MEMORY {
    BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
    FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100

    /* RP2040: 264K RAM (6K stripe + 256K main, used as one block) */
    RAM   : ORIGIN = 0x20000000, LENGTH = 264K
}