tcl/chip/st/spear/spear310.tcl

   1 # Specific init scripts for ST SPEAr310 system on chip
   2 # http://www.st.com/spear
   3 #
   4 # Date:      2010-09-23
   5 # Author:    Antonio Borneo <borneo.antonio@gmail.com>
   6
   7
   8 proc sp310_init {} {
   9         mww 0xfca80034 0x0000ffff       # enable all RAS clocks
  10         mww 0xfca80040 0x00000000       # remove all RAS resets
  11         mww 0xb4000008 0x00002ff4       # RAS function enable
  12
  13         mww 0xfca8013c 0x2f7bc210       # plgpio_pad_drv
  14         mww 0xfca80140 0x017bdef6
  15 }
  16
  17 proc sp310_emi_init {} {
  18         # set EMI pad strength
  19         mmw 0xfca80134 0x0e000000 0x00000000
  20         mmw 0xfca80138 0x0e739ce7 0x00000000
  21         mmw 0xfca8013c 0x00039ce7 0x00000000
  22
  23         # set safe EMI timing as in BootROM
  24         #mww 0x4f000000 0x0000000f      # tAP_0_reg
  25         #mww 0x4f000004 0x00000000      # tSDP_0_reg
  26         #mww 0x4f000008 0x000000ff      # tDPw_0_reg
  27         #mww 0x4f00000c 0x00000111      # tDPr_0_reg
  28         #mww 0x4f000010 0x00000002      # tDCS_0_reg
  29
  30         # set fast EMI timing as in Linux
  31         mww 0x4f000000 0x00000010       # tAP_0_reg
  32         mww 0x4f000004 0x00000005       # tSDP_0_reg
  33         mww 0x4f000008 0x0000000a       # tDPw_0_reg
  34         mww 0x4f00000c 0x0000000a       # tDPr_0_reg
  35         mww 0x4f000010 0x00000005       # tDCS_0_re
  36
  37         # 32bit wide, 8/16/32bit access
  38         mww 0x4f000014 0x0000000e       # control_0_reg
  39         mww 0x4f000094 0x0000003f       # ack_reg
  40 }