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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: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Leo Chen
Russell King
parent
28d0325ce6
commit
4663712cc7
157
arch/arm/mach-bcmring/arch.c
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157
arch/arm/mach-bcmring/arch.c
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/*****************************************************************************
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* Copyright 2003 - 2008 Broadcom Corporation. All rights reserved.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2, available at
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* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a
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* license other than the GPL, without Broadcom's express prior written
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* consent.
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*****************************************************************************/
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/spinlock.h>
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#include <linux/module.h>
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#include <linux/proc_fs.h>
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#include <linux/sysctl.h>
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#include <asm/irq.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/mach/time.h>
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#include <asm/mach/arch.h>
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#include <mach/dma.h>
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#include <mach/hardware.h>
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#include <mach/csp/mm_io.h>
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#include <mach/csp/chipcHw_def.h>
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#include <mach/csp/chipcHw_inline.h>
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#include <cfg_global.h>
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#include "core.h"
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HW_DECLARE_SPINLOCK(arch)
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HW_DECLARE_SPINLOCK(gpio)
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#if defined(CONFIG_DEBUG_SPINLOCK)
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EXPORT_SYMBOL(bcmring_gpio_reg_lock);
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#endif
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/* FIXME: temporary solution */
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#define BCM_SYSCTL_REBOOT_WARM 1
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#define CTL_BCM_REBOOT 112
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/* sysctl */
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int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */
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static struct ctl_table_header *bcmring_sysctl_header;
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static struct ctl_table bcmring_sysctl_warm_reboot[] = {
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{
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.ctl_name = BCM_SYSCTL_REBOOT_WARM,
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.procname = "warm",
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.data = &bcmring_arch_warm_reboot,
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.maxlen = sizeof(int),
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.mode = 0644,
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.proc_handler = &proc_dointvec},
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{}
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};
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static struct ctl_table bcmring_sysctl_reboot[] = {
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{
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.ctl_name = CTL_BCM_REBOOT,
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.procname = "reboot",
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.mode = 0555,
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.child = bcmring_sysctl_warm_reboot},
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{}
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};
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static struct platform_device nand_device = {
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.name = "bcm-nand",
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.id = -1,
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};
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static struct platform_device *devices[] __initdata = {
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&nand_device,
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};
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/****************************************************************************
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*
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* Called from the customize_machine function in arch/arm/kernel/setup.c
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*
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* The customize_machine function is tagged as an arch_initcall
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* (see include/linux/init.h for the order that the various init sections
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* are called in.
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*
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*****************************************************************************/
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static void __init bcmring_init_machine(void)
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{
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bcmring_sysctl_header = register_sysctl_table(bcmring_sysctl_reboot);
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/* Enable spread spectrum */
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chipcHw_enableSpreadSpectrum();
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platform_add_devices(devices, ARRAY_SIZE(devices));
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bcmring_amba_init();
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dma_init();
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}
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/****************************************************************************
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*
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* Called from setup_arch (in arch/arm/kernel/setup.c) to fixup any tags
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* passed in by the boot loader.
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*
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*****************************************************************************/
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static void __init bcmring_fixup(struct machine_desc *desc,
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struct tag *t, char **cmdline, struct meminfo *mi) {
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#ifdef CONFIG_BLK_DEV_INITRD
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printk(KERN_NOTICE "bcmring_fixup\n");
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t->hdr.tag = ATAG_CORE;
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t->hdr.size = tag_size(tag_core);
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t->u.core.flags = 0;
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t->u.core.pagesize = PAGE_SIZE;
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t->u.core.rootdev = 31 << 8 | 0;
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t = tag_next(t);
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t->hdr.tag = ATAG_MEM;
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t->hdr.size = tag_size(tag_mem32);
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t->u.mem.start = CFG_GLOBAL_RAM_BASE;
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t->u.mem.size = CFG_GLOBAL_RAM_SIZE;
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t = tag_next(t);
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t->hdr.tag = ATAG_NONE;
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t->hdr.size = 0;
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#endif
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}
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/****************************************************************************
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*
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* Machine Description
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*
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*****************************************************************************/
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MACHINE_START(BCMRING, "BCMRING")
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/* Maintainer: Broadcom Corporation */
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.phys_io = MM_IO_START,
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.io_pg_offst = (MM_IO_BASE >> 18) & 0xfffc,
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.fixup = bcmring_fixup,
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.map_io = bcmring_map_io,
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.init_irq = bcmring_init_irq,
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.timer = &bcmring_timer,
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.init_machine = bcmring_init_machine
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MACHINE_END
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30
arch/arm/mach-bcmring/core.h
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30
arch/arm/mach-bcmring/core.h
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@ -0,0 +1,30 @@
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/*
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* linux/arch/arm/mach-versatile/core.h
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*
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* Copyright (C) 2004 ARM Limited
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Portions copyright Broadcom 2008 */
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#ifndef __ASM_ARCH_BCMRING_H
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#define __ASM_ARCH_BCMRING_H
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void __init bcmring_amba_init(void);
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void __init bcmring_map_io(void);
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void __init bcmring_init_irq(void);
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extern struct sys_timer bcmring_timer;
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#endif
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13
arch/arm/mach-bcmring/include/cfg_global.h
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13
arch/arm/mach-bcmring/include/cfg_global.h
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#ifndef _CFG_GLOBAL_H_
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#define _CFG_GLOBAL_H_
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#include <cfg_global_defines.h>
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#define CFG_GLOBAL_CHIP BCM11107
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#define CFG_GLOBAL_CHIP_FAMILY CFG_GLOBAL_CHIP_FAMILY_BCMRING
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#define CFG_GLOBAL_CHIP_REV 0xB0
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#define CFG_GLOBAL_RAM_SIZE 0x10000000
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#define CFG_GLOBAL_RAM_BASE 0x00000000
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#define CFG_GLOBAL_RAM_RESERVED_SIZE 0x000000
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#endif /* _CFG_GLOBAL_H_ */
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40
arch/arm/mach-bcmring/include/cfg_global_defines.h
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40
arch/arm/mach-bcmring/include/cfg_global_defines.h
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@ -0,0 +1,40 @@
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/*****************************************************************************
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* Copyright 2006 - 2008 Broadcom Corporation. All rights reserved.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2, available at
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* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a
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* license other than the GPL, without Broadcom's express prior written
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* consent.
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*****************************************************************************/
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#ifndef CFG_GLOBAL_DEFINES_H
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#define CFG_GLOBAL_DEFINES_H
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/* CHIP */
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#define BCM1103 1
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#define BCM1191 4
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#define BCM2153 5
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#define BCM2820 6
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#define BCM2826 8
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#define FPGA11107 9
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#define BCM11107 10
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#define BCM11109 11
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#define BCM11170 12
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#define BCM11110 13
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#define BCM11211 14
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/* CFG_GLOBAL_CHIP_FAMILY types */
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#define CFG_GLOBAL_CHIP_FAMILY_NONE 0
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#define CFG_GLOBAL_CHIP_FAMILY_BCM116X 2
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#define CFG_GLOBAL_CHIP_FAMILY_BCMRING 4
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#define CFG_GLOBAL_CHIP_FAMILY_BCM1103 8
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#define IMAGE_HEADER_SIZE_CHECKSUM 4
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#endif
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60
arch/arm/mach-bcmring/include/mach/hardware.h
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60
arch/arm/mach-bcmring/include/mach/hardware.h
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/*
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*
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* This file contains the hardware definitions of the BCMRing.
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*
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* Copyright (C) 1999 ARM Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_HARDWARE_H
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#define __ASM_ARCH_HARDWARE_H
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#include <asm/sizes.h>
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#include <mach/memory.h>
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#include <cfg_global.h>
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#include <mach/csp/mm_io.h>
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/* Hardware addresses of major areas.
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* *_START is the physical address
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* *_SIZE is the size of the region
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* *_BASE is the virtual address
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*/
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#define RAM_START PHYS_OFFSET
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#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
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#define RAM_BASE PAGE_OFFSET
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#define pcibios_assign_all_busses() 1
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/* Macros to make managing spinlocks a bit more controlled in terms of naming. */
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/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
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#if defined(__KERNEL__)
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#define HW_DECLARE_SPINLOCK(name) DEFINE_SPINLOCK(bcmring_##name##_reg_lock);
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#define HW_EXTERN_SPINLOCK(name) extern spinlock_t bcmring_##name##_reg_lock;
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#define HW_IRQ_SAVE(name, val) spin_lock_irqsave(&bcmring_##name##_reg_lock, (val))
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#define HW_IRQ_RESTORE(name, val) spin_unlock_irqrestore(&bcmring_##name##_reg_lock, (val))
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#else
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#define HW_DECLARE_SPINLOCK(name)
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#define HW_EXTERN_SPINLOCK(name)
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#define HW_IRQ_SAVE(name, val) {(void)(name); (void)(val); }
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#define HW_IRQ_RESTORE(name, val) {(void)(name); (void)(val); }
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#endif
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#ifndef HW_IO_PHYS_TO_VIRT
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#define HW_IO_PHYS_TO_VIRT MM_IO_PHYS_TO_VIRT
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#endif
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#define HW_IO_VIRT_TO_PHYS MM_IO_VIRT_TO_PHYS
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#endif
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54
arch/arm/mach-bcmring/include/mach/system.h
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54
arch/arm/mach-bcmring/include/mach/system.h
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/*
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*
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* Copyright (C) 1999 ARM Limited
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* Copyright (C) 2000 Deep Blue Solutions Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_SYSTEM_H
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#define __ASM_ARCH_SYSTEM_H
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#include <mach/csp/chipcHw_inline.h>
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extern int bcmring_arch_warm_reboot;
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static inline void arch_idle(void)
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{
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cpu_do_idle();
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}
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static inline void arch_reset(char mode, char *cmd)
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{
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printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
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if (mode == 'h') {
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/* Reboot configured in proc entry */
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if (bcmring_arch_warm_reboot) {
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printk("warm reset\n");
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/* Issue Warm reset (do not reset ethernet switch, keep alive) */
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chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
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} else {
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/* Force reset of everything */
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printk("force reset\n");
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chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
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}
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} else {
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/* Force reset of everything */
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printk("force reset\n");
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chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
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}
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}
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#endif
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