diff options
Diffstat (limited to 'arch/cris/arch-v10/kernel/setup.c')
| -rw-r--r-- | arch/cris/arch-v10/kernel/setup.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/cris/arch-v10/kernel/setup.c b/arch/cris/arch-v10/kernel/setup.c new file mode 100644 index 00000000000..b668d7fb68e --- /dev/null +++ b/arch/cris/arch-v10/kernel/setup.c @@ -0,0 +1,103 @@ +/* + * + * linux/arch/cris/arch-v10/kernel/setup.c + * + * Copyright (C) 1995 Linus Torvalds + * Copyright (c) 2001-2002 Axis Communications AB + */ + +/* + * This file handles the architecture-dependent parts of initialization + */ + +#include <linux/config.h> +#include <linux/seq_file.h> +#include <linux/proc_fs.h> +#include <linux/delay.h> + +#ifdef CONFIG_PROC_FS +#define HAS_FPU 0x0001 +#define HAS_MMU 0x0002 +#define HAS_ETHERNET100 0x0004 +#define HAS_TOKENRING 0x0008 +#define HAS_SCSI 0x0010 +#define HAS_ATA 0x0020 +#define HAS_USB 0x0040 +#define HAS_IRQ_BUG 0x0080 +#define HAS_MMU_BUG 0x0100 + +static struct cpu_info { + char *model; + unsigned short cache; + unsigned short flags; +} cpu_info[] = { + /* The first four models will never ever run this code and are + only here for display. */ + { "ETRAX 1", 0, 0 }, + { "ETRAX 2", 0, 0 }, + { "ETRAX 3", 0, HAS_TOKENRING }, + { "ETRAX 4", 0, HAS_TOKENRING | HAS_SCSI }, + { "Unknown", 0, 0 }, + { "Unknown", 0, 0 }, + { "Unknown", 0, 0 }, + { "Simulator", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, + { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG }, + { "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA }, + { "ETRAX 100LX", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG }, + { "ETRAX 100LX v2", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU }, + { "Unknown", 0, 0 } /* This entry MUST be the last */ +}; + +int show_cpuinfo(struct seq_file *m, void *v) +{ + unsigned long revision; + struct cpu_info *info; + + /* read the version register in the CPU and print some stuff */ + + revision = rdvr(); + + if (revision >= sizeof cpu_info/sizeof *cpu_info) + info = &cpu_info[sizeof cpu_info/sizeof *cpu_info - 1]; + else + info = &cpu_info[revision]; + + return seq_printf(m, + "processor\t: 0\n" + "cpu\t\t: CRIS\n" + "cpu revision\t: %lu\n" + "cpu model\t: %s\n" + "cache size\t: %d kB\n" + "fpu\t\t: %s\n" + "mmu\t\t: %s\n" + "mmu DMA bug\t: %s\n" + "ethernet\t: %s Mbps\n" + "token ring\t: %s\n" + "scsi\t\t: %s\n" + "ata\t\t: %s\n" + "usb\t\t: %s\n" + "bogomips\t: %lu.%02lu\n", + + revision, + info->model, + info->cache, + info->flags & HAS_FPU ? "yes" : "no", + info->flags & HAS_MMU ? "yes" : "no", + info->flags & HAS_MMU_BUG ? "yes" : "no", + info->flags & HAS_ETHERNET100 ? "10/100" : "10", + info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no", + info->flags & HAS_SCSI ? "yes" : "no", + info->flags & HAS_ATA ? "yes" : "no", + info->flags & HAS_USB ? "yes" : "no", + (loops_per_jiffy * HZ + 500) / 500000, + ((loops_per_jiffy * HZ + 500) / 5000) % 100); +} + +#endif /* CONFIG_PROC_FS */ + +void +show_etrax_copyright(void) +{ + printk(KERN_INFO + "Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n"); +} |