[PATCH v1 0/3] Add workarounds for Picoheart erratas

[Yicong Yang]

This series add basic errata framework for Picoheart SoCs for handling
upcoming Picoheart erratas. And add workarounds for the first two
erratas on our hardware.

Yicong Yang (3):
  riscv: errata: Add init framework for picoheart errata
  riscv: errata: picoheart: Add workaround for cbo.clean errata
  riscv: errata: picoheart: Add workaround for AMOCASQ errata

 arch/riscv/Kconfig.errata                    |  34 +++
 arch/riscv/errata/Makefile                   |   1 +
 arch/riscv/errata/picoheart/Makefile         |   5 +
 arch/riscv/errata/picoheart/errata.c         | 223 +++++++++++++++++++
 arch/riscv/include/asm/alternative.h         |   3 +
 arch/riscv/include/asm/cmpxchg.h             |   2 +-
 arch/riscv/include/asm/cpufeature.h          |   8 +
 arch/riscv/include/asm/errata_list.h         |  25 ++-
 arch/riscv/include/asm/errata_list_vendors.h |   4 +
 arch/riscv/include/asm/insn.h                |   4 +
 arch/riscv/include/asm/vendorid_list.h       |   1 +
 arch/riscv/kernel/alternative.c              |   5 +
 arch/riscv/kernel/cpufeature.c               |  16 +-
 arch/riscv/kernel/traps.c                    |   4 +
 14 files changed, 332 insertions(+), 3 deletions(-)
 create mode 100644 arch/riscv/errata/picoheart/Makefile
 create mode 100644 arch/riscv/errata/picoheart/errata.c

-- 
2.50.1 (Apple Git-155)