41 lines
1.1 KiB
Tcl
41 lines
1.1 KiB
Tcl
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# Specific init scripts for ST SPEAr310 system on chip
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# http://www.st.com/spear
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#
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# Date: 2010-09-23
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# Author: Antonio Borneo <borneo.antonio@gmail.com>
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proc sp310_init {} {
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mww 0xfca80034 0x0000ffff # enable all RAS clocks
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mww 0xfca80040 0x00000000 # remove all RAS resets
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mww 0xb4000008 0x00002ff4 # RAS function enable
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mww 0xfca8013c 0x2f7bc210 # plgpio_pad_drv
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mww 0xfca80140 0x017bdef6
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}
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proc sp310_emi_init {} {
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# set EMI pad strength
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mmw 0xfca80134 0x0e000000 0x00000000
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mmw 0xfca80138 0x0e739ce7 0x00000000
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mmw 0xfca8013c 0x00039ce7 0x00000000
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# set safe EMI timing as in BootROM
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#mww 0x4f000000 0x0000000f # tAP_0_reg
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#mww 0x4f000004 0x00000000 # tSDP_0_reg
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#mww 0x4f000008 0x000000ff # tDPw_0_reg
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#mww 0x4f00000c 0x00000111 # tDPr_0_reg
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#mww 0x4f000010 0x00000002 # tDCS_0_reg
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# set fast EMI timing as in Linux
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mww 0x4f000000 0x00000010 # tAP_0_reg
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mww 0x4f000004 0x00000005 # tSDP_0_reg
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mww 0x4f000008 0x0000000a # tDPw_0_reg
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mww 0x4f00000c 0x0000000a # tDPr_0_reg
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mww 0x4f000010 0x00000005 # tDCS_0_re
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# 32bit wide, 8/16/32bit access
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mww 0x4f000014 0x0000000e # control_0_reg
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mww 0x4f000094 0x0000003f # ack_reg
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}
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