mirror of https://github.com/ARMmbed/mbed-os.git
89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* mbed Microcontroller Library
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* Copyright (c) 2019, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "device.h"
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#include "cycfg.h"
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#include "cyhal_hwmgr.h"
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#include "cybsp.h"
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#include "cy_mbed_post_init.h"
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#include "mbed_error.h"
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#if MBED_CONF_RTOS_PRESENT
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#include "rtos_idle.h"
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#endif // MBED_CONF_RTOS_PRESENT
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#include "us_ticker_api.h"
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#if defined(CY_ENABLE_XIP_PROGRAM)
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#include "cycfg_qspi_memslot.h"
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#endif /*defined(CY_ENABLE_XIP_PROGRAM)*/
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#if defined(MBED_CONF_TARGET_XIP_ENABLE)
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#include "cy_serial_flash_qspi.h"
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#endif /* defined(MBED_CONF_TARGET_XIP_ENABLE) */
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MBED_WEAK void cy_mbed_post_bsp_init_hook(void)
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{
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/* By default, do nothing */
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}
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/*******************************************************************************
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* Function Name: mbed_sdk_init
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****************************************************************************//**
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*
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* Mbed's post-memory-initialization function.
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* Used here to initialize common parts of the Cypress libraries.
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*
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*******************************************************************************/
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void mbed_sdk_init(void)
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{
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#if CY_CPU_CORTEX_M0P
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/* Disable global interrupts */
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__disable_irq();
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#endif
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/* Initialize system and clocks. */
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/* Placed here as it must be done after proper LIBC initialization. */
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SystemInit();
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/* Set up the device based on configurator selections */
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if (CY_RSLT_SUCCESS != cybsp_init()) {
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MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER, MBED_ERROR_CODE_FAILED_OPERATION), "cybsp_init");
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}
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cy_mbed_post_bsp_init_hook();
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#if CY_CPU_CORTEX_M0P
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/* Enable global interrupts */
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__enable_irq();
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#else
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/*
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* Init the us Ticker here to avoid imposing on the limited stack space of the idle thread.
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* This also allows the first call to sleep to occur faster.
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*/
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us_ticker_init();
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#if MBED_CONF_TARGET_XIP_ENABLE
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/* The linker script allows storing data in external memory, if needed, enable access to that memory. */
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const uint32_t bus_frequency = 50000000lu;
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cy_serial_flash_qspi_init(smifMemConfigs[0], CYBSP_QSPI_D0, CYBSP_QSPI_D1, CYBSP_QSPI_D2, CYBSP_QSPI_D3, NC, NC, NC, NC, CYBSP_QSPI_SCK, CYBSP_QSPI_SS, bus_frequency);
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cy_serial_flash_qspi_enable_xip(true);
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#endif
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/* Enable global interrupts (disabled in CM4 startup assembly) */
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__enable_irq();
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#endif
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}
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