[PATCH v2 0/4] Add PMEM support for RISC-V

[Anup Patel]

The Linux NVDIMM PEM drivers require arch support to map and access the
persistent memory device. This series adds RISC-V PMEM support using
recently added Svpbmt and Zicbom support.

These patches can also be found in riscv_pmem_v2 branch at:
https://github.com/avpatel/linux.git

Changes since v1:
 - Fix error reported by test bot
   https://lore.kernel.org/all/202208272028.IwrNZ0Ur-lkp@intel.com/

Anup Patel (4):
  RISC-V: Fix ioremap_cache() and ioremap_wc() for systems with Svpbmt
  RISC-V: Move riscv_init_cbom_blocksize() to cacheflush.c
  RISC-V: Implement arch specific PMEM APIs
  RISC-V: Enable PMEM drivers

 arch/riscv/Kconfig                  |  1 +
 arch/riscv/configs/defconfig        |  1 +
 arch/riscv/include/asm/cacheflush.h |  2 ++
 arch/riscv/include/asm/io.h         | 10 ++++++++
 arch/riscv/include/asm/pgtable.h    |  2 ++
 arch/riscv/mm/Makefile              |  1 +
 arch/riscv/mm/cacheflush.c          | 39 +++++++++++++++++++++++++++++
 arch/riscv/mm/dma-noncoherent.c     | 38 ----------------------------
 arch/riscv/mm/pmem.c                | 21 ++++++++++++++++
 9 files changed, 77 insertions(+), 38 deletions(-)
 create mode 100644 arch/riscv/mm/pmem.c

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2.34.1