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southbridge/intel/bd82x6x/acpi: Fix IRQ warnings 

The PCIe slot uses Message Signaled Interrupts (MSI) as the
IGD does and doesn't use hardware INT lines.
Adding the IRQ entry for PEG slot fixes a warning showing up in
GNU/Linux dmesg.

Test system:
 * Intel IvyBridge
 * Gigabyte GA-B75M-D3H

Change-Id: I5ac40e7bea9a659c6c89262aac4552bc8177a9e5
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/13612
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Rudolph 2016-02-06 13:03:21 +01:00 committed by Stefan Reinauer
parent e8e66f4763
commit 801471436e
1 changed files with 11 additions and 1 deletions
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10
src/southbridge/intel/bd82x6x/acpi/default_irq_route.asl
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@ -21,6 +21,11 @@ Method(_PRT)
Return (Package() {
/* Onboard graphics (IGD) 0:2.0 */
Package() { 0x0002ffff, 0, 0, 16 },/* GFX INTA -> PIRQA (MSI) */
/* PCI Express Graphics (PEG) 0:1.0 */
Package() { 0x0001ffff, 0, 0, 16 },/* GFX PCIe INTA -> PIRQA (MSI) */
Package() { 0x0001ffff, 0, 0, 17 },/* GFX PCIe INTB -> PIRQB (MSI) */
Package() { 0x0001ffff, 0, 0, 18 },/* GFX PCIe INTC -> PIRQC (MSI) */
Package() { 0x0001ffff, 0, 0, 19 },/* GFX PCIe INTD -> PIRQD (MSI) */
/* XHCI 0:14.0 (ivy only) */
Package() { 0x0014ffff, 0, 0, 19 },
/* High Definition Audio 0:1b.0 */
@ -44,6 +49,11 @@ Method(_PRT)
Return (Package() {
/* Onboard graphics (IGD) 0:2.0 */
Package() { 0x0002ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
/* PCI Express Graphics (PEG) 0:1.0 */
Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKA, 0 },
Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKB, 0 },
Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKC, 0 },
Package() { 0x0001ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
/* XHCI 0:14.0 (ivy only) */
Package() { 0x0014ffff, 0, \_SB.PCI0.LPCB.LNKD, 0 },
/* High Definition Audio 0:1b.0 */