From a5bd580b5f75bfd0685ecf8705557bdb45712461 Mon Sep 17 00:00:00 2001
From: Jonathan Zhang <jonzhang@meta.com>
Date: Mon, 30 Jan 2023 11:17:25 -0800
Subject: [PATCH] soc/intel/xeon_sp/uncore.c: skip configuring VTD dev

DPR should not be configured for VTD devices of other stacks for
SPR-SP. Such processor(s) would be configured with
SOC_INTEL_MMAPVTD_ONLY_FOR_DPR.

Change-Id: Ib33b1b62f59a10d362c6585b1403490d4a1aedeb
Signed-off-by: Jonathan Zhang <jonzhang@meta.com>
Signed-off-by: David Hendricks <ddaveh@amazon.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72616
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Zhang <jon.zhixiong.zhang@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
---
 src/soc/intel/xeon_sp/uncore.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c
index 9507253c62..418736ed2e 100644
--- a/src/soc/intel/xeon_sp/uncore.c
+++ b/src/soc/intel/xeon_sp/uncore.c
@@ -307,6 +307,7 @@ static const struct pci_driver mmapvtd_driver __pci_driver = {
 	.devices  = mmapvtd_ids
 };
 
+#if !CONFIG(SOC_INTEL_MMAPVTD_ONLY_FOR_DPR)
 static void vtd_read_resources(struct device *dev)
 {
 	pci_dev_read_resources(dev);
@@ -327,6 +328,7 @@ static const struct pci_driver vtd_driver __pci_driver = {
 	.vendor   = PCI_VID_INTEL,
 	.device   = MMAP_VTD_STACK_CFG_REG_DEVID,
 };
+#endif
 
 static void dmi3_init(struct device *dev)
 {