| cpuinfo.c (a89988a6e00c5a099ee23619cd91dc8dc7ec9328) | cpuinfo.c (23460839b983d5d8d47fe90f341599f66523dd81) |
|---|---|
| 1/* 2 * Copyright (C) 2013 Altera Corporation 3 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> 4 * 5 * Based on cpuinfo.c from microblaze 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by --- 53 unchanged lines hidden (view full) --- 62 if (str) 63 strlcpy(cpuinfo.cpu_impl, str, sizeof(cpuinfo.cpu_impl)); 64 else 65 strcpy(cpuinfo.cpu_impl, "<unknown>"); 66 67 cpuinfo.has_div = of_property_read_bool(cpu, "altr,has-div"); 68 cpuinfo.has_mul = of_property_read_bool(cpu, "altr,has-mul"); 69 cpuinfo.has_mulx = of_property_read_bool(cpu, "altr,has-mulx"); | 1/* 2 * Copyright (C) 2013 Altera Corporation 3 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch> 4 * 5 * Based on cpuinfo.c from microblaze 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by --- 53 unchanged lines hidden (view full) --- 62 if (str) 63 strlcpy(cpuinfo.cpu_impl, str, sizeof(cpuinfo.cpu_impl)); 64 else 65 strcpy(cpuinfo.cpu_impl, "<unknown>"); 66 67 cpuinfo.has_div = of_property_read_bool(cpu, "altr,has-div"); 68 cpuinfo.has_mul = of_property_read_bool(cpu, "altr,has-mul"); 69 cpuinfo.has_mulx = of_property_read_bool(cpu, "altr,has-mulx"); |
| 70 cpuinfo.has_bmx = of_property_read_bool(cpu, "altr,has-bmx"); |
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| 70 cpuinfo.mmu = of_property_read_bool(cpu, "altr,has-mmu"); 71 72 if (IS_ENABLED(CONFIG_NIOS2_HW_DIV_SUPPORT) && !cpuinfo.has_div) 73 err_cpu("DIV"); 74 75 if (IS_ENABLED(CONFIG_NIOS2_HW_MUL_SUPPORT) && !cpuinfo.has_mul) 76 err_cpu("MUL"); 77 78 if (IS_ENABLED(CONFIG_NIOS2_HW_MULX_SUPPORT) && !cpuinfo.has_mulx) 79 err_cpu("MULX"); 80 | 71 cpuinfo.mmu = of_property_read_bool(cpu, "altr,has-mmu"); 72 73 if (IS_ENABLED(CONFIG_NIOS2_HW_DIV_SUPPORT) && !cpuinfo.has_div) 74 err_cpu("DIV"); 75 76 if (IS_ENABLED(CONFIG_NIOS2_HW_MUL_SUPPORT) && !cpuinfo.has_mul) 77 err_cpu("MUL"); 78 79 if (IS_ENABLED(CONFIG_NIOS2_HW_MULX_SUPPORT) && !cpuinfo.has_mulx) 80 err_cpu("MULX"); 81 |
| 82 if (IS_ENABLED(CONFIG_NIOS2_BMX_SUPPORT) && !cpuinfo.has_bmx) 83 err_cpu("BMX"); 84 |
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| 81 cpuinfo.tlb_num_ways = fcpu(cpu, "altr,tlb-num-ways"); 82 if (!cpuinfo.tlb_num_ways) 83 panic("altr,tlb-num-ways can't be 0. Please check your hardware " 84 "system\n"); 85 cpuinfo.icache_line_size = fcpu(cpu, "icache-line-size"); 86 cpuinfo.icache_size = fcpu(cpu, "icache-size"); 87 if (CONFIG_NIOS2_ICACHE_SIZE != cpuinfo.icache_size) 88 pr_warn("Warning: icache size configuration mismatch " --- 49 unchanged lines hidden (view full) --- 138 (loops_per_jiffy * HZ) / 500000, 139 ((loops_per_jiffy * HZ) / 5000) % 100, 140 (loops_per_jiffy * HZ)); 141 142 seq_printf(m, 143 "HW:\n" 144 " MUL:\t\t%s\n" 145 " MULX:\t\t%s\n" | 85 cpuinfo.tlb_num_ways = fcpu(cpu, "altr,tlb-num-ways"); 86 if (!cpuinfo.tlb_num_ways) 87 panic("altr,tlb-num-ways can't be 0. Please check your hardware " 88 "system\n"); 89 cpuinfo.icache_line_size = fcpu(cpu, "icache-line-size"); 90 cpuinfo.icache_size = fcpu(cpu, "icache-size"); 91 if (CONFIG_NIOS2_ICACHE_SIZE != cpuinfo.icache_size) 92 pr_warn("Warning: icache size configuration mismatch " --- 49 unchanged lines hidden (view full) --- 142 (loops_per_jiffy * HZ) / 500000, 143 ((loops_per_jiffy * HZ) / 5000) % 100, 144 (loops_per_jiffy * HZ)); 145 146 seq_printf(m, 147 "HW:\n" 148 " MUL:\t\t%s\n" 149 " MULX:\t\t%s\n" |
| 146 " DIV:\t\t%s\n", | 150 " DIV:\t\t%s\n" 151 " BMX:\t\t%s\n", |
| 147 cpuinfo.has_mul ? "yes" : "no", 148 cpuinfo.has_mulx ? "yes" : "no", | 152 cpuinfo.has_mul ? "yes" : "no", 153 cpuinfo.has_mulx ? "yes" : "no", |
| 149 cpuinfo.has_div ? "yes" : "no"); | 154 cpuinfo.has_div ? "yes" : "no", 155 cpuinfo.has_bmx ? "yes" : "no"); |
| 150 151 seq_printf(m, 152 "Icache:\t\t%ukB, line length: %u\n", 153 cpuinfo.icache_size >> 10, 154 cpuinfo.icache_line_size); 155 156 seq_printf(m, 157 "Dcache:\t\t%ukB, line length: %u\n", --- 37 unchanged lines hidden --- | 156 157 seq_printf(m, 158 "Icache:\t\t%ukB, line length: %u\n", 159 cpuinfo.icache_size >> 10, 160 cpuinfo.icache_line_size); 161 162 seq_printf(m, 163 "Dcache:\t\t%ukB, line length: %u\n", --- 37 unchanged lines hidden --- |