161 lines
4.3 KiB
C
161 lines
4.3 KiB
C
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/*********************************************************************
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* @file mbr.h
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* @brief
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* @version 1.0
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* @date 20 April 2015
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* @author luwei
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*
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* @addtogroup mbr
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* @ingroup
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* @details
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*
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* @note
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*/
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#ifndef _MBR_H
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#define _MBR_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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/*********************************************************************
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* INCLUDES
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*/
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#include <stdint.h>
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#include <stdbool.h>
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/*********************************************************************
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* TYPEDEFS
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*/
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/* Sector 0 */
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#define OPT_JTAG_ON_MASK (0x7<<0) /* all 1 is jtag on */
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#define OPT_ENC_OFF (0x1<<3) /* 1-Enc is off; 0-Enc is on */
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#define OPT_UNLOCK_MASK (OPT_JTAG_ON_MASK | OPT_ENC_OFF)
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#define OPT_NODELAY_MASK (0xF<<4) /* Not delay */
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#define OPT_NODELAY_FLAG (0xA<<4) /* Not delay */
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#define OPT_BYTES_OFFSET 0
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#define ENC_KEY_OFFSET 4
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#define SEC_KEY_LEN 16 /* encryption key, private key in 128-bit */
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/* OTP */
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#define OTP_CHIP_ID 1 /* LB1 */
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#define OTP_CHIP_FUNC 2 /* LB2 */
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#define OTP_AUTH 3 /* LB3 */
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/* Vectors */
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//#define VEC_APP_SIZE 8
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//#define VEC_APP_CRC 9
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#define VEC_RUN2SF_OFFSET 9
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#define VEC_RUN2SF_MAGIC 10
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#define VEC_RUN2OTP_MAGIC 10
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#define VEC_APP_MAGIC 13
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/* flag */
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#define RUN2SF_MAGIC_FLAG 0x46533252 // R2SF
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#define RUN2OTP_MAGIC_FLAG 0x50544f5A // \x5AOTP
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#define RUN2OTP_CP2RAM_MAGIC_FLAG 0x50544fA5 // \xA5OTP
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/* Security Registers */
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#define SEC_CHIP_ID_OFFSET (0*256)
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#define SEC_CHIP_FUNC_OFFSET (1*256)
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#define SEC_AUTH_PRIV_OFFSET (2*256)
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/* Reserved flash sector */
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#define RSV_TRACE_ID_OFFSET 12
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#define RSV_TRACE_ID_LENGTH 8
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#define RSV_GPADC_CALI_OFFSET 8
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#define RSV_GPADC_CALI_LENGTH 8
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#define OPT_SECTOR_START 0
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#define MBR_SECTOR_START 1
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#define CPFT_SECTOR_START 3
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#define APP_SECTOR_START 4
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/* Sector 1 */
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#define MBR_SIGNATURE UINT16_C(0xAA55)
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#define FLASH_SETTINGS_SIZE 3
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#define FLASH_CLOCK_OFFSET 0x17b
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#define FLASH_WIDTH_OFFSET 0x17c
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#define FLASH_DELAY_OFFSET 0x17d
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#define DOS_PART_TBL_OFFSET 0x17e
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#define DOS_PART_MAGIC_OFFSET 0x1fe
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#define PART_TYPE_MASK_HS 0x60
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#define PART_TYPE_APP 0x60
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#define PART_TYPE_PATCH 0x61
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#define PART_TYPE_CFG 0x62
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#define PART_TYPE_OTP 0x63
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#define PART_TYPE_USR1 0x04
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#define PART_TYPE_USR2 0x05
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#define PART_TYPE_USR3 0x06
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#define PART_TYPE_USR4 0x07
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#define MBR_PART_NUM 8
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// Data for a single MBR partition record
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// Note that firstSector and lastSector are in CHS addressing, which
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// splits the bits up in a weird way.
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// On read or write of MBR entries, firstLBA is an absolute disk sector.
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// On read of logical entries, it's relative to the EBR record for that
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// partition. When writing EBR records, it's relative to the extended
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// partition's start.
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typedef struct MBRRecord {
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uint8_t status;
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uint8_t firstSector[3];
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uint8_t partitionType;
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uint8_t lastSector[1];
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uint16_t crc16;
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uint32_t firstLBA; /* starting sector counting from 0 */
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uint32_t lengthLBA; /* nr of sectors in partition */
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} mbr_part_t;
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int mbr_get_security(uint32_t *p_option_bytes, uint8_t *p_key);
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int mbr_set_security(uint32_t option_bytes, uint8_t *p_key);
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int mbr_set_security_option_with_mask(uint32_t option_mask, uint32_t option_value, uint32_t *new_option);
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int sec_get_chip_id(uint8_t *p_id);
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int sec_get_auth_pri(uint8_t *p_pri);
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int mbr_probe(bool create_if_fail);
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int mbr_read_part(int img_type, uint32_t *p_addr, uint32_t *p_len, uint16_t *p_crc);
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int mbr_alloc_part(int img_type, uint32_t *p_addr, uint32_t len);
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int mbr_write_part(int img_type, uint32_t addr, uint32_t len, uint16_t crc);
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int mbr_write_clock(uint8_t clock, uint8_t width, uint8_t delay);
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void mbr_boost_clock(void);
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void mbr_restore_clock(void);
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int mbr_validate_app(uint32_t addr, uint32_t len);
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int mbr_get_app(uint32_t *p_addr, uint32_t *p_len, uint16_t *p_crc);
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int mbr_get_patch(uint32_t *p_addr, uint32_t *p_len, uint16_t *p_crc);
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/**
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* @brief get cpft address and length
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*
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* @param[out] p_addr cpft base address
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* @param[out] p_len cpft length
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*
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* @return errno or 0 success
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**/
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int mbr_get_cpft(uint32_t *p_addr, uint32_t *p_len);
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/**
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* @brief get free space address and length
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*
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* @param[out] p_addr free space address
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* @param[out] p_len freee space length
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*
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* @return errno or 0 success
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**/
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int mbr_get_free_area(uint32_t *p_addr, uint32_t *p_len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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