81 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			81 lines
		
	
	
	
		
			2.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * linux/arch/sh/boards/se/770x/irq.c | ||
|  |  * | ||
|  |  * Copyright (C) 2000  Kazumoto Kojima | ||
|  |  * | ||
|  |  * Hitachi SolutionEngine Support. | ||
|  |  * | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <linux/config.h>
 | ||
|  | #include <linux/init.h>
 | ||
|  | #include <linux/irq.h>
 | ||
|  | #include <asm/irq.h>
 | ||
|  | #include <asm/io.h>
 | ||
|  | #include <asm/se/se.h>
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * Initialize IRQ setting | ||
|  |  */ | ||
|  | void __init init_se_IRQ(void) | ||
|  | { | ||
|  |         /*
 | ||
|  |          * Super I/O (Just mimic PC): | ||
|  |          *  1: keyboard | ||
|  |          *  3: serial 0 | ||
|  |          *  4: serial 1 | ||
|  |          *  5: printer | ||
|  |          *  6: floppy | ||
|  |          *  8: rtc | ||
|  |          * 12: mouse | ||
|  |          * 14: ide0 | ||
|  |          */ | ||
|  | #if defined(CONFIG_CPU_SUBTYPE_SH7705)
 | ||
|  | 	/* Disable all interrupts */ | ||
|  | 	ctrl_outw(0, BCR_ILCRA); | ||
|  | 	ctrl_outw(0, BCR_ILCRB); | ||
|  | 	ctrl_outw(0, BCR_ILCRC); | ||
|  | 	ctrl_outw(0, BCR_ILCRD); | ||
|  | 	ctrl_outw(0, BCR_ILCRE); | ||
|  | 	ctrl_outw(0, BCR_ILCRF); | ||
|  | 	ctrl_outw(0, BCR_ILCRG); | ||
|  | 	/* This is default value */ | ||
|  | 	make_ipr_irq(0xf-0x2, BCR_ILCRA, 2, 0x2); | ||
|  | 	make_ipr_irq(0xf-0xa, BCR_ILCRA, 1, 0xa); | ||
|  | 	make_ipr_irq(0xf-0x5, BCR_ILCRB, 0, 0x5); | ||
|  | 	make_ipr_irq(0xf-0x8, BCR_ILCRC, 1, 0x8); | ||
|  | 	make_ipr_irq(0xf-0xc, BCR_ILCRC, 0, 0xc); | ||
|  | 	make_ipr_irq(0xf-0xe, BCR_ILCRD, 3, 0xe); | ||
|  | 	make_ipr_irq(0xf-0x3, BCR_ILCRD, 1, 0x3); /* LAN */ | ||
|  | 	make_ipr_irq(0xf-0xd, BCR_ILCRE, 2, 0xd); | ||
|  | 	make_ipr_irq(0xf-0x9, BCR_ILCRE, 1, 0x9); | ||
|  | 	make_ipr_irq(0xf-0x1, BCR_ILCRE, 0, 0x1); | ||
|  | 	make_ipr_irq(0xf-0xf, BCR_ILCRF, 3, 0xf); | ||
|  | 	make_ipr_irq(0xf-0xb, BCR_ILCRF, 1, 0xb); | ||
|  | 	make_ipr_irq(0xf-0x7, BCR_ILCRG, 3, 0x7); | ||
|  | 	make_ipr_irq(0xf-0x6, BCR_ILCRG, 2, 0x6); | ||
|  | 	make_ipr_irq(0xf-0x4, BCR_ILCRG, 1, 0x4); | ||
|  | #else
 | ||
|  |         make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-14); | ||
|  |         make_ipr_irq(12, BCR_ILCRA, 1, 0x0f-12); | ||
|  |         make_ipr_irq( 8, BCR_ILCRB, 1, 0x0f- 8); | ||
|  |         make_ipr_irq( 6, BCR_ILCRC, 3, 0x0f- 6); | ||
|  |         make_ipr_irq( 5, BCR_ILCRC, 2, 0x0f- 5); | ||
|  |         make_ipr_irq( 4, BCR_ILCRC, 1, 0x0f- 4); | ||
|  |         make_ipr_irq( 3, BCR_ILCRC, 0, 0x0f- 3); | ||
|  |         make_ipr_irq( 1, BCR_ILCRD, 3, 0x0f- 1); | ||
|  | 
 | ||
|  |         make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); /* LAN */ | ||
|  | 
 | ||
|  |         make_ipr_irq( 0, BCR_ILCRE, 3, 0x0f- 0); /* PCIRQ3 */ | ||
|  |         make_ipr_irq(11, BCR_ILCRE, 2, 0x0f-11); /* PCIRQ2 */ | ||
|  |         make_ipr_irq( 9, BCR_ILCRE, 1, 0x0f- 9); /* PCIRQ1 */ | ||
|  |         make_ipr_irq( 7, BCR_ILCRE, 0, 0x0f- 7); /* PCIRQ0 */ | ||
|  | 
 | ||
|  |         /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ | ||
|  |         /* NOTE: #2 and #13 are not used on PC */ | ||
|  |         make_ipr_irq(13, BCR_ILCRG, 1, 0x0f-13); /* SLOTIRQ2 */ | ||
|  |         make_ipr_irq( 2, BCR_ILCRG, 0, 0x0f- 2); /* SLOTIRQ1 */ | ||
|  | #endif
 | ||
|  | } |