mmc/host/sdhci-milbeaut.c

60 static void sdhci_milbeaut_soft_voltage_switch(struct sdhci_host *host)
65 	ctrl = sdhci_readl(host, F_SDH30_IO_CONTROL2);
67 	sdhci_writel(host, ctrl, F_SDH30_IO_CONTROL2);
69 	sdhci_writel(host, ctrl, F_SDH30_IO_CONTROL2);
72 	sdhci_writel(host, ctrl, F_SDH30_IO_CONTROL2);
75 	ctrl = sdhci_readl(host, F_SDH30_TUNING_SETTING);
77 	sdhci_writel(host, ctrl, F_SDH30_TUNING_SETTING);
80 static unsigned int sdhci_milbeaut_get_min_clock(struct sdhci_host *host)
85 static void sdhci_milbeaut_reset(struct sdhci_host *host, u8 mask)
87 	struct f_sdhost_priv *priv = sdhci_priv(host);
92 	clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
94 	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
96 	sdhci_reset(host, mask);
99 	sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL);
105 		clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
110 				mmc_hostname(host->mmc));
111 			sdhci_dumpregs(host);
118 		ctl = sdhci_readl(host, F_SDH30_ESD_CONTROL);
120 		sdhci_writel(host, ctl, F_SDH30_ESD_CONTROL);
134 static void sdhci_milbeaut_bridge_reset(struct sdhci_host *host,
138 		sdhci_writel(host, 0, MLB_SOFT_RESET);
140 		sdhci_writel(host, MLB_SOFT_RESET_RSTX, MLB_SOFT_RESET);
143 static void sdhci_milbeaut_bridge_init(struct sdhci_host *host,
149 	val = sdhci_readl(host, MLB_CR_SET);
169 	sdhci_writel(host, val, MLB_CR_SET);
171 	sdhci_writel(host, MLB_CDR_SET_CLK2POW16, MLB_CDR_SET);
173 	sdhci_writel(host, MLB_WP_CD_LED_SET_LED_INV, MLB_WP_CD_LED_SET);
176 static void sdhci_milbeaut_vendor_init(struct sdhci_host *host)
178 	struct f_sdhost_priv *priv = sdhci_priv(host);
181 	ctl = sdhci_readl(host, F_SDH30_IO_CONTROL2);
183 	sdhci_writel(host, ctl, F_SDH30_IO_CONTROL2);
185 	sdhci_writel(host, ctl, F_SDH30_IO_CONTROL2);
187 	sdhci_writel(host, ctl, F_SDH30_IO_CONTROL2);
189 	ctl = sdhci_readw(host, F_SDH30_AHB_CONFIG);
193 	sdhci_writew(host, ctl, F_SDH30_AHB_CONFIG);
196 		ctl = sdhci_readl(host, F_SDH30_ESD_CONTROL);
198 		sdhci_writel(host, ctl, F_SDH30_ESD_CONTROL);
210 static void sdhci_milbeaut_init(struct sdhci_host *host)
212 	struct f_sdhost_priv *priv = sdhci_priv(host);
216 	sdhci_milbeaut_bridge_reset(host, 0);
218 	ctl = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
220 	sdhci_writew(host, ctl, SDHCI_CLOCK_CONTROL);
222 	sdhci_milbeaut_bridge_reset(host, 1);
224 	sdhci_milbeaut_bridge_init(host, rate);
225 	sdhci_milbeaut_bridge_reset(host, 0);
227 	sdhci_milbeaut_vendor_init(host);
232 	struct sdhci_host *host;
241 	host = sdhci_alloc_host(dev, sizeof(struct f_sdhost_priv));
242 	if (IS_ERR(host))
243 		return PTR_ERR(host);
245 	priv = sdhci_priv(host);
248 	host->quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
252 	host->quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE |
259 	ret = mmc_of_parse(host->mmc);
263 	platform_set_drvdata(pdev, host);
265 	host->hw_name = "f_sdh30";
266 	host->ops = &sdhci_milbeaut_ops;
267 	host->irq = irq;
269 	host->ioaddr = devm_platform_ioremap_resource(pdev, 0);
270 	if (IS_ERR(host->ioaddr)) {
271 		ret = PTR_ERR(host->ioaddr);
299 	sdhci_milbeaut_init(host);
301 	ret = sdhci_add_host(host);
312 	sdhci_free_host(host);
318 	struct sdhci_host *host = platform_get_drvdata(pdev);
319 	struct f_sdhost_priv *priv = sdhci_priv(host);
321 	sdhci_remove_host(host, readl(host->ioaddr + SDHCI_INT_STATUS) ==
327 	sdhci_free_host(host);