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u-boot/board/emulation/qemu-riscv/Kconfig

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riscv: Add QEMU virt board support This adds QEMU RISC-V 'virt' board target support, with the hope of helping people easily test U-Boot on RISC-V. The QEMU virt machine models a generic RISC-V virtual machine with support for the VirtIO standard networking and block storage devices. It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and it also uses device-tree to pass configuration information to guest software. It implements RISC-V privileged architecture spec v1.10. Both 32-bit and 64-bit builds are supported. Support is pretty much preliminary, only booting to U-Boot shell with the UART driver on a single core. Booting Linux is not supported yet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-09-26 06:55:21 -07:00
if TARGET_QEMU_VIRT
config SYS_BOARD
default "qemu-riscv"
config SYS_VENDOR
default "emulation"
config SYS_CPU
riscv: Rename cpu/qemu to cpu/generic The QEMU CPU support under arch/riscv is pretty much generic and works fine for SiFive Unleashed as well. In fact, there will be quite a few RISC-V SOCs for which QEMU CPU support will work fine. This patch renames cpu/qemu to cpu/generic to indicate the above fact. If there are SOC specific errata workarounds required in cpu/generic then those can be done at runtime in cpu/generic based on CPU vendor specific DT compatible string. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-02-25 08:14:10 +00:00
default "generic"
riscv: Add QEMU virt board support This adds QEMU RISC-V 'virt' board target support, with the hope of helping people easily test U-Boot on RISC-V. The QEMU virt machine models a generic RISC-V virtual machine with support for the VirtIO standard networking and block storage devices. It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and it also uses device-tree to pass configuration information to guest software. It implements RISC-V privileged architecture spec v1.10. Both 32-bit and 64-bit builds are supported. Support is pretty much preliminary, only booting to U-Boot shell with the UART driver on a single core. Booting Linux is not supported yet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-09-26 06:55:21 -07:00
config SYS_CONFIG_NAME
default "qemu-riscv"
config SYS_TEXT_BASE
riscv: qemu: Use different SYS_TEXT_BASE for S-mode When u-boot runs in S-mode, the M-mode runtime firmware (BBL or equivalent) uses memory range in 0x80000000 to 0x80200000. Due to this, we cannot use 0x80000000 as SYS_TEXT_BASE when running in S-mode. Instead for S-mode, we use 0x80200000 as SYS_TEXT_BASE. Even Linux RISC-V kernel ignores/reserves memory range 0x80000000 to 0x80200000 because it runs in S-mode. Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-12-03 10:57:41 +05:30
default 0x80000000 if !RISCV_SMODE
default 0x80200000 if RISCV_SMODE
riscv: Add QEMU virt board support This adds QEMU RISC-V 'virt' board target support, with the hope of helping people easily test U-Boot on RISC-V. The QEMU virt machine models a generic RISC-V virtual machine with support for the VirtIO standard networking and block storage devices. It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and it also uses device-tree to pass configuration information to guest software. It implements RISC-V privileged architecture spec v1.10. Both 32-bit and 64-bit builds are supported. Support is pretty much preliminary, only booting to U-Boot shell with the UART driver on a single core. Booting Linux is not supported yet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-09-26 06:55:21 -07:00
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
riscv: Rename cpu/qemu to cpu/generic The QEMU CPU support under arch/riscv is pretty much generic and works fine for SiFive Unleashed as well. In fact, there will be quite a few RISC-V SOCs for which QEMU CPU support will work fine. This patch renames cpu/qemu to cpu/generic to indicate the above fact. If there are SOC specific errata workarounds required in cpu/generic then those can be done at runtime in cpu/generic based on CPU vendor specific DT compatible string. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Alexander Graf <agraf@suse.de> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-02-25 08:14:10 +00:00
select GENERIC_RISCV
riscv: Add QEMU virt board support This adds QEMU RISC-V 'virt' board target support, with the hope of helping people easily test U-Boot on RISC-V. The QEMU virt machine models a generic RISC-V virtual machine with support for the VirtIO standard networking and block storage devices. It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and it also uses device-tree to pass configuration information to guest software. It implements RISC-V privileged architecture spec v1.10. Both 32-bit and 64-bit builds are supported. Support is pretty much preliminary, only booting to U-Boot shell with the UART driver on a single core. Booting Linux is not supported yet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-09-26 06:55:21 -07:00
imply SYS_NS16550
riscv: qemu: Enumerate virtio bus during early boot Currently devices on the virtio bus is not automatically enumerated, which means peripherals on the virtio bus are not discovered by their drivers. This uses board_init() to do the virtio enumeration. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2018-10-15 02:21:13 -07:00
imply VIRTIO_MMIO
imply VIRTIO_NET
imply VIRTIO_BLK
riscv: qemu: Include some useful commands With the virtio net and blk drivers, we can do more stuff with some useful commands. Imply those in the board Kconfig. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2018-10-15 02:21:14 -07:00
imply CMD_PING
imply CMD_FS_GENERIC
imply DOS_PARTITION
imply EFI_PARTITION
imply ISO_PARTITION
imply CMD_EXT2
imply CMD_EXT4
imply CMD_FAT
riscv: qemu: detect and boot the kernel passed by QEMU QEMU embeds the location of the kernel image in the device tree. Store this address in the environment as variable kernel_start. It is used in the board-local distro boot command QEMU to boot the kernel with the U-Boot device tree. The QEMU boot command is added as the first boot target device. Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Alexander Graf <agraf@suse.de>
2018-11-22 11:26:36 +01:00
imply BOARD_LATE_INIT
riscv: qemu: clear kernel-start/-end in device tree as workaround for BBL QEMU specifies the location of Linux (supplied with the -kernel argument) in the device tree using the riscv,kernel-start and riscv,kernel-end properties. We currently rely on the SBI implementation of BBL to run Linux and therefore embed Linux as payload in BBL. This causes an issue, because BBL detects the kernel properties in the device tree and ignores the Linux payload as a result. Work around this issue by clearing the kernel properties in the device tree before booting Linux. Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2018-11-22 11:26:37 +01:00
imply OF_BOARD_SETUP
riscv: qemu: Imply SIFIVE_SERIAL for emulation This patch enables SiFive UART driver for QEMU RISC-V emulation by implying SIFIVE_SERIAL on BOARD_SPECIFIC_OPTIONS. Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2018-12-15 11:35:16 +05:30
imply SIFIVE_SERIAL
riscv: qemu: enable SMP Signed-off-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de> Reviewed-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
2019-03-17 19:28:42 +01:00
imply SMP
riscv: Add QEMU virt board support This adds QEMU RISC-V 'virt' board target support, with the hope of helping people easily test U-Boot on RISC-V. The QEMU virt machine models a generic RISC-V virtual machine with support for the VirtIO standard networking and block storage devices. It has CLINT, PLIC, 16550A UART devices in addition to VirtIO and it also uses device-tree to pass configuration information to guest software. It implements RISC-V privileged architecture spec v1.10. Both 32-bit and 64-bit builds are supported. Support is pretty much preliminary, only booting to U-Boot shell with the UART driver on a single core. Booting Linux is not supported yet. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
2018-09-26 06:55:21 -07:00
endif
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