[coreboot-gerrit] Change in coreboot[master]: trogdor: report hardware watchdog reset after reboot

[Ravi kumar (Code Review)]

Ravi kumar has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45070 )

Change subject: trogdor: report hardware watchdog reset after reboot
......................................................................

trogdor: report hardware watchdog reset after reboot

Change-Id: I57ece39ff3d49f2bab259cbd92ab039a49323119
Signed-off-by: Ravi Kumar Bokka

Change-Id: I3d03d775634e4f50f83b0e8e16b106b1183ec46b
---
M src/soc/qualcomm/sc7180/soc.c
1 file changed, 13 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/70/45070/1

diff --git a/src/soc/qualcomm/sc7180/soc.c b/src/soc/qualcomm/sc7180/soc.c
index 74f0868..b529bf6 100644
--- a/src/soc/qualcomm/sc7180/soc.c
+++ b/src/soc/qualcomm/sc7180/soc.c
@@ -6,6 +6,11 @@
 #include <soc/mmu_common.h>
 #include <soc/symbols.h>
 #include <soc/aop.h>
+#include <elog.h>
+#include <console/console.h>
+
+#define AOSS_CC_RESET_STATUS 0x0C2F0020
+#define WDOG_RESET_BIT_MASK 0x1

static void soc_read_resources(struct device *dev)
 {
@@ -19,6 +24,14 @@

static void soc_init(struct device *dev)
 {
+	volatile unsigned int aoss = *(unsigned int *)AOSS_CC_RESET_STATUS;
+
+	printk(BIOS_INFO, "\nSOC: AOSS_CC_RESET_STATUS : %x\n", aoss & WDOG_RESET_BIT_MASK);
+	printk(BIOS_INFO, "AOSS_CC_RESET_STATUS[%x]..[%x]\n", AOSS_CC_RESET_STATUS, aoss);
+
+	if(aoss & WDOG_RESET_BIT_MASK)
+		elog_add_event(ELOG_TYPE_ASYNC_HW_TIMER_EXPIRED);
+
    aop_fw_load_reset();
 }