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nanopi-r6s: u-boot: bump to 2025.01 final, with working UMS and SD -> NVMe -> eMMC boot order #7683

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77 changes: 70 additions & 7 deletions config/boards/nanopi-r6s.conf
Original file line number Diff line number Diff line change
Expand Up @@ -40,17 +40,80 @@ function post_family_config__nanopi_r6s_use_mainline_uboot() {

declare -g BOOTDELAY=1 # Wait for UART interrupt to enter UMS/RockUSB mode etc
declare -g BOOTSOURCE="https://github.com/u-boot/u-boot.git" # We ❤️ Mainline U-Boot
declare -g BOOTBRANCH="tag:v2024.10"
declare -g BOOTPATCHDIR="v2024.10"
# Don't set BOOTDIR, allow shared U-Boot source directory for disk space efficiency

declare -g BOOTBRANCH="tag:v2025.01"
declare -g BOOTPATCHDIR="v2025.01"
declare -g BOOTDIR="u-boot-${BOARD}" # do not share u-boot directory
declare -g UBOOT_TARGET_MAP="BL31=${RKBIN_DIR}/${BL31_BLOB} ROCKCHIP_TPL=${RKBIN_DIR}/${DDR_BLOB};;u-boot-rockchip.bin"

# Disable stuff from rockchip64_common; we're using binman here which does all the work already
unset uboot_custom_postprocess write_uboot_platform write_uboot_platform_mtd
unset uboot_custom_postprocess write_uboot_platform write_uboot_platform_mtd # disable stuff from rockchip64_common; we're using binman here which does all the work already

# Just use the binman-provided u-boot-rockchip.bin, which is ready-to-go
function write_uboot_platform() {
dd "if=$1/u-boot-rockchip.bin" "of=$2" bs=32k seek=1 conv=notrunc status=none
}
}

function pre_config_uboot_target__r6s_patch_uboot_dtsi_for_ums() {
display_alert "u-boot for ${BOARD}" "u-boot: add to u-boot dtsi for UMS" "info" # avoid a patch, just append to the dtsi file
cat <<- EOD >> arch/arm/dts/rk3588s-nanopi-r6s-u-boot.dtsi
&u2phy0 { status = "okay"; };
&u2phy0_otg { status = "okay"; };
&usbdp_phy0 { status = "okay"; };
&usb_host0_xhci { dr_mode = "peripheral"; maximum-speed = "high-speed"; status = "okay"; };
EOD
}

# The upstream DTs (kernel 6.13 / u-boot 2025.01) are in flux and different
# let's just patch to normalize the SD and eMMC order as in mainline Linux DT: https://github.com/torvalds/linux/blob/master/arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6.dtsi#L14-L15
function pre_config_uboot_target__r6s_patch_uboot_dtsi_for_sd_emmc_order() {
display_alert "u-boot for ${BOARD}" "u-boot: add to u-boot dtsi for SD=mmc0 and eMMC=mmc1" "info"
cat <<- EOD >> arch/arm/dts/rk3588s-nanopi-r6s-u-boot.dtsi
/ { aliases { mmc0 = &sdmmc; mmc1 = &sdhci; }; };
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Doesn't Nanopi R6S uboot have mmc0 as sdmmc already?

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I think mmc0 should be sdhci on both Linux and Uboot side, but i suppose it is late to say it since the board is already mainlined

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Indeed. The problem here is that u-boot 2025.01 has devicetree-rebasing from some old DT version, which is half-way reorganized. As I intend to (real soon now) refactor all those hooks spread over a dozen boards into a single "mainline rockchip u-boot" extension, I opted to simply force the torvalds-master aliases on both boards...

EOD
}

# "rockchip-common: boot SD card first, then NVMe, then mmc"
# include/configs/rockchip-common.h
# -#define BOOT_TARGETS "mmc1 mmc0 nvme scsi usb pxe dhcp spi"
# +#define BOOT_TARGETS "mmc0 nvme mmc1 scsi usb pxe dhcp spi"
# On R6S, mmc1 is the eMMC, mmc0 is the SD card slot
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Maybe USB should have higher priority as well

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Yeah, in the past I've been bumping USB higher up the list, as it is convenient for people who are experimenting (eg flash Armbian and mainline uboot to eMMC, then use a Fedora on USB, etc).

But many have complained that usb start (enumerating all buses) is quite slow and delays normal boot by quite a few seconds.

For the specific case of the R6*, those don't have too many USB ports, and I'm switching the USB3 port to UMS/Gadget/OTG mode (for UMS/RockUSB/etc) so bumping USB up the list to allow booting from USB2 is not worth it, I think.

(When I do the refactor I intend to make it easy to change the order, and enable/disable OTG so it's easy to make a fast USB3-bootable bootloader).

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PS. I'm gonna do at least one more rk356x board (odroid-m1) and one rk3399 board (rockpro64) before any refactoring so I can get the full picture of the complexity of making all those things "generic".

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But many have complained that usb start (enumerating all buses) is quite slow and delays normal boot by quite a few seconds.

Yes I believe I have noticed this in the past as well.

function pre_config_uboot_target__r6s_patch_rockchip_common_boot_order() {
declare -a rockchip_uboot_targets=("mmc0" "nvme" "mmc1" "scsi" "usb" "pxe" "dhcp" "spi") # for future make-this-generic delight
display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: adjust boot order to '${rockchip_uboot_targets[*]}'" "info"
sed -i -e "s/#define BOOT_TARGETS.*/#define BOOT_TARGETS \"${rockchip_uboot_targets[*]}\"/" include/configs/rockchip-common.h
regular_git diff -u include/configs/rockchip-common.h || true
}

function post_config_uboot_target__extra_configs_for_r6s_mainline() {
display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable board-specific configs" "info"
run_host_command_logged scripts/config --enable CONFIG_DM_PMIC_FAN53555
run_host_command_logged scripts/config --enable CONFIG_CMD_MISC

display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable EFI debugging commands" "info"
run_host_command_logged scripts/config --enable CMD_EFIDEBUG
run_host_command_logged scripts/config --enable CMD_NVEDIT_EFI

display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable more compression support" "info"
run_host_command_logged scripts/config --enable CONFIG_LZO
run_host_command_logged scripts/config --enable CONFIG_BZIP2
run_host_command_logged scripts/config --enable CONFIG_ZSTD

display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable gpio LED support" "info"
run_host_command_logged scripts/config --enable CONFIG_LED
run_host_command_logged scripts/config --enable CONFIG_LED_GPIO

display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable networking cmds" "info"
run_host_command_logged scripts/config --enable CONFIG_CMD_NFS
run_host_command_logged scripts/config --enable CONFIG_CMD_WGET
run_host_command_logged scripts/config --enable CONFIG_CMD_DNS
run_host_command_logged scripts/config --enable CONFIG_PROT_TCP
run_host_command_logged scripts/config --enable CONFIG_PROT_TCP_SACK

# UMS, RockUSB, gadget stuff
display_alert "u-boot for ${BOARD}/${BRANCH}" "u-boot: enable UMS/RockUSB gadget" "info"
declare -a enable_configs=("CONFIG_CMD_USB_MASS_STORAGE" "CONFIG_USB_GADGET" "USB_GADGET_DOWNLOAD" "CONFIG_USB_FUNCTION_ROCKUSB" "CONFIG_USB_FUNCTION_ACM" "CONFIG_CMD_ROCKUSB" "CONFIG_CMD_USB_MASS_STORAGE")
for config in "${enable_configs[@]}"; do
run_host_command_logged scripts/config --enable "${config}"
done
# Auto-enabled by the above, force off...
run_host_command_logged scripts/config --disable USB_FUNCTION_FASTBOOT
}

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