MEMORY
{
  /* FLASH and RAM lengths must match the RP2040 */
  BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
  FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100
  RAM   : ORIGIN = 0x20000000, LENGTH = 256K
  SCRATCH_A : ORIGIN = 0x20040000, LENGTH = 4K
  SCRATCH_B : ORIGIN = 0x20041000, LENGTH = 4K
}