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path: root/target/linux/brcm47xx/patches-3.6/181-bcma-explicit-assigne-irq-numbers.patch
blob: 7fac41535dde448e442c10c42592220bc588e3d9 (plain)
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--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -148,6 +148,22 @@ static void bcma_core_mips_set_irq(struc
 		  dev->id.id, oldirq + 2, irq + 2);
 }
 
+static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
+					u16 coreid, u8 unit)
+{
+	struct bcma_device *core;
+
+	core = bcma_find_core_unit(bus, coreid, unit);
+	if (!core) {
+		bcma_warn(bus,
+			  "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n",
+			  coreid, unit);
+		return;
+	}
+
+	bcma_core_mips_set_irq(core, irq);
+}
+
 static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq)
 {
 	int i;
@@ -247,7 +263,8 @@ void bcma_core_mips_early_init(struct bc
 void bcma_core_mips_init(struct bcma_drv_mips *mcore)
 {
 	struct bcma_bus *bus;
-	struct bcma_device *core;
+	int irq;
+
 	bus = mcore->core->bus;
 
 	if (mcore->setup_done)
@@ -259,35 +276,44 @@ void bcma_core_mips_init(struct bcma_drv
 
 	mcore->assigned_irqs = 1;
 
-	/* Assign IRQs to all cores on the bus */
-	list_for_each_entry(core, &bus->cores, list) {
-		int mips_irq;
-		if (core->irq)
-			continue;
-
-		mips_irq = bcma_core_mips_irq(core);
-		if (mips_irq > 4)
-			core->irq = 0;
-		else
-			core->irq = mips_irq + 2;
-		if (core->irq > 5)
-			continue;
-		switch (core->id.id) {
-		case BCMA_CORE_PCI:
-		case BCMA_CORE_PCIE:
-		case BCMA_CORE_ETHERNET:
-		case BCMA_CORE_ETHERNET_GBIT:
-		case BCMA_CORE_MAC_GBIT:
-		case BCMA_CORE_80211:
-		case BCMA_CORE_USB20_HOST:
-			/* These devices get their own IRQ line if available,
-			 * the rest goes on IRQ0
-			 */
-			if (mcore->assigned_irqs <= 4)
-				bcma_core_mips_set_irq(core,
-						       mcore->assigned_irqs++);
-			break;
-		}
+	switch (bus->chipinfo.id) {
+	case BCMA_CHIP_ID_BCM4716:
+	case BCMA_CHIP_ID_BCM4748:
+		bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+		bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+		bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0);
+		bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_PCIE, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0);
+		break;
+	case BCMA_CHIP_ID_BCM5356:
+	case BCMA_CHIP_ID_BCM47162:
+	case BCMA_CHIP_ID_BCM53572:
+		bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+		bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+		break;
+	case BCMA_CHIP_ID_BCM5357:
+	case BCMA_CHIP_ID_BCM4749:
+		bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+		bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+		bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0);
+		break;
+	case BCMA_CHIP_ID_BCM4706:
+		bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_PCIE, 0);
+		bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_4706_MAC_GBIT,
+					    0);
+		bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_PCIE, 1);
+		bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_USB20_HOST, 0);
+		bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_4706_CHIPCOMMON,
+					    0);
+		break;
+	default:
+		bcma_err(bus,
+			 "Unknown device (0x%x) found, can not configure IRQs\n",
+			 bus->chipinfo.id);
 	}
 	bcma_info(bus, "IRQ reconfiguration done\n");
 	bcma_core_mips_dump_irq(bus);