tcl/target/imx.cfg

   1 # utility fn's for Freescale i.MX series
   2
   3 global TARGETNAME
   4 set TARGETNAME $_TARGETNAME
   5
   6 # rewrite commands of the form below to arm11 mcr...
   7 #       Data.Set c15:0x042f %long 0x40000015
   8 proc setc15 {regs value} {
   9         global TARGETNAME
  10
  11         echo [format "set p15 0x%04x, 0x%08x" $regs $value]
  12
  13         arm mcr 15 [expr ($regs>>12)&0x7] [expr ($regs>>0)&0xf] [expr ($regs>>4)&0xf] [expr ($regs>>8)&0x7] $value
  14 }
  15
  16
  17 proc imx3x_reset {} {
  18         # this reset script comes from the Freescale PDK
  19         #
  20         # http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=IMX35PDK
  21
  22         echo "Target Setup: initialize DRAM controller and peripherals"
  23
  24 #       Data.Set c15:0x01 %long 0x00050078
  25         setc15 0x01 0x00050078
  26
  27         echo "configuring CP15 for enabling the peripheral bus"
  28 #       Data.Set c15:0x042f %long 0x40000015
  29         setc15 0x042f 0x40000015
  30 }