diff options
| author | Judith Mendez | 2024-04-18 14:00:59 -0500 |
|---|---|---|
| committer | Tom Rini | 2024-04-29 10:55:27 -0600 |
| commit | a124e31a97cd2963181d3a8a00678998bf9958a2 (patch) | |
| tree | 2446acb10a414771bd2917998ea081b1a2ea9868 /drivers/mmc | |
| parent | 056af04a39aef6d9777a8d4fc29917b4494db4a5 (diff) | |
mmc: am654_sdhci: Set ENDLL=1 for DDR52 mode
According to the device datasheet [0], ENDLL=1 for
DDR52 mode, so call am654_sdhci_setup_dll() and write
itapdly after since we do not carry out tuning.
[0] https://www.ti.com/lit/ds/symlink/am62p.pdf
Fixes: c964447ea3d6 ("mmc: am654_sdhci: Add support for input tap delay")
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/am654_sdhci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c index 62007ebd0f4..e1047812fa8 100644 --- a/drivers/mmc/am654_sdhci.c +++ b/drivers/mmc/am654_sdhci.c @@ -289,12 +289,14 @@ static int am654_sdhci_set_ios_post(struct sdhci_host *host) regmap_update_bits(plat->base, PHY_CTRL4, mask, val); - if (mode > UHS_SDR25 && speed >= CLOCK_TOO_SLOW_HZ) { + if ((mode > UHS_SDR25 || mode == MMC_DDR_52) && speed >= CLOCK_TOO_SLOW_HZ) { ret = am654_sdhci_setup_dll(plat, speed); if (ret) return ret; plat->dll_enable = true; + am654_sdhci_write_itapdly(plat, plat->itap_del_sel[mode], + plat->itap_del_ena[mode]); } else { am654_sdhci_setup_delay_chain(plat, mode); plat->dll_enable = false; |