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	 df662c30e4
			
		
	
	df662c30e4
	
	
	
		
			
			SB key is left readable, the corresponding bit in RD_DIS is unset. We set write-protection for RD_DIS to ensure that the SB key is always readable.
		
			
				
	
	
	
		
			7.9 KiB
		
	
	
	
	
	
	
	
			
		
		
	
	
			7.9 KiB
		
	
	
	
	
	
	
	
| 1 | # field_name, | efuse_block, | bit_start, | bit_count, |comment # | 
|---|---|
| 2 | # | (EFUSE_BLK0 | (0..255) | (1-256) | # | 
| 3 | # | EFUSE_BLK1 | | | # | 
| 4 | # | EFUSE_BLK3) | | | # | 
| 5 | ########################################################################## | 
| 6 | # !!!!!!!!!!! # | 
| 7 | # this will generate new source files, next rebuild all the sources. | 
| 8 | # !!!!!!!!!!! # | 
| 9 | # EFUSE_RD_REPEAT_DATA BLOCK # | 
| 10 | ############################## | 
| 11 | # EFUSE_RD_WR_DIS_REG # | 
| 12 | WR_DIS, EFUSE_BLK0, 0, 8, Write protection | 
| 13 | WR_DIS.RD_DIS, EFUSE_BLK0, 0, 1, Write protection for RD_DIS | 
| 14 | WR_DIS.GROUP_1, EFUSE_BLK0, 1, 1, Write protection for WDT_DELAY DIS_PAD_JTAG DIS_DOWNLOAD_ICACHE | 
| 15 | WR_DIS.GROUP_2, EFUSE_BLK0, 2, 1, Write protection for DOWNLOAD_DIS_MANUAL_ENCRYPT SPI_BOOT_CRYPT_CNT XTS_KEY_LENGTH_256 SECURE_BOOT_EN | 
| 16 | WR_DIS.SPI_BOOT_CRYPT_CNT, EFUSE_BLK0, 2, 1, Write protection for DOWNLOAD_DIS_MANUAL_ENCRYPT [SPI_BOOT_CRYPT_CNT] XTS_KEY_LENGTH_256 SECURE_BOOT_EN | 
| 17 | WR_DIS.GROUP_3, EFUSE_BLK0, 3, 1, Write protection for UART_PRINT_CONTROL FORCE_SEND_RESUME DIS_DOWNLOAD_MODE DIS_DIRECT_BOOT ENABLE_SECURITY_DOWNLOAD FLASH_TPUW | 
| 18 | WR_DIS.BLK0_RESERVED, EFUSE_BLK0, 4, 1, Write protection for BLK0_RESERVED | 
| 19 | WR_DIS.SYS_DATA_PART0, EFUSE_BLK0, 5, 1, Write protection for EFUSE_BLK1. SYS_DATA_PART0 | 
| 20 | WR_DIS.SYS_DATA_PART1, EFUSE_BLK0, 6, 1, Write protection for EFUSE_BLK2. SYS_DATA_PART2 | 
| 21 | WR_DIS.KEY0, EFUSE_BLK0, 7, 1, Write protection for EFUSE_BLK3. whole KEY0 | 
| 22 | # EFUSE_RD_REPEAT_DATA0_REG # | 
| 23 | RD_DIS, EFUSE_BLK0, 32, 2, Read protection | 
| 24 | RD_DIS.KEY0, EFUSE_BLK0, 32, 2, Read protection for EFUSE_BLK3. KEY0 | 
| 25 | RD_DIS.KEY0.LOW, EFUSE_BLK0, 32, 1, Read protection for EFUSE_BLK3. KEY0 lower 128-bit key | 
| 26 | RD_DIS.KEY0.HI, EFUSE_BLK0, 33, 1, Read protection for EFUSE_BLK3. KEY0 higher 128-bit key | 
| 27 | WDT_DELAY_SEL, EFUSE_BLK0, 34, 2, RTC WDT timeout threshold | 
| 28 | DIS_PAD_JTAG, EFUSE_BLK0, 36, 1, Hardware Disable JTAG permanently | 
| 29 | DIS_DOWNLOAD_ICACHE, EFUSE_BLK0, 37, 1, Disable ICache in Download mode | 
| 30 | DIS_DOWNLOAD_MANUAL_ENCRYPT, EFUSE_BLK0, 38, 1, Disable flash encryption in Download boot mode | 
| 31 | SPI_BOOT_CRYPT_CNT, EFUSE_BLK0, 39, 3, Enable SPI boot encrypt/decrypt. Odd number: enable; even number: disable | 
| 32 | XTS_KEY_LENGTH_256, EFUSE_BLK0, 42, 1, Select XTS_AES key length. 1: 256-bit of whole block3; 0: Lower 128-bit of block3 | 
| 33 | UART_PRINT_CONTROL, EFUSE_BLK0, 43, 2, Set UART boot message output mode. 00: Force print; 01: Low-level print controlled by GPIO 8; 10: High-level print controlled by GPIO 8; 11: Print force disabled | 
| 34 | FORCE_SEND_RESUME, EFUSE_BLK0, 45, 1, Force ROM code to send an SPI flash resume command during SPI boot | 
| 35 | DIS_DOWNLOAD_MODE, EFUSE_BLK0, 46, 1, Disable all download boot modes | 
| 36 | DIS_DIRECT_BOOT, EFUSE_BLK0, 47, 1, Disable direct_boot mode | 
| 37 | ENABLE_SECURITY_DOWNLOAD, EFUSE_BLK0, 48, 1, Enable secure UART download mode | 
| 38 | FLASH_TPUW, EFUSE_BLK0, 49, 4, Configure flash startup delay after SoC being powered up (the unit is ms/2). When the value is 15 delay will be 7.5 ms | 
| 39 | SECURE_BOOT_EN, EFUSE_BLK0, 53, 1, Enable secure boot | 
| 40 | SECURE_VERSION, EFUSE_BLK0, 54, 4, Secure version for anti-rollback | 
| 41 | ENABLE_CUSTOM_MAC, EFUSE_BLK0, 58, 1, True if MAC_CUSTOM is burned | 
| 42 | DISABLE_WAFER_VERSION_MAJOR, EFUSE_BLK0, 59, 1, Disables check of wafer version major | 
| 43 | DISABLE_BLK_VERSION_MAJOR, EFUSE_BLK0, 60, 1, Disables check of blk version major | 
| 44 | # USER_DATA BLOCK# - System configuration | 
| 45 | ####################### | 
| 46 | USER_DATA, EFUSE_BLK1, 0, 88, User data block | 
| 47 | USER_DATA.MAC_CUSTOM, EFUSE_BLK1, 0, 48, Custom MAC addr | 
| 48 | # SYS_DATA_PART1 BLOCK# - System configuration | 
| 49 | ####################### | 
| 50 | # EFUSE_RD_BLK2_DATA0_REG | 
| 51 | MAC_FACTORY, EFUSE_BLK2, 40, 8, Factory MAC addr [0] | 
| 52 | , EFUSE_BLK2, 32, 8, Factory MAC addr [1] | 
| 53 | , EFUSE_BLK2, 24, 8, Factory MAC addr [2] | 
| 54 | , EFUSE_BLK2, 16, 8, Factory MAC addr [3] | 
| 55 | , EFUSE_BLK2, 8, 8, Factory MAC addr [4] | 
| 56 | , EFUSE_BLK2, 0, 8, Factory MAC addr [5] | 
| 57 | # EFUSE_RD_BLK2_DATA1_REG | 
| 58 | # mac_id_high 16 bits | 
| 59 | WAFER_VERSION_MINOR, EFUSE_BLK2, 48, 4, WAFER_VERSION_MINOR | 
| 60 | WAFER_VERSION_MAJOR, EFUSE_BLK2, 52, 2, WAFER_VERSION_MAJOR | 
| 61 | PKG_VERSION, EFUSE_BLK2, 54, 3, EFUSE_PKG_VERSION | 
| 62 | BLK_VERSION_MINOR, EFUSE_BLK2, 57, 3, BLK_VERSION_MINOR | 
| 63 | BLK_VERSION_MAJOR, EFUSE_BLK2, 60, 2, BLK_VERSION_MAJOR | 
| 64 | # EFUSE_RD_BLK2_DATA2_REG | 
| 65 | ################ | 
| 66 | KEY0, EFUSE_BLK3, 0, 256, [256bit FE key] or [128bit FE key and 128key SB key] or [user data] | 
| 67 | KEY0.FE_256BIT, EFUSE_BLK3, 0, 256, [256bit FE key] | 
| 68 | KEY0.FE_128BIT, EFUSE_BLK3, 0, 128, [128bit FE key] | 
| 69 | KEY0.SB_128BIT, EFUSE_BLK3, 128, 128, [128bit SB key] | 
| 70 | # AUTO CONFIG DIG&RTC DBIAS# | 
| 71 | ################ | 
| 72 | OCODE, EFUSE_BLK2, 62, 7, OCode | 
| 73 | TEMP_CALIB, EFUSE_BLK2, 69, 9, Temperature calibration data | 
| 74 | ADC1_INIT_CODE_ATTEN0, EFUSE_BLK2, 78, 8, ADC1 init code at atten0 | 
| 75 | ADC1_INIT_CODE_ATTEN3, EFUSE_BLK2, 86, 5, ADC1 init code at atten3 | 
| 76 | ADC1_CAL_VOL_ATTEN0, EFUSE_BLK2, 91, 8, ADC1 calibration voltage at atten0 | 
| 77 | ADC1_CAL_VOL_ATTEN3, EFUSE_BLK2, 99, 6, ADC1 calibration voltage at atten3 | 
| 78 | DIG_DBIAS_HVT, EFUSE_BLK2, 105, 5, BLOCK2 digital dbias when hvt | 
| 79 | DIG_LDO_SLP_DBIAS2, EFUSE_BLK2, 110, 7, BLOCK2 DIG_LDO_DBG0_DBIAS2 | 
| 80 | DIG_LDO_SLP_DBIAS26, EFUSE_BLK2, 117, 8, BLOCK2 DIG_LDO_DBG0_DBIAS26 | 
| 81 | DIG_LDO_ACT_DBIAS26, EFUSE_BLK2, 125, 6, BLOCK2 DIG_LDO_ACT_DBIAS26 | 
| 82 | DIG_LDO_ACT_STEPD10, EFUSE_BLK2, 131, 4, BLOCK2 DIG_LDO_ACT_STEPD10 | 
| 83 | RTC_LDO_SLP_DBIAS13, EFUSE_BLK2, 135, 7, BLOCK2 DIG_LDO_SLP_DBIAS13 | 
| 84 | RTC_LDO_SLP_DBIAS29, EFUSE_BLK2, 142, 9, BLOCK2 DIG_LDO_SLP_DBIAS29 | 
| 85 | RTC_LDO_SLP_DBIAS31, EFUSE_BLK2, 151, 6, BLOCK2 DIG_LDO_SLP_DBIAS31 | 
| 86 | RTC_LDO_ACT_DBIAS31, EFUSE_BLK2, 157, 6, BLOCK2 DIG_LDO_ACT_DBIAS31 | 
| 87 | RTC_LDO_ACT_DBIAS13, EFUSE_BLK2, 163, 8, BLOCK2 DIG_LDO_ACT_DBIAS13 |