mirror of https://github.com/hak5/openwrt-owl.git
88 lines
2.2 KiB
Diff
88 lines
2.2 KiB
Diff
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From 7e47cefa69c8ed2c889522ce29fcce73ce8cf08e Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Sun, 20 Jan 2013 22:01:05 +0100
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Subject: [PATCH 04/14] MIPS: ralink: adds prom and cmdline code
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Add minimal code to handle commandlines.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Patchwork: http://patchwork.linux-mips.org/patch/4892/
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---
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arch/mips/ralink/prom.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 69 insertions(+)
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create mode 100644 arch/mips/ralink/prom.c
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--- /dev/null
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+++ b/arch/mips/ralink/prom.c
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@@ -0,0 +1,69 @@
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+/*
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License version 2 as published
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+ * by the Free Software Foundation.
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+ *
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+ * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
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+ * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com>
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+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
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+ */
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+
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+#include <linux/string.h>
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+#include <linux/of_fdt.h>
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+#include <linux/of_platform.h>
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+
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+#include <asm/bootinfo.h>
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+#include <asm/addrspace.h>
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+
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+#include "common.h"
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+
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+struct ralink_soc_info soc_info;
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+
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+const char *get_system_type(void)
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+{
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+ return soc_info.sys_type;
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+}
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+
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+static __init void prom_init_cmdline(int argc, char **argv)
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+{
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+ int i;
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+
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+ pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n",
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+ (unsigned int)fw_arg0, (unsigned int)fw_arg1,
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+ (unsigned int)fw_arg2, (unsigned int)fw_arg3);
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+
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+ argc = fw_arg0;
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+ argv = (char **) KSEG1ADDR(fw_arg1);
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+
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+ if (!argv) {
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+ pr_debug("argv=%p is invalid, skipping\n",
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+ argv);
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+ return;
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+ }
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+
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+ for (i = 0; i < argc; i++) {
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+ char *p = (char *) KSEG1ADDR(argv[i]);
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+
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+ if (CPHYSADDR(p) && *p) {
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+ pr_debug("argv[%d]: %s\n", i, p);
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+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
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+ strlcat(arcs_cmdline, p, sizeof(arcs_cmdline));
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+ }
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+ }
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+}
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+
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+void __init prom_init(void)
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+{
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+ int argc;
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+ char **argv;
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+
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+ prom_soc_init(&soc_info);
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+
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+ pr_info("SoC Type: %s\n", get_system_type());
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+
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+ prom_init_cmdline(argc, argv);
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+}
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+
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+void __init prom_free_prom_memory(void)
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+{
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+}
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