From e798e6a0b946fe5a3964bc38fb7783a219adf177 Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Sat, 23 Dec 2017 23:09:54 +0100 Subject: sb/intel/i82801ix: Use the common ACPI pirq generator For this to work the northbridge and lpc bridge device need acpi_name functions. TESTED on Thinkpad X200, a valid PIRQ routing in SSDT in /sys/firmware/acpi/tables/SSDT Change-Id: I62e520f53fa3f928a8e6f3b3cf33af2acdd53ed9 Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/22980 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/northbridge/intel/gm45/acpi/hostbridge.asl | 3 --- src/northbridge/intel/gm45/northbridge.c | 17 +++++++++++++++++ 2 files changed, 17 insertions(+), 3 deletions(-) (limited to 'src/northbridge/intel') diff --git a/src/northbridge/intel/gm45/acpi/hostbridge.asl b/src/northbridge/intel/gm45/acpi/hostbridge.asl index c674df50d5..afa7a61404 100644 --- a/src/northbridge/intel/gm45/acpi/hostbridge.asl +++ b/src/northbridge/intel/gm45/acpi/hostbridge.asl @@ -228,6 +228,3 @@ Method (_CRS, 0, Serialized) Return (MCRS) } - -/* IRQ assignment is mainboard specific. Get it from mainboard ACPI code */ -#include "acpi/gm45_pci_irqs.asl" diff --git a/src/northbridge/intel/gm45/northbridge.c b/src/northbridge/intel/gm45/northbridge.c index 4c42513bd0..663a9ff579 100644 --- a/src/northbridge/intel/gm45/northbridge.c +++ b/src/northbridge/intel/gm45/northbridge.c @@ -191,6 +191,22 @@ static void mch_domain_init(struct device *dev) pci_write_config32(dev, PCI_COMMAND, reg32); } +static const char *northbridge_acpi_name(const struct device *dev) +{ + if (dev->path.type == DEVICE_PATH_DOMAIN) + return "PCI0"; + + if (dev->path.type != DEVICE_PATH_PCI || dev->bus->secondary != 0) + return NULL; + + switch (dev->path.pci.devfn) { + case PCI_DEVFN(0, 0): + return "MCHC"; + } + + return NULL; +} + static struct device_operations pci_domain_ops = { .read_resources = mch_domain_read_resources, .set_resources = mch_domain_set_resources, @@ -199,6 +215,7 @@ static struct device_operations pci_domain_ops = { .scan_bus = pci_domain_scan_bus, .write_acpi_tables = northbridge_write_acpi_tables, .acpi_fill_ssdt_generator = generate_cpu_entries, + .acpi_name = northbridge_acpi_name, }; -- cgit v1.2.3