Merge branch 'refactor/make_mspi_hal_independent' into 'master'

refactor(mspi): Make mspi hal layer independent

See merge request espressif/esp-idf!42035
This commit is contained in:
C.S.M
2025-09-28 22:23:59 +08:00
91 changed files with 292 additions and 308 deletions
@@ -1,465 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The Lowlevel layer for SPI Flash
* The ll is not public api, don't use in application code.
******************************************************************************/
#pragma once
#include <stdlib.h>
#include "soc/spi_periph.h"
#include "soc/spi_struct.h"
#include "soc/pcr_struct.h"
#include "hal/spi_types.h"
#include "hal/spi_flash_types.h"
#include <sys/param.h> // For MIN/MAX
#include <stdbool.h>
#include <string.h>
#include "hal/misc.h"
#ifdef __cplusplus
extern "C" {
#endif
#define gpspi_flash_ll_get_hw(host_id) ( ((host_id)==SPI2_HOST) ? &GPSPI2 : ({abort();(spi_dev_t*)0;}) )
#define gpspi_flash_ll_hw_get_id(dev) ( ((dev) == (void*)&GPSPI2) ? SPI2_HOST : -1 )
typedef typeof(GPSPI2.clock.val) gpspi_flash_ll_clock_reg_t;
#define GPSPI_FLASH_LL_PERIPHERAL_FREQUENCY_MHZ (80)
/*------------------------------------------------------------------------------
* Control
*----------------------------------------------------------------------------*/
/**
* Reset peripheral registers before configuration and starting control
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void gpspi_flash_ll_reset(spi_dev_t *dev)
{
dev->user.val = 0;
dev->ctrl.val = 0;
dev->clk_gate.clk_en = 1;
dev->clk_gate.mst_clk_active = 1;
dev->clk_gate.mst_clk_sel = 1;
dev->dma_conf.val = 0;
dev->dma_conf.slv_tx_seg_trans_clr_en = 1;
dev->dma_conf.slv_rx_seg_trans_clr_en = 1;
dev->dma_conf.dma_slv_seg_trans_en = 0;
}
/**
* Check whether the previous operation is done.
*
* @param dev Beginning address of the peripheral registers.
*
* @return true if last command is done, otherwise false.
*/
static inline bool gpspi_flash_ll_cmd_is_done(const spi_dev_t *dev)
{
return (dev->cmd.usr == 0);
}
/**
* Get the read data from the buffer after ``gpspi_flash_ll_read`` is done.
*
* @param dev Beginning address of the peripheral registers.
* @param buffer Buffer to hold the output data
* @param read_len Length to get out of the buffer
*/
static inline void gpspi_flash_ll_get_buffer_data(spi_dev_t *dev, void *buffer, uint32_t read_len)
{
if (((intptr_t)buffer % 4 == 0) && (read_len % 4 == 0)) {
// If everything is word-aligned, do a faster memcpy
memcpy(buffer, (void *)dev->data_buf, read_len);
} else {
// Otherwise, slow(er) path copies word by word
int copy_len = read_len;
for (int i = 0; i < (read_len + 3) / 4; i++) {
int word_len = MIN(sizeof(uint32_t), copy_len);
uint32_t word = dev->data_buf[i].buf0;
memcpy(buffer, &word, word_len);
buffer = (void *)((intptr_t)buffer + word_len);
copy_len -= word_len;
}
}
}
/**
* Write a word to the data buffer.
*
* @param dev Beginning address of the peripheral registers.
* @param word Data to write at address 0.
*/
static inline void gpspi_flash_ll_write_word(spi_dev_t *dev, uint32_t word)
{
dev->data_buf[0].buf0 = word;
}
/**
* Set the data to be written in the data buffer.
*
* @param dev Beginning address of the peripheral registers.
* @param buffer Buffer holding the data
* @param length Length of data in bytes.
*/
static inline void gpspi_flash_ll_set_buffer_data(spi_dev_t *dev, const void *buffer, uint32_t length)
{
// Load data registers, word at a time
int num_words = (length + 3) / 4;
for (int i = 0; i < num_words; i++) {
uint32_t word = 0;
uint32_t word_len = MIN(length, sizeof(word));
memcpy(&word, buffer, word_len);
dev->data_buf[i].buf0 = word;
length -= word_len;
buffer = (void *)((intptr_t)buffer + word_len);
}
}
/**
* Trigger a user defined transaction. All phases, including command, address, dummy, and the data phases,
* should be configured before this is called.
*
* @param dev Beginning address of the peripheral registers.
* @param pe_ops Is page program/erase operation or not. (not used in gpspi)
*/
static inline void gpspi_flash_ll_user_start(spi_dev_t *dev, bool pe_ops)
{
dev->cmd.update = 1;
while (dev->cmd.update);
dev->cmd.usr = 1;
}
/**
* In user mode, it is set to indicate that program/erase operation will be triggered.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void gpspi_flash_ll_set_pe_bit(spi_dev_t *dev)
{
// Not supported on GPSPI
}
/**
* Set HD pin high when flash work at spi mode.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void gpspi_flash_ll_set_hold_pol(spi_dev_t *dev, uint32_t pol_val)
{
dev->ctrl.hold_pol = pol_val;
}
/**
* Check whether the host is idle to perform new commands.
*
* @param dev Beginning address of the peripheral registers.
*
* @return true if the host is idle, otherwise false
*/
static inline bool gpspi_flash_ll_host_idle(const spi_dev_t *dev)
{
return dev->cmd.usr == 0;
}
/**
* Set phases for user-defined transaction to read
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void gpspi_flash_ll_read_phase(spi_dev_t *dev)
{
typeof(dev->user) user = {
.usr_mosi = 0,
.usr_miso = 1,
.usr_addr = 1,
.usr_command = 1,
};
dev->user.val = user.val;
}
/*------------------------------------------------------------------------------
* Configs
*----------------------------------------------------------------------------*/
/**
* Select which pin to use for the flash
*
* @param dev Beginning address of the peripheral registers.
* @param pin Pin ID to use, 0-2. Set to other values to disable all the CS pins.
*/
static inline void gpspi_flash_ll_set_cs_pin(spi_dev_t *dev, int pin)
{
dev->misc.cs0_dis = (pin == 0) ? 0 : 1;
dev->misc.cs1_dis = (pin == 1) ? 0 : 1;
}
/**
* Set the read io mode.
*
* @param dev Beginning address of the peripheral registers.
* @param read_mode I/O mode to use in the following transactions.
*/
static inline void gpspi_flash_ll_set_read_mode(spi_dev_t *dev, esp_flash_io_mode_t read_mode)
{
typeof(dev->ctrl) ctrl;
ctrl.val = dev->ctrl.val;
typeof(dev->user) user;
user.val = dev->user.val;
ctrl.val &= ~(SPI_FCMD_QUAD_M | SPI_FADDR_QUAD_M | SPI_FREAD_QUAD_M | SPI_FCMD_DUAL_M | SPI_FADDR_DUAL_M | SPI_FREAD_DUAL_M);
user.val &= ~(SPI_FWRITE_QUAD_M | SPI_FWRITE_DUAL_M);
switch (read_mode) {
case SPI_FLASH_FASTRD:
//the default option
case SPI_FLASH_SLOWRD:
break;
case SPI_FLASH_QIO:
ctrl.fread_quad = 1;
ctrl.faddr_quad = 1;
user.fwrite_quad = 1;
break;
case SPI_FLASH_QOUT:
ctrl.fread_quad = 1;
user.fwrite_quad = 1;
break;
case SPI_FLASH_DIO:
ctrl.fread_dual = 1;
ctrl.faddr_dual = 1;
user.fwrite_dual = 1;
break;
case SPI_FLASH_DOUT:
ctrl.fread_dual = 1;
user.fwrite_dual = 1;
break;
default:
abort();
}
dev->ctrl.val = ctrl.val;
dev->user.val = user.val;
}
/**
* Set clock frequency to work at.
*
* @param dev Beginning address of the peripheral registers.
* @param clock_val pointer to the clock value to set
*/
static inline void gpspi_flash_ll_set_clock(spi_dev_t *dev, gpspi_flash_ll_clock_reg_t *clock_val)
{
dev->clock.val = *clock_val;
}
/**
* Set the input length, in bits.
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of input, in bits.
*/
static inline void gpspi_flash_ll_set_miso_bitlen(spi_dev_t *dev, uint32_t bitlen)
{
dev->user.usr_miso = bitlen > 0;
if (bitlen) {
dev->ms_dlen.ms_data_bitlen = bitlen - 1;
}
}
/**
* Set the output length, in bits (not including command, address and dummy
* phases)
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of output, in bits.
*/
static inline void gpspi_flash_ll_set_mosi_bitlen(spi_dev_t *dev, uint32_t bitlen)
{
dev->user.usr_mosi = bitlen > 0;
if (bitlen) {
dev->ms_dlen.ms_data_bitlen = bitlen - 1;
}
}
/**
* Set the command.
*
* @param dev Beginning address of the peripheral registers.
* @param command Command to send
* @param bitlen Length of the command
*/
static inline void gpspi_flash_ll_set_command(spi_dev_t *dev, uint8_t command, uint32_t bitlen)
{
dev->user.usr_command = 1;
typeof(dev->user2) user2 = {
.usr_command_value = command,
.usr_command_bitlen = (bitlen - 1),
};
dev->user2.val = user2.val;
}
/**
* Get the address length that is set in register, in bits.
*
* @param dev Beginning address of the peripheral registers.
*
*/
static inline int gpspi_flash_ll_get_addr_bitlen(spi_dev_t *dev)
{
return dev->user.usr_addr ? dev->user1.usr_addr_bitlen + 1 : 0;
}
/**
* Set the address length to send, in bits. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of the address, in bits
*/
static inline void gpspi_flash_ll_set_addr_bitlen(spi_dev_t *dev, uint32_t bitlen)
{
dev->user1.usr_addr_bitlen = (bitlen - 1);
dev->user.usr_addr = bitlen ? 1 : 0;
}
/**
* Set the address to send in user mode. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param addr Address to send
*/
static inline void gpspi_flash_ll_set_usr_address(spi_dev_t *dev, uint32_t addr, uint32_t bitlen)
{
// The blank region should be all ones
uint32_t padding_ones = (bitlen == 32 ? 0 : UINT32_MAX >> bitlen);
dev->addr.val = (addr << (32 - bitlen)) | padding_ones;
}
/**
* Set the address to send. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param addr Address to send
*/
static inline void gpspi_flash_ll_set_address(spi_dev_t *dev, uint32_t addr)
{
dev->addr.val = addr;
}
/**
* Set the length of dummy cycles.
*
* @param dev Beginning address of the peripheral registers.
* @param dummy_n Cycles of dummy phases
*/
static inline void gpspi_flash_ll_set_dummy(spi_dev_t *dev, uint32_t dummy_n)
{
dev->user.usr_dummy = dummy_n ? 1 : 0;
if (dummy_n > 0) {
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->user1, usr_dummy_cyclelen, dummy_n - 1);
}
}
/**
* Set D/Q output level during dummy phase
*
* @param dev Beginning address of the peripheral registers.
* @param out_en whether to enable IO output for dummy phase
* @param out_level dummy output level
*/
static inline void gpspi_flash_ll_set_dummy_out(spi_dev_t *dev, uint32_t out_en, uint32_t out_lev)
{
dev->ctrl.dummy_out = out_en;
dev->ctrl.q_pol = out_lev;
dev->ctrl.d_pol = out_lev;
}
/**
* Set extra hold time of CS after the clocks.
*
* @param dev Beginning address of the peripheral registers.
* @param hold_n Cycles of clocks before CS is inactive
*/
static inline void gpspi_flash_ll_set_hold(spi_dev_t *dev, uint32_t hold_n)
{
dev->user.cs_hold = (hold_n > 0 ? 1 : 0);
if (hold_n > 0) {
dev->user1.cs_hold_time = hold_n - 1;
}
}
/**
* Set the delay of SPI clocks before the first SPI clock after the CS active edge.
*
* @param dev Beginning address of the peripheral registers.
* @param cs_setup_time Delay of SPI clocks after the CS active edge, 0 to disable the setup phase.
*/
static inline void gpspi_flash_ll_set_cs_setup(spi_dev_t *dev, uint32_t cs_setup_time)
{
dev->user.cs_setup = (cs_setup_time > 0 ? 1 : 0);
if (cs_setup_time > 0) {
dev->user1.cs_setup_time = cs_setup_time - 1;
}
}
/**
* Calculate spi_flash clock frequency division parameters for register.
*
* @param clkdiv frequency division factor
*
* @return Register setting for the given clock division factor.
*/
static inline uint32_t gpspi_flash_ll_calculate_clock_reg(uint8_t clkdiv)
{
uint32_t div_parameter;
// See comments of `clock` in `spi_struct.h`
if (clkdiv == 1) {
div_parameter = (1 << 31);
} else {
div_parameter = ((clkdiv - 1) | (((clkdiv / 2 - 1) & 0xff) << 6) | (((clkdiv - 1) & 0xff) << 12));
}
return div_parameter;
}
/**
* Set the clock source
*
* @param hw Beginning address of the peripheral registers.
* @param clk_source Clock source to use
*/
static inline void gpspi_flash_ll_set_clk_source(spi_dev_t *hw, spi_clock_source_t clk_source)
{
switch (clk_source) {
case SPI_CLK_SRC_RC_FAST:
PCR.spi2_clkm_conf.spi2_clkm_sel = 2;
break;
case SPI_CLK_SRC_XTAL:
PCR.spi2_clkm_conf.spi2_clkm_sel = 0;
break;
default:
PCR.spi2_clkm_conf.spi2_clkm_sel = 1;
break;
}
}
/**
* Enable/disable SPI flash module clock
*
* @param hw Beginning address of the peripheral registers.
* @param enable true to enable, false to disable
*/
static inline void gpspi_flash_ll_enable_clock(spi_dev_t *hw, bool enable)
{
(void) hw;
PCR.spi2_clkm_conf.spi2_clkm_en = enable;
}
#ifdef __cplusplus
}
#endif
@@ -1,67 +0,0 @@
/*
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* Background
*
* This file is for the MSPI related, but not Flash driver related registers, these registers:
* - may influence both Flash and PSRAM
* - not related or directly related to Flash controller driver
*
* Some hints for naming convention:
* - For MSPI timing tuning related registers, the LL should start with `mspi_timing_ll_`
* - For others, the LL should start with `mspi_ll_`
*/
#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "soc/soc.h"
#include "soc/clk_tree_defs.h"
#include "soc/pcr_struct.h"
#include "hal/misc.h"
#include "hal/assert.h"
#ifdef __cplusplus
extern "C" {
#endif
//Timing tuning not applied, and flash has its own clock source. Can change flash clock source
#define MSPI_TIMING_LL_FLASH_CLK_SRC_CHANGEABLE 1
/************************** MSPI pll clock configurations **************************/
/*
* @brief Select FLASH clock source
*
* @param mspi_id mspi_id
* @param clk_src clock source, see valid sources in type `soc_periph_flash_clk_src_t`
*/
__attribute__((always_inline))
static inline void _mspi_timing_ll_set_flash_clk_src(uint32_t mspi_id, soc_periph_flash_clk_src_t clk_src)
{
HAL_ASSERT(mspi_id == 0);
switch (clk_src) {
case FLASH_CLK_SRC_XTAL:
PCR.mspi_conf.mspi_clk_sel = 0;
break;
case FLASH_CLK_SRC_RC_FAST:
PCR.mspi_conf.mspi_clk_sel = 1;
break;
case FLASH_CLK_SRC_PLL_F64M:
PCR.mspi_conf.mspi_clk_sel = 2;
break;
case FLASH_CLK_SRC_PLL_F48M:
PCR.mspi_conf.mspi_clk_sel = 3;
break;
default:
HAL_ASSERT(false);
}
}
#ifdef __cplusplus
}
#endif
@@ -1,189 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The ll is not public api, don't use in application code.
* See readme.md in hal/include/hal/readme.md
******************************************************************************/
// The Lowlevel layer for SPI Flash Encryption.
#pragma once
#include <stdbool.h>
#include <string.h>
#include "soc/hp_system_reg.h"
#include "soc/xts_aes_reg.h"
#include "soc/soc.h"
#include "soc/soc_caps.h"
#include "hal/assert.h"
#include "hal/spi_flash_encrypt_types.h"
#include "hal/efuse_hal.h"
#include "soc/chip_revision.h"
#ifdef __cplusplus
extern "C" {
#endif
/// Choose type of chip you want to encrypt manually
typedef enum
{
FLASH_ENCRYPTION_MANU = 0, ///!< Manually encrypt the flash chip.
PSRAM_ENCRYPTION_MANU = 1 ///!< Manually encrypt the psram chip.
} flash_encrypt_ll_type_t;
/**
* Enable the flash encryption function under spi boot mode and download boot mode.
*/
static inline void spi_flash_encrypt_ll_enable(void)
{
REG_SET_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYSTEM_ENABLE_DOWNLOAD_MANUAL_ENCRYPT |
HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
}
/*
* Disable the flash encryption mode.
*/
static inline void spi_flash_encrypt_ll_disable(void)
{
REG_CLR_BIT(HP_SYSTEM_EXTERNAL_DEVICE_ENCRYPT_DECRYPT_CONTROL_REG,
HP_SYSTEM_ENABLE_SPI_MANUAL_ENCRYPT);
}
/**
* Choose type of chip you want to encrypt manually
*
* @param type The type of chip to be encrypted
*
* @note The hardware currently support flash encryption.
*/
static inline void spi_flash_encrypt_ll_type(flash_encrypt_ll_type_t type)
{
// Our hardware only support flash encryption
HAL_ASSERT(type == FLASH_ENCRYPTION_MANU);
REG_SET_FIELD(XTS_AES_DESTINATION_REG(0), XTS_AES_DESTINATION, type);
}
/**
* Configure the data size of a single encryption.
*
* @param block_size Size of the desired block.
*/
static inline void spi_flash_encrypt_ll_buffer_length(uint32_t size)
{
// Desired block should not be larger than the block size.
REG_SET_FIELD(XTS_AES_LINESIZE_REG(0), XTS_AES_LINESIZE, size >> 5);
}
/**
* Save 32-bit piece of plaintext.
*
* @param address the address of written flash partition.
* @param buffer Buffer to store the input data.
* @param size Buffer size.
*
*/
static inline void spi_flash_encrypt_ll_plaintext_save(uint32_t address, const uint32_t* buffer, uint32_t size)
{
uint32_t plaintext_offs = (address % SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
HAL_ASSERT(plaintext_offs + size <= SOC_FLASH_ENCRYPTED_XTS_AES_BLOCK_MAX);
memcpy((void *)(XTS_AES_PLAIN_MEM(0) + plaintext_offs), buffer, size);
}
/**
* Copy the flash address to XTS_AES physical address
*
* @param flash_addr flash address to write.
*/
static inline void spi_flash_encrypt_ll_address_save(uint32_t flash_addr)
{
REG_SET_FIELD(XTS_AES_PHYSICAL_ADDRESS_REG(0), XTS_AES_PHYSICAL_ADDRESS, flash_addr);
}
/**
* Start flash encryption
*/
static inline void spi_flash_encrypt_ll_calculate_start(void)
{
REG_SET_FIELD(XTS_AES_TRIGGER_REG(0), XTS_AES_TRIGGER, 1);
}
/**
* Wait for flash encryption termination
*/
static inline void spi_flash_encrypt_ll_calculate_wait_idle(void)
{
while(REG_GET_FIELD(XTS_AES_STATE_REG(0), XTS_AES_STATE) == 0x1) {
}
}
/**
* Finish the flash encryption and make encrypted result accessible to SPI.
*/
static inline void spi_flash_encrypt_ll_done(void)
{
REG_SET_BIT(XTS_AES_RELEASE_REG(0), XTS_AES_RELEASE);
while(REG_GET_FIELD(XTS_AES_STATE_REG(0), XTS_AES_STATE) != 0x3) {
}
}
/**
* Set to destroy encrypted result
*/
static inline void spi_flash_encrypt_ll_destroy(void)
{
REG_SET_BIT(XTS_AES_DESTROY_REG(0), XTS_AES_DESTROY);
}
/**
* Check if is qualified to encrypt the buffer
*
* @param address the address of written flash partition.
* @param length Buffer size.
*/
static inline bool spi_flash_encrypt_ll_check(uint32_t address, uint32_t length)
{
return ((address % length) == 0) ? true : false;
}
/**
* @brief Enable the pseudo-round function during XTS-AES operations
*
* @param mode set the mode for pseudo rounds, zero to disable, with increasing security upto three.
* @param base basic number of pseudo rounds, zero if disable
* @param increment increment number of pseudo rounds, zero if disable
* @param key_rng_cnt update frequency of the pseudo-key, zero if disable
*/
static inline void spi_flash_encrypt_ll_enable_pseudo_rounds(esp_xts_aes_psuedo_rounds_state_t mode, uint8_t base, uint8_t increment, uint8_t key_rng_cnt)
{
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_MODE_PSEUDO, mode);
if (mode != ESP_XTS_AES_PSEUDO_ROUNDS_DISABLE) {
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_BASE, base);
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_INC, increment);
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_RNG_CNT, key_rng_cnt);
} else {
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_BASE, 0);
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_INC, 0);
REG_SET_FIELD(XTS_AES_PSEUDO_ROUND_CONF_REG(0), XTS_AES_PSEUDO_RNG_CNT, 0);
}
}
/**
* @brief Check if the pseudo round function is supported
* The XTS-AES pseudo round function is only avliable in chip version
* above 1.2 in ESP32-H2
*/
static inline bool spi_flash_encrypt_ll_is_pseudo_rounds_function_supported(void)
{
return ESP_CHIP_REV_ABOVE(efuse_hal_chip_revision(), 102);
}
#ifdef __cplusplus
}
#endif
@@ -1,108 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The ll is not public api, don't use in application code.
* See readme.md in soc/include/hal/readme.md
******************************************************************************/
// The Lowlevel layer for SPI Flash
#pragma once
#include "gpspi_flash_ll.h"
#include "spimem_flash_ll.h"
#ifdef __cplusplus
extern "C" {
#endif
#define spi_flash_ll_calculate_clock_reg(host_id, clock_div) (((host_id)<=SPI1_HOST) ? spimem_flash_ll_calculate_clock_reg(clock_div) \
: gpspi_flash_ll_calculate_clock_reg(clock_div))
#define spi_flash_ll_get_source_clock_freq_mhz(host_id) (((host_id)<=SPI1_HOST) ? spimem_flash_ll_get_source_freq_mhz() : -1)
#define spi_flash_ll_get_hw(host_id) (((host_id)<=SPI1_HOST ? (spi_dev_t*) spimem_flash_ll_get_hw(host_id) \
: gpspi_flash_ll_get_hw(host_id)))
#define spi_flash_ll_hw_get_id(dev) ({int dev_id = spimem_flash_ll_hw_get_id(dev); \
if (dev_id < 0) {\
dev_id = gpspi_flash_ll_hw_get_id(dev);\
}\
dev_id; \
})
// Since ESP32-H2, WB_mode is available, we extend 8 bits to occupy `Continuous Read Mode` bits.
#define SPI_FLASH_LL_CONTINUOUS_MODE_BIT_NUMS (8)
typedef union {
gpspi_flash_ll_clock_reg_t gpspi;
spimem_flash_ll_clock_reg_t spimem;
} spi_flash_ll_clock_reg_t;
#define SPIMEM_LL_APB SPIMEM1
#define SPIMEM_LL_CACHE SPIMEM0
#ifdef GPSPI_BUILD
#define spi_flash_ll_reset(dev) gpspi_flash_ll_reset((spi_dev_t*)dev)
#define spi_flash_ll_cmd_is_done(dev) gpspi_flash_ll_cmd_is_done((spi_dev_t*)dev)
#define spi_flash_ll_get_buffer_data(dev, buffer, read_len) gpspi_flash_ll_get_buffer_data((spi_dev_t*)dev, buffer, read_len)
#define spi_flash_ll_set_buffer_data(dev, buffer, len) gpspi_flash_ll_set_buffer_data((spi_dev_t*)dev, buffer, len)
#define spi_flash_ll_user_start(dev, pe_ops) gpspi_flash_ll_user_start((spi_dev_t*)dev, pe_ops)
#define spi_flash_ll_host_idle(dev) gpspi_flash_ll_host_idle((spi_dev_t*)dev)
#define spi_flash_ll_read_phase(dev) gpspi_flash_ll_read_phase((spi_dev_t*)dev)
#define spi_flash_ll_set_cs_pin(dev, pin) gpspi_flash_ll_set_cs_pin((spi_dev_t*)dev, pin)
#define spi_flash_ll_set_read_mode(dev, read_mode) gpspi_flash_ll_set_read_mode((spi_dev_t*)dev, read_mode)
#define spi_flash_ll_set_clock(dev, clk) gpspi_flash_ll_set_clock((spi_dev_t*)dev, (gpspi_flash_ll_clock_reg_t*)clk)
#define spi_flash_ll_set_miso_bitlen(dev, bitlen) gpspi_flash_ll_set_miso_bitlen((spi_dev_t*)dev, bitlen)
#define spi_flash_ll_set_mosi_bitlen(dev, bitlen) gpspi_flash_ll_set_mosi_bitlen((spi_dev_t*)dev, bitlen)
#define spi_flash_ll_set_command(dev, cmd, bitlen) gpspi_flash_ll_set_command((spi_dev_t*)dev, cmd, bitlen)
#define spi_flash_ll_set_addr_bitlen(dev, bitlen) gpspi_flash_ll_set_addr_bitlen((spi_dev_t*)dev, bitlen)
#define spi_flash_ll_get_addr_bitlen(dev) gpspi_flash_ll_get_addr_bitlen((spi_dev_t*)dev)
#define spi_flash_ll_set_address(dev, addr) gpspi_flash_ll_set_address((spi_dev_t*)dev, addr)
#define spi_flash_ll_set_usr_address(dev, addr, bitlen) gpspi_flash_ll_set_usr_address((spi_dev_t*)dev, addr, bitlen)
#define spi_flash_ll_set_dummy(dev, dummy) gpspi_flash_ll_set_dummy((spi_dev_t*)dev, dummy)
#define spi_flash_ll_set_hold(dev, hold_n) gpspi_flash_ll_set_hold((spi_dev_t*)dev, hold_n)
#define spi_flash_ll_set_cs_setup(dev, cs_setup_time) gpspi_flash_ll_set_cs_setup((spi_dev_t*)dev, cs_setup_time)
#define spi_flash_ll_set_extra_address(dev, extra_addr) { /* Not supported on gpspi on ESP32-H2*/ }
#else
#define spi_flash_ll_reset(dev) spimem_flash_ll_reset((spi_mem_dev_t*)dev)
#define spi_flash_ll_cmd_is_done(dev) spimem_flash_ll_cmd_is_done((spi_mem_dev_t*)dev)
#define spi_flash_ll_erase_chip(dev) spimem_flash_ll_erase_chip((spi_mem_dev_t*)dev)
#define spi_flash_ll_erase_sector(dev) spimem_flash_ll_erase_sector((spi_mem_dev_t*)dev)
#define spi_flash_ll_erase_block(dev) spimem_flash_ll_erase_block((spi_mem_dev_t*)dev)
#define spi_flash_ll_set_write_protect(dev, wp) spimem_flash_ll_set_write_protect((spi_mem_dev_t*)dev, wp)
#define spi_flash_ll_get_buffer_data(dev, buffer, read_len) spimem_flash_ll_get_buffer_data((spi_mem_dev_t*)dev, buffer, read_len)
#define spi_flash_ll_set_buffer_data(dev, buffer, len) spimem_flash_ll_set_buffer_data((spi_mem_dev_t*)dev, buffer, len)
#define spi_flash_ll_program_page(dev, buffer, len) spimem_flash_ll_program_page((spi_mem_dev_t*)dev, buffer, len)
#define spi_flash_ll_user_start(dev, pe_ops) spimem_flash_ll_user_start((spi_mem_dev_t*)dev, pe_ops)
#define spi_flash_ll_host_idle(dev) spimem_flash_ll_host_idle((spi_mem_dev_t*)dev)
#define spi_flash_ll_read_phase(dev) spimem_flash_ll_read_phase((spi_mem_dev_t*)dev)
#define spi_flash_ll_set_cs_pin(dev, pin) spimem_flash_ll_set_cs_pin((spi_mem_dev_t*)dev, pin)
#define spi_flash_ll_set_read_mode(dev, read_mode) spimem_flash_ll_set_read_mode((spi_mem_dev_t*)dev, read_mode)
#define spi_flash_ll_set_clock(dev, clk) spimem_flash_ll_set_clock((spi_mem_dev_t*)dev, (spimem_flash_ll_clock_reg_t*)clk)
#define spi_flash_ll_set_miso_bitlen(dev, bitlen) spimem_flash_ll_set_miso_bitlen((spi_mem_dev_t*)dev, bitlen)
#define spi_flash_ll_set_mosi_bitlen(dev, bitlen) spimem_flash_ll_set_mosi_bitlen((spi_mem_dev_t*)dev, bitlen)
#define spi_flash_ll_set_command(dev, cmd, bitlen) spimem_flash_ll_set_command((spi_mem_dev_t*)dev, cmd, bitlen)
#define spi_flash_ll_set_addr_bitlen(dev, bitlen) spimem_flash_ll_set_addr_bitlen((spi_mem_dev_t*)dev, bitlen)
#define spi_flash_ll_get_addr_bitlen(dev) spimem_flash_ll_get_addr_bitlen((spi_mem_dev_t*) dev)
#define spi_flash_ll_set_address(dev, addr) spimem_flash_ll_set_address((spi_mem_dev_t*)dev, addr)
#define spi_flash_ll_set_usr_address(dev, addr, bitlen) spimem_flash_ll_set_usr_address((spi_mem_dev_t*)dev, addr, bitlen)
#define spi_flash_ll_set_dummy(dev, dummy) spimem_flash_ll_set_dummy((spi_mem_dev_t*)dev, dummy)
#define spi_flash_ll_set_hold(dev, hold_n) spimem_flash_ll_set_hold((spi_mem_dev_t*)dev, hold_n)
#define spi_flash_ll_set_cs_setup(dev, cs_setup_time) spimem_flash_ll_set_cs_setup((spi_mem_dev_t*)dev, cs_setup_time)
#define spi_flash_ll_set_extra_address(dev, extra_addr) spimem_flash_ll_set_extra_address((spi_mem_dev_t*)dev, extra_addr)
#define spi_flash_ll_get_ctrl_val(dev) spimem_flash_ll_get_ctrl_val((spi_mem_dev_t*)dev)
#define spi_flash_ll_sync_reset() spimem_flash_ll_sync_reset()
#define spi_flash_ll_set_common_command_register_info(dev, ctrl_reg, user_reg, user1_reg, user2_reg) spimem_flash_ll_set_common_command_register_info((spi_mem_dev_t*)dev, ctrl_reg, user_reg, user1_reg, user2_reg)
#define spi_flash_ll_get_common_command_register_info(dev, ctrl_reg, user_reg, user1_reg, user2_reg) spimem_flash_ll_get_common_command_register_info((spi_mem_dev_t*)dev, ctrl_reg, user_reg, user1_reg, user2_reg)
#endif
#ifdef __cplusplus
}
#endif
@@ -1,808 +0,0 @@
/*
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*******************************************************************************
* NOTICE
* The ll is not public api, don't use in application code.
* See readme.md in soc/include/hal/readme.md
******************************************************************************/
// The Lowlevel layer for SPI Flash
#pragma once
#include <stdlib.h>
#include <sys/param.h> // For MIN/MAX
#include <stdbool.h>
#include <string.h>
#include "soc/spi_periph.h"
#include "soc/spi_mem_struct.h"
#include "hal/assert.h"
#include "hal/spi_types.h"
#include "hal/spi_flash_types.h"
#include "soc/pcr_struct.h"
#include "soc/clk_tree_defs.h"
#include "hal/misc.h"
#ifdef __cplusplus
extern "C" {
#endif
#define spimem_flash_ll_get_hw(host_id) (((host_id)==SPI1_HOST ? &SPIMEM1 : NULL ))
#define spimem_flash_ll_hw_get_id(dev) ((dev) == (void*)&SPIMEM1? SPI1_HOST: -1)
#define SPIMEM_FLASH_LL_SPI0_MAX_LOCK_VAL_MSPI_TICKS (0x1f)
typedef typeof(SPIMEM1.clock.val) spimem_flash_ll_clock_reg_t;
/*------------------------------------------------------------------------------
* Control
*----------------------------------------------------------------------------*/
/**
* Reset peripheral registers before configuration and starting control
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_reset(spi_mem_dev_t *dev)
{
dev->user.val = 0;
dev->ctrl.val = 0;
}
/**
* Check whether the previous operation is done.
*
* @param dev Beginning address of the peripheral registers.
*
* @return true if last command is done, otherwise false.
*/
static inline bool spimem_flash_ll_cmd_is_done(const spi_mem_dev_t *dev)
{
return (dev->cmd.val == 0);
}
/**
* Erase the flash chip.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_erase_chip(spi_mem_dev_t *dev)
{
dev->cmd.flash_ce = 1;
}
/**
* Erase the sector, the address should be set by spimem_flash_ll_set_address.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_erase_sector(spi_mem_dev_t *dev)
{
dev->ctrl.val = 0;
dev->cmd.flash_se = 1;
}
/**
* Erase the block, the address should be set by spimem_flash_ll_set_address.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_erase_block(spi_mem_dev_t *dev)
{
dev->cmd.flash_be = 1;
}
/**
* Suspend erase/program operation.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_suspend(spi_mem_dev_t *dev)
{
dev->flash_sus_ctrl.flash_pes = 1;
}
/**
* Resume suspended erase/program operation.
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_resume(spi_mem_dev_t *dev)
{
dev->flash_sus_ctrl.flash_per = 1;
}
/**
* Initialize auto suspend mode, and esp32H2 doesn't support disable auto-suspend.
*
* @param dev Beginning address of the peripheral registers.
* @param auto_sus Enable/disable Flash Auto-Suspend.
*/
static inline void spimem_flash_ll_auto_suspend_init(spi_mem_dev_t *dev, bool auto_sus)
{
dev->flash_sus_ctrl.flash_pes_en = auto_sus;
}
/**
* Initialize auto resume mode
*
* @param dev Beginning address of the peripheral registers.
* @param auto_res Enable/Disable Flash Auto-Resume.
*
*/
static inline void spimem_flash_ll_auto_resume_init(spi_mem_dev_t *dev, bool auto_res)
{
dev->flash_sus_ctrl.pes_per_en = auto_res;
}
/**
* Setup the flash suspend command, may vary from chips to chips.
*
* @param dev Beginning address of the peripheral registers.
* @param sus_cmd Flash suspend command.
*
*/
static inline void spimem_flash_ll_suspend_cmd_setup(spi_mem_dev_t *dev, uint32_t sus_cmd)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->flash_sus_cmd, flash_pes_command, sus_cmd);
}
/**
* Setup the flash resume command, may vary from chips to chips.
*
* @param dev Beginning address of the peripheral registers.
* @param res_cmd Flash resume command.
*
*/
static inline void spimem_flash_ll_resume_cmd_setup(spi_mem_dev_t *dev, uint32_t res_cmd)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->sus_status, flash_per_command, res_cmd);
}
/**
* Setup the flash read suspend status command, may vary from chips to chips.
*
* @param dev Beginning address of the peripheral registers.
* @param pesr_cmd Flash read suspend status command.
*
*/
static inline void spimem_flash_ll_rd_sus_cmd_setup(spi_mem_dev_t *dev, uint32_t pesr_cmd)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->flash_sus_cmd, wait_pesr_command, pesr_cmd);
}
/**
* Setup to check SUS/SUS1/SUS2 to ensure the suspend status of flashs.
*
* @param dev Beginning address of the peripheral registers.
* @param sus_check_sus_en 1: enable, 0: disable.
*
*/
static inline void spimem_flash_ll_sus_check_sus_setup(spi_mem_dev_t *dev, bool sus_check_sus_en)
{
dev->flash_sus_ctrl.sus_timeout_cnt = 5;
dev->flash_sus_ctrl.pes_end_en = sus_check_sus_en;
}
/**
* Setup to check SUS/SUS1/SUS2 to ensure the resume status of flashs.
*
* @param dev Beginning address of the peripheral registers.
* @param sus_check_sus_en 1: enable, 0: disable.
*
*/
static inline void spimem_flash_ll_res_check_sus_setup(spi_mem_dev_t *dev, bool res_check_sus_en)
{
dev->flash_sus_ctrl.sus_timeout_cnt = 5;
dev->flash_sus_ctrl.per_end_en = res_check_sus_en;
}
/**
* Set 8 bit command to read suspend status
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_set_read_sus_status(spi_mem_dev_t *dev, uint32_t sus_conf)
{
dev->flash_sus_ctrl.frd_sus_2b = 0;
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->flash_sus_ctrl, pesr_end_msk, sus_conf);
}
/**
* Configure the delay after Suspend/Resume
*
* @param dev Beginning address of the peripheral registers.
* @param dly_val delay time
*/
static inline void spimem_flash_ll_set_sus_delay(spi_mem_dev_t *dev, uint32_t dly_val)
{
dev->ctrl1.cs_hold_dly_res = dly_val;
dev->sus_status.flash_per_dly_128 = 1;
dev->sus_status.flash_pes_dly_128 = 1;
}
/**
* Configure the cs hold delay time(used to set the minimum CS high time tSHSL)
*
* @param dev Beginning address of the peripheral registers.
* @param cs_hold_delay cs hold delay time
*/
static inline void spimem_flash_set_cs_hold_delay(spi_mem_dev_t *dev, uint32_t cs_hold_delay)
{
SPIMEM0.ctrl2.cs_hold_delay = cs_hold_delay;
}
/**
* Initialize auto wait idle mode
*
* @param dev Beginning address of the peripheral registers.
* @param per_waiti Enable wait-idle with time delay function after resume.
* @param pes_waiti Enable wait-idle with time delay function after suspend.
*/
static inline void spimem_flash_ll_auto_wait_idle_init(spi_mem_dev_t *dev, bool per_waiti, bool pes_waiti)
{
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->flash_waiti_ctrl, waiti_cmd, 0x05);
dev->flash_sus_ctrl.flash_per_wait_en = per_waiti;
dev->flash_sus_ctrl.flash_pes_wait_en = pes_waiti;
}
/**
* This function is used to set dummy phase when auto suspend is enabled.
*
* @note This function is only used when timing tuning is enabled.
*
* @param dev Beginning address of the peripheral registers.
* @param extra_dummy extra dummy length. Get from timing tuning.
*/
static inline void spimem_flash_ll_set_wait_idle_dummy_phase(spi_mem_dev_t *dev, uint32_t extra_dummy)
{
// Not supported on this chip.
}
/**
* Return the suspend status of erase or program operations.
*
* @param dev Beginning address of the peripheral registers.
*
* @return true if suspended, otherwise false.
*/
static inline bool spimem_flash_ll_sus_status(spi_mem_dev_t *dev)
{
return dev->sus_status.flash_sus;
}
/**
* @brief Set lock for SPI0 so that spi0 can request new cache request after a cache transfer.
*
* @param dev Beginning address of the peripheral registers.
* @param lock_time Lock delay time
*/
static inline void spimem_flash_ll_sus_set_spi0_lock_trans(spi_mem_dev_t *dev, uint32_t lock_time)
{
dev->sus_status.spi0_lock_en = 1;
SPIMEM0.fsm.lock_delay_time = lock_time;
}
/**
* @brief Get tsus unit values in SPI_CLK cycles
*
* @param dev Beginning address of the peripheral registers.
* @return uint32_t tsus unit values
*/
static inline uint32_t spimem_flash_ll_get_tsus_unit_in_cycles(spi_mem_dev_t *dev)
{
uint32_t tsus_unit = 0;
if (dev->sus_status.flash_pes_dly_128 == 1) {
tsus_unit = 128;
} else {
tsus_unit = 4;
}
return tsus_unit;
}
/**
* Enable/disable write protection for the flash chip.
*
* @param dev Beginning address of the peripheral registers.
* @param wp true to enable the protection, false to disable (write enable).
*/
static inline void spimem_flash_ll_set_write_protect(spi_mem_dev_t *dev, bool wp)
{
if (wp) {
dev->cmd.flash_wrdi = 1;
} else {
dev->cmd.flash_wren = 1;
}
}
/**
* Get the read data from the buffer after ``spimem_flash_ll_read`` is done.
*
* @param dev Beginning address of the peripheral registers.
* @param buffer Buffer to hold the output data
* @param read_len Length to get out of the buffer
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_get_buffer_data(spi_mem_dev_t *dev, void *buffer, uint32_t read_len)
{
if (((intptr_t)buffer % 4 == 0) && (read_len % 4 == 0)) {
// If everything is word-aligned, do a faster memcpy
memcpy(buffer, (void *)dev->data_buf, read_len);
} else {
// Otherwise, slow(er) path copies word by word
int copy_len = read_len;
for (int i = 0; i < (read_len + 3) / 4; i++) {
int word_len = MIN(sizeof(uint32_t), copy_len);
uint32_t word = dev->data_buf[i];
memcpy(buffer, &word, word_len);
buffer = (void *)((intptr_t)buffer + word_len);
copy_len -= word_len;
}
}
}
/**
* Set the data to be written in the data buffer.
*
* @param dev Beginning address of the peripheral registers.
* @param buffer Buffer holding the data
* @param length Length of data in bytes.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_set_buffer_data(spi_mem_dev_t *dev, const void *buffer, uint32_t length)
{
// Load data registers, word at a time
int num_words = (length + 3) / 4;
for (int i = 0; i < num_words; i++) {
uint32_t word = 0;
uint32_t word_len = MIN(length, sizeof(word));
memcpy(&word, buffer, word_len);
dev->data_buf[i] = word;
length -= word_len;
buffer = (void *)((intptr_t)buffer + word_len);
}
}
/**
* Program a page of the flash chip. Call ``spimem_flash_ll_set_address`` before
* this to set the address to program.
*
* @param dev Beginning address of the peripheral registers.
* @param buffer Buffer holding the data to program
* @param length Length to program.
*/
static inline void spimem_flash_ll_program_page(spi_mem_dev_t *dev, const void *buffer, uint32_t length)
{
dev->user.usr_dummy = 0;
spimem_flash_ll_set_buffer_data(dev, buffer, length);
dev->cmd.flash_pp = 1;
}
/**
* Trigger a user defined transaction. All phases, including command, address, dummy, and the data phases,
* should be configured before this is called.
*
* @param dev Beginning address of the peripheral registers.
* @param pe_ops Is page program/erase operation or not.
*/
static inline void spimem_flash_ll_user_start(spi_mem_dev_t *dev, bool pe_ops)
{
uint32_t usr_pe = (pe_ops ? 0x60000 : 0x40000);
dev->cmd.val |= usr_pe;
}
/**
* Check whether the host is idle to perform new commands.
*
* @param dev Beginning address of the peripheral registers.
*
* @return true if the host is idle, otherwise false
*/
static inline bool spimem_flash_ll_host_idle(const spi_mem_dev_t *dev)
{
return dev->cmd.mst_st == 0;
}
/**
* Set phases for user-defined transaction to read
*
* @param dev Beginning address of the peripheral registers.
*/
static inline void spimem_flash_ll_read_phase(spi_mem_dev_t *dev)
{
typeof(dev->user) user = {};
user.usr_mosi = 0;
user.usr_miso = 1;
user.usr_addr = 1;
user.usr_command = 1;
dev->user.val = user.val;
}
/*------------------------------------------------------------------------------
* Configs
*----------------------------------------------------------------------------*/
/**
* Select which pin to use for the flash
*
* @param dev Beginning address of the peripheral registers.
* @param pin Pin ID to use, 0-2. Set to other values to disable all the CS pins.
*/
static inline void spimem_flash_ll_set_cs_pin(spi_mem_dev_t *dev, int pin)
{
dev->misc.cs0_dis = (pin == 0) ? 0 : 1;
dev->misc.cs1_dis = (pin == 1) ? 0 : 1;
}
/**
* Set the read io mode.
*
* @param dev Beginning address of the peripheral registers.
* @param read_mode I/O mode to use in the following transactions.
*/
static inline void spimem_flash_ll_set_read_mode(spi_mem_dev_t *dev, esp_flash_io_mode_t read_mode)
{
typeof(dev->ctrl) ctrl;
ctrl.val = dev->ctrl.val;
ctrl.val &= ~(SPI_MEM_FREAD_QIO_M | SPI_MEM_FREAD_QUAD_M | SPI_MEM_FREAD_DIO_M | SPI_MEM_FREAD_DUAL_M);
ctrl.val |= SPI_MEM_FASTRD_MODE_M;
switch (read_mode) {
case SPI_FLASH_FASTRD:
//the default option
break;
case SPI_FLASH_QIO:
ctrl.fread_qio = 1;
break;
case SPI_FLASH_QOUT:
ctrl.fread_quad = 1;
break;
case SPI_FLASH_DIO:
ctrl.fread_dio = 1;
break;
case SPI_FLASH_DOUT:
ctrl.fread_dual = 1;
break;
case SPI_FLASH_SLOWRD:
ctrl.fastrd_mode = 0;
break;
default:
abort();
}
dev->ctrl.val = ctrl.val;
}
/**
* Set clock frequency to work at.
*
* @param dev Beginning address of the peripheral registers.
* @param clock_val pointer to the clock value to set
*/
static inline void spimem_flash_ll_set_clock(spi_mem_dev_t *dev, spimem_flash_ll_clock_reg_t *clock_val)
{
dev->clock.val = *clock_val;
}
/**
* Set the input length, in bits.
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of input, in bits.
*/
static inline void spimem_flash_ll_set_miso_bitlen(spi_mem_dev_t *dev, uint32_t bitlen)
{
dev->user.usr_miso = bitlen > 0;
dev->miso_dlen.usr_miso_bit_len = bitlen ? (bitlen - 1) : 0;
}
/**
* Set the output length, in bits (not including command, address and dummy
* phases)
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of output, in bits.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_set_mosi_bitlen(spi_mem_dev_t *dev, uint32_t bitlen)
{
dev->user.usr_mosi = bitlen > 0;
dev->mosi_dlen.usr_mosi_bit_len = bitlen ? (bitlen - 1) : 0;
}
/**
* Set the command.
*
* @param dev Beginning address of the peripheral registers.
* @param command Command to send
* @param bitlen Length of the command
*/
static inline void spimem_flash_ll_set_command(spi_mem_dev_t *dev, uint32_t command, uint32_t bitlen)
{
dev->user.usr_command = 1;
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->user2, usr_command_value, command);
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->user2, usr_command_bitlen, (bitlen - 1));
}
/**
* Get the address length that is set in register, in bits.
*
* @param dev Beginning address of the peripheral registers.
*
*/
static inline int spimem_flash_ll_get_addr_bitlen(spi_mem_dev_t *dev)
{
return dev->user.usr_addr ? dev->user1.usr_addr_bitlen + 1 : 0;
}
/**
* Set the address length to send, in bits. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param bitlen Length of the address, in bits
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_set_addr_bitlen(spi_mem_dev_t *dev, uint32_t bitlen)
{
dev->user1.usr_addr_bitlen = (bitlen - 1);
dev->user.usr_addr = bitlen ? 1 : 0;
}
/**
* Set extra address for bits M0-M7 in DIO/QIO mode.
*
* @param dev Beginning address of the peripheral registers.
* @param extra_addr extra address(M0-M7) to send.
*/
static inline void spimem_flash_ll_set_extra_address(spi_mem_dev_t *dev, uint32_t extra_addr)
{
dev->cache_fctrl.usr_addr_4byte = 0;
HAL_FORCE_MODIFY_U32_REG_FIELD(dev->rd_status, wb_mode, extra_addr);
}
/**
* Set the address to send. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param addr Address to send
*/
static inline void spimem_flash_ll_set_address(spi_mem_dev_t *dev, uint32_t addr)
{
dev->addr = addr;
}
/**
* Set the address to send in user mode. Should be called before commands that requires the address e.g. erase sector, read, write...
*
* @param dev Beginning address of the peripheral registers.
* @param addr Address to send
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_set_usr_address(spi_mem_dev_t *dev, uint32_t addr, uint32_t bitlen)
{
(void)bitlen;
spimem_flash_ll_set_address(dev, addr);
}
/**
* Set the length of dummy cycles.
*
* @param dev Beginning address of the peripheral registers.
* @param dummy_n Cycles of dummy phases
*/
static inline void spimem_flash_ll_set_dummy(spi_mem_dev_t *dev, uint32_t dummy_n)
{
dev->user.usr_dummy = dummy_n ? 1 : 0;
if (dummy_n > 0) {
dev->user1.usr_dummy_cyclelen = dummy_n - 1;
}
}
/**
* Set CS hold time.
*
* @param dev Beginning address of the peripheral registers.
* @param hold_n CS hold time config used by the host.
*/
static inline void spimem_flash_ll_set_hold(spi_mem_dev_t *dev, uint32_t hold_n)
{
dev->ctrl2.cs_hold_time = hold_n - 1;
dev->user.cs_hold = (hold_n > 0 ? 1 : 0);
}
static inline void spimem_flash_ll_set_cs_setup(spi_mem_dev_t *dev, uint32_t cs_setup_time)
{
dev->user.cs_setup = (cs_setup_time > 0 ? 1 : 0);
dev->ctrl2.cs_setup_time = cs_setup_time - 1;
}
/**
* Get the spi flash source clock frequency. Used for calculating
* the divider parameters.
*
* @param None
*
* @return the frequency of spi flash clock source.(MHz)
*/
static inline uint8_t spimem_flash_ll_get_source_freq_mhz(void)
{
uint8_t clock_val = 0;
switch (PCR.mspi_conf.mspi_clk_sel) {
case 0:
clock_val = 32;
break;
case 1:
clock_val = 8;
break;
case 2:
clock_val = 64;
break;
case 3:
clock_val = 32;
break;
default:
HAL_ASSERT(false);
}
return clock_val;
}
/**
* Calculate spi_flash clock frequency division parameters for register.
*
* @param clkdiv frequency division factor
*
* @return Register setting for the given clock division factor.
*/
static inline uint32_t spimem_flash_ll_calculate_clock_reg(uint8_t clkdiv)
{
uint32_t div_parameter;
// See comments of `clock` in `spi_mem_struct.h`
if (clkdiv == 1) {
div_parameter = (1 << 31);
} else {
div_parameter = ((clkdiv - 1) | (((clkdiv - 1) / 2 & 0xff) << 8) | (((clkdiv - 1) & 0xff) << 16));
}
return div_parameter;
}
/**
* @brief Write protect signal output when SPI is idle
* @param level 1: 1: output high, 0: output low
*/
static inline void spimem_flash_ll_set_wp_level(spi_mem_dev_t *dev, bool level)
{
dev->ctrl.wp = level;
}
/**
* @brief Get the ctrl value of mspi
*
* @return uint32_t The value of ctrl register
*/
static inline uint32_t spimem_flash_ll_get_ctrl_val(spi_mem_dev_t *dev)
{
return dev->ctrl.val;
}
/**
* @brief Reset whole memory spi
*/
static inline void spimem_flash_ll_sync_reset(void)
{
SPIMEM1.ctrl2.sync_reset = 0;
SPIMEM0.ctrl2.sync_reset = 0;
SPIMEM1.ctrl2.sync_reset = 1;
SPIMEM0.ctrl2.sync_reset = 1;
SPIMEM1.ctrl2.sync_reset = 0;
SPIMEM0.ctrl2.sync_reset = 0;
}
/**
* @brief Get common command related registers
*
* @param ctrl_reg ctrl_reg
* @param user_reg user_reg
* @param user1_reg user1_reg
* @param user2_reg user2_reg
*/
static inline void spimem_flash_ll_get_common_command_register_info(spi_mem_dev_t *dev, uint32_t *ctrl_reg, uint32_t *user_reg, uint32_t *user1_reg, uint32_t *user2_reg)
{
*ctrl_reg = dev->ctrl.val;
*user_reg = dev->user.val;
*user1_reg = dev->user1.val;
*user2_reg = dev->user2.val;
}
/**
* @brief Set common command related registers
*
* @param ctrl_reg ctrl_reg
* @param user_reg user_reg
* @param user1_reg user1_reg
* @param user2_reg user2_reg
*/
static inline void spimem_flash_ll_set_common_command_register_info(spi_mem_dev_t *dev, uint32_t ctrl_reg, uint32_t user_reg, uint32_t user1_reg, uint32_t user2_reg)
{
dev->ctrl.val = ctrl_reg;
dev->user.val = user_reg;
dev->user1.val = user1_reg;
dev->user2.val = user2_reg;
}
#define SPIMEM_FLASH_LL_SUSPEND_END_INTR SPI_MEM_PES_END_INT_ENA_M
#define SPIMEM_FLASH_LL_INTERRUPT_SOURCE ETS_MSPI_INTR_SOURCE
/**
* @brief Get the address of the interrupt status register.
*
* This function returns a pointer to the interrupt status register of the SPI memory device.
*
* @param[in] dev Pointer to the SPI memory device structure.
* @return volatile void* Pointer to the interrupt status register.
*/
static inline volatile void *spimem_flash_ll_get_interrupt_status_reg(spi_mem_dev_t *dev)
{
return &dev->int_st;
}
/**
* @brief Clear specific interrupt status bits.
*
* This function clears the specified interrupt bits in the interrupt clear register of the SPI memory device.
*
* @param[in] dev Pointer to the SPI memory device structure.
* @param[in] mask Bitmask specifying which interrupt bits to clear.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_clear_intr_mask(spi_mem_dev_t *dev, uint32_t mask)
{
dev->int_clr.val = mask;
}
/**
* @brief Enable specific interrupt bits.
*
* This function enables the specified interrupts in the interrupt enable register of the SPI memory device.
*
* @param[in] dev Pointer to the SPI memory device structure.
* @param[in] mask Bitmask specifying which interrupt bits to enable.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_enable_intr_mask(spi_mem_dev_t *dev, uint32_t mask)
{
dev->int_ena.val |= mask;
}
/**
* @brief Disable specific interrupt bits.
*
* This function disables the specified interrupts in the interrupt enable register of the SPI memory device.
*
* @param[in] dev Pointer to the SPI memory device structure.
* @param[in] mask Bitmask specifying which interrupt bits to disable.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_disable_intr_mask(spi_mem_dev_t *dev, uint32_t mask)
{
dev->int_ena.val &= (~mask);
}
/**
* @brief Get the current interrupt status.
*
* This function retrieves the current interrupt status from the interrupt status register of the SPI memory device.
*
* @param[in] dev Pointer to the SPI memory device structure.
* @param[out] intr_status Pointer to a variable where the interrupt status will be stored.
*/
__attribute__((always_inline))
static inline void spimem_flash_ll_get_intr_mask(spi_mem_dev_t *dev, uint32_t *intr_status)
{
*intr_status = dev->int_st.val;
}
#ifdef __cplusplus
}
#endif