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Diffstat (limited to 'src/devices/machine/i82371eb_usb.cpp')
-rw-r--r--src/devices/machine/i82371eb_usb.cpp96
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);
+}