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]);
+}