You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.9 KiB
66 lines
1.9 KiB
From 67b7bff0fd364c194e653f69baa623ba2141bd4c Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Mon, 4 Aug 2014 18:46:02 +0200
|
|
Subject: [PATCH 07/53] MIPS: ralink: copy the commandline from the devicetree
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
---
|
|
arch/mips/ralink/of.c | 2 ++
|
|
1 file changed, 2 insertions(+)
|
|
|
|
--- a/arch/mips/ralink/of.c
|
|
+++ b/arch/mips/ralink/of.c
|
|
@@ -3,7 +3,7 @@
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*
|
|
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
+ * Copyright (C) 2008-2014 Imre Kaloz <kaloz@openwrt.org>
|
|
* Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
|
|
* Copyright (C) 2013 John Crispin <john@phrozen.org>
|
|
*/
|
|
@@ -66,6 +66,19 @@ static int __init early_init_dt_find_mem
|
|
return 0;
|
|
}
|
|
|
|
+static int chosen_dtb;
|
|
+
|
|
+static int __init early_init_dt_find_chosen(unsigned long node, const char *uname,
|
|
+ int depth, void *data)
|
|
+{
|
|
+ if (depth == 1 && !strcmp(uname, "chosen"))
|
|
+ chosen_dtb = 1;
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+extern struct boot_param_header __image_dtb;
|
|
+
|
|
void __init plat_mem_setup(void)
|
|
{
|
|
set_io_port_base(KSEG1);
|
|
@@ -74,7 +87,11 @@ void __init plat_mem_setup(void)
|
|
* Load the builtin devicetree. This causes the chosen node to be
|
|
* parsed resulting in our memory appearing
|
|
*/
|
|
- __dt_setup_arch(__dtb_start);
|
|
+ __dt_setup_arch(&__image_dtb);
|
|
+
|
|
+ of_scan_flat_dt(early_init_dt_find_chosen, NULL);
|
|
+ if (chosen_dtb)
|
|
+ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
|
|
|
|
strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
|
|
|
|
--- a/arch/mips/kernel/head.S
|
|
+++ b/arch/mips/kernel/head.S
|
|
@@ -85,6 +85,9 @@ EXPORT(__image_cmdline)
|
|
.fill 0x400
|
|
#endif /* CONFIG_IMAGE_CMDLINE_HACK */
|
|
|
|
+ .ascii "OWRTDTB:"
|
|
+ EXPORT(__image_dtb)
|
|
+ .fill 0x4000
|
|
__REF
|
|
|
|
NESTED(kernel_entry, 16, sp) # kernel entry point
|
|
|