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-rw-r--r--arch/powerpc/boot/dts/microwatt.dts152
1 files changed, 152 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/microwatt.dts b/arch/powerpc/boot/dts/microwatt.dts
new file mode 100644
index 000000000..b69db1d27
--- /dev/null
+++ b/arch/powerpc/boot/dts/microwatt.dts
@@ -0,0 +1,152 @@
+/dts-v1/;
+
+/ {
+ #size-cells = <0x02>;
+ #address-cells = <0x02>;
+ model-name = "microwatt";
+ compatible = "microwatt-soc";
+
+ aliases {
+ serial0 = &UART0;
+ };
+
+ reserved-memory {
+ #size-cells = <0x02>;
+ #address-cells = <0x02>;
+ ranges;
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x00000000 0x00000000 0x00000000 0x10000000>;
+ };
+
+ cpus {
+ #size-cells = <0x00>;
+ #address-cells = <0x01>;
+
+ ibm,powerpc-cpu-features {
+ display-name = "Microwatt";
+ isa = <3000>;
+ device_type = "cpu-features";
+ compatible = "ibm,powerpc-cpu-features";
+
+ mmu-radix {
+ isa = <3000>;
+ usable-privilege = <2>;
+ };
+
+ little-endian {
+ isa = <2050>;
+ usable-privilege = <3>;
+ hwcap-bit-nr = <1>;
+ };
+
+ cache-inhibited-large-page {
+ isa = <2040>;
+ usable-privilege = <2>;
+ };
+
+ fixed-point-v3 {
+ isa = <3000>;
+ usable-privilege = <3>;
+ };
+
+ no-execute {
+ isa = <2010>;
+ usable-privilege = <2>;
+ };
+
+ floating-point {
+ hwcap-bit-nr = <27>;
+ isa = <0>;
+ usable-privilege = <3>;
+ };
+ };
+
+ PowerPC,Microwatt@0 {
+ i-cache-sets = <2>;
+ ibm,dec-bits = <64>;
+ reservation-granule-size = <64>;
+ clock-frequency = <100000000>;
+ timebase-frequency = <100000000>;
+ i-tlb-sets = <1>;
+ ibm,ppc-interrupt-server#s = <0>;
+ i-cache-block-size = <64>;
+ d-cache-block-size = <64>;
+ d-cache-sets = <2>;
+ i-tlb-size = <64>;
+ cpu-version = <0x990000>;
+ status = "okay";
+ i-cache-size = <0x1000>;
+ ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>;
+ tlb-size = <0>;
+ tlb-sets = <0>;
+ device_type = "cpu";
+ d-tlb-size = <128>;
+ d-tlb-sets = <2>;
+ reg = <0>;
+ general-purpose;
+ 64-bit;
+ d-cache-size = <0x1000>;
+ ibm,chip-id = <0>;
+ ibm,mmu-lpid-bits = <12>;
+ ibm,mmu-pid-bits = <20>;
+ };
+ };
+
+ soc@c0000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&ICS>;
+
+ ranges = <0 0 0xc0000000 0x40000000>;
+
+ interrupt-controller@4000 {
+ compatible = "openpower,xics-presentation", "ibm,ppc-xicp";
+ ibm,interrupt-server-ranges = <0x0 0x1>;
+ reg = <0x4000 0x100>;
+ };
+
+ ICS: interrupt-controller@5000 {
+ compatible = "openpower,xics-sources";
+ interrupt-controller;
+ interrupt-ranges = <0x10 0x10>;
+ reg = <0x5000 0x100>;
+ #address-cells = <0>;
+ #size-cells = <0>;
+ #interrupt-cells = <2>;
+ };
+
+ UART0: serial@2000 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x2000 0x8>;
+ clock-frequency = <100000000>;
+ current-speed = <115200>;
+ reg-shift = <2>;
+ fifo-size = <16>;
+ interrupts = <0x10 0x1>;
+ };
+
+ ethernet@8020000 {
+ compatible = "litex,liteeth";
+ reg = <0x8021000 0x100
+ 0x8020800 0x100
+ 0x8030000 0x2000>;
+ reg-names = "mac", "mido", "buffer";
+ litex,rx-slots = <2>;
+ litex,tx-slots = <2>;
+ litex,slot-size = <0x800>;
+ interrupts = <0x11 0x1>;
+ };
+ };
+
+ chosen {
+ bootargs = "";
+ ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00
+ 00 00 00 00 00 00 00 00 40 00 40];
+ stdout-path = &UART0;
+ };
+};