[PATCH master v2 0/5] ARM64: unify pbl and proper malloc area start

[Ahmad Fatoum]

The current location used to place the very early PBL malloc area on
Rockchip overlaps the OP-TEE region. This series changes ARM64 to
make the start of the barebox proper malloc area easier to calculate and
uses that also for the PBL memory region.

v1: https://lore.barebox.org/barebox/20260522105852.2681680-1-a.fatoum@pengutronix.de/

v1 -> v2:
  - restrict to ARM64 only
  - make the offset from start of RAM instead of end (Sascha)

Ahmad Fatoum (5):
  arch: introduce new CONFIG_ARCH_HAS_MALLOC_SIZE
  arch: introduce CONFIG_BAREBOX_MEMORY_OFFSET
  ARM64: switch to CONFIG_BAREBOX_MEMORY_OFFSET
  ARM64: configs: drop CONFIG_MALLOC_SIZE=0x0 as it's now the default
  ARM64: place PBL malloc area at start of barebox proper malloc area

 arch/Kconfig                               | 19 ++++++++++
 arch/arm/Kconfig                           |  2 +
 arch/arm/configs/efi_v8_defconfig          |  1 -
 arch/arm/configs/imx_v8_defconfig          |  1 -
 arch/arm/configs/layerscape_defconfig      |  1 -
 arch/arm/configs/multi_v8_defconfig        |  1 -
 arch/arm/configs/rockchip_v8_defconfig     |  1 -
 arch/arm/configs/rpi_v8a_defconfig         |  3 +-
 arch/arm/configs/socfpga-agilex5_defconfig |  1 -
 arch/arm/configs/zynqmp_defconfig          |  1 -
 arch/arm/cpu/common.c                      |  5 +++
 arch/arm/cpu/start.c                       | 10 +++++
 arch/arm/cpu/uncompress.c                  |  4 ++
 arch/arm/include/asm/barebox-arm.h         | 10 +++--
 arch/arm/mach-rockchip/atf.c               |  2 +-
 arch/mips/Kconfig                          |  1 +
 arch/openrisc/Kconfig                      |  1 +
 arch/powerpc/Kconfig                       |  1 +
 arch/riscv/Kconfig                         |  1 +
 arch/sandbox/Kconfig                       |  1 +
 common/Kconfig                             | 43 +++++++++++++++++++++-
 common/memory.c                            |  7 ++++
 include/asm-generic/memory_layout.h        | 24 ++++++++++++
 include/linux/pagemap.h                    |  1 +
 24 files changed, 126 insertions(+), 16 deletions(-)

-- 
2.47.3