board: riscv: add openpiton-riscv64 SoC support
This patch adds openpiton-riscv64 SOC support. In particular, this
board supports a standard bootflow through zsbl->u-boot SPL->
opensbi->u-boot proper->Linux. There are separate defconfigs for
building u-boot SPL and u-boot proper
Signed-off-by: Tianrui Wei <tianrui-wei@outlook.com>
Signed-off-by: Jonathan Balkind <jbalkind@ucsb.edu>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
diff --git a/doc/board/index.rst b/doc/board/index.rst
index 747511f..6fc0442 100644
--- a/doc/board/index.rst
+++ b/doc/board/index.rst
@@ -19,6 +19,7 @@
intel/index
kontron/index
microchip/index
+ openpiton/index
rockchip/index
sifive/index
sipeed/index