Use appended DTB when available.
Signed-off-by: Jaedon Shin <jaedon.shin@xxxxxxxxx>
---
arch/mips/bmips/setup.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 6776042679dd..895baf517db8 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -17,6 +17,7 @@
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>
+#include <linux/libfdt.h>
#include <linux/smp.h>
#include <asm/addrspace.h>
#include <asm/bmips.h>
@@ -150,6 +151,8 @@ void __init plat_time_init(void)
mips_hpt_frequency = freq;
}
+extern const char __appended_dtb;
+
void __init plat_mem_setup(void)
{
void *dtb;
@@ -159,6 +162,11 @@ void __init plat_mem_setup(void)
ioport_resource.start = 0;
ioport_resource.end = ~0;
+#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
+ if (!fdt_check_header(&__appended_dtb))
+ dtb = (void *)&__appended_dtb;
+ else
+#endif
/* intended to somewhat resemble ARM; see Documentation/arm/Booting */
if (fw_arg0 == 0 && fw_arg1 == 0xffffffff)
dtb = phys_to_virt(fw_arg2);
--
2.10.0
