aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/boot/compressed/head.S
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@arm.linux.org.uk>2015-07-07 12:35:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-07-07 12:35:33 +0100
commit06be5eefe1192eb8ce8d07497f67595b6bfe9741 (patch)
tree80f1987d4970f8079681f8be0c135cafc8d6329a /arch/mips/boot/compressed/head.S
parentARM: fix lockdep unannotated irqs-off warning (diff)
parentARM: avoid unwanted GCC memset()/memcpy() optimisations for IO variants (diff)
downloadlinux-dev-06be5eefe1192eb8ce8d07497f67595b6bfe9741.tar.xz
linux-dev-06be5eefe1192eb8ce8d07497f67595b6bfe9741.zip
Merge branches 'fixes' and 'ioremap' into for-linus
Diffstat (limited to 'arch/mips/boot/compressed/head.S')
-rw-r--r--arch/mips/boot/compressed/head.S16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/boot/compressed/head.S b/arch/mips/boot/compressed/head.S
index 409cb483a9ff..c580e853b9fb 100644
--- a/arch/mips/boot/compressed/head.S
+++ b/arch/mips/boot/compressed/head.S
@@ -25,6 +25,22 @@ start:
move s2, a2
move s3, a3
+#ifdef CONFIG_MIPS_ZBOOT_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 s1, t0
+ PTR_LI s0, -2
+not_found:
+#endif
+
/* Clear BSS */
PTR_LA a0, _edata
PTR_LA a2, _end