diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2021-03-16 20:29:06 -0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-05-09 18:10:29 +0000 |
| commit | f486fcc9985f57c87e2a44a0cc7f1fdc8af32740 (patch) | |
| tree | b9e046e1ac0cfd03002e8291211e81db61c5a102 /src/soc/amd/cezanne | |
| parent | fd7ed87746d763feff7d26dba9598b505e8750c1 (diff) | |
soc/amd/cezanne: Generate PCI routing table
Use the new acpigen_write_PRT to write the _PRT for each PCI bridge.
BUG=b:184766519
TEST=Dump guybrush ACPI table and verify it looks correct.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Idb559335435a95e73640e6d7fb224e16e0592326
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51556
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/soc/amd/cezanne')
| -rw-r--r-- | src/soc/amd/cezanne/acpi/soc.asl | 2 | ||||
| -rw-r--r-- | src/soc/amd/cezanne/pcie_gpp.c | 30 |
2 files changed, 30 insertions, 2 deletions
diff --git a/src/soc/amd/cezanne/acpi/soc.asl b/src/soc/amd/cezanne/acpi/soc.asl index 5039ca1faf..e603307c2f 100644 --- a/src/soc/amd/cezanne/acpi/soc.asl +++ b/src/soc/amd/cezanne/acpi/soc.asl @@ -12,6 +12,8 @@ Scope(\_SB) { #include "pci_int_defs.asl" + #include <soc/amd/common/acpi/pci_int.asl> + #include "mmio.asl" #include "pci0.asl" diff --git a/src/soc/amd/cezanne/pcie_gpp.c b/src/soc/amd/cezanne/pcie_gpp.c index 4ab206b231..16c6b23243 100644 --- a/src/soc/amd/cezanne/pcie_gpp.c +++ b/src/soc/amd/cezanne/pcie_gpp.c @@ -1,6 +1,10 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ #include <acpi/acpi_device.h> +#include <acpi/acpigen.h> +#include <acpi/acpigen_pci.h> +#include <amdblocks/amd_pci_util.h> +#include <assert.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> @@ -46,6 +50,28 @@ static const char *pcie_gpp_acpi_name(const struct device *dev) } } +static void acpi_device_write_gpp_pci_dev(const struct device *dev) +{ + const char *scope = acpi_device_scope(dev); + const char *name = acpi_device_name(dev); + + assert(dev->path.type == DEVICE_PATH_PCI); + assert(name); + assert(scope); + + acpigen_write_scope(scope); + acpigen_write_device(name); + + acpigen_write_ADR_pci_device(dev); + acpigen_write_STA(acpi_device_status(dev)); + + /* b/187083211 - Enable GNB IO-APIC */ + acpigen_write_pci_FCH_PRT(dev); + + acpigen_pop_len(); /* Device */ + acpigen_pop_len(); /* Scope */ +} + static struct device_operations internal_pcie_gpp_ops = { .read_resources = pci_bus_read_resources, .set_resources = pci_dev_set_resources, @@ -53,7 +79,7 @@ static struct device_operations internal_pcie_gpp_ops = { .scan_bus = pci_scan_bridge, .reset_bus = pci_bus_reset, .acpi_name = pcie_gpp_acpi_name, - .acpi_fill_ssdt = acpi_device_write_pci_dev, + .acpi_fill_ssdt = acpi_device_write_gpp_pci_dev, }; static const struct pci_driver internal_pcie_gpp_driver __pci_driver = { @@ -69,7 +95,7 @@ static struct device_operations external_pcie_gpp_ops = { .scan_bus = pciexp_scan_bridge, .reset_bus = pci_bus_reset, .acpi_name = pcie_gpp_acpi_name, - .acpi_fill_ssdt = acpi_device_write_pci_dev, + .acpi_fill_ssdt = acpi_device_write_gpp_pci_dev, }; static const unsigned short external_pci_gpp_ids[] = { |