[POWERPC] mpc82xx: Add pq2fads board support.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/pq2fads.dts

+/*
+ * Device Tree for the PQ2FADS-ZU board with an MPC8280 chip.
+ *
+ * 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 = "pq2fads";
+	compatible = "fsl,pq2fads";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-line-size = <d#32>;
+			i-cache-line-size = <d#32>;
+			d-cache-size = <d#16384>;
+			i-cache-size = <d#16384>;
+			timebase-frequency = <0>;
+			clock-frequency = <0>;
+		};
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0 0>;
+	};
+
+	localbus@f0010100 {
+		compatible = "fsl,mpc8280-localbus",
+		             "fsl,pq2-localbus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		reg = <f0010100 60>;
+
+		ranges = <0 0 fe000000 00800000
+		          1 0 f4500000 00008000
+		          8 0 f8200000 00008000>;
+
+		flash@0,0 {
+			compatible = "jedec-flash";
+			reg = <0 0 800000>;
+			bank-width = <4>;
+			device-width = <1>;
+		};
+
+		bcsr@1,0 {
+			reg = <1 0 20>;
+			compatible = "fsl,pq2fads-bcsr";
+		};
+
+		PCI_PIC: pic@8,0 {
+			#interrupt-cells = <1>;
+			interrupt-controller;
+			reg = <8 0 8>;
+			compatible = "fsl,pq2ads-pci-pic";
+			interrupt-parent = <&PIC>;
+			interrupts = <18 8>;
+		};
+	};
+
+	pci@f0010800 {
+		device_type = "pci";
+		reg = <f0010800 10c f00101ac 8 f00101c4 8>;
+		compatible = "fsl,mpc8280-pci", "fsl,pq2-pci";
+		#interrupt-cells = <1>;
+		#size-cells = <2>;
+		#address-cells = <3>;
+		clock-frequency = <d#66000000>;
+		interrupt-map-mask = <f800 0 0 7>;
+		interrupt-map = <
+		                /* IDSEL 0x16 */
+		                 b000 0 0 1 &PCI_PIC 0
+		                 b000 0 0 2 &PCI_PIC 1
+		                 b000 0 0 3 &PCI_PIC 2
+		                 b000 0 0 4 &PCI_PIC 3
+
+		                /* IDSEL 0x17 */
+		                 b800 0 0 1 &PCI_PIC 4
+		                 b800 0 0 2 &PCI_PIC 5
+		                 b800 0 0 3 &PCI_PIC 6
+		                 b800 0 0 4 &PCI_PIC 7
+
+		                /* IDSEL 0x18 */
+		                 c000 0 0 1 &PCI_PIC 8
+		                 c000 0 0 2 &PCI_PIC 9
+		                 c000 0 0 3 &PCI_PIC a
+		                 c000 0 0 4 &PCI_PIC b>;
+
+		interrupt-parent = <&PIC>;
+		interrupts = <12 8>;
+		ranges = <42000000 0 80000000 80000000 0 20000000
+		          02000000 0 a0000000 a0000000 0 20000000
+		          01000000 0 00000000 f6000000 0 02000000>;
+	};
+
+	soc@f0000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		device_type = "soc";
+		compatible = "fsl,mpc8280", "fsl,pq2-soc";
+		ranges = <00000000 f0000000 00053000>;
+
+		// Temporary -- will go away once kernel uses ranges for get_immrbase().
+		reg = <f0000000 00053000>;
+
+		cpm@119c0 {
+			#address-cells = <1>;
+			#size-cells = <1>;
+			#interrupt-cells = <2>;
+			compatible = "fsl,mpc8280-cpm", "fsl,cpm2";
+			reg = <119c0 30 0 2000>;
+			ranges;
+
+			brg@119f0 {
+				compatible = "fsl,mpc8280-brg",
+				             "fsl,cpm2-brg",
+				             "fsl,cpm-brg";
+				reg = <119f0 10 115f0 10>;
+			};
+
+			serial@11a00 {
+				device_type = "serial";
+				compatible = "fsl,mpc8280-scc-uart",
+				             "fsl,cpm2-scc-uart";
+				reg = <11a00 20 8000 100>;
+				interrupts = <28 8>;
+				interrupt-parent = <&PIC>;
+				fsl,cpm-brg = <1>;
+				fsl,cpm-command = <00800000>;
+			};
+
+			serial@11a20 {
+				device_type = "serial";
+				compatible = "fsl,mpc8280-scc-uart",
+				             "fsl,cpm2-scc-uart";
+				reg = <11a20 20 8100 100>;
+				interrupts = <29 8>;
+				interrupt-parent = <&PIC>;
+				fsl,cpm-brg = <2>;
+				fsl,cpm-command = <04a00000>;
+			};
+
+			ethernet@11320 {
+				device_type = "network";
+				compatible = "fsl,mpc8280-fcc-enet",
+				             "fsl,cpm2-fcc-enet";
+				reg = <11320 20 8500 100 113b0 1>;
+				interrupts = <21 8>;
+				interrupt-parent = <&PIC>;
+				phy-handle = <&PHY0>;
+				linux,network-index = <0>;
+				fsl,cpm-command = <16200300>;
+			};
+
+			ethernet@11340 {
+				device_type = "network";
+				compatible = "fsl,mpc8280-fcc-enet",
+				             "fsl,cpm2-fcc-enet";
+				reg = <11340 20 8600 100 113d0 1>;
+				interrupts = <22 8>;
+				interrupt-parent = <&PIC>;
+				phy-handle = <&PHY1>;
+				linux,network-index = <1>;
+				fsl,cpm-command = <1a400300>;
+				local-mac-address = [00 e0 0c 00 79 01];
+			};
+
+			mdio@10d40 {
+				device_type = "mdio";
+				compatible = "fsl,pq2fads-mdio-bitbang",
+				             "fsl,mpc8280-mdio-bitbang",
+				             "fsl,cpm2-mdio-bitbang";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				reg = <10d40 14>;
+				fsl,mdio-pin = <9>;
+				fsl,mdc-pin = <a>;
+
+				PHY0: ethernet-phy@0 {
+					interrupt-parent = <&PIC>;
+					interrupts = <19 2>;
+					reg = <0>;
+					device_type = "ethernet-phy";
+				};
+
+				PHY1: ethernet-phy@1 {
+					interrupt-parent = <&PIC>;
+					interrupts = <19 2>;
+					reg = <3>;
+					device_type = "ethernet-phy";
+				};
+			};
+
+			usb@11b60 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,mpc8280-usb",
+				             "fsl,cpm2-usb";
+				reg = <11b60 18 8b00 100>;
+				interrupt-parent = <&PIC>;
+				interrupts = <b 8>;
+				fsl,cpm-command = <2e600000>;
+			};
+		};
+
+		PIC: interrupt-controller@10c00 {
+			#interrupt-cells = <2>;
+			interrupt-controller;
+			reg = <10c00 80>;
+			compatible = "fsl,mpc8280-pic", "fsl,cpm2-pic";
+		};
+
+	};
+
+	chosen {
+		linux,stdout-path = "/soc/cpm/serial@11a00";
+	};
+};

arch/powerpc/platforms/82xx/Kconfig

@@ -15,6 +15,17 @@ config MPC8272_ADS
 	help
 	  This option enables support for the MPC8272 ADS board
 
+config PQ2FADS
+	bool "Freescale PQ2FADS"
+	select DEFAULT_UIMAGE
+	select PQ2ADS
+	select 8260
+	select FSL_SOC
+	select PQ2_ADS_PCI_PIC if PCI
+	select PPC_CPM_NEW_BINDING
+	help
+	  This option enables support for the PQ2FADS board
+
 endchoice
 
 config PQ2ADS

arch/powerpc/platforms/82xx/Makefile

@@ -4,3 +4,4 @@
 obj-$(CONFIG_MPC8272_ADS) += mpc8272_ads.o
 obj-$(CONFIG_CPM2) += pq2.o
 obj-$(CONFIG_PQ2_ADS_PCI_PIC) += pq2ads-pci-pic.o
+obj-$(CONFIG_PQ2FADS) += pq2fads.o

arch/powerpc/platforms/82xx/pq2fads.c

+/*
+ * PQ2FADS board support
+ *
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ * Author: Scott Wood <scottwood@freescale.com>
+ *
+ * Loosely based on mp82xx ADS support by Vitaly Bordug <vbordug@ru.mvista.com>
+ * Copyright (c) 2006 MontaVista Software, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/fsl_devices.h>
+
+#include <asm/io.h>
+#include <asm/cpm2.h>
+#include <asm/udbg.h>
+#include <asm/machdep.h>
+#include <asm/of_platform.h>
+#include <asm/time.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/cpm2_pic.h>
+
+#include "pq2ads.h"
+#include "pq2.h"
+
+static void __init pq2fads_pic_init(void)
+{
+	struct device_node *np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
+	if (!np) {
+		printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
+		return;
+	}
+
+	cpm2_pic_init(np);
+	of_node_put(np);
+
+	/* Initialize stuff for the 82xx CPLD IC and install demux  */
+	pq2ads_pci_init_irq();
+}
+
+struct cpm_pin {
+	int port, pin, flags;
+};
+
+static struct cpm_pin pq2fads_pins[] = {
+	/* SCC1 */
+	{3, 30, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
+	{3, 31, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* SCC2 */
+	{3, 27, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{3, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* FCC2 */
+	{1, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 20, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 21, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 22, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 25, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 26, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 27, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 28, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 29, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
+	{1, 30, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 31, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{2, 18, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 19, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+
+	/* FCC3 */
+	{1, 4, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 5, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 6, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 7, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 8, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 9, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 11, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 12, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 13, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 14, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 15, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY},
+	{1, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{1, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 16, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+	{2, 17, CPM_PIN_INPUT | CPM_PIN_PRIMARY},
+};
+
+static void __init init_ioports(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pq2fads_pins); i++) {
+		struct cpm_pin *pin = &pq2fads_pins[i];
+		cpm2_set_pin(pin->port, pin->pin, pin->flags);
+	}
+
+	cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_SCC2, CPM_BRG2, CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK13, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_FCC2, CPM_CLK14, CPM_CLK_TX);
+	cpm2_clk_setup(CPM_CLK_FCC3, CPM_CLK15, CPM_CLK_RX);
+	cpm2_clk_setup(CPM_CLK_FCC3, CPM_CLK16, CPM_CLK_TX);
+}
+
+static void __init pq2fads_setup_arch(void)
+{
+	struct device_node *np;
+	__be32 __iomem *bcsr;
+
+	if (ppc_md.progress)
+		ppc_md.progress("pq2fads_setup_arch()", 0);
+
+	cpm2_reset();
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,pq2fads-bcsr");
+	if (!np) {
+		printk(KERN_ERR "No fsl,pq2fads-bcsr in device tree\n");
+		return;
+	}
+
+	bcsr = of_iomap(np, 0);
+	if (!bcsr) {
+		printk(KERN_ERR "Cannot map BCSR registers\n");
+		return;
+	}
+
+	of_node_put(np);
+
+	/* Enable the serial and ethernet ports */
+
+	clrbits32(&bcsr[1], BCSR1_RS232_EN1 | BCSR1_RS232_EN2 | BCSR1_FETHIEN);
+	setbits32(&bcsr[1], BCSR1_FETH_RST);
+
+	clrbits32(&bcsr[3], BCSR3_FETHIEN2);
+	setbits32(&bcsr[3], BCSR3_FETH2_RST);
+
+	iounmap(bcsr);
+
+	init_ioports();
+
+	/* Enable external IRQs */
+	clrbits32(&cpm2_immr->im_siu_conf.siu_82xx.sc_siumcr, 0x0c000000);
+
+	pq2_init_pci();
+
+	if (ppc_md.progress)
+		ppc_md.progress("pq2fads_setup_arch(), finish", 0);
+}
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init pq2fads_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+	return of_flat_dt_is_compatible(root, "fsl,pq2fads");
+}
+
+static struct of_device_id __initdata of_bus_ids[] = {
+	{ .name = "soc", },
+	{ .name = "cpm", },
+	{ .name = "localbus", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	if (!machine_is(pq2fads))
+		return 0;
+
+	/* Publish the QE devices */
+	of_platform_bus_probe(NULL, of_bus_ids, NULL);
+	return 0;
+}
+device_initcall(declare_of_platform_devices);
+
+define_machine(pq2fads)
+{
+	.name = "Freescale PQ2FADS",
+	.probe = pq2fads_probe,
+	.setup_arch = pq2fads_setup_arch,
+	.init_IRQ = pq2fads_pic_init,
+	.get_irq = cpm2_get_irq,
+	.calibrate_decr = generic_calibrate_decr,
+	.restart = pq2_restart,
+	.progress = udbg_progress,
+};