1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2008 Rafaël Carré
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
21 #ifndef SYSTEM_TARGET_H
22 #define SYSTEM_TARGET_H
24 #include "system-arm.h"
28 #include "clock-target.h" /* CPUFREQ_* are defined here */
30 /* We can use a interrupt-based mechanism on the fuzev2 */
31 #define INCREASED_SCROLLWHEEL_POLLING \
32 (defined(HAVE_SCROLLWHEEL) && (CONFIG_CPU == AS3525))
34 #if INCREASED_SCROLLWHEEL_POLLING
35 /* let the timer interrupt twice as often for the scrollwheel polling */
36 #define KERNEL_TIMER_FREQ (TIMER_FREQ/2)
38 #define KERNEL_TIMER_FREQ TIMER_FREQ
41 #define AS3525_UNCACHED_ADDR(a) ((typeof(a)) ((uintptr_t)(a) + 0x10000000))
44 /* 0: Backlight on A5, 1: Backlight on A7 */
45 extern int c200v2_variant
;
46 /* c200v2 changes the timer interval often due to software pwm */
47 #define TIMER_PERIOD TIMER2_BGLOAD
49 #define TIMER_PERIOD (KERNEL_TIMER_FREQ/HZ)
52 void udelay(unsigned short usecs
);
53 #endif /* SYSTEM_TARGET_H */