arm-trusted-firmware/plat/mediatek/mt6795/drivers/timer/mt_cpuxgpt.h

53 lines
2.1 KiB
C

/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MT_CPUXGPT_H__
#define __MT_CPUXGPT_H__
/* REG */
#define INDEX_CTL_REG 0x000
#define INDEX_STA_REG 0x004
#define INDEX_CNT_L_INIT 0x008
#define INDEX_CNT_H_INIT 0x00C
/* CTL_REG SET */
#define EN_CPUXGPT 0x01
#define EN_AHLT_DEBUG 0x02
#define CLK_DIV1 (0x1 << 8)
#define CLK_DIV2 (0x2 << 8)
#define CLK_DIV4 (0x4 << 8)
#define CLK_DIV_MASK (~(0x7<<8))
void generic_timer_backup(void);
void sched_clock_init(uint64_t normal_base, uint64_t atf_base);
uint64_t sched_clock(void);
#endif /* __MT_CPUXGPT_H__ */