components/spi_flash/spi_flash_chip_boya.c (ESP-IDF)

// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include <stdlib.h> #include "spi_flash_chip_generic.h" #include "spi_flash_chip_gd.h" #include "spi_flash_defs.h" esp_err_t spi_flash_chip_boya_probe(esp_flash_t *chip, uint32_t flash_id) { /* Check manufacturer and product IDs match our desired masks */ const uint8_t MFG_ID = 0x68; if (flash_id >> 16 != MFG_ID) { return ESP_ERR_NOT_FOUND; } const uint16_t FLASH_ID_MASK = 0xFF00; const uint16_t FLASH_ID_VALUE = 0x4000; if ((flash_id & FLASH_ID_MASK) != FLASH_ID_VALUE) { return ESP_ERR_NOT_FOUND; } return ESP_OK; } spi_flash_caps_t spi_flash_chip_boya_get_caps(esp_flash_t *chip) { spi_flash_caps_t caps_flags = 0; // 32-bit-address flash is not supported // flash-suspend is not supported // flash read unique id. caps_flags |= SPI_FLASH_CHIP_CAP_UNIQUE_ID; return caps_flags; } static const char chip_name[] = "boya"; // The BOYA chip can use the functions for generic chips except from set read mode and probe, // So we only replace these two functions. const spi_flash_chip_t esp_flash_chip_boya = { .name = chip_name, .timeout = &spi_flash_chip_generic_timeout, .probe = spi_flash_chip_boya_probe, .reset = spi_flash_chip_generic_reset, .detect_size = spi_flash_chip_generic_detect_size, .erase_chip = spi_flash_chip_generic_erase_chip, .erase_sector = spi_flash_chip_generic_erase_sector, .erase_block = spi_flash_chip_generic_erase_block, .sector_size = 4 * 1024, .block_erase_size = 64 * 1024, .get_chip_write_protect = spi_flash_chip_generic_get_write_protect, .set_chip_write_protect = spi_flash_chip_generic_set_write_protect, .num_protectable_regions = 0, .protectable_regions = NULL, .get_protected_regions = NULL, .set_protected_regions = NULL, .read = spi_flash_chip_generic_read, .write = spi_flash_chip_generic_write, .program_page = spi_flash_chip_generic_page_program, .page_size = 256, .write_encrypted = spi_flash_chip_generic_write_encrypted, .wait_idle = spi_flash_chip_generic_wait_idle, .set_io_mode = spi_flash_chip_generic_set_io_mode, .get_io_mode = spi_flash_chip_generic_get_io_mode, .read_reg = spi_flash_chip_generic_read_reg, .yield = spi_flash_chip_generic_yield, .sus_setup = spi_flash_chip_generic_suspend_cmd_conf, .read_unique_id = spi_flash_chip_generic_read_unique_id, .get_chip_caps = spi_flash_chip_boya_get_caps, .config_host_io_mode = spi_flash_chip_generic_config_host_io_mode, };