Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * linux/arch/cris/arch-v10/kernel/setup.c |
| 4 | * |
| 5 | * Copyright (C) 1995 Linus Torvalds |
| 6 | * Copyright (c) 2001-2002 Axis Communications AB |
| 7 | */ |
| 8 | |
| 9 | /* |
| 10 | * This file handles the architecture-dependent parts of initialization |
| 11 | */ |
| 12 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #include <linux/seq_file.h> |
| 14 | #include <linux/proc_fs.h> |
| 15 | #include <linux/delay.h> |
Jesper Nilsson | a8e2a8b | 2007-11-14 17:01:01 -0800 | [diff] [blame] | 16 | #include <linux/param.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
| 18 | #ifdef CONFIG_PROC_FS |
| 19 | #define HAS_FPU 0x0001 |
| 20 | #define HAS_MMU 0x0002 |
| 21 | #define HAS_ETHERNET100 0x0004 |
| 22 | #define HAS_TOKENRING 0x0008 |
| 23 | #define HAS_SCSI 0x0010 |
| 24 | #define HAS_ATA 0x0020 |
| 25 | #define HAS_USB 0x0040 |
| 26 | #define HAS_IRQ_BUG 0x0080 |
| 27 | #define HAS_MMU_BUG 0x0100 |
| 28 | |
| 29 | static struct cpu_info { |
| 30 | char *model; |
| 31 | unsigned short cache; |
| 32 | unsigned short flags; |
| 33 | } cpu_info[] = { |
| 34 | /* The first four models will never ever run this code and are |
| 35 | only here for display. */ |
| 36 | { "ETRAX 1", 0, 0 }, |
| 37 | { "ETRAX 2", 0, 0 }, |
| 38 | { "ETRAX 3", 0, HAS_TOKENRING }, |
| 39 | { "ETRAX 4", 0, HAS_TOKENRING | HAS_SCSI }, |
| 40 | { "Unknown", 0, 0 }, |
| 41 | { "Unknown", 0, 0 }, |
| 42 | { "Unknown", 0, 0 }, |
| 43 | { "Simulator", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, |
| 44 | { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG }, |
| 45 | { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, |
| 46 | { "ETRAX 100LX", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG }, |
| 47 | { "ETRAX 100LX v2", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU }, |
| 48 | { "Unknown", 0, 0 } /* This entry MUST be the last */ |
| 49 | }; |
| 50 | |
| 51 | int show_cpuinfo(struct seq_file *m, void *v) |
| 52 | { |
| 53 | unsigned long revision; |
| 54 | struct cpu_info *info; |
| 55 | |
| 56 | /* read the version register in the CPU and print some stuff */ |
| 57 | |
| 58 | revision = rdvr(); |
| 59 | |
Alex Unleashed | 16ad1b4 | 2007-11-14 17:01:06 -0800 | [diff] [blame] | 60 | if (revision >= ARRAY_SIZE(cpu_info)) |
| 61 | info = &cpu_info[ARRAY_SIZE(cpu_info) - 1]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | else |
| 63 | info = &cpu_info[revision]; |
| 64 | |
| 65 | return seq_printf(m, |
| 66 | "processor\t: 0\n" |
| 67 | "cpu\t\t: CRIS\n" |
| 68 | "cpu revision\t: %lu\n" |
| 69 | "cpu model\t: %s\n" |
| 70 | "cache size\t: %d kB\n" |
| 71 | "fpu\t\t: %s\n" |
| 72 | "mmu\t\t: %s\n" |
| 73 | "mmu DMA bug\t: %s\n" |
| 74 | "ethernet\t: %s Mbps\n" |
| 75 | "token ring\t: %s\n" |
| 76 | "scsi\t\t: %s\n" |
| 77 | "ata\t\t: %s\n" |
| 78 | "usb\t\t: %s\n" |
| 79 | "bogomips\t: %lu.%02lu\n", |
| 80 | |
| 81 | revision, |
| 82 | info->model, |
| 83 | info->cache, |
| 84 | info->flags & HAS_FPU ? "yes" : "no", |
| 85 | info->flags & HAS_MMU ? "yes" : "no", |
| 86 | info->flags & HAS_MMU_BUG ? "yes" : "no", |
| 87 | info->flags & HAS_ETHERNET100 ? "10/100" : "10", |
| 88 | info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no", |
| 89 | info->flags & HAS_SCSI ? "yes" : "no", |
| 90 | info->flags & HAS_ATA ? "yes" : "no", |
| 91 | info->flags & HAS_USB ? "yes" : "no", |
| 92 | (loops_per_jiffy * HZ + 500) / 500000, |
| 93 | ((loops_per_jiffy * HZ + 500) / 5000) % 100); |
| 94 | } |
| 95 | |
| 96 | #endif /* CONFIG_PROC_FS */ |
| 97 | |
| 98 | void |
| 99 | show_etrax_copyright(void) |
| 100 | { |
| 101 | printk(KERN_INFO |
| 102 | "Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n"); |
| 103 | } |