Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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/*
* Copyright (c) 2024-2025 Renesas Electronics Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_FLASH_SOC_FLASH_RENESAS_RA_HP_H_
#define ZEPHYR_DRIVERS_FLASH_SOC_FLASH_RENESAS_RA_HP_H_
#include <zephyr/drivers/flash.h>
#include <zephyr/sys/atomic.h>
#include <instances/r_flash_hp.h>
#include <api/r_flash_api.h>
#include <zephyr/drivers/flash/ra_flash_api_extensions.h>
#define FLASH_HP_CF_START_ADDRESS DT_REG_ADDR(DT_NODELABEL(flash0))
#define FLASH_HP_DF_START_ADDRESS DT_REG_ADDR(DT_NODELABEL(flash1))
#define FLASH_HP_CF_SIZE DT_REG_SIZE(DT_NODELABEL(flash0))
#define FLASH_HP_DF_SIZE DT_REG_SIZE(DT_NODELABEL(flash1))
#define FLASH_HP_VERSION DT_PROP(DT_PARENT(DT_NODELABEL(flash0)), flash_hardware_version)
#if (FLASH_HP_VERSION == 40)
#define FLASH_HP_CF_REGION0_BLOCKS_COUNT \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 0, pages_count)
#define FLASH_HP_CF_REGION0_BLOCK_SIZE \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 0, pages_size)
#define FLASH_HP_CF_REGION0_SIZE (FLASH_HP_CF_REGION0_BLOCKS_COUNT * FLASH_HP_CF_REGION0_BLOCK_SIZE)
BUILD_ASSERT(FLASH_HP_CF_REGION0_BLOCK_SIZE == BSP_FEATURE_FLASH_HP_CF_REGION0_BLOCK_SIZE,
"erase-block-size expected to be equal with block size");
#define FLASH_HP_CF_REGION1_BLOCKS_COUNT \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 1, pages_count)
#define FLASH_HP_CF_REGION1_BLOCK_SIZE \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 1, pages_size)
BUILD_ASSERT(FLASH_HP_CF_REGION1_BLOCK_SIZE == BSP_FEATURE_FLASH_HP_CF_REGION1_BLOCK_SIZE,
"erase-block-size expected to be equal with block size");
#define FLASH_HP_CF_LAYOUT_SIZE (2UL)
#define FLASH_HP_CF_END_BLOCK (FLASH_HP_CF_REGION0_BLOCKS_COUNT + FLASH_HP_CF_REGION1_BLOCKS_COUNT)
#elif (FLASH_HP_VERSION == 4)
#define FLASH_HP_CF_REGION0_BLOCKS_COUNT \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 0, pages_count)
#define FLASH_HP_CF_REGION0_BLOCK_SIZE \
DT_PHA_BY_IDX(DT_NODELABEL(flash0), erase_blocks, 0, pages_size)
#define FLASH_HP_CF_REGION0_SIZE (FLASH_HP_CF_REGION0_BLOCKS_COUNT * FLASH_HP_CF_REGION0_BLOCK_SIZE)
BUILD_ASSERT(FLASH_HP_CF_REGION0_BLOCK_SIZE == BSP_FEATURE_FLASH_HP_CF_REGION0_BLOCK_SIZE,
"erase-block-size expected to be equal with block size");
#define FLASH_HP_CF_LAYOUT_SIZE (1UL)
#define FLASH_HP_CF_END_BLOCK FLASH_HP_CF_REGION0_BLOCKS_COUNT
#endif
#define FLASH_HP_DF_LAYOUT_SIZE (1UL)
#define FLASH_HP_DF_BLOCK_SIZE DT_PROP(DT_NODELABEL(flash1), erase_block_size)
#define FLASH_HP_DF_BLOCKS_COUNT (FLASH_HP_DF_SIZE / FLASH_HP_DF_BLOCK_SIZE)
#define FLASH_HP_DF_END_BLOCK FLASH_HP_DF_BLOCKS_COUNT
BUILD_ASSERT(FLASH_HP_DF_BLOCK_SIZE == BSP_FEATURE_FLASH_HP_DF_BLOCK_SIZE,
"erase-block-size expected to be equal with block size");
#if defined(CONFIG_FLASH_EX_OP_ENABLED)
#define FLASH_HP_FCU_CONFIG_SET_BPS (0x1300A1C0U)
#define FLASH_HP_FCU_CONFIG_SET_BPS_SEC (0x0300A240U)
#define FLASH_HP_FCU_CONFIG_SET_BPS_SEL (0x0300A2C0U)
#define FLASH_HP_FCU_CONFIG_SET_PBPS (0x1300A1E0U)
#define FLASH_HP_FCU_CONFIG_SET_PBPS_SEC (0x0300A260U)
#endif /* CONFIG_FLASH_EX_OP_ENABLED */
/* Zero based offset into g_configuration_area_data[] for BPS */
#define FLASH_HP_FCU_CONFIG_SET_BPS_OFFSET (0U)
enum flash_region {
CODE_FLASH,
DATA_FLASH,
};
#if defined(CONFIG_FLASH_RENESAS_RA_HP_BGO)
#define FLASH_FLAG_ERASE_COMPLETE BIT(0)
#define FLASH_FLAG_WRITE_COMPLETE BIT(1)
#define FLASH_FLAG_GET_ERROR BIT(2)
#if defined(CONFIG_FLASH_RENESAS_RA_HP_CHECK_BEFORE_READING)
#define FLASH_FLAG_BLANK BIT(3)
#define FLASH_FLAG_NOT_BLANK BIT(4)
#endif /* CONFIG_FLASH_RENESAS_RA_HP_CHECK_BEFORE_READING */
#endif /* CONFIG_FLASH_RENESAS_RA_HP_BGO */
struct flash_hp_ra_controller {
struct st_flash_hp_instance_ctrl flash_ctrl;
struct k_sem ctrl_sem;
struct st_flash_cfg fsp_config;
atomic_t flags;
};
struct flash_hp_ra_data {
struct flash_hp_ra_controller *controller;
enum flash_region FlashRegion;
uint32_t area_address;
uint32_t area_size;
};
struct flash_hp_ra_config {
struct flash_parameters flash_ra_parameters;
};
#if defined(CONFIG_FLASH_RENESAS_RA_HP_WRITE_PROTECT)
int flash_ra_ex_op_write_protect(const struct device *dev, const uintptr_t in, void *out);
#endif /* CONFIG_FLASH_RENESAS_RA_HP_WRITE_PROTECT */
#endif /* ZEPHYR_DRIVERS_FLASH_SOC_FLASH_RENESAS_RA_HP_H_ */