40 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * arch/sh/drivers/pci/ops-snapgear.c
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|  *
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|  * Author:  David McCullough <davidm@snapgear.com>
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|  *
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|  * Ported to new API by Paul Mundt <lethal@linux-sh.org>
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|  *
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|  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
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|  *
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|  * May be copied or modified under the terms of the GNU General Public
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|  * License.  See linux/COPYING for more information.
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|  *
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|  * PCI initialization for the SnapGear boards
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|  */
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| #include <linux/kernel.h>
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| #include <linux/types.h>
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| #include <linux/init.h>
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| #include <linux/pci.h>
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| #include <linux/sh_intc.h>
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| #include "pci-sh4.h"
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| 
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| int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
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| {
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| 	int irq = -1;
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| 
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| 	switch (slot) {
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| 	case 8:  /* the PCI bridge */ break;
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| 	case 11: irq = evt2irq(0x300); break; /* USB    */
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| 	case 12: irq = evt2irq(0x360); break; /* PCMCIA */
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| 	case 13: irq = evt2irq(0x2a0); break; /* eth0   */
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| 	case 14: irq = evt2irq(0x300); break; /* eth1   */
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| 	case 15: irq = evt2irq(0x360); break; /* safenet (unused) */
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| 	}
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| 
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| 	printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n",
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| 	       slot, pin - 1 + 'A', irq);
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| 
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| 	return irq;
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| }
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