1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015, Google, Inc
3*4882a593Smuzhiyun * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <dm.h>
10*4882a593Smuzhiyun #include <errno.h>
11*4882a593Smuzhiyun #include <malloc.h>
12*4882a593Smuzhiyun #include <mapmem.h>
13*4882a593Smuzhiyun #include <sdhci.h>
14*4882a593Smuzhiyun #include <asm/pci.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun struct pci_mmc_plat {
17*4882a593Smuzhiyun struct mmc_config cfg;
18*4882a593Smuzhiyun struct mmc mmc;
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun struct pci_mmc_priv {
22*4882a593Smuzhiyun struct sdhci_host host;
23*4882a593Smuzhiyun void *base;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
pci_mmc_probe(struct udevice * dev)26*4882a593Smuzhiyun static int pci_mmc_probe(struct udevice *dev)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
29*4882a593Smuzhiyun struct pci_mmc_plat *plat = dev_get_platdata(dev);
30*4882a593Smuzhiyun struct pci_mmc_priv *priv = dev_get_priv(dev);
31*4882a593Smuzhiyun struct sdhci_host *host = &priv->host;
32*4882a593Smuzhiyun u32 ioaddr;
33*4882a593Smuzhiyun int ret;
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr);
36*4882a593Smuzhiyun host->ioaddr = map_sysmem(ioaddr, 0);
37*4882a593Smuzhiyun host->name = dev->name;
38*4882a593Smuzhiyun ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
39*4882a593Smuzhiyun if (ret)
40*4882a593Smuzhiyun return ret;
41*4882a593Smuzhiyun host->mmc = &plat->mmc;
42*4882a593Smuzhiyun host->mmc->priv = &priv->host;
43*4882a593Smuzhiyun host->mmc->dev = dev;
44*4882a593Smuzhiyun upriv->mmc = host->mmc;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun return sdhci_probe(dev);
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
pci_mmc_bind(struct udevice * dev)49*4882a593Smuzhiyun static int pci_mmc_bind(struct udevice *dev)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun struct pci_mmc_plat *plat = dev_get_platdata(dev);
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun return sdhci_bind(dev, &plat->mmc, &plat->cfg);
54*4882a593Smuzhiyun }
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun U_BOOT_DRIVER(pci_mmc) = {
57*4882a593Smuzhiyun .name = "pci_mmc",
58*4882a593Smuzhiyun .id = UCLASS_MMC,
59*4882a593Smuzhiyun .bind = pci_mmc_bind,
60*4882a593Smuzhiyun .probe = pci_mmc_probe,
61*4882a593Smuzhiyun .ops = &sdhci_ops,
62*4882a593Smuzhiyun .priv_auto_alloc_size = sizeof(struct pci_mmc_priv),
63*4882a593Smuzhiyun .platdata_auto_alloc_size = sizeof(struct pci_mmc_plat),
64*4882a593Smuzhiyun };
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun static struct pci_device_id mmc_supported[] = {
67*4882a593Smuzhiyun { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) },
68*4882a593Smuzhiyun {},
69*4882a593Smuzhiyun };
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported);
72