1 files changed, 72 insertions, 0 deletions

diff --git a/arch/mips/txx9/rbtx4938/prom.c b/arch/mips/txx9/rbtx4938/prom.c
new file mode 100644
index 000000000000..134fcc2dc7d2
--- /dev/null
+++ b/arch/mips/txx9/rbtx4938/prom.c
@@ -0,0 +1,72 @@
+/*
+ * rbtx4938 specific prom routines
+ * Copyright (C) 2000-2001 Toshiba Corporation
+ *
+ * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the
+ * terms of the GNU General Public License version 2. This program is
+ * licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com)
+ */
+
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/txx9/tx4938.h>
+
+void __init prom_init_cmdline(void)
+{
+        int argc = (int) fw_arg0;
+        char **argv = (char **) fw_arg1;
+        int i;
+
+        /* ignore all built-in args if any f/w args given */
+        if (argc > 1) {
+                *arcs_cmdline = '\0';
+        }
+
+        for (i = 1; i < argc; i++) {
+                if (i != 1) {
+                        strcat(arcs_cmdline, " ");
+                }
+                strcat(arcs_cmdline, argv[i]);
+        }
+}
+
+void __init prom_init(void)
+{
+        extern int tx4938_get_mem_size(void);
+        int msize;
+#ifndef CONFIG_TX4938_NAND_BOOT
+        prom_init_cmdline();
+#endif
+
+        msize = tx4938_get_mem_size();
+        add_memory_region(0, msize << 20, BOOT_MEM_RAM);
+
+        return;
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
+{
+        return;
+}
+
+const char *get_system_type(void)
+{
+        return "Toshiba RBTX4938";
+}
+
+char * __init prom_getcmdline(void)
+{
+        return &(arcs_cmdline[0]);
+}