1 /*
2  * Copyright (C) 2013-2014 Panasonic Corporation
3  * Copyright (C) 2015-2017 Socionext Inc.
4  *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <linux/errno.h>
11 #include <linux/io.h>
12 
13 #include "soc-info.h"
14 
15 int print_cpuinfo(void)
16 {
17 	unsigned int id, model, rev, required_model = 1, required_rev = 1;
18 
19 	id = uniphier_get_soc_id();
20 	model = uniphier_get_soc_model();
21 	rev = uniphier_get_soc_revision();
22 
23 	puts("CPU:   ");
24 
25 	switch (id) {
26 	case UNIPHIER_SLD3_ID:
27 		puts("sLD3 (MN2WS0220)");
28 		required_model = 2;
29 		break;
30 	case UNIPHIER_LD4_ID:
31 		puts("LD4 (MN2WS0250)");
32 		required_rev = 2;
33 		break;
34 	case UNIPHIER_PRO4_ID:
35 		puts("Pro4 (MN2WS0230)");
36 		break;
37 	case UNIPHIER_SLD8_ID:
38 		puts("sLD8 (MN2WS0270)");
39 		break;
40 	case UNIPHIER_PRO5_ID:
41 		puts("Pro5 (MN2WS0300)");
42 		break;
43 	case UNIPHIER_PXS2_ID:
44 		puts("PXs2 (MN2WS0310)");
45 		break;
46 	case UNIPHIER_LD6B_ID:
47 		puts("LD6b (MN2WS0320)");
48 		break;
49 	case UNIPHIER_LD11_ID:
50 		puts("LD11 (SC1405AP1)");
51 		break;
52 	case UNIPHIER_LD20_ID:
53 		puts("LD20 (SC1401AJ1)");
54 		break;
55 	case UNIPHIER_PXS3_ID:
56 		puts("PXs3");
57 		break;
58 	default:
59 		printf("Unknown Processor ID (0x%x)\n", id);
60 		return -ENOTSUPP;
61 	}
62 
63 	printf(" model %d (revision %d)\n", model, rev);
64 
65 	if (model < required_model) {
66 		printf("Only model %d or newer is supported.\n",
67 		       required_model);
68 		return -ENOTSUPP;
69 	} else if (rev < required_rev) {
70 		printf("Only revision %d or newer is supported.\n",
71 		       required_rev);
72 		return -ENOTSUPP;
73 	}
74 
75 	return 0;
76 }
77