On Mon, Apr 1, 2019 at 4:29 PM Andes uboot@andestech.com wrote:
From: Rick Chen rick@andestech.com
The Platform-Level Interrupt Controller (PLIC) block holds memory-mapped claim and pending registers associated with software interrupt. It is required for handling IPI.
Signed-off-by: Rick Chen rick@andestech.com Cc: Greentime Hu greentime@andestech.com
V3:
- Rename plic_init() as enable_ipi().
- Declase as static.
- Remove PLIC_BASE_GET() from enable_ipi().
arch/riscv/Kconfig | 9 +++ arch/riscv/include/asm/global_data.h | 3 + arch/riscv/include/asm/syscon.h | 2 +- arch/riscv/lib/Makefile | 1 + arch/riscv/lib/andes_plic.c | 110 +++++++++++++++++++++++++++++++++++ 5 files changed, 124 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/lib/andes_plic.c
Reviewed-by: Bin Meng bmeng.cn@gmail.com