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-rw-r--r--arch/arm/mach-highbank/highbank.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index b3d7e5634b83..bd3bf66ce344 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -17,12 +17,15 @@
17#include <linux/clkdev.h> 17#include <linux/clkdev.h>
18#include <linux/clocksource.h> 18#include <linux/clocksource.h>
19#include <linux/dma-mapping.h> 19#include <linux/dma-mapping.h>
20#include <linux/input.h>
20#include <linux/io.h> 21#include <linux/io.h>
21#include <linux/irqchip.h> 22#include <linux/irqchip.h>
23#include <linux/mailbox.h>
22#include <linux/of.h> 24#include <linux/of.h>
23#include <linux/of_irq.h> 25#include <linux/of_irq.h>
24#include <linux/of_platform.h> 26#include <linux/of_platform.h>
25#include <linux/of_address.h> 27#include <linux/of_address.h>
28#include <linux/reboot.h>
26#include <linux/amba/bus.h> 29#include <linux/amba/bus.h>
27#include <linux/platform_device.h> 30#include <linux/platform_device.h>
28 31
@@ -130,6 +133,24 @@ static struct platform_device highbank_cpuidle_device = {
130 .name = "cpuidle-calxeda", 133 .name = "cpuidle-calxeda",
131}; 134};
132 135
136static int hb_keys_notifier(struct notifier_block *nb, unsigned long event, void *data)
137{
138 u32 key = *(u32 *)data;
139
140 if (event != 0x1000)
141 return 0;
142
143 if (key == KEY_POWER)
144 orderly_poweroff(false);
145 else if (key == 0xffff)
146 ctrl_alt_del();
147
148 return 0;
149}
150static struct notifier_block hb_keys_nb = {
151 .notifier_call = hb_keys_notifier,
152};
153
133static void __init highbank_init(void) 154static void __init highbank_init(void)
134{ 155{
135 struct device_node *np; 156 struct device_node *np;
@@ -145,6 +166,8 @@ static void __init highbank_init(void)
145 bus_register_notifier(&platform_bus_type, &highbank_platform_nb); 166 bus_register_notifier(&platform_bus_type, &highbank_platform_nb);
146 bus_register_notifier(&amba_bustype, &highbank_amba_nb); 167 bus_register_notifier(&amba_bustype, &highbank_amba_nb);
147 168
169 pl320_ipc_register_notifier(&hb_keys_nb);
170
148 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); 171 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
149 172
150 if (psci_ops.cpu_suspend) 173 if (psci_ops.cpu_suspend)