init.cs

来自「Embest ATEB9200开发板部分测试程序。」· CS 代码 · 共 35 行

reset								; Reset stop
;memwrite 0xFFFFFC20 0x0000FF01 
;memwrite 0xFFFFFC2C 0x102F3E05 
;memwrite 0xFFFFFC30 0x00000007

memwrite 0xFFFFFF00 0x1				; remap inter sram => 0x00000000
memwrite 0xFFFFF804 0xFFFF0000		; set PIOC as peripheral
memwrite 0xFFFFFF60 0x00000002		; set EBI cs for sdram
memwrite 0xFFFFFF98 0x7fffffd0		; Init SDRAM
memwrite 0xFFFFFF90 0x00000002		; set SDRAM Mode registor
delay								; delay
memwrite 0xFFFFFF90 0x00000004		; set SDRAM Mode registor
delay								; delay
delay								
delay								
delay								
delay								
delay								
delay
delay
memwrite 0xFFFFFF90 0x00000003		; set SDRAM Mode registor
delay
memwrite 0xFFFFFF94 0x000001F4 		; set SDRAM Reflash Time
delay
memwrite 0xFFFFFF90 0x00000000 		; set SDRAM Mode registor
delay

memwrite 0xFFFFFF60 0x00000002		; set chip select assignment registor sdram => cs1	
memwrite 0xFFFFFF64 0x00000000		; EBI configuration registor
memwrite 0xFFFFFF70 0x00003284		; set SMC chip select registor

memwrite 0xFFFFFC20 0x0000FF01 		; enable main oscillator
memwrite 0xFFFFFC2C 0x10483E0E 		; set pllb registor
memwrite 0xFFFFFC30 0x00000001		; set main clock as master clock