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Commit d93daf84 authored by Jon Loeliger's avatar Jon Loeliger Committed by Kumar Gala
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[POWERPC] 85xx: Add initial MPC8544 DS platform files. 



This patch provides the basic MPC8544 DS platform code and config.
Follow-up patches will add peripherals such as PCI and SATA.

Signed-off-by: default avatarXianghua Xiao <x.xiao@freescale.com>
Signed-off-by: default avatarRoy Zang <tie-fei.zang@freescale.com>
Signed-off-by: default avatarYork Sun <yorksun@freescale.com>
Signed-off-by: default avatarAndy Fleming <afleming@freescale.com>
Signed-off-by: default avatarJon Loeliger <jdl@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 23308c54

arch/powerpc/boot/dts/mpc8544ds.dts

0 → 100644
+136 −0
Original line number Diff line number Diff line 
/*

 * 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

+8 −1
Original line number Diff line number Diff line
@@ -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
Original line number Diff line number Diff line
@@ -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

0 → 100644
+144 −0
Original line number Diff line number Diff line 
/*

 * 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,

};