openwrt-owl/target/linux/ramips/patches-3.10/0031-owrt-MIPS-add-OWRTDTB-...

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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(-)
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index c61cdae..b4e55bb 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -140,6 +140,9 @@ FEXPORT(__kernel_entry)
j kernel_entry
#endif
+ .ascii "OWRTDTB:"
+ EXPORT(__image_dtb)
+ .fill 0x4000
__REF
NESTED(kernel_entry, 16, sp) # kernel entry point
diff --git a/arch/mips/ralink/Makefile b/arch/mips/ralink/Makefile
index 03af636..9b32626 100644
--- a/arch/mips/ralink/Makefile
+++ b/arch/mips/ralink/Makefile
@@ -19,4 +19,4 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_DEBUG_FS) += bootrom.o
-obj-y += dts/
+#obj-y += dts/
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 2faf478..d87222f 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -83,6 +83,8 @@ void __init device_tree_init(void)
//free_bootmem(base, size);
}
+extern struct boot_param_header __image_dtb;
+
void __init plat_mem_setup(void)
{
set_io_port_base(KSEG1);
@@ -91,7 +93,7 @@ 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);
if (soc_info.mem_size)
add_memory_region(soc_info.mem_base, soc_info.mem_size * SZ_1M,
--
1.7.10.4