blob: 380f2db5579f39e077351d1c18de226c595ea20d [file] [log] [blame]
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but without any warranty; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <commonlib/sdhci.h>
#include <device/pci.h>
#include <device/pci_ops.h>
#include <stdint.h>
#include <string.h>
#include "sd_mmc.h"
#include "storage.h"
/* Initialize an SDHCI port */
int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr)
{
memset(sdhci_ctrlr, 0, sizeof(*sdhci_ctrlr));
sdhci_ctrlr->ioaddr = ioaddr;
return add_sdhci(sdhci_ctrlr);
}
struct sd_mmc_ctrlr *new_mem_sdhci_controller(void *ioaddr)
{
static bool sdhci_init_done;
static struct sdhci_ctrlr sdhci_ctrlr;
if (sdhci_init_done == true) {
sdhc_error("Error: SDHCI is already initialized.\n");
return NULL;
}
if (sdhci_controller_init(&sdhci_ctrlr, ioaddr)) {
sdhc_error("Error: SDHCI initialization failed.\n");
return NULL;
}
sdhci_init_done = true;
return &sdhci_ctrlr.sd_mmc_ctrlr;
}
struct sd_mmc_ctrlr *new_pci_sdhci_controller(pci_devfn_t dev)
{
uint32_t addr;
addr = pci_s_read_config32(dev, PCI_BASE_ADDRESS_0);
if (addr == ((uint32_t)~0)) {
sdhc_error("Error: PCI SDHCI not found\n");
return NULL;
}
addr &= ~0xf;
return new_mem_sdhci_controller((void *)addr);
}