@@ -839,6 +839,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
mt8127-moose.dtb \
mt8135-evbp1.dtb
dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
+dtb-$(CONFIG_ARCH_ASPEED) += aspeed-bmc-opp-palmetto.dtb
endif
dtstree := $(srctree)/$(src)
new file mode 100644
@@ -0,0 +1,21 @@
+/dts-v1/;
+
+#include "aspeed-g4.dtsi"
+
+/ {
+ model = "Palmetto BMC";
+ compatible = "tyan,palmetto-bmc", "aspeed,ast2400";
+
+ chosen {
+ stdout-path = &uart5;
+ bootargs = "console=ttyS4,38400";
+ };
+
+ memory {
+ reg = < 0x40000000 0x10000000 >;
+ };
+};
+
+&uart5 {
+ status = "okay";
+};
new file mode 100644
@@ -0,0 +1,152 @@
+#include "skeleton.dtsi"
+
+/ {
+ model = "Aspeed BMC";
+ compatible = "aspeed,ast2400";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&vic>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "arm,arm926ej-s";
+ device_type = "cpu";
+ reg = <0>;
+ };
+ };
+
+ aliases {
+ serial0 = &uart1;
+ serial1 = &uart2;
+ serial2 = &uart3;
+ serial3 = &uart4;
+ serial4 = &uart5;
+ serial5 = &uart6;
+ };
+
+ clocks {
+ clk_clkin: clk_clkin {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <48000000>;
+ };
+
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ vic: interrupt-controller@1e6c0080 {
+ compatible = "aspeed,ast2400-vic";
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ valid-sources = <0xffffffff 0x0007ffff>;
+ reg = <0x1e6c0080 0x80>;
+ };
+
+ apb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ clk_hpll: clk_hpll@1e6e2070 {
+ #clock-cells = <0>;
+ compatible = "aspeed,g4-hpll-clock";
+ reg = <0x1e6e2070 0x4>;
+ clocks = <&clk_clkin>;
+ };
+
+ clk_apb: clk_apb@1e6e2008 {
+ #clock-cells = <0>;
+ compatible = "aspeed,g4-apb-clock";
+ reg = <0x1e6e2008 0x4>;
+ clocks = <&clk_hpll>;
+ };
+
+ sram@1e720000 {
+ compatible = "mmio-sram";
+ reg = <0x1e720000 0x8000>; // 32K
+ };
+
+ timer: timer@1e782000 {
+ compatible = "aspeed,ast2400-timer";
+ reg = <0x1e782000 0x90>;
+ // The moxart_timer driver registers only one
+ // interrupt and assumes it's for timer 1
+ //interrupts = <16 17 18 35 36 37 38 39>;
+ interrupts = <16>;
+ clocks = <&clk_apb>;
+ };
+
+ uart1: serial@1e783000 {
+ compatible = "ns16550a";
+ reg = <0x1e783000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <9>;
+ clock-frequency = <1843200>;
+ no-loopback-test;
+ status = "disabled";
+ };
+
+ uart2: serial@1e78d000 {
+ compatible = "ns16550a";
+ reg = <0x1e78d000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <32>;
+ clock-frequency = <1843200>;
+ no-loopback-test;
+ status = "disabled";
+ };
+
+ uart3: serial@1e78e000 {
+ compatible = "ns16550a";
+ reg = <0x1e78e000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <33>;
+ clock-frequency = <1843200>;
+ no-loopback-test;
+ status = "disabled";
+ };
+
+ uart4: serial@1e78f000 {
+ compatible = "ns16550a";
+ reg = <0x1e78f000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <34>;
+ clock-frequency = <1843200>;
+ current-speed = <115200>;
+ no-loopback-test;
+ status = "disabled";
+ };
+
+ uart5: serial@1e784000 {
+ compatible = "ns16550a";
+ reg = <0x1e784000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <10>;
+ clock-frequency = <1843200>;
+ current-speed = <38400>;
+ no-loopback-test;
+ status = "disabled";
+ };
+
+ uart6: serial@1e787000 {
+ compatible = "ns16550a";
+ reg = <0x1e787000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <10>;
+ clock-frequency = <1843200>;
+ current-speed = <38400>;
+ no-loopback-test;
+ status = "disabled";
+ };
+ };
+ };
+};
A common device tree for all forth gen/ast2400 systems and a board specific dts for the Palmetto OpenPower developemnt machine which was used for testing. Signed-off-by: Joel Stanley <joel@jms.id.au> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 21 ++++ arch/arm/boot/dts/aspeed-g4.dtsi | 152 ++++++++++++++++++++++++++ 3 files changed, 174 insertions(+) create mode 100644 arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts create mode 100644 arch/arm/boot/dts/aspeed-g4.dtsi -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel