init_ddr.txt

飞思卡尔imx27芯片的bootloader--redboot源码！

comment =========================================
comment 	AHB-Lite IP Interface  
comment =========================================
setmem 0x10000000 0x20040304 32
setmem 0x10020000 0x00000000 32
setmem 0x10000004 0xDFFBFCFB 32
setmem 0x10020004 0xFFFFFFFF 32

comment ========================================
comment  Configure DDR on CSD0 -- initial reset
comment ========================================
setmem 0xD8001010 0x00000008 32

comment ========================================
comment  Configure PSRAM on CS5 
comment ========================================
setmem 0xd8002050 0x0000dcf6 32
setmem 0xd8002054 0x444a4541 32
setmem 0xd8002058 0x44443302 32

comment  ========================================
comment         Configure16 bit NorFlash on CS0
comment  ========================================
setmem 0xd8002000 0x0000CC03 32
setmem 0xd8002004 0xa0330D01 32
setmem 0xd8002008 0x00220800 32

comment ========================================
comment  Configure CPLD on CS4 
comment ========================================

setmem 0xd8002040 0x0000DCF6 32
setmem 0xd8002044 0x444A4541 32
setmem 0xd8002048 0x44443302 32

comment ========================================
comment  Configure DDR on CSD0 -- wait 5000 cycle 
comment ========================================
setmem 0xD8001010 0x00000008 32
setmem 0x10027828 0x55555555 32
setmem 0x10027830 0x55555555 32
setmem 0x10027834 0x55555555 32
setmem 0x10027838 0x00005005 32
setmem 0x1002783C 0x15555555 32
setmem 0xD8001010 0x00000004 32
setmem 0xD8001004 0x00795729 32
setmem 0xD8001000 0x92200000 32
mem    0xA0000F00 +4	     32
setmem 0xD8001000 0xA2200000 32
mem    0xA0000F00 +4	     32
mem    0xA0000F00 +4	     32
setmem 0xD8001000 0xB2200000 32
mem    0xA0000033 +1	     8
mem    0xA1000000 +1	     8
setmem 0xD8001000 0x82228485 32

lb "r:\tftp\mx27ads_redboot.bin", 0xA7F00000
setpc 0xA7F00000