diff options
Diffstat (limited to 'source/hal/platform/mps3/source/device_mps3.c')
-rw-r--r-- | source/hal/platform/mps3/source/device_mps3.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/source/hal/platform/mps3/source/device_mps3.c b/source/hal/platform/mps3/source/device_mps3.c new file mode 100644 index 0000000..fa57c2e --- /dev/null +++ b/source/hal/platform/mps3/source/device_mps3.c @@ -0,0 +1,43 @@ +/* + * 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. + */ +#include "device_mps3.h" + +#include "log_macros.h" +#include "smm_mps3.h" + +#include <inttypes.h> + +extern uint32_t GetSystemCoreClock(void); + +uint32_t GetMPS3CoreClock(void) +{ + const uint32_t default_clock = GetSystemCoreClock(); + static int warned_once = 0; + if (0 != MPS3_SCC->CFG_ACLK) { + if (default_clock != MPS3_SCC->CFG_ACLK) { + warn("System clock is different to the MPS3 config set clock.\n"); + } + return MPS3_SCC->CFG_ACLK; + } + + if (!warned_once) { + warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %" PRIu32 "\n", + default_clock); + warned_once = 1; + } + return default_clock; +} |