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 13#include <linux/seq_file.h> 14#include <linux/proc_fs.h> 15#include <linux/delay.h> 16#include <linux/param.h> 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 29static 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 51int 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 60 if (revision >= ARRAY_SIZE(cpu_info)) 61 info = &cpu_info[ARRAY_SIZE(cpu_info) - 1]; 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 98void 99show_etrax_copyright(void) 100{ 101 printk(KERN_INFO 102 "Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n"); 103} 104