linux-kernel - [PATCH 3/7] ARM: dts: nuvoton: gbs: Split SPI flash partition

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Date:   Fri,  3 Mar 2023 14:34:31 +0800
From:   David Wang <tomato1220@...il.com>
To:     arnd@...db.de, olof@...om.net, soc@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
        venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org,
        fran.hsu@...ntatw.com, David Wang <davidwang@...ntatw.com>
Subject: [PATCH 3/7] ARM: dts: nuvoton: gbs: Split SPI flash partition

Split the primary and secondary BIOS SPI EEPROMs in 2 partitions

Signed-off-by: David Wang <davidwang@...ntatw.com>
---
 arch/arm/boot/dts/nuvoton-npcm730-gbs.dts | 29 ++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/nuvoton-npcm730-gbs.dts b/arch/arm/boot/dts/nuvoton-npcm730-gbs.dts
index 9e9eba8bad5e..a33766e430d7 100644
--- a/arch/arm/boot/dts/nuvoton-npcm730-gbs.dts
+++ b/arch/arm/boot/dts/nuvoton-npcm730-gbs.dts
@@ -414,7 +414,20 @@ flash@0 {
 		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <2>;
 		m25p,fast-read;
-		label = "pnor";
+		label = "bios";
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			bios-primary@0 {
+				label = "bios-primary";
+				reg = <0x0000000 0x2000000>;
+			};
+			bios-secondary@...0000 {
+				label = "bios-secondary";
+				reg = <0x2000000 0x2000000>;
+			};
+		};
 	};
 	flash@1 {
 		compatible = "jedec,spi-nor";
@@ -424,6 +437,20 @@ flash@1 {
 		spi-max-frequency = <50000000>;
 		spi-rx-bus-width = <2>;
 		m25p,fast-read;
+		label = "bios-2";
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			bios-2-primary@0 {
+				label = "bios-2-primary";
+				reg = <0x0000000 0x2000000>;
+			};
+			bios-2-secondary@...0000 {
+				label = "bios-2-secondary";
+				reg = <0x2000000 0x2000000>;
+			};
+		};
 	};
 };
 
-- 
2.25.1