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software/liblitedram: Add missing read window re-centering after selecting bitslip in Write DQ-DQS training.

This commit is contained in:
Florent Kermarrec 2021-04-22 17:06:21 +02:00
parent 447d2648e8
commit fe7029a7e0
1 changed files with 3 additions and 1 deletions
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4
litex/soc/software/liblitedram/sdram.c
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@ -1071,10 +1071,12 @@ static void sdram_read_leveling_best_bitslip(int module)
sdram_read_leveling_inc_bitslip(module); sdram_read_leveling_inc_bitslip(module);
} }
/* Select best read window */ /* Select best read window and re-center it */
sdram_read_leveling_rst_bitslip(module); sdram_read_leveling_rst_bitslip(module);
for (bitslip=0; bitslip<best_bitslip; bitslip++) for (bitslip=0; bitslip<best_bitslip; bitslip++)
sdram_read_leveling_inc_bitslip(module); sdram_read_leveling_inc_bitslip(module);
sdram_leveling_center_module(module, 0, 0,
sdram_read_leveling_rst_delay, sdram_read_leveling_inc_delay);
} }
static void sdram_write_dq_dqs_training(void) static void sdram_write_dq_dqs_training(void)