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https://github.com/espressif/esp-idf.git
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wuzhenghui
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "sdkconfig.h"
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#if CONFIG_IDF_TARGET_ESP32P4 && (CONFIG_ESP_REV_MIN_FULL == 300)
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#include "soc/hp_system_reg.h"
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#include "hal/mmu_ll.h"
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#include "hal/mspi_ll.h"
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void sleep_flash_p4_rev3_workaround(void)
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{
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REG_CLR_BIT(SPI_MEM_C_CACHE_FCTRL_REG, SPI_MEM_C_CLOSE_AXI_INF_EN);
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REG_SET_BIT(SPI_MEM_C_CACHE_FCTRL_REG, SPI_MEM_C_AXI_REQ_EN);
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REG_SET_FIELD(HP_SYSTEM_CORE_ERR_RESP_DIS_REG, HP_SYSTEM_CORE_ERR_RESP_DIS, 0x7);
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REG_WRITE(SPI_MEM_C_MMU_ITEM_INDEX_REG, 0);
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uint32_t mmu_backup = mmu_ll_read_entry(MMU_LL_FLASH_MMU_ID, 0);
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mmu_ll_write_entry(MMU_LL_FLASH_MMU_ID, 0, 0, MMU_TARGET_FLASH0);
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__attribute__((unused)) volatile uint32_t val = 0;
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val = REG_READ(0x80000000);
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val = REG_READ(0x80000080);
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mmu_ll_write_entry(MMU_LL_FLASH_MMU_ID, 0, mmu_backup, MMU_TARGET_FLASH0);
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_mspi_timing_ll_reset_mspi();
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_mspi_timing_ll_reset_mspi_apb();
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REG_SET_FIELD(HP_SYSTEM_CORE_ERR_RESP_DIS_REG, HP_SYSTEM_CORE_ERR_RESP_DIS, 0);
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}
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#endif
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