1406107daSMichal Simek /* 2406107daSMichal Simek * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> 3406107daSMichal Simek * Copyright (C) 2007-2009 PetaLogix 4406107daSMichal Simek * Copyright (C) 2007 John Williams <john.williams@petalogix.com> 5406107daSMichal Simek * 6406107daSMichal Simek * This file is subject to the terms and conditions of the GNU General Public 7406107daSMichal Simek * License. See the file "COPYING" in the main directory of this archive 8406107daSMichal Simek * for more details. 9406107daSMichal Simek */ 10406107daSMichal Simek 11406107daSMichal Simek #include <linux/init.h> 12406107daSMichal Simek #include <asm/cpuinfo.h> 13406107daSMichal Simek #include <asm/pvr.h> 14406107daSMichal Simek 15406107daSMichal Simek const struct cpu_ver_key cpu_ver_lookup[] = { 16406107daSMichal Simek /* These key value are as per MBV field in PVR0 */ 17406107daSMichal Simek {"5.00.a", 0x01}, 18406107daSMichal Simek {"5.00.b", 0x02}, 19406107daSMichal Simek {"5.00.c", 0x03}, 20406107daSMichal Simek {"6.00.a", 0x04}, 21406107daSMichal Simek {"6.00.b", 0x06}, 22406107daSMichal Simek {"7.00.a", 0x05}, 23406107daSMichal Simek {"7.00.b", 0x07}, 24406107daSMichal Simek {"7.10.a", 0x08}, 25406107daSMichal Simek {"7.10.b", 0x09}, 26406107daSMichal Simek {"7.10.c", 0x0a}, 27406107daSMichal Simek {"7.10.d", 0x0b}, 2894ad8eb8SMichal Simek {"7.20.a", 0x0c}, 2994ad8eb8SMichal Simek {"7.20.b", 0x0d}, 30f97b4f7dSJohn Williams {"7.20.c", 0x0e}, 316cec713bSMichal Simek {"7.20.d", 0x0f}, 32c8983a5cSMichal Simek {"7.30.a", 0x10}, 33f66efecaSMichal Simek {"7.30.b", 0x11}, 34f66efecaSMichal Simek {"8.00.a", 0x12}, 35406107daSMichal Simek {NULL, 0}, 36406107daSMichal Simek }; 37406107daSMichal Simek 38406107daSMichal Simek /* 39406107daSMichal Simek * FIXME Not sure if the actual key is defined by Xilinx in the PVR 40406107daSMichal Simek */ 41406107daSMichal Simek const struct family_string_key family_string_lookup[] = { 42406107daSMichal Simek {"virtex2", 0x4}, 43406107daSMichal Simek {"virtex2pro", 0x5}, 44406107daSMichal Simek {"spartan3", 0x6}, 45406107daSMichal Simek {"virtex4", 0x7}, 46406107daSMichal Simek {"virtex5", 0x8}, 47406107daSMichal Simek {"spartan3e", 0x9}, 48406107daSMichal Simek {"spartan3a", 0xa}, 49406107daSMichal Simek {"spartan3an", 0xb}, 50406107daSMichal Simek {"spartan3adsp", 0xc}, 51f97b4f7dSJohn Williams {"spartan6", 0xd}, 52f97b4f7dSJohn Williams {"virtex6", 0xe}, 53406107daSMichal Simek /* FIXME There is no key code defined for spartan2 */ 54406107daSMichal Simek {"spartan2", 0xf0}, 55406107daSMichal Simek {NULL, 0}, 56406107daSMichal Simek }; 57406107daSMichal Simek 58406107daSMichal Simek struct cpuinfo cpuinfo; 59406107daSMichal Simek 60406107daSMichal Simek void __init setup_cpuinfo(void) 61406107daSMichal Simek { 62406107daSMichal Simek struct device_node *cpu = NULL; 63406107daSMichal Simek 64406107daSMichal Simek cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu"); 65406107daSMichal Simek if (!cpu) 66406107daSMichal Simek printk(KERN_ERR "You don't have cpu!!!\n"); 67406107daSMichal Simek 68406107daSMichal Simek printk(KERN_INFO "%s: initialising\n", __func__); 69406107daSMichal Simek 70406107daSMichal Simek switch (cpu_has_pvr()) { 71406107daSMichal Simek case 0: 72406107daSMichal Simek printk(KERN_WARNING 73406107daSMichal Simek "%s: No PVR support. Using static CPU info from FDT\n", 74406107daSMichal Simek __func__); 75406107daSMichal Simek set_cpuinfo_static(&cpuinfo, cpu); 76406107daSMichal Simek break; 77fbeda677SMichal Simek /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a 78406107daSMichal Simek * please do not use FULL PVR with MMU */ 79406107daSMichal Simek case 1: 80406107daSMichal Simek printk(KERN_INFO "%s: Using full CPU PVR support\n", 81406107daSMichal Simek __func__); 82406107daSMichal Simek set_cpuinfo_static(&cpuinfo, cpu); 83406107daSMichal Simek set_cpuinfo_pvr_full(&cpuinfo, cpu); 84406107daSMichal Simek break; 85406107daSMichal Simek default: 86406107daSMichal Simek printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__); 87406107daSMichal Simek set_cpuinfo_static(&cpuinfo, cpu); 88406107daSMichal Simek } 89406107daSMichal Simek } 90