C++ (Cpp) s5p_sdhci_core_init示例

示例#1

文件： s5p_sdhci.c 项目： OpenPhoenux/gta04-uboot

static int do_sdhci_init(struct sdhci_host *host)
{
	int dev_id, flag, ret;

	flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
	dev_id = host->index + PERIPH_ID_SDMMC0;

	ret = exynos_pinmux_config(dev_id, flag);
	if (ret) {
		printf("external SD not configured\n");
		return ret;
	}

	if (dm_gpio_is_valid(&host->pwr_gpio)) {
		dm_gpio_set_value(&host->pwr_gpio, 1);
		ret = exynos_pinmux_config(dev_id, flag);
		if (ret) {
			debug("MMC not configured\n");
			return ret;
		}
	}

	if (dm_gpio_is_valid(&host->cd_gpio)) {
		ret = dm_gpio_get_value(&host->cd_gpio);
		if (ret) {
			debug("no SD card detected (%d)\n", ret);
			return -ENODEV;
		}
	}

	return s5p_sdhci_core_init(host);
}

示例#2

文件： s5p_sdhci.c 项目： luochengqi/u-boot

static int do_sdhci_init(struct sdhci_host *host)
{
	int dev_id, flag;
	int err = 0;

	flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
	dev_id = host->index + PERIPH_ID_SDMMC0;

	if (dm_gpio_is_valid(&host->pwr_gpio)) {
		dm_gpio_set_value(&host->pwr_gpio, 1);
		err = exynos_pinmux_config(dev_id, flag);
		if (err) {
			debug("MMC not configured\n");
			return err;
		}
	}

	if (dm_gpio_is_valid(&host->cd_gpio)) {
		if (dm_gpio_get_value(&host->cd_gpio))
			return -ENODEV;

		err = exynos_pinmux_config(dev_id, flag);
		if (err) {
			printf("external SD not configured\n");
			return err;
		}
	}

	return s5p_sdhci_core_init(host);
}

示例#3

文件： s5p_sdhci.c 项目： luochengqi/u-boot

int s5p_sdhci_init(u32 regbase, int index, int bus_width)
{
	struct sdhci_host *host = malloc(sizeof(struct sdhci_host));
	if (!host) {
		printf("sdhci__host malloc fail!\n");
		return 1;
	}
	host->ioaddr = (void *)regbase;
	host->index = index;
	host->bus_width = bus_width;

	return s5p_sdhci_core_init(host);
}

示例#4

文件： s5p_sdhci.c 项目： CDACBANG/u-boot-wingz

static int do_sdhci_init(struct sdhci_host *host)
{
	char str[20];
	int dev_id, flag;
	int err = 0;

	flag = host->bus_width == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
	dev_id = host->index + PERIPH_ID_SDMMC0;

	if (fdt_gpio_isvalid(&host->pwr_gpio)) {
		sprintf(str, "sdhci%d_power", host->index & 0xf);
		gpio_request(host->pwr_gpio.gpio, str);
		gpio_direction_output(host->pwr_gpio.gpio, 1);
		err = exynos_pinmux_config(dev_id, flag);
		if (err) {
			debug("MMC not configured\n");
			return err;
		}
	}

	if (fdt_gpio_isvalid(&host->cd_gpio)) {
		sprintf(str, "sdhci%d_cd", host->index & 0xf);
		gpio_request(host->cd_gpio.gpio, str);
		gpio_direction_input(host->cd_gpio.gpio);
		if (gpio_get_value(host->cd_gpio.gpio))
			return -ENODEV;

		err = exynos_pinmux_config(dev_id, flag);
		if (err) {
			printf("external SD not configured\n");
			return err;
		}
	}

	return s5p_sdhci_core_init(host);
}