diff options
Diffstat (limited to 'src/devices/machine/sis7001_usb.cpp')
-rw-r--r-- | src/devices/machine/sis7001_usb.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/devices/machine/sis7001_usb.cpp b/src/devices/machine/sis7001_usb.cpp new file mode 100644 index 00000000000..7703c777888 --- /dev/null +++ b/src/devices/machine/sis7001_usb.cpp @@ -0,0 +1,93 @@ +// license: BSD-3-Clause +// copyright-holders: Angelo Salese +/************************************************************************************************** + + SiS 7001 USB Host controller + + TODO: + - Stub interface, to be improved; + - PCI values omitted from docs, assumes same as OpenHCI; + +**************************************************************************************************/ + +#include "emu.h" +#include "sis7001_usb.h" + +#define LOG_IO (1U << 1) // log PCI register accesses +#define LOG_MAP (1U << 2) // log full remaps + +#define VERBOSE (LOG_GENERAL | LOG_IO | LOG_MAP) +//#define LOG_OUTPUT_FUNC osd_printf_warning + +#include "logmacro.h" + +#define LOGIO(...) LOGMASKED(LOG_IO, __VA_ARGS__) +#define LOGMAP(...) LOGMASKED(LOG_MAP, __VA_ARGS__) + +DEFINE_DEVICE_TYPE(SIS7001_USB, sis7001_usb_device, "sis7001_usb", "SiS 7001 USB Host Controller") + +sis7001_usb_device::sis7001_usb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : pci_device(mconfig, SIS7001_USB, tag, owner, clock) + +{ + +} + +void sis7001_usb_device::device_add_mconfig(machine_config &config) +{ + +} + +void sis7001_usb_device::config_map(address_map &map) +{ + pci_device::config_map(map); +} + +void sis7001_usb_device::io_map(address_map &map) +{ + // operational mode + 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, writeable except for 0x4ff + map(0x048, 0x04b).lr32(NAME([this]() { return 0x01000000 | m_downstream_ports; })); + // ... +// map(0x05c, 0x05c) last item for function 2, missing on function 3 + + // legacy support mode (8-bit each) +// map(0x100, 0x100) control, bit 0 enables emulation mode +// map(0x104, 0x104) input +// map(0x108, 0x108) output +// map(0x10c, 0x10f) status +} + +void sis7001_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 sis7001_usb_device::device_start() +{ + pci_device::device_start(); + + add_map(512, M_MEM, FUNC(sis7001_usb_device::io_map)); + + // INTD# + intr_pin = 4; +} + + +void sis7001_usb_device::device_reset() +{ + pci_device::device_reset(); + + command = 0x0000; + status = 0x0000; + m_HcFmInterval = 0; +} |