u-boot/include/sdhci.h

5  * SPDX-License-Identifier:	GPL-2.0+
8  * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
14 #include <mmc.h>
145 #define SDHCI_INT_ALL_MASK	((unsigned int)-1)
149 /* 3E-3F reserved */
193 /* 4C-4F reserved for more max current */
200 /* 55-57 reserved */
204 /* 60-FB reserved */
217 #define SDHCI_GET_VERSION(x) (x->version & SDHCI_SPEC_VER_MASK)
261 	 * set_enhanced_strobe() - Set HS400 Enhanced Strobe config
264 	 * HS400 ES, and should set any host-specific configuration
268 	 * Return: 0 if successful, -ve on error
282 	struct mmc *mmc;  member
302 	if (unlikely(host->ops->write_l))  in sdhci_writel()
303 		host->ops->write_l(host, val, reg);  in sdhci_writel()
305 		writel(val, host->ioaddr + reg);  in sdhci_writel()
310 	if (unlikely(host->ops->write_w))  in sdhci_writew()
311 		host->ops->write_w(host, val, reg);  in sdhci_writew()
313 		writew(val, host->ioaddr + reg);  in sdhci_writew()
318 	if (unlikely(host->ops->write_b))  in sdhci_writeb()
319 		host->ops->write_b(host, val, reg);  in sdhci_writeb()
321 		writeb(val, host->ioaddr + reg);  in sdhci_writeb()
326 	if (unlikely(host->ops->read_l))  in sdhci_readl()
327 		return host->ops->read_l(host, reg);  in sdhci_readl()
329 		return readl(host->ioaddr + reg);  in sdhci_readl()
334 	if (unlikely(host->ops->read_w))  in sdhci_readw()
335 		return host->ops->read_w(host, reg);  in sdhci_readw()
337 		return readw(host->ioaddr + reg);  in sdhci_readw()
342 	if (unlikely(host->ops->read_b))  in sdhci_readb()
343 		return host->ops->read_b(host, reg);  in sdhci_readb()
345 		return readb(host->ioaddr + reg);  in sdhci_readb()
352 	writel(val, host->ioaddr + reg);  in sdhci_writel()
357 	writew(val, host->ioaddr + reg);  in sdhci_writew()
362 	writeb(val, host->ioaddr + reg);  in sdhci_writeb()
366 	return readl(host->ioaddr + reg);  in sdhci_readl()
371 	return readw(host->ioaddr + reg);  in sdhci_readw()
376 	return readb(host->ioaddr + reg);  in sdhci_readb()
382  * sdhci_setup_cfg() - Set up the configuration for DWMMC
386  * This should be called from your MMC driver's probe() method once you have
390  * the configuration (struct mmc_config) and the MMC device info (struct mmc).
395  *	struct mmc mmc;
408  * @cfg:	Configuration structure to fill in (generally &plat->mmc)
417  * sdhci_bind() - Set up a new MMC block device
425  * @mmc:	Pointer to mmc structure (normally &plat->mmc)
426  * @cfg:	Empty configuration structure (generally &plat->cfg). This is
428  *		this in is to set mmc->cfg to it.
429  * @return 0 if OK, -ve if the block device could not be created
431 int sdhci_bind(struct udevice *dev, struct mmc *mmc, struct mmc_config *cfg);
435  * add_sdhci() - Add a new SDHCI interface
442  * @return 0 if OK, -ve on error