diff options
Diffstat (limited to 'arch/sparc64/kernel/power.c')
| -rw-r--r-- | arch/sparc64/kernel/power.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c deleted file mode 100644 index eae8ca2a6ba..00000000000 --- a/arch/sparc64/kernel/power.c +++ /dev/null @@ -1,118 +0,0 @@ -/* power.c: Power management driver. - * - * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/signal.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/pm.h> -#include <linux/syscalls.h> -#include <linux/reboot.h> - -#include <asm/system.h> -#include <asm/auxio.h> -#include <asm/prom.h> -#include <asm/of_device.h> -#include <asm/io.h> -#include <asm/sstate.h> -#include <asm/reboot.h> - -#include <linux/unistd.h> - -/* - * sysctl - toggle power-off restriction for serial console - * systems in machine_power_off() - */ -int scons_pwroff = 1; - -static void __iomem *power_reg; - -static irqreturn_t power_handler(int irq, void *dev_id) -{ - orderly_poweroff(true); - - /* FIXME: Check registers for status... */ - return IRQ_HANDLED; -} - -static void (*poweroff_method)(void) = machine_alt_power_off; - -void machine_power_off(void) -{ - sstate_poweroff(); - if (strcmp(of_console_device->type, "serial") || scons_pwroff) { - if (power_reg) { - /* Both register bits seem to have the - * same effect, so until I figure out - * what the difference is... - */ - writel(AUXIO_PCIO_CPWR_OFF | AUXIO_PCIO_SPWR_OFF, power_reg); - } else { - if (poweroff_method != NULL) { - poweroff_method(); - /* not reached */ - } - } - } - machine_halt(); -} - -void (*pm_power_off)(void) = machine_power_off; -EXPORT_SYMBOL(pm_power_off); - -static int __init has_button_interrupt(unsigned int irq, struct device_node *dp) -{ - if (irq == 0xffffffff) - return 0; - if (!of_find_property(dp, "button", NULL)) - return 0; - - return 1; -} - -static int __devinit power_probe(struct of_device *op, const struct of_device_id *match) -{ - struct resource *res = &op->resource[0]; - unsigned int irq= op->irqs[0]; - - power_reg = of_ioremap(res, 0, 0x4, "power"); - - printk(KERN_INFO "%s: Control reg at %lx\n", - op->node->name, res->start); - - poweroff_method = machine_halt; /* able to use the standard halt */ - - if (has_button_interrupt(irq, op->node)) { - if (request_irq(irq, - power_handler, 0, "power", NULL) < 0) - printk(KERN_ERR "power: Cannot setup IRQ handler.\n"); - } - - return 0; -} - -static struct of_device_id power_match[] = { - { - .name = "power", - }, - {}, -}; - -static struct of_platform_driver power_driver = { - .match_table = power_match, - .probe = power_probe, - .driver = { - .name = "power", - }, -}; - -void __init power_init(void) -{ - of_register_driver(&power_driver, &of_platform_bus_type); - return; -} |
