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fix(flash): flash erase operation may fail to raise PMS exception

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This commit is contained in:
Song Ruo Jing
2026-03-20 22:44:09 +08:00
parent 9c6ca38ab3
commit 7d0ddf3010
2 changed files with 20 additions and 0 deletions
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components/esp_hal_mspi/spi_flash_hal_common.inc
+17
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@@ -190,6 +190,23 @@ esp_err_t spi_flash_hal_common_command(spi_flash_host_inst_t *host, spi_flash_tr
io_mode = trans->io_mode;
}
#if SOC_IS(ESP32S3)
// On ESP32S3, PMS is enabled only if user_command = 1, user_addr = 1, and user_mosi = 1
// While for other targets, user_command = 1, user_addr = 1, and user_miso = 0 are the conditions to enable PMS.
// While erase command doesn't have mosi data, so PMS cannot be enabled
// The workaround is to send the low 8 bits of the address in data phase, in such way, user_mosi will be set to 1
if (command != 0x00 && trans->address_bitlen > 0 && trans->mosi_len == 0 && trans->miso_len == 0) {
uint32_t addr = trans->address;
// Split addr into two phases
trans->address_bitlen -= 8;
trans->address = addr >> 8; // the high bits of the addr
trans->mosi_len = 1;
trans->mosi_data = (uint8_t[]) {
(uint8_t)(addr & 0xFF)
}; // the low 8 bits of the addr
}
#endif
host->driver->configure_host_io_mode(host, command, trans->address_bitlen, dummy_bitlen, io_mode);
spi_flash_ll_set_usr_address(dev, trans->address, trans->address_bitlen);