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sdmmc: Add erase command-38. Support erase/trim/discard/sanitize

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options.

Erase command (38) for SD cards allows option for erase/dicard/fule
operation at block level and for MMC cards supports option for
discard/trim at block level. When Sanitize is executed only the
portion of data that was unmapped by a Discard command shall be
removed by the Sanitize command.

Unit test cases added to verify ERASE feature in SD/SDSPI mode.
TRIM/DISCARD/SANITIZE tests for eMMC devices.

Closes https://github.com/espressif/esp-idf/pull/7635
Closes https://github.com/espressif/esp-idf/issues/7623
This commit is contained in:
Vamshi Gajjela
2022-02-25 17:14:53 +05:30
parent 19ddb8bde1
commit ffdbeee9f6
12 changed files with 825 additions and 16 deletions
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3
components/sdmmc/sdmmc_init.c
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@@ -112,6 +112,9 @@ esp_err_t sdmmc_card_init(const sdmmc_host_t* config, sdmmc_card_t* card)
SDMMC_INIT_STEP(always, sdmmc_init_host_bus_width);
}
/* SD card: read SD Status register */
SDMMC_INIT_STEP(is_sdmem, sdmmc_init_sd_ssr);
/* Switch to the host to use card->max_freq_khz frequency. */
SDMMC_INIT_STEP(always, sdmmc_init_host_frequency);