diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-14 17:48:14 -0700 |
commit | 2ca7d674d7ab2220707b2ada0b690c0e7c95e7ac (patch) | |
tree | 9c0927ed1d540e5fd704c1f82689870786514655 /arch/arm/mach-bcmring/arch.c | |
parent | 2195d2818c37bdf263865f1e9effccdd9fc5f9d4 (diff) | |
parent | 87d721ad7a37b7650dd710c88dd5c6a5bf9fe996 (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (257 commits)
[ARM] Update mach-types
ARM: 5636/1: Move vendor enum to AMBA include
ARM: Fix pfn_valid() for sparse memory
[ARM] orion5x: Add LaCie NAS 2Big Network support
[ARM] pxa/sharpsl_pm: zaurus c3000 aka spitz: fix resume
ARM: 5686/1: at91: Correct AC97 reset line in at91sam9263ek board
ARM: 5640/1: This patch modifies the support of AC97 on the at91sam9263 ek board
ARM: 5689/1: Update default config of HP Jornada 700-series machines
ARM: 5691/1: fix cache aliasing issues between kmap() and kmap_atomic() with highmem
ARM: 5688/1: ks8695_serial: disable_irq() lockup
ARM: 5687/1: fix an oops with highmem
ARM: 5684/1: Add nuc960 platform to w90x900
ARM: 5683/1: Add nuc950 platform to w90x900
ARM: 5682/1: Add cpu.c and dev.c and modify some files of w90p910 platform
ARM: 5626/1: add suspend/resume functions to amba-pl011 serial driver
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection
MMC: MMCI: convert realview MMC to use gpiolib
ARM: 5685/1: Make MMCI driver compile without gpiolib
ARM: implement highpte
ARM: Show FIQ in /proc/interrupts on CONFIG_FIQ
...
Fix up trivial conflict in arch/arm/kernel/signal.c.
It was due to the TIF_NOTIFY_RESUME addition in commit d0420c83f ("KEYS:
Extend TIF_NOTIFY_RESUME to (almost) all architectures") and follow-ups.
Diffstat (limited to 'arch/arm/mach-bcmring/arch.c')
-rw-r--r-- | arch/arm/mach-bcmring/arch.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c new file mode 100644 index 00000000000..0da693b0f7e --- /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 |