diff options
Diffstat (limited to 'src/devices/machine/lpc-pit.c')
-rw-r--r-- | src/devices/machine/lpc-pit.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/devices/machine/lpc-pit.c b/src/devices/machine/lpc-pit.c new file mode 100644 index 00000000000..19a07373ec5 --- /dev/null +++ b/src/devices/machine/lpc-pit.c @@ -0,0 +1,47 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert +#include "lpc-pit.h" + +const device_type LPC_PIT = &device_creator<lpc_pit_device>; + +DEVICE_ADDRESS_MAP_START(map, 32, lpc_pit_device) + AM_RANGE(0x40, 0x43) AM_READWRITE8(status_r, access_w, 0x00ffffff) + AM_RANGE(0x40, 0x43) AM_WRITE8 ( control_w, 0xff000000) + AM_RANGE(0x50, 0x53) AM_READWRITE8(status_r, access_w, 0x00ffffff) + AM_RANGE(0x50, 0x53) AM_WRITE8 ( control_w, 0xff000000) +ADDRESS_MAP_END + +lpc_pit_device::lpc_pit_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : lpc_device(mconfig, LPC_PIT, "LPC PIT", tag, owner, clock, "lpc_pit", __FILE__) +{ +} + +void lpc_pit_device::map_device(UINT64 memory_window_start, UINT64 memory_window_end, UINT64 memory_offset, address_space *memory_space, + UINT64 io_window_start, UINT64 io_window_end, UINT64 io_offset, address_space *io_space) +{ + io_space->install_device(io_offset, io_window_end, *this, &lpc_pit_device::map); +} + +void lpc_pit_device::device_start() +{ +} + +void lpc_pit_device::device_reset() +{ +} + +READ8_MEMBER( lpc_pit_device::status_r) +{ + logerror("%s: status_r %d\n", tag(), offset); + return 0xff; +} + +WRITE8_MEMBER(lpc_pit_device::access_w) +{ + logerror("%s: access_w %d, %02x\n", tag(), offset, data); +} + +WRITE8_MEMBER(lpc_pit_device::control_w) +{ + logerror("%s: control_w %02x\n", tag(), data); +} |