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Commit 3490cba5 authored by Jon Loeliger's avatar Jon Loeliger Committed by Kumar Gala
Browse files

[POWERPC] Add initial iomega StorCenter board port. 



Use cuImage bootwrapper until U-Boot port is completed.
Derived heavily from Linkstation port.

Signed-off-by: default avatarJon Loeliger <jdl@freescale.com>
Acked-by: default avatarAndy Wilcox <andy@protium.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent b164b903

arch/powerpc/boot/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -57,7 +57,7 @@ src-wlib := string.S crt0.S stdio.c main.c \ 
		4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \

		cpm-serial.c stdlib.c mpc52xx-psc.c planetcore.c uartlite.c \

		fsl-soc.c mpc8xx.c pq2.c

src-plat := of.c cuboot-52xx.c cuboot-83xx.c cuboot-85xx.c holly.c \

src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c \

		cuboot-ebony.c treeboot-ebony.c prpmc2800.c \

		ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c \

		cuboot-pq2.c cuboot-sequoia.c treeboot-walnut.c cuboot-bamboo.c \
@@ -197,6 +197,7 @@ image-$(CONFIG_EP405) += zImage.ep405 
image-$(CONFIG_8260)			+= cuImage.pq2

image-$(CONFIG_EP8248E)			+= zImage.ep8248e

image-$(CONFIG_PPC_MPC52xx)		+= cuImage.52xx

image-$(CONFIG_STORCENTER)		+= cuImage.824x

image-$(CONFIG_PPC_83xx)		+= cuImage.83xx

image-$(CONFIG_PPC_85xx)		+= cuImage.85xx

image-$(CONFIG_MPC7448HPC2)		+= cuImage.hpc2

arch/powerpc/boot/cuboot-824x.c

0 → 100644
+53 −0
Original line number Diff line number Diff line 
/*

 * Old U-boot compatibility for 824x

 *

 * Copyright (c) 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 version 2 as published

 * by the Free Software Foundation.

 */



#include "ops.h"

#include "stdio.h"

#include "cuboot.h"



#define TARGET_824x

#include "ppcboot.h"



static bd_t bd;





static void platform_fixups(void)

{

	void *soc;



	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);

	dt_fixup_mac_addresses(bd.bi_enetaddr);

	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);



	soc = find_node_by_devtype(NULL, "soc");

	if (soc) {

		void *serial = NULL;



		setprop(soc, "bus-frequency", &bd.bi_busfreq,

		        sizeof(bd.bi_busfreq));



		while ((serial = find_node_by_devtype(serial, "serial"))) {

			if (get_parent(serial) != soc)

				continue;



			setprop(serial, "clock-frequency", &bd.bi_busfreq,

			        sizeof(bd.bi_busfreq));

		}

	}

}



void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,

                   unsigned long r6, unsigned long r7)

{

	CUBOOT_INIT();

	fdt_init(_dtb_start);

	serial_console_init();

	platform_ops.fixups = platform_fixups;

}

arch/powerpc/platforms/embedded6xx/Kconfig

+17 −6
Original line number Diff line number Diff line
@@ -9,6 +9,8 @@ config LINKSTATION 
	select FSL_SOC

	select PPC_UDBG_16550 if SERIAL_8250

	select DEFAULT_UIMAGE

	select MPC10X_OPENPIC

	select MPC10X_BRIDGE

	help

	  Select LINKSTATION if configuring for one of PPC- (MPC8241)

	  based NAS systems from Buffalo Technology. So far only
@@ -16,6 +18,19 @@ config LINKSTATION 
	  Linkstation-I HD-HLAN and HD-HGLAN versions, and PPC-based

	  Terastation systems should be supported too.



config STORCENTER

	bool "IOMEGA StorCenter"

	depends on EMBEDDED6xx

	select MPIC

	select FSL_SOC

	select PPC_UDBG_16550 if SERIAL_8250

	select WANT_DEVICE_TREE

	select MPC10X_OPENPIC

	select MPC10X_BRIDGE

	help

	  Select STORCENTER if configuring for the iomega StorCenter

	  with an 8241 CPU in it.



config MPC7448HPC2

	bool "Freescale MPC7448HPC2(Taiga)"

	depends on EMBEDDED6xx
@@ -23,6 +38,7 @@ config MPC7448HPC2 
	select DEFAULT_UIMAGE

	select PPC_UDBG_16550

	select WANT_DEVICE_TREE

	select TSI108_BRIDGE

	help

	  Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)

	  platform
@@ -33,6 +49,7 @@ config PPC_HOLLY 
	select TSI108_BRIDGE

	select PPC_UDBG_16550

	select WANT_DEVICE_TREE

	select TSI108_BRIDGE

	help

	  Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval

	  Board with TSI108/9 bridge (Hickory/Holly)
@@ -48,17 +65,13 @@ config PPC_PRPMC2800 


config TSI108_BRIDGE

	bool

	depends on MPC7448HPC2 || PPC_HOLLY

	select PCI

	select MPIC

	select MPIC_WEIRD

	default y



config MPC10X_BRIDGE

	bool

	depends on LINKSTATION

	select PPC_INDIRECT_PCI

	default y



config MV64X60

	bool
@@ -67,8 +80,6 @@ config MV64X60 


config MPC10X_OPENPIC

	bool

	depends on LINKSTATION

	default y



config MPC10X_STORE_GATHERING

	bool "Enable MPC10x store gathering"

arch/powerpc/platforms/embedded6xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -3,5 +3,6 @@ 
#

obj-$(CONFIG_MPC7448HPC2)	+= mpc7448_hpc2.o

obj-$(CONFIG_LINKSTATION)	+= linkstation.o ls_uart.o

obj-$(CONFIG_STORCENTER)	+= storcenter.o

obj-$(CONFIG_PPC_HOLLY)		+= holly.o

obj-$(CONFIG_PPC_PRPMC2800)	+= prpmc2800.o

arch/powerpc/platforms/embedded6xx/storcenter.c

0 → 100644
+192 −0
Original line number Diff line number Diff line 
/*

 * Board setup routines for the storcenter

 *

 * Copyright 2007 (C) Oyvind Repvik (nail@nslu2-linux.org)

 * Copyright 2007 Andy Wilcox, Jon Loeliger

 *

 * Based on linkstation.c by G. Liakhovetski

 *

 * This file is licensed under the terms of the GNU General Public License

 * version 2.  This program is licensed "as is" without any warranty of

 * any kind, whether express or implied.

 */



#include <linux/kernel.h>

#include <linux/pci.h>

#include <linux/initrd.h>

#include <linux/mtd/physmap.h>

#include <linux/of_platform.h>



#include <asm/system.h>

#include <asm/time.h>

#include <asm/prom.h>

#include <asm/mpic.h>

#include <asm/pci-bridge.h>



#include "mpc10x.h"





#ifdef CONFIG_MTD_PHYSMAP

static struct mtd_partition storcenter_physmap_partitions[] = {

	{

		.name   = "kernel",

		.offset = 0x000000,

		.size   = 0x170000,

	},

	{

		.name   = "rootfs",

		.offset = 0x170000,

		.size   = 0x590000,

	},

	{

		.name   = "uboot",

		.offset = 0x700000,

		.size   = 0x040000,

	},

	{

		.name   = "config",

		.offset = 0x740000,

		.size   = 0x0c0000,

	},

};

#endif





static __initdata struct of_device_id storcenter_of_bus[] = {

	{ .name = "soc", },

	{},

};



static int __init storcenter_device_probe(void)

{

	of_platform_bus_probe(NULL, storcenter_of_bus, NULL);

	return 0;

}

machine_device_initcall(storcenter, storcenter_device_probe);





static int __init storcenter_add_bridge(struct device_node *dev)

{

#ifdef CONFIG_PCI

	int len;

	struct pci_controller *hose;

	const int *bus_range;



	printk("Adding PCI host bridge %s\n", dev->full_name);



	hose = pcibios_alloc_controller(dev);

	if (hose == NULL)

		return -ENOMEM;



	bus_range = of_get_property(dev, "bus-range", &len);

	hose->first_busno = bus_range ? bus_range[0] : 0;

	hose->last_busno = bus_range ? bus_range[1] : 0xff;



	setup_indirect_pci(hose, MPC10X_MAPB_CNFG_ADDR, MPC10X_MAPB_CNFG_DATA, 0);



	/* Interpret the "ranges" property */

	/* This also maps the I/O region and sets isa_io/mem_base */

	pci_process_bridge_OF_ranges(hose, dev, 1);

#endif



	return 0;

}



static void __init storcenter_setup_arch(void)

{

	struct device_node *np;



#ifdef CONFIG_MTD_PHYSMAP

	physmap_set_partitions(storcenter_physmap_partitions,

			       ARRAY_SIZE(storcenter_physmap_partitions));

#endif



	/* Lookup PCI host bridges */

	for_each_compatible_node(np, "pci", "mpc10x-pci")

		storcenter_add_bridge(np);



	printk(KERN_INFO "IOMEGA StorCenter\n");

}



/*

 * Interrupt setup and service.  Interrrupts on the turbostation come

 * from the four PCI slots plus onboard 8241 devices: I2C, DUART.

 */

static void __init storcenter_init_IRQ(void)

{

	struct mpic *mpic;

	struct device_node *dnp;

	const void *prop;

	int size;

	phys_addr_t paddr;



	dnp = of_find_node_by_type(NULL, "open-pic");

	if (dnp == NULL)

		return;



	prop = of_get_property(dnp, "reg", &size);

	if (prop == NULL) {

		of_node_put(dnp);

		return;

	}



	paddr = (phys_addr_t)of_translate_address(dnp, prop);

	mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,

			4, 32, " EPIC     ");



	of_node_put(dnp);



	BUG_ON(mpic == NULL);



	/* PCI IRQs */

	/*

	 * 2.6.12 patch:

	 *         openpic_set_sources(0, 5, OpenPIC_Addr + 0x10200);

	 *         openpic_set_sources(5, 2, OpenPIC_Addr + 0x11120);

	 *         first_irq, num_irqs, __iomem first_ISR

	 *         o_ss: i, src: 0, fdf50200

	 *         o_ss: i, src: 1, fdf50220

	 *         o_ss: i, src: 2, fdf50240

	 *         o_ss: i, src: 3, fdf50260

	 *         o_ss: i, src: 4, fdf50280

	 *         o_ss: i, src: 5, fdf51120

	 *         o_ss: i, src: 6, fdf51140

	 */

	mpic_assign_isu(mpic, 0, paddr + 0x10200);

	mpic_assign_isu(mpic, 1, paddr + 0x10220);

	mpic_assign_isu(mpic, 2, paddr + 0x10240);

	mpic_assign_isu(mpic, 3, paddr + 0x10260);

	mpic_assign_isu(mpic, 4, paddr + 0x10280);

	mpic_assign_isu(mpic, 5, paddr + 0x11120);

	mpic_assign_isu(mpic, 6, paddr + 0x11140);



	mpic_init(mpic);

}



static void storcenter_restart(char *cmd)

{

	local_irq_disable();



	/* Set exception prefix high - to the firmware */

	_nmask_and_or_msr(0, MSR_IP);



	/* Wait for reset to happen */

	for (;;) ;

}



static int __init storcenter_probe(void)

{

	unsigned long root = of_get_flat_dt_root();



	return of_flat_dt_is_compatible(root, "storcenter");

}



define_machine(storcenter){

	.name 			= "IOMEGA StorCenter",

	.probe 			= storcenter_probe,

	.setup_arch 		= storcenter_setup_arch,

	.init_IRQ 		= storcenter_init_IRQ,

	.get_irq 		= mpic_get_irq,

	.restart 		= storcenter_restart,

	.calibrate_decr 	= generic_calibrate_decr,

};