1 files changed, 51 insertions, 0 deletions

diff --git a/arch/mips/fw/arc/init.c b/arch/mips/fw/arc/init.c
new file mode 100644
index 000000000..f9d1dea9b
--- /dev/null
+++ b/arch/mips/fw/arc/init.c
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ *
+ * PROM library initialisation code.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <asm/bootinfo.h>
+#include <asm/sgialib.h>
+#include <asm/smp-ops.h>
+
+#undef DEBUG_PROM_INIT
+
+/* Master romvec interface. */
+struct linux_romvec *romvec;
+
+#if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32)
+/* stack for calling 32bit ARC prom */
+u64 o32_stk[4096];
+#endif
+
+void __init prom_init(void)
+{
+        PSYSTEM_PARAMETER_BLOCK pb = PROMBLOCK;
+
+        romvec = ROMVECTOR;
+
+        if (pb->magic != 0x53435241) {
+                printk(KERN_CRIT "Aieee, bad prom vector magic %08lx\n",
+                       (unsigned long) pb->magic);
+                while(1)
+                        ;
+        }
+
+        prom_init_cmdline(fw_arg0, (LONG *)fw_arg1);
+        prom_identify_arch();
+        printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n",
+               pb->ver, pb->rev);
+        prom_meminit();
+
+#ifdef DEBUG_PROM_INIT
+        pr_info("Press a key to reboot\n");
+        ArcRead(0, &c, 1, &cnt);
+        ArcEnterInteractiveMode();
+#endif
+}