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flash:patch for clearing WEL in ROM

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This commit is contained in:
Cao Sen Miao 2020-09-21 12:49:30 +08:00
parent 87bc33f7df
commit f448e97fea
1 changed files with 6 additions and 4 deletions
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10
components/spi_flash/esp32/spi_flash_rom_patch.c
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@ -101,11 +101,13 @@ esp_rom_spiflash_result_t esp_rom_spiflash_unlock(void)
while (REG_READ(SPI_CMD_REG(SPI_IDX)) != 0) {
}
esp_rom_spiflash_wait_idle(&g_rom_spiflash_chip);
if (esp_rom_spiflash_write_status(&g_rom_spiflash_chip, new_status) != ESP_ROM_SPIFLASH_RESULT_OK) {
return ESP_ROM_SPIFLASH_RESULT_ERR;
esp_rom_spiflash_result_t ret = esp_rom_spiflash_write_status(&g_rom_spiflash_chip, new_status);
// WEL bit should be cleared after operations regardless of writing succeed or not.
esp_rom_spiflash_wait_idle(&g_rom_spiflash_chip);
REG_WRITE(SPI_CMD_REG(SPI_IDX), SPI_FLASH_WRDI);
while (REG_READ(SPI_CMD_REG(SPI_IDX)) != 0) {
}
return ESP_ROM_SPIFLASH_RESULT_OK;
return ret;
}
#if CONFIG_SPI_FLASH_ROM_DRIVER_PATCH