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DDR fix by xiwang

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This commit is contained in:
Pepijn de Vos 2024-10-02 11:30:51 +02:00
parent 31a7e22aa6
commit bcab74cc14
2 changed files with 16 additions and 2 deletions
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14
himbaechel/uarch/gowin/gowin_utils.h
View File

@ -1,6 +1,7 @@
#ifndef GOWIN_UTILS_H
#define GOWIN_UTILS_H
#include "design_utils.h"
#include "idstringlist.h"
#include "nextpnr_namespaces.h"
#include "nextpnr_types.h"
@ -37,6 +38,19 @@ struct GowinUtils
BelId get_dcs_bel(IdString spine_name);
BelId get_dhcen_bel(WireId hclkin_wire, IdString &side);
// ports
inline bool port_used(CellInfo *cell, IdString port_name)
{
if (!nextpnr_himbaechel::port_used(cell, port_name)) {
return false;
}
NetInfo *ni = cell->ports.at(port_name).net;
if (ni->driver.cell == nullptr) {
return false;
}
return ni->users.entries() != 0;
}
// BSRAM
bool has_SP32(void);
bool need_SP_fix(void);

4
himbaechel/uarch/gowin/pack.cc
View File

@ -454,7 +454,7 @@ struct GowinPacker
}
// if Q1 is connected then disconnect it too
if (port_used(&ci, tx_port)) {
if (gwu.port_used(&ci, tx_port)) {
NPNR_ASSERT(out_iob == net_only_drives(ctx, ci.ports.at(tx_port).net, is_iob, id_OEN, true));
nets_to_remove.push_back(ci.getPort(tx_port)->name);
out_iob->disconnectPort(id_OEN);
@ -3160,7 +3160,7 @@ struct GowinPacker
// add invertor
int lut_idx = 0;
auto add_inv = [&](IdString port, PortType port_type) {
if (!port_used(&ci, port)) {
if (!gwu.port_used(&ci, port)) {
return;
}