davinci_da830())
567 			return;
568 		pdev = &da830_mcasp1_device;
569 		break;
570 	case 2:
571 		/* Valid for DA830/OMAP-L137 only */
572 		if (!cpu_is_davinci_da830())
573 			return;
574 		pdev = &da830_mcasp2_device;
575 		break;
576 	default:
577 		return;
578 	}
579 
580 	pdev->dev.platform_data = pdata;
581 	platform_device_register(pdev);
582 }
583 
584 static struct resource da8xx_pruss_resources[] = {
585 	{
586 		.start	= DA8XX_PRUSS_MEM_BASE,
587 		.end	= DA8XX_PRUSS_MEM_BASE + 0xFFFF,
588 		.flags	= IORESOURCE_MEM,
589 	},
590 	{
591 		.start	= IRQ_DA8XX_EVTOUT0,
592 		.end	= IRQ_DA8XX_EVTOUT0,
593 		.flags	= IORESOURCE_IRQ,
594 	},
595 	{
596 		.start	= IRQ_DA8XX_EVTOUT1,
597 		.end	= IRQ_DA8XX_EVTOUT1,
598 		.flags	= IORESOURCE_IRQ,
599 	},
600 	{
601 		.start	= IRQ_DA8XX_EVTOUT2,
602 		.end	= IRQ_DA8XX_EVTOUT2,
603 		.flags	= IORESOURCE_IRQ,
604 	},
605 	{
606 		.start	= IRQ_DA8XX_EVTOUT3,
607 		.end	= IRQ_DA8XX_EVTOUT3,
608 		.flags	= IORESOURCE_IRQ,
609 	},
610 	{
611 		.start	= IRQ_DA8XX_EVTOUT4,
612 		.end	= IRQ_DA8XX_EVTOUT4,
613 		.flags	= IORESOURCE_IRQ,
614 	},
615 	{
616 		.start	= IRQ_DA8XX_EVTOUT5,
617 		.end	= IRQ_DA8XX_EVTOUT5,
618 		.flags	= IORESOURCE_IRQ,
619 	},
620 	{
621 		.start	= IRQ_DA8XX_EVTOUT6,
622 		.end	= IRQ_DA8XX_EVTOUT6,
623 		.flags	= IORESOURCE_IRQ,
624 	},
625 	{
626 		.start	= IRQ_DA8XX_EVTOUT7,
627 		.end	= IRQ_DA8XX_EVTOUT7,
628 		.flags	= IORESOURCE_IRQ,
629 	},
630 };
631 
632 static struct uio_pruss_pdata da8xx_uio_pruss_pdata = {
633 	.pintc_base	= 0x4000,
634 };
635 
636 static struct platform_device da8xx_uio_pruss_dev = {
637 	.name		= "pruss_uio",
638 	.id		= -1,
639 	.num_resources	= ARRAY_SIZE(da8xx_pruss_resources),
640 	.resource	= da8xx_pruss_resources,
641 	.dev		= {
642 		.coherent_dma_mask	= DMA_BIT_MASK(32),
643 		.platform_data		= &da8xx_uio_pruss_pdata,
644 	}
645 };
646 
da8xx_register_uio_pruss(void)647 int __init da8xx_register_uio_pruss(void)
648 {
649 	da8xx_uio_pruss_pdata.sram_pool = sram_get_gen_pool();
650 	return platform_device_register(&da8xx_uio_pruss_dev);
651 }
652 
653 static struct lcd_ctrl_config lcd_cfg = {
654 	.panel_shade		= COLOR_ACTIVE,
655 	.bpp			= 16,
656 };
657 
658 struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata = {
659 	.manu_name		= "sharp",
660 	.controller_data	= &lcd_cfg,
661 	.type			= "Sharp_LCD035Q3DG01",
662 };
663 
664 struct da8xx_lcdc_platform_data sharp_lk043t1dg01_pdata = {
665 	.manu_name		= "sharp",
666 	.controller_data	= &lcd_cfg,
667 	.type			= "Sharp_LK043T1DG01",
668 };
669 
670 static struct resource da8xx_lcdc_resources[] = {
671 	[0] = { /* registers */
672 		.start  = DA8XX_LCD_CNTRL_BASE,
673 		.end    = DA8XX_LCD_CNTRL_BASE + SZ_4K - 1,
674 		.flags  = IORESOURCE_MEM,
675 	},
676 	[1] = { /* interrupt */
677 		.start  = IRQ_DA8XX_LCDINT,
678 		.end    = IRQ_DA8XX_LCDINT,
679 		.flags  = IORESOURCE_IRQ,
680 	},
681 };
682 
683 static struct platform_device da8xx_lcdc_device = {
684 	.name		= "da8xx_lcdc",
685 	.id		= 0,
686 	.num_resources	= ARRAY_SIZE(da8xx_lcdc_resources),
687 	.resource	= da8xx_lcdc_resources,
688 };
689 
da8xx_register_lcdc(struct da8xx_lcdc_platform_data * pdata)690 int __init da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata)
691 {
692 	da8xx_lcdc_device.dev.platform_data = pdata;
693 	return platform_device_register(&da8xx_lcdc_device);
694 }
695 
696 static struct resource da8xx_gpio_resources[] = {
697 	{ /* registers */
698 		.start	= DA8XX_GPIO_BASE,
699 		.end	= DA8XX_GPIO_BASE + SZ_4K - 1,
700 		.flags	= IORESOURCE_MEM,
701 	},
702 	{ /* interrupt */
703 		.start	= IRQ_DA8XX_GPIO0,
704 		.end	= IRQ_DA8XX_GPIO8,
705 		.flags	= IORESOURCE_IRQ,
706 	},
707 };
708 
709 static struct platform_device da8xx_gpio_device = {
710 	.name		= "davinci_gpio",
711 	.id		= -1,
712 	.num_resources	= ARRAY_SIZE(da8xx_gpio_resources),
713 	.resource	= da8xx_gpio_resources,
714 };
715 
da8xx_register_gpio(void * pdata)716 int __init da8xx_register_gpio(void *pdata)
717 {
718 	da8xx_gpio_device.dev.platform_data = pdata;
719 	return platform_device_register(&da8xx_gpio_device);
720 }
721 
722 static struct resource da8xx_mmcsd0_resources[] = {
723 	{		/* registers */
724 		.start	= DA8XX_MMCSD0_BASE,
725 		.end	= DA8XX_MMCSD0_BASE + SZ_4K - 1,
726 		.flags	= IORESOURCE_MEM,
727 	},
728 	{		/* interrupt */
729 		.start	= IRQ_DA8XX_MMCSDINT0,
730 		.end	= IRQ_DA8XX_MMCSDINT0,
731 		.flags	= IORESOURCE_IRQ,
732 	},
733 };
734 
735 static struct platform_device da8xx_mmcsd0_device = {
736 	.name		= "da830-mmc",
737 	.id		= 0,
738 	.num_resources	= ARRAY_SIZE(da8xx_mmcsd0_resources),
739 	.resource	= da8xx_mmcsd0_resources,
740 };
741 
da8xx_register_mmcsd0(struct davinci_mmc_config * config)742 int __init da8xx_register_mmcsd0(struct davinci_mmc_config *config)
743 {
744 	da8xx_mmcsd0_device.dev.platform_data = config;
745 	return platform_device_register(&da8xx_mmcsd0_device);
746 }
747 
748 #ifdef CONFIG_ARCH_DAVINCI_DA850
749 static struct resource da850_mmcsd1_resources[] = {
750 	{		/* registers */
751 		.start	= DA850_MMCSD1_BASE,
752 		.end	= DA850_MMCSD1_BASE + SZ_4K - 1,
753 		.flags	= IORESOURCE_MEM,
754 	},
755 	{		/* interrupt */
756 		.start	= IRQ_DA850_MMCSDINT0_1,
757 		.end	= IRQ_DA850_MMCSDINT0_1,
758 		.flags	= IORESOURCE_IRQ,
759 	},
760 };
761 
762 static struct platform_device da850_mmcsd1_device = {
763 	.name		= "da830-mmc",
764 	.id		= 1,
765 	.num_resources	= ARRAY_SIZE(da850_mmcsd1_resources),
766 	.resource	= da850_mmcsd1_resources,
767 };
768 
da850_register_mmcsd1(struct davinci_mmc_config * config)769 int __init da850_register_mmcsd1(struct davinci_mmc_config *config)
770 {
771 	da850_mmcsd1_device.dev.platform_data = config;
772 	return platform_device_register(&da850_mmcsd1_device);
773 }
774 #endif
775 
776 static struct resource da8xx_rproc_resources[] = {
777 	{ /* DSP boot address */
778 		.name		= "host1cfg",
779 		.start		= DA8XX_SYSCFG0_BASE + DA8XX_HOST1CFG_REG,
780 		.end		= DA8XX_SYSCFG0_BASE + DA8XX_HOST1CFG_REG + 3,
781 		.flags		= IORESOURCE_MEM,
782 	},
783 	{ /* DSP interrupt registers */
784 		.name		= "chipsig",
785 		.start		= DA8XX_SYSCFG0_BASE + DA8XX_CHIPSIG_REG,
786 		.end		= DA8XX_SYSCFG0_BASE + DA8XX_CHIPSIG_REG + 7,
787 		.flags		= IORESOURCE_MEM,
788 	},
789 	{ /* DSP L2 RAM */
790 		.name		= "l2sram",
791 		.start		= DA8XX_DSP_L2_RAM_BASE,
792 		.end		= DA8XX_DSP_L2_RAM_BASE + SZ_256K - 1,
793 		.flags		= IORESOURCE_MEM,
794 	},
795 	{ /* DSP L1P RAM */
796 		.name		= "l1pram",
797 		.start		= DA8XX_DSP_L1P_RAM_BASE,
798 		.end		= DA8XX_DSP_L1P_RAM_BASE + SZ_32K - 1,
799 		.flags		= IORESOURCE_MEM,
800 	},
801 	{ /* DSP L1D RAM */
802 		.name		= "l1dram",
803 		.start		= DA8XX_DSP_L1D_RAM_BASE,
804 		.end		= DA8XX_DSP_L1D_RAM_BASE + SZ_32K - 1,
805 		.flags		= IORESOURCE_MEM,
806 	},
807 	{ /* dsp irq */
808 		.start		= IRQ_DA8XX_CHIPINT0,
809 		.end		= IRQ_DA8XX_CHIPINT0,
810 		.flags		= IORESOURCE_IRQ,
811 	},
812 };
813 
814 static struct platform_device da8xx_dsp = {
815 	.name	= "davinci-rproc",
816 	.dev	= {
817 		.coherent_dma_mask	= DMA_BIT_MASK(32),
818 	},
819 	.num_resources	= ARRAY_SIZE(da8xx_rproc_resources),
820 	.resource	= da8xx_rproc_resources,
821 };
822 
823 static bool rproc_mem_inited __initdata;
824 
825 #if IS_ENABLED(CONFIG_DA8XX_REMOTEPROC)
826 
827 static phys_addr_t rproc_base __initdata;
828 static unsigned long rproc_size __initdata;
829 
early_rproc_mem(char * p)830 static int __init early_rproc_mem(char *p)
831 {
832 	char *endp;
833 
834 	if (p == NULL)
835 		return 0;
836 
837 	rproc_size = memparse(p, &endp);
838 	if (*endp == '@')
839 		rproc_base = memparse(endp + 1, NULL);
840 
841 	return 0;
842 }
843 early_param("rproc_mem", early_rproc_mem);
844 
da8xx_rproc_reserve_cma(void)845 void __init da8xx_rproc_reserve_cma(void)
846 {
847 	int ret;
848 
849 	if (!rproc_base || !rproc_size) {
850 		pr_err("%s: 'rproc_mem=nn@address' badly specified\n"
851 		       "    'nn' and 'address' must both be non-zero\n",
852 		       __func__);
853 
854 		return;
855 	}
856 
857 	pr_info("%s: reserving 0x%lx @ 0x%lx...\n",
858 		__func__, rproc_size, (unsigned long)rproc_base);
859 
860 	ret = dma_declare_contiguous(&da8xx_dsp.dev, rproc_size, rproc_base, 0);
861 	if (ret)
862 		pr_err("%s: dma_declare_contiguous failed %d\n", __func__, ret);
863 	else
864 		rproc_mem_inited = true;
865 }
866 
867 #else
868 
da8xx_rproc_reserve_cma(void)869 void __init da8xx_rproc_reserve_cma(void)
870 {
871 }
872 
873 #endif
874 
da8xx_register_rproc(void)875 int __init da8xx_register_rproc(void)
876 {
877 	int ret;
878 
879 	if (!rproc_mem_inited) {
880 		pr_warn("%s: memory not reserved for DSP, not registering DSP device\n",
881 			__func__);
882 		return -ENOMEM;
883 	}
884 
885 	ret = platform_device_register(&da8xx_dsp);
886 	if (ret)
887 		pr_err("%s: can't register DSP device: %d\n", __func__, ret);
888 
889 	return ret;
890 };
891 
892 static struct resource da8xx_rtc_resources[] = {
893 	{
894 		.start		= DA8XX_RTC_BASE,
895 		.end		= DA8XX_RTC_BASE + SZ_4K - 1,
896 		.flags		= IORESOURCE_MEM,
897 	},
898 	{ /* timer irq */
899 		.start		= IRQ_DA8XX_RTC,
900 		.end		= IRQ_DA8XX_RTC,
901 		.flags		= IORESOURCE_IRQ,
902 	},
903 	{ /* alarm irq */
904 		.start		= IRQ_DA8XX_RTC,
905 		.end		= IRQ_DA8XX_RTC,
906 		.flags		= IORESOURCE_IRQ,
907 	},
908 };
909 
910 static struct platform_device da8xx_rtc_device = {
911 	.name           = "da830-rtc",
912 	.id             = -1,
913 	.num_resources	= ARRAY_SIZE(da8xx_rtc_resources),
914 	.resource	= da8xx_rtc_resources,
915 };
916 
da8xx_register_rtc(void)917 int da8xx_register_rtc(void)
918 {
919 	return platform_device_register(&da8xx_rtc_device);
920 }
921 
922 static void __iomem *da8xx_ddr2_ctlr_base;
da8xx_get_mem_ctlr(void)923 void __iomem * __init da8xx_get_mem_ctlr(void)
924 {
925 	if (da8xx_ddr2_ctlr_base)
926 		return da8xx_ddr2_ctlr_base;
927 
928 	da8xx_ddr2_ctlr_base = ioremap(DA8XX_DDR2_CTL_BASE, SZ_32K);
929 	if (!da8xx_ddr2_ctlr_base)
930 		pr_warn("%s: Unable to map DDR2 controller", __func__);
931 
932 	return da8xx_ddr2_ctlr_base;
933 }
934 
935 static struct resource da8xx_cpuidle_resources[] = {
936 	{
937 		.start		= DA8XX_DDR2_CTL_BASE,
938 		.end		= DA8XX_DDR2_CTL_BASE + SZ_32K - 1,
939 		.flags		= IORESOURCE_MEM,
940 	},
941 };
942 
943 /* DA8XX devices support DDR2 power down */
944 static struct davinci_cpuidle_config da8xx_cpuidle_pdata = {
945 	.ddr2_pdown	= 1,
946 };
947 
948 
949 static struct platform_device da8xx_cpuidle_device = {
950 	.name			= "cpuidle-davinci",
951 	.num_resources		= ARRAY_SIZE(da8xx_cpuidle_resources),
952 	.resource		= da8xx_cpuidle_resources,
953 	.dev = {
954 		.platform_data	= &da8xx_cpuidle_pdata,
955 	},
956 };
957 
da8xx_register_cpuidle(void)958 int __init da8xx_register_cpuidle(void)
959 {
960 	da8xx_cpuidle_pdata.ddr2_ctlr_base = da8xx_get_mem_ctlr();
961 
962 	return platform_device_register(&da8xx_cpuidle_device);
963 }
964 
965 static struct resource da8xx_spi0_resources[] = {
966 	[0] = {
967 		.start	= DA8XX_SPI0_BASE,
968 		.end	= DA8XX_SPI0_BASE + SZ_4K - 1,
969 		.flags	= IORESOURCE_MEM,
970 	},
971 	[1] = {
972 		.start	= IRQ_DA8XX_SPINT0,
973 		.end	= IRQ_DA8XX_SPINT0,
974 		.flags	= IORESOURCE_IRQ,
975 	},
976 };
977 
978 static struct resource da8xx_spi1_resources[] = {
979 	[0] = {
980 		.start	= DA830_SPI1_BASE,
981 		.end	= DA830_SPI1_BASE + SZ_4K - 1,
982 		.flags	= IORESOURCE_MEM,
983 	},
984 	[1] = {
985 		.start	= IRQ_DA8XX_SPINT1,
986 		.end	= IRQ_DA8XX_SPINT1,
987 		.flags	= IORESOURCE_IRQ,
988 	},
989 };
990 
991 static struct davinci_spi_platform_data da8xx_spi_pdata[] = {
992 	[0] = {
993 		.version	= SPI_VERSION_2,
994 		.intr_line	= 1,
995 		.dma_event_q	= EVENTQ_0,
996 		.prescaler_limit = 2,
997 	},
998 	[1] = {
999 		.version	= SPI_VERSION_2,
1000 		.intr_line	= 1,
1001 		.dma_event_q	= EVENTQ_0,
1002 		.prescaler_limit = 2,
1003 	},
1004 };
1005 
1006 static struct platform_device da8xx_spi_device[] = {
1007 	[0] = {
1008 		.name		= "spi_davinci",
1009 		.id		= 0,
1010 		.num_resources	= ARRAY_SIZE(da8xx_spi0_resources),
1011 		.resource	= da8xx_spi0_resources,
1012 		.dev		= {
1013 			.platform_data = &da8xx_spi_pdata[0],
1014 		},
1015 	},
1016 	[1] = {
1017 		.name		= "spi_davinci",
1018 		.id		= 1,
1019 		.num_resources	= ARRAY_SIZE(da8xx_spi1_resources),
1020 		.resource	= da8xx_spi1_resources,
1021 		.dev		= {
1022 			.platform_data = &da8xx_spi_pdata[1],
1023 		},
1024 	},
1025 };
1026 
da8xx_register_spi_bus(int instance,unsigned num_chipselect)1027 int __init da8xx_register_spi_bus(int instance, unsigned num_chipselect)
1028 {
1029 	if (instance < 0 || instance > 1)
1030 		return -EINVAL;
1031 
1032 	da8xx_spi_pdata[instance].num_chipselect = num_chipselect;
1033 
1034 	if (instance == 1 && cpu_is_davinci_da850()) {
1035 		da8xx_spi1_resources[0].start = DA850_SPI1_BASE;
1036 		da8xx_spi1_resources[0].end = DA850_SPI1_BASE + SZ_4K - 1;
1037 	}
1038 
1039 	return platform_device_register(&da8xx_spi_device[instance]);
1040 }
1041 
1042 #ifdef CONFIG_ARCH_DAVINCI_DA850
da850_register_sata_refclk(int rate)1043 int __init da850_register_sata_refclk(int rate)
1044 {
1045 	struct clk *clk;
1046 
1047 	clk = clk_register_fixed_rate(NULL, "sata_refclk", NULL, 0, rate);
1048 	if (IS_ERR(clk))
1049 		return PTR_ERR(clk);
1050 
1051 	return clk_register_clkdev(clk, "refclk", "ahci_da850");
1052 }
1053 
1054 static struct resource da850_sata_resources[] = {
1055 	{
1056 		.start	= DA850_SATA_BASE,
1057 		.end	= DA850_SATA_BASE + 0x1fff,
1058 		.flags	= IORESOURCE_MEM,
1059 	},
1060 	{
1061 		.start	= DA8XX_SYSCFG1_BASE + DA8XX_PWRDN_REG,
1062 		.end	= DA8XX_SYSCFG1_BASE + DA8XX_PWRDN_REG + 0x3,
1063 		.flags	= IORESOURCE_MEM,
1064 	},
1065 	{
1066 		.start	= IRQ_DA850_SATAINT,
1067 		.flags	= IORESOURCE_IRQ,
1068 	},
1069 };
1070 
1071 static u64 da850_sata_dmamask = DMA_BIT_MASK(32);
1072 
1073 static struct platform_device da850_sata_device = {
1074 	.name	= "ahci_da850",
1075 	.id	= -1,
1076 	.dev	= {
1077 		.dma_mask		= &da850_sata_dmamask,
1078 		.coherent_dma_mask	= DMA_BIT_MASK(32),
1079 	},
1080 	.num_resources	= ARRAY_SIZE(da850_sata_resources),
1081 	.resource	= da850_sata_resources,
1082 };
1083 
da850_register_sata(unsigned long refclkpn)1084 int __init da850_register_sata(unsigned long refclkpn)
1085 {
1086 	int ret;
1087 
1088 	ret = da850_register_sata_refclk(refclkpn);
1089 	if (ret)
1090 		return ret;
1091 
1092 	return platform_device_register(&da850_sata_device);
1093 }
1094 #endif
1095 
1096 static struct regmap *da8xx_cfgchip;
1097 
1098 static const struct regmap_config da8xx_cfgchip_config __initconst = {
1099 	.name		= "cfgchip",
1100 	.reg_bits	= 32,
1101 	.val_bits	= 32,
1102 	.reg_stride	= 4,
1103 	.max_register	= DA8XX_CFGCHIP4_REG - DA8XX_CFGCHIP0_REG,
1104 };
1105 
1106 /**
1107  * da8xx_get_cfgchip - Lazy gets CFGCHIP as regmap
1108  *
1109  * This is for use on non-DT boards only. For DT boards, use
1110  * syscon_regmap_lookup_by_compatible("ti,da830-cfgchip")
1111  *
1112  * Returns: Pointer to the CFGCHIP regmap or negative error code.
1113  */
da8xx_get_cfgchip(void)1114 struct regmap * __init da8xx_get_cfgchip(void)
1115 {
1116 	if (IS_ERR_OR_NULL(da8xx_cfgchip))
1117 		da8xx_cfgchip = regmap_init_mmio(NULL,
1118 					DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG),
1119 					&da8xx_cfgchip_config);
1120 
1121 	return da8xx_cfgchip;
1122 }
1123