26 /* Register Offset of SD Host Controller SOCP self-defined register */
121 	struct sdhci_host host;  member
131 static int xenon_mmc_phy_init(struct sdhci_host *host)  in xenon_mmc_phy_init()  argument
133 	struct xenon_sdhci_priv *priv = host->mmc->priv;  in xenon_mmc_phy_init()
139 	var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_init()
147 	sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_init()
149 	/* Poll for host MMC PHY clock init to be stable */  in xenon_mmc_phy_init()
153 		var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);  in xenon_mmc_phy_init()
166 	var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_init()
168 	sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_init()
175 	/* Poll for host eMMC PHY init to complete */  in xenon_mmc_phy_init()
179 		var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_init()
184 		/* wait for host eMMC PHY init to complete */  in xenon_mmc_phy_init()
199 static void armada_3700_soc_pad_voltage_set(struct sdhci_host *host)  in armada_3700_soc_pad_voltage_set()  argument
201 	struct xenon_sdhci_priv *priv = host->mmc->priv;  in armada_3700_soc_pad_voltage_set()
209 static void xenon_mmc_phy_set(struct sdhci_host *host)  in xenon_mmc_phy_set()  argument
211 	struct xenon_sdhci_priv *priv = host->mmc->priv;  in xenon_mmc_phy_set()
215 	var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL);  in xenon_mmc_phy_set()
218 	sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL);  in xenon_mmc_phy_set()
221 	var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL1);  in xenon_mmc_phy_set()
224 	sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL1);  in xenon_mmc_phy_set()
237 		var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_set()
239 		sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);  in xenon_mmc_phy_set()
246 	var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);  in xenon_mmc_phy_set()
248 	sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);  in xenon_mmc_phy_set()
250 	var = sdhci_readl(host, EMMC_PHY_FUNC_CONTROL);  in xenon_mmc_phy_set()
251 	if (host->mmc->ddr_mode) {  in xenon_mmc_phy_set()
257 	sdhci_writel(host, var, EMMC_PHY_FUNC_CONTROL);  in xenon_mmc_phy_set()
260 	var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);  in xenon_mmc_phy_set()
262 	sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);  in xenon_mmc_phy_set()
264 	xenon_mmc_phy_init(host);  in xenon_mmc_phy_set()
268 static void xenon_mmc_set_acg(struct sdhci_host *host, bool enable)  in xenon_mmc_set_acg()  argument
272 	var = sdhci_readl(host, SDHC_SYS_OP_CTRL);  in xenon_mmc_set_acg()
278 	sdhci_writel(host, var, SDHC_SYS_OP_CTRL);  in xenon_mmc_set_acg()
284 static void xenon_mmc_enable_slot(struct sdhci_host *host, u8 slot)  in xenon_mmc_enable_slot()  argument
288 	var = sdhci_readl(host, SDHC_SYS_OP_CTRL);  in xenon_mmc_enable_slot()
290 	sdhci_writel(host, var, SDHC_SYS_OP_CTRL);  in xenon_mmc_enable_slot()
294 static void xenon_mmc_enable_parallel_tran(struct sdhci_host *host, u8 slot)  in xenon_mmc_enable_parallel_tran()  argument
298 	var = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);  in xenon_mmc_enable_parallel_tran()
300 	sdhci_writel(host, var, SDHC_SYS_EXT_OP_CTRL);  in xenon_mmc_enable_parallel_tran()
303 static void xenon_mmc_disable_tuning(struct sdhci_host *host, u8 slot)  in xenon_mmc_disable_tuning()  argument
308 	var = sdhci_readl(host, SDHC_SLOT_RETUNING_REQ_CTRL);  in xenon_mmc_disable_tuning()
310 	sdhci_writel(host, var, SDHC_SLOT_RETUNING_REQ_CTRL);  in xenon_mmc_disable_tuning()
313 	var = sdhci_readl(host, SDHCI_SIGNAL_ENABLE);  in xenon_mmc_disable_tuning()
315 	sdhci_writel(host, var, SDHCI_SIGNAL_ENABLE);  in xenon_mmc_disable_tuning()
319 static void xenon_mask_cmd_conflict_err(struct sdhci_host *host)  in xenon_mask_cmd_conflict_err()  argument
323 	reg = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);  in xenon_mask_cmd_conflict_err()
325 	sdhci_writel(host, reg, SDHC_SYS_EXT_OP_CTRL);  in xenon_mask_cmd_conflict_err()
329 static void xenon_sdhci_set_ios_post(struct sdhci_host *host)  in xenon_sdhci_set_ios_post()  argument
331 	struct xenon_sdhci_priv *priv = host->mmc->priv;  in xenon_sdhci_set_ios_post()
332 	uint speed = host->mmc->tran_speed;  in xenon_sdhci_set_ios_post()
335 	if ((sdhci_readb(host, SDHCI_POWER_CONTROL) & ~SDHCI_POWER_ON) ==  in xenon_sdhci_set_ios_post()
340 	if (IS_SD(host->mmc)) {  in xenon_sdhci_set_ios_post()
343 			if (host->mmc->ddr_mode)  in xenon_sdhci_set_ios_post()
357 		if (host->mmc->ddr_mode)  in xenon_sdhci_set_ios_post()
366 	xenon_mmc_phy_set(host);  in xenon_sdhci_set_ios_post()
379 	struct sdhci_host *host = dev_get_priv(dev);  in xenon_sdhci_probe()  local
382 	host->mmc = &plat->mmc;  in xenon_sdhci_probe()
383 	host->mmc->priv = host;  in xenon_sdhci_probe()
384 	host->mmc->dev = dev;  in xenon_sdhci_probe()
385 	upriv->mmc = host->mmc;  in xenon_sdhci_probe()
388 	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_32BIT_DMA_ADDR;  in xenon_sdhci_probe()
394 	xenon_mmc_set_acg(host, false);  in xenon_sdhci_probe()
397 	xenon_mmc_enable_slot(host, XENON_MMC_SLOT_ID_HYPERION);  in xenon_sdhci_probe()
404 		armada_3700_soc_pad_voltage_set(host);  in xenon_sdhci_probe()
406 	host->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_DDR_52MHz;  in xenon_sdhci_probe()
410 		host->host_caps |= MMC_MODE_8BIT;  in xenon_sdhci_probe()
413 		host->host_caps |= MMC_MODE_4BIT;  in xenon_sdhci_probe()
422 	host->ops = &xenon_sdhci_ops;  in xenon_sdhci_probe()
424 	host->max_clk = XENON_MMC_MAX_CLK;  in xenon_sdhci_probe()
425 	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);  in xenon_sdhci_probe()
434 	xenon_mmc_enable_parallel_tran(host, XENON_MMC_SLOT_ID_HYPERION);  in xenon_sdhci_probe()
437 	xenon_mmc_disable_tuning(host, XENON_MMC_SLOT_ID_HYPERION);  in xenon_sdhci_probe()
440 	xenon_mmc_set_acg(host, true);  in xenon_sdhci_probe()
442 	xenon_mask_cmd_conflict_err(host);  in xenon_sdhci_probe()
449 	struct sdhci_host *host = dev_get_priv(dev);  in xenon_sdhci_ofdata_to_platdata()  local
453 	host->name = dev->name;  in xenon_sdhci_ofdata_to_platdata()
454 	host->ioaddr = (void *)devfdt_get_addr(dev);  in xenon_sdhci_ofdata_to_platdata()