[PATCH v4 0/2 RESEND] Add StarFive's StarLink Cache Controller

[Joshua Yeong <joshua.yeong@starfivetech.com>]

StarFive's StarLink Cache Controller flush/invalidates cache using non-
conventional RISC-V Zicbom extension instructions. This driver provides the
cache handling on StarFive RISC-V SoC.

Changes in v4:
- Move cache controller initialization to arch_initcall()
- Link to v3: https://lore.kernel.org/all/20240424075856.145850-1-joshua.yeong@starfivetech.com/

Changes in v3:
- Fix code syntax
- Link to v2: https://lore.kernel.org/all/20240423072639.143450-1-joshua.yeong@starfivetech.com/

Changes in v2:
- Change patch title from 'Add StarFive's StarLink-500 Cache Controller'
- Remove StarFive alternative from errata framework
- Fixes warning from https://lore.kernel.org/oe-kbuild-all/202403151625.boKDjHGr-lkp@intel.com/
- Flush completion through atomic timeout function
- Link to v1: https://lore.kernel.org/lkml/20240314061205.26143-1-joshua.yeong@starfivetech.com/

Joshua Yeong (2):
  cache: Add StarFive StarLink cache management for StarFive JH8100
  dt-bindings: cache: Add docs for StarFive Starlink cache controller

Joshua Yeong (2):
  cache: Add StarFive StarLink cache management
  dt-bindings: cache: Add docs for StarFive Starlink cache controller

 .../cache/starfive,jh8100-starlink-cache.yaml |  66 +++++++++
 drivers/cache/Kconfig                         |   9 ++
 drivers/cache/Makefile                        |   5 +-
 drivers/cache/starfive_starlink_cache.c       | 130 ++++++++++++++++++
 4 files changed, 208 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/cache/starfive,jh8100-starlink-cache.yaml
 create mode 100644 drivers/cache/starfive_starlink_cache.c

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2.25.1