1 /* 2 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> 3 * Copyright (C) 2007-2009 PetaLogix 4 * Copyright (C) 2007 John Williams <john.williams@petalogix.com> 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file "COPYING" in the main directory of this archive 8 * for more details. 9 */ 10 11 #include <linux/init.h> 12 #include <linux/slab.h> 13 #include <asm/cpuinfo.h> 14 #include <asm/pvr.h> 15 16 const struct cpu_ver_key cpu_ver_lookup[] = { 17 /* These key value are as per MBV field in PVR0 */ 18 {"5.00.a", 0x01}, 19 {"5.00.b", 0x02}, 20 {"5.00.c", 0x03}, 21 {"6.00.a", 0x04}, 22 {"6.00.b", 0x06}, 23 {"7.00.a", 0x05}, 24 {"7.00.b", 0x07}, 25 {"7.10.a", 0x08}, 26 {"7.10.b", 0x09}, 27 {"7.10.c", 0x0a}, 28 {"7.10.d", 0x0b}, 29 /* FIXME There is no keycode defined in MBV for these versions */ 30 {"2.10.a", 0x10}, 31 {"3.00.a", 0x20}, 32 {"4.00.a", 0x30}, 33 {"4.00.b", 0x40}, 34 {NULL, 0}, 35 }; 36 37 /* 38 * FIXME Not sure if the actual key is defined by Xilinx in the PVR 39 */ 40 const struct family_string_key family_string_lookup[] = { 41 {"virtex2", 0x4}, 42 {"virtex2pro", 0x5}, 43 {"spartan3", 0x6}, 44 {"virtex4", 0x7}, 45 {"virtex5", 0x8}, 46 {"spartan3e", 0x9}, 47 {"spartan3a", 0xa}, 48 {"spartan3an", 0xb}, 49 {"spartan3adsp", 0xc}, 50 /* FIXME There is no key code defined for spartan2 */ 51 {"spartan2", 0xf0}, 52 {NULL, 0}, 53 }; 54 55 struct cpuinfo cpuinfo; 56 57 void __init setup_cpuinfo(void) 58 { 59 struct device_node *cpu = NULL; 60 61 cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu"); 62 if (!cpu) 63 printk(KERN_ERR "You don't have cpu!!!\n"); 64 65 printk(KERN_INFO "%s: initialising\n", __func__); 66 67 switch (cpu_has_pvr()) { 68 case 0: 69 printk(KERN_WARNING 70 "%s: No PVR support. Using static CPU info from FDT\n", 71 __func__); 72 set_cpuinfo_static(&cpuinfo, cpu); 73 break; 74 /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a 75 * please do not use FULL PVR with MMU */ 76 case 1: 77 printk(KERN_INFO "%s: Using full CPU PVR support\n", 78 __func__); 79 set_cpuinfo_static(&cpuinfo, cpu); 80 set_cpuinfo_pvr_full(&cpuinfo, cpu); 81 break; 82 default: 83 printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__); 84 set_cpuinfo_static(&cpuinfo, cpu); 85 } 86 } 87