38 	struct dwmci_host host;  member
47 static void exynos_dwmci_clksel(struct dwmci_host *host)  in exynos_dwmci_clksel()  argument
51 		container_of(host, struct dwmci_exynos_priv_data, host);  in exynos_dwmci_clksel()
53 	struct dwmci_exynos_priv_data *priv = host->priv;  in exynos_dwmci_clksel()
55 	dwmci_writel(host, DWMCI_CLKSEL, priv->sdr_timing);  in exynos_dwmci_clksel()
58 unsigned int exynos_dwmci_get_clk(struct dwmci_host *host, uint freq)  in exynos_dwmci_get_clk()  argument
69 	clk_div = ((dwmci_readl(host, DWMCI_CLKSEL) >> DWMCI_DIVRATIO_BIT)  in exynos_dwmci_get_clk()
71 	sclk = get_mmc_clk(host->dev_index);  in exynos_dwmci_get_clk()
75 	 * When clock unit is broken, need to set "host->div"  in exynos_dwmci_get_clk()
77 	return sclk / clk_div / (host->div + 1);  in exynos_dwmci_get_clk()
80 static void exynos_dwmci_board_init(struct dwmci_host *host)  in exynos_dwmci_board_init()  argument
82 	struct dwmci_exynos_priv_data *priv = host->priv;  in exynos_dwmci_board_init()
84 	if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {  in exynos_dwmci_board_init()
85 		dwmci_writel(host, EMMCP_MPSBEGIN0, 0);  in exynos_dwmci_board_init()
86 		dwmci_writel(host, EMMCP_SEND0, 0);  in exynos_dwmci_board_init()
87 		dwmci_writel(host, EMMCP_CTRL0,  in exynos_dwmci_board_init()
96 		exynos_dwmci_clksel(host);  in exynos_dwmci_board_init()
99 static int exynos_dwmci_core_init(struct dwmci_host *host)  in exynos_dwmci_core_init()  argument
104 	if (host->bus_hz)  in exynos_dwmci_core_init()
105 		freq = host->bus_hz;  in exynos_dwmci_core_init()
110 	sclk = get_mmc_clk(host->dev_index);  in exynos_dwmci_core_init()
113 	set_mmc_clk(host->dev_index, div);  in exynos_dwmci_core_init()
115 	host->name = "EXYNOS DWMMC";  in exynos_dwmci_core_init()
117 	host->quirks = DWMCI_QUIRK_DISABLE_SMU;  in exynos_dwmci_core_init()
119 	host->board_init = exynos_dwmci_board_init;  in exynos_dwmci_core_init()
121 	host->caps = MMC_MODE_DDR_52MHz;  in exynos_dwmci_core_init()
122 	host->clksel = exynos_dwmci_clksel;  in exynos_dwmci_core_init()
123 	host->get_mmc_clk = exynos_dwmci_get_clk;  in exynos_dwmci_core_init()
127 	if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {  in exynos_dwmci_core_init()
128 		printf("DWMMC%d registration failed\n", host->dev_index);  in exynos_dwmci_core_init()
138 static int do_dwmci_init(struct dwmci_host *host)  in do_dwmci_init()  argument
142 	flag = host->buswidth == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;  in do_dwmci_init()
143 	err = exynos_pinmux_config(host->dev_id, flag);  in do_dwmci_init()
145 		printf("DWMMC%d not configure\n", host->dev_index);  in do_dwmci_init()
149 	return exynos_dwmci_core_init(host);  in do_dwmci_init()
153 				   struct dwmci_host *host,  in exynos_dwmci_get_config()  argument
160 	host->dev_id = pinmux_decode_periph_id(blob, node);  in exynos_dwmci_get_config()
162 	host->dev_index = fdtdec_get_int(blob, node, "index", host->dev_id);  in exynos_dwmci_get_config()
163 	if (host->dev_index == host->dev_id)  in exynos_dwmci_get_config()
164 		host->dev_index = host->dev_id - PERIPH_ID_SDMMC0;  in exynos_dwmci_get_config()
166 	if (host->dev_index > 4) {  in exynos_dwmci_get_config()
167 		printf("DWMMC%d: Can't get the dev index\n", host->dev_index);  in exynos_dwmci_get_config()
172 	host->buswidth = fdtdec_get_int(blob, node, "samsung,bus-width", 4);  in exynos_dwmci_get_config()
177 		printf("DWMMC%d: Can't get base address\n", host->dev_index);  in exynos_dwmci_get_config()
180 	host->ioaddr = (void *)base;  in exynos_dwmci_get_config()
186 				host->dev_index);  in exynos_dwmci_get_config()
196 		if (host->dev_index == 0)  in exynos_dwmci_get_config()
198 		else if (host->dev_index == 2)  in exynos_dwmci_get_config()
202 	host->fifoth_val = fdtdec_get_int(blob, node, "fifoth_val", 0);  in exynos_dwmci_get_config()
203 	host->bus_hz = fdtdec_get_int(blob, node, "bus_hz", 0);  in exynos_dwmci_get_config()
204 	host->div = fdtdec_get_int(blob, node, "div", 0);  in exynos_dwmci_get_config()
213 	struct dwmci_host *host;  in exynos_dwmci_process_node()  local
220 		host = &dwmci_host[i];  in exynos_dwmci_process_node()
228 		err = exynos_dwmci_get_config(blob, node, host, priv);  in exynos_dwmci_process_node()
234 		host->priv = priv;  in exynos_dwmci_process_node()
236 		do_dwmci_init(host);  in exynos_dwmci_process_node()
269 	struct dwmci_host *host = &priv->host;  in exynos_dwmmc_probe()  local
272 	err = exynos_dwmci_get_config(gd->fdt_blob, dev_of_offset(dev), host,  in exynos_dwmmc_probe()
276 	err = do_dwmci_init(host);  in exynos_dwmmc_probe()
280 	dwmci_setup_cfg(&plat->cfg, host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ);  in exynos_dwmmc_probe()
281 	host->mmc = &plat->mmc;  in exynos_dwmmc_probe()
282 	host->mmc->priv = &priv->host;  in exynos_dwmmc_probe()
283 	host->priv = dev;  in exynos_dwmmc_probe()
284 	upriv->mmc = host->mmc;  in exynos_dwmmc_probe()