MEMORY
{
  L2_LIM : ORIGIN = 0x8000000, LENGTH = 0x200000
  RAM : ORIGIN = 0x40000000, LENGTH = 0x200000000
  FLASH : ORIGIN = 0x21000000, LENGTH = 0x8000000 
}

REGION_ALIAS("REGION_TEXT", FLASH);
REGION_ALIAS("REGION_RODATA", FLASH);
REGION_ALIAS("REGION_DATA", RAM);
REGION_ALIAS("REGION_BSS", RAM);
REGION_ALIAS("REGION_HEAP", RAM);
REGION_ALIAS("REGION_STACK", L2_LIM);

_stack_start = ORIGIN(L2_LIM) + LENGTH(L2_LIM);