projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 1da177e4 LT |
2 | /* |
| 3 | * | |
| 4 | * linux/arch/cris/arch-v10/kernel/setup.c | |
| 5 | * | |
| 6 | * Copyright (C) 1995 Linus Torvalds | |
| 7 | * Copyright (c) 2001-2002 Axis Communications AB | |
| 8 | */ | |
| 9 | ||
| 10 | /* | |
| 11 | * This file handles the architecture-dependent parts of initialization | |
| 12 | */ | |
| 13 | ||
| 1da177e4 LT |
14 | #include <linux/seq_file.h> |
| 15 | #include <linux/proc_fs.h> | |
| 16 | #include <linux/delay.h> | |
| a8e2a8b2 | 17 | #include <linux/param.h> |
| b1a154db | 18 | #include <arch/system.h> |
| 1da177e4 LT |
19 | |
| 20 | #ifdef CONFIG_PROC_FS | |
| 21 | #define HAS_FPU 0x0001 | |
| 22 | #define HAS_MMU 0x0002 | |
| 23 | #define HAS_ETHERNET100 0x0004 | |
| 24 | #define HAS_TOKENRING 0x0008 | |
| 25 | #define HAS_SCSI 0x0010 | |
| 26 | #define HAS_ATA 0x0020 | |
| 27 | #define HAS_USB 0x0040 | |
| 28 | #define HAS_IRQ_BUG 0x0080 | |
| 29 | #define HAS_MMU_BUG 0x0100 | |
| 30 | ||
| 31 | static struct cpu_info { | |
| 32 | char *model; | |
| 33 | unsigned short cache; | |
| 34 | unsigned short flags; | |
| 35 | } cpu_info[] = { | |
| 36 | /* The first four models will never ever run this code and are | |
| 37 | only here for display. */ | |
| 38 | { "ETRAX 1", 0, 0 }, | |
| 39 | { "ETRAX 2", 0, 0 }, | |
| 40 | { "ETRAX 3", 0, HAS_TOKENRING }, | |
| 41 | { "ETRAX 4", 0, HAS_TOKENRING | HAS_SCSI }, | |
| 42 | { "Unknown", 0, 0 }, | |
| 43 | { "Unknown", 0, 0 }, | |
| 44 | { "Unknown", 0, 0 }, | |
| 45 | { "Simulator", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, | |
| 46 | { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG }, | |
| 47 | { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, | |
| 48 | { "ETRAX 100LX", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG }, | |
| 49 | { "ETRAX 100LX v2", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU }, | |
| 50 | { "Unknown", 0, 0 } /* This entry MUST be the last */ | |
| 51 | }; | |
| 52 | ||
| 53 | int show_cpuinfo(struct seq_file *m, void *v) | |
| 54 | { | |
| 55 | unsigned long revision; | |
| 56 | struct cpu_info *info; | |
| 57 | ||
| 58 | /* read the version register in the CPU and print some stuff */ | |
| 59 | ||
| 60 | revision = rdvr(); | |
| 61 | ||
| 16ad1b49 AU |
62 | if (revision >= ARRAY_SIZE(cpu_info)) |
| 63 | info = &cpu_info[ARRAY_SIZE(cpu_info) - 1]; | |
| 1da177e4 LT |
64 | else |
| 65 | info = &cpu_info[revision]; | |
| 66 | ||
| 1336d422 JP |
67 | seq_printf(m, |
| 68 | "processor\t: 0\n" | |
| 69 | "cpu\t\t: CRIS\n" | |
| 70 | "cpu revision\t: %lu\n" | |
| 71 | "cpu model\t: %s\n" | |
| 72 | "cache size\t: %d kB\n" | |
| 73 | "fpu\t\t: %s\n" | |
| 74 | "mmu\t\t: %s\n" | |
| 75 | "mmu DMA bug\t: %s\n" | |
| 76 | "ethernet\t: %s Mbps\n" | |
| 77 | "token ring\t: %s\n" | |
| 78 | "scsi\t\t: %s\n" | |
| 79 | "ata\t\t: %s\n" | |
| 80 | "usb\t\t: %s\n" | |
| 81 | "bogomips\t: %lu.%02lu\n", | |
| 1da177e4 | 82 | |
| 1336d422 JP |
83 | revision, |
| 84 | info->model, | |
| 85 | info->cache, | |
| 86 | info->flags & HAS_FPU ? "yes" : "no", | |
| 87 | info->flags & HAS_MMU ? "yes" : "no", | |
| 88 | info->flags & HAS_MMU_BUG ? "yes" : "no", | |
| 89 | info->flags & HAS_ETHERNET100 ? "10/100" : "10", | |
| 90 | info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no", | |
| 91 | info->flags & HAS_SCSI ? "yes" : "no", | |
| 92 | info->flags & HAS_ATA ? "yes" : "no", | |
| 93 | info->flags & HAS_USB ? "yes" : "no", | |
| 94 | (loops_per_jiffy * HZ + 500) / 500000, | |
| 95 | ((loops_per_jiffy * HZ + 500) / 5000) % 100); | |
| 96 | ||
| 97 | return 0; | |
| 1da177e4 LT |
98 | } |
| 99 | ||
| 100 | #endif /* CONFIG_PROC_FS */ | |
| 101 | ||
| 102 | void | |
| 103 | show_etrax_copyright(void) | |
| 104 | { | |
| 105 | printk(KERN_INFO | |
| 106 | "Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n"); | |
| 107 | } |