powerpc/44x: Add support for the AMCC APM821xx SoC

This patch adds CPU, device tree, defconfig and bluestone board
support for APM821xx SoC.

Signed-off-by: Tirumala R Marri <tmarri@apm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

1 files changed, 254 insertions, 0 deletions

diff --git a/arch/powerpc/boot/dts/bluestone.dts b/arch/powerpc/boot/dts/bluestone.dts
new file mode 100644
index 000000000000..9bb3d72c0e5a
--- /dev/null
+++ b/arch/powerpc/boot/dts/bluestone.dts
@@ -0,0 +1,254 @@
+/*
+ * Device Tree for Bluestone (APM821xx) board.
+ *
+ * Copyright (c) 2010, Applied Micro Circuits Corporation
+ * Author: Tirumala R Marri <tmarri@apm.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <1>;
+	model = "apm,bluestone";
+	compatible = "apm,bluestone";
+	dcr-parent = <&{/cpus/cpu@0}>;
+
+	aliases {
+		ethernet0 = &EMAC0;
+		serial0 = &UART0;
+		serial1 = &UART1;
+	};
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			model = "PowerPC,apm821xx";
+			reg = <0x00000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+			timebase-frequency = <0>; /* Filled in by U-Boot */
+			i-cache-line-size = <32>;
+			d-cache-line-size = <32>;
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			dcr-controller;
+			dcr-access-method = "native";
+			next-level-cache = <&L2C0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
+	};
+
+	UIC0: interrupt-controller0 {
+		compatible = "ibm,uic";
+		interrupt-controller;
+		cell-index = <0>;
+		dcr-reg = <0x0c0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+	};
+
+	UIC1: interrupt-controller1 {
+		compatible = "ibm,uic";
+		interrupt-controller;
+		cell-index = <1>;
+		dcr-reg = <0x0d0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC2: interrupt-controller2 {
+		compatible = "ibm,uic";
+		interrupt-controller;
+		cell-index = <2>;
+		dcr-reg = <0x0e0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	UIC3: interrupt-controller3 {
+		compatible = "ibm,uic";
+		interrupt-controller;
+		cell-index = <3>;
+		dcr-reg = <0x0f0 0x009>;
+		#address-cells = <0>;
+		#size-cells = <0>;
+		#interrupt-cells = <2>;
+		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
+		interrupt-parent = <&UIC0>;
+	};
+
+	SDR0: sdr {
+		compatible = "ibm,sdr-apm821xx";
+		dcr-reg = <0x00e 0x002>;
+	};
+
+	CPR0: cpr {
+		compatible = "ibm,cpr-apm821xx";
+		dcr-reg = <0x00c 0x002>;
+	};
+
+	plb {
+		compatible = "ibm,plb4";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges;
+		clock-frequency = <0>; /* Filled in by U-Boot */
+
+		SDRAM0: sdram {
+			compatible = "ibm,sdram-apm821xx";
+			dcr-reg = <0x010 0x002>;
+		};
+
+		MAL0: mcmal {
+			compatible = "ibm,mcmal2";
+			descriptor-memory = "ocm";
+			dcr-reg = <0x180 0x062>;
+			num-tx-chans = <1>;
+			num-rx-chans = <1>;
+			#address-cells = <0>;
+			#size-cells = <0>;
+			interrupt-parent = <&UIC2>;
+			interrupts = <	/*TXEOB*/ 0x6 0x4
+					/*RXEOB*/ 0x7 0x4
+					/*SERR*/  0x3 0x4
+					/*TXDE*/  0x4 0x4
+					/*RXDE*/  0x5 0x4
+		};
+
+		POB0: opb {
+			compatible = "ibm,opb";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
+			clock-frequency = <0>; /* Filled in by U-Boot */
+
+			EBC0: ebc {
+				compatible = "ibm,ebc";
+				dcr-reg = <0x012 0x002>;
+				#address-cells = <2>;
+				#size-cells = <1>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				/* ranges property is supplied by U-Boot */
+				ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
+				interrupts = <0x6 0x4>;
+				interrupt-parent = <&UIC1>;
+
+				nor_flash@0,0 {
+					compatible = "amd,s29gl512n", "cfi-flash";
+					bank-width = <2>;
+					reg = <0x00000000 0x00000000 0x00400000>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					partition@0 {
+						label = "kernel";
+						reg = <0x00000000 0x00180000>;
+					};
+					partition@180000 {
+						label = "env";
+						reg = <0x00180000 0x00020000>;
+					};
+					partition@1a0000 {
+						label = "u-boot";
+						reg = <0x001a0000 0x00060000>;
+					};
+				};
+			}
+
+			UART0: serial@ef600300 {
+				device_type = "serial";
+				compatible = "ns16550";
+				reg = <0xef600300 0x00000008>;
+				virtual-reg = <0xef600300>;
+				clock-frequency = <0>; /* Filled in by U-Boot */
+				current-speed = <0>; /* Filled in by U-Boot */
+				interrupt-parent = <&UIC1>;
+				interrupts = <0x1 0x4>;
+			};
+
+			IIC0: i2c@ef600700 {
+				compatible = "ibm,iic";
+				reg = <0xef600700 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x2 0x4>;
+			};
+
+			IIC1: i2c@ef600800 {
+				compatible = "ibm,iic";
+				reg = <0xef600800 0x00000014>;
+				interrupt-parent = <&UIC0>;
+				interrupts = <0x3 0x4>;
+			};
+
+			RGMII0: emac-rgmii@ef601500 {
+				compatible = "ibm,rgmii";
+				reg = <0xef601500 0x00000008>;
+				has-mdio;
+			};
+
+			TAH0: emac-tah@ef601350 {
+				compatible = "ibm,tah";
+				reg = <0xef601350 0x00000030>;
+			};
+
+			EMAC0: ethernet@ef600c00 {
+				device_type = "network";
+				compatible = "ibm,emac4sync";
+				interrupt-parent = <&EMAC0>;
+				interrupts = <0x0 0x1>;
+				#interrupt-cells = <1>;
+				#address-cells = <0>;
+				#size-cells = <0>;
+				interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
+						 /*Wake*/   0x1 &UIC2 0x14 0x4>;
+				reg = <0xef600c00 0x000000c4>;
+				local-mac-address = [000000000000]; /* Filled in by U-Boot */
+				mal-device = <&MAL0>;
+				mal-tx-channel = <0>;
+				mal-rx-channel = <0>;
+				cell-index = <0>;
+				max-frame-size = <9000>;
+				rx-fifo-size = <16384>;
+				tx-fifo-size = <2048>;
+				phy-mode = "rgmii";
+				phy-map = <0x00000000>;
+				rgmii-device = <&RGMII0>;
+				rgmii-channel = <0>;
+				tah-device = <&TAH0>;
+				tah-channel = <0>;
+				has-inverted-stacr-oc;
+				has-new-stacr-staopc;
+			};
+		};
+
+	};
+};