// license: BSD-3-Clause // copyright-holders: Angelo Salese /************************************************************************************************** ZFMicro USB Host controller TODO: - Stub interface, to be merged with pci-usb; - PCI values omitted from docs, assumes same as OpenHCI; **************************************************************************************************/ #include "emu.h" #include "zfmicro_usb.h" #define VERBOSE (LOG_GENERAL) //#define LOG_OUTPUT_FUNC osd_printf_warning #include "logmacro.h" DEFINE_DEVICE_TYPE(ZFMICRO_USB, zfmicro_usb_device, "zfmicro_usb", "ZFMicro PCIUSB Host Controller") zfmicro_usb_device::zfmicro_usb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : pci_device(mconfig, ZFMICRO_USB, tag, owner, clock) { // Compaq vendor set_ids(0x0e11a0f8, 0x00, 0x0c0310, 0x00); // TODO: should really read from a std::list interface m_downstream_ports = 2; } void zfmicro_usb_device::config_map(address_map &map) { pci_device::config_map(map); // map(0x40, 0x43) ASIC Test Mode Enable // map(0x44, 0x44) ASIC Operational Mode Enable // ---- ---x Data Buffer Region 16 // ---- ---1 16 bytes data buffer // ---- ---0 32 bytes } void zfmicro_usb_device::map(address_map &map) { // HcRevision: operational mode // 1 ---- ---- Legacy PS/2 present // - 0001 0000 OpenHCI v1.0 map(0x000, 0x003).lr32(NAME([]() { return 0x00000110; })); // ... // HcFmInterval (Windows OSes fails if this isn't r/w) map(0x034, 0x037).lrw32( NAME([this]() { return m_HcFmInterval; } ), NAME([this](offs_t offset, u32 data, u32 mem_mask) { COMBINE_DATA(&m_HcFmInterval); LOG("Write HcFmInterval %08x & %08x\n", data, mem_mask); }) ); // ... // HcRhDescriptorA // 0000 0001 ---- ---- ---- ---- ---- ---- POTPGT (unknown for this, assume 2 ms) // ---- ---- xxxx xxxx xxxx x-xx ---- ---- (writeable bits by host controller driver) // ---- ---- ---- ---- ---- -0-- ---- ---- DT DeviceType (0) not a compound device // ---- ---- ---- ---- ---- ---- xxxx xxxx NDP NumberDownstreamPorts (15 max) map(0x048, 0x04b).lr32(NAME([this]() { return 0x01000000 | m_downstream_ports; })); // ... // legacy support mode (8-bit each) // map(0x100, 0x100) HceControl, bit 0 enables emulation mode // map(0x104, 0x104) HceInput // map(0x108, 0x108) HceOutput // map(0x10c, 0x10f) HceStatus } void zfmicro_usb_device::map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) { // TODO: overrides I/O ports $0060-$0064 (emulation mode) } void zfmicro_usb_device::device_start() { pci_device::device_start(); add_map(4096, M_MEM, FUNC(zfmicro_usb_device::map)); // INTA# intr_pin = 1; } void zfmicro_usb_device::device_reset() { pci_device::device_reset(); command = 0x0000; // DEVSEL# medium timing // Fast Back-to-Back Capable status = 0x0280; // unverified default, assume same as OpenHCI specs m_HcFmInterval = 0x2edf; }