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-rw-r--r--arch/mips/emma/common/prom.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
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+++ b/arch/mips/emma/common/prom.c
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+/*
+ * arch/mips/emma2rh/common/prom.c
+ * This file is prom file.
+ *
+ * Copyright (C) NEC Electronics Corporation 2004-2006
+ *
+ * This file is based on the arch/mips/ddb5xxx/common/prom.c
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#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/emma/emma2rh.h>
+
+const char *get_system_type(void)
+{
+#ifdef CONFIG_NEC_MARKEINS
+ return "NEC EMMA2RH Mark-eins";
+#else
+#error Unknown NEC board
+#endif
+}
+
+/* [jsun@junsun.net] PMON passes arguments in C main() style */
+void __init prom_init(void)
+{
+ int argc = fw_arg0;
+ char **arg = (char **)fw_arg1;
+ int i;
+
+ /* if user passes kernel args, ignore the default one */
+ if (argc > 1)
+ arcs_cmdline[0] = '\0';
+
+ /* arg[0] is "g", the rest is boot parameters */
+ for (i = 1; i < argc; i++) {
+ if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
+ >= sizeof(arcs_cmdline))
+ break;
+ strcat(arcs_cmdline, arg[i]);
+ strcat(arcs_cmdline, " ");
+ }
+
+#ifdef CONFIG_NEC_MARKEINS
+ add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
+#else
+#error Unknown NEC board
+#endif
+}
+
+void __init prom_free_prom_memory(void)
+{
+}