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-rw-r--r--src/soc/intel/common/block/include/intelblocks/pcr.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/pcr.h b/src/soc/intel/common/block/include/intelblocks/pcr.h
new file mode 100644
index 0000000000..cfe0015f70
--- /dev/null
+++ b/src/soc/intel/common/block/include/intelblocks/pcr.h
@@ -0,0 +1,45 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOC_INTEL_COMMON_BLOCK_PCR_H
+#define SOC_INTEL_COMMON_BLOCK_PCR_H
+
+/* Port Id lives in bits 23:16 and register offset lives in 15:0 of address. */
+#define PCR_PORTID_SHIFT 16
+
+#if !defined(__ACPI__)
+#include <stdint.h>
+
+uint32_t pcr_read32(uint8_t pid, uint16_t offset);
+uint16_t pcr_read16(uint8_t pid, uint16_t offset);
+uint8_t pcr_read8(uint8_t pid, uint16_t offset);
+void pcr_write32(uint8_t pid, uint16_t offset, uint32_t indata);
+void pcr_write16(uint8_t pid, uint16_t offset, uint16_t indata);
+void pcr_write8(uint8_t pid, uint16_t offset, uint8_t indata);
+void pcr_rmw32(uint8_t pid, uint16_t offset, uint32_t anddata,
+ uint32_t ordata);
+void pcr_rmw16(uint8_t pid, uint16_t offset, uint16_t anddata,
+ uint16_t ordata);
+void pcr_rmw8(uint8_t pid, uint16_t offset, uint8_t anddata,
+ uint8_t ordata);
+void pcr_or32(uint8_t pid, uint16_t offset, uint32_t ordata);
+void pcr_or16(uint8_t pid, uint16_t offset, uint16_t ordata);
+void pcr_or8(uint8_t pid, uint16_t offset, uint8_t ordata);
+
+/* Get the starting address of the port's registers. */
+void *pcr_reg_address(uint8_t pid, uint16_t offset);
+#endif /* if !defined(__ACPI__) */
+
+#endif /* SOC_INTEL_COMMON_BLOCK_PCR_H */