1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2014-2016 Glider bvba
16 	const char name[16];  member
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",
45 	.name	= "RZ/A1",
49 	.name	= "RZ/A2",
53 	.name	= "RZ/Five",
57 	.name	= "RZ/G1",
58 	.reg	= 0xff000044,		/* PRR (Product Register) */
62 	.name	= "RZ/G2",
63 	.reg	= 0xfff00044,		/* PRR (Product Register) */
67 	.name	= "RZ/G2L",
71 	.name	= "RZ/G2UL",
75 	.name	= "RZ/V2L",
79 	.name	= "RZ/V2M",
83 	.name	= "SH-Mobile",
434 	{ .compatible = "renesas,r9a07g043-sysc",	.data = &id_rzg2l },
435 	{ .compatible = "renesas,r9a07g044-sysc",	.data = &id_rzg2l },
436 	{ .compatible = "renesas,r9a07g054-sysc",	.data = &id_rzg2l },
437 	{ .compatible = "renesas,r9a08g045-sysc",	.data = &id_rzg2l },
438 	{ .compatible = "renesas,r9a09g011-sys",	.data = &id_rzv2m },
446 	unsigned int product, eshi = 0, eslo;  in renesas_soc_init()  local
460 		return -ENODEV;  in renesas_soc_init()
462 	soc_id = strchr(match->compatible, ',') + 1;  in renesas_soc_init()
463 	soc = match->data;  in renesas_soc_init()
464 	family = soc->family;  in renesas_soc_init()
468 		id = match->data;  in renesas_soc_init()
471 	} else if (soc->id && family->reg) {  in renesas_soc_init()
474 		chipid = ioremap(family->reg, 4);  in renesas_soc_init()
481 		return -ENOMEM;  in renesas_soc_init()
484 	soc_dev_attr->family = kstrdup_const(family->name, GFP_KERNEL);  in renesas_soc_init()
485 	soc_dev_attr->soc_id = kstrdup_const(soc_id, GFP_KERNEL);  in renesas_soc_init()
488 		product = readl(chipid + id->offset);  in renesas_soc_init()
492 			/* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */  in renesas_soc_init()
493 			if ((product & 0x7fff) == 0x5210)  in renesas_soc_init()
494 				product ^= 0x11;  in renesas_soc_init()
495 			/* R-Car M3-W ES1.3 incorrectly identifies as ES2.1 */  in renesas_soc_init()
496 			if ((product & 0x7fff) == 0x5211)  in renesas_soc_init()
497 				product ^= 0x12;  in renesas_soc_init()
499 			eshi = ((product >> 4) & 0x0f) + 1;  in renesas_soc_init()
500 			eslo = product & 0xf;  in renesas_soc_init()
501 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "ES%u.%u",  in renesas_soc_init()
504 			eshi =  ((product >> 28) & 0x0f);  in renesas_soc_init()
505 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u",  in renesas_soc_init()
509 			eshi = ((product >> 4) & 0x0f);  in renesas_soc_init()
510 			eslo = product & 0xf;  in renesas_soc_init()
511 			soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%u.%u",  in renesas_soc_init()
515 		if (soc->id &&  in renesas_soc_init()
516 		    ((product & id->mask) >> __ffs(id->mask)) != soc->id) {  in renesas_soc_init()
517 			pr_warn("SoC mismatch (product = 0x%x)\n", product);  in renesas_soc_init()
518 			ret = -ENODEV;  in renesas_soc_init()
523 	pr_info("Detected Renesas %s %s %s%s\n", soc_dev_attr->family,  in renesas_soc_init()
524 		soc_dev_attr->soc_id, rev_prefix, soc_dev_attr->revision ?: "");  in renesas_soc_init()
535 	kfree(soc_dev_attr->revision);  in renesas_soc_init()
536 	kfree_const(soc_dev_attr->soc_id);  in renesas_soc_init()
537 	kfree_const(soc_dev_attr->family);  in renesas_soc_init()