orangepi5-plus: u-boot: use mainline ATF; bump to v2026.01; drop funky CE config options

[rpardini]

• 🌱 also drop BOOT_SUPPORT_SPI & BOOT_SPI_RKSPI_LOADER as those are for vendor u-boot, not used here

Summary by CodeRabbit

• Updates

  • Updated U-Boot version to 2026.01
  • Refined boot configuration for Orange Pi 5 Plus

• Changes

  • Switched boot scenario to the new mainline/ATF approach
  • Removed SPI boot support options
  • Adjusted U-Boot binary mapping and write behavior for the board

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[coderabbitai]

📝 Walkthrough

Walkthrough

Board configuration for Orange Pi 5 Plus switched boot scenario to "tpl-blob-atf-mainline", removed SPI-specific variables, bumped mainline U-Boot/ATF from v2025.10 to v2026.01, replaced BL31 blob path with fixed bl31.elf, removed an SPI-specific helper, and inlined internal write_uboot_platform functions.

Changes

Cohort / File(s)	Summary
Orange Pi 5 Plus boot config config/boards/orangepi5-plus.conf	BOOT_SCENARIO changed to "tpl-blob-atf-mainline"; removed BOOT_SUPPORT_SPI and BOOT_SPI_RKSPI_LOADER; BOOTBRANCH and BOOTPATCHDIR updated from v2025.10 to v2026.01; UBOOT_TARGET_MAP now uses BL31=bl31.elf; removed post_config_uboot_target__extra_configs_for_rock5b_mainline_environment_in_spi(); added internal write_uboot_platform and write_uboot_platform_mtd definitions.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• rock-5b: u-boot: edge: bump to v2026.01-rc2; use mainline ATF; bootorder; fancy u-boot #8949 — Mirrors mainline U-Boot/ATF bump and BL31 mapping to bl31.elf.
• rock-4se: binman boot scenario with mainline ATF #8449 — Similar change switching Rockchip boards to mainline-ATF binman flow and BL31 handling.
• radxa-cubie-a5e: maint and fixes #9152 — Related adjustments to U-Boot/ATF branch variables and boot binary write logic.

Suggested reviewers

• igorpecovnik
• amazingfate
• paolosabatino
• pyavitz

Poem

🐰 I nibble code beneath the moonlit tree,
bl31 tucked snug for booting free,
SPI paths vanish, tags move on,
mainline steps where blobs belong.
Hoppity hops—v2026, whee! 🥕

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the three main changes: switching to mainline ATF, bumping u-boot version to v2026.01, and removing SPI configuration options.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[EvilOlaf]

I don't have a spare 5+ to test this.
Also would be good if, as mentioned, hdmirx on vendor is tested before and after this change.

[rpardini]

hdmirx on vendor

won't work with this, most likely. rkbin blob is required to sneakily remap an interrupt for vendor hdmirx (which is incompatible with mainline hdmirx). not specific to opi either.

[Marsupilami23]

Can confirm, patch works for Orange Pi 5 Plus using BRANCH="current" (6.18.6) and BOARD="orangepi5-plus".

[github-actions]

✅ This PR has been reviewed and approved — all set for merge!