Patrick Georgi submitted this change.
soc/intel/tigerlake: Print HPR_CAUSE0 register
In addition to GBLRST_CAUSE0 and GBLRST_CAUSE1, print the value
of HPR_CAUSE0.
Change-Id: Idc57c3cd6a8d156c5544640898e8e7147d34c535
Signed-off-by: derek.huang <derek.huang@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40648
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
---
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, 8 insertions(+), 0 deletions(-)
diff --git a/src/soc/intel/tigerlake/include/soc/pm.h b/src/soc/intel/tigerlake/include/soc/pm.h
index c42e280..c69fe3e 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..9ad3391 100644
--- a/src/soc/intel/tigerlake/include/soc/pmc.h
+++ b/src/soc/intel/tigerlake/include/soc/pmc.h
@@ -119,6 +119,10 @@
#define GBLRST_CAUSE0 0x1924
#define GBLRST_CAUSE0_THERMTRIP (1 << 5)
#define GBLRST_CAUSE1 0x1928
+#define HPR_CAUSE0 0x192C
+#define HPR_CAUSE0_MI_HRPD (1 << 10)
+#define HPR_CAUSE0_MI_HRPC (1 << 9)
+#define HPR_CAUSE0_MI_HR (1 << 8)
#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 */
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