64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* Copyright (c) 2007-2017 Allwinnertech Co., Ltd.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "pm_types.h"
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#include "pm_i.h"
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/*
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*********************************************************************************************************
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* MEM SRAM SAVE
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*
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* Description: mem sram save.
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*
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* Arguments : none.
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*
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* Returns : 0/-1;
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*********************************************************************************************************
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*/
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__s32 mem_sram_save(struct sram_state *psram_state)
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{
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int i = 0;
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/*save all the sram reg */
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for (i = 0; i < (SRAM_REG_LENGTH); i++) {
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psram_state->sram_reg_back[i] =
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*(volatile __u32 *)(IO_ADDRESS(AW_SRAMCTRL_BASE) +
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i * 0x04);
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}
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return 0;
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}
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/*
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*********************************************************************************************************
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* MEM sram restore
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*
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* Description: mem sram restore.
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*
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* Arguments : none.
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*
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* Returns : 0/-1;
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*********************************************************************************************************
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*/
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__s32 mem_sram_restore(struct sram_state *psram_state)
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{
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int i = 0;
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/*restore all the sram reg */
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for (i = 0; i < (SRAM_REG_LENGTH); i++) {
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*(volatile __u32 *)(IO_ADDRESS(AW_SRAMCTRL_BASE) + i * 0x04) =
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psram_state->sram_reg_back[i];
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}
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return 0;
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}
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