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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/cris/arch-v10/kernel/setup.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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