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Merge branch 'fix/sdspi_cmd52_error_v5.2' into 'release/v5.2'

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fix(sdmmc): fix sdmmc initialization issue caused by CMD52 CRC error (v5.2)

See merge request espressif/esp-idf!40285
This commit is contained in:
Jiang Jiang Jian
2025-07-11 13:55:49 +08:00
parent 5bfec6a7be 1b0eef38fe
commit 9f747331f0
1 changed files with 4 additions and 1 deletions
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5
components/sdmmc/sdmmc_io.c
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@@ -66,9 +66,12 @@ esp_err_t sdmmc_io_reset(sdmmc_card_t* card)
{ {
uint8_t sdio_reset = CCCR_CTL_RES; uint8_t sdio_reset = CCCR_CTL_RES;
esp_err_t err = sdmmc_io_rw_direct(card, 0, SD_IO_CCCR_CTL, SD_ARG_CMD52_WRITE, &sdio_reset); esp_err_t err = sdmmc_io_rw_direct(card, 0, SD_IO_CCCR_CTL, SD_ARG_CMD52_WRITE, &sdio_reset);
if (err == ESP_ERR_TIMEOUT || (host_is_spi(card) && err == ESP_ERR_NOT_SUPPORTED)) { if (err == ESP_ERR_TIMEOUT || (host_is_spi(card) && err == ESP_ERR_NOT_SUPPORTED) || err == ESP_ERR_INVALID_CRC) {
/* Non-IO cards are allowed to time out (in SD mode) or /* Non-IO cards are allowed to time out (in SD mode) or
* return "invalid command" error (in SPI mode). * return "invalid command" error (in SPI mode).
* CRC errors are also allowed as the card may be in a state where
* CRC is enabled from a previous session, especially after ESP32 restart
* without power cycling the SD card.
*/ */
} else if (err == ESP_ERR_NOT_FOUND) { } else if (err == ESP_ERR_NOT_FOUND) {
ESP_LOGD(TAG, "%s: card not present", __func__); ESP_LOGD(TAG, "%s: card not present", __func__);