From: Siva Durga Prasad Paladugu <[email protected]> This patch adds support to invoke any platform specific tuning and delay routines if available.
Signed-off-by: Siva Durga Prasad Paladugu <[email protected]> --- drivers/mmc/sdhci.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 2ce3b57..c17ab12 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -306,6 +306,24 @@ 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; @@ -330,6 +348,9 @@ 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 = { -- 2.7.4 This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately. _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
