From 2787237dd52550b5d7e1dc3dabcf380126ff804c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= <kyosti.malkki@gmail.com>
Date: Thu, 21 Jan 2021 16:05:26 +0200
Subject: ACPI: Add helpers for CBMEM_ID_POWER_STATE
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Create uniform logging for the (unlikely) case of a CBMEM
entry disappearing.

Change-Id: I7c5414a03d869423c8ae5192a990fde5f9582f2d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49817
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
---
 src/soc/intel/broadwell/pch/elog.c | 9 +++------
 src/soc/intel/broadwell/ramstage.c | 4 ++--
 2 files changed, 5 insertions(+), 8 deletions(-)

(limited to 'src/soc/intel/broadwell')

diff --git a/src/soc/intel/broadwell/pch/elog.c b/src/soc/intel/broadwell/pch/elog.c
index 1d4d773fcd..3f625560dc 100644
--- a/src/soc/intel/broadwell/pch/elog.c
+++ b/src/soc/intel/broadwell/pch/elog.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <acpi/acpi_pm.h>
 #include <bootstate.h>
-#include <cbmem.h>
 #include <console/console.h>
 #include <stdint.h>
 #include <elog.h>
@@ -106,13 +106,10 @@ static void pch_log_power_and_resets(const struct chipset_power_state *ps)
 
 static void pch_log_state(void *unused)
 {
-	struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+	const struct chipset_power_state *ps;
 
-	if (ps == NULL) {
-		printk(BIOS_ERR, "Not logging power state information. "
-		       "Power state not found in cbmem.\n");
+	if (acpi_pm_state_for_elog(&ps) < 0)
 		return;
-	}
 
 	/* Power and Reset */
 	pch_log_power_and_resets(ps);
diff --git a/src/soc/intel/broadwell/ramstage.c b/src/soc/intel/broadwell/ramstage.c
index 418e469828..93bc01dda0 100644
--- a/src/soc/intel/broadwell/ramstage.c
+++ b/src/soc/intel/broadwell/ramstage.c
@@ -2,7 +2,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acpi_gnvs.h>
-#include <cbmem.h>
+#include <acpi/acpi_pm.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <string.h>
@@ -14,7 +14,7 @@
 /* Save bit index for PM1_STS and GPE_STS for ACPI _SWS */
 static void save_acpi_wake_source(void)
 {
-	struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
+	struct chipset_power_state *ps = acpi_get_pm_state();
 	struct global_nvs *gnvs = acpi_get_gnvs();
 	uint16_t pm1;
 	int gpe_reg;
-- 
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