mirror of https://github.com/ARMmbed/mbed-os.git
132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/***************************************************************************//**
|
|
* \file cybsp.c
|
|
*
|
|
* Description:
|
|
* Provides initialization code for starting up the hardware contained on the
|
|
* Cypress board.
|
|
*
|
|
********************************************************************************
|
|
* \copyright
|
|
* Copyright 2018-2020 Cypress Semiconductor Corporation
|
|
* 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 <stdlib.h>
|
|
#include "cy_syspm.h"
|
|
#include "cy_sysclk.h"
|
|
#include "cybsp.h"
|
|
#if defined(CY_USING_HAL)
|
|
#include "cyhal_hwmgr.h"
|
|
#include "cyhal_syspm.h"
|
|
#endif
|
|
|
|
#if !defined (CY_CFG_PWR_SYS_IDLE_MODE) && defined(__MBED__)
|
|
#include "mbed_power_mgmt.h"
|
|
#endif
|
|
|
|
#if defined(__cplusplus)
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* The sysclk deep sleep callback is recommended to be the last callback that
|
|
* is executed before entry into deep sleep mode and the first one upon
|
|
* exit the deep sleep mode.
|
|
* Doing so minimizes the time spent on low power mode entry and exit.
|
|
*/
|
|
#ifndef CYBSP_SYSCLK_PM_CALLBACK_ORDER
|
|
#define CYBSP_SYSCLK_PM_CALLBACK_ORDER (255u)
|
|
#endif
|
|
|
|
#if defined(CYBSP_WIFI_CAPABLE) && defined(CY_USING_HAL)
|
|
static cyhal_sdio_t sdio_obj;
|
|
|
|
cyhal_sdio_t* cybsp_get_wifi_sdio_obj(void)
|
|
{
|
|
return &sdio_obj;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* Registers a power management callback that prepares the clock system
|
|
* for entering deep sleep mode and restore the clocks upon wakeup from deep sleep.
|
|
* NOTE: This is called automatically as part of \ref cybsp_init
|
|
*/
|
|
static cy_rslt_t cybsp_register_sysclk_pm_callback(void)
|
|
{
|
|
cy_rslt_t result = CY_RSLT_SUCCESS;
|
|
static cy_stc_syspm_callback_params_t cybsp_sysclk_pm_callback_param = {NULL, NULL};
|
|
static cy_stc_syspm_callback_t cybsp_sysclk_pm_callback = {
|
|
.callback = &Cy_SysClk_DeepSleepCallback,
|
|
.type = CY_SYSPM_DEEPSLEEP,
|
|
.callbackParams = &cybsp_sysclk_pm_callback_param,
|
|
.order = CYBSP_SYSCLK_PM_CALLBACK_ORDER
|
|
};
|
|
|
|
if (!Cy_SysPm_RegisterCallback(&cybsp_sysclk_pm_callback))
|
|
{
|
|
result = CYBSP_RSLT_ERR_SYSCLK_PM_CALLBACK;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
cy_rslt_t cybsp_init(void)
|
|
{
|
|
/* Setup hardware manager to track resource usage then initialize all system (clock/power) board configuration */
|
|
#if defined(CY_USING_HAL)
|
|
cy_rslt_t result = cyhal_hwmgr_init();
|
|
|
|
if (CY_RSLT_SUCCESS == result)
|
|
{
|
|
result = cyhal_syspm_init();
|
|
}
|
|
#else
|
|
cy_rslt_t result = CY_RSLT_SUCCESS;
|
|
#endif
|
|
|
|
#if defined(COMPONENT_BSP_DESIGN_MODUS) || defined(COMPONENT_CUSTOM_DESIGN_MODUS)
|
|
init_cycfg_all();
|
|
#endif
|
|
|
|
if (CY_RSLT_SUCCESS == result)
|
|
{
|
|
result = cybsp_register_sysclk_pm_callback();
|
|
}
|
|
|
|
#if !defined(CY_CFG_PWR_SYS_IDLE_MODE)
|
|
#ifdef __MBED__
|
|
/* Disable deep-sleep. */
|
|
sleep_manager_lock_deep_sleep();
|
|
#else
|
|
cyhal_syspm_lock_deepsleep();
|
|
#endif
|
|
#endif
|
|
|
|
/* Reserve clock dividers used by NP. */
|
|
cyhal_clock_divider_t clock1;
|
|
cyhal_hwmgr_allocate_clock(&clock1, CY_SYSCLK_DIV_16_BIT, true);
|
|
cyhal_clock_divider_t clock2;
|
|
cyhal_hwmgr_allocate_clock(&clock2, CY_SYSCLK_DIV_16_BIT, true);
|
|
|
|
/* CYHAL_HWMGR_RSLT_ERR_INUSE error code could be returned if any needed for BSP resource was reserved by
|
|
* user previously. Please review the Device Configurator (design.modus) and the BSP reservation list
|
|
* (cyreservedresources.list) to make sure no resources are reserved by both.
|
|
*/
|
|
return result;
|
|
}
|
|
|
|
#if defined(__cplusplus)
|
|
}
|
|
#endif
|