[PATCH] arm: mvebu: Hang if ddr3_init() fails

Pali Rohár
2021-08-09T15:45:16Z

If ddr3_init() fails then DDR was not initialized and we cannot load and
execute U-Boot. We cannot continue, we cannot do anything in this case, so
hang.

Signed-off-by: Pali Rohár <pali@kernel.org>
---
arch/arm/mach-mvebu/spl.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 3b6bc3897090..f0cf60bb1488 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -345,7 +345,11 @@ void board_init_f(ulong dummy)
serdes_phy_config();

/* Setup DDR */
- ddr3_init();
+ ret = ddr3_init();
+ if (ret) {
+ debug("ddr3_init() failed: %d\n", ret);
+ hang();
+ }
#endif

/* Initialize Auto Voltage Scaling */
--
2.20.1