97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
/*
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* Copyright (c) 2016 - 2020, Broadcom
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef CSL_SD_H
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#define CSL_SD_H
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#define SD_CLOCK_BASE 104000000
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#define SD_CLOCK_52MHZ 52000000
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#define SD_CLOCK_26MHZ 26000000
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#define SD_CLOCK_17MHZ 17330000
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#define SD_CLOCK_13MHZ 13000000
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#define SD_CLOCK_10MHZ 10000000
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#define SD_CLOCK_9MHZ 9000000
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#define SD_CLOCK_7MHZ 7000000
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#define SD_CLOCK_5MHZ 5000000
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#define SD_CLOCK_1MHZ 1000000
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#define SD_CLOCK_400KHZ 400000
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#define SD_DRIVE_STRENGTH_MASK 0x38000000
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#if defined(_BCM213x1_) || defined(_BCM21551_) || defined(_ATHENA_)
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#define SD_DRIVE_STRENGTH 0x28000000
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#elif defined(_BCM2153_)
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#define SD_DRIVE_STRENGTH 0x38000000
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#else
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#define SD_DRIVE_STRENGTH 0x00000000
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#endif
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#define SD_NUM_HOST 2
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#define SD_CARD_UNLOCK 0
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#define SD_CARD_LOCK 0x4
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#define SD_CARD_CLEAR_PWD 0x2
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#define SD_CARD_SET_PWD 0x1
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#define SD_CARD_ERASE_PWD 0x8
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#define SD_CARD_LOCK_STATUS 0x02000000
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#define SD_CARD_UNLOCK_STATUS 0x01000000
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#define SD_CMD_ERROR_FLAGS (0x18F << 16)
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#define SD_DATA_ERROR_FLAGS (0x70 << 16)
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#define SD_AUTO_CMD12_ERROR_FLAGS (0x9F)
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#define SD_CARD_STATUS_ERROR 0x10000000
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#define SD_CMD_MISSING 0x80000000
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#define SD_TRAN_HIGH_SPEED 0x32
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#define SD_CARD_HIGH_CAPACITY 0x40000000
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#define SD_CARD_POWER_UP_STATUS 0x80000000
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struct sd_dev_info {
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uint32_t mode; /* interrupt or polling */
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uint32_t dma; /* dma enabled or disabled */
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uint32_t voltage; /* voltage level */
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uint32_t slot; /* if the HC is locatd at slot 0 or slot 1 */
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uint32_t version; /* 1.0 or 2.0 */
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uint32_t curSystemAddr; /* system address */
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uint32_t dataWidth; /* data width for the controller */
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uint32_t clock; /* clock rate */
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uint32_t status; /* if device is active on transfer or not */
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};
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void data_xfer_setup(struct sd_handle *handle, uint8_t *data,
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uint32_t length, int dir);
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int reset_card(struct sd_handle *handle);
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int reset_host_ctrl(struct sd_handle *handle);
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int init_card(struct sd_handle *handle, int detection);
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int init_mmc_card(struct sd_handle *handle);
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int write_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer);
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int read_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer);
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int select_blk_sz(struct sd_handle *handle, uint16_t size);
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int check_error(struct sd_handle *handle, uint32_t ints);
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int process_data_xfer(struct sd_handle *handle, uint8_t *buffer,
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uint32_t addr, uint32_t length, int dir);
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int read_block(struct sd_handle *handle, uint8_t *dst, uint32_t addr,
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uint32_t len);
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#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
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int erase_card(struct sd_handle *handle, uint32_t addr, uint32_t blocks);
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#endif
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int write_block(struct sd_handle *handle, uint8_t *src, uint32_t addr,
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uint32_t len);
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int process_cmd_response(struct sd_handle *handle, uint32_t cmdIndex,
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uint32_t rsp0, uint32_t rsp1, uint32_t rsp2,
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uint32_t rsp3, struct sd_resp *resp);
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int32_t set_config(struct sd_handle *handle, uint32_t speed,
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uint32_t retry, uint32_t dma, uint32_t dmaBound,
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uint32_t blkSize, uint32_t wfe_retry);
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uint32_t wait_for_event(struct sd_handle *handle, uint32_t mask,
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uint32_t retry);
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int set_boot_config(struct sd_handle *handle, uint32_t config);
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int mmc_cmd1(struct sd_handle *handle);
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#endif /* CSL_SD_H */
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