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path: root/arch/riscv/configs/defconfig
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2019-08-14riscv: defconfig: Update the defconfigAlistair Francis1-0/+2
Update the defconfig: - Add CONFIG_HW_RANDOM=y and CONFIG_HW_RANDOM_VIRTIO=y to enable VirtIORNG when running on QEMU Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-07-31riscv: defconfig: align RV64 defconfig to the output of "make savedefconfig"Paul Walmsley1-5/+5
Align the RV64 defconfig to the output of "make savedefconfig" to avoid unnecessary deltas for future defconfig patches. This patch should have no runtime functional impact. Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-07-01riscv: defconfig: enable SOC_SIFIVELoys Ollivier1-5/+1
Enable SOC_SIFIVE so the default upstream config is bootable on the SiFive Unleashed Board. And have basic support for future boards based on the same SoC. Signed-off-by: Loys Ollivier <lollivier@baylibre.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> [paul.walmsley@sifive.com: updated to apply] Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-07-01RISC-V: defconfig: Enable NO_HZ_IDLE and HIGH_RES_TIMERSAnup Patel1-0/+2
This patch enables NO_HZ_IDLE (idle dynamic ticks) and HIGH_RES_TIMERS (hrtimers) in RV32 and RV64 defconfigs. Both of the above options are enabled by default for architectures such as x86, ARM, and ARM64. The idle dynamic ticks helps use save power by stopping timer ticks when the system is idle whereas hrtimers is a much improved timer subsystem compared to the old "timer wheel" based system. This patch is tested on SiFive Unleashed board and QEMU Virt machine. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-06-26RISC-V: defconfig: enable MMC & SPI for RISC-VAtish Patra1-0/+5
Currently, riscv upstream defconfig doesn't let you boot through userspace if rootfs is on the SD card. Let's enable MMC & SPI drivers as well so that one can boot to the user space using default config in upstream kernel. While here, enable automatic mounting of devtmpfs to simplify kernel testing with minimal root filesystems. (pjw) Signed-off-by: Atish Patra <atish.patra@wdc.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> [paul.walmsley@sifive.com: mention the DEVTMPFS_MOUNT change in the patch description] Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-06-11RISC-V: defconfig: enable clocks, serial consoleKevin Hilman1-0/+4
Enable PRCI clock driver and serial console by default, so the default upstream defconfig is bootable to a serial console. Signed-off-by: Kevin Hilman <khilman@baylibre.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
2019-01-24RISC-V: defconfig: Add CRYPTO_DEV_VIRTIO=yPalmer Dabbelt1-0/+1
This allows acceleration of cryptography inside QEMU. Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-01-24RISC-V: defconfig: Enable Generic PCIE by defaultAlistair Francis1-1/+2
Enable generic PCIe by default in the RISC-V defconfig, this allows us to use QEMU's PCIe support out of the box. CONFIG_RAS=y is automatically selected by generic PCIe, so it has been dropped from the defconfig. Signed-off-by: Alistair Francis <alistair.francis@wdc.com> [Palmer: Split out PCIE_XILINX and CRYPTO_DEV_VIRTIO] Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-01-23RISC-V: defconfig: Move CONFIG_PCI{,E_XILINX}Palmer Dabbelt1-2/+2
eb01d42a7778 ("PCI: consolidate PCI config entry in drivers/pci") reorganized the PCI-related Kconfig entries and resulted in a diff in our defconfig. This simply removes the diff. Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-12-17RISC-V: defconfig: Enable RISC-V SBI earlycon supportAnup Patel1-0/+1
This patch enables RISC-V SBI earlycon support in default defconfig so that we can use "earlycon=sbi" in kernel parameters for early debug prints. Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-13RISC-V: defconfig: Enable printk timestampsAnup Patel1-0/+1
The printk timestamps are very useful information to visually see where kernel is spending time during boot. It also helps us see the timing of hotplug events at runtime. This patch enables printk timestamps in RISC-V defconfig so that we have it enabled by default (similar to other architectures such as x86_64, arm64, etc). Signed-off-by: Anup Patel <anup@brainfault.org> Acked-by: Olof Johansson <olof@lixom.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-11-02RISC-V: refresh defconfigAnup Patel1-8/+8
This patch updates defconfig using savedefconfig on Linux-4.19. It is intended to have no functional change. Signed-off-by: Anup Patel <anup@brainfault.org> Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-08-13irqchip: add a SiFive PLIC driverChristoph Hellwig1-0/+1
Add a driver for the SiFive implementation of the RISC-V Platform Level Interrupt Controller (PLIC). The PLIC connects global interrupt sources to the local interrupt controller on each hart. This driver is based on the driver in the RISC-V tree from Palmer Dabbelt, but has been almost entirely rewritten since, and includes many fixes from Atish Patra. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Atish Patra <atish.patra@wdc.com> [Binding update by Palmer] Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-11RISC-V: Add CONFIG_HVC_RISCV_SBI=y to defconfigPalmer Dabbelt1-0/+1
The SBI exists on all RISC-V systems, so there's no reason not to compile this driver in. Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-04-03RISC-V: Enable module support in defconfigZong Li1-0/+2
Signed-off-by: Zong Li <zong@andestech.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-01-08RISC-V: Add a basic defconfigKarsten Merker1-0/+75
This patch provides a basic defconfig for the RISC-V architecture that enables enough kernel features to run a basic Linux distribution on qemu's "virt" board for native software development. Features include: - serial console - virtio block and network device support - VFAT and ext2/3/4 filesystem support - NFS client and NFS rootfs support - an assortment of other kernel features required for running systemd It also enables a number of drivers for physical hardware that target the "SiFive U500" SoC and the corresponding development platform. These include: - PCIe host controller support for the FPGA-based U500 development platform (PCIE_XILINX) - USB host controller support (OHCI/EHCI/XHCI) - USB HID (keyboard/mouse) support - USB mass storage support (bulk and UAS) - SATA support (AHCI) - ethernet drivers (MACB for a SoC-internal MAC block, microsemi ethernet phy, E1000E and R8169 for PCIe-connected external devices) - DRM and framebuffer console support for PCIe-connected Radeon graphics chips Signed-off-by: Karsten Merker <merker@debian.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2017-09-27RISC-V: Build InfrastructurePalmer Dabbelt1-0/+0
This patch contains all the build infrastructure that actually enables the RISC-V port. This includes Makefiles, linker scripts, and Kconfig files. It also contains the only top-level change, which adds RISC-V to the list of architectures that need a sed run to produce the ARCH variable when building locally. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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