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-rw-r--r--arch/ppc64/kernel/maple_setup.c64
1 files changed, 62 insertions, 2 deletions
diff --git a/arch/ppc64/kernel/maple_setup.c b/arch/ppc64/kernel/maple_setup.c
index 8cf95a27178..da8900b51f4 100644
--- a/arch/ppc64/kernel/maple_setup.c
+++ b/arch/ppc64/kernel/maple_setup.c
@@ -78,17 +78,77 @@ extern int maple_pci_get_legacy_ide_irq(struct pci_dev *dev, int channel);
78extern void generic_find_legacy_serial_ports(u64 *physport, 78extern void generic_find_legacy_serial_ports(u64 *physport,
79 unsigned int *default_speed); 79 unsigned int *default_speed);
80 80
81
82static void maple_restart(char *cmd) 81static void maple_restart(char *cmd)
83{ 82{
83 unsigned int maple_nvram_base;
84 unsigned int maple_nvram_offset;
85 unsigned int maple_nvram_command;
86 struct device_node *rtcs;
87
88 /* find NVRAM device */
89 rtcs = find_compatible_devices("nvram", "AMD8111");
90 if (rtcs && rtcs->addrs) {
91 maple_nvram_base = rtcs->addrs[0].address;
92 } else {
93 printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
94 printk(KERN_EMERG "Maple: Manual Restart Required\n");
95 return;
96 }
97
98 /* find service processor device */
99 rtcs = find_devices("service-processor");
100 if (!rtcs) {
101 printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
102 printk(KERN_EMERG "Maple: Manual Restart Required\n");
103 return;
104 }
105 maple_nvram_offset = *(unsigned int*) get_property(rtcs,
106 "restart-addr", NULL);
107 maple_nvram_command = *(unsigned int*) get_property(rtcs,
108 "restart-value", NULL);
109
110 /* send command */
111 outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
112 for (;;) ;
84} 113}
85 114
86static void maple_power_off(void) 115static void maple_power_off(void)
87{ 116{
117 unsigned int maple_nvram_base;
118 unsigned int maple_nvram_offset;
119 unsigned int maple_nvram_command;
120 struct device_node *rtcs;
121
122 /* find NVRAM device */
123 rtcs = find_compatible_devices("nvram", "AMD8111");
124 if (rtcs && rtcs->addrs) {
125 maple_nvram_base = rtcs->addrs[0].address;
126 } else {
127 printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
128 printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
129 return;
130 }
131
132 /* find service processor device */
133 rtcs = find_devices("service-processor");
134 if (!rtcs) {
135 printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
136 printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
137 return;
138 }
139 maple_nvram_offset = *(unsigned int*) get_property(rtcs,
140 "power-off-addr", NULL);
141 maple_nvram_command = *(unsigned int*) get_property(rtcs,
142 "power-off-value", NULL);
143
144 /* send command */
145 outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
146 for (;;) ;
88} 147}
89 148
90static void maple_halt(void) 149static void maple_halt(void)
91{ 150{
151 maple_power_off();
92} 152}
93 153
94#ifdef CONFIG_SMP 154#ifdef CONFIG_SMP
@@ -235,6 +295,6 @@ struct machdep_calls __initdata maple_md = {
235 .get_boot_time = maple_get_boot_time, 295 .get_boot_time = maple_get_boot_time,
236 .set_rtc_time = maple_set_rtc_time, 296 .set_rtc_time = maple_set_rtc_time,
237 .get_rtc_time = maple_get_rtc_time, 297 .get_rtc_time = maple_get_rtc_time,
238 .calibrate_decr = maple_calibrate_decr, 298 .calibrate_decr = generic_calibrate_decr,
239 .progress = maple_progress, 299 .progress = maple_progress,
240}; 300};