commit 6b95be228024c7d15b9164b59187ef02333bb0c8
author York Sun <yorksun@freescale.com> Thu Mar 19 09:30:27 2015 -0700
committer York Sun <yorksun@freescale.com> Thu Apr 23 08:55:53 2015 -0700
tree 49df5d8e2ae4d0163319a538aedbeab022c1d869
parent 66869f955417b89dbf6b7cbb72738b2205a26bf8

driver/ddr/fsl: Fix driver to support empty first slot

CS0 was not allowed to be empty by u-boot driver in the past to simplify
the driver. This may be inconvenient for some debugging. This patch lifts
the restrictions. Controller interleaving still requires CS0 populated.

Signed-off-by: York Sun <yorksun@freescale.com>

drivers/ddr/fsl/interactive.c

diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c
index 57d14e8..d23e6e5 100644
--- a/drivers/ddr/fsl/interactive.c
+++ b/drivers/ddr/fsl/interactive.c
@@ -512,7 +512,7 @@
 		CTRL_OPTIONS_CS(3, odt_rd_cfg),
 		CTRL_OPTIONS_CS(3, odt_wr_cfg),
 #endif
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 		CTRL_OPTIONS_CS(0, odt_rtt_norm),
 		CTRL_OPTIONS_CS(0, odt_rtt_wr),
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
@@ -802,7 +802,7 @@
 		CTRL_OPTIONS_CS(3, odt_rd_cfg),
 		CTRL_OPTIONS_CS(3, odt_wr_cfg),
 #endif
-#if defined(CONFIG_SYS_FSL_DDR3)
+#if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4)
 		CTRL_OPTIONS_CS(0, odt_rtt_norm),
 		CTRL_OPTIONS_CS(0, odt_rtt_wr),
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 1)
@@ -844,6 +844,7 @@
 		CTRL_OPTIONS(twot_en),
 		CTRL_OPTIONS(threet_en),
 		CTRL_OPTIONS(registered_dimm_en),
+		CTRL_OPTIONS(mirrored_dimm),
 		CTRL_OPTIONS(ap_en),
 		CTRL_OPTIONS(x4_en),
 		CTRL_OPTIONS(bstopre),