1*4882a593SmuzhiyunFreescale ls2080a_emu 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThis is a emulator target with limited peripherals. 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunMemory map from core's view 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun0x00_0000_0000 .. 0x00_000F_FFFF Boot Rom 8*4882a593Smuzhiyun0x00_0100_0000 .. 0x00_0FFF_FFFF CCSR 9*4882a593Smuzhiyun0x00_1800_0000 .. 0x00_181F_FFFF OCRAM 10*4882a593Smuzhiyun0x00_3000_0000 .. 0x00_3FFF_FFFF IFC region #1 11*4882a593Smuzhiyun0x00_8000_0000 .. 0x00_FFFF_FFFF DDR region #1 12*4882a593Smuzhiyun0x05_1000_0000 .. 0x05_FFFF_FFFF IFC region #2 13*4882a593Smuzhiyun0x80_8000_0000 .. 0xFF_FFFF_FFFF DDR region #2 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunOther addresses are either reserved, or not used directly by U-Boot. 16*4882a593SmuzhiyunThis list should be updated when more addresses are used. 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunBooting Linux flavors which do not support 48-bit VA (< Linux 3.18) 19*4882a593Smuzhiyun------------------------------------------------------------------- 20*4882a593SmuzhiyunOne needs to use appropriate bootargs to boot Linux flavors which do 21*4882a593Smuzhiyunnot support 48-bit VA (for e.g. < Linux 3.18) by appending mem=2048M, as shown 22*4882a593Smuzhiyunbelow: 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun=> setenv bootargs 'console=ttyS1,115200 root=/dev/ram 25*4882a593Smuzhiyun earlycon=uart8250,mmio,0x21c0600,115200 default_hugepagesz=2m hugepagesz=2m 26*4882a593Smuzhiyun hugepages=16 mem=2048M' 27*4882a593Smuzhiyun 28