e325 support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1440 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 44 insertions, 0 deletions

diff --git a/src/mainboard/ibm/e325/irq_tables.c b/src/mainboard/ibm/e325/irq_tables.c
new file mode 100644
index 0000000000..c54d43bbd1
--- /dev/null
+++ b/src/mainboard/ibm/e325/irq_tables.c
@@ -0,0 +1,44 @@
+#include <arch/pirq_routing.h>
+#include <device/pci.h>
+
+#define IRQ_ROUTER_BUS		1
+#define IRQ_ROUTER_DEVFN	PCI_DEVFN(4,3)
+#define IRQ_ROUTER_VENDOR	0x1022
+#define IRQ_ROUTER_DEVICE	0x746b
+
+#define AVAILABLE_IRQS 0xdef8
+#define IRQ_SLOT(slot, bus, dev, fn, linka, linkb, linkc, linkd) \
+	{ bus, (dev<<3)|fn, {{ linka, AVAILABLE_IRQS}, { linkb, AVAILABLE_IRQS}, \
+	{linkc, AVAILABLE_IRQS}, {linkd, AVAILABLE_IRQS}}, slot, 0}
+
+/*  Each IRQ_SLOT entry consists of:
+ *  bus, devfn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu  
+ */
+
+const struct irq_routing_table intel_irq_routing_table = {
+	PIRQ_SIGNATURE,		/* u32 signature */
+	PIRQ_VERSION,           /* u16 version   */
+	32+16*IRQ_SLOT_COUNT,	/* there can be total IRQ_SLOT_COUNT table entries */
+	IRQ_ROUTER_BUS,		/* Where the interrupt router lies (bus) */
+	IRQ_ROUTER_DEVFN,	/* Where the interrupt router lies (dev) */
+	0x00,			/* IRQs devoted exclusively to PCI usage */
+	IRQ_ROUTER_VENDOR,	/* Vendor */
+	IRQ_ROUTER_DEVICE,	/* Device */
+	0x00,			/* Crap (miniport) */
+	{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
+	0xb0,           /*  u8 checksum , mod 256 checksum must give zero */
+	{	/* slot(0=onboard), devfn, irqlinks (line id, 0=not routed) */
+		/* PCI Slot 1-6 */
+		IRQ_SLOT(1, 3,1,0, 2,3,4,1 ),
+		IRQ_SLOT(2, 3,2,0, 3,4,1,2 ),
+		IRQ_SLOT(3, 2,1,0, 2,3,4,1 ),
+		IRQ_SLOT(4, 2,2,0, 3,4,1,2 ),
+		IRQ_SLOT(5, 4,5,0, 2,3,4,1 ),
+		IRQ_SLOT(6, 4,4,0, 1,2,3,4 ),
+		/* Onboard NICs */
+		IRQ_SLOT(0, 2,3,0, 4,0,0,0 ),
+		IRQ_SLOT(0, 2,4,0, 4,0,0,0 ),
+		/* Let Linux know about bus 1 */
+		IRQ_SLOT(0, 1,4,3, 0,0,0,0 ),
+	}
+};