We will get DTB pointer in a0 register. Since a0 is used as argument by
other functions, we need to preserve it and then pass as argument to the
main_entry().
Signed-off-by: Oleksij Rempel <o.rem...@pengutronix.de>
---
arch/mips/boot/start.S | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/mips/boot/start.S b/arch/mips/boot/start.S
index e937e89af1..39ac9414d8 100644
--- a/arch/mips/boot/start.S
+++ b/arch/mips/boot/start.S
@@ -27,6 +27,10 @@ EXPORT(_start)
mips_barebox_10h
+ /* save dtb pointer */
+ move s0, a0
+ move s1, a1
+
/* disable watchpoints */
mtc0 zero, CP0_WATCHLO
mtc0 zero, CP0_WATCHHI
@@ -37,6 +41,9 @@ EXPORT(_start)
stack_setup
+ /* restore dtb pointer */
+ move a0, s0
+ move a1, s1
la v0, main_entry
jal v0
nop
--
2.19.1
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