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dingusppc
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grandcentral: connect MESH HW.

This commit is contained in:
Maxim Poliakovski 2023-12-11 12:57:36 +01:00
parent 046452fc56
commit b3e3b73159
2 changed files with 23 additions and 1 deletions
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20
devices/ioctrl/grandcentral.cpp
View File

@ -67,6 +67,16 @@ GrandCentral::GrandCentral() : PCIDevice("mac-io/grandcentral"), InterruptCtrl()
// connect serial HW
this->escc = dynamic_cast<EsccController*>(gMachineObj->get_comp_by_name("Escc"));
// connect MESH (internal SCSI)
this->mesh = dynamic_cast<MeshController*>(gMachineObj->get_comp_by_name("MeshTnt"));
if (this->mesh == nullptr) {
LOG_F(WARNING, "%s: Mesh not found, install MeshStub", this->name.c_str());
} else {
this->mesh_dma = std::unique_ptr<DMAChannel> (new DMAChannel());
this->mesh_dma->register_dma_int(this, this->register_dma_int(IntSrc::DMA_SCSI_MESH));
this->mesh->set_dma_channel(this->mesh_dma.get());
}
// connect SCSI HW
this->scsi_0 = dynamic_cast<Sc53C94*>(gMachineObj->get_comp_by_name("Sc53C94"));
@ -119,6 +129,8 @@ uint32_t GrandCentral::read(uint32_t rgn_start, uint32_t offset, int size)
case 6:
case 7: // VIA-CUDA
return this->viacuda->read((offset >> 9) & 0xF);
case 8: // MESH SCSI
return this->mesh->read((offset >> 4) & 0xF);
case 0xA: // IOBus dev #1
case 0xB: // IOBus dev #2
case 0xC: // IOBus dev #3
@ -145,6 +157,8 @@ uint32_t GrandCentral::read(uint32_t rgn_start, uint32_t offset, int size)
return this->floppy_dma->reg_read(offset & 0xFF, size);
case 8:
return this->snd_out_dma->reg_read(offset & 0xFF, size);
case 10:
return this->mesh_dma->reg_read(offset & 0xFF, size);
default:
LOG_F(WARNING, "GC: unimplemented DMA register at 0x%X",
this->base_addr + offset);
@ -199,6 +213,9 @@ void GrandCentral::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
case 7: // VIA-CUDA
this->viacuda->write((offset >> 9) & 0xF, value);
break;
case 8: // MESH SCSI
this->mesh->write((offset >> 4) & 0xF, value);
break;
case 0xA: // IOBus dev #1
case 0xB: // IOBus dev #2
case 0xC: // IOBus dev #3
@ -240,6 +257,9 @@ void GrandCentral::write(uint32_t rgn_start, uint32_t offset, uint32_t value, in
case 8:
this->snd_out_dma->reg_write(offset & 0xFF, value, size);
break;
case 10:
this->mesh_dma->reg_write(offset & 0xFF, value, size);
break;
default:
LOG_F(WARNING, "GC: unimplemented DMA register at 0x%X",
this->base_addr + offset);

4
devices/ioctrl/macio.h
View File

@ -140,9 +140,11 @@ private:
MaceController* mace;
ViaCuda* viacuda; // VIA cell with Cuda MCU attached to it
EsccController* escc; // ESCC serial controller
Sc53C94* scsi_0; // external SCSI
MeshController* mesh; // internal SCSI (fast)
Sc53C94* scsi_0; // external SCSI (slow)
Swim3::Swim3Ctrl* swim3; // floppy disk controller
std::unique_ptr<DMAChannel> mesh_dma;
std::unique_ptr<DMAChannel> snd_out_dma;
std::unique_ptr<DMAChannel> floppy_dma;
};