riscv: Add a SYSCON driver for Andestech's PLMT
The platform-Level Machine Timer (PLMT) block
holds memory-mapped mtime register associated
with timer tick.
This driver implements the riscv_get_time() which
is required by the generic RISC-V timer driver.
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>
diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile
index 1bf554b..1c332db 100644
--- a/arch/riscv/lib/Makefile
+++ b/arch/riscv/lib/Makefile
@@ -12,6 +12,7 @@
obj-$(CONFIG_RISCV_RDTIME) += rdtime.o
obj-$(CONFIG_SIFIVE_CLINT) += sifive_clint.o
obj-$(CONFIG_ANDES_PLIC) += andes_plic.o
+obj-$(CONFIG_ANDES_PLMT) += andes_plmt.o
obj-y += interrupts.o
obj-y += reset.o
obj-$(CONFIG_SBI_IPI) += sbi_ipi.o