diff options
Diffstat (limited to 'src/northbridge/amd/amdmct')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c index a66174e68f..3ab8e46098 100644 --- a/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctdqs_d.c @@ -1318,6 +1318,8 @@ static uint8_t TrainDQSRdWrPos_D_Fam15(struct MCTStatStruc *pMCTstat, uint8_t write_iter; uint8_t read_iter; uint8_t check_antiphase; + uint8_t passing_read_dqs_delay_found; + uint8_t passing_write_dqs_delay_found; uint16_t initial_write_dqs_delay[MAX_BYTE_LANES]; uint16_t initial_read_dqs_delay[MAX_BYTE_LANES]; uint16_t initial_write_data_timing[MAX_BYTE_LANES]; @@ -1385,6 +1387,9 @@ static uint8_t TrainDQSRdWrPos_D_Fam15(struct MCTStatStruc *pMCTstat, memcpy(current_write_data_delay, initial_write_data_timing, sizeof(current_write_data_delay)); for (lane = lane_start; lane < lane_end; lane++) { + passing_read_dqs_delay_found = 0; + passing_write_dqs_delay_found = 0; + /* 2.10.5.8.4 (2) * For each Write Data Delay value from Write DQS Delay to Write DQS Delay + 1 UI */ @@ -1510,7 +1515,7 @@ static uint8_t TrainDQSRdWrPos_D_Fam15(struct MCTStatStruc *pMCTstat, /* Program the Read DQS Timing Control register with the center of the passing window */ current_read_dqs_delay[lane] = region_center << 1; - passing_dqs_delay_found[lane] = 1; + passing_read_dqs_delay_found = 1; /* Commit the current Read DQS Timing Control settings to the hardware registers */ write_dqs_read_data_timing_registers(current_read_dqs_delay, dev, dct, dimm, index_reg); @@ -1563,7 +1568,7 @@ static uint8_t TrainDQSRdWrPos_D_Fam15(struct MCTStatStruc *pMCTstat, current_write_dqs_delay[lane] = ((best_pos + initial_write_dqs_delay[lane]) + (best_count / 3)); else current_write_dqs_delay[lane] = ((best_pos + initial_write_dqs_delay[lane]) + (best_count / 2)); - passing_dqs_delay_found[lane] = 1; + passing_write_dqs_delay_found = 1; /* Commit the current Write DQS Timing Control settings to the hardware registers */ write_dqs_write_data_timing_registers(current_write_dqs_delay, dev, dct, dimm, index_reg); @@ -1580,6 +1585,9 @@ static uint8_t TrainDQSRdWrPos_D_Fam15(struct MCTStatStruc *pMCTstat, /* Reprogram the Write DQS Timing Control register with the original settings */ write_dqs_write_data_timing_registers(current_write_dqs_delay, dev, dct, dimm, index_reg); } + + if (passing_read_dqs_delay_found && passing_write_dqs_delay_found) + passing_dqs_delay_found[lane] = 1; } #ifdef PRINT_PASS_FAIL_BITMAPS |