diff options
| author | Jonathan Zhang <jonzhang@meta.com> | 2022-12-19 15:49:33 -0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-01-11 14:56:50 +0000 |
| commit | da538cb38f559052cce2879ad8b96a6014390af6 (patch) | |
| tree | 168c128f36e111295defc11796cfbc77c1e5d16c /src | |
| parent | b911c4896d8df3b550c12248476dfcfdda496dff (diff) | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/xeon_sp/uncore.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/soc/intel/xeon_sp/uncore.c b/src/soc/intel/xeon_sp/uncore.c index d4cf4bcc29..380b7e7b9c 100644 --- a/src/soc/intel/xeon_sp/uncore.c +++ b/src/soc/intel/xeon_sp/uncore.c @@ -196,8 +196,7 @@ static void mc_add_dram_resources(struct device *dev, int *res_count) 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 @@ static void mmapvtd_read_resources(struct device *dev) /* 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); } |