patch-2.4.19 linux-2.4.19/arch/mips/vr4181/osprey/prom.c

• Lines: 55
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/vr4181/osprey/prom.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/vr4181/osprey/prom.c linux-2.4.19/arch/mips/vr4181/osprey/prom.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: jsun@mvista.com or jsun@junsun.net
+ *
+ * arch/mips/vr4181/osprey/prom.c
+ *     prom code for osprey.
+ *
+ * This program is free software; you can redistribute	it and/or modify it
+ * under  the terms of	the GNU General	 Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/bootmem.h>
+#include <asm/bootinfo.h>
+#include <asm/addrspace.h>
+
+char arcs_cmdline[CL_SIZE];
+
+const char *get_system_type(void)
+{
+	return "NEC_Vr41xx Osprey";
+}
+
+/* 
+ * [jsun] right now we assume it is the nec debug monitor, which does
+ * not pass any arguments.
+ */
+void __init prom_init()
+{
+	strcpy(arcs_cmdline, "ip=bootp ");
+	strcat(arcs_cmdline, "ether=46,0x03fe0300,eth0 ");
+	// strcpy(arcs_cmdline, "ether=0,0x0300,eth0 "
+	// strcat(arcs_cmdline, "video=vr4181fb:xres:240,yres:320,bpp:8 ");
+
+	mips_machgroup = MACH_GROUP_NEC_VR41XX;
+	mips_machtype = MACH_NEC_OSPREY;
+
+	/* 16MB fixed */
+	add_memory_region(0, 16 << 20, BOOT_MEM_RAM);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+void __init prom_fixup_mem_map(unsigned long start, unsigned long end)
+{
+}
+