1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2014-2016 Glider bvba
17 	const char name[16];  member
22 	.name	= "R-Car Gen1",
23 	.reg	= 0xff000044,		/* PRR (Product Register) */
27 	.name	= "R-Car Gen2",
28 	.reg	= 0xff000044,		/* PRR (Product Register) */
32 	.name	= "R-Car Gen3",
33 	.reg	= 0xfff00044,		/* PRR (Product Register) */
37 	.name	= "R-Car Gen4",
41 	.name	= "R-Mobile",
46 	.name	= "RZ/A1",
50 	.name	= "RZ/A2",
54 	.name	= "RZ/Five",
58 	.name	= "RZ/G1",
59 	.reg	= 0xff000044,		/* PRR (Product Register) */
63 	.name	= "RZ/G2",
64 	.reg	= 0xfff00044,		/* PRR (Product Register) */
68 	.name	= "RZ/G2L",
72 	.name	= "RZ/G2UL",
76 	.name	= "RZ/V2L",
80 	.name	= "RZ/V2M",
84 	.name	= "SH-Mobile",
429 	{ .compatible = "renesas,r9a07g043-sysc",	.data = &id_rzg2l },
430 	{ .compatible = "renesas,r9a07g044-sysc",	.data = &id_rzg2l },
431 	{ .compatible = "renesas,r9a07g054-sysc",	.data = &id_rzg2l },
432 	{ .compatible = "renesas,r9a09g011-sys",	.data = &id_rzv2m },
440 	unsigned int product, eshi = 0, eslo;  in renesas_soc_init()  local
454 		return -ENODEV;  in renesas_soc_init()
456 	soc_id = strchr(match->compatible, ',') + 1;  in renesas_soc_init()
457 	soc = match->data;  in renesas_soc_init()
458 	family = soc->family;  in renesas_soc_init()
462 		id = match->data;  in renesas_soc_init()
465 	} else if (soc->id && family->reg) {  in renesas_soc_init()
468 		chipid = ioremap(family->reg, 4);  in renesas_soc_init()
475 		return -ENOMEM;  in renesas_soc_init()
479 	of_property_read_string(np, "model", &soc_dev_attr->machine);  in renesas_soc_init()
482 	soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL);  in renesas_soc_init()
483 	soc_dev_attr->soc_id = kstrdup_const(soc_id, GFP_KERNEL);  in renesas_soc_init()
486 		product = readl(chipid + id->offset);  in renesas_soc_init()
490 			/* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */  in renesas_soc_init()
491 			if ((product & 0x7fff) == 0x5210)  in renesas_soc_init()
492 				product ^= 0x11;  in renesas_soc_init()
493 			/* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */  in renesas_soc_init()
494 			if ((product & 0x7fff) == 0x5211)  in renesas_soc_init()
495 				product ^= 0x12;  in renesas_soc_init()
497 			eshi = ((product >> 4) & 0x0f) + 1;  in renesas_soc_init()
498 			eslo = product & 0xf;  in renesas_soc_init()
499 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u",  in renesas_soc_init()
502 			eshi =  ((product >> 28) & 0x0f);  in renesas_soc_init()
503 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u",  in renesas_soc_init()
507 			eshi = ((product >> 4) & 0x0f);  in renesas_soc_init()
508 			eslo = product & 0xf;  in renesas_soc_init()
509 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",  in renesas_soc_init()
513 		if (soc->id &&  in renesas_soc_init()
514 		    ((product & id->mask) >> __ffs(id->mask)) != soc->id) {  in renesas_soc_init()
515 			pr_warn("SoC mismatch (product = 0x%x)\n", product);  in renesas_soc_init()
516 			ret = -ENODEV;  in renesas_soc_init()
521 	pr_info("Detected Renesas %s %s %s%s\n", soc_dev_attr->family,  in renesas_soc_init()
522 		soc_dev_attr->soc_id, rev_prefix, soc_dev_attr->revision ?: "");  in renesas_soc_init()
533 	kfree(soc_dev_attr->revision);  in renesas_soc_init()
534 	kfree_const(soc_dev_attr->soc_id);  in renesas_soc_init()
535 	kfree_const(soc_dev_attr->family);  in renesas_soc_init()