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From 6beb1af1b1475478c8f275b9579c9ebe4dad2904 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Tue, 19 Mar 2013 10:16:42 +0100
Subject: [PATCH 205/208] 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
@@ -146,6 +146,9 @@ 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/Makefile
+++ b/arch/mips/ralink/Makefile
@@ -15,4 +15,4 @@ obj-$(CONFIG_SOC_MT7620) += mt7620.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-y += dts/
+#obj-y += dts/
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -76,6 +76,8 @@ 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);
@@ -84,7 +86,7 @@ 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);
}
static int __init plat_of_setup(void)
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