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This allows acceleration of cryptography inside QEMU.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Signed-off-by: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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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>
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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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