set 0xb82f4000 0x0000090b
set 0xb82f4004 0xffffffff
set 0xb82f1000 0x001408fc
set 0xb82f1004 0x003000fc
set 0xb82f1014 0x030d0030   # for SDRAM
set 0xb82f1018 0x00f50222   # for SDRAM
set 0xb82f101c 0x00000001   # init SDRAM
set 0xb82f1024 0x00ff0000