[linux-2.6-block.git] / arch / mips / fw / arc / identify.c

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * identify.c: identify machine by looking up system identifier
 *
 * Copyright (C) 1998 Thomas Bogendoerfer
 *
 * This code is based on arch/mips/sgi/kernel/system.c, which is
 *
 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
 */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/string.h>

#include <asm/sgialib.h>
#include <asm/bootinfo.h>

struct smatch {
	char *arcname;
	char *liname;
	int type;
	int flags;
};

static struct smatch mach_table[] = {
	{
		.arcname	= "SGI-IP22",
		.liname		= "SGI Indy",
		.type		= MACH_SGI_IP22,
		.flags		= PROM_FLAG_ARCS,
	}, {
		.arcname	= "SGI-IP27",
		.liname		= "SGI Origin",
		.type		= MACH_SGI_IP27,
		.flags		= PROM_FLAG_ARCS,
	}, {
		.arcname	= "SGI-IP28",
		.liname		= "SGI IP28",
		.type		= MACH_SGI_IP28,
		.flags		= PROM_FLAG_ARCS,
	}, {
		.arcname	= "SGI-IP30",
		.liname		= "SGI Octane",
		.type		= MACH_SGI_IP30,
		.flags		= PROM_FLAG_ARCS,
	}, {
		.arcname	= "SGI-IP32",
		.liname		= "SGI O2",
		.type		= MACH_SGI_IP32,
		.flags		= PROM_FLAG_ARCS,
	}, {
		.arcname	= "Microsoft-Jazz",
		.liname		= "Jazz MIPS_Magnum_4000",
		.type		= MACH_MIPS_MAGNUM_4000,
		.flags		= 0,
	}, {
		.arcname	= "PICA-61",
		.liname		= "Jazz Acer_PICA_61",
		.type		= MACH_ACER_PICA_61,
		.flags		= 0,
	}, {
		.arcname	= "RM200PCI",
		.liname		= "SNI RM200_PCI",
		.type		= MACH_SNI_RM200_PCI,
		.flags		= PROM_FLAG_DONT_FREE_TEMP,
	}, {
		.arcname	= "RM200PCI-R5K",
		.liname		= "SNI RM200_PCI-R5K",
		.type		= MACH_SNI_RM200_PCI,
		.flags		= PROM_FLAG_DONT_FREE_TEMP,
	}
};

int prom_flags;

static struct smatch * __init string_to_mach(const char *s)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
		if (!strcmp(s, mach_table[i].arcname))
			return &mach_table[i];
	}

	panic("Yeee, could not determine architecture type <%s>", s);
}

char *system_type;

const char *get_system_type(void)
{
	return system_type;
}

void __init prom_identify_arch(void)
{
	pcomponent *p;
	struct smatch *mach;
	const char *iname;

	/*
	 * The root component tells us what machine architecture we have here.
	 */
	p = ArcGetChild(PROM_NULL_COMPONENT);
	if (p == NULL) {
#ifdef CONFIG_SGI_IP27
		/* IP27 PROM misbehaves, seems to not implement ARC
		   GetChild().  So we just assume it's an IP27.  */
		iname = "SGI-IP27";
#else
		iname = "Unknown";
#endif
	} else
		iname = (char *) (long) p->iname;

	printk("ARCH: %s\n", iname);
	mach = string_to_mach(iname);
	system_type = mach->liname;

	mips_machtype = mach->type;
	prom_flags = mach->flags;
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* This file is subject to the terms and conditions of the GNU General Public
	3	* License. See the file "COPYING" in the main directory of this archive
	4	* for more details.
	5	*
	6	* identify.c: identify machine by looking up system identifier
	7	*
	8	* Copyright (C) 1998 Thomas Bogendoerfer
	9	*
	10	* This code is based on arch/mips/sgi/kernel/system.c, which is
	11	*
	12	* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
	13	*/
1da177e4 LT	14	#include <linux/init.h>
	15	#include <linux/kernel.h>
	16	#include <linux/types.h>
	17	#include <linux/string.h>
	18
	19	#include <asm/sgialib.h>
	20	#include <asm/bootinfo.h>
	21
	22	struct smatch {
	23	char *arcname;
	24	char *liname;
1da177e4 LT	25	int type;
	26	int flags;
	27	};
	28
	29	static struct smatch mach_table[] = {
112b20a1 RB	30	{
	31	.arcname = "SGI-IP22",
	32	.liname = "SGI Indy",
112b20a1 RB	33	.type = MACH_SGI_IP22,
	34	.flags = PROM_FLAG_ARCS,
	35	}, {
	36	.arcname = "SGI-IP27",
	37	.liname = "SGI Origin",
112b20a1 RB	38	.type = MACH_SGI_IP27,
	39	.flags = PROM_FLAG_ARCS,
	40	}, {
	41	.arcname = "SGI-IP28",
	42	.liname = "SGI IP28",
112b20a1 RB	43	.type = MACH_SGI_IP28,
	44	.flags = PROM_FLAG_ARCS,
	45	}, {
	46	.arcname = "SGI-IP30",
	47	.liname = "SGI Octane",
112b20a1 RB	48	.type = MACH_SGI_IP30,
	49	.flags = PROM_FLAG_ARCS,
	50	}, {
	51	.arcname = "SGI-IP32",
	52	.liname = "SGI O2",
112b20a1 RB	53	.type = MACH_SGI_IP32,
	54	.flags = PROM_FLAG_ARCS,
	55	}, {
	56	.arcname = "Microsoft-Jazz",
	57	.liname = "Jazz MIPS_Magnum_4000",
112b20a1 RB	58	.type = MACH_MIPS_MAGNUM_4000,
	59	.flags = 0,
	60	}, {
	61	.arcname = "PICA-61",
	62	.liname = "Jazz Acer_PICA_61",
112b20a1 RB	63	.type = MACH_ACER_PICA_61,
	64	.flags = 0,
	65	}, {
	66	.arcname = "RM200PCI",
	67	.liname = "SNI RM200_PCI",
112b20a1	68	.type = MACH_SNI_RM200_PCI,
330117ff TB	69	.flags = PROM_FLAG_DONT_FREE_TEMP,
	70	}, {
	71	.arcname = "RM200PCI-R5K",
	72	.liname = "SNI RM200_PCI-R5K",
	73	.type = MACH_SNI_RM200_PCI,
112b20a1	74	.flags = PROM_FLAG_DONT_FREE_TEMP,
1da177e4 LT	75	}
	76	};
	77
	78	int prom_flags;
	79
	80	static struct smatch * __init string_to_mach(const char *s)
	81	{
	82	int i;
	83
25b8ac3b	84	for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
1da177e4 LT	85	if (!strcmp(s, mach_table[i].arcname))
	86	return &mach_table[i];
	87	}
	88
	89	panic("Yeee, could not determine architecture type <%s>", s);
	90	}
	91
	92	char *system_type;
	93
	94	const char *get_system_type(void)
	95	{
	96	return system_type;
	97	}
	98
	99	void __init prom_identify_arch(void)
	100	{
	101	pcomponent *p;
	102	struct smatch *mach;
	103	const char *iname;
	104
	105	/*
	106	* The root component tells us what machine architecture we have here.
	107	*/
	108	p = ArcGetChild(PROM_NULL_COMPONENT);
	109	if (p == NULL) {
	110	#ifdef CONFIG_SGI_IP27
	111	/* IP27 PROM misbehaves, seems to not implement ARC
	112	GetChild(). So we just assume it's an IP27. */
	113	iname = "SGI-IP27";
	114	#else
	115	iname = "Unknown";
	116	#endif
	117	} else
	118	iname = (char *) (long) p->iname;
	119
	120	printk("ARCH: %s\n", iname);
	121	mach = string_to_mach(iname);
	122	system_type = mach->liname;
	123
1da177e4 LT	124	mips_machtype = mach->type;
	125	prom_flags = mach->flags;
	126	}