detecttarget.cmm

QUALCOMM JNAND DRIVER

;****************************************************************************
;**           detectTarget.CMM                                             **
;**           This script the target configuration                         **
;**           Pass in &TARGET_TYPE                                         **
;**                                                                        **
;**           Changes:                                                     **
;**           05-12-03   MSM6250 changes
;**           06-07-02   First version                                     **
;**           09-25-02   Various changes                                   **
;****************************************************************************


; The logic goes like this;
;  Assume this is a surf target
;  get the boot-mode pin settings and the MSM ID
;      Boot Mode tells whether to load code into NOR/PSRAM/SRAM or SDRAM (for SURF)
;      MSM ID tells whether the target is a MSM6100 or MSM6300 target.
;
local &msmId

;
;
IF STRING.SCAN("&TARGET_TYPE","MASTODON_SURF",0)>-1
  (
  ;
  ; If the target has dip and rotary switch settings, read them
  gosub GetSURFConfig
  )
ELSE IF STRING.SCAN("&TARGET_TYPE","FFA",0)>-1
  (
  ; found an FFA -- known to be NAND/16-bit SDRAM
  &BOOT_MODE="NAND"
  &SHADOW_MODE=0x0
  )
ELSE
  (
  print "DetectSURFConfig: Please identify/implement the target type &TARGET_TYPE"
  ; implement different target types here, or fix the name used
  )

;;-------------------------------------------------------------------------
;; TODO : Read HW_REVISION number here
;;-------------------------------------------------------------------------
; now find MSM type to know what type of MSM this is
;&msmId=data.long(RD:&HW_REVISION_NUMBER)
;IF &msmId==&HW_REVISION_NUMBER_MSM6250
;  (
    &TARGET_TYPE="&TARGET_TYPE&MSM6250"
    ; configure the JTAG clock
    SYStem.JtagClock RTCK
;  )
;ELSE
;  (
;    print "DetectTarget:ASIC MSM ID not recognized"
;  )

  print "  &TARGET_TYPE"
  print "  Boot mode &BOOT_MODE"

ENDDO





;;-------------------------------------------------------------------
;
; Read DIP, Rotary, etc switches from SURF CPLDs
;
GetSURFConfig:
  local &ConfigRegister &bootmodesw

  ; find the value of BOOT_MODE
  ; Bit 15 set to 1 signifies NAND and Bit 14 set to 1 signifies NOR
  &ConfigRegister=data.word(RD:&SURF_CONFIG_REGISTER3)
  &bootmodesw=&ConfigRegister&0x8000

  IF &bootmodesw==0x8000
  (
    &BOOT_MODE="NAND"
  )
  ELSE
  (
    &BOOT_MODE="NOR"
  )

RETURN