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-rw-r--r--arch/arm/boot/dts/Makefile1
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts368
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts39
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts24
-rw-r--r--arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts9
-rw-r--r--arch/arm/boot/dts/facebook-bmc-flash-layout.dtsi42
6 files changed, 475 insertions, 8 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6e843f3274fc..76872541a376 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1219,6 +1219,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-ast2500-evb.dtb \
aspeed-bmc-arm-centriq2400-rep.dtb \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
+ aspeed-bmc-facebook-cmm.dtb \
aspeed-bmc-facebook-tiogapass.dtb \
aspeed-bmc-intel-s2600wf.dtb \
aspeed-bmc-opp-lanyang.dtb \
diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
new file mode 100644
index 000000000000..9f194b5eeba4
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-cmm.dts
@@ -0,0 +1,368 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2018 Facebook Inc.
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+
+/ {
+ model = "Facebook Backpack CMM BMC";
+ compatible = "facebook,cmm-bmc", "aspeed,ast2500";
+
+ aliases {
+ /*
+ * Override the default uart aliases to avoid breaking
+ * the legacy applications.
+ */
+ serial0 = &uart5;
+ serial1 = &uart1;
+ serial2 = &uart3;
+ serial3 = &uart4;
+
+ /*
+ * Hardcode the bus number of i2c switches' channels to
+ * avoid breaking the legacy applications.
+ */
+ i2c16 = &imux16;
+ i2c17 = &imux17;
+ i2c18 = &imux18;
+ i2c19 = &imux19;
+ i2c20 = &imux20;
+ i2c21 = &imux21;
+ i2c22 = &imux22;
+ i2c23 = &imux23;
+ i2c24 = &imux24;
+ i2c25 = &imux25;
+ i2c26 = &imux26;
+ i2c27 = &imux27;
+ i2c28 = &imux28;
+ i2c29 = &imux29;
+ i2c30 = &imux30;
+ i2c31 = &imux31;
+ i2c32 = &imux32;
+ i2c33 = &imux33;
+ i2c34 = &imux34;
+ i2c35 = &imux35;
+ i2c36 = &imux36;
+ i2c37 = &imux37;
+ i2c38 = &imux38;
+ i2c39 = &imux39;
+ };
+
+ chosen {
+ stdout-path = &uart1;
+ bootargs = "console=ttyS1,9600n8 root=/dev/ram rw earlyprintk";
+ };
+
+ memory@80000000 {
+ reg = <0x80000000 0x20000000>;
+ };
+};
+
+&pinctrl {
+ aspeed,external-nodes = <&gfx &lhc>;
+};
+
+/*
+ * Update reset type to "system" (full chip) to fix warm reboot hang issue
+ * when reset type is set to default ("soc", gated by reset mask registers).
+ */
+&wdt1 {
+ status = "okay";
+ aspeed,reset-type = "system";
+};
+
+/*
+ * wdt2 is not used by Backpack CMM.
+ */
+&wdt2 {
+ status = "disabled";
+};
+
+&fmc {
+ status = "okay";
+ flash@0 {
+ status = "okay";
+ m25p,fast-read;
+ label = "bmc";
+#include "facebook-bmc-flash-layout.dtsi"
+ };
+};
+
+&uart1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd1_default
+ &pinctrl_rxd1_default
+ &pinctrl_ncts1_default
+ &pinctrl_ndcd1_default
+ &pinctrl_ndsr1_default
+ &pinctrl_ndtr1_default
+ &pinctrl_nrts1_default>;
+};
+
+&uart3 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd3_default
+ &pinctrl_rxd3_default
+ &pinctrl_ncts3_default
+ &pinctrl_ndcd3_default
+ &pinctrl_nri3_default>;
+};
+
+&uart4 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_txd4_default
+ &pinctrl_rxd4_default>;
+};
+
+&uart5 {
+ status = "okay";
+};
+
+&mac1 {
+ status = "okay";
+ no-hw-checksum;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
+};
+
+/*
+ * I2C bus reserved for communication with COM-E.
+ */
+&i2c0 {
+ status = "okay";
+};
+
+/*
+ * I2C bus to Line Cards and Fabric Cards.
+ */
+&i2c1 {
+ status = "okay";
+
+ i2c-switch@77 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x77>;
+
+ imux16: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux17: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux18: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux19: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux20: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux21: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux22: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux23: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+/*
+ * I2C bus to Power Distribution Board.
+ */
+&i2c2 {
+ status = "okay";
+
+ i2c-switch@71 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x71>;
+
+ imux24: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux25: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux26: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux27: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux28: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux29: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux30: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux31: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+/*
+ * I2c bus connected with temperature sensors on CMM.
+ */
+&i2c3 {
+ status = "okay";
+};
+
+/*
+ * I2C bus reserved for communication with COM-E.
+ */
+&i2c4 {
+ status = "okay";
+};
+
+/*
+ * I2c bus connected with ADM1278.
+ */
+&i2c5 {
+ status = "okay";
+};
+
+/*
+ * I2c bus connected with I/O Expander.
+ */
+&i2c6 {
+ status = "okay";
+};
+
+/*
+ * I2c bus connected with I/O Expander and EPROMs.
+ */
+&i2c7 {
+ status = "okay";
+};
+
+/*
+ * I2C bus to Fan Control Board.
+ */
+&i2c8 {
+ status = "okay";
+
+ i2c-switch@77 {
+ compatible = "nxp,pca9548";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x77>;
+
+ imux32: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ imux33: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ imux34: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ imux35: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ imux36: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ imux37: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ imux38: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ imux39: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+ };
+};
+
+/*
+ * I2C bus to CMM CPLD.
+ */
+&i2c13 {
+ status = "okay";
+};
+
+&adc {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
index c7084a819dc6..9aa1d4467453 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
@@ -26,6 +26,16 @@
no-map;
reg = <0x5f000000 0x01000000>; /* 16M */
};
+
+ coldfire_memory: codefire_memory@5ee00000 {
+ reg = <0x5ee00000 0x00200000>;
+ no-map;
+ };
+
+ flash_memory: region@98000000 {
+ no-map;
+ reg = <0x98000000 0x01000000>; /* 16MB */
+ };
};
leds {
@@ -44,6 +54,22 @@
};
};
+ fsi: gpio-fsi {
+ compatible = "aspeed,ast2400-cf-fsi-master", "fsi-master";
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ memory-region = <&coldfire_memory>;
+ aspeed,sram = <&sram>;
+ aspeed,cvic = <&cvic>;
+
+ clock-gpios = <&gpio ASPEED_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
+ data-gpios = <&gpio ASPEED_GPIO(A, 5) GPIO_ACTIVE_HIGH>;
+ mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
+ enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
+ trans-gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
+ };
+
gpio-keys {
compatible = "gpio-keys";
@@ -169,6 +195,12 @@
status = "okay";
};
+&lpc_ctrl {
+ status = "okay";
+ memory-region = <&flash_memory>;
+ flash = <&spi>;
+};
+
&gpio {
pin_func_mode0 {
gpio-hog;
@@ -303,13 +335,6 @@
line-name = "SYS_PWROK_BMC";
};
- pin_gpio_h6 {
- gpio-hog;
- gpios = <ASPEED_GPIO(H, 6) GPIO_ACTIVE_HIGH>;
- output-high;
- line-name = "SCM1_FSI0_DATA_EN";
- };
-
pin_gpio_h7 {
gpio-hog;
gpios = <ASPEED_GPIO(H, 7) GPIO_ACTIVE_HIGH>;
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
index 7d28c03a9e0b..76fe994f2ba4 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
@@ -30,6 +30,11 @@
no-map;
reg = <0x98000000 0x04000000>; /* 64M */
};
+
+ coldfire_memory: codefire_memory@9ef00000 {
+ reg = <0x9ef00000 0x00100000>;
+ no-map;
+ };
};
leds {
@@ -49,11 +54,15 @@
};
fsi: gpio-fsi {
- compatible = "fsi-master-gpio", "fsi-master";
+ compatible = "aspeed,ast2500-cf-fsi-master", "fsi-master";
#address-cells = <2>;
#size-cells = <0>;
no-gpio-delays;
+ memory-region = <&coldfire_memory>;
+ aspeed,sram = <&sram>;
+ aspeed,cvic = <&cvic>;
+
clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
data-gpios = <&gpio ASPEED_GPIO(AA, 2) GPIO_ACTIVE_HIGH>;
mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
@@ -76,6 +85,11 @@
linux,code = <ASPEED_GPIO(Q, 7)>;
};
};
+
+ iio-hwmon-battery {
+ compatible = "iio-hwmon";
+ io-channels = <&adc 12>;
+ };
};
&fmc {
@@ -274,3 +288,11 @@
&ibt {
status = "okay";
};
+
+&vhub {
+ status = "okay";
+};
+
+&adc {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
index 656036106001..ad54117c075e 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
@@ -56,6 +56,11 @@
};
};
+ iio-hwmon-battery {
+ compatible = "iio-hwmon";
+ io-channels = <&adc 12>;
+ };
+
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;
@@ -583,3 +588,7 @@
&ibt {
status = "okay";
};
+
+&adc {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/facebook-bmc-flash-layout.dtsi b/arch/arm/boot/dts/facebook-bmc-flash-layout.dtsi
new file mode 100644
index 000000000000..87bb8b576250
--- /dev/null
+++ b/arch/arm/boot/dts/facebook-bmc-flash-layout.dtsi
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2018 Facebook Inc.
+
+partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ u-boot@0 {
+ reg = <0x0 0x60000>;
+ label = "u-boot";
+ };
+
+ u-boot-env@60000 {
+ reg = <0x60000 0x20000>;
+ label = "env";
+ };
+
+ fit@80000 {
+ reg = <0x80000 0x1b80000>;
+ label = "fit";
+ };
+
+ /*
+ * "data0" partition is used by several Facebook BMC platforms
+ * as persistent data store.
+ */
+ data0@1c00000 {
+ reg = <0x1c00000 0x400000>;
+ label = "data0";
+ };
+
+ /*
+ * Although the master partition can be created by enabling
+ * MTD_PARTITIONED_MASTER option, below "flash0" partition is
+ * explicitly created to avoid breaking legacy applications.
+ */
+ flash0@0 {
+ reg = <0x0 0x2000000>;
+ label = "flash0";
+ };
+};
generated by cgit (git 2.34.1) at 2025-06-17 23:16:44 +0000