2024-02-01 04:40:25

by Zev Weiss

Subject: [PATCH] ARM: dts: aspeed: asrock: Use MAC address from FRU EEPROM

Like the more recently added ASRock BMC platforms, e3c246d4i and
romed8hm3 also have the BMC's MAC address available in the baseboard
FRU EEPROM, so let's add support for using it.

Signed-off-by: Zev Weiss <[email protected]>
---
arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts | 9 +++++++++
arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-romed8hm3.dts | 9 +++++++++
2 files changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts
index c4b2efbfdf56..bb2e6ef609af 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-e3c246d4i.dts
@@ -83,6 +83,9 @@ &mac0 {

pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+
+ nvmem-cells = <&eth0_macaddress>;
+ nvmem-cell-names = "mac-address";
};

&i2c1 {
@@ -103,6 +106,12 @@ eeprom@57 {
compatible = "st,24c128", "atmel,24c128";
reg = <0x57>;
pagesize = <16>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eth0_macaddress: macaddress@3f80 {
+ reg = <0x3f80 6>;
+ };
};
};

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-romed8hm3.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-romed8hm3.dts
index 4554abf0c7cd..f8a1764a4424 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-romed8hm3.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-asrock-romed8hm3.dts
@@ -71,6 +71,9 @@ &mac0 {

pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+
+ nvmem-cells = <&eth0_macaddress>;
+ nvmem-cell-names = "mac-address";
};

&i2c0 {
@@ -131,6 +134,12 @@ eeprom@50 {
compatible = "st,24c128", "atmel,24c128";
reg = <0x50>;
pagesize = <16>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eth0_macaddress: macaddress@3f80 {
+ reg = <0x3f80 6>;
+ };
};
};

--
2.43.0