From 52d7f59af5ea2bc6eaf90d9e4d30c57a52523e22 Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Thu, 25 Jun 2020 09:01:33 +0200
Subject: [PATCH] software/liblitedram: remove DDRPHY_CMD_DELAY support (no
 longer useful).

---
 litex/soc/software/liblitedram/sdram.c | 21 ---------------------
 litex/soc/software/liblitedram/sdram.h |  4 ----
 2 files changed, 25 deletions(-)

diff --git a/litex/soc/software/liblitedram/sdram.c b/litex/soc/software/liblitedram/sdram.c
index 0a6ff951..933c71a4 100644
--- a/litex/soc/software/liblitedram/sdram.c
+++ b/litex/soc/software/liblitedram/sdram.c
@@ -164,24 +164,6 @@ void sdrwr(unsigned int addr)
 
 #ifdef CSR_DDRPHY_BASE
 
-#if defined(DDRPHY_CMD_DELAY)
-void ddrphy_cdly(unsigned int delay) {
-	printf("Setting clk/cmd delay to %d taps\n", delay);
-#if CSR_DDRPHY_EN_VTC_ADDR
-	ddrphy_en_vtc_write(0);
-#endif
-	ddrphy_cdly_rst_write(1);
-	while (delay > 0) {
-		ddrphy_cdly_inc_write(1);
-		cdelay(1000);
-		delay--;
-	}
-#if CSR_DDRPHY_EN_VTC_ADDR
-	ddrphy_en_vtc_write(1);
-#endif
-}
-#endif
-
 #ifdef SDRAM_PHY_WRITE_LEVELING_CAPABLE
 void sdrwlon(void)
 {
@@ -814,9 +796,6 @@ int sdrinit(void)
 	sdrsw();
 	init_sequence();
 #ifdef CSR_DDRPHY_BASE
-#ifdef DDRPHY_CMD_DELAY
-	ddrphy_cdly(DDRPHY_CMD_DELAY);
-#endif
 #if CSR_DDRPHY_EN_VTC_ADDR
 	ddrphy_en_vtc_write(0);
 #endif
diff --git a/litex/soc/software/liblitedram/sdram.h b/litex/soc/software/liblitedram/sdram.h
index 565e9b51..087d0101 100644
--- a/litex/soc/software/liblitedram/sdram.h
+++ b/litex/soc/software/liblitedram/sdram.h
@@ -19,8 +19,4 @@ int sdrlevel(void);
 
 int sdrinit(void);
 
-#if defined(DDRPHY_CMD_DELAY) || defined(USDDRPHY_DEBUG)
-void ddrphy_cdly(unsigned int delay);
-#endif
-
 #endif /* __SDRAM_H */
-- 
2.30.2