u-boot/drivers/mmc/pci_mmc.c
Simon Glass 91785f70b9 x86: mmc: Move common FSP functions into a common file
Since these board functions seem to be the same for all boards which use
FSP, move them into a common file. We can adjust this later if future FSPs
need more flexibility.

This creates a generic PCI MMC device.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
2015-02-06 12:07:36 -07:00

42 lines
854 B
C

/*
* 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,
int num_ids)
{
struct sdhci_host *mmc_host;
pci_dev_t devbusfn;
u32 iobase;
int ret;
int i;
for (i = 0; i < num_ids; i++) {
devbusfn = pci_find_devices(mmc_supported, i);
if (devbusfn == -1)
return -ENODEV;
mmc_host = malloc(sizeof(struct sdhci_host));
if (!mmc_host)
return -ENOMEM;
mmc_host->name = (char *)name;
pci_read_config_dword(devbusfn, 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;
}