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mspi: make mspi_timing_tuning.h available for all supported targets
This commit is contained in:
Armando
Armando (Dou Yiwen)
parent
99882ac2d1
commit
36532aaea8
184
components/esp_hw_support/mspi_timing_config.h
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184
components/esp_hw_support/mspi_timing_config.h
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@ -0,0 +1,184 @@
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/*
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* SPDX-FileCopyrightText: 2019-2023 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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#pragma once
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#include <stdint.h>
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#include "mspi_timing_tuning_configs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* SPI timing tuning registers.
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* Upper layer rely on these 3 registers to tune the timing.
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*/
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typedef struct {
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uint8_t spi_din_mode; /*!< input signal delay mode*/
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uint8_t spi_din_num; /*!< input signal delay number */
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uint8_t extra_dummy_len; /*!< extra dummy length*/
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} mspi_timing_tuning_param_t;
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typedef struct {
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mspi_timing_tuning_param_t tuning_config_table[MSPI_TIMING_CONFIG_NUM_DEFAULT]; //available timing tuning configs
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uint32_t available_config_num;
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uint32_t default_config_id; //If tuning fails, we use this one as default
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} mspi_timing_config_t;
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/**
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* The SPI FLASH module clock and SPI PSRAM module clock is divided from the SPI core clock, core clock is from system clock:
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*
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* PLL ----| |---- FLASH Module Clock
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* XTAL ----|----> Core Clock ---->|
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* RTC8M ----| |---- PSRAM Module Clock
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*
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*/
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typedef enum {
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MSPI_TIMING_CONFIG_CORE_CLOCK_80M,
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MSPI_TIMING_CONFIG_CORE_CLOCK_120M,
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MSPI_TIMING_CONFIG_CORE_CLOCK_160M,
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MSPI_TIMING_CONFIG_CORE_CLOCK_240M
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} mspi_timing_config_core_clock_t;
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//-------------------------------------- Generic Config APIs --------------------------------------//
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/**
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* @brief Get required core clock, under current sdkconfig (Flash / PSRAM mode, speed, etc.)
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*/
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mspi_timing_config_core_clock_t mspi_timing_config_get_core_clock(void);
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/**
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* @brief Set MSPI core clock
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*
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* @param spi_num SPI0 / 1
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* @param core_clock core clock
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*/
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void mspi_timing_config_set_core_clock(uint8_t spi_num, mspi_timing_config_core_clock_t core_clock);
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/**
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* @brief Set MSPI Flash module clock
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*
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* @param spi_num SPI0 / 1
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* @param freqdiv Freq divider
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*/
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void mspi_timing_config_set_flash_clock(uint8_t spi_num, uint32_t freqdiv);
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/**
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* @brief Set MSPI Flash Din Mode and Din Num
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*
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* @param spi_num SPI0 / 1
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* @param din_mode Din mode
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* @param din_num Din num
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*/
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void mspi_timing_config_flash_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num);
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/**
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* @brief Set MSPI Flash extra dummy
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*
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* @param spi_num SPI0 / 1
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* @param extra_dummy extra dummy
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*/
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void mspi_timing_config_flash_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy);
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/**
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* @brief Configure Flash to read data via SPI1
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*
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* @param buf buffer
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* @param addr address
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* @param len length
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*/
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void mspi_timing_config_flash_read_data(uint8_t *buf, uint32_t addr, uint32_t len);
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/**
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* @brief Set MSPI PSRAM module clock
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*
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* @param spi_num SPI0 / 1
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* @param freqdiv Freq divider
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*/
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void mspi_timing_config_set_psram_clock(uint8_t spi_num, uint32_t freqdiv);
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/**
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* @brief Set MSPI PSRAM Din Mode and Din Num
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*
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* @param spi_num SPI0 / 1
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* @param din_mode Din mode
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* @param din_num Din num
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*/
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void mspi_timing_config_psram_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num);
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/**
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* @brief Set MSPI PSRAM extra dummy
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*
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* @param spi_num SPI0 / 1
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* @param extra_dummy extra dummy
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*/
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void mspi_timing_config_psram_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy);
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/**
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* @brief Configure PSRAM to write data via SPI1
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*
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* @param buf buffer
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* @param addr address
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* @param len length
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*/
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void mspi_timing_config_psram_write_data(uint8_t *buf, uint32_t addr, uint32_t len);
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/**
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* @brief Configure PSRAM to read data via SPI1
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*
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* @param buf buffer
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* @param addr address
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* @param len length
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*/
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void mspi_timing_config_psram_read_data(uint8_t *buf, uint32_t addr, uint32_t len);
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/*-------------------------------------------------------------------------------------------------
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* SPI1 Timing Tuning APIs
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* These APIs are only used in `spi_flash_timing_tuning.c/sweep_for_success_sample_points()` for
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* configuring SPI1 timing tuning related registers to find best tuning parameter
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*-------------------------------------------------------------------------------------------------*/
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/**
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* @brief Tune Flash Din Mode and Num of SPI1
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* @param din_mode Din mode
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* @param din_num Din num
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*/
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void mspi_timing_config_flash_tune_din_num_mode(uint8_t din_mode, uint8_t din_num);
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/**
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* @brief Tune Flash extra dummy of SPI1
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* @param extra_dummy extra dummy bits
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*/
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void mspi_timing_config_flash_tune_dummy(uint8_t extra_dummy);
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/**
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* @brief Tune PSRAM Din Mode and Num of SPI1
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* @param din_mode Din mode
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* @param din_num Din num
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*/
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void mspi_timing_config_psram_tune_din_num_mode(uint8_t din_mode, uint8_t din_num);
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/**
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* @brief Tune PSRAM extra dummy of SPI1
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* @param extra_dummy extra dummy bits
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*/
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void mspi_timing_config_psram_tune_dummy(uint8_t extra_dummy);
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/**
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* SPI1 register info get APIs. These APIs inform `spi_flash_timing_tuning.c` (driver layer) of the SPI1 flash settings.
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* In this way, other components (e.g.: esp_flash driver) can get the info from it (`spi_flash_timing_tuning.c`).
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*/
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void mspi_timing_config_get_cs_timing(uint8_t *setup_time, uint32_t *hold_time);
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/**
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* @brief Get Flash clock reg val
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*/
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uint32_t mspi_timing_config_get_flash_clock_reg(void);
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#ifdef __cplusplus
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}
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#endif
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@ -1,5 +1,5 @@
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/*
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* SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
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* SPDX-FileCopyrightText: 2019-2023 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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@ -17,15 +17,15 @@
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#include "soc/soc.h"
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#include "hal/spi_flash_hal.h"
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#include "hal/mspi_timing_tuning_ll.h"
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#include "mspi_timing_config.h"
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#if CONFIG_IDF_TARGET_ESP32S3
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#include "port/esp32s3/mspi_timing_config.h"
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#include "esp32s3/rom/cache.h"
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#endif
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#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
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#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
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const static char *TAG = "MSPI Timing";
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static spi_timing_tuning_param_t s_flash_best_timing_tuning_config;
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static spi_timing_tuning_param_t s_psram_best_timing_tuning_config;
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static mspi_timing_tuning_param_t s_flash_best_timing_tuning_config;
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static mspi_timing_tuning_param_t s_psram_best_timing_tuning_config;
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#endif
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/*------------------------------------------------------------------------------
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@ -41,21 +41,21 @@ void mspi_timing_set_pin_drive_strength(void)
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/*------------------------------------------------------------------------------
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* Static functions to get clock configs
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*----------------------------------------------------------------------------*/
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static spi_timing_config_core_clock_t get_mspi_core_clock(void)
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static mspi_timing_config_core_clock_t get_mspi_core_clock(void)
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{
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return spi_timing_config_get_core_clock();
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return mspi_timing_config_get_core_clock();
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}
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static uint32_t get_flash_clock_divider(void)
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{
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#if CONFIG_ESPTOOLPY_FLASHFREQ_20M
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return SPI_TIMING_CORE_CLOCK_MHZ / 20;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 20;
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#elif CONFIG_ESPTOOLPY_FLASHFREQ_40M
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return SPI_TIMING_CORE_CLOCK_MHZ / 40;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 40;
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#elif CONFIG_ESPTOOLPY_FLASHFREQ_80M
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return SPI_TIMING_CORE_CLOCK_MHZ / 80;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 80;
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#elif CONFIG_ESPTOOLPY_FLASHFREQ_120M
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return SPI_TIMING_CORE_CLOCK_MHZ / 120;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 120;
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#else
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abort();
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#endif
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@ -64,18 +64,18 @@ static uint32_t get_flash_clock_divider(void)
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static uint32_t get_psram_clock_divider(void)
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{
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#if CONFIG_SPIRAM_SPEED_40M
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return SPI_TIMING_CORE_CLOCK_MHZ / 40;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 40;
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#elif CONFIG_SPIRAM_SPEED_80M
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return SPI_TIMING_CORE_CLOCK_MHZ / 80;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 80;
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#elif CONFIG_SPIRAM_SPEED_120M
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return SPI_TIMING_CORE_CLOCK_MHZ / 120;
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return MSPI_TIMING_CORE_CLOCK_MHZ / 120;
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#else
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//Will enter this branch only if PSRAM is not enable
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return 0;
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#endif
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}
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#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
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#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
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/*------------------------------------------------------------------------------
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* Static functions to do timing tuning
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*----------------------------------------------------------------------------*/
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@ -85,19 +85,19 @@ static uint32_t get_psram_clock_divider(void)
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static void init_spi1_for_tuning(bool is_flash)
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{
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//Get required core clock and module clock settings
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spi_timing_config_core_clock_t core_clock = get_mspi_core_clock();
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mspi_timing_config_core_clock_t core_clock = get_mspi_core_clock();
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//Set SPI1 core clock. SPI0 and SPI1 share the register for core clock. So we only set SPI0 here.
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spi_timing_config_set_core_clock(0, core_clock);
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mspi_timing_config_set_core_clock(0, core_clock);
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//Set SPI1 module clock as required
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if (is_flash) {
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uint32_t flash_div = get_flash_clock_divider();
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spi_timing_config_set_flash_clock(1, flash_div);
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mspi_timing_config_set_flash_clock(1, flash_div);
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//Power on HCLK
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mspi_timinng_ll_enable_flash_hclk(0);
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} else {
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//We use SPI1 Flash to tune PSRAM, PSRAM timing related regs do nothing on SPI1
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uint32_t psram_div = get_psram_clock_divider();
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spi_timing_config_set_flash_clock(1, psram_div);
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mspi_timing_config_set_flash_clock(1, psram_div);
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//Power on HCLK
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mspi_timinng_ll_enable_psram_hclk(0);
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}
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@ -107,25 +107,25 @@ static void init_spi1_for_tuning(bool is_flash)
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* We use different SPI1 timing tuning config to read data to see if current MSPI sampling is successful.
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* The sampling result will be stored in an array. In this array, successful item will be 1, failed item will be 0.
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*/
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static void sweep_for_success_sample_points(uint8_t *reference_data, const spi_timing_config_t *config, bool is_flash, uint8_t *out_array)
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static void sweep_for_success_sample_points(uint8_t *reference_data, const mspi_timing_config_t *config, bool is_flash, uint8_t *out_array)
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{
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uint32_t config_idx = 0;
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uint8_t read_data[SPI_TIMING_TEST_DATA_LEN] = {0};
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uint8_t read_data[MSPI_TIMING_TEST_DATA_LEN] = {0};
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for (config_idx = 0; config_idx < config->available_config_num; config_idx++) {
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memset(read_data, 0, SPI_TIMING_TEST_DATA_LEN);
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#if SPI_TIMING_FLASH_NEEDS_TUNING
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memset(read_data, 0, MSPI_TIMING_TEST_DATA_LEN);
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#if MSPI_TIMING_FLASH_NEEDS_TUNING
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if (is_flash) {
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spi_timing_config_flash_tune_din_num_mode(config->tuning_config_table[config_idx].spi_din_mode, config->tuning_config_table[config_idx].spi_din_num);
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spi_timing_config_flash_tune_dummy(config->tuning_config_table[config_idx].extra_dummy_len);
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spi_timing_config_flash_read_data(1, read_data, SPI_TIMING_FLASH_TEST_DATA_ADDR, sizeof(read_data));
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mspi_timing_config_flash_tune_din_num_mode(config->tuning_config_table[config_idx].spi_din_mode, config->tuning_config_table[config_idx].spi_din_num);
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mspi_timing_config_flash_tune_dummy(config->tuning_config_table[config_idx].extra_dummy_len);
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mspi_timing_config_flash_read_data(read_data, MSPI_TIMING_FLASH_TEST_DATA_ADDR, sizeof(read_data));
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}
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#endif
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#if SPI_TIMING_PSRAM_NEEDS_TUNING
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#if MSPI_TIMING_PSRAM_NEEDS_TUNING
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if (!is_flash) {
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spi_timing_config_psram_tune_din_num_mode(config->tuning_config_table[config_idx].spi_din_mode, config->tuning_config_table[config_idx].spi_din_num);
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spi_timing_config_psram_tune_dummy(config->tuning_config_table[config_idx].extra_dummy_len);
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spi_timing_config_psram_read_data(1, read_data, SPI_TIMING_PSRAM_TEST_DATA_ADDR, SPI_TIMING_TEST_DATA_LEN);
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mspi_timing_config_psram_tune_din_num_mode(config->tuning_config_table[config_idx].spi_din_mode, config->tuning_config_table[config_idx].spi_din_num);
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mspi_timing_config_psram_tune_dummy(config->tuning_config_table[config_idx].extra_dummy_len);
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mspi_timing_config_psram_read_data(read_data, MSPI_TIMING_PSRAM_TEST_DATA_ADDR, MSPI_TIMING_TEST_DATA_LEN);
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}
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#endif
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if (memcmp(reference_data, read_data, sizeof(read_data)) == 0) {
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@ -164,10 +164,10 @@ static void find_max_consecutive_success_points(uint8_t *array, uint32_t size, u
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*out_end_index = match_num == size ? size : end;
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}
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#if SPI_TIMING_FLASH_DTR_MODE || SPI_TIMING_PSRAM_DTR_MODE
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static uint32_t select_best_tuning_config_dtr(spi_timing_config_t *config, uint32_t consecutive_length, uint32_t end)
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#if MSPI_TIMING_FLASH_DTR_MODE || MSPI_TIMING_PSRAM_DTR_MODE
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static uint32_t select_best_tuning_config_dtr(mspi_timing_config_t *config, uint32_t consecutive_length, uint32_t end)
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{
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#if (SPI_TIMING_CORE_CLOCK_MHZ == 160)
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#if (MSPI_TIMING_CORE_CLOCK_MHZ == 160)
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//Core clock 160M DTR best point scheme
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uint32_t best_point;
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@ -194,10 +194,10 @@ static uint32_t select_best_tuning_config_dtr(spi_timing_config_t *config, uint3
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}
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#endif
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#if SPI_TIMING_FLASH_STR_MODE || SPI_TIMING_PSRAM_STR_MODE
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static uint32_t select_best_tuning_config_str(spi_timing_config_t *config, uint32_t consecutive_length, uint32_t end)
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#if MSPI_TIMING_FLASH_STR_MODE || MSPI_TIMING_PSRAM_STR_MODE
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static uint32_t select_best_tuning_config_str(mspi_timing_config_t *config, uint32_t consecutive_length, uint32_t end)
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{
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#if (SPI_TIMING_CORE_CLOCK_MHZ == 120 || SPI_TIMING_CORE_CLOCK_MHZ == 240)
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#if (MSPI_TIMING_CORE_CLOCK_MHZ == 120 || MSPI_TIMING_CORE_CLOCK_MHZ == 240)
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ESP_EARLY_LOGW("FLASH/PSRAM", "DO NOT USE FOR MASS PRODUCTION! Timing parameters may be updated in future IDF version.");
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//STR best point scheme
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@ -221,27 +221,27 @@ static uint32_t select_best_tuning_config_str(spi_timing_config_t *config, uint3
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}
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#endif
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static void select_best_tuning_config(spi_timing_config_t *config, uint32_t consecutive_length, uint32_t end, bool is_flash)
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static void select_best_tuning_config(mspi_timing_config_t *config, uint32_t consecutive_length, uint32_t end, bool is_flash)
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{
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uint32_t best_point = 0;
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if (is_flash) {
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#if SPI_TIMING_FLASH_DTR_MODE
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#if MSPI_TIMING_FLASH_DTR_MODE
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best_point = select_best_tuning_config_dtr(config, consecutive_length, end);
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#elif SPI_TIMING_FLASH_STR_MODE
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#elif MSPI_TIMING_FLASH_STR_MODE
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best_point = select_best_tuning_config_str(config, consecutive_length, end);
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#endif
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s_flash_best_timing_tuning_config = config->tuning_config_table[best_point];
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} else {
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||||
#if SPI_TIMING_PSRAM_DTR_MODE
|
||||
#if MSPI_TIMING_PSRAM_DTR_MODE
|
||||
best_point = select_best_tuning_config_dtr(config, consecutive_length, end);
|
||||
#elif SPI_TIMING_PSRAM_STR_MODE
|
||||
#elif MSPI_TIMING_PSRAM_STR_MODE
|
||||
best_point = select_best_tuning_config_str(config, consecutive_length, end);
|
||||
#endif
|
||||
s_psram_best_timing_tuning_config = config->tuning_config_table[best_point];
|
||||
}
|
||||
}
|
||||
|
||||
static void do_tuning(uint8_t *reference_data, spi_timing_config_t *timing_config, bool is_flash)
|
||||
static void do_tuning(uint8_t *reference_data, mspi_timing_config_t *timing_config, bool is_flash)
|
||||
{
|
||||
/**
|
||||
* We use SPI1 to tune the timing:
|
||||
@ -251,36 +251,36 @@ static void do_tuning(uint8_t *reference_data, spi_timing_config_t *timing_confi
|
||||
*/
|
||||
uint32_t consecutive_length = 0;
|
||||
uint32_t last_success_point = 0;
|
||||
uint8_t sample_result[SPI_TIMING_CONFIG_NUM_DEFAULT] = {0};
|
||||
uint8_t sample_result[MSPI_TIMING_CONFIG_NUM_DEFAULT] = {0};
|
||||
|
||||
init_spi1_for_tuning(is_flash);
|
||||
sweep_for_success_sample_points(reference_data, timing_config, is_flash, sample_result);
|
||||
find_max_consecutive_success_points(sample_result, SPI_TIMING_CONFIG_NUM_DEFAULT, &consecutive_length, &last_success_point);
|
||||
find_max_consecutive_success_points(sample_result, MSPI_TIMING_CONFIG_NUM_DEFAULT, &consecutive_length, &last_success_point);
|
||||
select_best_tuning_config(timing_config, consecutive_length, last_success_point, is_flash);
|
||||
}
|
||||
#endif //#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif //#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* FLASH Timing Tuning
|
||||
*----------------------------------------------------------------------------*/
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING
|
||||
static void get_flash_tuning_configs(spi_timing_config_t *config)
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING
|
||||
static void get_flash_tuning_configs(mspi_timing_config_t *config)
|
||||
{
|
||||
#if SPI_TIMING_FLASH_DTR_MODE
|
||||
#if MSPI_TIMING_FLASH_DTR_MODE
|
||||
#define FLASH_MODE DTR_MODE
|
||||
#else //SPI_TIMING_FLASH_STR_MODE
|
||||
#else //MSPI_TIMING_FLASH_STR_MODE
|
||||
#define FLASH_MODE STR_MODE
|
||||
#endif
|
||||
|
||||
#if CONFIG_ESPTOOLPY_FLASHFREQ_20M
|
||||
*config = SPI_TIMING_FLASH_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 20, FLASH_MODE);
|
||||
*config = MSPI_TIMING_FLASH_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 20, FLASH_MODE);
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_40M
|
||||
*config = SPI_TIMING_FLASH_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 40, FLASH_MODE);
|
||||
*config = MSPI_TIMING_FLASH_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 40, FLASH_MODE);
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_80M
|
||||
*config = SPI_TIMING_FLASH_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 80, FLASH_MODE);
|
||||
*config = MSPI_TIMING_FLASH_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 80, FLASH_MODE);
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
*config = SPI_TIMING_FLASH_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 120, FLASH_MODE);
|
||||
*config = MSPI_TIMING_FLASH_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 120, FLASH_MODE);
|
||||
#endif
|
||||
|
||||
#undef FLASH_MODE
|
||||
@ -297,9 +297,9 @@ void mspi_timing_flash_tuning(void)
|
||||
//Disable the variable dummy mode when doing timing tuning
|
||||
mspi_timing_ll_enable_flash_variable_dummy(1, false); //GD flash will read error in variable mode with 20MHz
|
||||
|
||||
uint8_t reference_data[SPI_TIMING_TEST_DATA_LEN] = {0};
|
||||
spi_timing_config_flash_read_data(1, reference_data, SPI_TIMING_FLASH_TEST_DATA_ADDR, sizeof(reference_data));
|
||||
spi_timing_config_t timing_configs = {0};
|
||||
uint8_t reference_data[MSPI_TIMING_TEST_DATA_LEN] = {0};
|
||||
mspi_timing_config_flash_read_data(reference_data, MSPI_TIMING_FLASH_TEST_DATA_ADDR, sizeof(reference_data));
|
||||
mspi_timing_config_t timing_configs = {0};
|
||||
get_flash_tuning_configs(&timing_configs);
|
||||
|
||||
do_tuning(reference_data, &timing_configs, true);
|
||||
@ -310,27 +310,27 @@ void mspi_timing_flash_tuning(void)
|
||||
{
|
||||
//Empty function for compatibility, therefore upper layer won't need to know that FLASH in which operation mode and frequency config needs to be tuned
|
||||
}
|
||||
#endif //SPI_TIMING_FLASH_NEEDS_TUNING
|
||||
#endif //MSPI_TIMING_FLASH_NEEDS_TUNING
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* PSRAM Timing Tuning
|
||||
*----------------------------------------------------------------------------*/
|
||||
#if SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
static void get_psram_tuning_configs(spi_timing_config_t *config)
|
||||
#if MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
static void get_psram_tuning_configs(mspi_timing_config_t *config)
|
||||
{
|
||||
#if SPI_TIMING_PSRAM_DTR_MODE
|
||||
#if MSPI_TIMING_PSRAM_DTR_MODE
|
||||
#define PSRAM_MODE DTR_MODE
|
||||
#else //SPI_TIMING_PSRAM_STR_MODE
|
||||
#else //MSPI_TIMING_PSRAM_STR_MODE
|
||||
#define PSRAM_MODE STR_MODE
|
||||
#endif
|
||||
|
||||
#if CONFIG_SPIRAM_SPEED_40M
|
||||
*config = SPI_TIMING_PSRAM_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 40, PSRAM_MODE);
|
||||
*config = MSPI_TIMING_PSRAM_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 40, PSRAM_MODE);
|
||||
#elif CONFIG_SPIRAM_SPEED_80M
|
||||
*config = SPI_TIMING_PSRAM_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 80, PSRAM_MODE);
|
||||
*config = MSPI_TIMING_PSRAM_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 80, PSRAM_MODE);
|
||||
#elif CONFIG_SPIRAM_SPEED_120M
|
||||
*config = SPI_TIMING_PSRAM_GET_TUNING_CONFIG(SPI_TIMING_CORE_CLOCK_MHZ, 120, PSRAM_MODE);
|
||||
*config = MSPI_TIMING_PSRAM_GET_TUNING_CONFIG(MSPI_TIMING_CORE_CLOCK_MHZ, 120, PSRAM_MODE);
|
||||
#endif
|
||||
|
||||
#undef PSRAM_MODE
|
||||
@ -345,12 +345,12 @@ void mspi_timing_psram_tuning(void)
|
||||
mspi_timing_enter_low_speed_mode(true);
|
||||
|
||||
// write data into psram, used to do timing tuning test.
|
||||
uint8_t reference_data[SPI_TIMING_TEST_DATA_LEN];
|
||||
for (int i=0; i < SPI_TIMING_TEST_DATA_LEN/4; i++) {
|
||||
uint8_t reference_data[MSPI_TIMING_TEST_DATA_LEN];
|
||||
for (int i=0; i < MSPI_TIMING_TEST_DATA_LEN/4; i++) {
|
||||
((uint32_t *)reference_data)[i] = 0xa5ff005a;
|
||||
}
|
||||
spi_timing_config_psram_write_data(1, reference_data, SPI_TIMING_PSRAM_TEST_DATA_ADDR, SPI_TIMING_TEST_DATA_LEN);
|
||||
spi_timing_config_t timing_configs = {0};
|
||||
mspi_timing_config_psram_write_data(reference_data, MSPI_TIMING_PSRAM_TEST_DATA_ADDR, MSPI_TIMING_TEST_DATA_LEN);
|
||||
mspi_timing_config_t timing_configs = {0};
|
||||
get_psram_tuning_configs(&timing_configs);
|
||||
|
||||
//Disable the variable dummy mode when doing timing tuning
|
||||
@ -365,27 +365,27 @@ void mspi_timing_psram_tuning(void)
|
||||
{
|
||||
//Empty function for compatibility, therefore upper layer won't need to know that FLASH in which operation mode and frequency config needs to be tuned
|
||||
}
|
||||
#endif //SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif //MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------------
|
||||
* APIs to make SPI0 (and SPI1) FLASH work for high/low freq
|
||||
*----------------------------------------------------------------------------*/
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
static void clear_timing_tuning_regs(bool control_spi1)
|
||||
{
|
||||
spi_timing_config_flash_set_din_mode_num(0, 0, 0); //SPI0 and SPI1 share the registers for flash din mode and num setting, so we only set SPI0's reg
|
||||
spi_timing_config_flash_set_extra_dummy(0, 0);
|
||||
mspi_timing_config_flash_set_din_mode_num(0, 0, 0); //SPI0 and SPI1 share the registers for flash din mode and num setting, so we only set SPI0's reg
|
||||
mspi_timing_config_flash_set_extra_dummy(0, 0);
|
||||
if (control_spi1) {
|
||||
spi_timing_config_flash_set_extra_dummy(1, 0);
|
||||
mspi_timing_config_flash_set_extra_dummy(1, 0);
|
||||
} else {
|
||||
//Won't touch SPI1 registers
|
||||
}
|
||||
|
||||
spi_timing_config_psram_set_din_mode_num(0, 0, 0);
|
||||
spi_timing_config_psram_set_extra_dummy(0, 0);
|
||||
mspi_timing_config_psram_set_din_mode_num(0, 0, 0);
|
||||
mspi_timing_config_psram_set_extra_dummy(0, 0);
|
||||
}
|
||||
#endif //#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif //#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
void mspi_timing_enter_low_speed_mode(bool control_spi1)
|
||||
{
|
||||
@ -399,35 +399,35 @@ void mspi_timing_enter_low_speed_mode(bool control_spi1)
|
||||
*/
|
||||
|
||||
//Switch SPI1 and SPI0 clock as 20MHz, set its SPIMEM core clock as 80M and set clock division as 4
|
||||
spi_timing_config_set_core_clock(0, SPI_TIMING_CONFIG_CORE_CLOCK_80M); //SPI0 and SPI1 share the register for core clock. So we only set SPI0 here.
|
||||
spi_timing_config_set_flash_clock(0, 4);
|
||||
mspi_timing_config_set_core_clock(0, MSPI_TIMING_CONFIG_CORE_CLOCK_80M); //SPI0 and SPI1 share the register for core clock. So we only set SPI0 here.
|
||||
mspi_timing_config_set_flash_clock(0, 4);
|
||||
if (control_spi1) {
|
||||
//After tuning, won't touch SPI1 again
|
||||
spi_timing_config_set_flash_clock(1, 4);
|
||||
mspi_timing_config_set_flash_clock(1, 4);
|
||||
}
|
||||
|
||||
//Set PSRAM module clock
|
||||
spi_timing_config_set_psram_clock(0, 4);
|
||||
mspi_timing_config_set_psram_clock(0, 4);
|
||||
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
clear_timing_tuning_regs(control_spi1);
|
||||
#endif
|
||||
}
|
||||
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
static void set_timing_tuning_regs_as_required(bool control_spi1)
|
||||
{
|
||||
//SPI0 and SPI1 share the registers for flash din mode and num setting, so we only set SPI0's reg
|
||||
spi_timing_config_flash_set_din_mode_num(0, s_flash_best_timing_tuning_config.spi_din_mode, s_flash_best_timing_tuning_config.spi_din_num);
|
||||
spi_timing_config_flash_set_extra_dummy(0, s_flash_best_timing_tuning_config.extra_dummy_len);
|
||||
mspi_timing_config_flash_set_din_mode_num(0, s_flash_best_timing_tuning_config.spi_din_mode, s_flash_best_timing_tuning_config.spi_din_num);
|
||||
mspi_timing_config_flash_set_extra_dummy(0, s_flash_best_timing_tuning_config.extra_dummy_len);
|
||||
if (control_spi1) {
|
||||
spi_timing_config_flash_set_extra_dummy(1, s_flash_best_timing_tuning_config.extra_dummy_len);
|
||||
mspi_timing_config_flash_set_extra_dummy(1, s_flash_best_timing_tuning_config.extra_dummy_len);
|
||||
}
|
||||
|
||||
spi_timing_config_psram_set_din_mode_num(0, s_psram_best_timing_tuning_config.spi_din_mode, s_psram_best_timing_tuning_config.spi_din_num);
|
||||
spi_timing_config_psram_set_extra_dummy(0, s_psram_best_timing_tuning_config.extra_dummy_len);
|
||||
mspi_timing_config_psram_set_din_mode_num(0, s_psram_best_timing_tuning_config.spi_din_mode, s_psram_best_timing_tuning_config.spi_din_num);
|
||||
mspi_timing_config_psram_set_extra_dummy(0, s_psram_best_timing_tuning_config.extra_dummy_len);
|
||||
}
|
||||
#endif //#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif //#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
/**
|
||||
* Set SPI0 FLASH and PSRAM module clock, din_num, din_mode and extra dummy,
|
||||
@ -438,21 +438,21 @@ static void set_timing_tuning_regs_as_required(bool control_spi1)
|
||||
*/
|
||||
void mspi_timing_enter_high_speed_mode(bool control_spi1)
|
||||
{
|
||||
spi_timing_config_core_clock_t core_clock = get_mspi_core_clock();
|
||||
mspi_timing_config_core_clock_t core_clock = get_mspi_core_clock();
|
||||
uint32_t flash_div = get_flash_clock_divider();
|
||||
uint32_t psram_div = get_psram_clock_divider();
|
||||
|
||||
//Set SPI01 core clock
|
||||
spi_timing_config_set_core_clock(0, core_clock); //SPI0 and SPI1 share the register for core clock. So we only set SPI0 here.
|
||||
mspi_timing_config_set_core_clock(0, core_clock); //SPI0 and SPI1 share the register for core clock. So we only set SPI0 here.
|
||||
//Set FLASH module clock
|
||||
spi_timing_config_set_flash_clock(0, flash_div);
|
||||
mspi_timing_config_set_flash_clock(0, flash_div);
|
||||
if (control_spi1) {
|
||||
spi_timing_config_set_flash_clock(1, flash_div);
|
||||
mspi_timing_config_set_flash_clock(1, flash_div);
|
||||
}
|
||||
//Set PSRAM module clock
|
||||
spi_timing_config_set_psram_clock(0, psram_div);
|
||||
mspi_timing_config_set_psram_clock(0, psram_div);
|
||||
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
set_timing_tuning_regs_as_required(true);
|
||||
#endif
|
||||
}
|
||||
@ -477,18 +477,18 @@ void mspi_timing_change_speed_mode_cache_safe(bool switch_down)
|
||||
*----------------------------------------------------------------------------*/
|
||||
bool spi_timing_is_tuned(void)
|
||||
{
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
return true;
|
||||
#else
|
||||
return false;
|
||||
#endif
|
||||
}
|
||||
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
void spi_timing_get_flash_timing_param(spi_flash_hal_timing_config_t *out_timing_config)
|
||||
{
|
||||
// Get clock configuration directly from system.
|
||||
out_timing_config->clock_config.spimem = spi_timing_config_get_flash_clock_reg();
|
||||
out_timing_config->clock_config.spimem = mspi_timing_config_get_flash_clock_reg();
|
||||
|
||||
// Get extra dummy length here. Therefore, no matter what freq, or mode.
|
||||
// If it needs tuning, it will return correct extra dummy len. If no tuning, it will return 0.
|
||||
@ -496,7 +496,7 @@ void spi_timing_get_flash_timing_param(spi_flash_hal_timing_config_t *out_timing
|
||||
out_timing_config->extra_dummy = s_flash_best_timing_tuning_config.extra_dummy_len;
|
||||
|
||||
// Get CS setup/hold value here.
|
||||
spi_timing_config_get_cs_timing(&out_timing_config->cs_setup, &out_timing_config->cs_hold);
|
||||
mspi_timing_config_get_cs_timing(&out_timing_config->cs_setup, &out_timing_config->cs_hold);
|
||||
}
|
||||
#else
|
||||
void spi_timing_get_flash_timing_param(spi_flash_hal_timing_config_t *out_timing_config)
|
||||
@ -504,4 +504,4 @@ void spi_timing_get_flash_timing_param(spi_flash_hal_timing_config_t *out_timing
|
||||
// This function shouldn't be called if timing tuning is not used.
|
||||
abort();
|
||||
}
|
||||
#endif // SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif // MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
|
||||
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
@ -13,8 +13,10 @@
|
||||
#include "esp_log.h"
|
||||
#include "soc/spi_mem_reg.h"
|
||||
#include "hal/mspi_timing_tuning_ll.h"
|
||||
#include "mspi_timing_config.h"
|
||||
#include "../../mspi_timing_config.h"
|
||||
#include "bootloader_flash.h"
|
||||
#include "esp32s3/rom/spi_flash.h"
|
||||
#include "esp32s3/rom/opi_flash.h"
|
||||
|
||||
#define OPI_PSRAM_SYNC_READ 0x0000
|
||||
#define OPI_PSRAM_SYNC_WRITE 0x8080
|
||||
@ -28,37 +30,37 @@
|
||||
#define NOT_INIT_INT 127
|
||||
|
||||
//-------------------------------------MSPI Clock Setting-------------------------------------//
|
||||
spi_timing_config_core_clock_t spi_timing_config_get_core_clock(void)
|
||||
mspi_timing_config_core_clock_t mspi_timing_config_get_core_clock(void)
|
||||
{
|
||||
switch (SPI_TIMING_CORE_CLOCK_MHZ) {
|
||||
switch (MSPI_TIMING_CORE_CLOCK_MHZ) {
|
||||
case 80:
|
||||
return SPI_TIMING_CONFIG_CORE_CLOCK_80M;
|
||||
return MSPI_TIMING_CONFIG_CORE_CLOCK_80M;
|
||||
case 120:
|
||||
return SPI_TIMING_CONFIG_CORE_CLOCK_120M;
|
||||
return MSPI_TIMING_CONFIG_CORE_CLOCK_120M;
|
||||
case 160:
|
||||
return SPI_TIMING_CONFIG_CORE_CLOCK_160M;
|
||||
return MSPI_TIMING_CONFIG_CORE_CLOCK_160M;
|
||||
case 240:
|
||||
return SPI_TIMING_CONFIG_CORE_CLOCK_240M;
|
||||
return MSPI_TIMING_CONFIG_CORE_CLOCK_240M;
|
||||
default:
|
||||
abort();
|
||||
}
|
||||
}
|
||||
|
||||
void spi_timing_config_set_core_clock(uint8_t spi_num, spi_timing_config_core_clock_t core_clock)
|
||||
void mspi_timing_config_set_core_clock(uint8_t spi_num, mspi_timing_config_core_clock_t core_clock)
|
||||
{
|
||||
uint32_t reg_val = 0;
|
||||
|
||||
switch (core_clock) {
|
||||
case SPI_TIMING_CONFIG_CORE_CLOCK_80M:
|
||||
case MSPI_TIMING_CONFIG_CORE_CLOCK_80M:
|
||||
reg_val = 0;
|
||||
break;
|
||||
case SPI_TIMING_CONFIG_CORE_CLOCK_120M:
|
||||
case MSPI_TIMING_CONFIG_CORE_CLOCK_120M:
|
||||
reg_val = 1;
|
||||
break;
|
||||
case SPI_TIMING_CONFIG_CORE_CLOCK_160M:
|
||||
case MSPI_TIMING_CONFIG_CORE_CLOCK_160M:
|
||||
reg_val = 2;
|
||||
break;
|
||||
case SPI_TIMING_CONFIG_CORE_CLOCK_240M:
|
||||
case MSPI_TIMING_CONFIG_CORE_CLOCK_240M:
|
||||
reg_val = 3;
|
||||
break;
|
||||
default:
|
||||
@ -68,20 +70,20 @@ void spi_timing_config_set_core_clock(uint8_t spi_num, spi_timing_config_core_cl
|
||||
mspi_timing_ll_set_core_clock_divider(spi_num, reg_val);
|
||||
}
|
||||
|
||||
void spi_timing_config_set_flash_clock(uint8_t spi_num, uint32_t freqdiv)
|
||||
void mspi_timing_config_set_flash_clock(uint8_t spi_num, uint32_t freqdiv)
|
||||
{
|
||||
assert(freqdiv > 0);
|
||||
mspi_timing_ll_set_flash_clock(spi_num, freqdiv);
|
||||
}
|
||||
|
||||
void spi_timing_config_set_psram_clock(uint8_t spi_num, uint32_t freqdiv)
|
||||
void mspi_timing_config_set_psram_clock(uint8_t spi_num, uint32_t freqdiv)
|
||||
{
|
||||
mspi_timing_ll_set_psram_clock(spi_num, freqdiv);
|
||||
}
|
||||
|
||||
/////////////////////////////////////////TIMING TUNING IS NEEDED//////////////////////////////////////////////
|
||||
//////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
//If one of the FLASH / PSRAM or both of them need timing tuning, we should build following code
|
||||
typedef enum {
|
||||
PSRAM_CMD_QPI,
|
||||
@ -103,7 +105,7 @@ extern void psram_exec_cmd(int spi_num, psram_cmd_mode_t mode,
|
||||
#endif
|
||||
|
||||
//-------------------------------------FLASH timing tuning register config-------------------------------------//
|
||||
void spi_timing_config_flash_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num)
|
||||
void mspi_timing_config_flash_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num)
|
||||
{
|
||||
mspi_timing_ll_set_flash_din_mode(spi_num, din_mode);
|
||||
mspi_timing_ll_set_flash_din_num(spi_num, din_num);
|
||||
@ -157,7 +159,7 @@ static uint32_t spi_timing_config_get_dummy(void)
|
||||
}
|
||||
}
|
||||
|
||||
void spi_timing_config_flash_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy)
|
||||
void mspi_timing_config_flash_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy)
|
||||
{
|
||||
if (bootloader_flash_is_octal_mode_enabled()) {
|
||||
mspi_timing_ll_set_octal_flash_extra_dummy(spi_num, extra_dummy);
|
||||
@ -176,47 +178,44 @@ void spi_timing_config_flash_set_extra_dummy(uint8_t spi_num, uint8_t extra_dumm
|
||||
|
||||
// Only Quad Flash will run into this branch.
|
||||
uint32_t dummy = spi_timing_config_get_dummy();
|
||||
SET_PERI_REG_BITS(SPI_MEM_USER1_REG(0), SPI_MEM_USR_DUMMY_CYCLELEN_V, dummy + g_rom_spiflash_dummy_len_plus[spi_num], SPI_MEM_USR_DUMMY_CYCLELEN_S);
|
||||
mspi_timing_ll_set_quad_flash_dummy(spi_num, dummy + g_rom_spiflash_dummy_len_plus[spi_num]);
|
||||
}
|
||||
|
||||
//-------------------------------------PSRAM timing tuning register config-------------------------------------//
|
||||
void spi_timing_config_psram_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num)
|
||||
void mspi_timing_config_psram_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num)
|
||||
{
|
||||
mspi_timing_ll_set_psram_din_mode(spi_num, din_mode);
|
||||
mspi_timing_ll_set_psram_din_num(spi_num, din_num);
|
||||
}
|
||||
|
||||
void spi_timing_config_psram_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy)
|
||||
void mspi_timing_config_psram_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy)
|
||||
{
|
||||
#if CONFIG_SPIRAM_MODE_OCT
|
||||
mspi_timing_ll_set_octal_psram_extra_dummy(spi_num, extra_dummy);
|
||||
#elif CONFIG_SPIRAM_MODE_QUAD
|
||||
//HW workaround: Use normal dummy register to set extra dummy, the calibration dedicated extra dummy register doesn't work for quad mode
|
||||
SET_PERI_REG_MASK(SPI_MEM_CACHE_SCTRL_REG(spi_num), SPI_MEM_USR_RD_SRAM_DUMMY_M);
|
||||
SET_PERI_REG_BITS(SPI_MEM_CACHE_SCTRL_REG(spi_num), SPI_MEM_SRAM_RDUMMY_CYCLELEN_V, (QPI_PSRAM_FAST_READ_DUMMY + extra_dummy - 1), SPI_MEM_SRAM_RDUMMY_CYCLELEN_S);
|
||||
mspi_timing_ll_set_quad_psram_dummy(spi_num, (QPI_PSRAM_FAST_READ_DUMMY + extra_dummy - 1));
|
||||
#endif
|
||||
}
|
||||
|
||||
//-------------------------------------------FLASH/PSRAM Read/Write------------------------------------------//
|
||||
void spi_timing_config_flash_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
void mspi_timing_config_flash_read_data(uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
{
|
||||
if (bootloader_flash_is_octal_mode_enabled()) {
|
||||
// note that in spi_flash_read API, there is a wait-idle stage, since flash can only be read in idle state.
|
||||
// but after we change the timing settings, we might not read correct idle status via RDSR.
|
||||
// so, here we should use a read API that won't check idle status.
|
||||
for (int i = 0; i < 16; i++) {
|
||||
REG_WRITE(SPI_MEM_W0_REG(1) + i*4, 0);
|
||||
}
|
||||
mspi_timing_ll_clear_fifo(1);
|
||||
esp_rom_opiflash_read_raw(addr, buf, len);
|
||||
} else {
|
||||
esp_rom_spiflash_read(addr, (uint32_t *)buf, len);
|
||||
}
|
||||
}
|
||||
|
||||
static void s_psram_write_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
static void s_psram_write_data(uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
{
|
||||
#if CONFIG_SPIRAM_MODE_OCT
|
||||
esp_rom_opiflash_exec_cmd(spi_num, ESP_ROM_SPIFLASH_OPI_DTR_MODE,
|
||||
esp_rom_opiflash_exec_cmd(1, ESP_ROM_SPIFLASH_OPI_DTR_MODE,
|
||||
OPI_PSRAM_SYNC_WRITE, 16,
|
||||
addr, 32,
|
||||
OCT_PSRAM_WR_DUMMY_NUM,
|
||||
@ -225,7 +224,7 @@ static void s_psram_write_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uin
|
||||
BIT(1),
|
||||
false);
|
||||
#elif CONFIG_SPIRAM_MODE_QUAD
|
||||
psram_exec_cmd(spi_num, 0,
|
||||
psram_exec_cmd(1, 0,
|
||||
QPI_PSRAM_WRITE, 8,
|
||||
addr, 24,
|
||||
0,
|
||||
@ -236,13 +235,11 @@ static void s_psram_write_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uin
|
||||
#endif
|
||||
}
|
||||
|
||||
static void s_psram_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
static void s_psram_read_data(uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
{
|
||||
#if CONFIG_SPIRAM_MODE_OCT
|
||||
for (int i = 0; i < 16; i++) {
|
||||
REG_WRITE(SPI_MEM_W0_REG(1) + i*4, 0);
|
||||
}
|
||||
esp_rom_opiflash_exec_cmd(spi_num, ESP_ROM_SPIFLASH_OPI_DTR_MODE,
|
||||
mspi_timing_ll_clear_fifo(1);
|
||||
esp_rom_opiflash_exec_cmd(1, ESP_ROM_SPIFLASH_OPI_DTR_MODE,
|
||||
OPI_PSRAM_SYNC_READ, 16,
|
||||
addr, 32,
|
||||
OCT_PSRAM_RD_DUMMY_NUM,
|
||||
@ -251,7 +248,7 @@ static void s_psram_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint
|
||||
BIT(1),
|
||||
false);
|
||||
#elif CONFIG_SPIRAM_MODE_QUAD
|
||||
psram_exec_cmd(spi_num, 0,
|
||||
psram_exec_cmd(1, 0,
|
||||
QPI_PSRAM_FAST_READ, 8,
|
||||
addr, 24,
|
||||
QPI_PSRAM_FAST_READ_DUMMY + s_psram_extra_dummy,
|
||||
@ -262,14 +259,14 @@ static void s_psram_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint
|
||||
#endif
|
||||
}
|
||||
|
||||
static void s_psram_execution(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len, bool is_read)
|
||||
static void s_psram_execution(uint8_t *buf, uint32_t addr, uint32_t len, bool is_read)
|
||||
{
|
||||
while (len) {
|
||||
uint32_t length = MIN(len, 32);
|
||||
if (is_read) {
|
||||
s_psram_read_data(1, buf, addr, length);
|
||||
s_psram_read_data(buf, addr, length);
|
||||
} else {
|
||||
s_psram_write_data(1, buf, addr, length);
|
||||
s_psram_write_data(buf, addr, length);
|
||||
}
|
||||
addr += length;
|
||||
buf += length;
|
||||
@ -277,14 +274,14 @@ static void s_psram_execution(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint
|
||||
}
|
||||
}
|
||||
|
||||
void spi_timing_config_psram_write_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
void mspi_timing_config_psram_write_data(uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
{
|
||||
s_psram_execution(spi_num, buf, addr, len, false);
|
||||
s_psram_execution(buf, addr, len, false);
|
||||
}
|
||||
|
||||
void spi_timing_config_psram_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
void mspi_timing_config_psram_read_data(uint8_t *buf, uint32_t addr, uint32_t len)
|
||||
{
|
||||
s_psram_execution(spi_num, buf, addr, len, true);
|
||||
s_psram_execution(buf, addr, len, true);
|
||||
}
|
||||
|
||||
|
||||
@ -293,80 +290,69 @@ void spi_timing_config_psram_read_data(uint8_t spi_num, uint8_t *buf, uint32_t a
|
||||
* These APIs are only used in `spi_flash_timing_tuning.c/sweep_for_success_sample_points()` for
|
||||
* configuring SPI1 timing tuning related registers to find best tuning parameter
|
||||
*-------------------------------------------------------------------------------------------------*/
|
||||
void spi_timing_config_flash_tune_din_num_mode(uint8_t din_mode, uint8_t din_num)
|
||||
void mspi_timing_config_flash_tune_din_num_mode(uint8_t din_mode, uint8_t din_num)
|
||||
{
|
||||
/**
|
||||
* 1. SPI_MEM_DINx_MODE(1), SPI_MEM_DINx_NUM(1) are meaningless
|
||||
* SPI0 and SPI1 share the SPI_MEM_DINx_MODE(0), SPI_MEM_DINx_NUM(0) for FLASH timing tuning
|
||||
* 2. We use SPI1 to get the best Flash timing tuning (mode and num) config
|
||||
*/
|
||||
spi_timing_config_flash_set_din_mode_num(0, din_mode, din_num);
|
||||
mspi_timing_config_flash_set_din_mode_num(0, din_mode, din_num);
|
||||
}
|
||||
|
||||
void spi_timing_config_flash_tune_dummy(uint8_t extra_dummy)
|
||||
void mspi_timing_config_flash_tune_dummy(uint8_t extra_dummy)
|
||||
{
|
||||
spi_timing_config_flash_set_extra_dummy(1, extra_dummy);
|
||||
mspi_timing_config_flash_set_extra_dummy(1, extra_dummy);
|
||||
}
|
||||
|
||||
void spi_timing_config_psram_tune_din_num_mode(uint8_t din_mode, uint8_t din_num)
|
||||
void mspi_timing_config_psram_tune_din_num_mode(uint8_t din_mode, uint8_t din_num)
|
||||
{
|
||||
/**
|
||||
* 1. SPI_MEM_SPI_SMEM_DINx_MODE(1), SPI_MEM_SPI_SMEM_DINx_NUM(1) are meaningless
|
||||
* SPI0 and SPI1 share the SPI_MEM_SPI_SMEM_DINx_MODE(0), SPI_MEM_SPI_SMEM_DINx_NUM(0) for PSRAM timing tuning
|
||||
* 2. We use SPI1 to get the best PSRAM timing tuning (mode and num) config
|
||||
*/
|
||||
spi_timing_config_psram_set_din_mode_num(0, din_mode, din_num);
|
||||
mspi_timing_config_psram_set_din_mode_num(0, din_mode, din_num);
|
||||
}
|
||||
|
||||
void spi_timing_config_psram_tune_dummy(uint8_t extra_dummy)
|
||||
void mspi_timing_config_psram_tune_dummy(uint8_t extra_dummy)
|
||||
{
|
||||
#if CONFIG_SPIRAM_MODE_OCT
|
||||
//On 728, for SPI1, flash and psram share the extra dummy register
|
||||
spi_timing_config_flash_set_extra_dummy(1, extra_dummy);
|
||||
mspi_timing_config_flash_set_extra_dummy(1, extra_dummy);
|
||||
#elif CONFIG_SPIRAM_MODE_QUAD
|
||||
//Update this `s_psram_extra_dummy`, the `s_psram_read_data` will set dummy according to this `s_psram_extra_dummy`
|
||||
s_psram_extra_dummy = extra_dummy;
|
||||
SET_PERI_REG_MASK(SPI_MEM_USER_REG(1), SPI_MEM_USR_DUMMY); // dummy en
|
||||
SET_PERI_REG_BITS(SPI_MEM_USER1_REG(1), SPI_MEM_USR_DUMMY_CYCLELEN_V, extra_dummy - 1, SPI_MEM_USR_DUMMY_CYCLELEN_S);
|
||||
mspi_timing_ll_set_quad_flash_dummy(1, extra_dummy - 1);
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif //#if SPI_TIMING_FLASH_NEEDS_TUNING || SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
#endif //#if MSPI_TIMING_FLASH_NEEDS_TUNING || MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
|
||||
|
||||
/*-------------------------------------------------------------------------------------------------
|
||||
* To let upper lay (spi_flash_timing_tuning.c) to know the necessary timing registers
|
||||
*-------------------------------------------------------------------------------------------------*/
|
||||
static bool s_get_cs_setup_enable(void)
|
||||
{
|
||||
return REG_GET_BIT(SPI_MEM_USER_REG(0), SPI_MEM_CS_SETUP);
|
||||
}
|
||||
|
||||
static bool s_get_cs_hold_enable(void)
|
||||
{
|
||||
return REG_GET_BIT(SPI_MEM_USER_REG(0), SPI_MEM_CS_HOLD);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the SPI1 Flash CS timing setting. The setup time and hold time are both realistic cycles.
|
||||
* @note On ESP32-S3, SPI0/1 share the Flash CS timing registers. Therefore, we should not change these values.
|
||||
* @note This function inform `spi_flash_timing_tuning.c` (driver layer) of the cycle,
|
||||
* and other component (esp_flash driver) should get these cycle and configure the registers accordingly.
|
||||
*/
|
||||
void spi_timing_config_get_cs_timing(uint8_t *setup_time, uint32_t *hold_time)
|
||||
void mspi_timing_config_get_cs_timing(uint8_t *setup_time, uint32_t *hold_time)
|
||||
{
|
||||
*setup_time = REG_GET_FIELD(SPI_MEM_CTRL2_REG(0), SPI_MEM_CS_SETUP_TIME);
|
||||
*hold_time = REG_GET_FIELD(SPI_MEM_CTRL2_REG(0), SPI_MEM_CS_HOLD_TIME);
|
||||
*setup_time = mspi_timing_ll_get_cs_setup_val(0);
|
||||
*hold_time = mspi_timing_ll_get_cs_hold_val(0);
|
||||
/**
|
||||
* The logic here is, if setup_en / hold_en is false, then we return the realistic cycle number,
|
||||
* which is 0. If true, then the realistic cycle number is (reg_value + 1)
|
||||
*/
|
||||
if (s_get_cs_setup_enable()) {
|
||||
if (mspi_timing_ll_is_cs_setup_enabled(0)) {
|
||||
*setup_time += 1;
|
||||
} else {
|
||||
*setup_time = 0;
|
||||
}
|
||||
if (s_get_cs_hold_enable()) {
|
||||
if (mspi_timing_ll_is_cs_hold_enabled(0)) {
|
||||
*hold_time += 1;
|
||||
} else {
|
||||
*hold_time = 0;
|
||||
@ -378,7 +364,7 @@ void spi_timing_config_get_cs_timing(uint8_t *setup_time, uint32_t *hold_time)
|
||||
* @note Similarly, this function inform `spi_flash_timing_tuning.c` (driver layer) of the clock setting,
|
||||
* and other component (esp_flash driver) should get these and configure the registers accordingly.
|
||||
*/
|
||||
uint32_t spi_timing_config_get_flash_clock_reg(void)
|
||||
uint32_t mspi_timing_config_get_flash_clock_reg(void)
|
||||
{
|
||||
return READ_PERI_REG(SPI_MEM_CLOCK_REG(1));
|
||||
return mspi_timing_ll_get_clock_reg(1);
|
||||
}
|
||||
|
||||
@ -1,256 +0,0 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "esp_flash_partitions.h"
|
||||
#include "esp32s3/rom/spi_flash.h"
|
||||
#include "esp32s3/rom/opi_flash.h"
|
||||
#include "mspi_timing_tuning_configs.h"
|
||||
#include "esp_assert.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
|
||||
#define SPI_TIMING_CONFIG_NUM_DEFAULT 20 //This should be larger than the max available timing config num
|
||||
#define SPI_TIMING_TEST_DATA_LEN 64
|
||||
#define SPI_TIMING_PSRAM_TEST_DATA_ADDR 0
|
||||
#define SPI_TIMING_FLASH_TEST_DATA_ADDR ESP_BOOTLOADER_OFFSET
|
||||
/**
|
||||
* @note BACKGOURND:
|
||||
*
|
||||
* The SPI FLASH module clock and SPI PSRAM module clock is divided from the SPI core clock, core clock is from system clock:
|
||||
*
|
||||
* PLL ----| |---- FLASH Module Clock
|
||||
* XTAL ----|----> Core Clock ---->|
|
||||
* RTC8M ----| |---- PSRAM Module Clock
|
||||
*
|
||||
*
|
||||
* DDR stands for double data rate, MSPI samples at both posedge and negedge. So the real spped will be doubled.
|
||||
* Speed from high to low: 120M DDR > 80M DDR > 120 SDR > 80M SDR > ...
|
||||
*
|
||||
* Module with speed lower than 120M SDR doesn't need to be tuned
|
||||
*
|
||||
* @note LIMITATION:
|
||||
* How to determine the core clock on 728. There are 2 limitations.
|
||||
*
|
||||
* 1. MSPI FLASH and PSRAM share the core clock register. Therefore:
|
||||
* SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ == SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
*
|
||||
* 2. DDR mode requires the core clock divider (core_clk / div = module_clk) to be power of 2.
|
||||
*/
|
||||
//--------------------------------------FLASH Sampling Mode --------------------------------------//
|
||||
#define SPI_TIMING_FLASH_DTR_MODE CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_DTR
|
||||
#define SPI_TIMING_FLASH_STR_MODE CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_STR
|
||||
//--------------------------------------FLASH Module Clock --------------------------------------//
|
||||
#if CONFIG_ESPTOOLPY_FLASHFREQ_20M
|
||||
#define SPI_TIMING_FLASH_MODULE_CLOCK 20
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_40M
|
||||
#define SPI_TIMING_FLASH_MODULE_CLOCK 40
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_80M
|
||||
#define SPI_TIMING_FLASH_MODULE_CLOCK 80
|
||||
#else //CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#define SPI_TIMING_FLASH_MODULE_CLOCK 120
|
||||
#endif
|
||||
//------------------------------------FLASH Needs Tuning or not-------------------------------------//
|
||||
#if SPI_TIMING_FLASH_DTR_MODE
|
||||
#define SPI_TIMING_FLASH_NEEDS_TUNING (SPI_TIMING_FLASH_MODULE_CLOCK > 40)
|
||||
#elif SPI_TIMING_FLASH_STR_MODE
|
||||
#define SPI_TIMING_FLASH_NEEDS_TUNING (SPI_TIMING_FLASH_MODULE_CLOCK > 80)
|
||||
#endif
|
||||
|
||||
//--------------------------------------PSRAM Sampling Mode --------------------------------------//
|
||||
#define SPI_TIMING_PSRAM_DTR_MODE CONFIG_SPIRAM_MODE_OCT
|
||||
#define SPI_TIMING_PSRAM_STR_MODE !CONFIG_SPIRAM_MODE_OCT
|
||||
//--------------------------------------PSRAM Module Clock --------------------------------------//
|
||||
#if CONFIG_SPIRAM
|
||||
#if CONFIG_SPIRAM_SPEED_40M
|
||||
#define SPI_TIMING_PSRAM_MODULE_CLOCK 40
|
||||
#elif CONFIG_SPIRAM_SPEED_80M
|
||||
#define SPI_TIMING_PSRAM_MODULE_CLOCK 80
|
||||
#else //CONFIG_SPIRAM_SPEED_120M
|
||||
#define SPI_TIMING_PSRAM_MODULE_CLOCK 120
|
||||
#endif
|
||||
#else //Disable PSRAM
|
||||
#define SPI_TIMING_PSRAM_MODULE_CLOCK 10 //Define this to 10MHz, because we rely on `SPI_TIMING_PSRAM_MODULE_CLOCK` macro for calculation and check below, see `Determine the Core Clock` chapter
|
||||
#endif
|
||||
//------------------------------------PSRAM Needs Tuning or not-------------------------------------//
|
||||
#if SPI_TIMING_PSRAM_DTR_MODE
|
||||
#define SPI_TIMING_PSRAM_NEEDS_TUNING (SPI_TIMING_PSRAM_MODULE_CLOCK > 40)
|
||||
#elif SPI_TIMING_PSRAM_STR_MODE
|
||||
#define SPI_TIMING_PSRAM_NEEDS_TUNING (SPI_TIMING_PSRAM_MODULE_CLOCK > 80)
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* @note Define A feasible core clock below: SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ and SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
*/
|
||||
/**
|
||||
* Due to MSPI core clock is used by both MSPI Flash and PSRAM clock,
|
||||
* define the STR/DTR mode here for selecting the core clock:
|
||||
* @note If either Flash or PSRAM, or both of them are set to DTR mode, then we use DIV 2
|
||||
*/
|
||||
#if (SPI_TIMING_FLASH_DTR_MODE || SPI_TIMING_PSRAM_DTR_MODE)
|
||||
#define SPI_TIMING_CORE_CLOCK_DIV 2
|
||||
#else //#if (SPI_TIMING_FLASH_STR_MODE && (SPI_TIMING_PSRAM_STR_MODE))
|
||||
#define SPI_TIMING_CORE_CLOCK_DIV 1
|
||||
#endif
|
||||
|
||||
///////////////////////////////////// FLASH CORE CLOCK /////////////////////////////////////
|
||||
//FLASH 80M DTR
|
||||
#if SPI_TIMING_FLASH_DTR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_80M
|
||||
#define SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 160
|
||||
#endif
|
||||
|
||||
//FLASH 120M DTR
|
||||
#if SPI_TIMING_FLASH_DTR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#define SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 240
|
||||
#endif
|
||||
|
||||
//FLASH 120M STR
|
||||
#if SPI_TIMING_FLASH_STR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#if (SPI_TIMING_CORE_CLOCK_DIV == 2)
|
||||
#define SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 240
|
||||
#elif (SPI_TIMING_CORE_CLOCK_DIV == 1)
|
||||
#define SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 120
|
||||
#endif
|
||||
#endif //FLASH 120M STR
|
||||
|
||||
///////////////////////////////////// PSRAM CORE CLOCK /////////////////////////////////////
|
||||
//PSRAM 80M DTR
|
||||
#if SPI_TIMING_PSRAM_DTR_MODE && CONFIG_SPIRAM_SPEED_80M
|
||||
#define SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 160
|
||||
#endif
|
||||
|
||||
//PSRAM 120M STR
|
||||
#if SPI_TIMING_PSRAM_STR_MODE && CONFIG_SPIRAM_SPEED_120M
|
||||
#if (SPI_TIMING_CORE_CLOCK_DIV == 2)
|
||||
#define SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 240
|
||||
#elif (SPI_TIMING_CORE_CLOCK_DIV == 1)
|
||||
#define SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 120
|
||||
#endif
|
||||
#endif //PSRAM 120M STR
|
||||
|
||||
|
||||
//------------------------------------------Determine the Core Clock-----------------------------------------------//
|
||||
/**
|
||||
* @note
|
||||
* Limitation 1:
|
||||
* On 728, MSPI FLASH and PSRAM share the core clock register. Therefore,
|
||||
* the expected CORE CLOCK frequencies should be the same.
|
||||
*/
|
||||
#if SPI_TIMING_FLASH_NEEDS_TUNING && SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ == SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define SPI_TIMING_CORE_CLOCK_MHZ SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
//If only FLASH needs tuning, the core clock COULD be as FLASH expected
|
||||
#elif SPI_TIMING_FLASH_NEEDS_TUNING && !SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ % SPI_TIMING_PSRAM_MODULE_CLOCK == 0, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define SPI_TIMING_CORE_CLOCK_MHZ SPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
//If only PSRAM needs tuning, the core clock COULD be as PSRAM expected
|
||||
#elif !SPI_TIMING_FLASH_NEEDS_TUNING && SPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ % SPI_TIMING_FLASH_MODULE_CLOCK == 0, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define SPI_TIMING_CORE_CLOCK_MHZ SPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
#else
|
||||
#define SPI_TIMING_CORE_CLOCK_MHZ 80
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @note
|
||||
* Limitation 2: DDR mode requires the core clock divider (core_clk / div = module_clk) to be power of 2.
|
||||
*/
|
||||
#define CHECK_POWER_OF_2(n) ((((n) & ((~(n)) + 1))) == (n))
|
||||
|
||||
#if SPI_TIMING_FLASH_DTR_MODE
|
||||
ESP_STATIC_ASSERT(CHECK_POWER_OF_2(SPI_TIMING_CORE_CLOCK_MHZ / SPI_TIMING_FLASH_MODULE_CLOCK), "FLASH and PSRAM Mode configuration are not supported");
|
||||
#endif
|
||||
#if SPI_TIMING_PSRAM_DTR_MODE
|
||||
ESP_STATIC_ASSERT(CHECK_POWER_OF_2(SPI_TIMING_CORE_CLOCK_MHZ / SPI_TIMING_PSRAM_MODULE_CLOCK), "FLASH and PSRAM Mode configuration are not supported");
|
||||
#endif
|
||||
|
||||
|
||||
//------------------------------------------Helper Macros to get FLASH/PSRAM tuning configs-----------------------------------------------//
|
||||
#define __GET_TUNING_CONFIG(type, core_clock, module_clock, mode) \
|
||||
(spi_timing_config_t) { .tuning_config_table = MSPI_TIMING_##type##_CONFIG_TABLE_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode, \
|
||||
.available_config_num = MSPI_TIMING_##type##_CONFIG_NUM_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode, \
|
||||
.default_config_id = MSPI_TIMING_##type##_DEFAULT_CONFIG_ID_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode }
|
||||
|
||||
#define _GET_TUNING_CONFIG(type, core_clock, module_clock, mode) __GET_TUNING_CONFIG(type, core_clock, module_clock, mode)
|
||||
|
||||
#define SPI_TIMING_FLASH_GET_TUNING_CONFIG(core_clock_mhz, module_clock_mhz, mode) _GET_TUNING_CONFIG(FLASH, core_clock_mhz, module_clock_mhz, mode)
|
||||
#define SPI_TIMING_PSRAM_GET_TUNING_CONFIG(core_clock_mhz, module_clock_mhz, mode) _GET_TUNING_CONFIG(PSRAM, core_clock_mhz, module_clock_mhz, mode)
|
||||
|
||||
|
||||
/**
|
||||
* SPI timing tuning registers. The macro `SPI_TIMING_FLASH_CONFIG_TABLE` below is the corresponding register value table.
|
||||
* Upper layer rely on these 3 registers to tune the timing.
|
||||
*/
|
||||
typedef struct {
|
||||
uint8_t spi_din_mode; /*!< input signal delay mode*/
|
||||
uint8_t spi_din_num; /*!< input signal delay number */
|
||||
uint8_t extra_dummy_len; /*!< extra dummy length*/
|
||||
} spi_timing_tuning_param_t;
|
||||
|
||||
typedef struct {
|
||||
spi_timing_tuning_param_t tuning_config_table[SPI_TIMING_CONFIG_NUM_DEFAULT]; //available timing tuning configs
|
||||
uint32_t available_config_num;
|
||||
uint32_t default_config_id; //If tuning fails, we use this one as default
|
||||
} spi_timing_config_t;
|
||||
|
||||
/**
|
||||
* The SPI FLASH module clock and SPI PSRAM module clock is divided from the SPI core clock, core clock is from system clock:
|
||||
*
|
||||
* PLL ----| |---- FLASH Module Clock
|
||||
* XTAL ----|----> Core Clock ---->|
|
||||
* RTC8M ----| |---- PSRAM Module Clock
|
||||
*
|
||||
*/
|
||||
typedef enum {
|
||||
SPI_TIMING_CONFIG_CORE_CLOCK_80M,
|
||||
SPI_TIMING_CONFIG_CORE_CLOCK_120M,
|
||||
SPI_TIMING_CONFIG_CORE_CLOCK_160M,
|
||||
SPI_TIMING_CONFIG_CORE_CLOCK_240M
|
||||
} spi_timing_config_core_clock_t;
|
||||
|
||||
|
||||
spi_timing_config_core_clock_t spi_timing_config_get_core_clock(void);
|
||||
void spi_timing_config_set_core_clock(uint8_t spi_num, spi_timing_config_core_clock_t core_clock);
|
||||
|
||||
void spi_timing_config_set_flash_clock(uint8_t spi_num, uint32_t freqdiv);
|
||||
void spi_timing_config_flash_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num);
|
||||
void spi_timing_config_flash_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy);
|
||||
void spi_timing_config_flash_read_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len);
|
||||
|
||||
void spi_timing_config_set_psram_clock(uint8_t spi_num, uint32_t freqdiv);
|
||||
void spi_timing_config_psram_set_din_mode_num(uint8_t spi_num, uint8_t din_mode, uint8_t din_num);
|
||||
void spi_timing_config_psram_set_extra_dummy(uint8_t spi_num, uint8_t extra_dummy);
|
||||
void spi_timing_config_psram_write_data(uint8_t spi_num, uint8_t *buf, uint32_t addr, uint32_t len);
|
||||
void spi_timing_config_psram_read_data(uint8_t spi_num,uint8_t *buf, uint32_t addr, uint32_t len);
|
||||
|
||||
/*-------------------------------------------------------------------------------------------------
|
||||
* SPI1 Timing Tuning APIs
|
||||
* These APIs are only used in `spi_flash_timing_tuning.c/sweep_for_success_sample_points()` for
|
||||
* configuring SPI1 timing tuning related registers to find best tuning parameter
|
||||
*-------------------------------------------------------------------------------------------------*/
|
||||
void spi_timing_config_flash_tune_din_num_mode(uint8_t din_mode, uint8_t din_num);
|
||||
void spi_timing_config_flash_tune_dummy(uint8_t extra_dummy);
|
||||
void spi_timing_config_psram_tune_din_num_mode(uint8_t din_mode, uint8_t din_num);
|
||||
void spi_timing_config_psram_tune_dummy(uint8_t extra_dummy);
|
||||
|
||||
/**
|
||||
* SPI1 register info get APIs. These APIs inform `spi_flash_timing_tuning.c` (driver layer) of the SPI1 flash settings.
|
||||
* In this way, other components (e.g.: esp_flash driver) can get the info from it (`spi_flash_timing_tuning.c`).
|
||||
*/
|
||||
void spi_timing_config_get_cs_timing(uint8_t *setup_time, uint32_t *hold_time);
|
||||
uint32_t spi_timing_config_get_flash_clock_reg(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
@ -5,6 +5,185 @@
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include "sdkconfig.h"
|
||||
#include "esp_assert.h"
|
||||
#include "esp_flash_partitions.h"
|
||||
|
||||
#define MSPI_TIMING_CONFIG_NUM_DEFAULT 20 //This should be larger than the max available timing config num
|
||||
#define MSPI_TIMING_TEST_DATA_LEN 64
|
||||
#define MSPI_TIMING_PSRAM_TEST_DATA_ADDR 0
|
||||
#define MSPI_TIMING_FLASH_TEST_DATA_ADDR ESP_BOOTLOADER_OFFSET
|
||||
/**
|
||||
* @note BACKGOURND:
|
||||
*
|
||||
* The SPI FLASH module clock and SPI PSRAM module clock is divided from the SPI core clock, core clock is from system clock:
|
||||
*
|
||||
* PLL ----| |---- FLASH Module Clock
|
||||
* XTAL ----|----> Core Clock ---->|
|
||||
* RTC8M ----| |---- PSRAM Module Clock
|
||||
*
|
||||
*
|
||||
* DDR stands for double data rate, MSPI samples at both posedge and negedge. So the real spped will be doubled.
|
||||
* Speed from high to low: 120M DDR > 80M DDR > 120 SDR > 80M SDR > ...
|
||||
*
|
||||
* Module with speed lower than 120M SDR doesn't need to be tuned
|
||||
*
|
||||
* @note LIMITATION:
|
||||
* How to determine the core clock on 728. There are 2 limitations.
|
||||
*
|
||||
* 1. MSPI FLASH and PSRAM share the core clock register. Therefore:
|
||||
* MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ == MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
*
|
||||
* 2. DDR mode requires the core clock divider (core_clk / div = module_clk) to be power of 2.
|
||||
*/
|
||||
//--------------------------------------FLASH Sampling Mode --------------------------------------//
|
||||
#define MSPI_TIMING_FLASH_DTR_MODE CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_DTR
|
||||
#define MSPI_TIMING_FLASH_STR_MODE CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_STR
|
||||
//--------------------------------------FLASH Module Clock --------------------------------------//
|
||||
#if CONFIG_ESPTOOLPY_FLASHFREQ_20M
|
||||
#define MSPI_TIMING_FLASH_MODULE_CLOCK 20
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_40M
|
||||
#define MSPI_TIMING_FLASH_MODULE_CLOCK 40
|
||||
#elif CONFIG_ESPTOOLPY_FLASHFREQ_80M
|
||||
#define MSPI_TIMING_FLASH_MODULE_CLOCK 80
|
||||
#else //CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#define MSPI_TIMING_FLASH_MODULE_CLOCK 120
|
||||
#endif
|
||||
//------------------------------------FLASH Needs Tuning or not-------------------------------------//
|
||||
#if MSPI_TIMING_FLASH_DTR_MODE
|
||||
#define MSPI_TIMING_FLASH_NEEDS_TUNING (MSPI_TIMING_FLASH_MODULE_CLOCK > 40)
|
||||
#elif MSPI_TIMING_FLASH_STR_MODE
|
||||
#define MSPI_TIMING_FLASH_NEEDS_TUNING (MSPI_TIMING_FLASH_MODULE_CLOCK > 80)
|
||||
#endif
|
||||
|
||||
//--------------------------------------PSRAM Sampling Mode --------------------------------------//
|
||||
#define MSPI_TIMING_PSRAM_DTR_MODE CONFIG_SPIRAM_MODE_OCT
|
||||
#define MSPI_TIMING_PSRAM_STR_MODE !CONFIG_SPIRAM_MODE_OCT
|
||||
//--------------------------------------PSRAM Module Clock --------------------------------------//
|
||||
#if CONFIG_SPIRAM
|
||||
#if CONFIG_SPIRAM_SPEED_40M
|
||||
#define MSPI_TIMING_PSRAM_MODULE_CLOCK 40
|
||||
#elif CONFIG_SPIRAM_SPEED_80M
|
||||
#define MSPI_TIMING_PSRAM_MODULE_CLOCK 80
|
||||
#else //CONFIG_SPIRAM_SPEED_120M
|
||||
#define MSPI_TIMING_PSRAM_MODULE_CLOCK 120
|
||||
#endif
|
||||
#else //Disable PSRAM
|
||||
#define MSPI_TIMING_PSRAM_MODULE_CLOCK 10 //Define this to 10MHz, because we rely on `MSPI_TIMING_PSRAM_MODULE_CLOCK` macro for calculation and check below, see `Determine the Core Clock` chapter
|
||||
#endif
|
||||
//------------------------------------PSRAM Needs Tuning or not-------------------------------------//
|
||||
#if MSPI_TIMING_PSRAM_DTR_MODE
|
||||
#define MSPI_TIMING_PSRAM_NEEDS_TUNING (MSPI_TIMING_PSRAM_MODULE_CLOCK > 40)
|
||||
#elif MSPI_TIMING_PSRAM_STR_MODE
|
||||
#define MSPI_TIMING_PSRAM_NEEDS_TUNING (MSPI_TIMING_PSRAM_MODULE_CLOCK > 80)
|
||||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* @note Define A feasible core clock below: MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ and MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
*/
|
||||
/**
|
||||
* Due to MSPI core clock is used by both MSPI Flash and PSRAM clock,
|
||||
* define the STR/DTR mode here for selecting the core clock:
|
||||
* @note If either Flash or PSRAM, or both of them are set to DTR mode, then we use DIV 2
|
||||
*/
|
||||
#if (MSPI_TIMING_FLASH_DTR_MODE || MSPI_TIMING_PSRAM_DTR_MODE)
|
||||
#define MSPI_TIMING_CORE_CLOCK_DIV 2
|
||||
#else //#if (MSPI_TIMING_FLASH_STR_MODE && (MSPI_TIMING_PSRAM_STR_MODE))
|
||||
#define MSPI_TIMING_CORE_CLOCK_DIV 1
|
||||
#endif
|
||||
|
||||
///////////////////////////////////// FLASH CORE CLOCK /////////////////////////////////////
|
||||
//FLASH 80M DTR
|
||||
#if MSPI_TIMING_FLASH_DTR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_80M
|
||||
#define MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 160
|
||||
#endif
|
||||
|
||||
//FLASH 120M DTR
|
||||
#if MSPI_TIMING_FLASH_DTR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#define MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 240
|
||||
#endif
|
||||
|
||||
//FLASH 120M STR
|
||||
#if MSPI_TIMING_FLASH_STR_MODE && CONFIG_ESPTOOLPY_FLASHFREQ_120M
|
||||
#if (MSPI_TIMING_CORE_CLOCK_DIV == 2)
|
||||
#define MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 240
|
||||
#elif (MSPI_TIMING_CORE_CLOCK_DIV == 1)
|
||||
#define MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ 120
|
||||
#endif
|
||||
#endif //FLASH 120M STR
|
||||
|
||||
///////////////////////////////////// PSRAM CORE CLOCK /////////////////////////////////////
|
||||
//PSRAM 80M DTR
|
||||
#if MSPI_TIMING_PSRAM_DTR_MODE && CONFIG_SPIRAM_SPEED_80M
|
||||
#define MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 160
|
||||
#endif
|
||||
|
||||
//PSRAM 120M STR
|
||||
#if MSPI_TIMING_PSRAM_STR_MODE && CONFIG_SPIRAM_SPEED_120M
|
||||
#if (MSPI_TIMING_CORE_CLOCK_DIV == 2)
|
||||
#define MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 240
|
||||
#elif (MSPI_TIMING_CORE_CLOCK_DIV == 1)
|
||||
#define MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ 120
|
||||
#endif
|
||||
#endif //PSRAM 120M STR
|
||||
|
||||
|
||||
//------------------------------------------Determine the Core Clock-----------------------------------------------//
|
||||
/**
|
||||
* @note
|
||||
* Limitation 1:
|
||||
* On 728, MSPI FLASH and PSRAM share the core clock register. Therefore,
|
||||
* the expected CORE CLOCK frequencies should be the same.
|
||||
*/
|
||||
#if MSPI_TIMING_FLASH_NEEDS_TUNING && MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ == MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define MSPI_TIMING_CORE_CLOCK_MHZ MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
//If only FLASH needs tuning, the core clock COULD be as FLASH expected
|
||||
#elif MSPI_TIMING_FLASH_NEEDS_TUNING && !MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ % MSPI_TIMING_PSRAM_MODULE_CLOCK == 0, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define MSPI_TIMING_CORE_CLOCK_MHZ MSPI_TIMING_FLASH_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
//If only PSRAM needs tuning, the core clock COULD be as PSRAM expected
|
||||
#elif !MSPI_TIMING_FLASH_NEEDS_TUNING && MSPI_TIMING_PSRAM_NEEDS_TUNING
|
||||
ESP_STATIC_ASSERT(MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ % MSPI_TIMING_FLASH_MODULE_CLOCK == 0, "FLASH and PSRAM Mode configuration are not supported");
|
||||
#define MSPI_TIMING_CORE_CLOCK_MHZ MSPI_TIMING_PSRAM_EXPECTED_CORE_CLK_MHZ
|
||||
|
||||
#else
|
||||
#define MSPI_TIMING_CORE_CLOCK_MHZ 80
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @note
|
||||
* Limitation 2: DDR mode requires the core clock divider (core_clk / div = module_clk) to be power of 2.
|
||||
*/
|
||||
#define CHECK_POWER_OF_2(n) ((((n) & ((~(n)) + 1))) == (n))
|
||||
|
||||
#if MSPI_TIMING_FLASH_DTR_MODE
|
||||
ESP_STATIC_ASSERT(CHECK_POWER_OF_2(MSPI_TIMING_CORE_CLOCK_MHZ / MSPI_TIMING_FLASH_MODULE_CLOCK), "FLASH and PSRAM Mode configuration are not supported");
|
||||
#endif
|
||||
#if MSPI_TIMING_PSRAM_DTR_MODE
|
||||
ESP_STATIC_ASSERT(CHECK_POWER_OF_2(MSPI_TIMING_CORE_CLOCK_MHZ / MSPI_TIMING_PSRAM_MODULE_CLOCK), "FLASH and PSRAM Mode configuration are not supported");
|
||||
#endif
|
||||
|
||||
|
||||
//------------------------------------------Helper Macros to get FLASH/PSRAM tuning configs-----------------------------------------------//
|
||||
#define __GET_TUNING_CONFIG(type, core_clock, module_clock, mode) \
|
||||
(mspi_timing_config_t) { .tuning_config_table = MSPI_TIMING_##type##_CONFIG_TABLE_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode, \
|
||||
.available_config_num = MSPI_TIMING_##type##_CONFIG_NUM_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode, \
|
||||
.default_config_id = MSPI_TIMING_##type##_DEFAULT_CONFIG_ID_CORE_CLK_##core_clock##M_MODULE_CLK_##module_clock##M_##mode }
|
||||
|
||||
#define _GET_TUNING_CONFIG(type, core_clock, module_clock, mode) __GET_TUNING_CONFIG(type, core_clock, module_clock, mode)
|
||||
|
||||
#define MSPI_TIMING_FLASH_GET_TUNING_CONFIG(core_clock_mhz, module_clock_mhz, mode) _GET_TUNING_CONFIG(FLASH, core_clock_mhz, module_clock_mhz, mode)
|
||||
#define MSPI_TIMING_PSRAM_GET_TUNING_CONFIG(core_clock_mhz, module_clock_mhz, mode) _GET_TUNING_CONFIG(PSRAM, core_clock_mhz, module_clock_mhz, mode)
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Timing Tuning Parameters
|
||||
*/
|
||||
//FLASH: core clock 160M, module clock 40M, DTR mode
|
||||
#define MSPI_TIMING_FLASH_CONFIG_TABLE_CORE_CLK_160M_MODULE_CLK_40M_DTR_MODE {{1, 0, 0}, {0, 0, 0}, {2, 1, 1}, {2, 0, 1}, {2, 2, 2}, {2, 1, 2}, {1, 0, 1}, {0, 0, 1}}
|
||||
#define MSPI_TIMING_FLASH_CONFIG_NUM_CORE_CLK_160M_MODULE_CLK_40M_DTR_MODE 8
|
||||
|
||||
@ -262,6 +262,20 @@ static inline void mspi_timing_ll_set_octal_flash_extra_dummy(uint8_t spi_num, u
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MSPI Quad Flash dummy
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
* @param dummy dummy
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mspi_timing_ll_set_quad_flash_dummy(uint8_t spi_num, uint8_t dummy)
|
||||
{
|
||||
//HW workaround: Use normal dummy register to set extra dummy, the calibration dedicated extra dummy register doesn't work for quad mode
|
||||
SET_PERI_REG_MASK(SPI_MEM_USER_REG(spi_num), SPI_MEM_USR_DUMMY);
|
||||
SET_PERI_REG_BITS(SPI_MEM_USER1_REG(spi_num), SPI_MEM_USR_DUMMY_CYCLELEN_V, dummy, SPI_MEM_USR_DUMMY_CYCLELEN_S);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MSPI PSRAM din mode
|
||||
*
|
||||
@ -312,6 +326,101 @@ static inline void mspi_timing_ll_set_octal_psram_extra_dummy(uint8_t spi_num, u
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MSPI Octal PSRAM dummy
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
* @param dummy dummy
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mspi_timing_ll_set_quad_psram_dummy(uint8_t spi_num, uint8_t dummy)
|
||||
{
|
||||
//HW workaround: Use normal dummy register to set extra dummy, the calibration dedicated extra dummy register doesn't work for quad mode
|
||||
SET_PERI_REG_MASK(SPI_MEM_CACHE_SCTRL_REG(spi_num), SPI_MEM_USR_RD_SRAM_DUMMY_M);
|
||||
SET_PERI_REG_BITS(SPI_MEM_CACHE_SCTRL_REG(spi_num), SPI_MEM_SRAM_RDUMMY_CYCLELEN_V, dummy, SPI_MEM_SRAM_RDUMMY_CYCLELEN_S);
|
||||
}
|
||||
|
||||
/**
|
||||
* Clear MSPI hw fifo
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline void mspi_timing_ll_clear_fifo(uint8_t spi_num)
|
||||
{
|
||||
for (int i = 0; i < 16; i++) {
|
||||
REG_WRITE(SPI_MEM_W0_REG(spi_num) + i*4, 0);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get if cs setup is enabled or not
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*
|
||||
* @return
|
||||
* true: enabled; false: disabled
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline bool mspi_timing_ll_is_cs_setup_enabled(uint8_t spi_num)
|
||||
{
|
||||
return REG_GET_BIT(SPI_MEM_USER_REG(spi_num), SPI_MEM_CS_SETUP);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get cs setup val
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*
|
||||
* @return
|
||||
* cs setup reg val
|
||||
*/
|
||||
static inline uint32_t mspi_timing_ll_get_cs_setup_val(uint8_t spi_num)
|
||||
{
|
||||
return REG_GET_FIELD(SPI_MEM_CTRL2_REG(spi_num), SPI_MEM_CS_SETUP_TIME);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get if cs hold is enabled or not
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*
|
||||
* @return
|
||||
* true: enabled; false: disabled
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline bool mspi_timing_ll_is_cs_hold_enabled(uint8_t spi_num)
|
||||
{
|
||||
return REG_GET_BIT(SPI_MEM_USER_REG(spi_num), SPI_MEM_CS_HOLD);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get cs hold val
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*
|
||||
* @return
|
||||
* cs hold reg val
|
||||
*/
|
||||
static inline uint32_t mspi_timing_ll_get_cs_hold_val(uint8_t spi_num)
|
||||
{
|
||||
return REG_GET_FIELD(SPI_MEM_CTRL2_REG(spi_num), SPI_MEM_CS_HOLD_TIME);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get clock reg val
|
||||
*
|
||||
* @param spi_num SPI0 / SPI1
|
||||
*
|
||||
* @return
|
||||
* clock reg val
|
||||
*/
|
||||
__attribute__((always_inline))
|
||||
static inline uint32_t mspi_timing_ll_get_clock_reg(uint8_t spi_num)
|
||||
{
|
||||
return READ_PERI_REG(SPI_MEM_CLOCK_REG(spi_num));
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user