1 // SPDX-License-Identifier: GPL-2.0+
3  * Copyright (C) 2017, STMicroelectronics - All Rights Reserved
10 #include <reset-uclass.h>
27  * Description: this function is to configure the Arasan MMC HC.
29  * it is needed to configure the host controller.
42 	if (plat->instance) {  in sti_mmc_core_config()
43 		ret = reset_deassert(&plat->reset);  in sti_mmc_core_config()
51 	       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_1);  in sti_mmc_core_config()
53 	if (plat->instance) {  in sti_mmc_core_config()
55 		       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_2);  in sti_mmc_core_config()
57 		       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_3);  in sti_mmc_core_config()
60 		       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_2);  in sti_mmc_core_config()
62 		       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_3);  in sti_mmc_core_config()
65 	       host->ioaddr + FLASHSS_MMC_CORE_CONFIG_4);  in sti_mmc_core_config()
79 	 * MMC0 is wired to the SD slot,  in sti_sdhci_probe()
80 	 * MMC1 is wired on the high speed connector  in sti_sdhci_probe()
82 	ret = reset_get_by_index(dev, 0, &plat->reset);  in sti_sdhci_probe()
84 		plat->instance = 1;  in sti_sdhci_probe()
86 		if (ret == -ENOENT)  in sti_sdhci_probe()
87 			plat->instance = 0;  in sti_sdhci_probe()
95 	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD |  in sti_sdhci_probe()
99 	host->host_caps = MMC_MODE_DDR_52MHz;  in sti_sdhci_probe()
101 	ret = sdhci_setup_cfg(&plat->cfg, host, 50000000, 400000);  in sti_sdhci_probe()
105 	host->mmc = &plat->mmc;  in sti_sdhci_probe()
106 	host->mmc->priv = host;  in sti_sdhci_probe()
107 	host->mmc->dev = dev;  in sti_sdhci_probe()
108 	upriv->mmc = host->mmc;  in sti_sdhci_probe()
117 	host->name = strdup(dev->name);  in sti_sdhci_ofdata_to_platdata()
118 	host->ioaddr = (void *)devfdt_get_addr(dev);  in sti_sdhci_ofdata_to_platdata()
120 	host->bus_width = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),  in sti_sdhci_ofdata_to_platdata()
121 					 "bus-width", 4);  in sti_sdhci_ofdata_to_platdata()
130 	return sdhci_bind(dev, &plat->mmc, &plat->cfg);  in sti_sdhci_bind()