m5373evb.cfg

Freescale ColdFire MCF537x 家族的参考代码

ResetHalt

;Turn on RAMBAR1 at address 80000000 
writecontrolreg 0x0C05 0x80000221

;Disable watchdog timer
writemem.w	0xFC098000 0x0000

;Init CS0
writemem.l 0xFC008000 0x00000000;
writemem.l 0xFC008008 0x00001FA0;
writemem.l 0xFC008004 0x001F0001;

;SDRAM Initialization

delay 100

writemem.l 0xFC0B8110	0x40000018  ; SDCS0 

writemem.l 0xFC0B8008	0x53722730  ; SDCFG1
writemem.l 0xFC0B800C	0x56670000  ; SDCFG2

; Issue PALL
writemem.l 0xFC0B8004	0xE1092002  ; SDCR

; Issue LEMR
writemem.l 0xFC0B8000	0x40010000  ; SDMR

; Write mode register
writemem.l 0xFC0B8000	0x058D0000  ; SDMR


; Wait a bit
delay 1000

; Issue PALL
writemem.l 0xFC0B8004	0xE1092002  ; SDCR


; Perform two refresh cycles
writemem.l 0xFC0B8004	0xE1092004  ; SDCR
writemem.l 0xFC0B8004	0xE1092004  ; SDCR

writemem.l 0xFC0B8000	0x018D0000  ; SDMR


writemem.l 0xFC0B8004	0x71092C00  ; SDCR


; Wait a bit
delay 100