Change in coreboot[master]: WIP amd/stoneyridge: Add placeholder for SlpTyp handler in SMI

[Marshall Dawson (Code Review)]

Marshall Dawson has uploaded this change for review. ( https://review.coreboot.org/21751

Change subject: WIP amd/stoneyridge: Add placeholder for SlpTyp handler in SMI
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WIP amd/stoneyridge: Add placeholder for SlpTyp handler in SMI

The S3 suspend flow involves trapping on a SlpTyp request, writing
resume data to flash, then notifying the PSP of the S3 request.

Change-Id: I88d413cdbfc2daf44e8d1142c6532f7034795ead
Signed-off-by: Marshall Dawson 
---
M src/soc/amd/stoneyridge/smihandler.c
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/51/21751/1

diff --git a/src/soc/amd/stoneyridge/smihandler.c b/src/soc/amd/stoneyridge/smihandler.c
index 8551631..2c2bac9 100644
--- a/src/soc/amd/stoneyridge/smihandler.c
+++ b/src/soc/amd/stoneyridge/smihandler.c
@@ -41,6 +41,11 @@
    mainboard_smi_apmc(cmd);
 }

+static void sb_slp_typ_handler(void)
+{
+	/* TODO: Insert S3 pre here */
+}
+
 int southbridge_io_trap_handler(int smif)
 {
    return 0;
@@ -52,6 +57,7 @@
  */
 struct smi_sources_t smi_sources[] = {
    	{SMITYPE_SMI_CMD_PORT, sb_apmc_smi_handler},
+		{SMITYPE_SLP_TYP, sb_slp_typ_handler},
 };

static void process_smi_sci(void)