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Diffstat (limited to 'src/include/device/sdhci.h')
-rw-r--r-- | src/include/device/sdhci.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/include/device/sdhci.h b/src/include/device/sdhci.h new file mode 100644 index 0000000000..f11e589395 --- /dev/null +++ b/src/include/device/sdhci.h @@ -0,0 +1,77 @@ +/* + * Copyright 2011, Marvell Semiconductor Inc. + * Lei Wen <leiwen@marvell.com> + * + * Copyright 2017 Intel Corporation + * + * SD host controller specific definitions + * + * 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. + */ +#ifndef __DEVICE_SDHCI_H__ +#define __DEVICE_SDHCI_H__ + +#include <device/sd_mmc_ctrlr.h> + +/* Driver specific capabilities */ +#define DRVR_CAP_1V8_VDD 0x00010000 +#define DRVR_CAP_32BIT_DMA_ADDR 0x00020000 +#define DRVR_CAP_8BIT 0x00040000 +#define DRVR_CAP_BROKEN_R1B 0x00080000 +#define DRVR_CAP_NO_CD 0x00100000 +#define DRVR_CAP_NO_HISPD_BIT 0x00200000 +#define DRVR_CAP_NO_SIMULT_VDD_AND_POWER 0x00400000 +#define DRVR_CAP_REG32_RW 0x00800000 +#define DRVR_CAP_SPI 0x01000000 +#define DRVR_CAP_WAIT_SEND_CMD 0x02000000 + +/* ADMA packet descriptor */ +struct sdhci_adma { + u16 attributes; + u16 length; + u32 addr; +}; + +struct sdhci_adma64 { + u16 attributes; + u16 length; + u32 addr; + u32 addr_hi; +}; + +struct sdhci_ctrlr { + struct sd_mmc_ctrlr sd_mmc_ctrlr; + void *ioaddr; + uint32_t b_max; + + /* + * Dynamically allocated array of ADMA descriptors to use for data + * transfers + */ + struct sdhci_adma *adma_descs; + struct sdhci_adma64 *adma64_descs; + + /* Number of ADMA descriptors currently in the array. */ + int adma_desc_count; +}; + +int add_sdhci(struct sdhci_ctrlr *sdhci_ctrlr); +int sdhci_controller_init(struct sdhci_ctrlr *sdhci_ctrlr, void *ioaddr); +void sdhci_update_pointers(struct sdhci_ctrlr *sdhci_ctrlr); +void sdhci_display_setup(struct sdhci_ctrlr *sdhci_ctrlr); + +/* Add SDHCI controller from PCI */ +struct sd_mmc_ctrlr *new_pci_sdhci_controller(uint32_t dev); + +/* Add SDHCI controller with memory address */ +struct sd_mmc_ctrlr *new_mem_sdhci_controller(void *ioaddr); + +#endif /* __DEVICE_SDHCI_H__ */ |