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7d116dccab
- Boot up 4 cores. - Add a generic UART driver. - Add generic CPU helper functions - Supoort suspend - Add system_off & system_reset implementation - Add crash console reporting implementation - Add get_sys_suspend_power_state() for PSCI 1.0 SYSTEM_SUSPEND - Add Mediatek SIP runtime service - Add delay timer platform implementation Change-Id: I44138249f115ee10b9cbd26fdbc2dd3af04d825f Signed-off-by: CC Ma <cc.ma@mediatek.com> Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arch_helpers.h>
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#include <mcucfg.h>
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#include <mmio.h>
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#include <mt8173_def.h>
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#include <mt_cpuxgpt.h>
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static void write_cpuxgpt(unsigned int reg_index, unsigned int value)
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{
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mmio_write_32((uintptr_t)&mt8173_mcucfg->xgpt_idx, reg_index);
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mmio_write_32((uintptr_t)&mt8173_mcucfg->xgpt_ctl, value);
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}
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static void cpuxgpt_set_init_cnt(unsigned int countH, unsigned int countL)
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{
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write_cpuxgpt(INDEX_CNT_H_INIT, countH);
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/* update count when countL programmed */
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write_cpuxgpt(INDEX_CNT_L_INIT, countL);
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}
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void generic_timer_backup(void)
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{
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uint64_t cval;
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cval = read_cntpct_el0();
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cpuxgpt_set_init_cnt((uint32_t)(cval >> 32),
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(uint32_t)(cval & 0xffffffff));
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}
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