; --------------------------------------------------------------------------------
; @Title: i.MX27 NAND FLASH Programming Script
; @Description:
;   FLASH Type: NAND FLASH(SAMSUNG, K9F2G08)
; 
;   SDRAM: 0xA0008000
;   NAND FLASH Controller(CPU-specific): 0xDB000000
; 
; @Author: jjeong
; @Chip: IMX27
; @Keywords: SAMSUNG K9F2G08
; @Copyright: (C) 1989-2022 Lauterbach GmbH, licensed for use with TRACE32(R) only
; --------------------------------------------------------------------------------
; $Id: imx27-nand2g08.cmm 10516 2022-02-02 11:39:30Z bschroefel $

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



 PRINT "initializing..."
 SYStem.CPU MCIMX27             ; set your CPU here
 SYStem.Option DACR ON          ; give Debugger global write permissions
 SYStem.Option ResBreak OFF     ; board specific, see documentation
 SYStem.JtagClock 10.0MHz       ; board specific, see documentation
 TrOnchip.Set DABORT OFF        ; used by Linux for page miss!
 TrOnchip.Set PABORT OFF        ; used by Linux for page miss!
 TrOnchip.Set UNDEF OFF         ; my be used by Linux for FPU detection
 SYStem.Option MMUSPACES ON     ; enable space ids to virtual addresses
 
 SYStem.Up

//Call SDRAM initialization
  GOSUB sdram_init

//NAND FLASH Controller Clk divide for i.MX27
  PER.Set.simple AD:0x10027018 %Long 0x13C401C3  

  Break.RESet

  FLASHFILE.RESet
//FLASHFILE.CONFIG <NAND Flash Controller Base Address> , ,
  FLASHFILE.CONFIG 0xDB000000  , ,  , ,

//FLASHFILE.TARGET <code range> <data range> <Algorithm file>
  FLASHFILE.TARGET 0xA0008000++0x3fff 0xA000C000++0x4FFF ~~/demo/arm/flash/byte/nand2g08_imx.bin  /KEEP

//Read FLASH Manufacture and Device ID
  FLASHFILE.GETID

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


//Put a list of bad blocks into area window for 2Gbit (256MB) size
  FLASHFILE.GETBADBLOCK 0x0--0xFFFFFFF

//Erase NAND FLASH Main and Bad block inforamtion
 ;FLASHFILE.ERASE 0x0--0x7FFFFFF  /EraseBadBlocks

//Write NAND FLASH
  ;FLASHFILE.LOAD  * 0x0 //WriteBadBlocks 

//Read NAND FLASH
  FLASHFILE.DUMP 0x0

  ENDDO

; --------------------------------------------------------------------------------
; Initialization script for 32 bit DDR on Tortola EVB 
; --------------------------------------------------------------------------------

sdram_init:

; Start-up script for i.MX27 ADS board from Freescale

Data.Set c15:0x01 %Long 0x00050078
; configuring CP15 for enabling the pripheral bus
Data.Set c15:0x042f %Long 0x40000015

Data.Set sd:0x10000000 %LE %Long 0x20040304
Data.Set sd:0x10020000 %LE %Long 0x00000000
Data.Set sd:0x10000004 %LE %Long 0xDFFBFCFB
Data.Set sd:0x10020004 %LE %Long 0xFFFFFFFF

; Enable clko
Data.Set sd:0x10027018 %LE %Long 0x22087403
; clko = a-7 h-8 i-9 p1-a p2-b p3-c p4-d
Data.Set sd:0x10027028 %LE %Long 0x00000007

Data.Set sd:0x10027854 %LE %Long 0x03
Data.Set sd:0x10027814 %LE %Long 0xFFFFFFC9

; Configure DDR on CSD0 -- initial reset
;Data.Set sd:0xD8001010 %le %long 0x00000008

; Configure PSRAM on CS5 
Data.Set sd:0xd8002050 %LE %Long 0x0000DCF6
Data.Set sd:0xd8002054 %LE %Long 0x444A4541
Data.Set sd:0xd8002058 %LE %Long 0x44443302

; Configure16 bit NorFlash on CS0
;Data.Set sd:0xd8002000 %le %long 0x0000CC03
;Data.Set sd:0xd8002004 %le %long 0xa0330D01
;Data.Set sd:0xd8002008 %le %long 0x00220800

; Configure CPLD on CS4 
;Data.Set sd:0xd8002040 %le %long 0x0000DCF6
;Data.Set sd:0xd8002044 %le %long 0x444A4541
;Data.Set sd:0xd8002048 %le %long 0x44443302

// ========================================
//  Configure DDR on CSD0 -- wait 5000 cycle 
// ========================================
Data.Set sd:0xD8001010 %LE %Long 0x80000008
Data.Set sd:0x10027828 %LE %Long 0x55555555
Data.Set sd:0x10027830 %LE %Long 0x55555555
Data.Set sd:0x10027834 %LE %Long 0x55555555
Data.Set sd:0x10027838 %LE %Long 0x00005005
Data.Set sd:0x1002783C %LE %Long 0x15555555
Data.Set sd:0xD8001010 %LE %Long 0x80000004
Data.Set sd:0xD8001004 %LE %Long 0x00795429
;Data.Set sd:0xD8001004 %le %long 0x0076eb3a
Data.Set sd:0xD8001000 %LE %Long 0x92100000
Data.Set sd:0xA0000F00 %LE %Long 0x12344321
Data.Set sd:0xD8001000 %LE %Long 0xA2100000
Data.Set sd:0xA0000F00 %LE %Long 0x12344321
Data.Set sd:0xA0000F00 %LE %Long 0x12344321
Data.Set sd:0xD8001000 %LE %Long 0xB2100000
Data.Set sd:0xA0000033 %LE %Byte 0xda
Data.Set sd:0xA1000000 %LE %Byte 0xff
Data.Set sd:0xD8001000 %LE %Long 0x82128485

RETURN