[POWERPC] 85xx: Add initial MPC8544 DS platform files. (d93daf84) · Commits · 戴 / test

arch/powerpc/boot/dts/mpc8544ds.dts

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		/*
		* MPC8544 DS 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 = "MPC8544DS";
		compatible = "MPC8544DS", "MPC85xxDS";
		#address-cells = <1>;
		#size-cells = <1>;

		cpus {
		#cpus = <1>;
		#address-cells = <1>;
		#size-cells = <0>;

		PowerPC,8544@0 {
		device_type = "cpu";
		reg = <0>;
		d-cache-line-size = <20>; // 32 bytes
		i-cache-line-size = <20>; // 32 bytes
		d-cache-size = <8000>; // L1, 32K
		i-cache-size = <8000>; // L1, 32K
		timebase-frequency = <0>;
		bus-frequency = <0>;
		clock-frequency = <0>;
		32-bit;
		};
		};

		memory {
		device_type = "memory";
		reg = <00000000 00000000>; // Filled by U-Boot
		};

		soc8544@e0000000 {
		#address-cells = <1>;
		#size-cells = <1>;
		#interrupt-cells = <2>;
		device_type = "soc";
		ranges = <0 e0000000 00100000>;
		reg = <e0000000 00100000>; // CCSRBAR 1M
		bus-frequency = <0>; // Filled out by uboot.

		i2c@3000 {
		device_type = "i2c";
		compatible = "fsl-i2c";
		reg = <3000 100>;
		interrupts = <1b 2>;
		interrupt-parent = <&mpic>;
		dfsrr;
		};

		mdio@24520 {
		#address-cells = <1>;
		#size-cells = <0>;
		device_type = "mdio";
		compatible = "gianfar";
		reg = <24520 20>;
		phy0: ethernet-phy@0 {
		interrupt-parent = <&mpic>;
		interrupts = <3a 1>;
		reg = <0>;
		device_type = "ethernet-phy";
		};
		phy1: ethernet-phy@1 {
		interrupt-parent = <&mpic>;
		interrupts = <3a 1>;
		reg = <1>;
		device_type = "ethernet-phy";
		};
		};

		ethernet@24000 {
		#address-cells = <1>;
		#size-cells = <0>;
		device_type = "network";
		model = "TSEC";
		compatible = "gianfar";
		reg = <24000 1000>;
		local-mac-address = [ 00 00 00 00 00 00 ];
		interrupts = <d 2 e 2 12 2>;
		interrupt-parent = <&mpic>;
		phy-handle = <&phy0>;
		};

		ethernet@26000 {
		#address-cells = <1>;
		#size-cells = <0>;
		device_type = "network";
		model = "TSEC";
		compatible = "gianfar";
		reg = <26000 1000>;
		local-mac-address = [ 00 00 00 00 00 00 ];
		interrupts = <f 2 10 2 11 2>;
		interrupt-parent = <&mpic>;
		phy-handle = <&phy1>;
		};

		serial@4500 {
		device_type = "serial";
		compatible = "ns16550";
		reg = <4500 100>;
		clock-frequency = <0>;
		interrupts = <1a 2>;
		interrupt-parent = <&mpic>;
		};

		serial@4600 {
		device_type = "serial";
		compatible = "ns16550";
		reg = <4600 100>;
		clock-frequency = <0>;
		interrupts = <1a 2>;
		interrupt-parent = <&mpic>;
		};

		mpic: pic@40000 {
		clock-frequency = <0>;
		interrupt-controller;
		#address-cells = <0>;
		#interrupt-cells = <2>;
		reg = <40000 40000>;
		built-in;
		compatible = "chrp,open-pic";
		device_type = "open-pic";
		big-endian;
		};
		};
		};

arch/powerpc/platforms/85xx/Kconfig

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		@@ -30,6 +30,12 @@ config MPC85xx_MDS
		help
		This option enables support for the MPC85xx MDS board

		config MPC8544_DS
		bool "Freescale MPC8544 DS"
		select DEFAULT_UIMAGE
		help
		This option enables support for the MPC8544 DS board

		endchoice

		config MPC8540
		@@ -47,7 +53,8 @@ config MPC85xx
		bool
		select PPC_UDBG_16550
		select PPC_INDIRECT_PCI
		default y if MPC8540_ADS \|\| MPC85xx_CDS \|\| MPC8560_ADS \|\| MPC85xx_MDS
		default y if MPC8540_ADS \|\| MPC85xx_CDS \|\| MPC8560_ADS \
		\|\| MPC85xx_MDS \|\| MPC8544_DS

		config PPC_INDIRECT_PCI_BE
		bool

arch/powerpc/platforms/85xx/Makefile

+1 −0

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		@@ -5,4 +5,5 @@ obj-$(CONFIG_PPC_85xx) += misc.o pci.o
		obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
		obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
		obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
		obj-$(CONFIG_MPC8544_DS) += mpc8544_ds.o
		obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o

arch/powerpc/platforms/85xx/mpc8544_ds.c

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		/*
		* MPC8544 DS Board Setup
		*
		* Author Xianghua Xiao (x.xiao@freescale.com)
		* 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.
		*/

		#include <linux/stddef.h>
		#include <linux/kernel.h>
		#include <linux/kdev_t.h>
		#include <linux/delay.h>
		#include <linux/seq_file.h>

		#include <asm/system.h>
		#include <asm/time.h>
		#include <asm/machdep.h>
		#include <asm/mpc85xx.h>
		#include <mm/mmu_decl.h>
		#include <asm/prom.h>
		#include <asm/udbg.h>
		#include <asm/mpic.h>
		#include <asm/i8259.h>

		#include <sysdev/fsl_soc.h>
		#include "mpc85xx.h"

		#undef DEBUG

		#ifdef DEBUG
		#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
		#else
		#define DBG(fmt, args...)
		#endif


		void __init mpc8544_ds_pic_init(void)
		{
		struct mpic *mpic;
		struct resource r;
		struct device_node *np = NULL;
		#ifdef CONFIG_PPC_I8259
		struct device_node *cascade_node = NULL;
		int cascade_irq;
		#endif

		np = of_find_node_by_type(np, "open-pic");

		if (np == NULL) {
		printk(KERN_ERR "Could not find open-pic node\n");
		return;
		}

		if (of_address_to_resource(np, 0, &r)) {
		printk(KERN_ERR "Failed to map mpic register space\n");
		of_node_put(np);
		return;
		}

		/* Alloc mpic structure and per isu has 16 INT entries. */
		mpic = mpic_alloc(np, r.start,
		MPIC_PRIMARY \| MPIC_WANTS_RESET \| MPIC_BIG_ENDIAN,
		16, 64, " OPENPIC ");
		BUG_ON(mpic == NULL);

		/*
		* 48 Internal Interrupts
		*/
		mpic_assign_isu(mpic, 0, r.start + 0x10200);
		mpic_assign_isu(mpic, 1, r.start + 0x10400);
		mpic_assign_isu(mpic, 2, r.start + 0x10600);

		/*
		* 16 External interrupts
		*/
		mpic_assign_isu(mpic, 3, r.start + 0x10000);

		mpic_init(mpic);

		#ifdef CONFIG_PPC_I8259
		/* Initialize the i8259 controller */
		for_each_node_by_type(np, "interrupt-controller")
		if (device_is_compatible(np, "chrp,iic")) {
		cascade_node = np;
		break;
		}

		if (cascade_node == NULL) {
		printk(KERN_DEBUG "Could not find i8259 PIC\n");
		return;
		}

		cascade_irq = irq_of_parse_and_map(cascade_node, 0);
		if (cascade_irq == NO_IRQ) {
		printk(KERN_ERR "Failed to map cascade interrupt\n");
		return;
		}

		DBG("mpc8544ds: cascade mapped to irq %d\n", cascade_irq);

		i8259_init(cascade_node, 0);
		of_node_put(cascade_node);

		set_irq_chained_handler(cascade_irq, mpc8544_8259_cascade);
		#endif /* CONFIG_PPC_I8259 */
		}


		/*
		* Setup the architecture
		*/
		static void __init mpc8544_ds_setup_arch(void)
		{
		if (ppc_md.progress)
		ppc_md.progress("mpc8544_ds_setup_arch()", 0);

		printk("MPC8544 DS board from Freescale Semiconductor\n");
		}


		/*
		* Called very early, device-tree isn't unflattened
		*/
		static int __init mpc8544_ds_probe(void)
		{
		unsigned long root = of_get_flat_dt_root();

		return of_flat_dt_is_compatible(root, "MPC8544DS");
		}

		define_machine(mpc8544_ds) {
		.name = "MPC8544 DS",
		.probe = mpc8544_ds_probe,
		.setup_arch = mpc8544_ds_setup_arch,
		.init_IRQ = mpc8544_ds_pic_init,
		.get_irq = mpic_get_irq,
		.restart = mpc85xx_restart,
		.calibrate_decr = generic_calibrate_decr,
		.progress = udbg_progress,
		};

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