| /* |
| * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> |
| * Copyright (C) 2007-2009 PetaLogix |
| * Copyright (C) 2007 John Williams <john.williams@petalogix.com> |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| */ |
| |
| #include <linux/init.h> |
| #include <asm/cpuinfo.h> |
| #include <asm/pvr.h> |
| |
| const struct cpu_ver_key cpu_ver_lookup[] = { |
| /* These key value are as per MBV field in PVR0 */ |
| {"5.00.a", 0x01}, |
| {"5.00.b", 0x02}, |
| {"5.00.c", 0x03}, |
| {"6.00.a", 0x04}, |
| {"6.00.b", 0x06}, |
| {"7.00.a", 0x05}, |
| {"7.00.b", 0x07}, |
| {"7.10.a", 0x08}, |
| {"7.10.b", 0x09}, |
| {"7.10.c", 0x0a}, |
| {"7.10.d", 0x0b}, |
| {"7.20.a", 0x0c}, |
| {"7.20.b", 0x0d}, |
| {"7.20.c", 0x0e}, |
| {"7.20.d", 0x0f}, |
| {"7.30.a", 0x10}, |
| {"7.30.b", 0x11}, |
| {"8.00.a", 0x12}, |
| {"8.00.b", 0x13}, |
| {"8.10.a", 0x14}, |
| {"8.20.a", 0x15}, |
| {"8.20.b", 0x16}, |
| {"8.30.a", 0x17}, |
| {"8.40.a", 0x18}, |
| {"8.40.b", 0x19}, |
| {"9.0", 0x1b}, |
| {"9.1", 0x1d}, |
| {NULL, 0}, |
| }; |
| |
| /* |
| * FIXME Not sure if the actual key is defined by Xilinx in the PVR |
| */ |
| const struct family_string_key family_string_lookup[] = { |
| {"virtex2", 0x4}, |
| {"virtex2pro", 0x5}, |
| {"spartan3", 0x6}, |
| {"virtex4", 0x7}, |
| {"virtex5", 0x8}, |
| {"spartan3e", 0x9}, |
| {"spartan3a", 0xa}, |
| {"spartan3an", 0xb}, |
| {"spartan3adsp", 0xc}, |
| {"spartan6", 0xd}, |
| {"virtex6", 0xe}, |
| /* FIXME There is no key code defined for spartan2 */ |
| {"spartan2", 0xf0}, |
| {"kintex7", 0x10}, |
| {"artix7", 0x11}, |
| {"zynq7000", 0x12}, |
| {NULL, 0}, |
| }; |
| |
| struct cpuinfo cpuinfo; |
| |
| void __init setup_cpuinfo(void) |
| { |
| struct device_node *cpu = NULL; |
| |
| cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu"); |
| if (!cpu) |
| pr_err("You don't have cpu!!!\n"); |
| |
| pr_info("%s: initialising\n", __func__); |
| |
| switch (cpu_has_pvr()) { |
| case 0: |
| pr_warn("%s: No PVR support. Using static CPU info from FDT\n", |
| __func__); |
| set_cpuinfo_static(&cpuinfo, cpu); |
| break; |
| /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a |
| * please do not use FULL PVR with MMU */ |
| case 1: |
| pr_info("%s: Using full CPU PVR support\n", |
| __func__); |
| set_cpuinfo_static(&cpuinfo, cpu); |
| set_cpuinfo_pvr_full(&cpuinfo, cpu); |
| break; |
| default: |
| pr_warn("%s: Unsupported PVR setting\n", __func__); |
| set_cpuinfo_static(&cpuinfo, cpu); |
| } |
| |
| if (cpuinfo.mmu_privins) |
| pr_warn("%s: Stream instructions enabled" |
| " - USERSPACE CAN LOCK THIS KERNEL!\n", __func__); |
| } |