Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/include/drivers/arm/ethosn.h b/include/drivers/arm/ethosn.h
new file mode 100644
index 0000000..51ce65d
--- /dev/null
+++ b/include/drivers/arm/ethosn.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef ETHOSN_H
+#define ETHOSN_H
+
+#include <lib/smccc.h>
+
+/* Function numbers */
+#define ETHOSN_FNUM_VERSION		U(0x50)
+#define ETHOSN_FNUM_IS_SEC		U(0x51)
+#define ETHOSN_FNUM_HARD_RESET		U(0x52)
+#define ETHOSN_FNUM_SOFT_RESET		U(0x53)
+#define ETHOSN_FNUM_IS_SLEEPING		U(0x54)
+#define ETHOSN_FNUM_GET_FW_PROP		U(0x55)
+#define ETHOSN_FNUM_BOOT_FW		U(0x56)
+/* 0x57-0x5F reserved for future use */
+
+/* Properties for ETHOSN_FNUM_TZMP_GET_FW_PROP */
+#define ETHOSN_FW_PROP_VERSION		U(0xF00)
+#define ETHOSN_FW_PROP_MEM_INFO		U(0xF01)
+#define ETHOSN_FW_PROP_OFFSETS		U(0xF02)
+#define ETHOSN_FW_PROP_VA_MAP		U(0xF03)
+
+/* SMC64 function IDs */
+#define ETHOSN_FID_64(func_num)		U(0xC2000000 | func_num)
+#define ETHOSN_FID_VERSION_64		ETHOSN_FID_64(ETHOSN_FNUM_VERSION)
+#define ETHOSN_FID_IS_SEC_64		ETHOSN_FID_64(ETHOSN_FNUM_IS_SEC)
+#define ETHOSN_FID_HARD_RESET_64	ETHOSN_FID_64(ETHOSN_FNUM_HARD_RESET)
+#define ETHOSN_FID_SOFT_RESET_64	ETHOSN_FID_64(ETHOSN_FNUM_SOFT_RESET)
+
+/* SMC32 function IDs */
+#define ETHOSN_FID_32(func_num)		U(0x82000000 | func_num)
+#define ETHOSN_FID_VERSION_32		ETHOSN_FID_32(ETHOSN_FNUM_VERSION)
+#define ETHOSN_FID_IS_SEC_32		ETHOSN_FID_32(ETHOSN_FNUM_IS_SEC)
+#define ETHOSN_FID_HARD_RESET_32	ETHOSN_FID_32(ETHOSN_FNUM_HARD_RESET)
+#define ETHOSN_FID_SOFT_RESET_32	ETHOSN_FID_32(ETHOSN_FNUM_SOFT_RESET)
+
+#define ETHOSN_NUM_SMC_CALLS	8
+
+/* Macro to identify function calls */
+#define ETHOSN_FID_MASK		U(0xFFF0)
+#define ETHOSN_FID_VALUE	U(0x50)
+#define is_ethosn_fid(_fid) (((_fid) & ETHOSN_FID_MASK) == ETHOSN_FID_VALUE)
+
+/* Service version  */
+#define ETHOSN_VERSION_MAJOR U(4)
+#define ETHOSN_VERSION_MINOR U(0)
+
+/* Return codes for function calls */
+#define ETHOSN_SUCCESS			 0
+#define ETHOSN_NOT_SUPPORTED		-1
+/* -2 Reserved for NOT_REQUIRED */
+#define ETHOSN_INVALID_PARAMETER	-3
+#define ETHOSN_FAILURE			-4
+#define ETHOSN_UNKNOWN_CORE_ADDRESS	-5
+#define ETHOSN_UNKNOWN_ALLOCATOR_IDX	-6
+#define ETHOSN_INVALID_CONFIGURATION    -7
+#define ETHOSN_INVALID_STATE		-8
+
+/*
+ * Argument types for soft and hard resets to indicate whether to reset
+ * and reconfigure the NPU or only halt it
+ */
+#define ETHOSN_RESET_TYPE_FULL		U(0)
+#define ETHOSN_RESET_TYPE_HALT		U(1)
+
+int ethosn_smc_setup(void);
+
+uintptr_t ethosn_smc_handler(uint32_t smc_fid,
+			     u_register_t core_addr,
+			     u_register_t asset_alloc_idx,
+			     u_register_t reset_type,
+			     u_register_t x4,
+			     void *cookie,
+			     void *handle,
+			     u_register_t flags);
+
+#endif  /* ETHOSN_H */