1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 2e27d6c7dSMasahiro Yamada /* 3e27d6c7dSMasahiro Yamada * Copyright (C) 2013-2014 Panasonic Corporation 4e27d6c7dSMasahiro Yamada * Copyright (C) 2015-2017 Socionext Inc. 5e27d6c7dSMasahiro Yamada * Author: Masahiro Yamada <yamada.masahiro@socionext.com> 6e27d6c7dSMasahiro Yamada */ 7e27d6c7dSMasahiro Yamada 8dd74b945SMasahiro Yamada #include <stdio.h> 9e27d6c7dSMasahiro Yamada #include <linux/errno.h> 10e27d6c7dSMasahiro Yamada #include <linux/io.h> 11dd74b945SMasahiro Yamada #include <linux/printk.h> 12e27d6c7dSMasahiro Yamada 13e27d6c7dSMasahiro Yamada #include "soc-info.h" 14e27d6c7dSMasahiro Yamada 15e27d6c7dSMasahiro Yamada int print_cpuinfo(void) 16e27d6c7dSMasahiro Yamada { 17e27d6c7dSMasahiro Yamada unsigned int id, model, rev, required_model = 1, required_rev = 1; 18e27d6c7dSMasahiro Yamada 19e27d6c7dSMasahiro Yamada id = uniphier_get_soc_id(); 20e27d6c7dSMasahiro Yamada model = uniphier_get_soc_model(); 21e27d6c7dSMasahiro Yamada rev = uniphier_get_soc_revision(); 22e27d6c7dSMasahiro Yamada 23b8faf5f1SMasahiro Yamada puts("SoC: "); 24e27d6c7dSMasahiro Yamada 25e27d6c7dSMasahiro Yamada switch (id) { 26e27d6c7dSMasahiro Yamada case UNIPHIER_LD4_ID: 27b8faf5f1SMasahiro Yamada puts("LD4"); 28e27d6c7dSMasahiro Yamada required_rev = 2; 29e27d6c7dSMasahiro Yamada break; 30e27d6c7dSMasahiro Yamada case UNIPHIER_PRO4_ID: 31b8faf5f1SMasahiro Yamada puts("Pro4"); 32e27d6c7dSMasahiro Yamada break; 33e27d6c7dSMasahiro Yamada case UNIPHIER_SLD8_ID: 34b8faf5f1SMasahiro Yamada puts("sLD8"); 35e27d6c7dSMasahiro Yamada break; 36e27d6c7dSMasahiro Yamada case UNIPHIER_PRO5_ID: 37b8faf5f1SMasahiro Yamada puts("Pro5"); 38e27d6c7dSMasahiro Yamada break; 39e27d6c7dSMasahiro Yamada case UNIPHIER_PXS2_ID: 40b8faf5f1SMasahiro Yamada puts("PXs2"); 41e27d6c7dSMasahiro Yamada break; 42e27d6c7dSMasahiro Yamada case UNIPHIER_LD6B_ID: 43b8faf5f1SMasahiro Yamada puts("LD6b"); 44e27d6c7dSMasahiro Yamada break; 45e27d6c7dSMasahiro Yamada case UNIPHIER_LD11_ID: 46b8faf5f1SMasahiro Yamada puts("LD11"); 47e27d6c7dSMasahiro Yamada break; 48e27d6c7dSMasahiro Yamada case UNIPHIER_LD20_ID: 49b8faf5f1SMasahiro Yamada puts("LD20"); 50e27d6c7dSMasahiro Yamada break; 512c2ab3d4SMasahiro Yamada case UNIPHIER_PXS3_ID: 522c2ab3d4SMasahiro Yamada puts("PXs3"); 532c2ab3d4SMasahiro Yamada break; 54e27d6c7dSMasahiro Yamada default: 55e27d6c7dSMasahiro Yamada printf("Unknown Processor ID (0x%x)\n", id); 56e27d6c7dSMasahiro Yamada return -ENOTSUPP; 57e27d6c7dSMasahiro Yamada } 58e27d6c7dSMasahiro Yamada 59b8faf5f1SMasahiro Yamada printf(" (model %d, revision %d)\n", model, rev); 60e27d6c7dSMasahiro Yamada 61e27d6c7dSMasahiro Yamada if (model < required_model) { 62dd74b945SMasahiro Yamada pr_err("Only model %d or newer is supported.\n", 63e27d6c7dSMasahiro Yamada required_model); 64e27d6c7dSMasahiro Yamada return -ENOTSUPP; 65e27d6c7dSMasahiro Yamada } else if (rev < required_rev) { 66dd74b945SMasahiro Yamada pr_err("Only revision %d or newer is supported.\n", 67e27d6c7dSMasahiro Yamada required_rev); 68e27d6c7dSMasahiro Yamada return -ENOTSUPP; 69e27d6c7dSMasahiro Yamada } 70e27d6c7dSMasahiro Yamada 71e27d6c7dSMasahiro Yamada return 0; 72e27d6c7dSMasahiro Yamada } 73