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/*
* Copyright 2013 Google Inc.
* Copyright 2017 Intel Corporation
*
* 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.
*/
#if ENV_RAMSTAGE
#define __SIMPLE_DEVICE__ 1
#endif
#include <arch/early_variables.h>
#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 CAR_GLOBAL;
static struct sdhci_ctrlr sdhci_ctrlr CAR_GLOBAL;
if (car_get_var(sdhci_init_done) == true) {
sdhc_error("Error: SDHCI is already initialized.\n");
return NULL;
}
if (sdhci_controller_init(car_get_var_ptr(&sdhci_ctrlr), ioaddr)) {
sdhc_error("Error: SDHCI initialization failed.\n");
return NULL;
}
car_set_var(sdhci_init_done, true);
return car_get_var_ptr(&sdhci_ctrlr.sd_mmc_ctrlr);
}
struct sd_mmc_ctrlr *new_pci_sdhci_controller(uint32_t dev)
{
uint32_t addr;
addr = pci_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);
}
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