diff options
| author | Nitin Yadav <n-yadav@ti.com> | 2024-04-18 14:00:57 -0500 |
|---|---|---|
| committer | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2024-05-02 11:47:14 +0200 |
| commit | caeb8641a8e4be140ce29c14eb8471c0a1766f7a (patch) | |
| tree | deac665527c0cb09a193531c10a08e3d4b00e8e8 | |
| parent | 7a123f7b3c98b71adbd10239a7f436362609d043 (diff) | |
mmc: am654_sdhci: Fix OTAP/ITAP delay values
U-Boot is failing to boot class U1 UHS SD cards due to incorrect
OTAP and ITAP delay select values. Update OTAP and ITAP delay select
values from DT.
Upstream-Status: Backport [5048b5c61afddddb0a6ff2e6bffdd9dd028e399b]
Fixes: c7d106b4eb3 ("mmc: am654_sdhci: Update output tap delay writes")
Signed-off-by: Nitin Yadav <n-yadav@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
| -rw-r--r-- | drivers/mmc/am654_sdhci.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/mmc/am654_sdhci.c b/drivers/mmc/am654_sdhci.c index 8ec3285337..40105502ca 100644 --- a/drivers/mmc/am654_sdhci.c +++ b/drivers/mmc/am654_sdhci.c @@ -513,14 +513,23 @@ static int j721e_4bit_sdhci_set_ios_post(struct sdhci_host *host) { struct udevice *dev = host->mmc->dev; struct am654_sdhci_plat *plat = dev_get_plat(dev); - u32 otap_del_sel, itap_del_sel, mask, val; - - otap_del_sel = plat->otap_del_sel[host->mmc->selected_mode]; - itap_del_sel = plat->itap_del_sel[host->mmc->selected_mode]; - mask = OTAPDLYENA_MASK | OTAPDLYSEL_MASK | ITAPDLYSEL_MASK | - ITAPDLYENA_MASK; - val = (1 << OTAPDLYENA_SHIFT) | (otap_del_sel << OTAPDLYSEL_SHIFT) | - (1 << ITAPDLYENA_SHIFT) | (itap_del_sel << ITAPDLYSEL_SHIFT); + int mode = host->mmc->selected_mode; + u32 otap_del_sel; + u32 itap_del_sel; + u32 mask, val; + + otap_del_sel = plat->otap_del_sel[mode]; + + mask = OTAPDLYENA_MASK | OTAPDLYSEL_MASK; + val = (1 << OTAPDLYENA_SHIFT) | + (otap_del_sel << OTAPDLYSEL_SHIFT); + + itap_del_sel = plat->itap_del_sel[mode]; + + mask |= ITAPDLYENA_MASK | ITAPDLYSEL_MASK; + val |= (1 << ITAPDLYENA_SHIFT) | + (itap_del_sel << ITAPDLYSEL_SHIFT); + regmap_update_bits(plat->base, PHY_CTRL4, ITAPCHGWIN_MASK, 1 << ITAPCHGWIN_SHIFT); regmap_update_bits(plat->base, PHY_CTRL4, mask, val); |