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73 lines
2.1 KiB
73 lines
2.1 KiB
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* SD host controller specific definitions
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*/
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#ifndef __COMMONLIB_SDHCI_H__
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#define __COMMONLIB_SDHCI_H__
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#include <commonlib/sd_mmc_ctrlr.h>
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/* Driver specific capabilities */
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#define DRVR_CAP_1V8_VDD 0x00010000
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#define DRVR_CAP_32BIT_DMA_ADDR 0x00020000
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#define DRVR_CAP_BROKEN_R1B 0x00040000
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#define DRVR_CAP_NO_CD 0x00080000
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#define DRVR_CAP_NO_HISPD_BIT 0x00100000
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#define DRVR_CAP_NO_SIMULT_VDD_AND_POWER 0x00200000
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#define DRVR_CAP_REG32_RW 0x00400000
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#define DRVR_CAP_SPI 0x00800000
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#define DRVR_CAP_WAIT_SEND_CMD 0x01000000
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/* ADMA packet descriptor */
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struct sdhci_adma {
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u16 attributes;
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u16 length;
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u32 addr;
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};
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struct sdhci_adma64 {
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u16 attributes;
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u16 length;
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u32 addr;
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u32 addr_hi;
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};
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struct sdhci_ctrlr {
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struct sd_mmc_ctrlr sd_mmc_ctrlr;
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void *ioaddr;
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uint32_t b_max;
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/*
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* Dynamically allocated array of ADMA descriptors to use for data
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* transfers
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*/
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struct sdhci_adma *adma_descs;
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struct sdhci_adma64 *adma64_descs;
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/* Number of ADMA descriptors currently in the array. */
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int adma_desc_count;
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};
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int add_sdhci(struct sdhci_ctrlr *sdhci_ctrlr);
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int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr);
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void sdhci_update_pointers(struct sdhci_ctrlr *sdhci_ctrlr);
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void sdhci_display_setup(struct sdhci_ctrlr *sdhci_ctrlr);
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/* Add SDHCI controller from PCI */
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struct sd_mmc_ctrlr *new_pci_sdhci_controller(uint32_t dev);
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/* Add SDHCI controller with memory address */
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struct sd_mmc_ctrlr *new_mem_sdhci_controller(void *ioaddr);
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#endif /* __COMMONLIB_SDHCI_H__ */
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