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Advanced users • Re: Raspberry PI 5 Secure Boot

Does it still boot with an unsigned rpi-eeprom?

If secure-boot is not enabled IIRC the bootrom will not a accept a countersigned image
Yes, it boots with default recovery (either from usbboot/recovery5 or from Raspberry Imager EEPROM option)

default EEPROM + default RPi os = successful boot
default EEPROM + boot.img = successful boot
default EEPROM + no sd card = 1 green blink and UART log
signed EEPROM + any of above = 3 green blinks and no UART output

So how I supposed to test my secureboot settings, flash OTP and hope for the best?
If so, i would need to run

Code:

../tools/update-pieeprom.sh -fr -k "${KEY_FILE}"
instead of

Code:

../tools/update-pieeprom.sh -f -k "${KEY_FILE}"

Also, it seems like I bricked my sample as it halts on PCI2 message

Code:

  0.31 RPi: BOOTSYS release VERSION:26826259 DATE: 2024/09/23 TIME: 14:02:56  0.35 BOOTMODE: 0x06 partition 0 build-ts BUILD_TIMESTAMP=1727096576 serial 28cb67db boardrev d04170 stc 935885  0.45 AON_RESET: 00000003 PM_RSTS 00001000  0.53 RP1_BOOT chip ID: 0x20001927  0.56 PM_RSTS: 0x00001000  0.56 part 00000000 reset_info 00000000  0.59 PMIC reset-event 00000002 rtc 00000142 alarm 00000000 enabled 0  0.66 uSD voltage 3.3V  1.85 Initialising SDRAM rank 2 total-size: 64 Gbit 4267 (0x14 0x00)  1.88 DDR 4267 1 0 64 152  2.98 OTP boardrev d04170 bootrom a a  2.99 Customer key hash 0000000000000000000000000000000000000000000000000000000000000000  3.06 VC-JTAG unlocked  3.29 RP1_BOOT chip ID: 0x20001927  3.31 RP1_BOOT chip ID: 0x20001927  3.31 RP1_BOOT: fw size 25992  3.86 PCI2 init  3.86 PCI2

Statistics: Posted by wa1ter — Wed Oct 02, 2024 10:22 am



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