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Diffstat (limited to 'drivers/ddr/fsl/options.c')
-rw-r--r--drivers/ddr/fsl/options.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index 791d644101..d0075ff1fd 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -1002,8 +1002,19 @@ unsigned int populate_memctl_options(const common_timing_params_t *common_dimm,
popts->twot_en = 0;
popts->threet_en = 0;
- /* for RDIMM, address parity enable */
- popts->ap_en = 1;
+ /* for RDIMM and DDR4 UDIMM/discrete memory, address parity enable */
+ if (popts->registered_dimm_en)
+ popts->ap_en = 1; /* 0 = disable, 1 = enable */
+ else
+ popts->ap_en = 0; /* disabled for DDR4 UDIMM/discrete default */
+
+ if (hwconfig_sub_f("fsl_ddr", "parity", buf)) {
+ if (hwconfig_subarg_cmp_f("fsl_ddr", "parity", "on", buf)) {
+ if (popts->registered_dimm_en ||
+ (CONFIG_FSL_SDRAM_TYPE == SDRAM_TYPE_DDR4))
+ popts->ap_en = 1;
+ }
+ }
/*
* BSTTOPRE precharge interval
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