diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/ddr/altera/sequencer.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 4585e37ce0..0d1e6c877c 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -1169,10 +1169,19 @@ static void rw_mgr_mem_calibrate_read_load_patterns(const u32 rank_bgn, set_rank_and_odt_mask(0, RW_MGR_ODT_MODE_OFF); } -/* - * try a read and see if it returns correct data back. has dummy reads - * inserted into the mix used to align dqs enable. has more thorough checks - * than the regular read test. +/** + * rw_mgr_mem_calibrate_read_test() - Perform READ test on single rank + * @rank_bgn: Rank number + * @group: Read/Write group + * @num_tries: Number of retries of the test + * @all_correct: All bits must be correct in the mask + * @bit_chk: Resulting bit mask after the test + * @all_groups: Test all R/W groups + * @all_ranks: Test all ranks + * + * Try a read and see if it returns correct data back. Test has dummy reads + * inserted into the mix used to align DQS enable. Test has more thorough + * checks than the regular read test. */ static int rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group, |