139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
// Copyright 2015-2016 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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// 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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#ifndef __BOOT_CONFIG_H__
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#define __BOOT_CONFIG_H__
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define BOOT_VERSION "V0.1"
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#define SPI_SEC_SIZE 0x1000
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#define MEM_CACHE(offset) (uint8_t *)(0x3f400000 + (offset))
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#define CACHE_READ_32(offset) ((uint32_t *)(0x3f400000 + (offset)))
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#define PARTITION_ADD 0x4000
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#define PARTITION_MAGIC 0x50AA
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#define IROM_LOW 0x400D0000
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#define IROM_HIGH 0x40400000
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#define DROM_LOW 0x3F400000
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#define DROM_HIGH 0x3F800000
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/*spi mode,saved in third byte in flash */
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enum {
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SPI_MODE_QIO,
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SPI_MODE_QOUT,
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SPI_MODE_DIO,
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SPI_MODE_DOUT,
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SPI_MODE_FAST_READ,
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SPI_MODE_SLOW_READ
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};
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/* spi speed*/
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enum {
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SPI_SPEED_40M,
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SPI_SPEED_26M,
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SPI_SPEED_20M,
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SPI_SPEED_80M = 0xF
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};
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/*suppport flash size in esp32 */
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enum {
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SPI_SIZE_1MB = 0,
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SPI_SIZE_2MB,
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SPI_SIZE_4MB,
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SPI_SIZE_8MB,
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SPI_SIZE_16MB,
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SPI_SIZE_MAX
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};
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struct flash_hdr {
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char magic;
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char blocks;
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char spi_mode; /* flag of flash read mode in unpackage and usage in future */
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char spi_speed: 4; /* low bit */
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char spi_size: 4;
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unsigned int entry_addr;
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uint8_t encrypt_flag; /* encrypt flag */
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uint8_t secury_boot_flag; /* secury boot flag */
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char extra_header[14]; /* ESP32 additional header, unused by second bootloader */
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};
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/* each header of flash bin block */
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struct block_hdr {
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unsigned int load_addr;
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unsigned int data_len;
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};
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/* OTA selection structure (two copies in the OTA data partition.)
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Size of 32 bytes is friendly to flash encryption */
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typedef struct {
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uint32_t ota_seq;
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uint8_t seq_label[24];
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uint32_t crc; /* CRC32 of ota_seq field only */
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} ota_select;
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typedef struct {
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uint32_t offset;
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uint32_t size;
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} partition_pos_t;
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typedef struct {
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uint16_t magic;
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uint8_t type; /* partition Type */
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uint8_t subtype; /* part_subtype */
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partition_pos_t pos;
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uint8_t label[16]; /* label for the partition */
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uint8_t reserved[4]; /* reserved */
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} partition_info_t;
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#define PART_TYPE_APP 0x00
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#define PART_SUBTYPE_FACTORY 0x00
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#define PART_SUBTYPE_OTA_FLAG 0x10
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#define PART_SUBTYPE_OTA_MASK 0x0f
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#define PART_SUBTYPE_TEST 0x20
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#define PART_TYPE_DATA 0x01
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#define PART_SUBTYPE_DATA_OTA 0x00
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#define PART_SUBTYPE_DATA_RF 0x01
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#define PART_SUBTYPE_DATA_WIFI 0x02
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#define PART_TYPE_END 0xff
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#define PART_SUBTYPE_END 0xff
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#define SPI_ERROR_LOG "spi flash error"
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typedef struct {
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partition_pos_t ota_info;
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partition_pos_t factory;
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partition_pos_t test;
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partition_pos_t ota[16];
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uint32_t app_count;
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uint32_t selected_subtype;
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} bootloader_state_t;
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void boot_cache_redirect( uint32_t pos, size_t size );
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uint32_t get_bin_len(uint32_t pos);
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bool flash_encrypt(bootloader_state_t *bs);
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bool secure_boot(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BOOT_CONFIG_H__ */
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