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platforms/zcu104/ddram: add PRE_EMPHASIS/EQUALIZATION settings

This commit is contained in:
Florent Kermarrec 2020-02-27 10:43:01 +01:00
parent d87b8b3c66
commit 58f588f69e
1 changed files with 18 additions and 6 deletions
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24
litex_boards/platforms/zcu104.py
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@ -64,11 +64,17 @@ _io = [
"AG8 AF8 AG10 AG11 AH13 AG13 AJ11 AH11",
"AK9 AJ9 AK10 AJ10 AL12 AK12 AL10 AL11",
"AM8 AM9 AM10 AM11 AP11 AN11 AP9 AP10"),
IOStandard("POD12_DCI")),
IOStandard("POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_p", Pins("AC12 AG9 AK8 AN9"),
IOStandard("DIFF_POD12_DCI")),
IOStandard("DIFF_POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_n", Pins("AD12 AH9 AL8 AN8"),
IOStandard("DIFF_POD12_DCI")),
IOStandard("DIFF_POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("clk_p", Pins("AF18"), IOStandard("DIFF_SSTL12_DCI")), # also AJ16 for larger SODIMMs
Subsignal("clk_n", Pins("AG18"), IOStandard("DIFF_SSTL12_DCI")), # also AJ15 for larger SODIMMs
Subsignal("cke", Pins("AD17"), IOStandard("SSTL12_DCI")), # also AM15 for larger SODIMMs
@ -102,11 +108,17 @@ _io = [
"AG8 AF8 AG10 AG11 AH13 AG13 AJ11 AH11",
"AK9 AJ9 AK10 AJ10 AL12 AK12 AL10 AL11",
"AM8 AM9 AM10 AM11 AP11 AN11 AP9 AP10"),
IOStandard("POD12_DCI")),
IOStandard("POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_p", Pins("AF23 AA18 AK22 AM21 AC12 AG9 AK8 AN9"),
IOStandard("DIFF_POD12_DCI")),
IOStandard("DIFF_POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_n", Pins("AG23 AB18 AK23 AN21 AD12 AH9 AL8 AN8"),
IOStandard("DIFF_POD12_DCI")),
IOStandard("DIFF_POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("clk_p", Pins("AF18"), IOStandard("DIFF_SSTL12_DCI")), # also AJ16 for larger SODIMMs
Subsignal("clk_n", Pins("AG18"), IOStandard("DIFF_SSTL12_DCI")), # also AJ15 for larger SODIMMs
Subsignal("cke", Pins("AD17"), IOStandard("SSTL12_DCI")), # also AM15 for larger SODIMMs