Similar to ARM64, add support for building DTB files from DT source data for RISC-V boards. This patch starts with the infrastructure needed for SiFive boards. Boards from other vendors would add support here in a similar form. Signed-off-by: Paul Walmsley <paul.walmsley@xxxxxxxxxx> Signed-off-by: Paul Walmsley <paul@xxxxxxxxx> Cc: Palmer Dabbelt <palmer@xxxxxxxxxx> Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx> --- arch/riscv/Kconfig | 2 ++ arch/riscv/Kconfig.platforms | 8 ++++++++ arch/riscv/boot/dts/Makefile | 2 ++ 3 files changed, 12 insertions(+) create mode 100644 arch/riscv/Kconfig.platforms create mode 100644 arch/riscv/boot/dts/Makefile diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index eb56c82d8aa1..10e818816017 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -127,6 +127,8 @@ config ARCH_RV64I endchoice +source "arch/riscv/Kconfig.platforms" + # We must be able to map all physical memory into the kernel, but the compiler # is still a bit more efficient when generating code if it's setup in a manner # such that it can only map 2GiB of memory. diff --git a/arch/riscv/Kconfig.platforms b/arch/riscv/Kconfig.platforms new file mode 100644 index 000000000000..bd3d2642bcff --- /dev/null +++ b/arch/riscv/Kconfig.platforms @@ -0,0 +1,8 @@ +menu "Platform selection" + +config ARCH_SIFIVE + bool "SiFive platforms" + help + This enables direct support for SiFive SoC platform hardware. + +endmenu diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile new file mode 100644 index 000000000000..dcc3ada78455 --- /dev/null +++ b/arch/riscv/boot/dts/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +subdir-y += sifive -- 2.20.1
