Change in coreboot[master]: mb/google/cherry: Initialize SPM

[Hung-Te Lin (Code Review)]

Hung-Te Lin has submitted this change. ( https://review.coreboot.org/c/coreboot/+/55154 )

Change subject: mb/google/cherry: Initialize SPM
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mb/google/cherry: Initialize SPM

This patch adds support for SPM. This adds 43ms to the boot time.

TEST=program counter of SPM is correct value after booting up.

Signed-off-by: Dawei Chien 
Signed-off-by: Edward-JW Yang 
Signed-off-by: Rex-BC Chen 
Change-Id: I5f17f6d51fc9ad2d23c71c3c5cd29fdc777dc071
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55154
Reviewed-by: Yu-Ping Wu 
Reviewed-by: Rex-BC Chen 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/cherry/mainboard.c
1 file changed, 4 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved
  Rex-BC Chen: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/cherry/mainboard.c b/src/mainboard/google/cherry/mainboard.c
index 2607a2d..04f4293 100644
--- a/src/mainboard/google/cherry/mainboard.c
+++ b/src/mainboard/google/cherry/mainboard.c
@@ -11,6 +11,7 @@
 #include <soc/i2c.h>
 #include <soc/mt6360.h>
 #include <soc/regulator.h>
+#include <soc/spm.h>
 #include <soc/usb.h>

#include "gpio.h"
@@ -124,6 +125,9 @@
    configure_sdcard();
    setup_usb_host();

+	if (spm_init())
+		printk(BIOS_ERR, "spm init failed, system suspend may not work\n");
+
    register_reset_to_bl31();
 }