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-rw-r--r--target/linux/ramips/patches-3.8/0004-MIPS-ralink-adds-prom-and-cmdline-code.patch93
1 files changed, 93 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.8/0004-MIPS-ralink-adds-prom-and-cmdline-code.patch b/target/linux/ramips/patches-3.8/0004-MIPS-ralink-adds-prom-and-cmdline-code.patch
new file mode 100644
index 0000000000..5ff48d57e9
--- /dev/null
+++ b/target/linux/ramips/patches-3.8/0004-MIPS-ralink-adds-prom-and-cmdline-code.patch
@@ -0,0 +1,93 @@
+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
+
+diff --git a/arch/mips/ralink/prom.c b/arch/mips/ralink/prom.c
+new file mode 100644
+index 0000000..9c64f02
+--- /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)
++{
++}
+--
+1.7.10.4
+