riscv: qemu: Add platform-specific Kconfig options

Add the QEMU RISC-V platform-specific Kconfig options, to include
CPU and timer drivers.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Reviewed-by: Anup Patel <anup@brainfault.org>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 7dc6e3fad2e7dc09f9370e849bfe29d59ddd83ca..39ca2d829c6400877c710f0a89b521c3381536a8 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -22,6 +22,7 @@ source "board/emulation/qemu-riscv/Kconfig"
 
 # platform-specific options below
 source "arch/riscv/cpu/ax25/Kconfig"
+source "arch/riscv/cpu/qemu/Kconfig"
 
 # architecture-specific options below
 

diff --git a/arch/riscv/cpu/qemu/Kconfig b/arch/riscv/cpu/qemu/Kconfig
new file mode 100644 (file)
index 0000000..2e953e1
--- /dev/null
+++ b/arch/riscv/cpu/qemu/Kconfig
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+
+config QEMU_RISCV
+       bool
+       imply CPU
+       imply CPU_RISCV
+       imply RISCV_TIMER
+       imply SIFIVE_CLINT if RISCV_MMODE
+       imply CMD_CPU

diff --git a/board/emulation/qemu-riscv/Kconfig b/board/emulation/qemu-riscv/Kconfig
index 56bb5337d4c8130bd2d22951776404791d467d3b..ed005e56786186e23df4ae636102f68a4ac4ac56 100644 (file)
--- a/board/emulation/qemu-riscv/Kconfig
+++ b/board/emulation/qemu-riscv/Kconfig
@@ -18,6 +18,7 @@ config SYS_TEXT_BASE
 
 config BOARD_SPECIFIC_OPTIONS # dummy
        def_bool y
+       select QEMU_RISCV
        imply SYS_NS16550
        imply VIRTIO_MMIO
        imply VIRTIO_NET