]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
mv_ddr: ddr3: Use correct bitmask for read sample delay
authorChris Packham <chris.packham@alliedtelesis.co.nz>
Wed, 27 May 2020 01:31:29 +0000 (13:31 +1200)
committerStefan Roese <sr@denx.de>
Thu, 9 Jul 2020 04:49:44 +0000 (06:49 +0200)
In the Armada 385 functional spec (MV-S109094-00 Rev. C) the read sample
delay fields are 5 bits wide. Use the correct bitmask of 0x1f when
extracting the value.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
[upstream https://github.com/MarvellEmbeddedProcessors/mv-ddr-marvell/pull/22]
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
drivers/ddr/marvell/a38x/ddr3_training_hw_algo.c

index df832ac6dce05cf0424c37da4dc6320c4f0a0e1b..ce9a47fc2ce084ce761665c9f376b23346b3e3f9 100644 (file)
@@ -11,7 +11,7 @@
 #define VREF_MAX_INDEX                 7
 #define MAX_VALUE                      (1024 - 1)
 #define MIN_VALUE                      (-MAX_VALUE)
-#define GET_RD_SAMPLE_DELAY(data, cs)  ((data >> rd_sample_mask[cs]) & 0xf)
+#define GET_RD_SAMPLE_DELAY(data, cs)  ((data >> rd_sample_mask[cs]) & 0x1f)
 
 u32 ca_delay;
 int ddr3_tip_centr_skip_min_win_check = 0;