psram: refactor spiram.c on esp32s2

This commit is contained in:
Armando
2022-01-12 15:03:50 +08:00
parent 9cf4126656
commit 7240ad2b3a
11 changed files with 509 additions and 413 deletions

View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -24,35 +24,11 @@ extern "C" {
*/
esp_err_t esp_spiram_init(void);
/**
* @brief Configure Cache/MMU for access to external SPI RAM.
*
* Normally this function is called from cpu_start, if CONFIG_SPIRAM_BOOT_INIT
* option is enabled. Applications which need to enable SPI RAM at run time
* can disable CONFIG_SPIRAM_BOOT_INIT, and call this function later.
*
* @attention this function must be called with flash cache disabled.
*/
void esp_spiram_init_cache(void);
/**
* @brief Memory test for SPI RAM. Should be called after SPI RAM is initialized and
* (in case of a dual-core system) the app CPU is online. This test overwrites the
* memory with crap, so do not call after e.g. the heap allocator has stored important
* stuff in SPI RAM.
*
* @return true on success, false on failed memory test
*/
bool esp_spiram_test(void);
/**
* @brief Add the initialized SPI RAM to the heap allocator.
*/
esp_err_t esp_spiram_add_to_heapalloc(void);
/**
* @brief Get the size of the attached SPI RAM chip selected in menuconfig
*
@@ -60,7 +36,6 @@ esp_err_t esp_spiram_add_to_heapalloc(void);
*/
size_t esp_spiram_get_size(void);
/**
* @brief Force a writeback of the data in the SPI RAM cache. This is to be called whenever
* cache is disabled, because disabling cache on the ESP32 discards the data in the SPI
@@ -80,7 +55,6 @@ void esp_spiram_writeback_cache(void);
*/
uint8_t esp_spiram_get_cs_io(void);
/**
* @brief Reserve a pool of internal memory for specific DMA/internal allocations
*
@@ -101,54 +75,6 @@ esp_err_t esp_spiram_reserve_dma_pool(size_t size);
*/
bool esp_spiram_is_initialized(void);
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
extern int _instruction_reserved_start, _instruction_reserved_end;
/**
* @brief Get the start page number of the instruction in SPI flash
*
* @return start page number
*/
uint32_t instruction_flash_start_page_get(void);
/**
* @brief Get the end page number of the instruction in SPI flash
*
* @return end page number
*/
uint32_t instruction_flash_end_page_get(void);
/**
* @brief Get the offset of instruction from SPI flash to SPI RAM
*
* @return instruction offset
*/
int instruction_flash2spiram_offset(void);
#endif
#if CONFIG_SPIRAM_RODATA
extern int _rodata_reserved_start, _rodata_reserved_end;
/**
* @brief Get the start page number of the rodata in SPI flash
*
* @return start page number
*/
uint32_t rodata_flash_start_page_get(void);
/**
* @brief Get the end page number of the rodata in SPI flash
*
* @return end page number
*/
uint32_t rodata_flash_end_page_get(void);
/**
* @brief Get the offset number of rodata from SPI flash to SPI RAM
*
* @return rodata offset
*/
int rodata_flash2spiram_offset(void);
#endif
#ifdef __cplusplus
}
#endif