1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2013-2014 Panasonic Corporation
3*4882a593Smuzhiyun * Copyright (C) 2015-2017 Socionext Inc.
4*4882a593Smuzhiyun * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <common.h>
10*4882a593Smuzhiyun #include <linux/errno.h>
11*4882a593Smuzhiyun #include <linux/io.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include "soc-info.h"
14*4882a593Smuzhiyun
print_cpuinfo(void)15*4882a593Smuzhiyun int print_cpuinfo(void)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun unsigned int id, model, rev, required_model = 1, required_rev = 1;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun id = uniphier_get_soc_id();
20*4882a593Smuzhiyun model = uniphier_get_soc_model();
21*4882a593Smuzhiyun rev = uniphier_get_soc_revision();
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun puts("SoC: ");
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun switch (id) {
26*4882a593Smuzhiyun case UNIPHIER_LD4_ID:
27*4882a593Smuzhiyun puts("LD4");
28*4882a593Smuzhiyun required_rev = 2;
29*4882a593Smuzhiyun break;
30*4882a593Smuzhiyun case UNIPHIER_PRO4_ID:
31*4882a593Smuzhiyun puts("Pro4");
32*4882a593Smuzhiyun break;
33*4882a593Smuzhiyun case UNIPHIER_SLD8_ID:
34*4882a593Smuzhiyun puts("sLD8");
35*4882a593Smuzhiyun break;
36*4882a593Smuzhiyun case UNIPHIER_PRO5_ID:
37*4882a593Smuzhiyun puts("Pro5");
38*4882a593Smuzhiyun break;
39*4882a593Smuzhiyun case UNIPHIER_PXS2_ID:
40*4882a593Smuzhiyun puts("PXs2");
41*4882a593Smuzhiyun break;
42*4882a593Smuzhiyun case UNIPHIER_LD6B_ID:
43*4882a593Smuzhiyun puts("LD6b");
44*4882a593Smuzhiyun break;
45*4882a593Smuzhiyun case UNIPHIER_LD11_ID:
46*4882a593Smuzhiyun puts("LD11");
47*4882a593Smuzhiyun break;
48*4882a593Smuzhiyun case UNIPHIER_LD20_ID:
49*4882a593Smuzhiyun puts("LD20");
50*4882a593Smuzhiyun break;
51*4882a593Smuzhiyun case UNIPHIER_PXS3_ID:
52*4882a593Smuzhiyun puts("PXs3");
53*4882a593Smuzhiyun break;
54*4882a593Smuzhiyun default:
55*4882a593Smuzhiyun printf("Unknown Processor ID (0x%x)\n", id);
56*4882a593Smuzhiyun return -ENOTSUPP;
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun
59*4882a593Smuzhiyun printf(" (model %d, revision %d)\n", model, rev);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun if (model < required_model) {
62*4882a593Smuzhiyun printf("Only model %d or newer is supported.\n",
63*4882a593Smuzhiyun required_model);
64*4882a593Smuzhiyun return -ENOTSUPP;
65*4882a593Smuzhiyun } else if (rev < required_rev) {
66*4882a593Smuzhiyun printf("Only revision %d or newer is supported.\n",
67*4882a593Smuzhiyun required_rev);
68*4882a593Smuzhiyun return -ENOTSUPP;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun return 0;
72*4882a593Smuzhiyun }
73