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-rw-r--r--arch/arm/mach-bcmring/arch.c157
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diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c
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index 000000000000..0da693b0f7e1
--- /dev/null
+++ b/arch/arm/mach-bcmring/arch.c
@@ -0,0 +1,157 @@
+/*****************************************************************************
+* 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