[POWERPC] 83xx: Add MPC832x RDB board support.

Add support for the MPC8323E Reference Development Board (RDB).  The board
is a mini-ITX reference board with 64M DDR2, 16M flash, USB, PCI,
10/100 ethernet, serial, and phone ports.
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/mpc832x_rdb.dts

+/*
+ * MPC832x RDB Device Tree Source
+ *
+ * Copyright 2007 Freescale Semiconductor Inc.
+ *
+ * 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.
+ */
+
+/ {
+	model = "MPC8323ERDB";
+	compatible = "MPC8323ERDB", "MPC832xRDB", "MPC83xxRDB";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		PowerPC,8323@0 {
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-line-size = <20>;	// 32 bytes
+			i-cache-line-size = <20>;	// 32 bytes
+			d-cache-size = <4000>;		// L1, 16K
+			i-cache-size = <4000>;		// L1, 16K
+			timebase-frequency = <0>;
+			bus-frequency = <0>;
+			clock-frequency = <0>;
+			32-bit;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <00000000 04000000>;
+	};
+
+	soc8323@e0000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		#interrupt-cells = <2>;
+		device_type = "soc";
+		ranges = <0 e0000000 00100000>;
+		reg = <e0000000 00000200>;
+		bus-frequency = <0>;
+
+		wdt@200 {
+			device_type = "watchdog";
+			compatible = "mpc83xx_wdt";
+			reg = <200 100>;
+		};
+
+		i2c@3000 {
+			device_type = "i2c";
+			compatible = "fsl-i2c";
+			reg = <3000 100>;
+			interrupts = <e 8>;
+			interrupt-parent = <&pic>;
+			dfsrr;
+		};
+
+		serial@4500 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <4500 100>;
+			clock-frequency = <0>;
+			interrupts = <9 8>;
+			interrupt-parent = <&pic>;
+		};
+
+		serial@4600 {
+			device_type = "serial";
+			compatible = "ns16550";
+			reg = <4600 100>;
+			clock-frequency = <0>;
+			interrupts = <a 8>;
+			interrupt-parent = <&pic>;
+		};
+
+		crypto@30000 {
+			device_type = "crypto";
+			model = "SEC2";
+			compatible = "talitos";
+			reg = <30000 7000>;
+			interrupts = <b 8>;
+			interrupt-parent = <&pic>;
+			/* Rev. 2.2 */
+			num-channels = <1>;
+			channel-fifo-len = <18>;
+			exec-units-mask = <0000004c>;
+			descriptor-types-mask = <0122003f>;
+		};
+
+		pci@8500 {
+			interrupt-map-mask = <f800 0 0 7>;
+			interrupt-map = <
+					/* IDSEL 0x10 AD16 (USB) */
+					 8000 0 0 1 &pic 11 8
+
+					/* IDSEL 0x11 AD17 (Mini1)*/
+					 8800 0 0 1 &pic 12 8
+					 8800 0 0 2 &pic 13 8
+					 8800 0 0 3 &pic 14 8
+					 8800 0 0 4 &pic 30 8
+
+					/* IDSEL 0x12 AD18 (PCI/Mini2) */
+					 9000 0 0 1 &pic 13 8
+					 9000 0 0 2 &pic 14 8
+					 9000 0 0 3 &pic 30 8
+					 9000 0 0 4 &pic 11 8>;
+
+			interrupt-parent = <&pic>;
+			interrupts = <42 8>;
+			bus-range = <0 0>;
+			ranges = <42000000 0 80000000 80000000 0 10000000
+			          02000000 0 90000000 90000000 0 10000000
+			          01000000 0 d0000000 d0000000 0 04000000>;
+			clock-frequency = <0>;
+			#interrupt-cells = <1>;
+			#size-cells = <2>;
+			#address-cells = <3>;
+			reg = <8500 100>;
+			compatible = "83xx";
+			device_type = "pci";
+		};
+
+		pic:pic@700 {
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			reg = <700 100>;
+			built-in;
+			device_type = "ipic";
+		};
+
+		par_io@1400 {
+			reg = <1400 100>;
+			device_type = "par_io";
+			num-ports = <7>;
+
+			ucc2pio:ucc_pin@02 {
+				pio-map = <
+			/* port  pin  dir  open_drain  assignment  has_irq */
+					3  4  3  0  2  0 	/* MDIO */
+					3  5  1  0  2  0 	/* MDC */
+					3 15  2  0  1  0 	/* RX_CLK (CLK16) */
+					3 17  2  0  1  0 	/* TX_CLK (CLK3) */
+					0 12  1  0  1  0 	/* TxD0 */
+					0 13  1  0  1  0 	/* TxD1 */
+					0 14  1  0  1  0 	/* TxD2 */
+					0 15  1  0  1  0 	/* TxD3 */
+					0 16  2  0  1  0 	/* RxD0 */
+					0 17  2  0  1  0 	/* RxD1 */
+					0 18  2  0  1  0 	/* RxD2 */
+					0 19  2  0  1  0 	/* RxD3 */
+					0 1a  2  0  1  0 	/* RX_ER */
+					0 1b  1  0  1  0 	/* TX_ER */
+					0 1c  2  0  1  0 	/* RX_DV */
+					0 1d  2  0  1  0 	/* COL */
+					0 1e  1  0  1  0 	/* TX_EN */
+					0 1f  2  0  1  0>;      /* CRS */
+			};
+			ucc3pio:ucc_pin@03 {
+				pio-map = <
+			/* port  pin  dir  open_drain  assignment  has_irq */
+					0  d  2  0  1  0 	/* RX_CLK (CLK9) */
+					3 18  2  0  1  0 	/* TX_CLK (CLK10) */
+					1  0  1  0  1  0 	/* TxD0 */
+					1  1  1  0  1  0 	/* TxD1 */
+					1  2  1  0  1  0 	/* TxD2 */
+					1  3  1  0  1  0 	/* TxD3 */
+					1  4  2  0  1  0 	/* RxD0 */
+					1  5  2  0  1  0 	/* RxD1 */
+					1  6  2  0  1  0 	/* RxD2 */
+					1  7  2  0  1  0 	/* RxD3 */
+					1  8  2  0  1  0 	/* RX_ER */
+					1  9  1  0  1  0 	/* TX_ER */
+					1  a  2  0  1  0 	/* RX_DV */
+					1  b  2  0  1  0 	/* COL */
+					1  c  1  0  1  0 	/* TX_EN */
+					1  d  2  0  1  0>;      /* CRS */
+			};
+		};
+	};
+
+	qe@e0100000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		device_type = "qe";
+		model = "QE";
+		ranges = <0 e0100000 00100000>;
+		reg = <e0100000 480>;
+		brg-frequency = <0>;
+		bus-frequency = <BCD3D80>;
+
+		muram@10000 {
+			device_type = "muram";
+			ranges = <0 00010000 00004000>;
+
+			data-only@0 {
+				reg = <0 4000>;
+			};
+		};
+
+		spi@4c0 {
+			device_type = "spi";
+			compatible = "fsl_spi";
+			reg = <4c0 40>;
+			interrupts = <2>;
+			interrupt-parent = <&qeic>;
+			mode = "cpu";
+		};
+
+		spi@500 {
+			device_type = "spi";
+			compatible = "fsl_spi";
+			reg = <500 40>;
+			interrupts = <1>;
+			interrupt-parent = <&qeic>;
+			mode = "cpu";
+		};
+
+		ucc@3000 {
+			device_type = "network";
+			compatible = "ucc_geth";
+			model = "UCC";
+			device-id = <2>;
+			reg = <3000 200>;
+			interrupts = <21>;
+			interrupt-parent = <&qeic>;
+			mac-address = [ 00 04 9f ef 03 02 ];
+			rx-clock = <20>;
+			tx-clock = <13>;
+			phy-handle = <&phy00>;
+			pio-handle = <&ucc2pio>;
+		};
+
+		ucc@2200 {
+			device_type = "network";
+			compatible = "ucc_geth";
+			model = "UCC";
+			device-id = <3>;
+			reg = <2200 200>;
+			interrupts = <22>;
+			interrupt-parent = <&qeic>;
+			mac-address = [ 00 04 9f ef 03 01 ];
+			rx-clock = <19>;
+			tx-clock = <1a>;
+			phy-handle = <&phy04>;
+			pio-handle = <&ucc3pio>;
+		};
+
+		mdio@3120 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <3120 18>;
+			device_type = "mdio";
+			compatible = "ucc_geth_phy";
+
+			phy00:ethernet-phy@00 {
+				interrupt-parent = <&pic>;
+				interrupts = <0>;
+				reg = <0>;
+				device_type = "ethernet-phy";
+				interface = <3>; //ENET_100_MII
+			};
+			phy04:ethernet-phy@04 {
+				interrupt-parent = <&pic>;
+				interrupts = <0>;
+				reg = <4>;
+				device_type = "ethernet-phy";
+				interface = <3>;
+			};
+		};
+
+		qeic:qeic@80 {
+			interrupt-controller;
+			device_type = "qeic";
+			#address-cells = <0>;
+			#interrupt-cells = <1>;
+			reg = <80 80>;
+			built-in;
+			big-endian;
+			interrupts = <20 8 21 8>; //high:32 low:33
+			interrupt-parent = <&pic>;
+		};
+	};
+};

arch/powerpc/platforms/83xx/Kconfig

@@ -18,6 +18,13 @@ config MPC832x_MDS
 	help
 	  This option enables support for the MPC832x MDS evaluation board.
 
+config MPC832x_RDB
+	bool "Freescale MPC832x RDB"
+	select DEFAULT_UIMAGE
+	select QUICC_ENGINE
+	help
+	  This option enables support for the MPC8323 RDB board.
+
 config MPC834x_MDS
 	bool "Freescale MPC834x MDS"
 	select DEFAULT_UIMAGE
@@ -57,7 +64,7 @@ config PPC_MPC832x
 	bool
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
-	default y if MPC832x_MDS
+	default y if MPC832x_MDS || MPC832x_RDB
 
 config MPC834x
 	bool

arch/powerpc/platforms/83xx/Makefile

@@ -4,6 +4,7 @@
 obj-y				:= misc.o
 obj-$(CONFIG_PCI)		+= pci.o
 obj-$(CONFIG_MPC8313_RDB)	+= mpc8313_rdb.o
+obj-$(CONFIG_MPC832x_RDB)	+= mpc832x_rdb.o
 obj-$(CONFIG_MPC834x_MDS)	+= mpc834x_mds.o
 obj-$(CONFIG_MPC834x_ITX)	+= mpc834x_itx.o
 obj-$(CONFIG_MPC836x_MDS)	+= mpc836x_mds.o

arch/powerpc/platforms/83xx/mpc832x_rdb.c

+/*
+ * arch/powerpc/platforms/83xx/mpc832x_rdb.c
+ *
+ * Copyright (C) Freescale Semiconductor, Inc. 2007. All rights reserved.
+ *
+ * Description:
+ * MPC832x RDB board specific routines.
+ * This file is based on mpc832x_mds.c and mpc8313_rdb.c
+ * Author: Michael Barkowski <michael.barkowski@freescale.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.
+ */
+
+#include <linux/pci.h>
+
+#include <asm/of_platform.h>
+#include <asm/time.h>
+#include <asm/ipic.h>
+#include <asm/udbg.h>
+#include <asm/qe.h>
+#include <asm/qe_ic.h>
+
+#include "mpc83xx.h"
+
+#undef DEBUG
+#ifdef DEBUG
+#define DBG(fmt...) udbg_printf(fmt)
+#else
+#define DBG(fmt...)
+#endif
+
+#ifndef CONFIG_PCI
+unsigned long isa_io_base = 0;
+unsigned long isa_mem_base = 0;
+#endif
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init mpc832x_rdb_setup_arch(void)
+{
+	struct device_node *np;
+
+	if (ppc_md.progress)
+		ppc_md.progress("mpc832x_rdb_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
+		add_bridge(np);
+
+	ppc_md.pci_exclude_device = mpc83xx_exclude_device;
+#endif
+
+#ifdef CONFIG_QUICC_ENGINE
+	qe_reset();
+
+	if ((np = of_find_node_by_name(np, "par_io")) != NULL) {
+		par_io_init(np);
+		of_node_put(np);
+
+		for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
+			par_io_of_config(np);
+	}
+#endif				/* CONFIG_QUICC_ENGINE */
+}
+
+static struct of_device_id mpc832x_ids[] = {
+	{ .type = "soc", },
+	{ .compatible = "soc", },
+	{ .type = "qe", },
+	{},
+};
+
+static int __init mpc832x_declare_of_platform_devices(void)
+{
+	if (!machine_is(mpc832x_rdb))
+		return 0;
+
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, mpc832x_ids, NULL);
+
+	return 0;
+}
+device_initcall(mpc832x_declare_of_platform_devices);
+
+void __init mpc832x_rdb_init_IRQ(void)
+{
+
+	struct device_node *np;
+
+	np = of_find_node_by_type(NULL, "ipic");
+	if (!np)
+		return;
+
+	ipic_init(np, 0);
+
+	/* Initialize the default interrupt mapping priorities,
+	 * in case the boot rom changed something on us.
+	 */
+	ipic_set_default_priority();
+	of_node_put(np);
+
+#ifdef CONFIG_QUICC_ENGINE
+	np = of_find_node_by_type(NULL, "qeic");
+	if (!np)
+		return;
+
+	qe_ic_init(np, 0);
+	of_node_put(np);
+#endif				/* CONFIG_QUICC_ENGINE */
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc832x_rdb_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	return of_flat_dt_is_compatible(root, "MPC832xRDB");
+}
+
+define_machine(mpc832x_rdb) {
+	.name		= "MPC832x RDB",
+	.probe		= mpc832x_rdb_probe,
+	.setup_arch	= mpc832x_rdb_setup_arch,
+	.init_IRQ	= mpc832x_rdb_init_IRQ,
+	.get_irq	= ipic_get_irq,
+	.restart	= mpc83xx_restart,
+	.time_init	= mpc83xx_time_init,
+	.calibrate_decr	= generic_calibrate_decr,
+	.progress	= udbg_progress,
+};