drivers/mmc/s5p_sdhci.c

31 static void s5p_sdhci_set_control_reg(struct sdhci_host *host)
41 	sdhci_writel(host, SDHCI_CTRL4_DRIVE_MASK(0x3), SDHCI_CONTROL4);
43 	val = sdhci_readl(host, SDHCI_CONTROL2);
51 	sdhci_writel(host, val, SDHCI_CONTROL2);
63 	sdhci_writel(host, val, SDHCI_CONTROL3);
71 	ctrl = sdhci_readl(host, SDHCI_CONTROL2);
74 	sdhci_writel(host, ctrl, SDHCI_CONTROL2);
77 static void s5p_set_clock(struct sdhci_host *host, u32 div)
80 	set_mmc_clk(host->index, div);
88 static int s5p_sdhci_core_init(struct sdhci_host *host)
90 	host->name = S5P_NAME;
92 	host->quirks = SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_VOLTAGE |
95 	host->max_clk = 52000000;
96 	host->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
97 	host->ops = &s5p_sdhci_ops;
99 	if (host->bus_width == 8)
100 		host->host_caps |= MMC_MODE_8BIT;
103 	return add_sdhci(host, 0, 400000);
111 	struct sdhci_host *host = calloc(1, sizeof(struct sdhci_host));
112 	if (!host) {
116 	host->ioaddr = (void *)regbase;
117 	host->index = index;
118 	host->bus_width = bus_width;
120 	return s5p_sdhci_core_init(host);
123 static int do_sdhci_init(struct sdhci_host *host)
127 	flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
128 	dev_id = host->index + PERIPH_ID_SDMMC0;
136 	if (dm_gpio_is_valid(&host->pwr_gpio)) {
137 		dm_gpio_set_value(&host->pwr_gpio, 1);
145 	if (dm_gpio_is_valid(&host->cd_gpio)) {
146 		ret = dm_gpio_get_value(&host->cd_gpio);
153 	return s5p_sdhci_core_init(host);
156 static int sdhci_get_config(const void *blob, int node, struct sdhci_host *host)
167 	host->index = dev_id - PERIPH_ID_SDMMC0;
175 	host->bus_width = bus_width;
183 	host->ioaddr = (void *)base;
186 				   &host->pwr_gpio, GPIOD_IS_OUT);
188 				   &host->cd_gpio, GPIOD_IS_IN);
198 	struct sdhci_host *host = dev_get_priv(dev);
201 	ret = sdhci_get_config(gd->fdt_blob, dev_of_offset(dev), host);
205 	ret = do_sdhci_init(host);
213 	host->mmc = &plat->mmc;
214 	host->mmc->dev = dev;
216 	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 400000);
220 	host->mmc->priv = host;
221 	upriv->mmc = host->mmc;