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authorMarek Vasut <marek.vasut+renesas@mailbox.org>2025-03-16 14:51:41 +0100
committerMarek Vasut <marek.vasut+renesas@mailbox.org>2025-03-16 14:56:16 +0100
commitda7662f6bb02806690dac6b25a6e582ed21254d0 (patch)
tree49d49fc106c9cf8b85ef3520c93c6795b9cbe9a7
parent9a106f15fac20790c272023845ec10e46281bef2 (diff)
ram: renesas: dbsc5: Fix DBTR11 calculation
Reinstate missing increment by two in DBTR11 calculation based on the original DBSC5 initialization code rev.0.80. The original code did ... ODTLon - (js2[JS2_tODTon_min] - 1) + 1 , which was incorrectly converted into ODTLon - js2[JS2_tODTon_min], but should have been converted to ODTLon - js2[JS2_tODTon_min] + 2. Add the missing +2 . Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
-rw-r--r--drivers/ram/renesas/dbsc5/dram.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ram/renesas/dbsc5/dram.c b/drivers/ram/renesas/dbsc5/dram.c
index 289d1224673..0616658e9f8 100644
--- a/drivers/ram/renesas/dbsc5/dram.c
+++ b/drivers/ram/renesas/dbsc5/dram.c
@@ -2635,7 +2635,7 @@ static void dbsc5_dbsc_regset(struct udevice *dev)
*/
dbsc5_reg_write(regs_dbsc_d + DBSC_DBTR(11),
priv->RL + 4 + priv->js2[JS2_tWCK2DQO_HF] -
- js1[priv->js1_ind].ODTLon - priv->js2[JS2_tODTon_min]);
+ js1[priv->js1_ind].ODTLon - priv->js2[JS2_tODTon_min] + 2);
/* DBTR12.TWRRD_S : WL + BL/2 + tWTR_S, TWRRD_L : WL + BL + tWTR_L */
dbsc5_reg_write(regs_dbsc_d + DBSC_DBTR(12),