// license:BSD-3-Clause // copyright-holders: R. Belmont /* OPTi 82C861 "FireLink" USB 1.1 OHCI controller Skeleton by R. Belmont */ #include "emu.h" #include "opti82c861.h" #define LOG_REGISTERS (1U << 1) #define VERBOSE (LOG_GENERAL) #include "logmacro.h" DEFINE_DEVICE_TYPE(OPTI_82C861, opti_82c861_device, "opti82c861", "OPTi 82C861 \"FireLink\" USB OHCI controller") opti_82c861_device::opti_82c861_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : pci_card_device(mconfig, type, tag, owner, clock) { } opti_82c861_device::opti_82c861_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : opti_82c861_device(mconfig, OPTI_82C861, tag, owner, clock) { } void opti_82c861_device::mem_map(address_map& map) { // HcRevision: OpenHCI v1.0 with legacy support map(0x000, 0x003).lr32(NAME([]() { return 0x00000110; })); map(0x048, 0x04b).lrw32( NAME([this] () { // 2 downstream ports (always?) return (m_HcRhDescriptorA & 0xff001b00) | 0x02; }), NAME([this] (offs_t offset, u32 data, u32 mem_mask) { COMBINE_DATA(&m_HcRhDescriptorA); if (ACCESSING_BITS_24_31) LOG("HcRhDescriptorA: set Power-On to Power-Good Time %d msec\n", (m_HcRhDescriptorA >> 24) * 2); if (ACCESSING_BITS_8_15) LOG("HcRhDescriptorA: set status %02x\n", (m_HcRhDescriptorA & 0x1b00) >> 8); }) ); } void opti_82c861_device::config_map(address_map &map) { pci_card_device::config_map(map); // map(0x4e, 0x4e) i2c Control Register // map(0x50, 0x50) PCI Host Feature Control Register // map(0x51, 0x51) Interrupt Assignment Register // map(0x52, 0x52) Strap Option Enable // map(0x54, 0x57) IRQ Driveback Address Register // map(0x6c, 0x6f) Test Mode Enable Register } void opti_82c861_device::device_start() { pci_card_device::device_start(); set_ids(0x1045c861, 0x10, 0x0c0310, 0); revision = 0x10; add_map(0x1000, M_MEM, FUNC(opti_82c861_device::mem_map)); // 4KiB memory map command = 0; // fast back-to-back, medium DEVSEL# status = 0x0280; intr_pin = 1; intr_line = 0; } void opti_82c861_device::device_reset() { pci_card_device::device_reset(); m_HcRhDescriptorA = 0x01000000; } void opti_82c861_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) { }