soc/intel/xeon_sp: Setup DPR for all VT-d devices
The Data Protected Range (DPR) needs to be set for all DPR devices,
not only the root device. Separate the setup from the memory
resource map reservation.
Change-Id: I7e49db23960e3938e8e158082be3c5ecf3cf95f3
Signed-off-by: Marc Jones <marcjones@sysproconsulting.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71143
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c
index d4cf4bc..380b7e7 100644
--- a/src/soc/intel/xeon_sp/uncore.c
+++ b/src/soc/intel/xeon_sp/uncore.c
@@ -196,8 +196,7 @@
res = ram_from_to(dev, index++, top_of_ram, (uintptr_t)cbmem_top());
LOG_RESOURCE("cbmem_ram", dev, res);
- /* Reserve and set up DPR */
- configure_dpr(dev);
+ /* Reserve DPR region */
union dpr_register dpr = { .raw = pci_read_config32(dev, VTD_LTDPR) };
if (dpr.size) {
/*
@@ -262,6 +261,9 @@
/* Read standard PCI resources. */
pci_dev_read_resources(dev);
+ /* set up DPR */
+ configure_dpr(dev);
+
/* Calculate and add DRAM resources. */
mc_add_dram_resources(dev, &index);
}