From ee4920b338f7d1e690377093bcfaaf0ba203bff0 Mon Sep 17 00:00:00 2001 From: Isabella Gottardi Date: Fri, 25 Feb 2022 14:29:32 +0000 Subject: MLECO-2976: Configurable Ethos-U cache size for Dedicated_Sram MLECO-2949: Platform drivers should own NPU and TA init Change-Id: I13606a0197f137816bae803eb9d7d46c358b5fb8 Signed-off-by: Isabella Gottardi --- .../hal/platform/mps3/include/ethosu_mem_config.h | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 source/hal/platform/mps3/include/ethosu_mem_config.h (limited to 'source/hal/platform/mps3/include/ethosu_mem_config.h') diff --git a/source/hal/platform/mps3/include/ethosu_mem_config.h b/source/hal/platform/mps3/include/ethosu_mem_config.h new file mode 100644 index 0000000..aa0cfda --- /dev/null +++ b/source/hal/platform/mps3/include/ethosu_mem_config.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2022 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ETHOS_U_NPU_MEM_CONFIG_H +#define ETHOS_U_NPU_MEM_CONFIG_H + +#define ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY 0 +#define ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM 1 +#define ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM 2 + +#define ETHOS_U_MEM_BYTE_ALIGNMENT 16 + +#ifndef ETHOS_U_NPU_MEMORY_MODE + #define ETHOS_U_NPU_MEMORY_MODE ETHOS_U_MEMORY_MODE_SHARED_SRAM +#endif /* ETHOS_U_NPU_MEMORY_MODE */ + +#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM) + #ifndef ETHOS_U_NPU_CACHE_SIZE + #define ETHOS_U_CACHE_BUF_SZ (393216U) /* See vela doc for reference */ + #else + #define ETHOS_U_CACHE_BUF_SZ ETHOS_U_NPU_CACHE_SIZE + #endif /* ETHOS_U_NPU_CACHE_SIZE */ +#else + #define ETHOS_U_CACHE_BUF_SZ (0U) +#endif /* CACHE_BUF_SZ */ + +/** + * Activation buffer aka tensor arena section name + * We have to place the tensor arena in different region based on the memory config. + **/ +#if (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SHARED_SRAM) + #define ACTIVATION_BUF_SECTION section(".bss.NoInit.activation_buf_sram") + #define ACTIVATION_BUF_SECTION_NAME ("SRAM") +#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_SRAM_ONLY) + #define ACTIVATION_BUF_SECTION section(".bss.NoInit.activation_buf_sram") + #define ACTIVATION_BUF_SECTION_NAME ("SRAM") +#elif (ETHOS_U_NPU_MEMORY_MODE==ETHOS_U_NPU_MEMORY_MODE_DEDICATED_SRAM) + #define ACTIVATION_BUF_SECTION section("activation_buf_dram") + #define CACHE_BUF_SECTION section(".bss.NoInit.ethos_u_cache") + #define ACTIVATION_BUF_SECTION_NAME ("DDR/DRAM") + #define CACHE_BUF_ATTRIBUTE __attribute__((aligned(ETHOS_U_MEM_BYTE_ALIGNMENT), CACHE_BUF_SECTION)) +#endif + +#endif /* ETHOS_U_NPU_MEM_CONFIG_H */ -- cgit v1.2.1