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-rw-r--r--target/linux/ramips/patches-4.4/0103-MIPS-OWRTDTB.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-4.4/0103-MIPS-OWRTDTB.patch b/target/linux/ramips/patches-4.4/0103-MIPS-OWRTDTB.patch
new file mode 100644
index 0000000000..b90138317b
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0103-MIPS-OWRTDTB.patch
@@ -0,0 +1,44 @@
+From c174d2250e402399ad7dbdd57d51883d8804bba0 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 15 Jul 2013 00:40:37 +0200
+Subject: [PATCH 31/33] owrt: MIPS: add OWRTDTB secion
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/kernel/head.S | 3 +++
+ arch/mips/ralink/Makefile | 2 +-
+ arch/mips/ralink/of.c | 4 +++-
+ 3 files changed, 7 insertions(+), 2 deletions(-)
+
+--- a/arch/mips/kernel/head.S
++++ b/arch/mips/kernel/head.S
+@@ -86,6 +86,9 @@ 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
+--- a/arch/mips/ralink/of.c
++++ b/arch/mips/ralink/of.c
+@@ -66,6 +66,8 @@ static int __init early_init_dt_find_mem
+ return 0;
+ }
+
++extern struct boot_param_header __image_dtb;
++
+ void __init plat_mem_setup(void)
+ {
+ set_io_port_base(KSEG1);
+@@ -74,7 +76,7 @@ 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);
+
+ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+