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add untested bscan order code to xc2000, virtex, virtex2, spartan6.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| use std::collections::BTreeMap; | ||
|
|
||
| use prjcombine_int::grid::{EdgeIoCoord, TileIobId}; | ||
| use prjcombine_types::bscan::{BScanBuilder, BScanPin}; | ||
| use unnamed_entity::EntityId; | ||
|
|
||
| use crate::{ | ||
| bond::CfgPin, | ||
| grid::{ColumnIoKind, Grid}, | ||
| }; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct BScan { | ||
| pub bits: usize, | ||
| pub io: BTreeMap<EdgeIoCoord, BScanPin>, | ||
| pub cfg: BTreeMap<CfgPin, BScanPin>, | ||
| } | ||
|
|
||
| impl Grid { | ||
| pub fn get_bscan(&self) -> BScan { | ||
| let mut io = BTreeMap::new(); | ||
| let mut cfg = BTreeMap::new(); | ||
| let mut builder = BScanBuilder::new(); | ||
| // TIO | ||
| for (col, &cd) in self.columns.iter().rev() { | ||
| if cd.tio == ColumnIoKind::None { | ||
| continue; | ||
| } | ||
| for (iob, unused) in [ | ||
| // inner | ||
| (0, cd.tio == ColumnIoKind::Outer), | ||
| (1, cd.tio == ColumnIoKind::Outer), | ||
| // outer | ||
| (2, cd.tio == ColumnIoKind::Inner), | ||
| (3, cd.tio == ColumnIoKind::Inner), | ||
| ] { | ||
| if !unused { | ||
| let crd = EdgeIoCoord::T(col, TileIobId::from_idx(iob)); | ||
| io.insert(crd, builder.get_toi()); | ||
| } | ||
| } | ||
| } | ||
| // LIO | ||
| for (row, &rd) in self.rows.iter().rev() { | ||
| if rd.lio { | ||
| for iob in [0, 1] { | ||
| let crd = EdgeIoCoord::L(row, TileIobId::from_idx(iob)); | ||
| io.insert(crd, builder.get_toi()); | ||
| } | ||
| } | ||
| } | ||
| cfg.insert(CfgPin::ProgB, builder.get_toi()); | ||
| // BIO | ||
| for (col, &cd) in &self.columns { | ||
| if cd.bio == ColumnIoKind::None { | ||
| continue; | ||
| } | ||
| for (iob, unused) in [ | ||
| // inner | ||
| (0, cd.bio == ColumnIoKind::Outer), | ||
| (1, cd.bio == ColumnIoKind::Outer), | ||
| // outer | ||
| (2, cd.bio == ColumnIoKind::Inner), | ||
| (3, cd.bio == ColumnIoKind::Inner), | ||
| ] { | ||
| if !unused { | ||
| let crd = EdgeIoCoord::B(col, TileIobId::from_idx(iob)); | ||
| io.insert(crd, builder.get_toi()); | ||
| } | ||
| } | ||
| } | ||
| cfg.insert(CfgPin::Done, builder.get_toi()); | ||
| cfg.insert(CfgPin::CmpCsB, builder.get_toi()); | ||
| cfg.insert(CfgPin::Suspend, builder.get_toi()); | ||
| // RIO | ||
| for (row, &rd) in &self.rows { | ||
| if rd.rio { | ||
| for iob in [0, 1] { | ||
| let crd = EdgeIoCoord::R(row, TileIobId::from_idx(iob)); | ||
| io.insert(crd, builder.get_toi()); | ||
| } | ||
| } | ||
| } | ||
| BScan { | ||
| bits: builder.bits, | ||
| io, | ||
| cfg, | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| pub mod bond; | ||
| pub mod bscan; | ||
| pub mod db; | ||
| mod expand; | ||
| pub mod expanded; | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| use serde::{Deserialize, Serialize}; | ||
|
|
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| #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)] | ||
| pub enum BScanPin { | ||
| Input(usize), | ||
| Output(usize), | ||
| OutputTristate(usize, usize), | ||
| OutputEnable(usize, usize), | ||
| InputOutputTristate(usize, usize, usize), | ||
| InputOutputEnable(usize, usize, usize), | ||
| } | ||
|
|
||
| #[derive(Debug, Default)] | ||
| pub struct BScanBuilder { | ||
| pub bits: usize, | ||
| } | ||
|
|
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| impl BScanBuilder { | ||
| pub fn new() -> Self { | ||
| Self { bits: 0 } | ||
| } | ||
|
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| pub fn get_toi(&mut self) -> BScanPin { | ||
| let res = BScanPin::InputOutputTristate(self.bits + 2, self.bits + 1, self.bits); | ||
| self.bits += 3; | ||
| res | ||
| } | ||
|
|
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| pub fn get_to(&mut self) -> BScanPin { | ||
| let res = BScanPin::OutputTristate(self.bits + 1, self.bits); | ||
| self.bits += 2; | ||
| res | ||
| } | ||
|
|
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| pub fn get_o(&mut self) -> BScanPin { | ||
| let res = BScanPin::Output(self.bits); | ||
| self.bits += 1; | ||
| res | ||
| } | ||
|
|
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| pub fn get_i(&mut self) -> BScanPin { | ||
| let res = BScanPin::Input(self.bits); | ||
| self.bits += 1; | ||
| res | ||
| } | ||
| } |
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