ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/mips/fw/arc/identify.c b/marvell/linux/arch/mips/fw/arc/identify.c
new file mode 100644
index 0000000..f90266c
--- /dev/null
+++ b/marvell/linux/arch/mips/fw/arc/identify.c
@@ -0,0 +1,116 @@
+/*
+ * 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-IP27",
+ .liname = "SGI Origin",
+ .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;
+}
+
+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;
+
+ prom_flags = mach->flags;
+}