From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx> These patches are a continuation of "riscv: Add DMA_COHERENT support for Allwinner D1". Compared with the previous factory-defined hardware implementation, it now follows the PBMT extension proposal. V2: https://lore.kernel.org/linux-riscv/1622970249-50770-10-git-send-email-guoren@xxxxxxxxxx/ V1: https://lore.kernel.org/linux-riscv/1621400656-25678-3-git-send-email-guoren@xxxxxxxxxx/ Changes since v2: - Change to PBMT extension proposal - Add pbmt in dts - Using img hdr for custom memory types moification Changes since v1: - Rebase on linux-5.13-rc4 - Support defconfig for different PTE attributes Guo Ren (2): riscv: pgtable: Add custom protection_map init riscv: pgtable: Add "PBMT" extension supported arch/riscv/Kconfig | 4 +++ arch/riscv/include/asm/image.h | 6 ++-- arch/riscv/include/asm/pgtable-64.h | 8 +++-- arch/riscv/include/asm/pgtable-bits.h | 55 ++++++++++++++++++++++++++-- arch/riscv/include/asm/pgtable.h | 17 ++++----- arch/riscv/kernel/head.S | 6 ++++ arch/riscv/mm/init.c | 68 +++++++++++++++++++++++++++++++++++ mm/mmap.c | 4 +++ 8 files changed, 149 insertions(+), 19 deletions(-) -- 2.7.4
