MEMORY
{
    ram  : ORIGIN = 0x20001000, LENGTH = 512M
    fixedaddr  : ORIGIN = 0x20000000, LENGTH = 0x1000
}


SECTIONS
{
    .fixedaddr :
    {
    . = ALIGN(4);
    __fixedaddr_start__ = .;
    *(.fixedaddr*)
    __fixedaddr_end__ = .;
    } > fixedaddr
   .text : { *(.text*) } > ram
   .bss  : { *(.text*) } > ram
}