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