diff options
Diffstat (limited to 'src/devices/machine/i82371eb_usb.cpp')
-rw-r--r-- | src/devices/machine/i82371eb_usb.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/devices/machine/i82371eb_usb.cpp b/src/devices/machine/i82371eb_usb.cpp new file mode 100644 index 00000000000..4a3a74caadd --- /dev/null +++ b/src/devices/machine/i82371eb_usb.cpp @@ -0,0 +1,96 @@ +// license: BSD-3-Clause +// copyright-holders: Angelo Salese +/************************************************************************************************** + + PIIX4E USB interface + + TODO: + - Actual USB ports; + +**************************************************************************************************/ + +#include "emu.h" +#include "i82371eb_usb.h" + +#define LOG_IO (1U << 1) // log PCI register accesses +#define LOG_TODO (1U << 2) // log unimplemented registers +#define LOG_MAP (1U << 3) // log full remaps + +#define VERBOSE (LOG_GENERAL | LOG_IO | LOG_TODO | 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 LOGTODO(...) LOGMASKED(LOG_TODO, __VA_ARGS__) + +DEFINE_DEVICE_TYPE(I82371EB_USB, i82371eb_usb_device, "i82371eb_usb", "Intel 82371EB PIIX4E USB Host Controller") + +i82371eb_usb_device::i82371eb_usb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : pci_device(mconfig, I82371EB_USB, tag, owner, clock) + +{ + // 0x0c0300 - Serial Bus Controller, USB, UHCI Host + // rev PIIX4E A-0 / PIIX4M A-0 = 0x01 + set_ids(0x80867112, 0x01, 0x0c0300, 0x00); +} + +void i82371eb_usb_device::device_add_mconfig(machine_config &config) +{ + +} + +void i82371eb_usb_device::config_map(address_map &map) +{ + pci_device::config_map(map); + // 0x60 sbrnum - serial bus release number + // 0xc0-0xc1 legsup - Legacy Support Register + map(0x60, 0xff).rw(FUNC(i82371eb_usb_device::unmap_log_r), FUNC(i82371eb_usb_device::unmap_log_w)); +} + +void i82371eb_usb_device::io_map(address_map &map) +{ + +} + +void i82371eb_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) +{ +// io_space->install_device(0, 0x03ff, *this, &i82371eb_usb_device::io_map); +} + +void i82371eb_usb_device::device_start() +{ + pci_device::device_start(); + + skip_map_regs(4); + add_map(32, M_IO, FUNC(i82371eb_usb_device::io_map)); + + // INTD# + intr_pin = 4; +} + + +void i82371eb_usb_device::device_reset() +{ + pci_device::device_reset(); + + command = 0x0000; + status = 0x0280; +} + +/* + * Debugging + */ + +u8 i82371eb_usb_device::unmap_log_r(offs_t offset) +{ + LOGTODO("I82371EB_USB Unemulated [%02x] R\n", offset + 0x60); + return 0; +} + +void i82371eb_usb_device::unmap_log_w(offs_t offset, u8 data) +{ + LOGTODO("I82371EB_USB Unemulated [%02x] %02x W\n", offset + 0x60, data); +} |