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machineyosemite: implement RAM modules.

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This commit is contained in:
Maxim Poliakovski 2023-02-08 23:26:40 +01:00
parent 597c077b19
commit fdf0ebbf6c
1 changed files with 26 additions and 4 deletions
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30
machines/machineyosemite.cpp
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@ -24,9 +24,23 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <cpu/ppc/ppcemu.h>
#include <devices/common/pci/dec21154.h>
#include <devices/memctrl/mpc106.h>
#include <devices/memctrl/spdram.h>
#include <machines/machinefactory.h>
#include <machines/machineproperties.h>
static void setup_ram_slot(std::string name, int i2c_addr, int capacity_megs) {
if (!capacity_megs)
return;
gMachineObj->add_device(name, std::unique_ptr<SpdSdram168>(new SpdSdram168(i2c_addr)));
SpdSdram168* ram_dimm = dynamic_cast<SpdSdram168*>(gMachineObj->get_comp_by_name(name));
ram_dimm->set_capacity(capacity_megs);
// register RAM DIMM with the I2C bus
I2CBus* i2c_bus = dynamic_cast<I2CBus*>(gMachineObj->get_comp_by_type(HWCompType::I2C_HOST));
i2c_bus->register_device(i2c_addr, ram_dimm);
}
int initialize_yosemite(std::string& id)
{
LOG_F(INFO, "Building machine Yosemite...");
@ -38,11 +52,11 @@ int initialize_yosemite(std::string& id)
DecPciBridge *sec_bridge = dynamic_cast<DecPciBridge*>(gMachineObj->get_comp_by_name("Dec21154"));
// connect PCI devices
grackle_obj->pci_register_device(
13, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("Dec21154")));
grackle_obj->pci_register_device(DEV_FUN(13,0),
dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("Dec21154")));
sec_bridge->pci_register_device(
5, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("Heathrow")));
sec_bridge->pci_register_device(DEV_FUN(5,0),
dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("Heathrow")));
// allocate ROM region
if (!grackle_obj->add_rom_region(0xFFF00000, 0x100000)) {
@ -50,6 +64,12 @@ int initialize_yosemite(std::string& id)
return -1;
}
// configure RAM slots
setup_ram_slot("RAM_DIMM_1", 0x50, GET_INT_PROP("rambank1_size"));
setup_ram_slot("RAM_DIMM_2", 0x51, GET_INT_PROP("rambank2_size"));
setup_ram_slot("RAM_DIMM_3", 0x52, GET_INT_PROP("rambank3_size"));
setup_ram_slot("RAM_DIMM_4", 0x53, GET_INT_PROP("rambank4_size"));
// configure CPU clocks
uint64_t bus_freq = 66820000ULL;
uint64_t timebase_freq = bus_freq / 4;
@ -70,6 +90,8 @@ static const PropMap yosemite_settings = {
new IntProperty( 0, vector<uint32_t>({0, 8, 16, 32, 64, 128, 256}))},
{"rambank3_size",
new IntProperty( 0, vector<uint32_t>({0, 8, 16, 32, 64, 128, 256}))},
{"rambank4_size",
new IntProperty( 0, vector<uint32_t>({0, 8, 16, 32, 64, 128, 256}))},
{"emmo",
new BinProperty(0)},
};