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Diffstat (limited to 'src/soc/intel/apollolake/heci.c')
-rw-r--r--src/soc/intel/apollolake/heci.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/heci.c b/src/soc/intel/apollolake/heci.c
new file mode 100644
index 0000000000..52dcca8de2
--- /dev/null
+++ b/src/soc/intel/apollolake/heci.c
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+#include <soc/heci.h>
+#include <soc/pci_devs.h>
+
+uint32_t heci_fw_sts(void)
+{
+ return pci_read_config32(PCH_DEV_CSE, REG_SEC_FW_STS0);
+}
+
+bool heci_cse_normal(void)
+{
+ return ((heci_fw_sts() & MASK_SEC_STATUS) == SEC_STATE_NORMAL);
+}
+
+bool heci_cse_done(void)
+{
+ return (!!(heci_fw_sts() & MASK_SEC_FIRMWARE_COMPLETE));
+}