summaryrefslogtreecommitdiff
path: root/drivers/mmc/pci_mmc.c
blob: 5fb71518c4d819a5029c9ec53b40b2cfc0cdbd01 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
 * Copyright (C) 2015, Google, Inc
 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <errno.h>
#include <malloc.h>
#include <sdhci.h>
#include <asm/pci.h>

int pci_mmc_init(const char *name, struct pci_device_id *mmc_supported)
{
	struct sdhci_host *mmc_host;
	u32 iobase;
	int ret;
	int i;

	for (i = 0; ; i++) {
		struct udevice *dev;

		ret = pci_find_device_id(mmc_supported, i, &dev);
		if (ret)
			return ret;
		mmc_host = malloc(sizeof(struct sdhci_host));
		if (!mmc_host)
			return -ENOMEM;

		mmc_host->name = (char *)name;
		dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &iobase);
		mmc_host->ioaddr = (void *)iobase;
		mmc_host->quirks = 0;
		ret = add_sdhci(mmc_host, 0, 0);
		if (ret)
			return ret;
	}

	return 0;
}