diff options
Diffstat (limited to '')
| -rw-r--r-- | include/drivers/brcm/emmc/emmc_csl_sd.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/drivers/brcm/emmc/emmc_csl_sd.h b/include/drivers/brcm/emmc/emmc_csl_sd.h new file mode 100644 index 0000000..52b8bc8 --- /dev/null +++ b/include/drivers/brcm/emmc/emmc_csl_sd.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2016 - 2020, Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CSL_SD_H +#define CSL_SD_H + +#define SD_CLOCK_BASE 104000000 +#define SD_CLOCK_52MHZ 52000000 +#define SD_CLOCK_26MHZ 26000000 +#define SD_CLOCK_17MHZ 17330000 +#define SD_CLOCK_13MHZ 13000000 +#define SD_CLOCK_10MHZ 10000000 +#define SD_CLOCK_9MHZ 9000000 +#define SD_CLOCK_7MHZ 7000000 +#define SD_CLOCK_5MHZ 5000000 +#define SD_CLOCK_1MHZ 1000000 +#define SD_CLOCK_400KHZ 400000 + +#define SD_DRIVE_STRENGTH_MASK 0x38000000 +#if defined(_BCM213x1_) || defined(_BCM21551_) || defined(_ATHENA_) +#define SD_DRIVE_STRENGTH 0x28000000 +#elif defined(_BCM2153_) +#define SD_DRIVE_STRENGTH 0x38000000 +#else +#define SD_DRIVE_STRENGTH 0x00000000 +#endif + +#define SD_NUM_HOST 2 + +#define SD_CARD_UNLOCK 0 +#define SD_CARD_LOCK 0x4 +#define SD_CARD_CLEAR_PWD 0x2 +#define SD_CARD_SET_PWD 0x1 +#define SD_CARD_ERASE_PWD 0x8 + +#define SD_CARD_LOCK_STATUS 0x02000000 +#define SD_CARD_UNLOCK_STATUS 0x01000000 + +#define SD_CMD_ERROR_FLAGS (0x18F << 16) +#define SD_DATA_ERROR_FLAGS (0x70 << 16) +#define SD_AUTO_CMD12_ERROR_FLAGS (0x9F) +#define SD_CARD_STATUS_ERROR 0x10000000 +#define SD_CMD_MISSING 0x80000000 + +#define SD_TRAN_HIGH_SPEED 0x32 +#define SD_CARD_HIGH_CAPACITY 0x40000000 +#define SD_CARD_POWER_UP_STATUS 0x80000000 + +struct sd_dev_info { + uint32_t mode; /* interrupt or polling */ + uint32_t dma; /* dma enabled or disabled */ + uint32_t voltage; /* voltage level */ + uint32_t slot; /* if the HC is locatd at slot 0 or slot 1 */ + uint32_t version; /* 1.0 or 2.0 */ + uint32_t curSystemAddr; /* system address */ + uint32_t dataWidth; /* data width for the controller */ + uint32_t clock; /* clock rate */ + uint32_t status; /* if device is active on transfer or not */ +}; + +void data_xfer_setup(struct sd_handle *handle, uint8_t *data, + uint32_t length, int dir); +int reset_card(struct sd_handle *handle); +int reset_host_ctrl(struct sd_handle *handle); +int init_card(struct sd_handle *handle, int detection); +int init_mmc_card(struct sd_handle *handle); +int write_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer); +int read_buffer(struct sd_handle *handle, uint32_t len, uint8_t *buffer); +int select_blk_sz(struct sd_handle *handle, uint16_t size); +int check_error(struct sd_handle *handle, uint32_t ints); + +int process_data_xfer(struct sd_handle *handle, uint8_t *buffer, + uint32_t addr, uint32_t length, int dir); +int read_block(struct sd_handle *handle, uint8_t *dst, uint32_t addr, + uint32_t len); +#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE +int erase_card(struct sd_handle *handle, uint32_t addr, uint32_t blocks); +#endif +int write_block(struct sd_handle *handle, uint8_t *src, uint32_t addr, + uint32_t len); +int process_cmd_response(struct sd_handle *handle, uint32_t cmdIndex, + uint32_t rsp0, uint32_t rsp1, uint32_t rsp2, + uint32_t rsp3, struct sd_resp *resp); +int32_t set_config(struct sd_handle *handle, uint32_t speed, + uint32_t retry, uint32_t dma, uint32_t dmaBound, + uint32_t blkSize, uint32_t wfe_retry); + +uint32_t wait_for_event(struct sd_handle *handle, uint32_t mask, + uint32_t retry); +int set_boot_config(struct sd_handle *handle, uint32_t config); + +int mmc_cmd1(struct sd_handle *handle); +#endif /* CSL_SD_H */ |