[coreboot-gerrit] [S] Change in coreboot[main]: soc/intel/xeon_sp: Add domain_to_pcie_segment_group

[Shuo Liu (Code Review)]

Attention is currently required from: Arthur Heymans, Christian Walter, Johnny Lin, Lean Sheng Tan, Patrick Rudolph, Tim Chu.

Hello Patrick Rudolph,

I'd like you to do a code review.
Please visit

https://review.coreboot.org/c/coreboot/+/81047?usp=email

to review the following change.

Change subject: soc/intel/xeon_sp: Add domain_to_pcie_segment_group
......................................................................

soc/intel/xeon_sp: Add domain_to_pcie_segment_group

Change-Id: Ie9626c125a2ea07fab7be2b2dbe922a3574dc3bf
Signed-off-by: Patrick Rudolph 
Signed-off-by: Shuo Liu 
---
M src/soc/intel/xeon_sp/chip_common.c
M src/soc/intel/xeon_sp/include/soc/chip_common.h
2 files changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/81047/1

diff --git a/src/soc/intel/xeon_sp/chip_common.c b/src/soc/intel/xeon_sp/chip_common.c
index f89532d..73978c9 100644
--- a/src/soc/intel/xeon_sp/chip_common.c
+++ b/src/soc/intel/xeon_sp/chip_common.c
@@ -316,3 +316,13 @@
    return false;
 }

+int domain_to_pcie_segment_group(const struct device *dev)
+{
+	assert(dev->path.type == DEVICE_PATH_DOMAIN);
+	const union xeon_domain_path dn = {
+		.domain_path = dev->path.domain.domain
+	};
+	const IIO_UDS *hob = get_iio_uds();
+	assert(hob != NULL);
+	return hob->PlatformData.CpuQpiInfo[dn.socket].PcieSegment;
+}
diff --git a/src/soc/intel/xeon_sp/include/soc/chip_common.h b/src/soc/intel/xeon_sp/include/soc/chip_common.h
index 683df03..33980a7 100644
--- a/src/soc/intel/xeon_sp/include/soc/chip_common.h
+++ b/src/soc/intel/xeon_sp/include/soc/chip_common.h
@@ -44,4 +44,6 @@
 bool is_dev_on_ioat_domain(struct device *dev);
 bool is_dev_on_ubox_domain(struct device *dev);

+int domain_to_pcie_segment_group(const struct device *dev);
+
 #endif /* _CHIP_COMMON_H_ */