patch-2.3.48 linux/arch/mips64/arc/identify.c

• Lines: 84
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/arch/mips64/arc/identify.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/arch/mips64/arc/identify.c linux/arch/mips64/arc/identify.c
@@ -0,0 +1,83 @@
+/* $Id: identify.c,v 1.5 2000/01/17 23:32:46 ralf Exp $
+ *
+ * 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/config.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/string.h>
+
+#include <asm/sgialib.h>
+#include <asm/bootinfo.h>
+
+struct smatch {
+	char *name;
+	int group;
+	int type;
+	int flags;
+};
+
+static struct smatch mach_table[] = {
+	{ "SGI-IP22", MACH_GROUP_SGI, MACH_SGI_INDY, PROM_FLAG_ARCS },
+	{ "SGI-IP27", MACH_GROUP_SGI, MACH_SGI_IP27, PROM_FLAG_ARCS },
+	{ "Microsoft-Jazz", MACH_GROUP_JAZZ, MACH_MIPS_MAGNUM_4000, 0 },
+	{ "PICA-61", MACH_GROUP_JAZZ, MACH_ACER_PICA_61, 0 },
+	{ "RM200PCI", MACH_GROUP_SNI_RM, MACH_SNI_RM200_PCI, 0 }
+};
+
+int prom_flags;
+
+static struct smatch * __init
+string_to_mach(char *s)
+{
+	int i;
+    
+	for (i = 0; i < sizeof (mach_table); i++) {
+		if(!strcmp(s, mach_table[i].name))
+			return &mach_table[i];
+	}
+	prom_printf("\nYeee, could not determine architecture type <%s>\n", s);
+	prom_printf("press a key to reboot\n");
+	prom_getchar();
+	ArcEnterInteractiveMode();
+
+	return NULL;
+}
+
+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 bisbehaves, seems to not implement ARC
+		   GetChild().  So we just assume it's an IP27.  */
+		iname = "SGI-IP27";
+#endif
+	} else
+		iname = (char *) (long) p->iname;
+
+	printk("ARCH: %s\n", iname);
+	mach = string_to_mach(iname);
+
+	mips_machgroup = mach->group;
+	mips_machtype = mach->type;
+	prom_flags = mach->flags;
+}