1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2014-2016 Glider bvba
21 	.name	= "R-Car Gen1",
22 	.reg	= 0xff000044,		/* PRR (Product Register) */
26 	.name	= "R-Car Gen2",
27 	.reg	= 0xff000044,		/* PRR (Product Register) */
31 	.name	= "R-Car Gen3",
32 	.reg	= 0xfff00044,		/* PRR (Product Register) */
36 	.name	= "R-Car Gen4",
40 	.name	= "R-Mobile",
58 	.reg	= 0xff000044,		/* PRR (Product Register) */
63 	.reg	= 0xfff00044,		/* PRR (Product Register) */
91 	.name	= "SH-Mobile",
97 	u32 id;  member
106 	.id	= 0x3b,
111 	.id	= 0x3f,
116 	.id	= 0x40,
121 	.id     = 0x847c447,
126 	.id	= 0x45,
131 	.id	= 0x47,
136 	.id	= 0x4b,
141 	.id	= 0x4c,
146 	.id	= 0x53,
151 	.id	= 0x52,
156 	.id     = 0x55,
161 	.id	= 0x57,
166 	.id	= 0x4f,
171 	.id     = 0x841c447,
176 	.id     = 0x8450447,
181 	.id	= 0x85e0447,
186 	.id     = 0x847a447,
191 	.id     = 0x8447447,
204 	.id	= 0x3b,
209 	.id	= 0x45,
214 	.id	= 0x47,
219 	.id	= 0x4a,
224 	.id	= 0x4b,
229 	.id	= 0x4c,
234 	.id	= 0x4f,
239 	.id	= 0x52,
244 	.id     = 0x55,
249 	.id	= 0x54,
254 	.id	= 0x56,
259 	.id	= 0x57,
264 	.id	= 0x58,
269 	.id	= 0x59,
274 	.id	= 0x5a,
279 	.id	= 0x5c,
284 	.id     = 0x5d,
289 	.id	= 0x37,
464 	{ .compatible = "renesas,r9a07g043-sysc",	.data = &id_rzg2l },
465 	{ .compatible = "renesas,r9a07g044-sysc",	.data = &id_rzg2l },
466 	{ .compatible = "renesas,r9a07g054-sysc",	.data = &id_rzg2l },
467 	{ .compatible = "renesas,r9a08g045-sysc",	.data = &id_rzg2l },
468 	{ .compatible = "renesas,r9a09g011-sys",	.data = &id_rzv2m },
469 	{ .compatible = "renesas,r9a09g057-sys",	.data = &id_rzv2h },
477 	unsigned int product, eshi = 0, eslo;  in renesas_soc_init()  local
481 	const struct renesas_id *id;  in renesas_soc_init()  local
491 		return -ENODEV;  in renesas_soc_init()
493 	soc_id = strchr(match->compatible, ',') + 1;  in renesas_soc_init()
494 	soc = match->data;  in renesas_soc_init()
495 	family = soc->family;  in renesas_soc_init()
499 		id = match->data;  in renesas_soc_init()
502 	} else if (soc->id && family->reg) {  in renesas_soc_init()
504 		id = &id_prr;  in renesas_soc_init()
505 		chipid = ioremap(family->reg, 4);  in renesas_soc_init()
512 		return -ENOMEM;  in renesas_soc_init()
515 	soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL);  in renesas_soc_init()
516 	soc_dev_attr->soc_id = kstrdup_const(soc_id, GFP_KERNEL);  in renesas_soc_init()
519 		product = readl(chipid + id->offset);  in renesas_soc_init()
522 		if (id == &id_prr) {  in renesas_soc_init()
523 			/* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */  in renesas_soc_init()
524 			if ((product & 0x7fff) == 0x5210)  in renesas_soc_init()
525 				product ^= 0x11;  in renesas_soc_init()
526 			/* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */  in renesas_soc_init()
527 			if ((product & 0x7fff) == 0x5211)  in renesas_soc_init()
528 				product ^= 0x12;  in renesas_soc_init()
530 			eshi = ((product >> 4) & 0x0f) + 1;  in renesas_soc_init()
531 			eslo = product & 0xf;  in renesas_soc_init()
532 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u",  in renesas_soc_init()
534 		}  else if (id == &id_rzg2l || id == &id_rzv2h) {  in renesas_soc_init()
535 			eshi =  ((product >> 28) & 0x0f);  in renesas_soc_init()
536 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u",  in renesas_soc_init()
539 		} else if (id == &id_rzv2m) {  in renesas_soc_init()
540 			eshi = ((product >> 4) & 0x0f);  in renesas_soc_init()
541 			eslo = product & 0xf;  in renesas_soc_init()
542 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",  in renesas_soc_init()
546 		if (soc->id &&  in renesas_soc_init()
547 		    ((product & id->mask) >> __ffs(id->mask)) != soc->id) {  in renesas_soc_init()
548 			pr_warn("SoC mismatch (product = 0x%x)\n", product);  in renesas_soc_init()
549 			ret = -ENODEV;  in renesas_soc_init()
554 	pr_info("Detected Renesas %s %s %s%s\n", soc_dev_attr->family,  in renesas_soc_init()
555 		soc_dev_attr->soc_id, rev_prefix, soc_dev_attr->revision ?: "");  in renesas_soc_init()
566 	kfree(soc_dev_attr->revision);  in renesas_soc_init()
567 	kfree_const(soc_dev_attr->soc_id);  in renesas_soc_init()
568 	kfree_const(soc_dev_attr->family);  in renesas_soc_init()