c6713_emif.s62

SEED-DEC6713共可实现2种Boot方式

;
;  ======== c6713_emif.s62 ========
;
            .title  "Flash bootup utility"

; global EMIF symbols defined for the c671x family
            .include        boot_c671x.h62

;EMIF Register Addresses for c671x family  
EMIF_GCTL       .equ  0x01800000  ;EMIF global control
EMIF_CE1        .equ  0x01800004  ;address of EMIF CE1 control reg.
EMIF_CE0        .equ  0x01800008  ;EMIF CE0control
EMIF_CE2        .equ  0x01800010  ;EMIF CE2control
EMIF_CE3        .equ  0x01800014  ;EMIF CE3control
EMIF_SDRAMCTL   .equ  0x01800018  ;EMIF SDRAM control
EMIF_SDRAMTIM   .equ  0x0180001c  ;EMIF SDRAM timer
EMIF_SDRAMEXT   .equ  0x01800020  ;EMIF SDRAM extension

; EMIF Register Values specifically for 6713 DSK
EMIF_GCTL_V     .equ  0x00000078  ;
EMIF_CE0_V      .equ  0xffffbf33  ;EMIF CE0 SDRAM
EMIF_CE1_V      .equ  0x02208802  ;EMIF CE1 Flash 8-bit
EMIF_CE2_V      .equ  0x22a28a22  ;EMIF CE2 Daughtercard 32-bit async
EMIF_CE3_V      .equ  0x22a28a22  ;EMIF CE3 Daughtercard 32-bit async
EMIF_SDRAMCTL_V .equ  0x47115000  ;EMIF SDRAM control
EMIF_SDRAMTIM_V .equ  0x00000578  ;SDRAM timing (refresh)
EMIF_SDRAMEXT_V .equ  0x000a8529  ;SDRAM extended control