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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(-)
--- 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);
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