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Sun, 30 May 2021 20:28:39 +0000 Received: by kubenode513.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID a67afbf4cc9904554a4de943db8dd2dd; Sun, 30 May 2021 20:28:36 +0000 (UTC) Content-Type: text/plain; charset=us-ascii List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.80.0.2.43\)) Subject: Re: Boot from USB on RPi4 8GB? In-Reply-To: <2F58272B-BD9C-464B-9A98-BF638971BA86@dsllsn.net> Date: Sun, 30 May 2021 13:28:33 -0700 Cc: freebsd-arm@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: <74691529-DD54-4E3E-B2FA-B504620E6F18@yahoo.com> References: <4F3EE8D2-649B-4522-AD5A-7C308291802F@dsllsn.net> <43FAEEAC-EE36-4810-88AA-FF82AFBCC128@yahoo.com> <2F58272B-BD9C-464B-9A98-BF638971BA86@dsllsn.net> To: William Carson X-Mailer: Apple Mail (2.3654.80.0.2.43) X-Rspamd-Queue-Id: 4FtVPP2t0wz3r74 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-arm X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N On 2021-May-30, at 10:59, William Carson via freebsd-arm wrote: Thank you for the quick and thorough reply! >> . . . >=20 >> What does: >>=20 >> # rpi-eeprom-config=20 >> [all] >> BOOT_UART=3D0 >> WAKE_ON_GPIO=3D1 >> POWER_OFF_ON_HALT=3D0 >> DHCP_TIMEOUT=3D45000 >> DHCP_REQ_TIMEOUT=3D4000 >> TFTP_FILE_TIMEOUT=3D30000 >> ENABLE_SELF_UPDATE=3D1 >> DISABLE_HDMI=3D0 >> BOOT_ORDER=3D0xf41 >>=20 >> report in your context? (An equivalent command is >> "vcgencmd bootloader_config". I show example output >> above.) >=20 > root@raspberrypi:~# rpi-eeprom-config > [all] > BOOT_UART=3D0 > WAKE_ON_GPIO=3D1 > POWER_OFF_ON_HALT=3D0 >=20 That looks like an old default is still in place. What my output showed is the modern default they ship with as I understand. You may want to update. If you want more debug output from the RPi4B firmware, you could use: BOOT_UART=3D1 I normally do. I've just not gotten around to updating that specific device yet. That goes along with using: enable_uart=3D1 uart_2ndstage=3D1 dtdebug=3D1 in config.txt . I use dtoverlay=3Ddisable-bt in config.txt which causes the better UART to be used for the serial console. There is also the alternative: dtoverlay=3Dminiuart-bt The (or an) explicit BOOT_ORDER in rpi-eeprom-config might be appropriate as well. I saw no reason to change or eliminate the others and left them in place on the other RPi4B's. = https://www.raspberrypi.org/documentation/configuration/config-txt/boot.md= lists the following for config.txt use: bootcode_delay (default 0, so 0 sec) boot_delay (default 1, so 1 sec) boot_delay_ms (default 0, so 0 msec) It also has notes about uart_2ndstage use and the like. I've never had to use these but if your device takes a while to become ready, thse might be able to help. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)