From 921d5477b971693892025a3b76feb3628a078b50 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 17 Jan 2021 21:27:13 +0000
Subject: [PATCH 1/2] cmd/riscv/sbi: support System Reset Extension

Let the sbi command detect the 'System Reset Extension'
(EID #0x53525354 "SRST").

Cf. https://github.com/riscv/riscv-sbi-doc

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Pragnesh Patel <pragnesh.patel@openfive.com>
Reviewed-by: Leo Liang <ycliang@andestech.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
---
 cmd/riscv/sbi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmd/riscv/sbi.c b/cmd/riscv/sbi.c
index 2c905f1f8f..90c0811e14 100644
--- a/cmd/riscv/sbi.c
+++ b/cmd/riscv/sbi.c
@@ -43,6 +43,7 @@ static struct sbi_ext extensions[] = {
 	{ 0x00735049, "IPI Extension" },
 	{ 0x52464E43, "RFENCE Extension" },
 	{ 0x0048534D, "Hart State Management Extension" },
+	{ 0x53525354, "System Reset Extension" },
 };
 
 static int do_sbi(struct cmd_tbl *cmdtp, int flag, int argc,

From 5540294fa48598bf1aa8aa4d9084506a19bbd64c Mon Sep 17 00:00:00 2001
From: Sean Anderson <seanga2@gmail.com>
Date: Thu, 4 Feb 2021 23:11:19 -0500
Subject: [PATCH 2/2] riscv: k210: Enable QSPI for spi3

This device has four IOs connected to the SPI flash. Add the appropriate
bindings.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Leo Liang <ycliang@andestech.com>
---
 arch/riscv/dts/k210-maix-bit.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/riscv/dts/k210-maix-bit.dts b/arch/riscv/dts/k210-maix-bit.dts
index e4dea205b2..902dcfd08a 100644
--- a/arch/riscv/dts/k210-maix-bit.dts
+++ b/arch/riscv/dts/k210-maix-bit.dts
@@ -200,6 +200,8 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
 		m25p,fast-read;
 		broken-flash-reset;
 	};