191785f70SSimon Glass /* 291785f70SSimon Glass * Copyright (C) 2015, Google, Inc 391785f70SSimon Glass * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> 491785f70SSimon Glass * 591785f70SSimon Glass * SPDX-License-Identifier: GPL-2.0+ 691785f70SSimon Glass */ 791785f70SSimon Glass 891785f70SSimon Glass #include <common.h> 9b7c6baefSSimon Glass #include <dm.h> 1091785f70SSimon Glass #include <errno.h> 1191785f70SSimon Glass #include <malloc.h> 12b7c6baefSSimon Glass #include <mapmem.h> 1391785f70SSimon Glass #include <sdhci.h> 1491785f70SSimon Glass #include <asm/pci.h> 1591785f70SSimon Glass 16b7c6baefSSimon Glass struct pci_mmc_plat { 17b7c6baefSSimon Glass struct mmc_config cfg; 18b7c6baefSSimon Glass struct mmc mmc; 19b7c6baefSSimon Glass }; 20b7c6baefSSimon Glass 21b7c6baefSSimon Glass struct pci_mmc_priv { 22b7c6baefSSimon Glass struct sdhci_host host; 23b7c6baefSSimon Glass void *base; 24b7c6baefSSimon Glass }; 25b7c6baefSSimon Glass 26b7c6baefSSimon Glass static int pci_mmc_probe(struct udevice *dev) 2791785f70SSimon Glass { 28b7c6baefSSimon Glass struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); 29b7c6baefSSimon Glass struct pci_mmc_plat *plat = dev_get_platdata(dev); 30b7c6baefSSimon Glass struct pci_mmc_priv *priv = dev_get_priv(dev); 31b7c6baefSSimon Glass struct sdhci_host *host = &priv->host; 32b7c6baefSSimon Glass u32 ioaddr; 3391785f70SSimon Glass int ret; 3491785f70SSimon Glass 35b7c6baefSSimon Glass dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr); 36b7c6baefSSimon Glass host->ioaddr = map_sysmem(ioaddr, 0); 37b7c6baefSSimon Glass host->name = dev->name; 38b7c6baefSSimon Glass ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0); 394abe8e40SSimon Glass if (ret) 404abe8e40SSimon Glass return ret; 41b7c6baefSSimon Glass host->mmc = &plat->mmc; 42b7c6baefSSimon Glass host->mmc->priv = &priv->host; 43b7c6baefSSimon Glass host->mmc->dev = dev; 44b7c6baefSSimon Glass upriv->mmc = host->mmc; 4591785f70SSimon Glass 46b7c6baefSSimon Glass return sdhci_probe(dev); 4791785f70SSimon Glass } 4891785f70SSimon Glass 49b7c6baefSSimon Glass static int pci_mmc_bind(struct udevice *dev) 50b7c6baefSSimon Glass { 51b7c6baefSSimon Glass struct pci_mmc_plat *plat = dev_get_platdata(dev); 52b7c6baefSSimon Glass 53b7c6baefSSimon Glass return sdhci_bind(dev, &plat->mmc, &plat->cfg); 5491785f70SSimon Glass } 55b7c6baefSSimon Glass 56b7c6baefSSimon Glass U_BOOT_DRIVER(pci_mmc) = { 57b7c6baefSSimon Glass .name = "pci_mmc", 58b7c6baefSSimon Glass .id = UCLASS_MMC, 59b7c6baefSSimon Glass .bind = pci_mmc_bind, 60b7c6baefSSimon Glass .probe = pci_mmc_probe, 61b7c6baefSSimon Glass .ops = &sdhci_ops, 62b7c6baefSSimon Glass .priv_auto_alloc_size = sizeof(struct pci_mmc_priv), 63b7c6baefSSimon Glass .platdata_auto_alloc_size = sizeof(struct pci_mmc_plat), 64b7c6baefSSimon Glass }; 65b7c6baefSSimon Glass 66b7c6baefSSimon Glass static struct pci_device_id mmc_supported[] = { 67*a191ccafSBin Meng { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) }, 68b7c6baefSSimon Glass {}, 69b7c6baefSSimon Glass }; 70b7c6baefSSimon Glass 71b7c6baefSSimon Glass U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported); 72