esp-idf/components/spi_flash/test_apps/flash_mmap/partitions.csv

1	# Name, Type, SubType, Offset, Size, Flags
2	# Note: if you have increased the bootloader size, make sure to update the offsets to avoid overlap
3	nvs, data, nvs, 0x9000, 0x6000,
4	flash_test, data, fat, 0x10000, 528K
5	# This partition is placed to this weird address intentionally to test spi_flash_cache2phys
6	factory, 0, 0, 0xF0000, 1M