tree b48b25b552a66db5d7e92dd23bdacf82484ddd41
parent d0a8fd3e4d2a5ab19b8f2d27d40dacb4942ba5a4
author Rick Chen <rick@andestech.com> 1554191799 +0800
committer Andes <uboot@andestech.com> 1554687908 +0800

riscv: Add a SYSCON driver for Andestech's PLIC

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>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>