[S] Change in coreboot[main]: soc/intel/xeon_sp/gnr: Add soc_pci_domain_fill_ssdt

[Shuo Liu (Code Review)]

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

Hello Jincheng Li,

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

https://review.coreboot.org/c/coreboot/+/81374?usp=email

to review the following change.

Change subject: soc/intel/xeon_sp/gnr: Add soc_pci_domain_fill_ssdt
......................................................................

soc/intel/xeon_sp/gnr: Add soc_pci_domain_fill_ssdt

Domain device objects are created with HID/CID/UID.

Change-Id: I28bfdf74d8044235f79f67d832860d8b4306670c
Signed-off-by: Shuo Liu 
Signed-off-by: Jincheng Li 
---
M src/soc/intel/xeon_sp/gnr/soc_acpi.c
1 file changed, 36 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/74/81374/1

diff --git a/src/soc/intel/xeon_sp/gnr/soc_acpi.c b/src/soc/intel/xeon_sp/gnr/soc_acpi.c
index 9d7c2ab..ab4328a 100644
--- a/src/soc/intel/xeon_sp/gnr/soc_acpi.c
+++ b/src/soc/intel/xeon_sp/gnr/soc_acpi.c
@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

+#include <acpi/acpigen.h>
+#include <acpi/acpigen_pci.h>
 #include <assert.h>
 #include <intelblocks/acpi.h>
 #include <intelblocks/pcr.h>
@@ -67,3 +69,37 @@
 {
    return current;
 }
+
+void soc_pci_domain_fill_ssdt(const struct device *domain)
+{
+	const char *name = acpi_device_name(domain);
+	printk(BIOS_DEBUG, "%s: Creating device %s\n", __func__, name);
+
+	/*
+	 * Scope (_SB) {
+	 *      Device (name) {
+	 */
+	acpigen_write_scope("\_SB");
+	acpigen_write_device(name);
+
+	/*
+	 *      Name (_HID, EisaId ("PNP0A08"))
+	 *      Name (_CID, EisaId ("PNP0A03"))
+	 *      Name (_UID, name)
+	 */
+	acpigen_write_name("_HID");
+	acpigen_emit_eisaid("PNP0A08");
+	acpigen_write_name("_CID");
+	acpigen_emit_eisaid("PNP0A03");
+	acpigen_write_name("_UID");
+	acpigen_write_string(name);
+
+	/*
+	 *	} //Device
+         * } //Scope
+         */
+        acpigen_pop_len();
+        acpigen_pop_len();
+
+        return;
+}