C++ (Cpp) sdhci_msm_cdclp533_calibration Examples

Example #1

File: sdhci-msm.c Project: forgivemyheart/linux

static int sdhci_msm_hs400_dll_calibration(struct sdhci_host *host)
{
	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
	int ret;
	u32 config;

	pr_debug("%s: %s: Enter\n", mmc_hostname(host->mmc), __func__);

	/*
	 * Retuning in HS400 (DDR mode) will fail, just reset the
	 * tuning block and restore the saved tuning phase.
	 */
	ret = msm_init_cm_dll(host);
	if (ret)
		goto out;

	/* Set the selected phase in delay line hw block */
	ret = msm_config_cm_dll_phase(host, msm_host->saved_tuning_phase);
	if (ret)
		goto out;

	config = readl_relaxed(host->ioaddr + CORE_DLL_CONFIG);
	config |= CORE_CMD_DAT_TRACK_SEL;
	writel_relaxed(config, host->ioaddr + CORE_DLL_CONFIG);
	if (msm_host->use_cdclp533)
		ret = sdhci_msm_cdclp533_calibration(host);
	else
		ret = sdhci_msm_cm_dll_sdc4_calibration(host);
out:
	pr_debug("%s: %s: Exit, ret %d\n", mmc_hostname(host->mmc),
		 __func__, ret);
	return ret;
}

Example #2

File: sdhci_msm.c Project: cancro-dev/lk_candyboot

static uint32_t sdhci_msm_hs400_calibration(struct sdhci_host *host)
{
	DBG("\n HS400 Calibration Start\n");

	/* Reset & Initialize the DLL block */
	if (sdhci_msm_init_dll(host))
		return 1;

	/* Write the save phase */
	if (sdhci_msm_config_dll(host, host->msm_host->saved_phase))
		return 1;

	/* Write 1 to CMD_DAT_TRACK_SEL field in DLL_CONFIG */
	REG_WRITE32(host, (REG_READ32(host, SDCC_DLL_CONFIG_REG) | CMD_DAT_TRACK_SEL), SDCC_DLL_CONFIG_REG);

	if (host->use_cdclp533)
		return sdhci_msm_cdclp533_calibration(host);
	else
		return sdhci_msm_cm_dll_sdc4_calibration(host);

	DBG("\n HS400 Calibration Done\n");

	return 0;
}