On 2023-02-06, Patrick Wildt wrote:
The MNT Reform 2 is a modular DIY laptop. In its initial version it is based on the BoundaryDevices i.MX8MQ SoM. Some parts have been lifted from BoundaryDevices official U-Boot downstream project.
Signed-off-by: Patrick Wildt patrick@blueri.se
Tested booting Debian with a 6.1.x linux kernel on a mnt/reform2 using nvme rootfs and microsd /boot. Some oddities with video and wifi that do not occur with the vendor u-boot, but seems like huge progress.
Thanks!
Tested-by: Vagrant Cascadian vagrant@debian.org
Changes since v7:
- Re-added lost ramdisk_addr_r.
Changes since v6:
- Cleaned up some CONFIG_* pollution.
Changes since v5:
- Adjusted to further Binman changes.
- Adjusted to further Kconfig conversions.
- Removed some phy init in favor of DM.
- Removed some pinmux which are now handled by DM_SERIAL.
- Compared with Librem5/EVK and adjusted for similarity.
Changes since v4:
- Adjusted to Kconfig conversions.
- Removed U-Boot-specific device tree changes.
- Synced device tree to Linux v5.19-rc3.
Changes since v3:
- Adjusted to Binman changes in main branch.
- Cleaned up environment variables akin to i.MX8MM.
- Added vendor-prefix to device tree filename.
- Provided ramdisk_addr_r.
Changes since v2:
- Switched to Binman.
Changes since v1:
- Synced DTS with files in Linux git repo.
- Added support for USB host ports.
arch/arm/dts/imx8mq-mnt-reform2-u-boot.dtsi | 11 + arch/arm/mach-imx/imx8m/Kconfig | 7 + board/mntre/imx8mq_reform2/Kconfig | 15 + board/mntre/imx8mq_reform2/MAINTAINERS | 7 + board/mntre/imx8mq_reform2/Makefile | 12 + board/mntre/imx8mq_reform2/imx8mq_reform2.c | 171 +++ board/mntre/imx8mq_reform2/lpddr4_timing.c | 1014 +++++++++++++++++ .../mntre/imx8mq_reform2/lpddr4_timing_ch2.h | 95 ++ board/mntre/imx8mq_reform2/spl.c | 260 +++++ configs/imx8mq_reform2_defconfig | 107 ++ include/configs/imx8mq_reform2.h | 67 ++ 11 files changed, 1766 insertions(+) create mode 100644 arch/arm/dts/imx8mq-mnt-reform2-u-boot.dtsi create mode 100644 board/mntre/imx8mq_reform2/Kconfig create mode 100644 board/mntre/imx8mq_reform2/MAINTAINERS create mode 100644 board/mntre/imx8mq_reform2/Makefile create mode 100644 board/mntre/imx8mq_reform2/imx8mq_reform2.c create mode 100644 board/mntre/imx8mq_reform2/lpddr4_timing.c create mode 100644 board/mntre/imx8mq_reform2/lpddr4_timing_ch2.h create mode 100644 board/mntre/imx8mq_reform2/spl.c create mode 100644 configs/imx8mq_reform2_defconfig create mode 100644 include/configs/imx8mq_reform2.h