From 39d144626b83143ce6fa89b0e1d1ff03bebf8390 Mon Sep 17 00:00:00 2001
From: Konrad Beckmann <konrad.beckmann@gmail.com>
Date: Tue, 29 Sep 2020 22:47:22 +0200
Subject: [PATCH] Fix build issue where sdram_leveling is not found
4f76656 rewrote how sdram_leveling() was called, leading
to linking problems for targets with sdram but with
write leveling disabled, e.g. ulx3s.
---
litex/soc/software/liblitedram/sdram.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/litex/soc/software/liblitedram/sdram.c b/litex/soc/software/liblitedram/sdram.c
index 8fb65b0d6..0d55db41f 100644
--- a/litex/soc/software/liblitedram/sdram.c
+++ b/litex/soc/software/liblitedram/sdram.c
@@ -801,7 +801,9 @@ int sdram_init(void)
ddrctrl_init_error_write(0);
#endif
init_sequence();
+#if defined(SDRAM_PHY_WRITE_LEVELING_CAPABLE) || defined(SDRAM_PHY_READ_LEVELING_CAPABLE)
sdram_leveling();
+#endif
sdram_software_control_off();
if(!memtest((unsigned int *) MAIN_RAM_BASE, MAIN_RAM_SIZE)) {
#ifdef CSR_DDRCTRL_BASE