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2018-03-07SiFive Freedom U Series RISC-V MachineMichael Clark1-0/+69
This provides a RISC-V Board compatible with the the SiFive Freedom U SDK. The following machine is implemented: - 'sifive_u'; CLINT, PLIC, UART, device-tree Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive Freedom E Series RISC-V MachineMichael Clark1-0/+79
This provides a RISC-V Board compatible with the the SiFive Freedom E SDK. The following machine is implemented: - 'sifive_e'; CLINT, PLIC, UART, AON, GPIO, QSPI, PWM Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V PRCI BlockMichael Clark1-0/+37
Simple model of the PRCI (Power, Reset, Clock, Interrupt) to emulate register reads made by the SDK BSP. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V UART DeviceMichael Clark1-0/+71
QEMU model of the UART on the SiFive E300 and U500 series SOCs. BBL supports the SiFive UART for early console access via the SBI (Supervisor Binary Interface) and the linux kernel SBI console. The SiFive UART implements the pre qom legacy interface consistent with the 16550a UART in 'hw/char/serial.c'. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V VirtIO MachineMichael Clark1-0/+74
RISC-V machine with device-tree, 16550a UART and VirtIO MMIO. The following machine is implemented: - 'virt'; CLINT, PLIC, 16550A UART, VirtIO MMIO, device-tree Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V Test FinisherMichael Clark1-0/+42
Test finisher memory mapped device used to exit simulation. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V Spike MachinesMichael Clark1-0/+53
RISC-V machines compatble with Spike aka riscv-isa-sim, the RISC-V Instruction Set Simulator. The following machines are implemented: - 'spike_v1.9.1'; HTIF console, config-string, Privileged ISA Version 1.9.1 - 'spike_v1.10'; HTIF console, device-tree, Privileged ISA Version 1.10 Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V PLIC BlockMichael Clark1-0/+85
The PLIC (Platform Level Interrupt Controller) device provides a parameterizable interrupt controller based on SiFive's PLIC specification. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07SiFive RISC-V CLINT BlockMichael Clark1-0/+50
The CLINT (Core Local Interruptor) device provides real-time clock, timer and interprocessor interrupts based on SiFive's CLINT specification. Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V HART ArrayMichael Clark1-0/+39
Holds the state of a heterogenous array of RISC-V hardware threads. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
2018-03-07RISC-V HTIF ConsoleMichael Clark1-0/+61
HTIF (Host Target Interface) provides console emulation for QEMU. HTIF allows identical copies of BBL (Berkeley Boot Loader) and linux to run on both Spike and QEMU. BBL provides HTIF console access via the SBI (Supervisor Binary Interface) and the linux kernel SBI console. The HTIT chardev implements the pre qom legacy interface consistent with the 16550a UART in 'hw/char/serial.c'. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Stefan O'Rear <sorear2@gmail.com> Signed-off-by: Michael Clark <mjc@sifive.com>
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