diff options
Diffstat (limited to 'tcl/chip/st/spear/spear310.tcl')
| -rw-r--r-- | tcl/chip/st/spear/spear310.tcl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tcl/chip/st/spear/spear310.tcl b/tcl/chip/st/spear/spear310.tcl new file mode 100644 index 00000000..b2c3676e --- /dev/null +++ b/tcl/chip/st/spear/spear310.tcl @@ -0,0 +1,40 @@ +# Specific init scripts for ST SPEAr310 system on chip +# http://www.st.com/spear +# +# Date: 2010-09-23 +# Author: Antonio Borneo <borneo.antonio@gmail.com> + + +proc sp310_init {} { + mww 0xfca80034 0x0000ffff # enable all RAS clocks + mww 0xfca80040 0x00000000 # remove all RAS resets + mww 0xb4000008 0x00002ff4 # RAS function enable + + mww 0xfca8013c 0x2f7bc210 # plgpio_pad_drv + mww 0xfca80140 0x017bdef6 +} + +proc sp310_emi_init {} { + # set EMI pad strength + mmw 0xfca80134 0x0e000000 0x00000000 + mmw 0xfca80138 0x0e739ce7 0x00000000 + mmw 0xfca8013c 0x00039ce7 0x00000000 + + # set safe EMI timing as in BootROM + #mww 0x4f000000 0x0000000f # tAP_0_reg + #mww 0x4f000004 0x00000000 # tSDP_0_reg + #mww 0x4f000008 0x000000ff # tDPw_0_reg + #mww 0x4f00000c 0x00000111 # tDPr_0_reg + #mww 0x4f000010 0x00000002 # tDCS_0_reg + + # set fast EMI timing as in Linux + mww 0x4f000000 0x00000010 # tAP_0_reg + mww 0x4f000004 0x00000005 # tSDP_0_reg + mww 0x4f000008 0x0000000a # tDPw_0_reg + mww 0x4f00000c 0x0000000a # tDPr_0_reg + mww 0x4f000010 0x00000005 # tDCS_0_re + + # 32bit wide, 8/16/32bit access + mww 0x4f000014 0x0000000e # control_0_reg + mww 0x4f000094 0x0000003f # ack_reg +} |