From 144c7aa34bffba7b65566e037f0588ace8b00eba Mon Sep 17 00:00:00 2001
From: Felix Held <felix-coreboot@felixheld.de>
Date: Tue, 4 May 2021 21:06:04 +0200
Subject: [PATCH] soc/amd/cezanne/agesa_acpi: add and call
 agesa_write_acpi_tables

This function will be used to add some SSDTs.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia88cb5ea483850a8659f3bae8040c82eb2735d26
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52902
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
---
 src/soc/amd/cezanne/Makefile.inc       |  1 +
 src/soc/amd/cezanne/agesa_acpi.c       | 13 +++++++++++++
 src/soc/amd/cezanne/chip.c             |  3 +++
 src/soc/amd/cezanne/include/soc/acpi.h |  8 ++++++++
 4 files changed, 25 insertions(+)
 create mode 100644 src/soc/amd/cezanne/agesa_acpi.c

diff --git a/src/soc/amd/cezanne/Makefile.inc b/src/soc/amd/cezanne/Makefile.inc
index e51a6163a8..ebdad458a6 100644
--- a/src/soc/amd/cezanne/Makefile.inc
+++ b/src/soc/amd/cezanne/Makefile.inc
@@ -32,6 +32,7 @@ romstage-y	+= uart.c
 
 ramstage-y	+= i2c.c
 ramstage-y	+= acpi.c
+ramstage-y	+= agesa_acpi.c
 ramstage-y	+= chip.c
 ramstage-y	+= cpu.c
 ramstage-y	+= data_fabric.c
diff --git a/src/soc/amd/cezanne/agesa_acpi.c b/src/soc/amd/cezanne/agesa_acpi.c
new file mode 100644
index 0000000000..8084e4d5eb
--- /dev/null
+++ b/src/soc/amd/cezanne/agesa_acpi.c
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <amdblocks/acpi.h>
+#include <device/device.h>
+#include <soc/acpi.h>
+#include <types.h>
+
+uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
+				  acpi_rsdp_t *rsdp)
+{
+	return current;
+}
diff --git a/src/soc/amd/cezanne/chip.c b/src/soc/amd/cezanne/chip.c
index 8625bd75f1..625f46ce8e 100644
--- a/src/soc/amd/cezanne/chip.c
+++ b/src/soc/amd/cezanne/chip.c
@@ -4,6 +4,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <fsp/api.h>
+#include <soc/acpi.h>
 #include <soc/cpu.h>
 #include <soc/data_fabric.h>
 #include <soc/pci_devs.h>
@@ -79,6 +80,8 @@ static void enable_dev(struct device *dev)
 
 static void soc_init(void *chip_info)
 {
+	default_dev_ops_root.write_acpi_tables = agesa_write_acpi_tables;
+
 	fsp_silicon_init();
 
 	data_fabric_set_mmio_np();
diff --git a/src/soc/amd/cezanne/include/soc/acpi.h b/src/soc/amd/cezanne/include/soc/acpi.h
index 1b1d2fbb14..ab90c96c7b 100644
--- a/src/soc/amd/cezanne/include/soc/acpi.h
+++ b/src/soc/amd/cezanne/include/soc/acpi.h
@@ -3,6 +3,11 @@
 #ifndef AMD_CEZANNE_ACPI_H
 #define AMD_CEZANNE_ACPI_H
 
+#include <acpi/acpi.h>
+#include <amdblocks/acpi.h>
+#include <device/device.h>
+#include <stdint.h>
+
 #define ACPI_SCI_IRQ 9
 
 /* RTC Registers */
@@ -10,4 +15,7 @@
 #define RTC_ALT_CENTURY		0x32
 #define RTC_CENTURY		0x48
 
+uintptr_t agesa_write_acpi_tables(const struct device *device, uintptr_t current,
+				  acpi_rsdp_t *rsdp);
+
 #endif /* AMD_CEZANNE_ACPI_H */