1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2015, Google, Inc 4 * Copyright (C) 2014, Bin Meng <bmeng.cn (at) gmail.com> 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <errno.h> 10 #include <malloc.h> 11 #include <mapmem.h> 12 #include <sdhci.h> 13 #include <asm/pci.h> 14 15 struct pci_mmc_plat { 16 struct mmc_config cfg; 17 struct mmc mmc; 18 }; 19 20 struct pci_mmc_priv { 21 struct sdhci_host host; 22 void *base; 23 }; 24 25 static int pci_mmc_probe(struct udevice *dev) 26 { 27 struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); 28 struct pci_mmc_plat *plat = dev_get_platdata(dev); 29 struct pci_mmc_priv *priv = dev_get_priv(dev); 30 struct sdhci_host *host = &priv->host; 31 int ret; 32 33 host->ioaddr = (void *)dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 34 PCI_REGION_MEM); 35 host->name = dev->name; 36 ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0); 37 if (ret) 38 return ret; 39 host->mmc = &plat->mmc; 40 host->mmc->priv = &priv->host; 41 host->mmc->dev = dev; 42 upriv->mmc = host->mmc; 43 44 return sdhci_probe(dev); 45 } 46 47 static int pci_mmc_bind(struct udevice *dev) 48 { 49 struct pci_mmc_plat *plat = dev_get_platdata(dev); 50 51 return sdhci_bind(dev, &plat->mmc, &plat->cfg); 52 } 53 54 U_BOOT_DRIVER(pci_mmc) = { 55 .name = "pci_mmc", 56 .id = UCLASS_MMC, 57 .bind = pci_mmc_bind, 58 .probe = pci_mmc_probe, 59 .ops = &sdhci_ops, 60 .priv_auto_alloc_size = sizeof(struct pci_mmc_priv), 61 .platdata_auto_alloc_size = sizeof(struct pci_mmc_plat), 62 }; 63 64 static struct pci_device_id mmc_supported[] = { 65 { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) }, 66 {}, 67 }; 68 69 U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported); 70
