; --------------------------------------------------------------------------------
; @Title: Serial FLASH Programming script for TI AM335x
; @Description:
; Serial FLASH(ST,25P64) is connected to McSPI_CH0 
;
; SDRAM: 0x40300000
;
; before booting up
; SPI Tx Register : 0x48030138   
; SPI Rx Register : 0x4803013C   
; SPI CS Register : 0x4803012C    
;
; @Author: jjeong
; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
; @Chip: AM335*
; @Keywords: ST 25P64 flash spi
; --------------------------------------------------------------------------------
; $Id: am335x-spi.cmm 10516 2022-02-02 11:39:30Z bschroefel $

LOCAL &arg1
ENTRY &arg1
&arg1=STRing.UPpeR("&arg1")  // for example "PREPAREONLY"


SYStem.CPU AM3359
TrOnchip.Set DABORT OFF
TrOnchip.Set PABORT OFF
TrOnchip.Set UNDEF OFF
SYStem.Option.ResBreak OFF
SYStem.Mode Go

WAIT 1.s

IF STATE.RUN()
Break.direct

PER.Set.simple C15:0x1 %Long 0xC50078  ;disable MMU & Cache

;wdog disable
Data.Set 0x44E35048 %LE %Long 0x0000AAAA 
Data.Set 0x44E35048 %LE %Long 0x00005555 

;configure the SPI pin mux registers
Data.Set 0x44E0004C %LE %Long 0x2
Data.Set 0x44E10950 %LE %Long 0x20
Data.Set 0x44E10954 %LE %Long 0x30
Data.Set 0x44E10958 %LE %Long 0x20
Data.Set 0x44E1095C %LE %Long 0x30

;configure the SPI registers
Data.Set 0x48030110 %LE %Long 0x2  
Data.Set 0x48030110 %LE %Long 0x15 
Data.Set 0x48030120 %LE %Long 0x1  
Data.Set 0x48030128 %LE %Long 0x1  
Data.Set 0x4803012C %LE %Long 0x1A0103C4   ; MCSPI_CH0 CONF
Data.Set 0x48030134 %LE %Long 0x1          ; Enable McSPI Channel 0

//FLASFILE.CONFIG  <Tx Reg>     <Rx Reg>     <CS Reg, McSPI_CH0CONF>      
  FLASHFILE.CONFIG 0x48030138   0x4803013C   0x4803012C    

//FLASHFILE.TARGET <Code Range>       <Data Range>        <Algorithm File>
  FLASHFILE.TARGET 0x40300000++0x1FFF 0x40302000++0x1FFF  ~~/demo/arm/flash/byte/spi64_mcspi.bin /KEEP

  FLASHFILE.GETID   ; Read FLASH Manufacture and Device ID

//End of the test prepareonly
IF "&arg1"=="PREPAREONLY"
ENDDO


//FLASHFILE.ERASE 0x0++0xFFFFF

//FLASHFILE.LOAD uboot.bin 0x0            ; Write uboot.bin to 0x0 on the serial flash  
//FLASHFILE.LOAD uboot.bin 0x0  /ComPare  ; Verify

  FLASHFILE.DUMP 0x0  ; Read out from the serial flash

ENDDO