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Diffstat (limited to 'src/mainboard/iwill/dk8X/irq_tables.c')
-rw-r--r--src/mainboard/iwill/dk8X/irq_tables.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/mainboard/iwill/dk8X/irq_tables.c b/src/mainboard/iwill/dk8X/irq_tables.c
new file mode 100644
index 0000000000..6322c3df21
--- /dev/null
+++ b/src/mainboard/iwill/dk8X/irq_tables.c
@@ -0,0 +1,56 @@
+#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
+ * devices on the bus */
+ 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] */
+ 0x00, /* u8 checksum , mod 256 checksum must give
+ * zero, will be corrected later
+ */
+ {
+
+ /* 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 ),
+ }
+};
+unsigned long write_pirq_routing_table(unsigned long addr)
+{
+ return copy_pirq_routing_table(addr);
+}