diff options
Diffstat (limited to 'drivers/ddr')
| -rw-r--r-- | drivers/ddr/altera/sequencer.c | 98 |
1 files changed, 53 insertions, 45 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 5e3fec3e99..6cc11b9b19 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -3326,7 +3326,8 @@ static uint32_t mem_calibrate(void) for (write_group = 0, write_test_bgn = 0; write_group < RW_MGR_MEM_IF_WRITE_DQS_WIDTH; write_group++, write_test_bgn += RW_MGR_MEM_DQ_PER_WRITE_DQS) { - /* Initialized the group failure */ + + /* Initialize the group failure */ group_failed = 0; current_run = run_groups & ((1 << @@ -3343,7 +3344,7 @@ static uint32_t mem_calibrate(void) for (read_group = write_group * rwdqs_ratio, read_test_bgn = 0; - read_group < (write_group + 1) * rwdqs_ratio && group_failed == 0; + read_group < (write_group + 1) * rwdqs_ratio; read_group++, read_test_bgn += RW_MGR_MEM_DQ_PER_READ_DQS) { if (STATIC_CALIB_STEPS & CALIB_SKIP_VFIFO) @@ -3354,62 +3355,69 @@ static uint32_t mem_calibrate(void) read_test_bgn)) continue; - group_failed = 1; if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) return 0; + + /* The group failed, we're done. */ + goto grp_failed; } /* Calibrate the output side */ - if (group_failed == 0) { - for (rank_bgn = 0, sr = 0; - rank_bgn < RW_MGR_MEM_NUMBER_OF_RANKS; - rank_bgn += NUM_RANKS_PER_SHADOW_REG, sr++) { - if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) - continue; + for (rank_bgn = 0, sr = 0; + rank_bgn < RW_MGR_MEM_NUMBER_OF_RANKS; + rank_bgn += NUM_RANKS_PER_SHADOW_REG, sr++) { + if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) + continue; - /* Not needed in quick mode! */ - if (STATIC_CALIB_STEPS & CALIB_SKIP_DELAY_SWEEPS) - continue; + /* Not needed in quick mode! */ + if (STATIC_CALIB_STEPS & CALIB_SKIP_DELAY_SWEEPS) + continue; - /* - * Determine if this set of ranks - * should be skipped entirely. - */ - if (param->skip_shadow_regs[sr]) - continue; + /* + * Determine if this set of ranks + * should be skipped entirely. + */ + if (param->skip_shadow_regs[sr]) + continue; - /* Calibrate WRITEs */ - if (rw_mgr_mem_calibrate_writes(rank_bgn, - write_group, write_test_bgn)) - continue; + /* Calibrate WRITEs */ + if (rw_mgr_mem_calibrate_writes(rank_bgn, + write_group, write_test_bgn)) + continue; - group_failed = 1; - if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) - return 0; - } + group_failed = 1; + if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) + return 0; } - if (group_failed == 0) { - for (read_group = write_group * rwdqs_ratio, - read_test_bgn = 0; - read_group < (write_group + 1) * rwdqs_ratio && group_failed == 0; - read_group++, - read_test_bgn += RW_MGR_MEM_DQ_PER_READ_DQS) { - if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) - continue; - - if (rw_mgr_mem_calibrate_vfifo_end(read_group, - read_test_bgn)) - continue; - - group_failed = 1; - if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) - return 0; - } + /* Some group failed, we're done. */ + if (group_failed) + goto grp_failed; + + for (read_group = write_group * rwdqs_ratio, + read_test_bgn = 0; + read_group < (write_group + 1) * rwdqs_ratio; + read_group++, + read_test_bgn += RW_MGR_MEM_DQ_PER_READ_DQS) { + if (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) + continue; + + if (rw_mgr_mem_calibrate_vfifo_end(read_group, + read_test_bgn)) + continue; + + if (!(gbl->phy_debug_mode_flags & PHY_DEBUG_SWEEP_ALL_GROUPS)) + return 0; + + /* The group failed, we're done. */ + goto grp_failed; } - if (group_failed != 0) - failing_groups++; + /* No group failed, continue as usual. */ + continue; + +grp_failed: /* A group failed, increment the counter. */ + failing_groups++; } /* |