88 lines
2.2 KiB
Diff
88 lines
2.2 KiB
Diff
From 7e47cefa69c8ed2c889522ce29fcce73ce8cf08e Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Sun, 20 Jan 2013 22:01:05 +0100
|
|
Subject: [PATCH 04/14] MIPS: ralink: adds prom and cmdline code
|
|
|
|
Add minimal code to handle commandlines.
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
|
|
Patchwork: http://patchwork.linux-mips.org/patch/4892/
|
|
---
|
|
arch/mips/ralink/prom.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++
|
|
1 file changed, 69 insertions(+)
|
|
create mode 100644 arch/mips/ralink/prom.c
|
|
|
|
--- /dev/null
|
|
+++ b/arch/mips/ralink/prom.c
|
|
@@ -0,0 +1,69 @@
|
|
+/*
|
|
+ * This program is free software; you can redistribute it and/or modify it
|
|
+ * under the terms of the GNU General Public License version 2 as published
|
|
+ * by the Free Software Foundation.
|
|
+ *
|
|
+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
|
|
+ * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
|
|
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
|
|
+ */
|
|
+
|
|
+#include <linux/string.h>
|
|
+#include <linux/of_fdt.h>
|
|
+#include <linux/of_platform.h>
|
|
+
|
|
+#include <asm/bootinfo.h>
|
|
+#include <asm/addrspace.h>
|
|
+
|
|
+#include "common.h"
|
|
+
|
|
+struct ralink_soc_info soc_info;
|
|
+
|
|
+const char *get_system_type(void)
|
|
+{
|
|
+ return soc_info.sys_type;
|
|
+}
|
|
+
|
|
+static __init void prom_init_cmdline(int argc, char **argv)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
|
|
+ (unsigned int)fw_arg0, (unsigned int)fw_arg1,
|
|
+ (unsigned int)fw_arg2, (unsigned int)fw_arg3);
|
|
+
|
|
+ argc = fw_arg0;
|
|
+ argv = (char **) KSEG1ADDR(fw_arg1);
|
|
+
|
|
+ if (!argv) {
|
|
+ pr_debug("argv=%p is invalid, skipping\n",
|
|
+ argv);
|
|
+ return;
|
|
+ }
|
|
+
|
|
+ for (i = 0; i < argc; i++) {
|
|
+ char *p = (char *) KSEG1ADDR(argv[i]);
|
|
+
|
|
+ if (CPHYSADDR(p) && *p) {
|
|
+ pr_debug("argv[%d]: %s\n", i, p);
|
|
+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
|
|
+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+void __init prom_init(void)
|
|
+{
|
|
+ int argc;
|
|
+ char **argv;
|
|
+
|
|
+ prom_soc_init(&soc_info);
|
|
+
|
|
+ pr_info("SoC Type: %s\n", get_system_type());
|
|
+
|
|
+ prom_init_cmdline(argc, argv);
|
|
+}
|
|
+
|
|
+void __init prom_free_prom_memory(void)
|
|
+{
|
|
+}
|