diff options
Diffstat (limited to 'src/commonlib/storage/pci_sdhci.c')
-rw-r--r-- | src/commonlib/storage/pci_sdhci.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/commonlib/storage/pci_sdhci.c b/src/commonlib/storage/pci_sdhci.c new file mode 100644 index 0000000000..c53ab001a9 --- /dev/null +++ b/src/commonlib/storage/pci_sdhci.c @@ -0,0 +1,64 @@ +/* + * 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. + */ + +#include <rules.h> +#if ENV_RAMSTAGE +#define __SIMPLE_DEVICE__ 1 +#endif + +#include <assert.h> +#include <commonlib/sdhci.h> +#include <console/console.h> +#include <device/pci.h> +#include "sd_mmc.h" +#include "storage.h" +#include <string.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) +{ + struct sdhci_ctrlr *sdhci_ctrlr; + + sdhci_ctrlr = malloc(sizeof(*sdhci_ctrlr)); + if (sdhci_ctrlr == NULL) + return NULL; + + if (sdhci_controller_init(sdhci_ctrlr, ioaddr)) { + free(sdhci_ctrlr); + sdhci_ctrlr = NULL; + } + return &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); +} |