diff options
Diffstat (limited to 'src/devices/bus/pci/opti82c861.cpp')
-rw-r--r-- | src/devices/bus/pci/opti82c861.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/devices/bus/pci/opti82c861.cpp b/src/devices/bus/pci/opti82c861.cpp new file mode 100644 index 00000000000..fbbd52ca3b0 --- /dev/null +++ b/src/devices/bus/pci/opti82c861.cpp @@ -0,0 +1,81 @@ +// 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) +{ +} |