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gatemate: enable only used banks, including CFG one

This commit is contained in:
Miodrag Milanovic 2025-05-24 14:56:07 +02:00
parent 9cfc7ee263
commit e7f52d1b6b
1 changed files with 12 additions and 8 deletions
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20
himbaechel/uarch/gatemate/bitstream.cc
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@ -154,14 +154,7 @@ struct BitstreamBackend
{ {
ChipConfig cc; ChipConfig cc;
cc.chip_name = device; cc.chip_name = device;
cc.configs[0].add_word("GPIO.BANK_E1", int_to_bitvector(1, 1)); int bank[9] = { 0 };
cc.configs[0].add_word("GPIO.BANK_E2", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_N1", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_N2", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_S1", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_S2", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_W1", int_to_bitvector(1, 1));
cc.configs[0].add_word("GPIO.BANK_W2", int_to_bitvector(1, 1));
for (auto &cell : ctx->cells) { for (auto &cell : ctx->cells) {
CfgLoc loc = get_config_loc(cell.second.get()->bel.tile); CfgLoc loc = get_config_loc(cell.second.get()->bel.tile);
auto &params = cell.second.get()->params; auto &params = cell.second.get()->params;
@ -175,6 +168,7 @@ struct BitstreamBackend
case id_CC_LVDS_OBUF.index: case id_CC_LVDS_OBUF.index:
case id_CC_LVDS_IOBUF.index: case id_CC_LVDS_IOBUF.index:
for (auto &p : params) { for (auto &p : params) {
bank[ctx->get_bel_package_pin(cell.second.get()->bel)->pad_bank] = 1;
cc.tiles[loc].add_word(stringf("GPIO.%s", p.first.c_str(ctx)), p.second.as_bits()); cc.tiles[loc].add_word(stringf("GPIO.%s", p.first.c_str(ctx)), p.second.as_bits());
} }
break; break;
@ -230,6 +224,16 @@ struct BitstreamBackend
} }
} }
cc.configs[0].add_word("GPIO.BANK_N1", int_to_bitvector(bank[0], 1));
cc.configs[0].add_word("GPIO.BANK_N2", int_to_bitvector(bank[1], 1));
cc.configs[0].add_word("GPIO.BANK_E1", int_to_bitvector(bank[2], 1));
cc.configs[0].add_word("GPIO.BANK_E2", int_to_bitvector(bank[3], 1));
cc.configs[0].add_word("GPIO.BANK_W1", int_to_bitvector(bank[4], 1));
cc.configs[0].add_word("GPIO.BANK_W2", int_to_bitvector(bank[5], 1));
cc.configs[0].add_word("GPIO.BANK_S1", int_to_bitvector(bank[6], 1));
cc.configs[0].add_word("GPIO.BANK_S2", int_to_bitvector(bank[7], 1));
cc.configs[0].add_word("GPIO.BANK_CFG", int_to_bitvector(bank[8], 1));
for (auto &net : ctx->nets) { for (auto &net : ctx->nets) {
NetInfo *ni = net.second.get(); NetInfo *ni = net.second.get();
if (ni->wires.empty()) if (ni->wires.empty())