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Mon, 20 May 2024 05:17:56 -0700 (PDT) Message-ID: Date: Mon, 20 May 2024 07:17:54 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: development@lists.ipfire.org From: Craig Setera Subject: [PATCH] Updates to u-boot script for Raspberry Pi 4b devices X-ZohoMailClient: External X-Rspamd-Queue-Id: 4Vjc641V9fz5d X-Spamd-Result: default: False [-9.15 / 11.00]; BAYES_HAM(-3.00)[99.99%]; R_DKIM_ALLOW(-1.64)[setera.org:s=zmail]; ARC_ALLOW(-1.00)[zohomail.com:s=zohoarc:i=1]; NEURAL_HAM(-1.00)[-0.999]; DKIM_REPUTATION(-0.91)[-0.90941247948238]; SPF_REPUTATION_HAM(-0.91)[-0.90941247948238]; IP_REPUTATION_HAM(-0.39)[asn: 2639(-0.38), country: US(-0.01), ip: 136.143.188.15(0.00)]; R_SPF_ALLOW(-0.20)[+ip4:136.143.188.0/24]; RWL_MAILSPIKE_GOOD(-0.10)[136.143.188.15:from]; MIME_GOOD(-0.10)[text/plain]; ONCE_RECEIVED(0.10)[]; XM_UA_NO_VERSION(0.01)[]; MX_GOOD(-0.01)[]; MIME_TRACE(0.00)[0:+]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCPT_COUNT_ONE(0.00)[1]; DMARC_NA(0.00)[setera.org]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[setera.org:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:2639, ipnet:136.143.188.0/23, country:US]; ARC_SIGNED(0.00)[lists.ipfire.org:s=202003rsa:i=2]; RCVD_IN_DNSWL_NONE(0.00)[136.143.188.15:from] X-Rspamd-Server: mail01.haj.ipfire.org X-Rspamd-Action: no action Message-ID-Hash: FCQ6QA6YUHSIIOGGAEFAO5PA2SBKGJ6O X-Message-ID-Hash: FCQ6QA6YUHSIIOGGAEFAO5PA2SBKGJ6O X-MailFrom: craigjunk@setera.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: IPFire development talk Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Updates to u-boot script for Raspberry Pi 4b devices to properly configure the serial console and to choose the proper boot address to be used on newer board revisions.  With these changes in place, I'm able to fully boot into a serial console in u-boot. The serial console configuration was derived from the Grub configuration, while the boot address changes were taken from the IPFire Raspberry 4b documentation page: https://www.ipfire.org/docs/hardware/arm/rpi/four Per the conversation in the forums, I don't know why the boot address changes are required.  I was simply trying to automate those changes such that downloaded builds will work out of the box. https://community.ipfire.org/t/hang-with-kernel-starting-on-raspberry-pi/11558/37 NOTE: The use of the different parameter options to the test command to minimize the need for deeply nested conditionals.  I did try more bash-shell like syntax, but u-boot didn't seem to like that. The operators used here were found in the u-boot source. Tested-by: Craig Setera Signed-off-by: Craig Setera ---  config/u-boot/boot.cmd | 27 ++++++++++++++++++++++++---  1 file changed, 24 insertions(+), 3 deletions(-)                  fi;              else @@ -95,11 +99,28 @@ else      setenv ramdisk_addr -;  fi; +# +# Handle Raspberry Pi 4 address differences +# https://www.ipfire.org/docs/hardware/arm/rpi/four +# +setenv booti_fdt_addr ${fdt_addr_r}; +if test "${board}" -eq "rpi" -a ${cpu} -eq "armv8" -a "${fdtfile}" -eq "broadcom/bcm2711-rpi-4-b.dtb"; then +    # Hardware revision 1.4 +    if test ${board_revision} -eq 0xB03114 -o ${board_revision} -eq 0xC03114 -o ${board_revision} -eq 0xD03114; then +        setenv booti_fdt_addr ${fdt_addr}; +    fi + +    # Hardware revision 1.5 +    if test ${board_revision} -eq 0xB03115 -o ${board_revision} -eq 0xC03115 -o ${board_revision} -eq 0xD03115; then +        setenv booti_fdt_addr ${fdt_addr}; +    fi +fi; +  bootz ${kernel_addr_r} ${ramdisk_addr} ${fdt_addr_r}; -booti ${kernel_addr_r} ${ramdisk_addr} ${fdt_addr_r}; +booti ${kernel_addr_r} ${ramdisk_addr} ${booti_fdt_addr};  bootz ${kernel_addr_r} - ${fdt_addr_r}; -booti ${kernel_addr_r} - ${fdt_addr_r}; +booti ${kernel_addr_r} - ${booti_fdt_addr};  # Recompile with:  # mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr diff --git a/config/u-boot/boot.cmd b/config/u-boot/boot.cmd index a27996780..eedd5776d 100644 --- a/config/u-boot/boot.cmd +++ b/config/u-boot/boot.cmd @@ -51,7 +51,11 @@ if test "${SERIAL-CONSOLE}" = "ON"; then                      if test "${fdtfile}" = "broadcom/bcm2837-rpi-3-b.dtb"; then                          setenv console ttyS1,115200n8;                      else -                        setenv console ttyAMA0,115200n8; +                        if test "${fdtfile}" = "broadcom/bcm2711-rpi-4-b.dtb"; then +                            setenv console ttyS0,115200n8; +                        else +                            setenv console ttyAMA0,115200n8; +                        fi;                      fi;