18 lines
		
	
	
		
			446 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			446 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Derived from the i386 version.
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|  */
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| 
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| /*
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|  * This assumes you have a 1.8432 MHz clock for your UART.
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|  *
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|  * It'd be nice if someone built a serial card with a 24.576 MHz
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|  * clock, since the 16550A is capable of handling a top speed of 1.5
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|  * megabits/second; but this requires the faster clock.
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|  */
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| #define BASE_BAUD ( 1843200 / 16 )
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| 
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| /*
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|  * All legacy serial ports should be enumerated via ACPI namespace, so
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|  * we need not list them here.
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|  */
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