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											2008-07-17 21:55:51 -07:00
										 |  |  | /*
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							|  |  |  |  * Machine dependent access functions for RTC registers. | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #ifndef __ASM_SPARC64_MC146818RTC_H
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							|  |  |  | #define __ASM_SPARC64_MC146818RTC_H
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							|  |  |  | #include <asm/io.h>
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							|  |  |  | #ifndef RTC_PORT
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										 |  |  | extern unsigned long cmos_regs; | 
					
						
							|  |  |  | #define RTC_PORT(x)	(cmos_regs + (x))
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										 |  |  | #define RTC_ALWAYS_BCD	0
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							|  |  |  | #endif
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							|  |  |  | /*
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							|  |  |  |  * The yet supported machines all access the RTC index register via | 
					
						
							|  |  |  |  * an ISA port access but the way to access the date register differs ... | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | #define CMOS_READ(addr) ({ \
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							|  |  |  | outb_p((addr),RTC_PORT(0)); \ | 
					
						
							|  |  |  | inb_p(RTC_PORT(1)); \ | 
					
						
							|  |  |  | }) | 
					
						
							|  |  |  | #define CMOS_WRITE(val, addr) ({ \
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							|  |  |  | outb_p((addr),RTC_PORT(0)); \ | 
					
						
							|  |  |  | outb_p((val),RTC_PORT(1)); \ | 
					
						
							|  |  |  | }) | 
					
						
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							|  |  |  | #endif /* __ASM_SPARC64_MC146818RTC_H */
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