104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
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/*
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*
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* linux/arch/cris/arch-v10/kernel/setup.c
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*
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* Copyright (C) 1995 Linus Torvalds
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* Copyright (c) 2001-2002 Axis Communications AB
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*/
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/*
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* This file handles the architecture-dependent parts of initialization
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*/
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#include <linux/seq_file.h>
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#include <linux/proc_fs.h>
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#include <linux/delay.h>
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#include <linux/param.h>
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#ifdef CONFIG_PROC_FS
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#define HAS_FPU 0x0001
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#define HAS_MMU 0x0002
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#define HAS_ETHERNET100 0x0004
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#define HAS_TOKENRING 0x0008
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#define HAS_SCSI 0x0010
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#define HAS_ATA 0x0020
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#define HAS_USB 0x0040
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#define HAS_IRQ_BUG 0x0080
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#define HAS_MMU_BUG 0x0100
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static struct cpu_info {
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char *model;
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unsigned short cache;
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unsigned short flags;
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} cpu_info[] = {
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/* The first four models will never ever run this code and are
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only here for display. */
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{ "ETRAX 1", 0, 0 },
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{ "ETRAX 2", 0, 0 },
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{ "ETRAX 3", 0, HAS_TOKENRING },
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{ "ETRAX 4", 0, HAS_TOKENRING | HAS_SCSI },
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{ "Unknown", 0, 0 },
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{ "Unknown", 0, 0 },
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{ "Unknown", 0, 0 },
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{ "Simulator", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
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{ "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG },
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{ "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
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{ "ETRAX 100LX", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG },
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{ "ETRAX 100LX v2", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU },
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{ "Unknown", 0, 0 } /* This entry MUST be the last */
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};
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int show_cpuinfo(struct seq_file *m, void *v)
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{
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unsigned long revision;
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struct cpu_info *info;
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/* read the version register in the CPU and print some stuff */
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revision = rdvr();
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if (revision >= ARRAY_SIZE(cpu_info))
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info = &cpu_info[ARRAY_SIZE(cpu_info) - 1];
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else
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info = &cpu_info[revision];
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return seq_printf(m,
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"processor\t: 0\n"
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"cpu\t\t: CRIS\n"
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"cpu revision\t: %lu\n"
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"cpu model\t: %s\n"
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"cache size\t: %d kB\n"
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"fpu\t\t: %s\n"
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"mmu\t\t: %s\n"
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"mmu DMA bug\t: %s\n"
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"ethernet\t: %s Mbps\n"
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"token ring\t: %s\n"
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"scsi\t\t: %s\n"
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"ata\t\t: %s\n"
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"usb\t\t: %s\n"
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"bogomips\t: %lu.%02lu\n",
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revision,
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info->model,
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info->cache,
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info->flags & HAS_FPU ? "yes" : "no",
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info->flags & HAS_MMU ? "yes" : "no",
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info->flags & HAS_MMU_BUG ? "yes" : "no",
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info->flags & HAS_ETHERNET100 ? "10/100" : "10",
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info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
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info->flags & HAS_SCSI ? "yes" : "no",
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info->flags & HAS_ATA ? "yes" : "no",
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info->flags & HAS_USB ? "yes" : "no",
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(loops_per_jiffy * HZ + 500) / 500000,
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((loops_per_jiffy * HZ + 500) / 5000) % 100);
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}
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#endif /* CONFIG_PROC_FS */
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void
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show_etrax_copyright(void)
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{
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printk(KERN_INFO
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"Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n");
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}
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