4 * External interface to the dreamcast serial port, implemented by
7 * Copyright (c) 2005 Nathan Keynes.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 #ifndef lxdream_clock_H
21 #define lxdream_clock_H 1
31 #define SH4_BASE_RATE 200 MHZ
32 #define ARM_BASE_RATE 2 MHZ
33 #define PVR2_DOT_CLOCK 27068 KHZ
35 extern uint32_t sh4_freq;
36 extern uint32_t sh4_peripheral_freq;
37 extern uint32_t sh4_bus_freq;
38 extern uint32_t sh4_cpu_period;
39 extern uint32_t sh4_peripheral_period;
40 extern uint32_t sh4_bus_period;
41 extern uint32_t arm_freq;
.