diff options
| author | Siva Durga Prasad Paladugu <sivadur@xilinx.com> | 2018-04-19 12:37:07 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2018-05-11 09:38:27 +0200 |
| commit | ca992e82e4e3428db0809303ebb9b696a77fa189 (patch) | |
| tree | 14c6b99739accc61f1a11518c78af6ceaf0e8598 /drivers/mmc/sdhci.c | |
| parent | 2fc3ed5d06121ab47e45127fc534881ed3be235d (diff) | |
mmc: sdhci: Invoke platform specific tuning and delay routines
This patch adds support to invoke any platform specific tuning
and delay routines if available.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/mmc/sdhci.c')
| -rw-r--r-- | drivers/mmc/sdhci.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index d92f6db374..efc5a62e61 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -305,6 +305,24 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd, return -ECOMM; } +#if defined(CONFIG_DM_MMC) && defined(MMC_SUPPORTS_TUNING) +static int sdhci_execute_tuning(struct udevice *dev, uint opcode) +{ + int err; + struct mmc *mmc = mmc_get_mmc_dev(dev); + struct sdhci_host *host = mmc->priv; + + debug("%s\n", __func__); + + if (host->ops->platform_execute_tuning) { + err = host->ops->platform_execute_tuning(mmc, opcode); + if (err) + return err; + return 0; + } + return 0; +} +#endif static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) { struct sdhci_host *host = mmc->priv; @@ -329,6 +347,9 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock) if (clock == 0) return 0; + if (host->ops->set_delay) + host->ops->set_delay(host); + if (SDHCI_GET_VERSION(host) >= SDHCI_SPEC_300) { /* * Check if the Host Controller supports Programmable Clock @@ -521,6 +542,9 @@ int sdhci_probe(struct udevice *dev) const struct dm_mmc_ops sdhci_ops = { .send_cmd = sdhci_send_command, .set_ios = sdhci_set_ios, +#ifdef MMC_SUPPORTS_TUNING + .execute_tuning = sdhci_execute_tuning, +#endif }; #else static const struct mmc_ops sdhci_ops = { |