[PATCH v2 0/3] arm: caches: allow to activate dcache in SPL and in U-Boot pre-reloc

Patrick Delaunay patrick.delaunay at st.com
Fri Apr 24 20:20:14 CEST 2020


It is a V2 serie after Marek feedback for

This serie allows dcache activation in SPL or in U-Boot preloc stage
for ARM board.

See "arm: stm32mp1: activate data cache in SPL and before relocation"
for example of usage in SPL and in U-Boot pre-reloc of the function
dcache_enable() and of mmu_set_region_dcache_behaviour().

A branch named "dcache" with the needed patches for stm32mp1 boards
is available in:

Changes in v2:
- update patch after Marek's proposal. but I just divided by 2 instead
  of 4kB (minimal MMU page size)

Patrick Delaunay (3):
  arm: caches: protect dram_bank_mmu_setup access to bi_dram
  arm: caches: add DCACHE_DEFAULT_OPTION
  arm: caches: manage phys_addr_t overflow in

 arch/arm/include/asm/system.h |  8 ++++++++
 arch/arm/lib/cache-cp15.c     | 20 ++++++++++----------
 2 files changed, 18 insertions(+), 10 deletions(-)


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