]>
Commit | Line | Data |
---|---|---|
91785f70 SG |
1 | /* |
2 | * Copyright (C) 2015, Google, Inc | |
3 | * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
b7c6baef | 9 | #include <dm.h> |
91785f70 SG |
10 | #include <errno.h> |
11 | #include <malloc.h> | |
b7c6baef | 12 | #include <mapmem.h> |
91785f70 SG |
13 | #include <sdhci.h> |
14 | #include <asm/pci.h> | |
15 | ||
b7c6baef SG |
16 | struct pci_mmc_plat { |
17 | struct mmc_config cfg; | |
18 | struct mmc mmc; | |
19 | }; | |
20 | ||
21 | struct pci_mmc_priv { | |
22 | struct sdhci_host host; | |
23 | void *base; | |
24 | }; | |
25 | ||
26 | static int pci_mmc_probe(struct udevice *dev) | |
91785f70 | 27 | { |
b7c6baef SG |
28 | struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); |
29 | struct pci_mmc_plat *plat = dev_get_platdata(dev); | |
30 | struct pci_mmc_priv *priv = dev_get_priv(dev); | |
31 | struct sdhci_host *host = &priv->host; | |
32 | u32 ioaddr; | |
91785f70 | 33 | int ret; |
b7c6baef SG |
34 | |
35 | dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr); | |
36 | host->ioaddr = map_sysmem(ioaddr, 0); | |
37 | host->name = dev->name; | |
38 | ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0); | |
39 | if (ret) | |
40 | return ret; | |
41 | host->mmc = &plat->mmc; | |
42 | host->mmc->priv = &priv->host; | |
43 | host->mmc->dev = dev; | |
44 | upriv->mmc = host->mmc; | |
45 | ||
46 | return sdhci_probe(dev); | |
91785f70 | 47 | } |
b7c6baef SG |
48 | |
49 | static int pci_mmc_bind(struct udevice *dev) | |
50 | { | |
51 | struct pci_mmc_plat *plat = dev_get_platdata(dev); | |
52 | ||
53 | return sdhci_bind(dev, &plat->mmc, &plat->cfg); | |
54 | } | |
55 | ||
56 | U_BOOT_DRIVER(pci_mmc) = { | |
57 | .name = "pci_mmc", | |
58 | .id = UCLASS_MMC, | |
59 | .bind = pci_mmc_bind, | |
60 | .probe = pci_mmc_probe, | |
61 | .ops = &sdhci_ops, | |
62 | .priv_auto_alloc_size = sizeof(struct pci_mmc_priv), | |
63 | .platdata_auto_alloc_size = sizeof(struct pci_mmc_plat), | |
64 | }; | |
65 | ||
66 | static struct pci_device_id mmc_supported[] = { | |
a191ccaf | 67 | { PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) }, |
b7c6baef SG |
68 | {}, |
69 | }; | |
70 | ||
71 | U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported); |