From a6a64d879cea1d8a6520c9f506a0ce736115a58a Mon Sep 17 00:00:00 2001
From: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Date: Mon, 3 Apr 2023 14:01:54 +0200
Subject: [PATCH] board: verdin-imx8mp: fix lpddr4 refresh timing

Change tRFCmin (tRFCab) from 280 ns to 380 ns to be compliant with
current and futures memories.

Fixes: 0461c5f01362 ("board: toradex: add verdin imx8m plus support")

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
 board/toradex/verdin-imx8mp/lpddr4_timing.c | 24 ++++++++++-----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/board/toradex/verdin-imx8mp/lpddr4_timing.c b/board/toradex/verdin-imx8mp/lpddr4_timing.c
index 314b74e7df..58278d2150 100644
--- a/board/toradex/verdin-imx8mp/lpddr4_timing.c
+++ b/board/toradex/verdin-imx8mp/lpddr4_timing.c
@@ -21,7 +21,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d400000, 0xa3080020 },
 	{ 0x3d400020, 0x1303 },
 	{ 0x3d400024, 0x1e84800 },
-	{ 0x3d400064, 0x7a0118 },
+	{ 0x3d400064, 0x7a017c },
 	{ 0x3d400070, 0x61027f10 },
 	{ 0x3d400074, 0x7b0 },
 	{ 0x3d4000d0, 0xc00307a3 },
@@ -39,7 +39,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d40011c, 0x501 },
 	{ 0x3d400130, 0x20800 },
 	{ 0x3d400134, 0xe100002 },
-	{ 0x3d400138, 0x120 },
+	{ 0x3d400138, 0x184 },
 	{ 0x3d400144, 0xc80064 },
 	{ 0x3d400180, 0x3e8001e },
 	{ 0x3d400184, 0x3207a12 },
@@ -77,7 +77,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d402020, 0x1001 },
 	{ 0x3d402024, 0x30d400 },
 	{ 0x3d402050, 0x20d000 },
-	{ 0x3d402064, 0xc001c },
+	{ 0x3d402064, 0xc0026 },
 	{ 0x3d4020dc, 0x840000 },
 	{ 0x3d4020e0, 0x330000 },
 	{ 0x3d4020e8, 0x660048 },
@@ -92,7 +92,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d40211c, 0x301 },
 	{ 0x3d402130, 0x20300 },
 	{ 0x3d402134, 0xa100002 },
-	{ 0x3d402138, 0x1d },
+	{ 0x3d402138, 0x27 },
 	{ 0x3d402144, 0x14000a },
 	{ 0x3d402180, 0x640004 },
 	{ 0x3d402190, 0x3818200 },
@@ -102,7 +102,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d403020, 0x1001 },
 	{ 0x3d403024, 0xc3500 },
 	{ 0x3d403050, 0x20d000 },
-	{ 0x3d403064, 0x30007 },
+	{ 0x3d403064, 0x3000a },
 	{ 0x3d4030dc, 0x840000 },
 	{ 0x3d4030e0, 0x330000 },
 	{ 0x3d4030e8, 0x660048 },
@@ -117,7 +117,7 @@ struct dram_cfg_param ddr_ddrc_cfg[] = {
 	{ 0x3d40311c, 0x301 },
 	{ 0x3d403130, 0x20300 },
 	{ 0x3d403134, 0xa100002 },
-	{ 0x3d403138, 0x8 },
+	{ 0x3d403138, 0xa },
 	{ 0x3d403144, 0x50003 },
 	{ 0x3d403180, 0x190004 },
 	{ 0x3d403190, 0x3818200 },
@@ -1841,7 +1841,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d400000, 0xa1080020 },
 	{ 0x3d400020, 0x1303 },
 	{ 0x3d400024, 0x1e84800 },
-	{ 0x3d400064, 0x7a0118 },
+	{ 0x3d400064, 0x7a017c },
 	{ 0x3d400070, 0x61027f10 },
 	{ 0x3d400074, 0x7b0 },
 	{ 0x3d4000d0, 0xc00307a3 },
@@ -1859,7 +1859,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d40011c, 0x501 },
 	{ 0x3d400130, 0x20800 },
 	{ 0x3d400134, 0xe100002 },
-	{ 0x3d400138, 0x120 },
+	{ 0x3d400138, 0x184 },
 	{ 0x3d400144, 0xc80064 },
 	{ 0x3d400180, 0x3e8001e },
 	{ 0x3d400184, 0x3207a12 },
@@ -1897,7 +1897,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d402020, 0x1001 },
 	{ 0x3d402024, 0x30d400 },
 	{ 0x3d402050, 0x20d000 },
-	{ 0x3d402064, 0xc001c },
+	{ 0x3d402064, 0xc0026 },
 	{ 0x3d4020dc, 0x840000 },
 	{ 0x3d4020e0, 0x330000 },
 	{ 0x3d4020e8, 0x660048 },
@@ -1912,7 +1912,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d40211c, 0x301 },
 	{ 0x3d402130, 0x20300 },
 	{ 0x3d402134, 0xa100002 },
-	{ 0x3d402138, 0x1d },
+	{ 0x3d402138, 0x27 },
 	{ 0x3d402144, 0x14000a },
 	{ 0x3d402180, 0x640004 },
 	{ 0x3d402190, 0x3818200 },
@@ -1922,7 +1922,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d403020, 0x1001 },
 	{ 0x3d403024, 0xc3500 },
 	{ 0x3d403050, 0x20d000 },
-	{ 0x3d403064, 0x30007 },
+	{ 0x3d403064, 0x3000a },
 	{ 0x3d4030dc, 0x840000 },
 	{ 0x3d4030e0, 0x330000 },
 	{ 0x3d4030e8, 0x660048 },
@@ -1937,7 +1937,7 @@ struct dram_cfg_param ddr_ddrc_cfg2[] = {
 	{ 0x3d40311c, 0x301 },
 	{ 0x3d403130, 0x20300 },
 	{ 0x3d403134, 0xa100002 },
-	{ 0x3d403138, 0x8 },
+	{ 0x3d403138, 0xa },
 	{ 0x3d403144, 0x50003 },
 	{ 0x3d403180, 0x190004 },
 	{ 0x3d403190, 0x3818200 },
-- 
2.39.5