From 7e8d8cdea29753d4ac948fafec97d4951323f16c Mon Sep 17 00:00:00 2001
From: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Date: Thu, 26 Dec 2024 21:20:39 +0800
Subject: [PATCH] mb/google/rauru: Initialize SPM

Initialize SPM (System Power Management) in RAM stage.
This adds 3ms to the boot time.

coreboot log:
CBFS: Found 'spm_firmware.bin' @0xadf00 size 0x5a60 in mcache @0xfffdd3c
mtk_init_mcu: Loaded (and reset) spm_firmware.bin in 3 msecs (30080 byt)

TEST=Build pass.
BUG=b:317009620

Change-Id: Idfa08a8aa44838e84bc69e2b717254a281796bf0
Signed-off-by: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85777
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
---
 src/mainboard/google/rauru/mainboard.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mainboard/google/rauru/mainboard.c b/src/mainboard/google/rauru/mainboard.c
index c1a434777b..a49caf621b 100644
--- a/src/mainboard/google/rauru/mainboard.c
+++ b/src/mainboard/google/rauru/mainboard.c
@@ -11,6 +11,7 @@
 #include <soc/i2c.h>
 #include <soc/msdc.h>
 #include <soc/pcie.h>
+#include <soc/spm_common.h>
 #include <soc/usb.h>
 
 #include "gpio.h"
@@ -62,6 +63,9 @@ static void mainboard_init(struct device *dev)
 	if (dpm_init())
 		printk(BIOS_ERR, "dpm init failed, DVFS may not work\n");
 
+	if (spm_init())
+		printk(BIOS_ERR, "spm init failed, Suspend may not work\n");
+
 	if (CONFIG(ARM64_USE_ARM_TRUSTED_FIRMWARE))
 		register_reset_to_bl31(GPIO_AP_EC_WARM_RST_REQ.id, true);
 }