aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/kernel/head.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/head.S')
-rw-r--r--arch/mips/kernel/head.S16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 95afd663cd45..4e4cc5b9a771 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -94,6 +94,22 @@ NESTED(kernel_entry, 16, sp) # kernel entry point
jr t0
0:
+#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
+ PTR_LA t0, __appended_dtb
+
+#ifdef CONFIG_CPU_BIG_ENDIAN
+ li t1, 0xd00dfeed
+#else
+ li t1, 0xedfe0dd0
+#endif
+ lw t2, (t0)
+ bne t1, t2, not_found
+ nop
+
+ move a1, t0
+ PTR_LI a0, -2
+not_found:
+#endif
PTR_LA t0, __bss_start # clear .bss
LONG_S zero, (t0)
PTR_LA t1, __bss_stop - LONGSIZE