; --------------------------------------------------------------------------------
; @Title: eMMC FLASH Programming script for OMAP3530
; @Description:
; eMMC FLASH(Numonyx, NAND16GXH) is connected
;
; Internal SRAM: 0x40200000
;
; SD/MMC Controller Register : 0x4809C100      
;
;
; @Author: jjeong
; @Chip: OMAP3530
; @Keywords: Numonyx NAND16GXH eMMC
; @Copyright: (C) 1989-2019 Lauterbach GmbH, licensed for use with TRACE32(R) only
; --------------------------------------------------------------------------------
; $Id: omap3530-emmc.cmm 7605 2019-11-05 16:45:28Z bschroefel $

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


 &MMC_BASE=0x4809C100

  SYStem.CPU OMAP3530
  SYStem.JtagClock RTCK
  ETM.OFF
  SYStem.Up

  Go.direct
  WAIT 2.s

  IF STATE.RUN()
  Break.direct

  Data.Set 0x4809C12C %Long 000E3C07  ; system control
  Data.Set 0x4809C108 %Long 0x10000
  Data.Set 0x4809C10C %Long 0x0A010000
  Data.Set 0x4809C104 %Long 0x200       ; transfer blk size
  Data.Set 0x4809C134 %Long 0x307f0033  ; enable the BRR bit

  GOSUB disable_watchdog

  GOSUB READ_ID_TEST

  FLASHFILE.RESet

//FLASHFILE.CONFIG <MMC Controller Base>  0x0   0x0
  FLASHFILE.CONFIG 0x4809C100             0x0   0x0

//FLASHFILE.target <Code_range>       <Data_range>       <Algorithm file>
  FLASHFILE.TARGET 0x40200000++0x1FFF 0x40204000++0x1FFF  ~~/demo/arm/flash/byte/emmc_omap.bin

//Read FLASH Manufacture and Device ID
  Data.Set 0x4809C12C %Long 0x000E3C07  ; 400Khz , the Card identification mode
  FLASHFILE.GETID
  Data.Set 0x4809C12C %Long 0x000E0807   ; higher clock speed for the Data transfer mode
  FLASHFILE.GETEXTCSD
  
  //End of the test prepareonly
  IF "&arg1"=="PREPAREONLY"
  ENDDO

  DIALOG.YESNO "Program flash memory?"
  ENTRY &progflash
  IF &progflash 
  (
  
  //Erase FLASH 
    FLASHFILE.Erase 0x0--0xFFFFFF  

  //Write FLASH
    FLASHFILE.LOAD.binary  * 0x0 
  
  //Verify FLASH
    ; FLASHFILE.LOAD  * 0x0  /ComPare
  )
  //Dump FLASH
  FLASHFILE.DUMP 0x0

ENDDO 


disable_watchdog:

  ; Enable Interface Clock
  Data.Set 0x48004C10 %Long 0x20
 
  ; Enable functional clock
  Data.Set 0x48004C00 %Long 0x20
 
  ; Check that module is IDLE
  WAIT (Data.Long(SD:0x48004C20)&0x20)==0 
   
  ; Disable watchdog timer
  Data.Set SD:0x48314048 %Long 0x0000AAAA
  WAIT (Data.Long(SD:0x48314034)&0x10)==0
 
  Data.Set SD:0x48314048 %Long 0x00005555
  WAIT (Data.Long(SD:0x48314034)&0x10)==0
 
  ; Check if the watchdog timer is running
  IF (Data.Long(SD:0x48314048)!=0x00005555)
  (
    ; Disable Watchdog 2
    ; Wait until reset complete
    WAIT (Data.Long(SD:0x48314014)&0x01)!=0
 
    ; Disable 32Khz watchdog timer
    Data.Set 0x48314048 %Long 0x0000AAAA
 
    WAIT (Data.Long(SD:0x48314034)&0x10)==0
           
    ; Disable 32Khz watchdog timer
    Data.Set 0x48314048 %Long 0x00005555
   
    WAIT (Data.Long(SD:0x48314034)&0x10)==0 
  )
 
RETURN



READ_ID_TEST:
//MMC interface, not SD(HC)
//CMD0
RePeaT 2.
(
Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x8 %Long 0x0  ;arg 
Data.Set &MMC_BASE+0xc %Long 0x0  ;cmd
WAIT 10.ms
)

//CMD1
RePeaT 10.
(
Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x8 %Long 0x40FF8000 ;arg
Data.Set &MMC_BASE+0xc %Long 0x01020000 ;cmd1
WAIT 100.ms
&resp=Data.Long(A:(&MMC_BASE+0x10))
//print "CMD1 resp: 0x" &resp
IF (&resp&0x80000000)==0x80000000
(
GOTO jump_cmd2
)
)

PRINT "CMD1 fail"
END

jump_cmd2:
//CMD2
Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x8 %Long 0x0     ;arg
Data.Set &MMC_BASE+0xc %Long 0x02010000 ;cmd2
WAIT 10.ms

//CMD3
Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x8 %Long 0x00010000  ; arg, MMC RCA is (0x0001<<16.)
Data.Set &MMC_BASE+0xc %Long 0x03020000  ;cmd3
WAIT 10.ms

//CMD10
Data.Set &MMC_BASE+0x30 %Long 0xFFFFFFFF ;clear status
Data.Set &MMC_BASE+0x8 %Long 0x00010000 ; arg, MMC RCA is (0x0001<<16.)
Data.Set &MMC_BASE+0xc %Long 0x0A010000  ;cmd10
WAIT 10.ms

//Response2
PRINT "CID register"
PRINT "[127:104] 0x" Data.Long(A:(&MMC_BASE+0x1c))
PRINT "[103:72]  0x" Data.Long(A:(&MMC_BASE+0x18))
PRINT "[71:40]   0x" Data.Long(A:(&MMC_BASE+0x14))
PRINT "[39:8]    0x" Data.Long(A:(&MMC_BASE+0x10))

RETURN