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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glass91785f72015-01-27 22:13:39 -07002/*
3 * Copyright (C) 2015, Google, Inc
4 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
Simon Glass91785f72015-01-27 22:13:39 -07005 */
6
7#include <common.h>
Simon Glassb7c6bae2017-07-30 19:24:01 -07008#include <dm.h>
Simon Glass91785f72015-01-27 22:13:39 -07009#include <errno.h>
10#include <malloc.h>
Simon Glassb7c6bae2017-07-30 19:24:01 -070011#include <mapmem.h>
Simon Glass91785f72015-01-27 22:13:39 -070012#include <sdhci.h>
13#include <asm/pci.h>
14
Simon Glassb7c6bae2017-07-30 19:24:01 -070015struct pci_mmc_plat {
16 struct mmc_config cfg;
17 struct mmc mmc;
18};
19
20struct pci_mmc_priv {
21 struct sdhci_host host;
22 void *base;
23};
24
25static int pci_mmc_probe(struct udevice *dev)
Simon Glass91785f72015-01-27 22:13:39 -070026{
Simon Glassb7c6bae2017-07-30 19:24:01 -070027 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;
Simon Glass91785f72015-01-27 22:13:39 -070031 int ret;
Simon Glass91785f72015-01-27 22:13:39 -070032
Bernhard Messerklinger0851f342018-02-15 09:09:43 +010033 host->ioaddr = (void *)dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0,
34 PCI_REGION_MEM);
Simon Glassb7c6bae2017-07-30 19:24:01 -070035 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;
Simon Glass91785f72015-01-27 22:13:39 -070043
Simon Glassb7c6bae2017-07-30 19:24:01 -070044 return sdhci_probe(dev);
Simon Glass91785f72015-01-27 22:13:39 -070045}
Simon Glassb7c6bae2017-07-30 19:24:01 -070046
47static 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
54U_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
64static struct pci_device_id mmc_supported[] = {
Bin Menga191cca2017-08-09 00:21:00 -070065 { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) },
Simon Glassb7c6bae2017-07-30 19:24:01 -070066 {},
67};
68
69U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported);