[coreboot-gerrit] Change in coreboot[master]: soc/intel/tigerlake: Print the value of HPR_CAUSE0 register

[Derek Huang (Code Review)]

Derek Huang has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40648 )

Change subject: soc/intel/tigerlake: Print the value of HPR_CAUSE0 register
......................................................................

soc/intel/tigerlake: Print the value of HPR_CAUSE0 register

In addition to GBLRST_CAUSE0 and GBLRST_CAUSE1, print the value of
HPR_CAUSE0 to understand the causes of host reset

Change-Id: Idc57c3cd6a8d156c5544640898e8e7147d34c535
Signed-off-by: derek.huang 
---
M src/soc/intel/tigerlake/include/soc/pm.h
M src/soc/intel/tigerlake/include/soc/pmc.h
M src/soc/intel/tigerlake/pmutil.c
3 files changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/40648/1

diff --git a/src/soc/intel/tigerlake/include/soc/pm.h b/src/soc/intel/tigerlake/include/soc/pm.h
index 3004b4a..2a93149 100644
--- a/src/soc/intel/tigerlake/include/soc/pm.h
+++ b/src/soc/intel/tigerlake/include/soc/pm.h
@@ -150,6 +150,7 @@
    uint32_t gen_pmcon_a;
    uint32_t gen_pmcon_b;
    uint32_t gblrst_cause[2];
+	uint32_t hpr_cause0;
    uint32_t prev_sleep_state;
 } __packed;

diff --git a/src/soc/intel/tigerlake/include/soc/pmc.h b/src/soc/intel/tigerlake/include/soc/pmc.h
index 88c6f61..4faba8f 100644
--- a/src/soc/intel/tigerlake/include/soc/pmc.h
+++ b/src/soc/intel/tigerlake/include/soc/pmc.h
@@ -119,6 +119,7 @@
 #define GBLRST_CAUSE0			0x1924
 #define   GBLRST_CAUSE0_THERMTRIP	(1 << 5)
 #define GBLRST_CAUSE1			0x1928
+#define HPR_CAUSE0			0x192C

#define CPPMVRIC			0x1B1C
 #define   XTALSDQDIS			(1 << 22)
diff --git a/src/soc/intel/tigerlake/pmutil.c b/src/soc/intel/tigerlake/pmutil.c
index 4482b1e..554932b 100644
--- a/src/soc/intel/tigerlake/pmutil.c
+++ b/src/soc/intel/tigerlake/pmutil.c
@@ -260,12 +260,15 @@
    ps->gen_pmcon_b = read32(pmc + GEN_PMCON_B);
    ps->gblrst_cause[0] = read32(pmc + GBLRST_CAUSE0);
    ps->gblrst_cause[1] = read32(pmc + GBLRST_CAUSE1);
+	ps->hpr_cause0 = read32(pmc + HPR_CAUSE0);

printk(BIOS_DEBUG, "GEN_PMCON: %08x %08x\n",
    	ps->gen_pmcon_a, ps->gen_pmcon_b);

printk(BIOS_DEBUG, "GBLRST_CAUSE: %08x %08x\n",
    	ps->gblrst_cause[0], ps->gblrst_cause[1]);
+
+	printk(BIOS_DEBUG, "HPR_CAUSE0: %08x\n", ps->hpr_cause0);
 }

/* STM Support */