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Commit 4663712c authored by Leo Chen's avatar Leo Chen Committed by Russell King
Browse files

ARM: 5643/1: bcmring: arch.c and header files 



add arch.c in mach-bcmring
add related header files in mach-bcmring

Signed-off-by: default avatarLeo Chen <leochen@broadcom.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 28d0325c

arch/arm/mach-bcmring/arch.c

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/*****************************************************************************

* Copyright 2003 - 2008 Broadcom Corporation.  All rights reserved.

*

* Unless you and Broadcom execute a separate written software license

* agreement governing use of this software, this software is licensed to you

* under the terms of the GNU General Public License version 2, available at

* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").

*

* Notwithstanding the above, under no circumstances may you combine this

* software in any way with any other Broadcom software provided under a

* license other than the GPL, without Broadcom's express prior written

* consent.

*****************************************************************************/



#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/types.h>

#include <linux/sched.h>

#include <linux/interrupt.h>

#include <linux/init.h>

#include <linux/errno.h>

#include <linux/spinlock.h>

#include <linux/module.h>



#include <linux/proc_fs.h>

#include <linux/sysctl.h>



#include <asm/irq.h>

#include <asm/setup.h>

#include <asm/mach-types.h>

#include <asm/mach/time.h>



#include <asm/mach/arch.h>

#include <mach/dma.h>

#include <mach/hardware.h>

#include <mach/csp/mm_io.h>

#include <mach/csp/chipcHw_def.h>

#include <mach/csp/chipcHw_inline.h>



#include <cfg_global.h>



#include "core.h"



HW_DECLARE_SPINLOCK(arch)

HW_DECLARE_SPINLOCK(gpio)

#if defined(CONFIG_DEBUG_SPINLOCK)

    EXPORT_SYMBOL(bcmring_gpio_reg_lock);

#endif



/* FIXME: temporary solution */

#define BCM_SYSCTL_REBOOT_WARM               1

#define CTL_BCM_REBOOT                 112



/* sysctl */

int bcmring_arch_warm_reboot;	/* do a warm reboot on hard reset */



static struct ctl_table_header *bcmring_sysctl_header;



static struct ctl_table bcmring_sysctl_warm_reboot[] = {

	{

	 .ctl_name = BCM_SYSCTL_REBOOT_WARM,

	 .procname = "warm",

	 .data = &bcmring_arch_warm_reboot,

	 .maxlen = sizeof(int),

	 .mode = 0644,

	 .proc_handler = &proc_dointvec},

	{}

};



static struct ctl_table bcmring_sysctl_reboot[] = {

	{

	 .ctl_name = CTL_BCM_REBOOT,

	 .procname = "reboot",

	 .mode = 0555,

	 .child = bcmring_sysctl_warm_reboot},

	{}

};



static struct platform_device nand_device = {

	.name = "bcm-nand",

	.id = -1,

};



static struct platform_device *devices[] __initdata = {

	&nand_device,

};



/****************************************************************************

*

*   Called from the customize_machine function in arch/arm/kernel/setup.c

*

*   The customize_machine function is tagged as an arch_initcall

*   (see include/linux/init.h for the order that the various init sections

*   are called in.

*

*****************************************************************************/

static void __init bcmring_init_machine(void)

{



	bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot);



	/* Enable spread spectrum */

	chipcHw_enableSpreadSpectrum();



	platform_add_devices(devices, ARRAY_SIZE(devices));



	bcmring_amba_init();



	dma_init();

}



/****************************************************************************

*

*   Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags

*   passed in by the boot loader.

*

*****************************************************************************/



static void __init bcmring_fixup(struct machine_desc *desc,

     struct tag *t, char **cmdline, struct meminfo *mi) {

#ifdef CONFIG_BLK_DEV_INITRD

	printk(KERN_NOTICE "bcmring_fixup\n");

	t->hdr.tag = ATAG_CORE;

	t->hdr.size = tag_size(tag_core);

	t->u.core.flags = 0;

	t->u.core.pagesize = PAGE_SIZE;

	t->u.core.rootdev = 31 << 8 | 0;

	t = tag_next(t);



	t->hdr.tag = ATAG_MEM;

	t->hdr.size = tag_size(tag_mem32);

	t->u.mem.start = CFG_GLOBAL_RAM_BASE;

	t->u.mem.size = CFG_GLOBAL_RAM_SIZE;



	t = tag_next(t);



	t->hdr.tag = ATAG_NONE;

	t->hdr.size = 0;

#endif

}



/****************************************************************************

*

*   Machine Description

*

*****************************************************************************/



MACHINE_START(BCMRING, "BCMRING")

	/* Maintainer: Broadcom Corporation */

	.phys_io = MM_IO_START,

	.io_pg_offst = (MM_IO_BASE >> 18) & 0xfffc,

	.fixup = bcmring_fixup,

	.map_io = bcmring_map_io,

	.init_irq = bcmring_init_irq,

	.timer = &bcmring_timer,

	.init_machine = bcmring_init_machine

MACHINE_END

arch/arm/mach-bcmring/core.h

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/*

 *  linux/arch/arm/mach-versatile/core.h

 *

 *  Copyright (C) 2004 ARM Limited

 *  Copyright (C) 2000 Deep Blue Solutions Ltd

 *

 * 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.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

/* Portions copyright Broadcom 2008 */

#ifndef __ASM_ARCH_BCMRING_H

#define __ASM_ARCH_BCMRING_H



void __init bcmring_amba_init(void);

void __init bcmring_map_io(void);

void __init bcmring_init_irq(void);



extern struct sys_timer bcmring_timer;

#endif

arch/arm/mach-bcmring/include/cfg_global.h

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#ifndef _CFG_GLOBAL_H_

#define _CFG_GLOBAL_H_



#include <cfg_global_defines.h>



#define CFG_GLOBAL_CHIP                         BCM11107

#define CFG_GLOBAL_CHIP_FAMILY                  CFG_GLOBAL_CHIP_FAMILY_BCMRING

#define CFG_GLOBAL_CHIP_REV                     0xB0

#define CFG_GLOBAL_RAM_SIZE                     0x10000000

#define CFG_GLOBAL_RAM_BASE                     0x00000000

#define CFG_GLOBAL_RAM_RESERVED_SIZE            0x000000



#endif /* _CFG_GLOBAL_H_ */

arch/arm/mach-bcmring/include/cfg_global_defines.h

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/*****************************************************************************

* Copyright 2006 - 2008 Broadcom Corporation.  All rights reserved.

*

* Unless you and Broadcom execute a separate written software license

* agreement governing use of this software, this software is licensed to you

* under the terms of the GNU General Public License version 2, available at

* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").

*

* Notwithstanding the above, under no circumstances may you combine this

* software in any way with any other Broadcom software provided under a

* license other than the GPL, without Broadcom's express prior written

* consent.

*****************************************************************************/



#ifndef CFG_GLOBAL_DEFINES_H

#define CFG_GLOBAL_DEFINES_H



/* CHIP */

#define BCM1103 1



#define BCM1191 4

#define BCM2153 5

#define BCM2820 6



#define BCM2826 8

#define FPGA11107 9

#define BCM11107   10

#define BCM11109   11

#define BCM11170   12

#define BCM11110   13

#define BCM11211   14



/* CFG_GLOBAL_CHIP_FAMILY types */

#define CFG_GLOBAL_CHIP_FAMILY_NONE        0

#define CFG_GLOBAL_CHIP_FAMILY_BCM116X     2

#define CFG_GLOBAL_CHIP_FAMILY_BCMRING     4

#define CFG_GLOBAL_CHIP_FAMILY_BCM1103     8



#define IMAGE_HEADER_SIZE_CHECKSUM    4

#endif

arch/arm/mach-bcmring/include/mach/hardware.h

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/*

 *

 *  This file contains the hardware definitions of the BCMRing.

 *

 *  Copyright (C) 1999 ARM Limited.

 *

 * 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.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#ifndef __ASM_ARCH_HARDWARE_H

#define __ASM_ARCH_HARDWARE_H



#include <asm/sizes.h>

#include <mach/memory.h>

#include <cfg_global.h>

#include <mach/csp/mm_io.h>



/* Hardware addresses of major areas.

 *  *_START is the physical address

 *  *_SIZE  is the size of the region

 *  *_BASE  is the virtual address

 */

#define RAM_START               PHYS_OFFSET



#define RAM_SIZE                (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)

#define RAM_BASE                PAGE_OFFSET



#define pcibios_assign_all_busses()	1



/* Macros to make managing spinlocks a bit more controlled in terms of naming. */

/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */

#if defined(__KERNEL__)

#define HW_DECLARE_SPINLOCK(name)  DEFINE_SPINLOCK(bcmring_##name##_reg_lock);

#define HW_EXTERN_SPINLOCK(name)   extern spinlock_t bcmring_##name##_reg_lock;

#define HW_IRQ_SAVE(name, val)     spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))

#define HW_IRQ_RESTORE(name, val)  spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))

#else

#define HW_DECLARE_SPINLOCK(name)

#define HW_EXTERN_SPINLOCK(name)

#define HW_IRQ_SAVE(name, val)     {(void)(name); (void)(val); }

#define HW_IRQ_RESTORE(name, val)  {(void)(name); (void)(val); }

#endif



#ifndef HW_IO_PHYS_TO_VIRT

#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT

#endif

#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS



#endif