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| author | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2022-10-18 11:34:23 +0200 |
|---|---|---|
| committer | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2022-10-18 11:56:26 +0200 |
| commit | 01c32d4768d8176a32c193f44069da1f43fbf513 (patch) | |
| tree | 881b81e57e5370190da098226c17e182e7b85bd4 | |
| parent | 5f2200d06aa096fd707d87ff5bdf0d01c44009c7 (diff) | |
| download | ethos-u-core-platform-01c32d4768d8176a32c193f44069da1f43fbf513.tar.gz | |
Configure write-through caching for Corstone-310 BRAM
Change-Id: I5e0fc2ecbbf416ca07be6b9d65e989c1c116b219
| -rw-r--r-- | drivers/mpu/include/mpu.hpp | 4 | ||||
| -rw-r--r-- | drivers/mpu/src/mpu.cpp | 3 | ||||
| -rw-r--r-- | targets/corstone-310/target.cpp | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/mpu/include/mpu.hpp b/drivers/mpu/include/mpu.hpp index dff73b6..9f85788 100644 --- a/drivers/mpu/include/mpu.hpp +++ b/drivers/mpu/include/mpu.hpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020-2021 Arm Limited. All rights reserved. + * SPDX-FileCopyrightText: Copyright 2020-2022 Arm Limited and/or its affiliates <open-source-office@arm.com> * * SPDX-License-Identifier: Apache-2.0 * @@ -29,7 +29,7 @@ namespace EthosU { namespace Mpu { -enum { WTRA_index, WBWARA_index }; +enum { WTRA_index, WBWARA_index, WTWARA_index }; /** * Dump the MPU tables. diff --git a/drivers/mpu/src/mpu.cpp b/drivers/mpu/src/mpu.cpp index 8e6a9e2..bd5c6cd 100644 --- a/drivers/mpu/src/mpu.cpp +++ b/drivers/mpu/src/mpu.cpp @@ -58,9 +58,12 @@ static void initializeAttributes() { const uint8_t WTRA = ARM_MPU_ATTR_MEMORY_(1, 0, 1, 0); // Non-transient, Write-Through, Read-allocate, Not Write-allocate const uint8_t WBWARA = ARM_MPU_ATTR_MEMORY_(1, 1, 1, 1); // Non-transient, Write-Back, Read-allocate, Write-allocate + const uint8_t WTWARA = + ARM_MPU_ATTR_MEMORY_(1, 0, 1, 1); // Non-transient, Write-Through, Read-allocate, Write-allocate ARM_MPU_SetMemAttr(WTRA_index, ARM_MPU_ATTR(WTRA, WTRA)); ARM_MPU_SetMemAttr(WBWARA_index, ARM_MPU_ATTR(WBWARA, WBWARA)); + ARM_MPU_SetMemAttr(WTWARA_index, ARM_MPU_ATTR(WTWARA, WTWARA)); } #endif diff --git a/targets/corstone-310/target.cpp b/targets/corstone-310/target.cpp index 3b2820f..a91bc67 100644 --- a/targets/corstone-310/target.cpp +++ b/targets/corstone-310/target.cpp @@ -389,7 +389,7 @@ void targetSetup() { 1, // Non-Privileged 0), // eXecute Never disabled ARM_MPU_RLAR(0x213fffff, // Limit - Mpu::WBWARA_index) // Attribute index - Write-Back, Write-Allocate, Read-allocate + Mpu::WTWARA_index) // Attribute index - Write-Through, Write-Allocate, Read-allocate }, { // SSE-300 internal SRAM (S) @@ -399,7 +399,7 @@ void targetSetup() { 1, // Non-Privileged 0), // eXecute Never disabled ARM_MPU_RLAR(0x313fffff, // Limit - Mpu::WBWARA_index) // Attribute index - Write-Back, Write-Allocate, Read-allocate + Mpu::WTWARA_index) // Attribute index - Write-Through, Write-Allocate, Read-allocate }, { // DDR (NS) |