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author | Isabella Gottardi <isabella.gottardi@arm.com> | 2021-09-16 17:54:35 +0100 |
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committer | Isabella Gottardi <isabella.gottardi@arm.com> | 2021-10-05 14:00:47 +0000 |
commit | 118f73e0396fe66ee5cc3c0daec0882c7160a7cb (patch) | |
tree | fa604ebef4a221844c294b76598c259a12feb61d /source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h | |
parent | 5c0ce54aaf276a13ac30902e8181faa662289b33 (diff) | |
download | ml-embedded-evaluation-kit-118f73e0396fe66ee5cc3c0daec0882c7160a7cb.tar.gz |
MLECO-2395: Allow users to select Ethos-U memory mode
Change-Id: Icf09410f12072e8d7850dd1e540c3243af24ed09
Diffstat (limited to 'source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h')
-rw-r--r-- | source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h b/source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h new file mode 100644 index 0000000..b393a03 --- /dev/null +++ b/source/application/hal/platforms/bare-metal/bsp/include/ethosu_mem_config.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2021 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) + #define ETHOS_U_CACHE_BUF_SZ (393216U) /* See vela doc? for reference? */ +#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 */
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