1 files changed, 111 insertions, 0 deletions

diff --git a/arch/mips/fw/arc/identify.c b/arch/mips/fw/arc/identify.c
new file mode 100644
index 000000000..5527e0f54
--- /dev/null
+++ b/arch/mips/fw/arc/identify.c
@@ -0,0 +1,111 @@
+/*
+ * 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 (davem@davemloft.net)
+ */
+#include <linux/bug.h>
+#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 flags;
+};
+
+static struct smatch mach_table[] = {
+        {
+                .arcname        = "SGI-IP22",
+                .liname         = "SGI Indy",
+                .flags          = PROM_FLAG_ARCS,
+        }, {
+                .arcname        = "SGI-IP28",
+                .liname         = "SGI IP28",
+                .flags          = PROM_FLAG_ARCS,
+        }, {
+                .arcname        = "SGI-IP30",
+                .liname         = "SGI Octane",
+                .flags          = PROM_FLAG_ARCS,
+        }, {
+                .arcname        = "SGI-IP32",
+                .liname         = "SGI O2",
+                .flags          = PROM_FLAG_ARCS,
+        }, {
+                .arcname        = "Microsoft-Jazz",
+                .liname         = "Jazz MIPS_Magnum_4000",
+                .flags          = 0,
+        }, {
+                .arcname        = "PICA-61",
+                .liname         = "Jazz Acer_PICA_61",
+                .flags          = 0,
+        }, {
+                .arcname        = "RM200PCI",
+                .liname         = "SNI RM200_PCI",
+                .flags          = PROM_FLAG_DONT_FREE_TEMP,
+        }, {
+                .arcname        = "RM200PCI-R5K",
+                .liname         = "SNI RM200_PCI-R5K",
+                .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;
+}
+
+static pcomponent * __init ArcGetChild(pcomponent *Current)
+{
+        return (pcomponent *) ARC_CALL1(child_component, Current);
+}
+
+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) {
+                iname = "Unknown";
+        } else
+                iname = (char *) (long) p->iname;
+
+        printk("ARCH: %s\n", iname);
+        mach = string_to_mach(iname);
+        system_type = mach->liname;
+
+        prom_flags = mach->flags;
+}