1*e27d6c7dSMasahiro Yamada /* 2*e27d6c7dSMasahiro Yamada * Copyright (C) 2013-2014 Panasonic Corporation 3*e27d6c7dSMasahiro Yamada * Copyright (C) 2015-2017 Socionext Inc. 4*e27d6c7dSMasahiro Yamada * Author: Masahiro Yamada <yamada.masahiro@socionext.com> 5*e27d6c7dSMasahiro Yamada * 6*e27d6c7dSMasahiro Yamada * SPDX-License-Identifier: GPL-2.0+ 7*e27d6c7dSMasahiro Yamada */ 8*e27d6c7dSMasahiro Yamada 9*e27d6c7dSMasahiro Yamada #include <common.h> 10*e27d6c7dSMasahiro Yamada #include <linux/errno.h> 11*e27d6c7dSMasahiro Yamada #include <linux/io.h> 12*e27d6c7dSMasahiro Yamada 13*e27d6c7dSMasahiro Yamada #include "soc-info.h" 14*e27d6c7dSMasahiro Yamada 15*e27d6c7dSMasahiro Yamada int print_cpuinfo(void) 16*e27d6c7dSMasahiro Yamada { 17*e27d6c7dSMasahiro Yamada unsigned int id, model, rev, required_model = 1, required_rev = 1; 18*e27d6c7dSMasahiro Yamada 19*e27d6c7dSMasahiro Yamada id = uniphier_get_soc_id(); 20*e27d6c7dSMasahiro Yamada model = uniphier_get_soc_model(); 21*e27d6c7dSMasahiro Yamada rev = uniphier_get_soc_revision(); 22*e27d6c7dSMasahiro Yamada 23*e27d6c7dSMasahiro Yamada puts("CPU: "); 24*e27d6c7dSMasahiro Yamada 25*e27d6c7dSMasahiro Yamada switch (id) { 26*e27d6c7dSMasahiro Yamada case UNIPHIER_SLD3_ID: 27*e27d6c7dSMasahiro Yamada puts("sLD3 (MN2WS0220)"); 28*e27d6c7dSMasahiro Yamada required_model = 2; 29*e27d6c7dSMasahiro Yamada break; 30*e27d6c7dSMasahiro Yamada case UNIPHIER_LD4_ID: 31*e27d6c7dSMasahiro Yamada puts("LD4 (MN2WS0250)"); 32*e27d6c7dSMasahiro Yamada required_rev = 2; 33*e27d6c7dSMasahiro Yamada break; 34*e27d6c7dSMasahiro Yamada case UNIPHIER_PRO4_ID: 35*e27d6c7dSMasahiro Yamada puts("Pro4 (MN2WS0230)"); 36*e27d6c7dSMasahiro Yamada break; 37*e27d6c7dSMasahiro Yamada case UNIPHIER_SLD8_ID: 38*e27d6c7dSMasahiro Yamada puts("sLD8 (MN2WS0270)"); 39*e27d6c7dSMasahiro Yamada break; 40*e27d6c7dSMasahiro Yamada case UNIPHIER_PRO5_ID: 41*e27d6c7dSMasahiro Yamada puts("Pro5 (MN2WS0300)"); 42*e27d6c7dSMasahiro Yamada break; 43*e27d6c7dSMasahiro Yamada case UNIPHIER_PXS2_ID: 44*e27d6c7dSMasahiro Yamada puts("PXs2 (MN2WS0310)"); 45*e27d6c7dSMasahiro Yamada break; 46*e27d6c7dSMasahiro Yamada case UNIPHIER_LD6B_ID: 47*e27d6c7dSMasahiro Yamada puts("LD6b (MN2WS0320)"); 48*e27d6c7dSMasahiro Yamada break; 49*e27d6c7dSMasahiro Yamada case UNIPHIER_LD11_ID: 50*e27d6c7dSMasahiro Yamada puts("LD11 (SC1405AP1)"); 51*e27d6c7dSMasahiro Yamada break; 52*e27d6c7dSMasahiro Yamada case UNIPHIER_LD20_ID: 53*e27d6c7dSMasahiro Yamada puts("LD20 (SC1401AJ1)"); 54*e27d6c7dSMasahiro Yamada break; 55*e27d6c7dSMasahiro Yamada default: 56*e27d6c7dSMasahiro Yamada printf("Unknown Processor ID (0x%x)\n", id); 57*e27d6c7dSMasahiro Yamada return -ENOTSUPP; 58*e27d6c7dSMasahiro Yamada } 59*e27d6c7dSMasahiro Yamada 60*e27d6c7dSMasahiro Yamada printf(" model %d (revision %d)\n", model, rev); 61*e27d6c7dSMasahiro Yamada 62*e27d6c7dSMasahiro Yamada if (model < required_model) { 63*e27d6c7dSMasahiro Yamada printf("Only model %d or newer is supported.\n", 64*e27d6c7dSMasahiro Yamada required_model); 65*e27d6c7dSMasahiro Yamada return -ENOTSUPP; 66*e27d6c7dSMasahiro Yamada } else if (rev < required_rev) { 67*e27d6c7dSMasahiro Yamada printf("Only revision %d or newer is supported.\n", 68*e27d6c7dSMasahiro Yamada required_rev); 69*e27d6c7dSMasahiro Yamada return -ENOTSUPP; 70*e27d6c7dSMasahiro Yamada } 71*e27d6c7dSMasahiro Yamada 72*e27d6c7dSMasahiro Yamada return 0; 73*e27d6c7dSMasahiro Yamada } 74