projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 406107da MS |
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> | |
| 406107da MS |
12 | #include <asm/cpuinfo.h> |
| 13 | #include <asm/pvr.h> | |
| 14 | ||
| 15 | const struct cpu_ver_key cpu_ver_lookup[] = { | |
| 16 | /* These key value are as per MBV field in PVR0 */ | |
| 17 | {"5.00.a", 0x01}, | |
| 18 | {"5.00.b", 0x02}, | |
| 19 | {"5.00.c", 0x03}, | |
| 20 | {"6.00.a", 0x04}, | |
| 21 | {"6.00.b", 0x06}, | |
| 22 | {"7.00.a", 0x05}, | |
| 23 | {"7.00.b", 0x07}, | |
| 24 | {"7.10.a", 0x08}, | |
| 25 | {"7.10.b", 0x09}, | |
| 26 | {"7.10.c", 0x0a}, | |
| 27 | {"7.10.d", 0x0b}, | |
| 94ad8eb8 MS |
28 | {"7.20.a", 0x0c}, |
| 29 | {"7.20.b", 0x0d}, | |
| f97b4f7d | 30 | {"7.20.c", 0x0e}, |
| 6cec713b | 31 | {"7.20.d", 0x0f}, |
| c8983a5c | 32 | {"7.30.a", 0x10}, |
| f66efeca MS |
33 | {"7.30.b", 0x11}, |
| 34 | {"8.00.a", 0x12}, | |
| a3c26959 | 35 | {"8.00.b", 0x13}, |
| a9dbe5eb | 36 | {"8.10.a", 0x14}, |
| 406107da MS |
37 | {NULL, 0}, |
| 38 | }; | |
| 39 | ||
| 40 | /* | |
| 41 | * FIXME Not sure if the actual key is defined by Xilinx in the PVR | |
| 42 | */ | |
| 43 | const struct family_string_key family_string_lookup[] = { | |
| 44 | {"virtex2", 0x4}, | |
| 45 | {"virtex2pro", 0x5}, | |
| 46 | {"spartan3", 0x6}, | |
| 47 | {"virtex4", 0x7}, | |
| 48 | {"virtex5", 0x8}, | |
| 49 | {"spartan3e", 0x9}, | |
| 50 | {"spartan3a", 0xa}, | |
| 51 | {"spartan3an", 0xb}, | |
| 52 | {"spartan3adsp", 0xc}, | |
| f97b4f7d JW |
53 | {"spartan6", 0xd}, |
| 54 | {"virtex6", 0xe}, | |
| 406107da MS |
55 | /* FIXME There is no key code defined for spartan2 */ |
| 56 | {"spartan2", 0xf0}, | |
| 57 | {NULL, 0}, | |
| 58 | }; | |
| 59 | ||
| 60 | struct cpuinfo cpuinfo; | |
| 61 | ||
| 62 | void __init setup_cpuinfo(void) | |
| 63 | { | |
| 64 | struct device_node *cpu = NULL; | |
| 65 | ||
| 66 | cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu"); | |
| 67 | if (!cpu) | |
| 68 | printk(KERN_ERR "You don't have cpu!!!\n"); | |
| 69 | ||
| 70 | printk(KERN_INFO "%s: initialising\n", __func__); | |
| 71 | ||
| 72 | switch (cpu_has_pvr()) { | |
| 73 | case 0: | |
| 74 | printk(KERN_WARNING | |
| 75 | "%s: No PVR support. Using static CPU info from FDT\n", | |
| 76 | __func__); | |
| 77 | set_cpuinfo_static(&cpuinfo, cpu); | |
| 78 | break; | |
| fbeda677 | 79 | /* FIXME I found weird behavior with MB 7.00.a/b 7.10.a |
| 406107da MS |
80 | * please do not use FULL PVR with MMU */ |
| 81 | case 1: | |
| 82 | printk(KERN_INFO "%s: Using full CPU PVR support\n", | |
| 83 | __func__); | |
| 84 | set_cpuinfo_static(&cpuinfo, cpu); | |
| 85 | set_cpuinfo_pvr_full(&cpuinfo, cpu); | |
| 86 | break; | |
| 87 | default: | |
| 88 | printk(KERN_WARNING "%s: Unsupported PVR setting\n", __func__); | |
| 89 | set_cpuinfo_static(&cpuinfo, cpu); | |
| 90 | } | |
| 8904976e JW |
91 | |
| 92 | if (cpuinfo.mmu_privins) | |
| 93 | printk(KERN_WARNING "%s: Stream instructions enabled" | |
| 94 | " - USERSPACE CAN LOCK THIS KERNEL!\n", __func__); | |
| 406107da | 95 | } |