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ecp5: Add DCC Bels, fix global router post-rebase

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Signed-off-by: David Shah <davey1576@gmail.com>
This commit is contained in:
David Shah 2018-08-06 12:24:41 +02:00
parent bc10a5646d
commit 97b12fa741
3 changed files with 12 additions and 7 deletions
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1
ecp5/arch.cc
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@ -43,6 +43,7 @@ static std::tuple<int, int, std::string> split_identifier_name(const std::string
// -----------------------------------------------------------------------
void IdString::initialize_arch(const BaseCtx *ctx)
{
#define X(t) initialize_add(ctx, #t, ID_##t);

4
ecp5/constids.inc
View File

@ -47,6 +47,10 @@ X(B)
X(TRELLIS_SLICE)
X(TRELLIS_IO)
X(DCCA)
X(CLKMUX)
X(LSRMUX)
X(SRMODE)
X(CLKI)
X(CLKO)

14
ecp5/globals.cc
View File

@ -97,7 +97,7 @@ class Ecp5GlobalRouter
return *(ctx->getPipsUphill(tap_wire).begin());
}
void route_logic_tile_global(IdString net, int global_index, PortRef user)
void route_logic_tile_global(NetInfo *net, int global_index, PortRef user)
{
WireId userWire = ctx->getBelPinWire(user.cell->bel, ctx->portPinFromId(user.port));
WireId globalWire;
@ -147,8 +147,8 @@ class Ecp5GlobalRouter
if (!already_routed) {
ctx->bindWire(cursor, net, STRENGTH_LOCKED);
PipId tap_pip = find_tap_pip(cursor);
IdString tap_net = ctx->getBoundPipNet(tap_pip);
if (tap_net == IdString()) {
NetInfo *tap_net = ctx->getBoundPipNet(tap_pip);
if (tap_net == nullptr) {
ctx->bindPip(tap_pip, net, STRENGTH_LOCKED);
// TODO: SPINE
} else {
@ -173,7 +173,7 @@ class Ecp5GlobalRouter
return ctx->getWireByLocAndBasename(Location(0, 0), get_quad_name(quad) + "PCLK" + std::to_string(network));
}
void simple_router(IdString net, WireId src, WireId dst)
void simple_router(NetInfo *net, WireId src, WireId dst)
{
std::queue<WireId> visit;
std::unordered_map<WireId, PipId> backtrace;
@ -186,10 +186,10 @@ class Ecp5GlobalRouter
}
cursor = visit.back();
visit.pop();
IdString bound = ctx->getBoundWireNet(cursor);
NetInfo *bound = ctx->getBoundWireNet(cursor);
if (bound == net) {
break;
} else if (bound != IdString()) {
} else if (bound != nullptr) {
continue;
}
if (cursor == dst)
@ -222,7 +222,7 @@ class Ecp5GlobalRouter
}
for (int quad = QUAD_UL; quad < QUAD_LR + 1; quad++) {
WireId glb_dst = get_global_wire(GlobalQuadrant(quad), network);
simple_router(net->name, glb_src, glb_dst);
simple_router(net, glb_src, glb_dst);
}
if (false) {
non_dedicated: