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		e839ca5287
		
	
	
	
	
		
			
			Disintegrate asm/system.h for SH. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-sh@vger.kernel.org
		
			
				
	
	
		
			103 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <linux/pm.h>
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| #include <linux/kexec.h>
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| #include <linux/kernel.h>
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| #include <linux/reboot.h>
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| #include <linux/module.h>
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| #ifdef CONFIG_SUPERH32
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| #include <asm/watchdog.h>
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| #endif
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| #include <asm/addrspace.h>
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| #include <asm/reboot.h>
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| #include <asm/tlbflush.h>
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| #include <asm/traps.h>
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| 
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| void (*pm_power_off)(void);
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| EXPORT_SYMBOL(pm_power_off);
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| 
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| #ifdef CONFIG_SUPERH32
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| static void watchdog_trigger_immediate(void)
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| {
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| 	sh_wdt_write_cnt(0xFF);
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| 	sh_wdt_write_csr(0xC2);
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| }
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| #endif
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| 
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| static void native_machine_restart(char * __unused)
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| {
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| 	local_irq_disable();
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| 
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| 	/* Destroy all of the TLBs in preparation for reset by MMU */
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| 	__flush_tlb_global();
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| 
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| 	/* Address error with SR.BL=1 first. */
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| 	trigger_address_error();
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| 
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| #ifdef CONFIG_SUPERH32
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| 	/* If that fails or is unsupported, go for the watchdog next. */
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| 	watchdog_trigger_immediate();
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| #endif
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| 
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| 	/*
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| 	 * Give up and sleep.
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| 	 */
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| 	while (1)
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| 		cpu_sleep();
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| }
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| 
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| static void native_machine_shutdown(void)
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| {
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| 	smp_send_stop();
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| }
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| 
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| static void native_machine_power_off(void)
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| {
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| 	if (pm_power_off)
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| 		pm_power_off();
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| }
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| 
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| static void native_machine_halt(void)
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| {
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| 	/* stop other cpus */
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| 	machine_shutdown();
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| 
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| 	/* stop this cpu */
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| 	stop_this_cpu(NULL);
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| }
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| 
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| struct machine_ops machine_ops = {
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| 	.power_off	= native_machine_power_off,
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| 	.shutdown	= native_machine_shutdown,
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| 	.restart	= native_machine_restart,
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| 	.halt		= native_machine_halt,
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| #ifdef CONFIG_KEXEC
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| 	.crash_shutdown = native_machine_crash_shutdown,
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| #endif
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| };
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| 
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| void machine_power_off(void)
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| {
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| 	machine_ops.power_off();
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| }
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| 
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| void machine_shutdown(void)
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| {
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| 	machine_ops.shutdown();
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| }
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| 
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| void machine_restart(char *cmd)
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| {
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| 	machine_ops.restart(cmd);
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| }
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| 
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| void machine_halt(void)
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| {
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| 	machine_ops.halt();
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| }
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| 
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| #ifdef CONFIG_KEXEC
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| void machine_crash_shutdown(struct pt_regs *regs)
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| {
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| 	machine_ops.crash_shutdown(regs);
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| }
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| #endif
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