rockbox/firmware/target/arm/s3c2440/gigabeat-fx/system-target.h
Michael Sevakis cb06108024 Meg-FX: Enable a real tick in the bootloader. Do cleanups before switching to firmware and cache handling. Put proper main return address in lr.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19368 a1c6a512-1295-4272-9138-f99709370657
2008-12-08 23:31:05 +00:00

55 lines
1.8 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Greg White
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef SYSTEM_TARGET_H
#define SYSTEM_TARGET_H
#include "system-arm.h"
#include "mmu-arm.h"
#define CPUFREQ_DEFAULT 98784000
#define CPUFREQ_NORMAL 98784000
#define CPUFREQ_MAX 296352000
void system_prepare_fw_start(void);
void tick_stop(void);
/* Functions to set and clear regiser bits atomically */
/* Set and clear register bits */
void s3c_regmod32(volatile unsigned long *reg, unsigned long bits,
unsigned long mask);
/* Set register bits */
void s3c_regset32(volatile unsigned long *reg, unsigned long bits);
/* Clear register bits */
void s3c_regclr32(volatile unsigned long *reg, unsigned long bits);
#define HAVE_INVALIDATE_ICACHE
static inline void invalidate_icache(void)
{
clean_dcache();
asm volatile(
"mov r0, #0 \n"
"mcr p15, 0, r0, c7, c5, 0 \n"
: : : "r0"
);
}
#endif /* SYSTEM_TARGET_H */