[coreboot-gerrit] Change in coreboot[master]: mb/ocp/deltalake: Add VPD variable for FRB2 timer action

[Johnny Lin (Code Review)]

Johnny Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/44019 )

Change subject: mb/ocp/deltalake: Add VPD variable for FRB2 timer action
......................................................................

mb/ocp/deltalake: Add VPD variable for FRB2 timer action

Tested on OCP Delta Lake, the timer action can be set correctly.

Change-Id: I1013169e12455e01214d089c9398c78143af4df8
Signed-off-by: Johnny Lin 
---
M src/mainboard/ocp/deltalake/ipmi.c
M src/mainboard/ocp/deltalake/vpd.h
2 files changed, 16 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/19/44019/1

diff --git a/src/mainboard/ocp/deltalake/ipmi.c b/src/mainboard/ocp/deltalake/ipmi.c
index 790038f..415b26d 100644
--- a/src/mainboard/ocp/deltalake/ipmi.c
+++ b/src/mainboard/ocp/deltalake/ipmi.c
@@ -101,7 +101,7 @@
 void init_frb2_wdt(void)
 {
    char val[VPD_LEN];
-	u8 enable;
+	uint8_t enable, action;
    uint16_t countdown;

if (vpd_get_bool(FRB2_TIMER, VPD_RW_THEN_RO, &enable)) {
@@ -122,8 +122,16 @@
    			FRB2_COUNTDOWN_DEFAULT * 100);
    		countdown = FRB2_COUNTDOWN_DEFAULT;
    	}
-		ipmi_init_and_start_bmc_wdt(CONFIG_BMC_KCS_BASE, countdown,
-			TIMEOUT_HARD_RESET);
+
+		if (vpd_gets(FRB2_ACTION, val, VPD_LEN, VPD_RW_THEN_RO)) {
+			action = (uint8_t)atol(val);
+			printk(BIOS_DEBUG, "FRB2 timer action set to: %d\n", action);
+		} else {
+			printk(BIOS_DEBUG, "FRB2 timer action use default value: %d\n",
+				FRB2_ACTION_DEFAULT);
+			action = FRB2_ACTION_DEFAULT;
+		}
+		ipmi_init_and_start_bmc_wdt(CONFIG_BMC_KCS_BASE, countdown, action);
    } else {
    	printk(BIOS_DEBUG, "Disable FRB2 timer\n");
    	ipmi_stop_bmc_wdt(CONFIG_BMC_KCS_BASE);
diff --git a/src/mainboard/ocp/deltalake/vpd.h b/src/mainboard/ocp/deltalake/vpd.h
index 5466ef7..39efd73 100644
--- a/src/mainboard/ocp/deltalake/vpd.h
+++ b/src/mainboard/ocp/deltalake/vpd.h
@@ -15,6 +15,11 @@
 /* Default countdown is 15 minutes when the VPD variable is not found */
 #define FRB2_COUNTDOWN_DEFAULT 9000

+/* VPD variable for setting FRB2 timer action.
+   0: No action, 1: hard reset, 2: power down, 3: power cycle */
+#define FRB2_ACTION "frb2_action"
+#define FRB2_ACTION_DEFAULT 0 /* Default no action when the VPD variable is not found */
+
 /* Define the VPD keys for UPD variables that can be overwritten */
 #define FSP_LOG "fsp_log_enable" /* 1 or 0: enable or disable FSP SOL log */
 #define FSP_LOG_DEFAULT 1 /* Default value when the VPD variable is not found */