This series brings up and enables booting from the SPI flash present on some variants of the ROCK Pi 4 in U-Boot.
The first patch syncs the ROCK Pi 4A devicetree from Linux, which contains the SPI flash node.
The second patch enables support in U-Boot for the SPI flash chip and booting U-Boot from the SPI flash on the Radxa ROCK Pi 4.
This series may be found at [0].
[0]: https://gitlab.collabora.com/obbardc/u-boot/-/tree/wip/obbardc/rockchip-rock...
Changes in v2: - Collect Reviewed-by tags. - Rebase on top of rockchip/for-next. - Sync configuration changes with savedefconfig. - Remove GigaDevice SPI flash chip support (suggested by Kever Y). - Re-enable CONFIG_SPL_FIT_SIGNATURE=y (fixed in rockchip/for-next, solves multiple problems mentioned in v1. Thanks Jonas!). - Remove spl-boot-order from rk3399-rock-pi-4a-u-boot.dtsi (suggested by Jonas K). - Enable CONFIG_SPI_FLASH_SFDP_SUPPORT=y (suggested by Jonas K). - v1: https://lists.denx.de/pipermail/u-boot/2024-March/547173.html
Christopher Obbard (2): arm: rockchip: sync ROCK Pi 4A DTS from Linux rockchip: rock-pi-4-rk3399: enable booting from SPI flash
arch/arm/dts/rk3399-rock-pi-4a-u-boot.dtsi | 7 +++++++ arch/arm/dts/rk3399-rock-pi-4a.dts | 10 ++++++++++ configs/rock-pi-4-rk3399_defconfig | 17 ++++++++++++++--- 3 files changed, 31 insertions(+), 3 deletions(-)