Cross Reference: /drivers/mmc/host/sdhci-bcm-kona.c

Lines Matching refs:host
19 #include <linux/mmc/host.h>
61 static int sdhci_bcm_kona_sd_reset(struct sdhci_host *host)
69 	/* reset the host using the top level reset */
70 	val = sdhci_readl(host, KONA_SDHOST_CORECTRL);
72 	sdhci_writel(host, val, KONA_SDHOST_CORECTRL);
74 	while (!(sdhci_readl(host, KONA_SDHOST_CORECTRL) & KONA_SDHOST_RESET)) {
76 			pr_err("Error: sd host is stuck in reset!!!\n");
81 	/* bring the host out of reset */
82 	val = sdhci_readl(host, KONA_SDHOST_CORECTRL);
92 	sdhci_writel(host, val, KONA_SDHOST_CORECTRL);
97 static void sdhci_bcm_kona_sd_init(struct sdhci_host *host)
102 	val = sdhci_readl(host, KONA_SDHOST_COREIMR);
104 	sdhci_writel(host, val, KONA_SDHOST_COREIMR);
106 	/* Enable the AHB clock gating module to the host */
107 	val = sdhci_readl(host, KONA_SDHOST_CORECTRL);
117 	sdhci_writel(host, val, KONA_SDHOST_CORECTRL);
126 static int sdhci_bcm_kona_sd_card_emulate(struct sdhci_host *host, int insert)
128 	struct sdhci_pltfm_host *pltfm_priv = sdhci_priv(host);
141 	val = sdhci_readl(host, KONA_SDHOST_CORESTAT);
146 		ret = mmc_gpio_get_ro(host->mmc);
152 		sdhci_writel(host, val, KONA_SDHOST_CORESTAT);
155 		sdhci_writel(host, val, KONA_SDHOST_CORESTAT);
165 static void sdhci_bcm_kona_card_event(struct sdhci_host *host)
167 	if (mmc_gpio_get_cd(host->mmc) > 0) {
168 		dev_dbg(mmc_dev(host->mmc),
170 		sdhci_bcm_kona_sd_card_emulate(host, 1);
172 		dev_dbg(mmc_dev(host->mmc),
174 		sdhci_bcm_kona_sd_card_emulate(host, 0);
182 static unsigned int sdhci_bcm_kona_get_max_clk(struct sdhci_host *host)
185 	struct sdhci_pltfm_host *pltfm_priv = sdhci_priv(host);
188 	return host->mmc->f_max;
191 static unsigned int sdhci_bcm_kona_get_timeout_clock(struct sdhci_host *host)
193 	return sdhci_bcm_kona_get_max_clk(host);
196 static void sdhci_bcm_kona_init_74_clocks(struct sdhci_host *host,
240 	struct sdhci_host *host;
245 	host = sdhci_pltfm_init(pdev, &sdhci_pltfm_data_kona,
247 	if (IS_ERR(host))
248 		return PTR_ERR(host);
250 	dev_dbg(dev, "%s: inited. IOADDR=%p\n", __func__, host->ioaddr);
252 	pltfm_priv = sdhci_priv(host);
257 	mmc_of_parse(host->mmc);
259 	if (!host->mmc->f_max) {
273 	if (clk_set_rate(kona_dev->external_clk, host->mmc->f_max) != 0) {
284 		(host->mmc->caps & MMC_CAP_NONREMOVABLE) ? 'Y' : 'N');
286 		(mmc_gpio_get_cd(host->mmc) != -ENOSYS) ? 'Y' : 'N',
287 		(mmc_gpio_get_ro(host->mmc) != -ENOSYS) ? 'Y' : 'N');
289 	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
290 		host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
293 		(host->mmc->caps | MMC_CAP_8_BIT_DATA) ? 'Y' : 'N');
295 	ret = sdhci_bcm_kona_sd_reset(host);
299 	sdhci_bcm_kona_sd_init(host);
301 	ret = sdhci_add_host(host);
308 	if (host->mmc->caps & MMC_CAP_NONREMOVABLE) {
309 		ret = sdhci_bcm_kona_sd_card_emulate(host, 1);
321 	if (mmc_gpio_get_cd(host->mmc) > 0)
322 		sdhci_bcm_kona_sd_card_emulate(host, 1);
328 	sdhci_remove_host(host, 0);
331 	sdhci_bcm_kona_sd_reset(host);
345 	struct sdhci_host *host = platform_get_drvdata(pdev);
346 	struct sdhci_pltfm_host *pltfm_priv = sdhci_priv(host);
348 	int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
350 	sdhci_remove_host(host, dead);