| // Copyright 2016 The Fuchsia Authors |
| // Copyright (c) 2009 Corey Tabaka |
| // |
| // Use of this source code is governed by a MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT |
| |
| #pragma once |
| |
| /* i8253/i8254 programmable interval timer registers */ |
| #define I8253_CONTROL_REG 0x43 |
| #define I8253_DATA_REG 0x40 |
| |
| /* i8042 keyboard controller registers */ |
| #define I8042_COMMAND_REG 0x64 |
| #define I8042_STATUS_REG 0x64 |
| #define I8042_DATA_REG 0x60 |
| |
| /* CGA registers */ |
| #define CGA_INDEX_REG 0x3D4 |
| #define CGA_DATA_REG 0x3D5 |
| |
| /* legacy i/o ports */ |
| #define ISA_IOPORT_SERIAL1_BASE 0x3f8 |
| #define ISA_IOPORT_SERIAL2_BASE 0x2f8 |
| #define ISA_IOPORT_PRINTER1_BASE 0x278 |
