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>
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
11 #include <linux/init.h>
12 #include <asm/cpuinfo.h>
15 const struct cpu_ver_key cpu_ver_lookup[] = {
16 /* These key value are as per MBV field in PVR0 */
44 * FIXME Not sure if the actual key is defined by Xilinx in the PVR
46 const struct family_string_key family_string_lookup[] = {
55 {"spartan3adsp", 0xc},
58 /* FIXME There is no key code defined for spartan2 */
63 struct cpuinfo cpuinfo;
65 void __init setup_cpuinfo(void)
67 struct device_node *cpu = NULL;
69 cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu");
71 printk(KERN_ERR "You don't have cpu!!!\n");
73 printk(KERN_INFO "%s: initialising\n", __func__);
75 switch (cpu_has_pvr()) {
78 "%s: No PVR support. Using static CPU info from FDT\n",
80 set_cpuinfo_static(&cpuinfo, cpu);
82 /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
83 * please do not use FULL PVR with MMU */
85 printk(KERN_INFO "%s: Using full CPU PVR support\n",
87 set_cpuinfo_static(&cpuinfo, cpu);
88 set_cpuinfo_pvr_full(&cpuinfo, cpu);
91 printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__);
92 set_cpuinfo_static(&cpuinfo, cpu);
95 if (cpuinfo.mmu_privins)
96 printk(KERN_WARNING "%s: Stream instructions enabled"
97 " - USERSPACE CAN LOCK THIS KERNEL!\n", __func__);