From 97157b4d0e8357e515eacbc41d938e44f28c9b9d Mon Sep 17 00:00:00 2001
From: gallatin <gallatin@FreeBSD.org>
Date: Fri, 1 Jun 2001 17:39:11 +0000
Subject: Resurrect platform.pci_intr_map() and essentially undo the effects of
 the interface conversion to platform.pci_intr_route().  I've left the
 platform.pci_intr_route() function pointer in place, as well as
 alpha_pci_route_interrupt(), but no platform currently implements it.

To work around the removal of alpha_platform_assign_pciintr(cfg);
from the pci probe code, I've hooked in calls to platform.pci_intr_map()
in pcib_read_config (similar to the x86 APIC_IO ifdef in pci_cfgregread)
for every chipset that has a platform which needs it.

While here, I've removed the interupt mapping/routing code from the
AS2x00 platform because its not required (it has never been present in
-stable).

Tested on: UP1000, Miata(GL), XP1000, AS2100, AS500
---
 sys/alpha/pci/t2.c | 105 -----------------------------------------------------
 1 file changed, 105 deletions(-)

(limited to 'sys/alpha/pci/t2.c')

diff --git a/sys/alpha/pci/t2.c b/sys/alpha/pci/t2.c
index 05c0a0b..815f0be 100644
--- a/sys/alpha/pci/t2.c
+++ b/sys/alpha/pci/t2.c
@@ -371,111 +371,6 @@ t2_attach(device_t dev)
 	return 0;
 }
 
-/*
- * Map pci slot & INTx pin to the ICIC interrupt value for our PCIs.
- */
-
-static int 
-t2_ICIC_slot_to_STDIO_irq(device_t bus, device_t dev, int pin)
-{
-
-	int ret_irq = 0;
-
-	/*
-	 * Return the interrupt pin number for the PCI slots.  
-	 */
-
-	/*
-	 * Generate the proper interrupt conversion for the physical
-	 * PCI slots (for both the primary PCI slots and those behind
-	 * a PPB). 
-	 */
-	/*
-	 * XXX This code is wrong; we need to determine the correct
-	 *     swizzle for devices behind the onboard PCI:PCI bridge
-	 *     and ensure that the generic bridge code doesn't try to
-	 *     reroute them.
-	 */
-	if ((pci_get_slot(dev) >= 6) && (pci_get_slot(dev) <= 9)) {
-		ret_irq = (32 + (4 * (pci_get_slot(dev) - 6))) +
-		    (pin - 1) + (16 * pci_get_bus(dev));
-		return (ret_irq);
-	}
-
-	/* Convert the NCR810A chip behind the PPB */
-	if (pci_get_slot(dev) == 1) {
-		ret_irq = 28;
-		return (ret_irq);
-	}
-
-	/*
-	 * Convert the NCR810A chip on the primary PCI bus or the
-	 * TULIP chip behind the PPB.  There is no system that has
-	 * both, so there really is no sharing going on although it
-	 * looks like it. 
-	 */
-	if ((pci_get_slot(dev) == 4) || (pci_get_slot(dev) == 0)) {
-		ret_irq = 24;
-		return (ret_irq);
-	}
-
-	printf("ICIC invalid pci slot: 0x%x intpin: 0x%x bus num:0x%x\n", 
-	       pci_get_slot(dev), pin, pci_get_bus(dev));
-	return(-1);
-}
-
-/*
- * Map pci slot & INTx pin to STDIO's 8259 irq input value for PCI0.
- */
-
-static int 
-t2_pci0_slot_to_STDIO_irq(device_t bus, device_t dev, int pin)
-{
-
-	switch(pci_get_slot(dev)) {
-	case 0:	/* ethernet (tulip) port */
-		return(0x2);
-	case 1:	/* scsi 810 */
-		return(0x1);
-	case 6:	/* optional slot 0 */
-		switch (pin) {
-		case 1: return(0x0);
-		case 2: return(0x18);
-		case 3: return(0x1a);
-		case 4: return(0x1d);
-		}
-	case 7:	/* optional slot 1 */
-		switch (pin) {
-		case 1: return(0x4);
-		case 2: return(0x19);
-		case 3: return(0x1b);
-		case 4: return(0x1e);
-		}
-	case 8:	/* optional slot 2 */
-		switch (pin) {
-		case 1: return(0x5);
-		case 2: return(0x14);
-		case 3: return(0x1c);
-		case 4: return(0x1f);
-		}
-	default:	/* invalid slot */
-		printf("PCI slot %d unknown\n", pci_get_slot(dev));
-		return(-1);
-	}
-	printf("invalid pci0 intpin slot: 0x%x intpin: 0x%x\n", 
-	       pci_get_slot(dev), pin);
-	return (-1);
-}
-
-int
-t2_intr_route(device_t bus, device_t dev, int pin)
-{
-	if (pci_int_type[0]) {
-		return (t2_ICIC_slot_to_STDIO_irq(bus, dev, pin));
-	} else {
-		return (t2_pci0_slot_to_STDIO_irq(bus, dev, pin));
-	}
-}
 
 /*
  * magical mystery table partly obtained from Linux
-- 
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