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 0xfca80050 0x00000001       ;# Enable clk mem port 1
  14
  15         mww 0xfca8013c 0x2f7bc210       ;# plgpio_pad_drv
  16         mww 0xfca80140 0x017bdef6
  17 }
  18
  19 proc sp310_emi_init {} {
  20         # set EMI pad strength
  21         mmw 0xfca80134 0x0e000000 0x00000000
  22         mmw 0xfca80138 0x0e739ce7 0x00000000
  23         mmw 0xfca8013c 0x00039ce7 0x00000000
  24
  25         # set safe EMI timing as in BootROM
  26         #mww 0x4f000000 0x0000000f      ;# tAP_0_reg
  27         #mww 0x4f000004 0x00000000      ;# tSDP_0_reg
  28         #mww 0x4f000008 0x000000ff      ;# tDPw_0_reg
  29         #mww 0x4f00000c 0x00000111      ;# tDPr_0_reg
  30         #mww 0x4f000010 0x00000002      ;# tDCS_0_reg
  31
  32         # set fast EMI timing as in Linux
  33         mww 0x4f000000 0x00000010       ;# tAP_0_reg
  34         mww 0x4f000004 0x00000005       ;# tSDP_0_reg
  35         mww 0x4f000008 0x0000000a       ;# tDPw_0_reg
  36         mww 0x4f00000c 0x0000000a       ;# tDPr_0_reg
  37         mww 0x4f000010 0x00000005       ;# tDCS_0_re
  38
  39         # 32bit wide, 8/16/32bit access
  40         mww 0x4f000014 0x0000000e       ;# control_0_reg
  41         mww 0x4f000094 0x0000003f       ;# ack_reg
  42 }