[U-Boot] [PATCH 1/9] powerpc, mpc8xx: clear top of stack

[Christophe Leroy]

Reported-by: Joakim Tjernlund <Joakim.Tjernlund at infinera.com>
Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
 arch/powerpc/cpu/mpc8xx/start.S | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/cpu/mpc8xx/start.S b/arch/powerpc/cpu/mpc8xx/start.S
index 8dde4beeea1..b8bdaaec2fa 100644
--- a/arch/powerpc/cpu/mpc8xx/start.S
+++ b/arch/powerpc/cpu/mpc8xx/start.S
@@ -144,9 +144,11 @@ in_flash:
 	ori	r2, r2, CONFIG_SYS_DER at l
 	mtspr	DER, r2
 
-	/* set up the stack in internal DPRAM */
+	/* set up the stack on top of internal DPRAM */
 	lis	r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@h
 	ori	r3, r3, (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE)@l
+	stw	r0, -4(r3)
+	stw	r0, -8(r3)
 	addi	r1, r3, -8
 
 	bl	board_init_f_alloc_reserve
-- 
2.13.3